OpenCores

/memchr_ca.S

0,0 → 1,153

memchr_ca.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: configure =================================================================== --- configure (nonexistent) +++ configure (revision 345) @@ -0,0 +1,4991 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.63 for newlib 1.18.0. +# +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, +# 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## --------------------- ## +## M4sh Initialization. ## +## --------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in + *posix*) set -o posix ;; +esac + +fi + + + + +# PATH needs CR +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +if (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\$.*\$"' + as_echo_n_body='eval + arg=$1; + case $arg in + *"$as_nl"*) + expr "X$arg" : "X\$.*\$$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\$.*\$"`;; + esac; + expr "X$arg" : "X\$.*\$" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + +# Support unset when possible. +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + as_unset=unset +else + as_unset=false +fi + + +# IFS +# We need space, tab and new line, in precisely that order. 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Don't cache a + # value for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + INSTALL=$ac_install_sh + fi +fi +{ $as_echo "$as_me:$LINENO: result: $INSTALL" >&5 +$as_echo "$INSTALL" >&6; } + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +{ $as_echo "$as_me:$LINENO: checking whether build environment is sane" >&5 +$as_echo_n "checking whether build environment is sane... " >&6; } +# Just in case +sleep 1 +echo timestamp > conftest.file +# Reject unsafe characters in $srcdir or the absolute working directory +# name. Accept space and tab only in the latter. +am_lf=' +' +case `pwd` in + *[\\\"\#\$\&\'\`$am_lf]*) + { { $as_echo "$as_me:$LINENO: error: unsafe absolute working directory name" >&5 +$as_echo "$as_me: error: unsafe absolute working directory name" >&2;} + { (exit 1); exit 1; }; };; +esac +case $srcdir in + *[\\\"\#\$\&\'\`$am_lf\ \ ]*) + { { $as_echo "$as_me:$LINENO: error: unsafe srcdir value: \`$srcdir'" >&5 +$as_echo "$as_me: error: unsafe srcdir value: \`$srcdir'" >&2;} + { (exit 1); exit 1; }; };; +esac + +# Do `set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` + if test "$*" = "X"; then + # -L didn't work. + set X `ls -t "$srcdir/configure" conftest.file` + fi + rm -f conftest.file + if test "$*" != "X $srcdir/configure conftest.file" \ + && test "$*" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + { { $as_echo "$as_me:$LINENO: error: ls -t appears to fail. Make sure there is not a broken +alias in your environment" >&5 +$as_echo "$as_me: error: ls -t appears to fail. Make sure there is not a broken +alias in your environment" >&2;} + { (exit 1); exit 1; }; } + fi + + test "$2" = conftest.file + ) +then + # Ok. + : +else + { { $as_echo "$as_me:$LINENO: error: newly created file is older than distributed files! +Check your system clock" >&5 +$as_echo "$as_me: error: newly created file is older than distributed files! +Check your system clock" >&2;} + { (exit 1); exit 1; }; } +fi +{ $as_echo "$as_me:$LINENO: result: yes" >&5 +$as_echo "yes" >&6; } +test "$program_prefix" != NONE && + program_transform_name="s&^&$program_prefix&;$program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s&\$&$program_suffix&;$program_transform_name" +# Double any \ or $. +# By default was `s,x,x', remove it if useless. +ac_script='s/[\\$]/&&/g;s/;s,x,x,$//' +program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"` + +# expand $ac_aux_dir to an absolute path +am_aux_dir=`cd $ac_aux_dir && pwd` + +if test x"${MISSING+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;; + *) + MISSING="\${SHELL} $am_aux_dir/missing" ;; + esac +fi +# Use eval to expand $SHELL +if eval "$MISSING --run true"; then + am_missing_run="$MISSING --run " +else + am_missing_run= + { $as_echo "$as_me:$LINENO: WARNING: \`missing' script is too old or missing" >&5 +$as_echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;} +fi + +if test x"${install_sh}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;; + *) + install_sh="\${SHELL} $am_aux_dir/install-sh" + esac +fi + +# Installed binaries are usually stripped using `strip' when the user +# run `make install-strip'. However `strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the `STRIP' environment variable to overrule this program. +if test "$cross_compiling" != no; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_STRIP+set}" = set; then + $as_echo_n "(cached) " >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { $as_echo "$as_me:$LINENO: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } +else + { $as_echo "$as_me:$LINENO: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:$LINENO: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +fi +INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" + +{ $as_echo "$as_me:$LINENO: checking for a thread-safe mkdir -p" >&5 +$as_echo_n "checking for a thread-safe mkdir -p... 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Don't cache a + # value for MKDIR_P within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + test -d ./--version && rmdir ./--version + MKDIR_P="$ac_install_sh -d" + fi +fi +{ $as_echo "$as_me:$LINENO: result: $MKDIR_P" >&5 +$as_echo "$MKDIR_P" >&6; } + +mkdir_p="$MKDIR_P" +case $mkdir_p in + [\\/$]* | ?:[\\/]*) ;; + */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;; +esac + +for ac_prog in gawk mawk nawk awk +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... 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then + AMDEP_TRUE= + AMDEP_FALSE='#' +else + AMDEP_TRUE='#' + AMDEP_FALSE= +fi + + + +# Check whether --enable-multilib was given. +if test "${enable_multilib+set}" = set; then + enableval=$enable_multilib; case "${enableval}" in + yes) multilib=yes ;; + no) multilib=no ;; + *) { { $as_echo "$as_me:$LINENO: error: bad value ${enableval} for multilib option" >&5 +$as_echo "$as_me: error: bad value ${enableval} for multilib option" >&2;} + { (exit 1); exit 1; }; } ;; + esac +else + multilib=yes +fi + +# Check whether --enable-target-optspace was given. +if test "${enable_target_optspace+set}" = set; then + enableval=$enable_target_optspace; case "${enableval}" in + yes) target_optspace=yes ;; + no) target_optspace=no ;; + *) { { $as_echo "$as_me:$LINENO: error: bad value ${enableval} for target-optspace option" >&5 +$as_echo "$as_me: error: bad value ${enableval} for target-optspace option" >&2;} + { (exit 1); exit 1; }; } ;; + esac +else + target_optspace= +fi + +# Check whether --enable-malloc-debugging was given. +if test "${enable_malloc_debugging+set}" = set; then + enableval=$enable_malloc_debugging; case "${enableval}" in + yes) malloc_debugging=yes ;; + no) malloc_debugging=no ;; + *) { { $as_echo "$as_me:$LINENO: error: bad value ${enableval} for malloc-debugging option" >&5 +$as_echo "$as_me: error: bad value ${enableval} for malloc-debugging option" >&2;} + { (exit 1); exit 1; }; } ;; + esac +else + malloc_debugging= +fi + +# Check whether --enable-newlib-multithread was given. +if test "${enable_newlib_multithread+set}" = set; then + enableval=$enable_newlib_multithread; case "${enableval}" in + yes) newlib_multithread=yes ;; + no) newlib_multithread=no ;; + *) { { $as_echo "$as_me:$LINENO: error: bad value ${enableval} for newlib-multithread option" >&5 +$as_echo "$as_me: error: bad value ${enableval} for newlib-multithread option" >&2;} + { (exit 1); exit 1; }; } ;; + esac +else + newlib_multithread=yes +fi + +# Check whether --enable-newlib-iconv was given. +if test "${enable_newlib_iconv+set}" = set; then + enableval=$enable_newlib_iconv; if test "${newlib_iconv+set}" != set; then + case "${enableval}" in + yes) newlib_iconv=yes ;; + no) newlib_iconv=no ;; + *) { { $as_echo "$as_me:$LINENO: error: bad value ${enableval} for newlib-iconv option" >&5 +$as_echo "$as_me: error: bad value ${enableval} for newlib-iconv option" >&2;} + { (exit 1); exit 1; }; } ;; + esac + fi +else + newlib_iconv=${newlib_iconv} +fi + +# Check whether --enable-newlib-elix-level was given. +if test "${enable_newlib_elix_level+set}" = set; then + enableval=$enable_newlib_elix_level; case "${enableval}" in + 0) newlib_elix_level=0 ;; + 1) newlib_elix_level=1 ;; + 2) newlib_elix_level=2 ;; + 3) newlib_elix_level=3 ;; + 4) newlib_elix_level=4 ;; + *) { { $as_echo "$as_me:$LINENO: error: bad value ${enableval} for newlib-elix-level option" >&5 +$as_echo "$as_me: error: bad value ${enableval} for newlib-elix-level option" >&2;} + { (exit 1); exit 1; }; } ;; + esac +else + newlib_elix_level=0 +fi + +# Check whether --enable-newlib-io-float was given. +if test "${enable_newlib_io_float+set}" = set; then + enableval=$enable_newlib_io_float; case "${enableval}" in + yes) newlib_io_float=yes ;; + no) newlib_io_float=no ;; + *) { { $as_echo "$as_me:$LINENO: error: bad value ${enableval} for newlib-io-float option" >&5 +$as_echo "$as_me: error: bad value ${enableval} for newlib-io-float option" >&2;} + { (exit 1); exit 1; }; } ;; + esac +else + newlib_io_float=yes +fi + +# Check whether --enable-newlib-supplied-syscalls was given. +if test "${enable_newlib_supplied_syscalls+set}" = set; then + enableval=$enable_newlib_supplied_syscalls; case "${enableval}" in + yes) newlib_may_supply_syscalls=yes ;; + no) newlib_may_supply_syscalls=no ;; + *) { { $as_echo "$as_me:$LINENO: error: bad value ${enableval} for newlib-supplied-syscalls option" >&5 +$as_echo "$as_me: error: bad value ${enableval} for newlib-supplied-syscalls option" >&2;} + { (exit 1); exit 1; }; } ;; + esac +else + newlib_may_supply_syscalls=yes +fi + + if test x${newlib_may_supply_syscalls} = xyes; then + MAY_SUPPLY_SYSCALLS_TRUE= + MAY_SUPPLY_SYSCALLS_FALSE='#' +else + MAY_SUPPLY_SYSCALLS_TRUE='#' + MAY_SUPPLY_SYSCALLS_FALSE= +fi + + + +test -z "${with_target_subdir}" && with_target_subdir=. + +if test "${srcdir}" = "."; then + if test "${with_target_subdir}" != "."; then + newlib_basedir="${srcdir}/${with_multisrctop}../../../.." + else + newlib_basedir="${srcdir}/${with_multisrctop}../../.." + fi +else + newlib_basedir="${srcdir}/../../.." +fi + + +{ $as_echo "$as_me:$LINENO: checking host system type" >&5 +$as_echo_n "checking host system type... " >&6; } +if test "${ac_cv_host+set}" = set; then + $as_echo_n "(cached) " >&6 +else + if test "x$host_alias" = x; then + ac_cv_host=$ac_cv_build +else + ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` || + { { $as_echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&5 +$as_echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&2;} + { (exit 1); exit 1; }; } +fi + +fi +{ $as_echo "$as_me:$LINENO: result: $ac_cv_host" >&5 +$as_echo "$ac_cv_host" >&6; } +case $ac_cv_host in +*-*-*) ;; +*) { { $as_echo "$as_me:$LINENO: error: invalid value of canonical host" >&5 +$as_echo "$as_me: error: invalid value of canonical host" >&2;} + { (exit 1); exit 1; }; };; +esac +host=$ac_cv_host +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_host +shift +host_cpu=$1 +host_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +host_os=$* +IFS=$ac_save_IFS +case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac + + + +if test "`cd $srcdir && pwd`" != "`pwd`"; then + # Use -I$(srcdir) only when $(srcdir) != ., so that make's output + # is not polluted with repeated "-I." + am__isrc=' -I$(srcdir)' + # test to see if srcdir already configured + if test -f $srcdir/config.status; then + { { $as_echo "$as_me:$LINENO: error: source directory already configured; run \"make distclean\" there first" >&5 +$as_echo "$as_me: error: source directory already configured; run \"make distclean\" there first" >&2;} + { (exit 1); exit 1; }; } + fi +fi + +# test whether we have cygpath +if test -z "$CYGPATH_W"; then + if (cygpath --version) >/dev/null 2>/dev/null; then + CYGPATH_W='cygpath -w' + else + CYGPATH_W=echo + fi +fi + + +# Define the identity of the package. + PACKAGE='newlib' + VERSION='1.18.0' + + +# Some tools Automake needs. + +ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"} + + +AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"} + + +AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"} + + +AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"} + + +MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"} + +# We need awk for the "check" target. The system "awk" is bad on +# some platforms. +# Always define AMTAR for backward compatibility. + +AMTAR=${AMTAR-"${am_missing_run}tar"} + +am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -' + + + + + + +# FIXME: We temporarily define our own version of AC_PROG_CC. This is +# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We +# are probably using a cross compiler, which will not be able to fully +# link an executable. This should really be fixed in autoconf +# itself. + + + + + + + +# Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="gcc" + $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:$LINENO: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:$LINENO: result: no" >&5 +$as_echo "no" >&6; } +fi + + + +depcc="$CC" am_compiler_list= + +{ $as_echo "$as_me:$LINENO: checking dependency style of $depcc" >&5 +$as_echo_n "checking dependency style of $depcc... " >&6; } +if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then + $as_echo_n "(cached) " >&6 +else + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named `D' -- because `-MD' means `put the output + # in D'. + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*$[a-zA-Z0-9]*$)$/\1/p' < ./depcomp` + fi + am__universal=false + case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac + + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with + # Solaris 8's {/usr,}/bin/sh. + touch sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + # We check with `-c' and `-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle `-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" + case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; + nosideeffect) + # after this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + msvisualcpp | msvcmsys) + # This compiler won't grok `-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; + none) break ;; + esac + if depmode=$depmode \ + source=sub/conftest.c object=$am__obj \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +{ $as_echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5 +$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; } +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_CC+set}" = set; then + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:$LINENO: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:$LINENO: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -z "$CC" && { { $as_echo "$as_me:$LINENO: error: no acceptable cc found in \$PATH" >&5 +$as_echo "$as_me: error: no acceptable cc found in \$PATH" >&2;} + { (exit 1); exit 1; }; } +fi + +{ $as_echo "$as_me:$LINENO: checking whether we are using GNU C" >&5 +$as_echo_n "checking whether we are using GNU C... " >&6; } +if test "${ac_cv_c_compiler_gnu+set}" = set; then + $as_echo_n "(cached) " >&6 +else + cat > conftest.c <&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } | egrep yes >/dev/null 2>&1; then + ac_cv_c_compiler_gnu=yes +else + ac_cv_c_compiler_gnu=no +fi +fi +{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } + +if test $ac_cv_c_compiler_gnu = yes; then + GCC=yes + ac_test_CFLAGS="${CFLAGS+set}" + ac_save_CFLAGS="$CFLAGS" + ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if test "${ac_cv_prog_cc_g+set}" = set; then + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\"" +$as_echo "$ac_try_echo") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_cv_prog_cc_g=yes +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + CFLAGS="" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\"" +$as_echo "$ac_try_echo") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + : +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\"" +$as_echo "$ac_try_echo") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_cv_prog_cc_g=yes +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi + if test "$ac_test_CFLAGS" = set; then + CFLAGS="$ac_save_CFLAGS" + elif test $ac_cv_prog_cc_g = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-O2" + fi +else + GCC= + test "${CFLAGS+set}" = set || CFLAGS="-g" +fi + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args. +set dummy ${ac_tool_prefix}as; ac_word=$2 +{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_AS+set}" = set; then + $as_echo_n "(cached) " >&6 +else + if test -n "$AS"; then + ac_cv_prog_AS="$AS" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_AS="${ac_tool_prefix}as" + $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +AS=$ac_cv_prog_AS +if test -n "$AS"; then + { $as_echo "$as_me:$LINENO: result: $AS" >&5 +$as_echo "$AS" >&6; } +else + { $as_echo "$as_me:$LINENO: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_AS"; then + ac_ct_AS=$AS + # Extract the first word of "as", so it can be a program name with args. +set dummy as; ac_word=$2 +{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_AS+set}" = set; then + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_AS"; then + ac_cv_prog_ac_ct_AS="$ac_ct_AS" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_AS="as" + $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +ac_ct_AS=$ac_cv_prog_ac_ct_AS +if test -n "$ac_ct_AS"; then + { $as_echo "$as_me:$LINENO: result: $ac_ct_AS" >&5 +$as_echo "$ac_ct_AS" >&6; } +else + { $as_echo "$as_me:$LINENO: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_AS" = x; then + AS="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + AS=$ac_ct_AS + fi +else + AS="$ac_cv_prog_AS" +fi + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args. +set dummy ${ac_tool_prefix}ar; ac_word=$2 +{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_AR+set}" = set; then + $as_echo_n "(cached) " >&6 +else + if test -n "$AR"; then + ac_cv_prog_AR="$AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_AR="${ac_tool_prefix}ar" + $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +AR=$ac_cv_prog_AR +if test -n "$AR"; then + { $as_echo "$as_me:$LINENO: result: $AR" >&5 +$as_echo "$AR" >&6; } +else + { $as_echo "$as_me:$LINENO: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_AR"; then + ac_ct_AR=$AR + # Extract the first word of "ar", so it can be a program name with args. +set dummy ar; ac_word=$2 +{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_AR+set}" = set; then + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_AR"; then + ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_AR="ar" + $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +ac_ct_AR=$ac_cv_prog_ac_ct_AR +if test -n "$ac_ct_AR"; then + { $as_echo "$as_me:$LINENO: result: $ac_ct_AR" >&5 +$as_echo "$ac_ct_AR" >&6; } +else + { $as_echo "$as_me:$LINENO: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_AR" = x; then + AR="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + AR=$ac_ct_AR + fi +else + AR="$ac_cv_prog_AR" +fi + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_RANLIB+set}" = set; then + $as_echo_n "(cached) " >&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + { $as_echo "$as_me:$LINENO: result: $RANLIB" >&5 +$as_echo "$RANLIB" >&6; } +else + { $as_echo "$as_me:$LINENO: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + { $as_echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5 +$as_echo "$ac_ct_RANLIB" >&6; } +else + { $as_echo "$as_me:$LINENO: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$ac_ct_RANLIB + fi +else + RANLIB="$ac_cv_prog_RANLIB" +fi + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}readelf", so it can be a program name with args. +set dummy ${ac_tool_prefix}readelf; ac_word=$2 +{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_READELF+set}" = set; then + $as_echo_n "(cached) " >&6 +else + if test -n "$READELF"; then + ac_cv_prog_READELF="$READELF" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_READELF="${ac_tool_prefix}readelf" + $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +READELF=$ac_cv_prog_READELF +if test -n "$READELF"; then + { $as_echo "$as_me:$LINENO: result: $READELF" >&5 +$as_echo "$READELF" >&6; } +else + { $as_echo "$as_me:$LINENO: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_READELF"; then + ac_ct_READELF=$READELF + # Extract the first word of "readelf", so it can be a program name with args. +set dummy readelf; ac_word=$2 +{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if test "${ac_cv_prog_ac_ct_READELF+set}" = set; then + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_READELF"; then + ac_cv_prog_ac_ct_READELF="$ac_ct_READELF" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_READELF="readelf" + $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +ac_ct_READELF=$ac_cv_prog_ac_ct_READELF +if test -n "$ac_ct_READELF"; then + { $as_echo "$as_me:$LINENO: result: $ac_ct_READELF" >&5 +$as_echo "$ac_ct_READELF" >&6; } +else + { $as_echo "$as_me:$LINENO: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_READELF" = x; then + READELF=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:$LINENO: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + READELF=$ac_ct_READELF + fi +else + READELF="$ac_cv_prog_READELF" +fi + + +# Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +# Reject install programs that cannot install multiple files. +{ $as_echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5 +$as_echo_n "checking for a BSD-compatible install... " >&6; } +if test -z "$INSTALL"; then +if test "${ac_cv_path_install+set}" = set; then + $as_echo_n "(cached) " >&6 +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + # Account for people who put trailing slashes in PATH elements. +case $as_dir/ in + ./ | .// | /cC/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then + if test $ac_prog = install && + grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + rm -rf conftest.one conftest.two conftest.dir + echo one > conftest.one + echo two > conftest.two + mkdir conftest.dir + if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" && + test -s conftest.one && test -s conftest.two && + test -s conftest.dir/conftest.one && + test -s conftest.dir/conftest.two + then + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + fi + done + done + ;; +esac + +done +IFS=$as_save_IFS + +rm -rf conftest.one conftest.two conftest.dir + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. Don't cache a + # value for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + INSTALL=$ac_install_sh + fi +fi +{ $as_echo "$as_me:$LINENO: result: $INSTALL" >&5 +$as_echo "$INSTALL" >&6; } + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + + +# Hack to ensure that INSTALL won't be set to "../" with autoconf 2.13. */ +ac_given_INSTALL=$INSTALL + + +{ $as_echo "$as_me:$LINENO: checking whether to enable maintainer-specific portions of Makefiles" >&5 +$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; } + # Check whether --enable-maintainer-mode was given. +if test "${enable_maintainer_mode+set}" = set; then + enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval +else + USE_MAINTAINER_MODE=no +fi + + { $as_echo "$as_me:$LINENO: result: $USE_MAINTAINER_MODE" >&5 +$as_echo "$USE_MAINTAINER_MODE" >&6; } + if test $USE_MAINTAINER_MODE = yes; then + MAINTAINER_MODE_TRUE= + MAINTAINER_MODE_FALSE='#' +else + MAINTAINER_MODE_TRUE='#' + MAINTAINER_MODE_FALSE= +fi + + MAINT=$MAINTAINER_MODE_TRUE + + +# By default we simply use the C compiler to build assembly code. + +test "${CCAS+set}" = set || CCAS=$CC +test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS + + + + +# We need AC_EXEEXT to keep automake happy in cygnus mode. However, +# at least currently, we never actually build a program, so we never +# need to use $(EXEEXT). Moreover, the test for EXEEXT normally +# fails, because we are probably configuring with a cross compiler +# which can't create executables. So we include AC_EXEEXT to keep +# automake happy, but we don't execute it, since we don't care about +# the result. +if false; then + + dummy_var=1 +fi + +. ${newlib_basedir}/configure.host + +newlib_cflags="${newlib_cflags} -fno-builtin" + +NEWLIB_CFLAGS=${newlib_cflags} + + +LDFLAGS=${ldflags} + + + if test x${newlib_elix_level} = x0; then + ELIX_LEVEL_0_TRUE= + ELIX_LEVEL_0_FALSE='#' +else + ELIX_LEVEL_0_TRUE='#' + ELIX_LEVEL_0_FALSE= +fi + + if test x${newlib_elix_level} = x1; then + ELIX_LEVEL_1_TRUE= + ELIX_LEVEL_1_FALSE='#' +else + ELIX_LEVEL_1_TRUE='#' + ELIX_LEVEL_1_FALSE= +fi + + if test x${newlib_elix_level} = x2; then + ELIX_LEVEL_2_TRUE= + ELIX_LEVEL_2_FALSE='#' +else + ELIX_LEVEL_2_TRUE='#' + ELIX_LEVEL_2_FALSE= +fi + + if test x${newlib_elix_level} = x3; then + ELIX_LEVEL_3_TRUE= + ELIX_LEVEL_3_FALSE='#' +else + ELIX_LEVEL_3_TRUE='#' + ELIX_LEVEL_3_FALSE= +fi + + if test x${newlib_elix_level} = x4; then + ELIX_LEVEL_4_TRUE= + ELIX_LEVEL_4_FALSE='#' +else + ELIX_LEVEL_4_TRUE='#' + ELIX_LEVEL_4_FALSE= +fi + + + if test x${use_libtool} = xyes; then + USE_LIBTOOL_TRUE= + USE_LIBTOOL_FALSE='#' +else + USE_LIBTOOL_TRUE='#' + USE_LIBTOOL_FALSE= +fi + + +# Hard-code OBJEXT. Normally it is set by AC_OBJEXT, but we +# use oext, which is set in configure.host based on the target platform. +OBJEXT=${oext} + + + + + + + + + + + +ac_config_files="$ac_config_files Makefile" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^$[a-zA-Z_][a-zA-Z0-9_]*$=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) $as_unset $ac_var ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes (double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \). + sed -n \ + "s/'/'\\\\''/g; + s/^\$[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\$=\$.*\$/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^$[^=]*$=$.*[{}].*$$/test "${\1+set}" = set || &/ + t end + s/^$[^=]*$=$.*$$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + test "x$cache_file" != "x/dev/null" && + { $as_echo "$as_me:$LINENO: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + cat confcache >$cache_file + else + { $as_echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +# Transform confdefs.h into DEFS. +# Protect against shell expansion while executing Makefile rules. +# Protect against Makefile macro expansion. +# +# If the first sed substitution is executed (which looks for macros that +# take arguments), then branch to the quote section. Otherwise, +# look for a macro that doesn't take arguments. +ac_script=' +:mline +/\\$/{ + N + s,\\\n,, + b mline +} +t clear +:clear +s/^[ ]*#[ ]*define[ ][ ]*$[^ (][^ (]*([^)]*)$[ ]*$.*$/-D\1=\2/g +t quote +s/^[ ]*#[ ]*define[ ][ ]*$[^ ][^ ]*$[ ]*$.*$/-D\1=\2/g +t quote +b any +:quote +s/[ `~#$^&*(){}\\|;'\''"<>?]/\\&/g +s/\[/\\&/g +s/\]/\\&/g +s/\$/$$/g +H +:any +${ + g + s/^\n// + s/\n/ /g + p +} +' +DEFS=`sed -n "$ac_script" confdefs.h` + + +ac_libobjs= +ac_ltlibobjs= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. 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Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= + trap 'exit_status=$? + { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status +' 0 + trap '{ (exit 1); exit 1; }' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -n "$tmp" && test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || +{ + $as_echo "$as_me: cannot create a temporary directory in ." >&2 + { (exit 1); exit 1; } +} + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=' +' +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5 +$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;} + { (exit 1); exit 1; }; } +ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5 +$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;} + { (exit 1); exit 1; }; } + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5 +$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;} + { (exit 1); exit 1; }; } + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! 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configure Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: strncat_ca.S =================================================================== --- strncat_ca.S (nonexistent) +++ strncat_ca.S (revision 345) @@ -0,0 +1,300 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "sncat_ca.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ + +/* + procedure strncat (optimized assembler version for the CA) + + dest_addr = strncat (dest_addr, src_addr, max_bytes) + + append the null terminated string pointed to by src_addr to the null + terminated string pointed to by dest_addr. Return the original + dest_addr. If the source string is longer than max_bytes, then + append only max_bytes bytes, and tack on a null byte on the end + + This routine will fail if the source and destination string + overlap (in particular, if the end of the source is overlapped + by the beginning of the destination). The behavior is undefined. + This is acceptable according to the draft C standard. + + Undefined behavior will also occur if the end of the source string + (i.e. the terminating null byte) is in the last word of the program's + allocated memory space. This is so because, in several cases, strncat + will fetch ahead one word. Disallowing the fetch ahead would impose + a severe performance penalty. + + This program handles five cases: + + 1) both arguments start on a word boundary + 2) neither are word aligned, but they are offset by the same amount + 3) source is word aligned, destination is not + 4) destination is word aligned, source is not + 5) neither is word aligned, and they are offset by differing amounts + + At the time of this writing, only g0 thru g7 and g13 are available + for use in this leafproc; other registers would have to be saved and + restored. These nine registers, plus tricky use of g14 are sufficient + to implement the routine. The registers are used as follows: + + g0 original dest ptr; not modified, so that it may be returned. + g1 src ptr; shift count + g2 max_bytes + g3 src ptr (word aligned) + g4 dest ptr (word aligned) + g5 0xff -- byte extraction mask + Little endian: + g6 lsw of double word for extraction of 4 bytes + g7 msw of double word for extraction of 4 bytes + Big endian: + g6 msw of double word for extraction of 4 bytes + g7 lsw of double word for extraction of 4 bytes + g13 return address + g14 byte extracted. +*/ + +#if __i960_BIG_ENDIAN__ +#define MSW g6 +#define LSW g7 +#else +#define LSW g6 +#define MSW g7 +#endif + + .globl _strncat + .globl __strncat + .leafproc _strncat, __strncat + .align 2 +_strncat: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__strncat: + notand g0,3,g4 # extract word addr of start of dest + lda (g14),g13 # preserve return address + cmpibge.f 0,g2,Lexit_code # Lexit if number of bytes to move is <= zero. + and g0,3,LSW # extract byte offset of dest + ld (g4),MSW # fetch word containing at least first byte + shlo 3,LSW,g14 # get shift count for making mask for first word + subi 1,0,LSW # mask initially all ones +#if __i960_BIG_ENDIAN__ + shro g14,LSW,LSW # get mask for bytes needed from first word +#else + shlo g14,LSW,LSW # get mask for bytes needed from first word +#endif + notor MSW,LSW,MSW # set unneeded bytes to all ones + lda 0xff,g5 # byte extraction mask +Lsearch_for_word_with_null: + scanbyte 0,MSW # check for null byte + lda 4(g4),g4 # post-increment dest word pointer + mov MSW,LSW # keep a copy of current word + ld (g4),MSW # fetch next word of dest + bno.t Lsearch_for_word_with_null # branch if null not found yet +#if __i960_BIG_ENDIAN__ + shro 24,LSW,g14 # extract byte +#else + and g5,LSW,g14 # extract byte +#endif + cmpo 0,g14 # branch if null is first byte of word + subo 4,g4,g4 # move dest word ptr to word with null + notand g1,3,g3 # extract word addr of start of src + bne.t Lsearch_for_null + +Lcase_14: + cmpo g1,g3 # check alignment of source + ld (g3),LSW # fetch first word of source + shlo 3,g1,g14 # compute shift count + lda 4(g3),g3 # post-increment src addr + bne.f Lcase_4 # branch if source is unaligned +Lcase_1: +Lcase_1_wloop: # word copying loop + cmpi g2,4 # check for fewer than four bytes to move + lda (LSW),g1 # keep a copy of the src word + bl.f Lcase_1_cloop # branch if fewer than four bytes to copy + scanbyte 0,g1 # check for null byte in src word + ld (g3),LSW # pre-fetch next word of src + addo 4,g3,g3 # post-increment src addr + bo.f Lcase_1_cloop # branch if word contains null byte + subi 4,g2,g2 # decrease max_byte count by the 4 bytes moved + st g1,(g4) # store word in dest string + addo 4,g4,g4 # post-increment dest addr + b Lcase_1_wloop + +Lcase_3_cloop: +Lcase_1_cloop: # character copying loop (max_bytes <= 3) + cmpdeci 0,g2,g2 # is max_bytes exhausted? +#if __i960_BIG_ENDIAN__ + rotate 8,g1,g1 # move next byte into position for extraction +#endif + and g5,g1,g14 # extract next char + be.f Lstore_null # if max_bytes is exhausted, store null and quit + cmpo 0,g14 # check for null byte + stob g14,(g4) # store the byte in dest +#if ! __i960_BIG_ENDIAN__ + shro 8,g1,g1 # move next byte into position for extraction +#endif + lda 1(g4),g4 # post-increment dest byte addr + bne.t Lcase_1_cloop # branch if null not reached + bx (g13) # Lexit (g14 == 0) + +Lstore_null: + mov 0,g14 # store null, and set g14 to zero + stob g14,(g4) + bx (g13) + + +Lsearch_for_null: +#if __i960_BIG_ENDIAN__ + shlo 8,LSW,LSW # check next byte + shro 24,LSW,g14 +#else + shlo 8,g5,g5 # move mask up to next byte + and g5,LSW,g14 # extract byte +#endif + lda 1(g4),g4 # move dest byte ptr to next byte + cmpobne.t 0,g14,Lsearch_for_null # branch if null is not yet found + +Lcase_235: + cmpo g1,g3 # check alignment of src + ld (g3),LSW # pre-fetch word with start of src + and 3,g1,g1 # compute shift count + lda 0xff,g5 # load mask for byte extraction + shlo 3,g1,g14 + lda 4(g3),g3 # post-increment src word counter + be.t Lcase_3 # branch if src is word aligned + and g4,3,MSW # extract byte offset for dest string + cmpo MSW,g1 # < indicates first word of dest has more bytes + /* than first word of source. */ + ld (g3),MSW # fetch second word of src +#if __i960_BIG_ENDIAN__ + subo g14,0,g14 # adjust shift count for big endian +#endif + eshro g14,g6,g5 # extract four bytes +#if __i960_BIG_ENDIAN__ + bge.f 1f +#else + bg.f 1f +#endif + mov MSW,LSW + lda 4(g3),g3 # move src word addr to second word boundary +1: + mov g5,MSW + lda 0xff,g5 + b Lcase_25 + +Lcase_3: # src is word aligned; dest is not + mov LSW,MSW # make copy of first word of src + lda 32,g14 # initialize shift count to zero (mod 32) +Lcase_25: + +Lcase_3_cloop_at_start: # character copying loop for start of dest str + cmpdeci 0,g2,g2 # is max_bytes exhausted? +#if __i960_BIG_ENDIAN__ + shro 24,MSW,g5 # extract next char +#else + and g5,MSW,g5 # extract next char +#endif + be.f Lstore_null # Lexit if max_bytes is exhausted + cmpo 0,g5 # check for null byte + stob g5,(g4) # store the byte in dest + addo 1,g4,g4 # post-increment dest ptr + lda 0xff,g5 # re-initialize byte extraction mask + notand g4,3,g1 # extract word address + be.t Lexit_code # Lexit if null byte reached + cmpo g1,g4 # have we reached word boundary in dest yet? +#if __i960_BIG_ENDIAN__ + lda -8(g14),g14 # augment the shift counter + rotate 8,MSW,MSW # move next byte into position for extraction +#else + lda 8(g14),g14 # augment the shift counter + shro 8,MSW,MSW # move next byte into position for extraction +#endif + bne.t Lcase_3_cloop_at_start # branch if reached word boundary? + +#if __i960_BIG_ENDIAN__ + cmpo 0,g14 + ld (g3),MSW # fetch msw of operand for double shift + bne Lcase_3_wloop # branch if src is still unaligned. + +Lcase_3_wloop2: + cmpi g2,4 # less than four bytes to move? + mov LSW,g1 # extract 4 bytes of src + lda 4(g3),g3 # post-increment src word addr + bl.f Lcase_3_cloop # branch if < four bytes left to move + scanbyte 0,g1 # check for null byte + mov MSW,LSW # move msw to lsw + ld (g3),MSW # pre-fetch msw of operand for double shift + bo.f Lcase_3_cloop # branch if word contains null byte + subi 4,g2,g2 # decrease max_byte count by the 4 bytes moved + st g1,(g4) # store 4 bytes to dest + addo 4,g4,g4 # post-increment dest ptr + b Lcase_3_wloop2 +Lcase_4: + subo g14,0,g14 # adjust shift count for big endian +#else +Lcase_4: +#endif + + ld (g3),MSW # fetch msw of operand for double shift + +Lcase_3_wloop: + cmpi g2,4 # less than four bytes to move? + eshro g14,g6,g1 # extract 4 bytes of src + lda 4(g3),g3 # post-increment src word addr + bl.f Lcase_3_cloop # branch if < four bytes left to move + scanbyte 0,g1 # check for null byte + mov MSW,LSW # move msw to lsw + ld (g3),MSW # pre-fetch msw of operand for double shift + bo.f Lcase_3_cloop # branch if word contains null byte + subi 4,g2,g2 # decrease max_byte count by the 4 bytes moved + st g1,(g4) # store 4 bytes to dest + addo 4,g4,g4 # post-increment dest ptr + b Lcase_3_wloop + + +Lexit_code: + mov 0,g14 # conform to register conventions + bx (g13) # g0 = addr of dest; g14 = 0 +Lrett: + ret + +/* end of strncat */ +

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+ +uninstall-am: + +.MAKE: install-am install-strip + +.PHONY: all all-am am--refresh check check-am clean clean-generic \ + clean-noinstLIBRARIES distclean distclean-compile \ + distclean-generic dvi dvi-am html html-am info info-am install \ + install-am install-data install-data-am install-dvi \ + install-dvi-am install-exec install-exec-am install-html \ + install-html-am install-info install-info-am install-man \ + install-pdf install-pdf-am install-ps install-ps-am \ + install-strip installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic pdf pdf-am ps ps-am \ + uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: Index: memcmp_ca.S =================================================================== --- memcmp_ca.S (nonexistent) +++ memcmp_ca.S (revision 345) @@ -0,0 +1,205 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "memcm_ca.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1992,1993 Intel Corp., all rights reserved + */ + +/* + procedure memcmp (optimized assembler version for the CA) + + result = memcmp (src1_addr, src2_addr, max_bytes) + + compare the byte array pointed to by src1_addr to the byte array + pointed to by src2_addr. Return 0 iff the arrays are equal, -1 if + src1_addr is lexicly less than src2_addr, and 1 if it is lexicly + greater. Do not compare more than max_bytes bytes. + + Undefined behavior will occur if the end of either source array + is in the last word of the program's allocated memory space. This + is so because, in several cases, memcmp will fetch ahead one word. + Disallowing the fetch ahead would impose a severe performance penalty. + + This program handles five cases: + + 1) both arguments start on a word boundary + 2) neither are word aligned, but they are offset by the same amount + 3) source1 is word aligned, source2 is not + 4) source2 is word aligned, source1 is not + 5) neither is word aligned, and they are offset by differing amounts + + At the time of this writing, only g0 thru g7 and g14 are available + for use in this leafproc; other registers would have to be saved and + restored. These nine registers are sufficient to implement the routine. + The registers are used as follows: + + g0 original src1 ptr; extracted word; return result + g1 src2 ptr; byt extraction mask + g2 maximum number of bytes to compare + g3 src2 word ptr + Little endian + g4 lsw of src1 + g5 msw of src1 + g6 src2 word + g7 src1 word ptr + Big endian + g4 msw of src1 + g5 lsw of src1 + g6 src1 word ptr + g7 src2 word + g13 return address + g14 shift count +*/ + +#if __i960_BIG_ENDIAN__ +#define MSW g4 +#define LSW g5 +#define SRC1 g6 +#define SRC2 g7 +#else +#define LSW g4 +#define MSW g5 +#define SRC2 g6 +#define SRC1 g7 +#endif + + .globl _memcmp + .globl __memcmp + .leafproc _memcmp, __memcmp + .align 2 +_memcmp: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__memcmp: +Lrestart: +#if __i960_BIG_ENDIAN__ + subo 1,g0,SRC1 + notand SRC1,3,SRC1 # extract word addr of start of src1 +#else + notand g0,3,SRC1 # extract word addr of start of src1 +#endif + lda (g14),g13 # preserve return address + cmpibge.f 0,g2,Lequal_exit # return equality if number bytes 0 + notand g1,3,g3 # extract word addr of start of src2 + ld (SRC1),LSW # fetch word with at least first byte of src1 + cmpo g3,g1 # check alignment of src2 + ld 4(SRC1),MSW # fetch second word of src1 + shlo 3,g0,g14 # compute shift count for src1 +#if __i960_BIG_ENDIAN__ + subo g14,0,g14 # adjust shift count for big endian. +#endif + ld (g3),SRC2 # fetch word with at least first byte of src2 + eshro g14,g4,LSW # extract word of src1 + lda 8(SRC1),SRC1 # advance src1 word addr + bne.f Lsrc2_unaligned # branch if src2 is NOT word aligned + + mov LSW,g0 # at least src2 is word aligned + + lda 0xff,g1 + +Lwloop: # word comparing loop + cmpo SRC2,g0 # compare src1 and src2 words + lda 4(g3),g3 # pre-increment src2 addr + mov MSW,LSW # move msw of src1 to lsw + ld (SRC1),MSW # pre-fetch next msw of src1 + subi 4,g2,g2 # decrement maximum byte count + bne.f Lcloop # branch if src1 and src2 unequal + cmpi 0,g2 + ld (g3),SRC2 # pre-fetch next word of src2 + eshro g14,g4,g0 # extract word of src1 + lda 4(SRC1),SRC1 # post-increment src1 addr + bl.t Lwloop # branch if max_bytes not reached yet + + b Lequal_exit # strings were equal up through max_bytes + +Lcloop_setup: # setup for coming from Lsrc2_unaligned + mov LSW,g0 # restore extracted src1 word + subo 4,g2,g2 # make up for later re-incrementing + lda 0xff,g1 # byte extraction mask + +Lcloop: # character comparing loop +#if __i960_BIG_ENDIAN__ + rotate 24,g1,g1 # shift mask for next byte +#endif + and SRC2,g1,g3 # extract next char of src2 + and g0,g1,LSW # extract next char of src1 + cmpobne.f LSW,g3,.diff # check for equality +#if ! __i960_BIG_ENDIAN__ + shlo 8,g1,g1 # shift mask for next byte +#endif + subi 1,g2,g2 # decrement character counter + b Lcloop # branch if null not reached + + +Lequal_exit: # words are equal up thru null byte + mov 0,g14 # conform to register conventions + lda 0,g0 # return zero, indicating equality + bx (g13) # return +Lrett: + ret + +.diff: + addo 4,g2,g2 # to make up for extra decrement in loop + lda 0,g14 + bl Lless_than_exit +Lgreater_than_exit: + cmpibge.f 0,g2,Lequal_exit # branch if difference is beyond max_bytes + mov 1,g0 + bx (g13) # g0 = 1 (src1 > src2) +Lless_than_exit: + cmpibge.f 0,g2,Lequal_exit # branch if difference is beyond max_bytes + subi 1,0,g0 + bx (g13) # g0 = -1 (src1 < src2) + +Lsrc2_unaligned: + notor g1,3,g14 # first step in computing new src1 ptr + ld 4(g3),SRC1 # fetch second word of src2 + shlo 3,g1,MSW # compute shift count for src2 +#if __i960_BIG_ENDIAN__ + subo MSW,0,MSW +#endif + eshro MSW,g6,SRC2 # extract word of src2 + cmpo LSW,SRC2 # compare src1 and src2 words + lda 4(g3),g1 # set new src2 ptr + bne.f Lcloop_setup # first four bytes differ + subo g14,g0,g0 # second (final) step in computing new src1 ptr + addi g14,g2,g2 # compute new max_bytes too + lda (g13),g14 # prepare return pointer for Lrestart + b Lrestart # continue with both string fetches shifted

memcmp_ca.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strcpy.S =================================================================== --- strcpy.S (nonexistent) +++ strcpy.S (revision 345) @@ -0,0 +1,177 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "strcpy.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ +/* + procedure strcpy (optimized assembler version for the 80960K series) + procedure strcat (optimized assembler version for the 80960K series) + + dest_addr = strcpy (dest_addr, src_addr) + + copy the null terminated string pointed to by src_addr to + the string space pointed to by dest_addr. Return the original + dest_addr. + + This routine will fail if the source and destination string + overlap (in particular, if the end of the source is overlapped + by the beginning of the destination). The behavior is undefined. + This is acceptable according to the draft C standard. + + Undefined behavior will also occur if the end of the source string + (i.e. the terminating null byte) is in the last two words of the + program's allocated memory space. This is so because strcpy fetches + ahead. Disallowing the fetch ahead would impose a severe performance + penalty. + + Strategy: + + Fetch the source string and store the destination string by words + until the null byte is encountered. When the word with the null + byte is reached, store it by bytes up through the null byte only. + + Tactics: + + 1) Do NOT try to fetch and store the words in a word aligned manner + because, in my judgement, the performance degradation experienced due + to non-aligned accesses does NOT outweigh the time and complexity added + by the preamble and convoluted body that would be necessary to assure + alignment. This is supported by the intuition that most source and + destination strings will be word aligned to begin with. + + + procedure strcat + + dest_addr = strcat (dest_addr, src_addr) + + Appends the string pointed to by src_addr to the string pointed + to by dest_addr. The first character of the source string is + copied to the location initially occupied by the trailing null + byte of the destination string. Thereafter, characters are copied + from the source to the destination up thru the null byte that + trails the source string. + + See the strcpy routine, above, for its caveats, as they apply here too. + + Strategy: + + Skip to the end (null byte) of the destination string, and then drop + into the strcpy code. + + Tactics: + + Skipping to the null byte is Ldone by reading the destination string + in long-words and scanbyte'ing them, then examining the bytes of the + word that contains the null byte, until the address of the null byte is + known. Then we drop into the strcpy routine. It is probable (approx. + three out of four times) that the destination string as strcpy sees + it will NOT be word aligned (i.e. that the null byte won't be the + last byte of a word). But it is not worth the complication to that + routine to force word aligned memory accesses to be gaurenteed. +*/ + .globl _strcpy, _strcat + .globl __strcpy, __strcat + .leafproc _strcpy,__strcpy + .leafproc _strcat,__strcat + .align 2 +_strcat: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__strcat: + mov g14,g13 # preserve return address + ldl (g0),g4 # fetch first two words + addo 8,g0,g2 # post-increment src word pointer + lda 0xff,g3 # byte extraction mask + +Lsearch_for_word_with_null_byte: + scanbyte 0,g4 # check for null byte + mov g5,g7 # copy second word + bo.f Lsearch_for_null # branch if null found + scanbyte 0,g7 # check for null byte + ldl (g2),g4 # fetch next pair of word of src + addo 8,g2,g2 # post-increment src word pointer + bno Lsearch_for_word_with_null_byte # branch if null not found yet + + subo 4,g2,g2 # back up the byte pointer + mov g7,g4 # move word with null to search word +Lsearch_for_null: + subo 9,g2,g5 # back up the byte pointer +Lsearch_for_null.a: + and g4,g3,g6 # extract byte + cmpo 0,g6 # is it null? + addo 1,g5,g5 # bump src byte ptr + shro 8,g4,g4 # shift word to position next byte + bne Lsearch_for_null.a + b Lend_of_dest_found + +_strcpy: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__strcpy: + mov g0, g5 +Lend_of_dest_found: + ld (g1), g2 # fetch first word of source + mov g14,g6 # preserve return address + lda 0xff, g3 # byte extraction mask = 0xff; +Lwloop: # word copying loop + addo 4, g1, g1 # post-increment source ptr + scanbyte 0, g2 # does source word contain null byte? + mov g2, g4 # save a copy of the source word + be Lcloop # branch if null present + ld (g1), g2 # pre-fetch next word of source + st g4, (g5) # store current word + addo 4, g5, g5 # post-increment dest ptr + b Lwloop + +Lcloop: # character copying loop + and g3, g4, g14 # extract next char + shro 8, g4, g4 # position word for next byte extraction + cmpo 0, g14 # is it null? + stob g14, (g5) # store the byte + addo 1, g5, g5 # post-increment dest ptr + bne Lcloop # quit if null encountered + + bx (g6) # g0 = dest string address; g14 = 0 +Lrett: + ret

strcpy.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strpbrk.S =================================================================== --- strpbrk.S (nonexistent) +++ strpbrk.S (revision 345) @@ -0,0 +1,100 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + +/* + * (c) copyright 1989,1993 Intel Corp., all rights reserved + */ + +/* + procedure strpbrk (optimized assembler version: 80960K series, 80960CA) + + char_addr = strpbrk (string, brkset_string) + + Return the address of the first character in string that is NOT + in the brkset_string. Return NULL if none exists. + + At the time of this writing, only g0 thru g7 and g13 are available + for use in this leafproc; other registers would have to be saved and + restored. These nine registers, plus tricky use of g14 are sufficient + to implement the routine. + + This routine stays out of g3 and g4 altogether. They may be used by + the strtok routine, which calls this routine in an incestuous way. +*/ +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif + + .file "strprk.s" + .globl _strpbrk + .globl __strpbrk + .leafproc _strpbrk, __strpbrk + .align 2 + +_strpbrk: +#ifdef __PIC + lda Lrett-(.+8)(ip),g14 + b __strpbrk +#else + lda Lrett,g14 + b __strpbrk +#endif + +Lrett: ret + +__strpbrk: + +Lnext_char_strpbrk: + addo 1,g1,g2 # g2 will be the brkset ptr + ldob (g0),g7 # fetch next character of string + ldob (g1),g6 # fetch first character of brkset + cmpobe.f 0,g7,Lexit_char_not_found # quit if at end of string +Lscan_set_strpbrk: + cmpo g6,g7 # is brkset char equal to string char? + ldob (g2),g5 # fetch next brkset char + addo 1,g2,g2 # bump brkset ptr + be.f Lexit_char_found + cmpo g6,0 # is brkset_string exhausted? + lda (g5),g6 + bne.t Lscan_set_strpbrk # check next character of brkset + addo 1,g0,g0 # check next character of string + b Lnext_char_strpbrk + +Lexit_char_not_found: + mov 0,g0 # return null if brkset char not found in string +Lexit_char_found: + mov g14,g13 # save return address + lda 0,g14 # conform to register conventions + bx (g13) + +/* end of strpbrk */

strpbrk.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strrchr.S =================================================================== --- strrchr.S (nonexistent) +++ strrchr.S (revision 345) @@ -0,0 +1,137 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "strrchr.s" +#ifdef __i960_BIG_ENDIAN__ +#error "This does not work in big-endian" +#endif + +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif + +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ + +/* + procedure strrchr (optimized assembler version for the 80960K series) + + src_addr = strrchr (src_addr, char) + + return a pointer to the last byte that contains the indicated + byte in the source string. Return null if the byte is not found. + + Undefined behavior will occur if the end of the source string (i.e. + the terminating null byte) is in the last two words of the program's + allocated memory space. This is so because strrchr fetches ahead. + Disallowing the fetch ahead would impose a severe performance penalty. + + Strategy: + + Fetch the source string by words and scanbyte the words for the + char until either a word with the byte is found or the null byte is + encountered. In the former case, move through the word to find the + matching byte and save its memory address, then continue the search. + In the latter case, return the saved address, or zero (null) if none + was ever found to save. + + Tactics: + + 1) Do NOT try to fetch the words in a word aligned manner because, + in my judgement, the performance degradation experienced due to + non-aligned accesses does NOT outweigh the time and complexity added + by the preamble that would be necessary to assure alignment. This + is supported by the intuition that most source arrays (even more + true of most big source arrays) will be word aligned to begin with. +*/ + + .globl _strrchr + .globl __strrchr + .leafproc _strrchr, __strrchr + .align 2 +_strrchr: +#ifdef __PIC + lda Lrett-(.+8)(ip),g14 +#else + lda Lrett,g14 +#endif +__strrchr: + + ld (g0),g4 # fetch first word + lda 0xff,g7 # byte extraction mask + and g1,g7,g1 # make char an 8-bit ordinal + shlo 8,g1,g2 # broadcast the char to four bytes + or g1,g2,g2 + shlo 16,g2,g5 + or g2,g5,g3 + mov g14,g13 # preserve return address + addo 4,g0,g2 # post-increment src pointer + mov 1,g0 # prepare to return null pointer + mov g3,g6 # prepare to return null pointer + +Lsearch_for_word_with_char_or_null: + mov g4,g5 # copy word + scanbyte 0,g5 # check for null byte + ld (g2),g4 # fetch next word of src + bo Lword_has_null # branch if null found + scanbyte g3,g5 # check for byte with char + addo 4,g2,g2 # post-increment src pointer + bno Lsearch_for_word_with_char_or_null # branch if no copy of char + mov g5,g6 # save word that has char in it (at least once) + subo 4,g2,g0 # save addr of byte after word with char + b Lsearch_for_word_with_char_or_null + +Lword_has_null: + subo 4,g2,g2 # move src pointer back to word with null +Lfind_null: + addo 1,g2,g2 # advance src pointer to byte after current + and g7,g5,g14 # extract next byte + cmpo g1,g14 # is current byte char? + shro 8,g5,g5 # position next byte for extraction + bne 1f # skip if not char sought after + mov g2,g0 # save addr of byte after char + mov g3,g6 # save word of all char to short circuit search +1: cmpobne 0,g14,Lfind_null # is current byte null? + +Lfind_last_char: + rotate 8,g6,g6 # position next highest byte + and g7,g6,g5 # extract byte + subo 1,g0,g0 # move pointer to that byte (or nullify) + cmpobne g5,g1,Lfind_last_char # branch if not at char + + bx (g13) # g0 = addr of char in src (or null); g14 = 0 +Lrett: + ret + +/* end of strrchr */

strrchr.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strncmp_ca.S =================================================================== --- strncmp_ca.S (nonexistent) +++ strncmp_ca.S (revision 345) @@ -0,0 +1,253 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "sncmp_ca.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ + +/* + procedure strncmp (optimized assembler version for the CA) + + result = strncmp (src1_addr, src2_addr, max_bytes) + + compare the null terminated string pointed to by src1_addr to + the string space pointed to by src2_addr. Return 0 iff the strings + are equal, -1 if src1_addr is lexicly less than src2_addr, and 1 + if it is lexicly greater. Do not compare more than max_bytes bytes. + + Undefined behavior will occur if the end of either source string + (i.e. the terminating null byte) is in the last word of the program's + allocated memory space. This is so because, in several cases, strncmp + will fetch ahead one word. Disallowing the fetch ahead would impose + a severe performance penalty. + + This program handles five cases: + + 1) both arguments start on a word boundary + 2) neither are word aligned, but they are offset by the same amount + 3) source1 is word aligned, source2 is not + 4) source2 is word aligned, source1 is not + 5) neither is word aligned, and they are offset by differing amounts + + At the time of this writing, only g0 thru g7 and g14 are available + for use in this leafproc; other registers would have to be saved and + restored. These nine registers are sufficient to implement the routine. + The registers are used as follows: + + g0 original src1 ptr; extracted word; return result + g1 src2 ptr; 0xff -- byte extraction mask + g2 maximum number of bytes to compare + g3 src2 word ptr + Little endian: + g4 lsw of src1 + g5 msw of src1 + g6 src2 word + g7 src1 word ptr + Big endian: + g4 msw of src1 + g5 lsw of src1 + g6 src1 word ptr + g7 src2 word + g13 return address + g14 shift count +*/ + +#if __i960_BIG_ENDIAN__ +#define MSW g4 +#define LSW g5 +#define SRC1 g6 +#define SRC2 g7 +#else +#define LSW g4 +#define MSW g5 +#define SRC2 g6 +#define SRC1 g7 +#endif + + .globl _strncmp + .globl __strncmp + .leafproc _strncmp, __strncmp + .align 2 +_strncmp: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__strncmp: +Lrestart: + notand g0,3,SRC1 # extract word addr of start of src1 + lda (g14),g13 # preserve return address + cmpibge.f 0,g2,Lequal_exit # return equality if number of bytes to + /* compare is none. */ +#if __i960_BIG_ENDIAN__ + cmpo g0,SRC1 # check alignment of src1 +#endif + ld (SRC1),LSW # fetch word with at least first byte of src1 + notand g1,3,g3 # extract word addr of start of src2 + ld 4(SRC1),MSW # fetch second word of src1 +#if __i960_BIG_ENDIAN__ + bne Lsrc1_unaligned # branch if src1 is unaligned + cmpo g3,g1 # check alignment of src2 + ld (g3),SRC2 # fetch word with at least first byte of src2 + shlo 3,g0,g14 # compute shift count for src1 + subo g14,0,g14 # adjust shift count for big endian + lda 8(SRC1),SRC1 # advance src1 word addr + bne.f Lsrc2_unaligned # branch if src2 is NOT word aligned + + /* src2 is word aligned */ + + mov LSW,g0 + +Lwloop2: # word comparing loop + cmpo SRC2,g0 # compare src1 and src2 words + lda 0xff000000,g1 # byte extraction mask + mov MSW,LSW # move msw of src1 to lsw + ld (SRC1),MSW # pre-fetch next msw of src1 + addo 4,SRC1,SRC1 # post-increment src1 addr + lda 4(g3),g3 # pre-increment src2 addr + bne.f Lcloop # branch if src1 and src2 unequal + scanbyte 0,g0 # check for null byte in src1 word + ld (g3),SRC2 # pre-fetch next word of src2 + mov LSW,g0 # extract word of src1 + subi 4,g2,g2 # decrement maximum byte count + bo.f Lequal_exit # branch if null byte encountered + cmpibl.t 0,g2,Lwloop2 # branch if max_bytes not reached yet + + b Lequal_exit # strings were equal up through max_bytes + +Lsrc1_unaligned: +#endif + cmpo g3,g1 # check alignment of src2 + ld (g3),SRC2 # fetch word with at least first byte of src2 + shlo 3,g0,g14 # compute shift count for src1 +#if __i960_BIG_ENDIAN__ + subo g14,0,g14 # adjust shift count for big endian +#endif + eshro g14,g4,LSW # extract word of src1 + lda 8(SRC1),SRC1 # advance src1 word addr + bne.f Lsrc2_unaligned # branch if src2 is NOT word aligned + + /* at least src2 is word aligned */ + + mov LSW,g0 + +Lwloop: # word comparing loop + cmpo SRC2,g0 # compare src1 and src2 words +#if __i960_BIG_ENDIAN__ + lda 0xff000000,g1 # byte extraction mask +#else + lda 0xff,g1 # byte extraction mask +#endif + mov MSW,LSW # move msw of src1 to lsw + ld (SRC1),MSW # pre-fetch next msw of src1 + addo 4,SRC1,SRC1 # post-increment src1 addr + lda 4(g3),g3 # pre-increment src2 addr + bne.f Lcloop # branch if src1 and src2 unequal + scanbyte 0,g0 # check for null byte in src1 word + ld (g3),SRC2 # pre-fetch next word of src2 + eshro g14,g4,g0 # extract word of src1 + subi 4,g2,g2 # decrement maximum byte count + bo.f Lequal_exit # branch if null byte encountered + cmpibl.t 0,g2,Lwloop # branch if max_bytes not reached yet + + b Lequal_exit # strings were equal up through max_bytes + +Lcloop_setup: # setup for coming from Lsrc2_unaligned + mov LSW,g0 # restore extracted src1 word +#if __i960_BIG_ENDIAN__ + lda 0xff000000,g1 # byte extraction mask +#else + lda 0xff,g1 # byte extraction mask +#endif + +Lcloop: # character comparing loop + and SRC2,g1,g3 # extract next char of src2 + and g0,g1,LSW # extract next char of src1 + cmpobne.f LSW,g3,.diff # check for equality + cmpo 0,LSW # check for null byte +#if __i960_BIG_ENDIAN__ + shro 8,g1,g1 # shift mask for next byte +#else + shlo 8,g1,g1 # shift mask for next byte +#endif + subi 1,g2,g2 # decrement character counter + bne.t Lcloop # branch if null not reached + + /* words are equal up thru null byte */ + +Lequal_exit: + mov 0,g14 # conform to register conventions + lda 0,g0 # return zero, indicating equality + bx (g13) # return + +Lrett: + ret + +.diff: + mov 0,g14 + bl Lless_than_exit +Lgreater_than_exit: + cmpibge.f 0,g2,Lequal_exit # branch if difference is beyond max_bytes + mov 1,g0 + bx (g13) # g0 = 1 (src1 > src2) +Lless_than_exit: + cmpibge.f 0,g2,Lequal_exit # branch if difference is beyond max_bytes + subi 1,0,g0 + bx (g13) # g0 = -1 (src1 < src2) + +Lsrc2_unaligned: + notor g1,3,g14 # first step in computing new src1 ptr + ld 4(g3),SRC1 # fetch second word of src2 + shlo 3,g1,MSW # compute shift count for src2 +#if __i960_BIG_ENDIAN__ + subo MSW,0,MSW # adjust shift count for big endian +#endif + eshro MSW,g6,SRC2 # extract word of src2 + cmpo LSW,SRC2 # compare src1 and src2 words + lda 4(g3),g1 # set new src2 ptr + bne.f Lcloop_setup # first four bytes differ + scanbyte 0,LSW # check for null byte + subo g14,g0,g0 # second (final) step in computing new src1 ptr + addi g14,g2,g2 # compute new max_bytes too + lda (g13),g14 # prepare return pointer for Lrestart + bno.t Lrestart # if null byte not encountered, continue + /* with both string fetches shifted such that*/ + /* src2 is now word aligned.*/ + mov 0,g14 # conform to register conventions. + lda 0,g0 # return indicator of equality. + bx (g13)

strncmp_ca.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: memcpy.S =================================================================== --- memcpy.S (nonexistent) +++ memcpy.S (revision 345) @@ -0,0 +1,160 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "memcpy.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ +/* + procedure memmove (optimized assembler version for the 80960K series) + procedure memcpy (optimized assembler version for the 80960K series) + + dest_addr = memmove (dest_addr, src_addr, len) + dest_addr = memcpy (dest_addr, src_addr, len) + + copy len bytes pointed to by src_addr to the space pointed to by + dest_addr. Return the original dest_addr. + + These routines will work even if the arrays overlap. The standard + requires this of memmove, but memcpy is allowed to fail if overlap + is present. Nevertheless, it is implemented the same as memmove + because the overhead is trifling. + + Undefined behavior will occur if the end of the source array is in + the last two words of the program's allocated memory space. This + is so because the routine fetches ahead. Disallowing the fetch + ahead would impose a severe performance penalty. + + Strategy: + + Fetch the source array by words and store them by words to the + destination array, until there are fewer than three bytes left + to copy. Then, using the last word of the source (the one that + contains the remaining 0, 1, 2, or 3 bytes to be copied), store + a byte at a time until Ldone. + + Tactics: + + 1) Do NOT try to fetch and store the words in a word aligned manner + because, in my judgement, the performance degradation experienced due + to non-aligned accesses does NOT outweigh the time and complexity added + by the preamble and convoluted body that would be necessary to assure + alignment. This is supported by the intuition that most source and + destination arrays (even more true of most big source arrays) will + be word aligned to begin with. + + 2) For non-overlapping arrays, rather than decrementing len to zero, + I calculate the address of the byte after the last byte of the + destination array, and quit when the destination byte pointer passes + that. + + 3) For overlapping arrays where the source starts at a lower address + than the destination the move is performed in reverse order. + + 4) Overlapping arrays where the source starts at a higher address + are treated like non-overlapping case. Where the two arrays exactly + coincide, the routine is short-circuited; no move is Ldone at all. + This costs only one cycle. +*/ + + .globl _memcpy, _memmove + .globl __memcpy, __memmove + .leafproc _memmove, __memmove + .leafproc _memcpy, __memcpy + .align 2 +_memmove: +_memcpy: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__memmove: +__memcpy: + mov g14, g13 # preserve return address + cmpibge 0,g2,Lexit # exit if number of bytes to move is <= zero. + cmpo g0,g1 # does start of dest overlap end of src? + addo g2,g1,g3 + be Lexit # no move necessary if src and dest are same + concmpo g3,g0 + addo g2, g0, g6 + bg Lbackwards # if overlap, then do move backwards + + ld (g1), g7 # fetch first word of source + mov g0, g5 + b Lwloop_b + +Lwloop_a: + ld (g1), g7 # fetch ahead next word of source + st g4, (g5) # store word to dest + addo 4, g5, g5 # post-increment dest pointer +Lwloop_b: # word copying loop + addo 4, g1, g1 # pre-increment src pointer + cmpo g3, g1 # is len <= 3 ? + mov g7, g4 # keep a copy of the current word + bge Lwloop_a # loop if more than 3 bytes to move + cmpobe g6, g5, Lexit # quit if no more bytes to move + +Lcloop_a: # character copying loop (len < 3) + stob g4, (g5) # store a byte + shro 8, g4, g4 # position next byte for storing + addo 1, g5, g5 + cmpobne g6, g5, Lcloop_a # quit if no more bytes to move + +Lexit: + mov 0, g14 + bx (g13) # g0 = dest array address; g14 = 0 +Lrett: + ret + +Lwloop.a: + subo 4, g6, g6 # pre-decrement dest pointer + st g7, (g6) # store word to dest +Lbackwards: # word copying loop + subo 4, g3, g3 # pre-decrement src pointer + cmpo g1, g3 # is len <= 3? + ld (g3), g7 # fetch ahead next word of source + ble Lwloop.a # loop if more than 3 bytes to move + cmpobe g6, g0, Lexit # quit if no more bytes to move + +Lcloop.a: + subo 1, g6, g6 + rotate 8, g7, g7 # position byte for storing + stob g7, (g6) # store byte + cmpobne g6, g0, Lcloop.a # quit if no more bytes to move + b Lexit + +/* end of memmove */

memcpy.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strncpy.S =================================================================== --- strncpy.S (nonexistent) +++ strncpy.S (revision 345) @@ -0,0 +1,154 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "strncpy.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ +/* + procedure strncpy (optimized assembler version for the 80960K Series) + + dest_addr = strncpy (dest_addr, src_addr, max_bytes) + + copy the null terminated string pointed to by src_addr to the + string pointed to by dest_addr. Return the original dest_addr. + If the source string is shorter than max_bytes, then null-pad + the destination string. If it is longer than max_bytes, the + copy stops at max_bytes bytes (and no terminating null appears + in the destination string). + + This routine will fail if the source and destination string + overlap (in particular, if the end of the source is overlapped + by the beginning of the destination). The behavior is undefined. + This is acceptable according to the draft C standard. + + Undefined behavior will also occur if the end of the source string + (i.e. the terminating null byte) is in the last two words of the + program's allocated memory space. This is so because strncpy fetches + ahead. Disallowing the fetch ahead would impose a severe performance + penalty. + + Strategy: + + Fetch and store the strings by words and go to a character move loop + as soon as a null byte is encountered. If max_bytes is exhausted + first, then terminate after moving only max_bytes (with the last + 0, 1, 2, or 3 bytes moved as single bytes, not as a word). + Otherwise, the character move loop moves the last bytes or the + source string, and then null-pads the destination string until + max_bytes is exhausted. + + Tactics: + + 1) Do NOT try to fetch the words in a word aligned manner because, + in my judgement, the performance degradation experienced due to + non-aligned accesses does NOT outweigh the time and complexity added + by the preamble and convoluted body that would be necessary to assure + alignment. + + 2) When the null byte is encountered in a source word, null out the + higher-numbered bytes in that word, store the word in the destination, + and go to the word null-padder, which may eventually go to the byte + null-padder. +*/ + + .globl _strncpy + .globl __strncpy + .leafproc _strncpy,__strncpy + .align 2 +_strncpy: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__strncpy: + mov g14, g13 + cmpibge 0,g2,Lexit # quit early if max_bytes <= 0 + ld (g1), g7 # fetch the first word of the source + mov g0, g5 + lda 0xff, g3 # byte extraction mask + addo g1, g2, g6 + addo g2, g5, g2 +Lwloop: # word copying loop + addo 4, g1, g1 # post-increment source ptr + cmpo g6, g1 # max_bytes < 4 ? + mov g7, g4 # keep a copy of source word + bl Lcloop.a # if less than four bytes to go, go to char loop + scanbyte 0, g4 # null byte found? + ld (g1), g7 # pre-fetch next word of the source + be Lcloop.c # go to char loop if null encountered + st g4, (g5) # store current word + addo 4, g5, g5 # post-increment destination ptr + b Lwloop + +Lcloop.a: # character copying loop (max_bytes < 3) + and g3, g4, g14 # extract byte +Lcloop.b: + cmpo g2, g5 # max_bytes <= 0 ? + shro 8, g4, g4 # position word to extract next byte + be Lexit # exit if max_bytes exhausted + cmpo 0, g14 # is it null? + stob g14, (g5) # store it + addo 1, g5, g5 # post-increment dest ptr + bne Lcloop.a # branch if we are NOT null padding + b Lcloop.b # branch if we are null padding + +Lexit: + mov 0, g14 + bx (g13) # g0 = dest string address; g14 = 0 +Lrett: + ret + +Lcloop.c: # character copying loop + and g3, g4, g14 # extract byte + cmpo 0, g14 # is it null? + mov g3, g7 # save mask + shlo 8, g3, g3 # shift mask to next byte position + bne Lcloop.c # loop until null found + subo 1, g7, g3 # mask to null pad after null byte + and g3, g4, g4 # null-out stuff after null byte + st g4, (g5) # store last part of src and first of null-pad + subo 8,g2,g6 # adjust max_byte counter + +Lzwloop: + cmpo g5, g6 # max_bytes < 4 ? + addo 4, g5, g5 + bg Lcloop.b # if so, goto character loop + st g14, (g5) # store four null bytes + b Lzwloop + +/* end of strncpy */

strncpy.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: setjmp.S =================================================================== --- setjmp.S (nonexistent) +++ setjmp.S (revision 345) @@ -0,0 +1,96 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + +/******************************************************************************/ +/* */ +/* setjmp(), longjmp() */ +/* */ +/******************************************************************************/ + .file "setjmp.as" + .text + /* .link_pix */ + + .align 4 + .globl _setjmp +_setjmp: + flushreg + andnot 0xf,pfp,g1 /* get pfp, mask out return status bits */ + st g1, 0x58(g0) /* save fp of caller*/ + /* save globals not killed by the calling convention */ + stq g8, 0x40(g0) /* save g8-g11*/ + st g12, 0x50(g0) /* save g12*/ + st g14, 0x54(g0) /* save g14*/ + /* save previous frame local registers */ + ldq (g1), g4 /* get previous frame pfp, sp, rip, r3 */ + stq g4, (g0) /* save pfp, sp, rip, r3 */ + ldq 0x10(g1), g4 /* get previous frame r4-r7 */ + stq g4, 0x10(g0) /* save r4-r7 */ + ldq 0x20(g1), g4 /* get previous frame r8-r11 */ + stq g4, 0x20(g0) /* save r8-r11 */ + ldq 0x30(g1), g4 /* get previous frame r12-r15 */ + stq g4, 0x30(g0) /* save r12-r15 */ + + mov 0, g0 /* return 0 */ + ret + + /* + * fake a return to the place that called the corresponding _setjmp + */ + .align 4 + .globl _longjmp +_longjmp: + call 0f /* ensure there is at least one stack frame */ + +0: + flushreg /* do this before swapping stack */ + ld 0x58(g0), pfp /* get fp of caller of setjmp */ + /* restore local registers + * the following code modifies the frame of the function which originally + * called setjmp. + */ + ldq (g0), g4 /* get pfp, sp, rip, r3 */ + stq g4, (pfp) /* restore pfp, sp, rip, r3 */ + ldq 0x10(g0), g4 /* get r4-r7 */ + stq g4, 0x10(pfp) /* restore r4-r7 */ + ldq 0x20(g0), g4 /* get r8-r11 */ + stq g4, 0x20(pfp) /* restore r8-r11 */ + ldq 0x30(g0), g4 /* get r12-r15 */ + stq g4, 0x30(pfp) /* restore r12-r15 */ + /* restore global registers */ + ldq 0x40(g0), g8 /* get old g8-g11 values */ + ld 0x50(g0), g12 /* get old g12 value */ + ld 0x54(g0), g14 /* get old g14 value */ + + mov g1, g0 /* get return value */ + cmpo g0, 0 /* make sure it is not zero */ + bne 0f + mov 1, g0 /* return 1 by default */ +0: + ret /* return to caller of _setjmp */

setjmp.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strlen.S =================================================================== --- strlen.S (nonexistent) +++ strlen.S (revision 345) @@ -0,0 +1,117 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "strlen.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif + +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ + +/* + procedure strlen (optimized assembler version for the 80960K series) + + src_addr = strlen (src_addr) + + return the number of bytes that precede the null byte in the + string pointed to by src_addr. + + Undefined behavior will occur if the end of the source string (i.e. + the terminating null byte) is in the last four words of the program's + allocated memory space. This is so because strlen fetches ahead + several words. Disallowing the fetch ahead would impose a severe + performance penalty. + + Strategy: + + Fetch the source array by long-words and scanbyte the words for the + null byte until found. Examine the word in which the null byte is + found, to determine its actual position, and return the length. + + Tactics: + + 1) Do NOT try to fetch the words in a word aligned manner because, + in my judgement, the performance degradation experienced due to + non-aligned accesses does NOT outweigh the time and complexity added + by the preamble that would be necessary to assure alignment. This + is supported by the intuition that many source strings will be word + aligned to begin with. +*/ + + .globl _strlen + .globl __strlen + .leafproc _strlen, __strlen + .align 2 +_strlen: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__strlen: + + mov g14,g13 # preserve return address + ldl (g0),g4 # fetch first two words + addo 8,g0,g2 # post-increment src word pointer + lda 0xff,g3 # byte extraction mask + + +Lsearch_for_word_with_null_byte: + scanbyte 0,g4 # check for null byte + mov g5,g7 # copy second word + bo.f Lsearch_for_null # branch if null found + scanbyte 0,g7 # check for null byte + ldl (g2),g4 # fetch next pair of word of src + addo 8,g2,g2 # post-increment src word pointer + bno Lsearch_for_word_with_null_byte # branch if null not found yet + + subo 4,g2,g2 # back up the byte pointer + mov g7,g4 # move word with null to search word +Lsearch_for_null: + subo 9,g2,g2 # back up the byte pointer +Lsearch_for_null.a: + and g4,g3,g14 # extract byte + cmpo 0,g14 # is it null? + addo 1,g2,g2 # bump src byte ptr + shro 8,g4,g4 # shift word to position next byte + bne Lsearch_for_null.a + +Lexit_code: + subo g0,g2,g0 # calculate string length + bx (g13) # g0 = addr of src; g14 = 0 +Lrett: + ret + +/* end of strlen */

strlen.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strcmp.S =================================================================== --- strcmp.S (nonexistent) +++ strcmp.S (revision 345) @@ -0,0 +1,118 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "strcmp.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ +/* + procedure strcmp (optimized assembler version for the 80960K Series) + + result = strcmp (src1_addr, src2_addr) + + compare the null terminated string pointed to by src1_addr to + the string pointed to by src2_addr. Return 0 iff the strings + are equal, -1 if src1_addr is lexicographically less than src2_addr, + and 1 if it is lexicographically greater. + + Undefined behavior will occur if the end of either source string + (i.e. the terminating null byte) is in the last two words of the + program's allocated memory space. This is so because strcmp fetches + ahead. Disallowing the fetch ahead would impose a severe performance + penalty. + + Strategy: + + Fetch the source strings by words and compare the words until either + differing words are found or the null byte is encountered. In either + case, move through the word until either the differing byte if found, + in which case return -1 or 1 appropriately; or the null byte is + encountered, in which case, return zero (equality). + + Tactics: + + 1) Do NOT try to fetch the words in a word aligned manner because, + in my judgement, the performance degradation experienced due to + non-aligned accesses does NOT outweigh the time and complexity added + by the preamble and convoluted body that would be necessary to assure + alignment. This is supported by the intuition that many source + strings will be word aligned to begin with. +*/ + + .globl _strcmp + .globl __strcmp + .leafproc _strcmp,__strcmp + .align 2 + +_strcmp: +#ifndef __PIC + lda .Lrett,g14 +#else + lda .Lrett-(.+8)(ip),g14 +#endif +__strcmp: + ld (g0), g5 # fetch first word of source_1 + mov g14,g7 # preserve return address + ldconst 0,g14 # conform to register conventions + ldconst 0xff,g4 # byte extraction mask +.Lwloop: + addo 4,g0,g0 # post-increment source_1 byte ptr + ld (g1), g3 # fetch word of source_2 + scanbyte 0,g5 # does word have a null byte? + mov g5,g2 # save a copy of the source_1 word + be .Lcloop # branch if null byte encountered + cmpo g2,g3 # are the source words the same? + addo 4,g1,g1 # post-increment source_2 byte ptr + ld (g0), g5 # fetch ahead next word of source_1 + be .Lwloop # fall thru if words are unequal + +.Lcloop: and g4,g2,g5 # extract and compare individual bytes + and g4,g3,g6 + cmpobne g5,g6,.diff # if they differ, go return 1 or -1 + cmpo 0,g6 # they are the same. Are they null? + shlo 8,g4,g4 # position mask for next extraction + bne .Lcloop # loop if null not encountered + + mov 0,g0 # return equality + bx (g7) +.Lrett: + ret +.diff: bl .neg + mov 1,g0 + bx (g7) +.neg: subi 1,0,g0 +.Lexit: + bx (g7)

strcmp.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strlen_ca.S =================================================================== --- strlen_ca.S (nonexistent) +++ strlen_ca.S (revision 345) @@ -0,0 +1,146 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "strle_ca.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ + +/* + procedure strlen (optimized assembler version for the CA) + + src_addr = strlen (src_addr) + + return the number of bytes that precede the null byte in the + string pointed to by src_addr. + + Undefined behavior will occur if the end of the source string (i.e. + the terminating null byte) is in the last four words of the program's + allocated memory space. This is so because, in several cases, strlen + will fetch ahead several words. Disallowing the fetch ahead would + impose a severe performance penalty. + + This program handles two cases: + + 1) the argument starts on a word boundary + 2) the argument doesn't start on a word boundary + + At the time of this writing, only g0 thru g7 and g13 are available + for use in this leafproc; other registers would have to be saved and + restored. These nine registers, plus tricky use of g14 are sufficient + to implement the routine. The registers are used as follows: + + g0 original src ptr; upon return it is the byte count. + g1 + g2 src ptr + g3 mask + g4 even word of the source string + g5 odd word of the source string + g6 copy of even word, shift count + g7 copy of odd word + g13 return address + g14 byte extracted. +*/ + + .globl _strlen + .globl __strlen + .leafproc _strlen, __strlen + .align 2 +_strlen: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__strlen: + + notand g0,3,g2 # extract word addr of start of src + lda (g14),g13 # preserve return address + and g0,3,g7 # extract byte offset of src + ld (g2),g5 # fetch word containing at least first byte + shlo 3,g7,g7 # get shift count for making mask for first word + lda 4(g2),g2 # post-increment src word pointer + subi 1,0,g3 # mask initially all ones + chkbit 2,g2 # are we on an even word boundary or an odd one? +#if __i960_BIG_ENDIAN__ + shro g7,g3,g3 # get mask for bytes needed from first word + notor g5,g3,g7 # set unneeded bytes to all ones + lda 0xff000000,g3 # byte extraction mask +#else + shlo g7,g3,g3 # get mask for bytes needed from first word + notor g5,g3,g7 # set unneeded bytes to all ones + lda 0xff,g3 # byte extraction mask +#endif + bno.f Lodd_word # branch if first word is odd + mov g7,g4 # move first word to copy thereof + ld (g2),g5 # load odd word + lda 4(g2),g2 # post-increment src word pointer + + +Leven_word: + scanbyte 0,g4 # check for null byte + movl g4,g6 # copy both words +Lodd_word: # trickery! if we branch here, following branch + /* instruction will fall thru, as we want, */ + /* effecting the load of g4 and g5 only. */ + ldl (g2),g4 # fetch next pair of word of src + bo.f Lsearch_for_null # branch if null found + scanbyte 0,g7 # check for null byte + lda 8(g2),g2 # post-increment src word pointer + bno.t Leven_word # branch if null not found yet + + subo 4,g2,g2 # back up the byte pointer + lda (g7),g6 # move odd word to search word +Lsearch_for_null: + subo 9,g2,g2 # back up the byte pointer +Lsearch_for_null.a: + and g6,g3,g14 # extract byte + cmpo 0,g14 # is it null? + lda 1(g2),g2 # bump src byte ptr +#if __i960_BIG_ENDIAN__ + shlo 8,g6,g6 # shift word to position next byte +#else + shro 8,g6,g6 # shift word to position next byte +#endif + bne.t Lsearch_for_null.a + +Lexit_code: + subo g0,g2,g0 # calculate string length + bx (g13) # g0 = addr of src; g14 = 0 +Lrett: + ret + +/* end of strlen */

strlen_ca.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: memcmp.S =================================================================== --- memcmp.S (nonexistent) +++ memcmp.S (revision 345) @@ -0,0 +1,128 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "memcmp.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ +/* + procedure memcmp (optimized assembler version for the 80960K series) + + result = memcmp (src1_addr, src2_addr, max_bytes) + + compare the byte array pointed to by src1_addr to the byte array + pointed to by src2_addr. Return 0 iff the arrays are equal, -1 iff + src1_addr is lexicographically less than src2_addr, and 1 iff it is + lexicographically greater. Do not compare more than max_bytes bytes. + + Undefined behavior will occur if the end of either source array + is in the last two words of the program's allocated memory space. + This is so because memcmp fetches ahead. Disallowing the fetch ahead + would impose a severe performance penalty. + + Strategy: + + Fetch the source strings by words and compare the words until either + a differing word is found or max_bytes is exhausted. In the former + case, move through the words to find the differing byte and return + plus or minus one, appropriately. In the latter case, return zero + (equality). + + Tactics: + + 1) Do NOT try to fetch the words in a word aligned manner because, + in my judgement, the performance degradation experienced due to + non-aligned accesses does NOT outweigh the time and complexity added + by the preamble that would be necessary to assure alignment. This + is supported by the intuition that most source arrays (even more + true of most big source arrays) will be word aligned to begin with. + + 2) Rather than decrementing max_bytes to zero, I calculate the + address of the byte after the last byte of the source_1 array, and + quit when the source byte pointer passes that. +*/ + + .globl _memcmp + .globl __memcmp + .leafproc _memcmp,__memcmp + .align 2 + +_memcmp: +#ifndef __PIC + lda .Lrett,g14 +#else + lda .Lrett-(.+8)(ip),g14 +#endif +__memcmp: + mov g14,g13 # preserve return address + ldconst 0,g14 # conform to register conventions + cmpibge 0,g2,Lequal_exit # quit if max_bytes <= 0 + addo g0,g2,g2 # calculate byte addr of byte after last in src1 + +.Lwloop: + cmpo g0,g2 + ld (g0), g5 # fetch word of source_1 + bge Lequal_exit # quit (equal) if max_bytes exhausted + ld (g1), g3 # fetch word of source_2 + addo 4,g0,g0 # post-increment source_1 byte ptr + addo 4,g1,g1 # post-increment source_2 byte ptr + cmpobe g5,g3,.Lwloop # branch if source words are equal + + ldconst 0xff,g4 # byte extraction mask + subo 4,g0,g0 # back up src1 pointer + +.Lcloop: and g4,g5,g7 # extract and compare individual bytes + and g4,g3,g6 + cmpobne g7,g6,.diff # branch if they are different + shlo 8,g4,g4 # position mask for next extraction + addo 1,g0,g0 + cmpobl g0,g2,.Lcloop # quit if max_bytes is exhausted + +Lequal_exit: + mov 0,g0 + bx (g13) +.Lrett: + ret + +.diff: bl .neg # arrays differ at current byte. + /* return 1 or -1 appropriately */ + mov 1,g0 + bx (g13) +.neg: subi 1,0,g0 +.Lexit: + bx (g13) + +/* end or memcmp */

memcmp.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strncat.S =================================================================== --- strncat.S (nonexistent) +++ strncat.S (revision 345) @@ -0,0 +1,155 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "strncat.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ +/* + procedure strncat (optimized assembler version for the 80960K Series) + + dest_addr = strncat (dest_addr, src_addr, max_bytes) + + append the null terminated string pointed to by src_addr to the null + terminated string pointed to by dest_addr. Return the original + dest_addr. If the source string is longer than max_bytes, then + append only max_bytes bytes, and tack on a null byte on the end. + + This routine will fail if the source and destination string + overlap (in particular, if the end of the source is overlapped + by the beginning of the destination). The behavior is undefined. + This is acceptable according to the draft C standard. + + Undefined behavior will also occur if the end of the source string + (i.e. the terminating null byte) is in the last two words of the + program's allocated memory space. This is so because strncat fetches + ahead. Disallowing the fetch ahead would impose a severe performance + penalty. + + Strategy: + + First, skip to the null byte in the destination string. Then + fetch the source string by words and store them by words to the + destination string, until there are fewer than three bytes left + to copy. Then, using the last word of the source (the one that + contains the remaining 0, 1, 2, or 3 bytes to be copied), store + a byte at a time until Ldone. + + If, before exhausting the max_byte count, the null byte is encountered + in the source string, then just copy up thru the null byte. + + Tactics: + + 1) Do NOT try to fetch and store the words in a word aligned manner + because, in my judgement, the performance degradation experienced due + to non-aligned accesses does NOT outweigh the time and complexity added + by the preamble and convoluted body that would be necessary to assure + alignment. +*/ + + .globl _strncat + .globl __strncat + .leafproc _strncat,__strncat + .align 2 +_strncat: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__strncat: + mov g14,g6 + cmpibge 0, g2, Lno_operation # Lexit early if max_bytes <= 0 + mov g0, g5 +Lskip_word_loop: + ld (g5), g7 # fetch word of dest string + addo 4, g5, g5 # post-increment dest ptr + scanbyte 0, g7 # does it contain null byte? + bno Lskip_word_loop # if not, loop + subo 5, g5, g5 # adjust dest ptr + lda 0xff, g3 # byte extraction mask = 0xff; +Lskip_byte_loop: + and g7, g3, g14 # extract byte of last word of dest string + cmpo 0, g14 # is it null? + addo 1, g5, g5 # adjust dest ptr + shro 8, g7, g7 # position next byte for extraction + bne Lskip_byte_loop # loop if null not found yet + + ld (g1), g7 # fetch first word of source string +Lwloop: # word copying loop + cmpo 4, g2 # max_bytes < 4 ? + addo 4, g1, g1 # post-increment source ptr + bge Lcloop.a # branch if less than 4 bytes to move + scanbyte 0, g7 # is null byte reached yet? + mov g7, g4 # keep a copy of the source word + be Lcloop # branch if null byte reached + ld (g1), g7 # pre-fetch next word of source + subo 4, g2, g2 # reduce max_byte counter + st g4, (g5) # store current word + addo 4, g5, g5 # post-increment destination ptr + b Lwloop + +Lcloop.b: + addo 1, g5, g5 # post-increment destination ptr + shro 8, g7, g7 # position next byte for extraction +Lcloop: # character copying loop (max_byte > 3) + and g3, g7, g4 # extract character + cmpo 0, g4 # is it null? + stob g4, (g5) # store it + bne Lcloop.b # loop if null not encountered yet + + bx (g6) # g0 = dest string address; g14 = 0 +Lrett: + ret + +Lcloop.c: + addo 1, g5, g5 # post-increment destination ptr + shro 8, g7, g7 # position next byte for extraction +Lcloop.a: # character copying loop (max_byte <= 3) + cmpdeco 0,g2,g2 # max_byte == 0? + and g3, g7, g4 # extract character + be Ldone # store null and Lexit if max_byte exhausted + cmpo 0, g4 # is it null? + stob g4, (g5) # store it + bne Lcloop.c # loop if null not encountered yet + +Ldone: stob g14, (g5) # store trailing null + bx (g6) # g0 = dest string address; g14 = 0 + +Lno_operation: mov 0, g14 # conform to register conventions + bx (g6) + +/* end of strncat */

strncat.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strdup.S =================================================================== --- strdup.S (nonexistent) +++ strdup.S (revision 345) @@ -0,0 +1,66 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "strdup.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif + +/* + * (c) copyright 1989,1993 Intel Corp., all rights reserved + */ + +/* + procedure strdup (optimized assembler version: 80960K series, 80960CA) + + dest_addr = strdup (src_addr) + + Allocate memory and copy thereto the string pointed to by src_addr. + Return the address of the copy, or null if unable to perform the + operation. +*/ + + .text + .align 2 + .globl _strdup +_strdup: + mov g0,r3 # Keep a copy of the original string addr + callj _strlen # Determine how much to allocate + addo 1,g0,g0 # Add one byte for the null byte at end + callj _malloc # Allocate the storage + cmpo 0,g0 + mov r3,g1 # Original string addr is now src for copy + bne.t _strcpy # Jump if allocation was successful + ret # Return the null ptr otherwise + +/* end of strdup */

strdup.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: configure.in =================================================================== --- configure.in (nonexistent) +++ configure.in (revision 345) @@ -0,0 +1,14 @@ +dnl This is the newlib/libc/machine/i960 configure.in file. +dnl Process this file with autoconf to produce a configure script. + +AC_PREREQ(2.59) +AC_INIT([newlib],[NEWLIB_VERSION]) +AC_CONFIG_SRCDIR([memccpy_ca.S]) + +dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake. +AC_CONFIG_AUX_DIR(../../../..) + +NEWLIB_CONFIGURE(../../..) + +AC_CONFIG_FILES([Makefile]) +AC_OUTPUT

configure.in Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strncmp.S =================================================================== --- strncmp.S (nonexistent) +++ strncmp.S (revision 345) @@ -0,0 +1,129 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "strncmp.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ +/* + procedure strncmp (optimized assembler version for the 80960K Series) + + result = strncmp (src1_addr, src2_addr, max_bytes) + + compare the null terminated string pointed to by src1_addr to + the string pointed to by src2_addr. Return 0 iff the strings + are equal, -1 if src1_addr is lexicographically less than src2_addr, + and 1 if it is lexicographically greater. Do not compare more than + max_bytes bytes. + + Undefined behavior will occur if the end of either source string + (i.e. the terminating null byte) is in the last two words of the + program's allocated memory space. This is so because strncmp + will fetch ahead. Disallowing the fetch ahead would impose + a severe performance penalty. + + Strategy: + + Fetch and compare the strings by words and go to a character + comparison loop as soon as a pair of words differ. If the + words are equal up through either the exhaustion of max_bytes + or the presence of the null byte, return 0 (equality). Otherwise, + the character comparator will return -1 or 1 for inequality, or + 0 if the differing byte is after the null byte or after the + exhaustion of max_bytes. + + Tactics: + + 1) Do NOT try to fetch the words in a word aligned manner because, + in my judgement, the performance degradation experienced due to + non-aligned accesses does NOT outweigh the time and complexity added + by the preamble and convoluted body that would be necessary to assure + alignment. +*/ + + .globl _strncmp + .globl __strncmp + .leafproc _strncmp,__strncmp + .align 2 + +_strncmp: +#ifndef __PIC + lda .Lrett,g14 +#else + lda .Lrett-(.+8)(ip),g14 +#endif +__strncmp: + mov g14,g13 + ldconst 0,g14 + cmpibge 0,g2,Lequal_exit # Lexit early if max_bytes <= 0 + addo g2,g0,g2 +.Lwloop: + cmpo g0,g2 # are max_bytes exhausted? + ld (g0), g5 # fetch word of source_1 + bge Lequal_exit # Lexit (equality) if max_bytes exhausted + ld (g1), g3 # fetch word of source_2 + addo 4,g0,g0 # post-increment source_1 ptr + scanbyte 0,g5 # is a null byte present? + addo 4,g1,g1 # post-increment source_1 ptr + be .Lcloop.a # perform char comparator if null byte found + cmpobe g5,g3,.Lwloop # perform char comparator if words are unequal + +.Lcloop.a: subo 4,g0,g0 # adjust max_byte counter + ldconst 0xff,g4 # byte extraction mask + +.Lcloop: and g4,g5,g7 # compare individual bytes + and g4,g3,g6 + cmpobne g7,g6,.diff # if different, return -1 or 1 + cmpo 0,g6 # they are equal. are they null? + shlo 8,g4,g4 # position mask to extract next byte + be Lequal_exit # if they are null, Lexit (equality) + addo 1,g0,g0 # is max_bytes exhausted? + cmpobl g0,g2,.Lcloop # if not, loop. if so, Lexit (equality) + +Lequal_exit: + mov 0,g0 + bx (g13) +.Lrett: + ret +.diff: bl .neg + mov 1,g0 + bx (g13) + +.neg: subi 1,0,g0 +.Lexit: + bx (g13) + +/* end of strncmp */

strncmp.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strcpy_ca.S =================================================================== --- strcpy_ca.S (nonexistent) +++ strcpy_ca.S (revision 345) @@ -0,0 +1,284 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "strcp_ca.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ + +/* + procedure strcpy (optimized assembler version for the CA) + + dest_addr = strcpy (dest_addr, src_addr) + + copy the null terminated string pointed to by src_addr to + the string space pointed to by dest_addr. Return the original + dest_addr. + + This routine will fail if the source and destination string + overlap (in particular, if the end of the source is overlapped + by the beginning of the destination). The behavior is undefined. + This is acceptable according to the draft C standard. + + Undefined behavior will also occur if the end of the source string + (i.e. the terminating null byte) is in the last word of the program's + allocated memory space. This is so because, in several cases, strcpy + will fetch ahead one word. Disallowing the fetch ahead would impose + a severe performance penalty. + + This program handles five cases: + + 1) both arguments start on a word boundary + 2) neither are word aligned, but they are offset by the same amount + 3) source is word aligned, destination is not + 4) destination is word aligned, source is not + 5) neither is word aligned, and they are offset by differing amounts + + At the time of this writing, only g0 thru g7 and g13 are available + for use in this leafproc; other registers would have to be saved and + restored. These nine registers, plus tricky use of g14 are sufficient + to implement the routine. The registers are used as follows: + + g0 original dest ptr; not modified, so that it may be returned. + g1 src ptr; shift count + g2 dest ptr; 4 bytes of src + g3 src ptr (word aligned) + g4 dest ptr (word aligned) + g5 0xff -- byte extraction mask + g6 lsw of double word for extraction of 4 bytes (little endian) + msw of double word for extraction of 4 bytes (big endian) + g7 msw of double word for extraction of 4 bytes (little endian) + lsw of double word for extraction of 4 bytes (big endian) + g13 return address + g14 byte extracted. When reaches null byte, which is zero, we will + be in conformance with register conventions, and can return to + the caller with a clear conscience. + + procedure strcat + + dest_addr = strcat (dest_addr, src_addr) + + Appends the string pointed to by src_addr to the string pointed + to by dest_addr. The first character of the source string is + copied to the location initially occupied by the trailing null + byte of the destination string. Thereafter, characters are copied + from the source to the destination up thru the null byte that + trails the source string. +*/ + +#if __i960_BIG_ENDIAN__ +#define MSW g6 +#define LSW g7 +#else +#define LSW g6 +#define MSW g7 +#endif + + .globl _strcpy, _strcat + .globl __strcpy, __strcat + .leafproc _strcpy, __strcpy + .leafproc _strcat, __strcat + .align 2 +_strcat: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__strcat: + notand g0,3,g4 # extract word addr of start of dest + lda (g14),g13 # preserve return address + and g0,3,LSW # extract byte offset of dest + ld (g4),MSW # fetch word containing at least first byte + shlo 3,LSW,g14 # get shift count for making mask for first word + subi 1,0,LSW # mask initially all ones +#if __i960_BIG_ENDIAN__ + shro g14,LSW,LSW # get mask for bytes needed from first word + lda 0xff000000,g5 # byte extraction mask +#else + shlo g14,LSW,LSW # get mask for bytes needed from first word + lda 0xff,g5 # byte extraction mask +#endif + notor MSW,LSW,MSW # set unneeded bytes to all ones +Lsearch_for_word_with_null: + scanbyte 0,MSW # check for null byte + lda 4(g4),g4 # post-increment dest word pointer + mov MSW,LSW # keep a copy of current word + ld (g4),MSW # fetch next word of dest + bno.t Lsearch_for_word_with_null # branch if null not found yet + and g5,LSW,g14 # extract byte + cmpo 0,g14 # branch if null is first byte of word + subo 4,g4,g4 # move dest word ptr back to word with null + notand g1,3,g3 # extract word addr of start of src + lda (g4),g2 # set dest byte ptr to 1st byte of word w/ null + be.f Lcase_14 +Lsearch_for_null: +#if __i960_BIG_ENDIAN__ + shro 8,g5,g5 # move mask down to next byte +#else + shlo 8,g5,g5 # move mask up to next byte +#endif + lda 1(g2),g2 # move dest byte ptr to next byte + and g5,LSW,g14 # extract byte + cmpobne.t 0,g14,Lsearch_for_null # branch if null is not yet found + lda 0xff,g5 # byte extraction mask + b Lcase_235.a + + +_strcpy: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__strcpy: + notand g0,3,g4 # extract word addr of start of dest + lda (g14),g13 # preserve return address + cmpo g0,g4 # check alignment of dest + lda 0xff,g5 # load mask for byte extraction + notand g1,3,g3 # extract word addr of start of src + bne.f Lcase_235 # branch if dest is NOT word aligned + +Lcase_14: + cmpo g3,g1 # check alignment of src + ld (g3),LSW # fetch word containing at least first byte + shlo 3,g1,g1 # compute shift count + lda 4(g3),g3 # advance src word addr +#if __i960_BIG_ENDIAN__ + lda 0xff,g5 # byte extraction mask +#endif + bne.f Lcase_4 # branch if src is NOT word aligned + +Lcase_1: # src and dest are word aligned + subo 4,g4,g4 # store is pre-incrementing; back up dest addr +Lcase_1_wloop: # word copying loop + scanbyte 0,LSW # check for null byte in src word + lda (LSW),g2 # keep a copy of the src word + addo 4,g4,g4 # pre-increment dest addr + ld (g3),LSW # pre-fetch next word of src + addo 4,g3,g3 # post-increment src addr + bo.f Lcase_1_cloop # branch if word contains null byte + st g2,(g4) # store word in dest string + b Lcase_1_wloop + +Lcase_3_cloop: +Lcase_1_cloop: # character copying loop +#if __i960_BIG_ENDIAN__ + rotate 8,g2,g2 # move next byte into position for extraction + and g5,g2,g14 # extract next char +#else + and g5,g2,g14 # extract next char + shro 8,g2,g2 # move next byte into position for extraction +#endif + cmpo 0,g14 # check for null byte + stob g14,(g4) # store the byte in dest + lda 1(g4),g4 # post-increment dest byte addr + bne.t Lcase_1_cloop # branch if null not reached + +Lexit_code: + bx (g13) # g0 = addr of dest; g14 = 0 +Lrett: + ret + +Lcase_3: # src is word aligned; dest is not + addo 4,g4,g4 # move dest word ptr to first word boundary + mov LSW,MSW # make copy of first word of src + lda 0,g1 # initialize shift count to zero + +Lcase_25: +Lcase_3_cloop_at_start: # character copying loop for start of dest str +#if __i960_BIG_ENDIAN__ + rotate 8,MSW,MSW # move next byte into position for extraction + and g5,MSW,g14 # extract next char +#else + and g5,MSW,g14 # extract next char + shro 8,MSW,MSW # move next byte into position for extraction +#endif + cmpo 0,g14 # check for null byte + stob g14,(g2) # store the byte in dest + lda 1(g2),g2 # post-increment dest ptr + be.f Lexit_code # branch if null byte reached + cmpo g2,g4 # have we reached word boundary in dest? + lda 8(g1),g1 # augment the shift counter + bne.t Lcase_3_cloop_at_start + +Lcase_4: + ld (g3),MSW # fetch msw of operand for double shift +#if __i960_BIG_ENDIAN__ + subo g1,0,g1 # Adjust shift count for big endian. +#endif + +Lcase_3_wloop: + eshro g1,g6,g2 # extract 4 bytes of src + lda 4(g3),g3 # post-increment src word addr + scanbyte 0,g2 # check for null byte + lda (MSW),LSW # move msw to lsw + ld (g3),MSW # pre-fetch msw of operand for double shift + bo.f Lcase_3_cloop # branch if word contains null byte + st g2,(g4) # store 4 bytes to dest + addo 4,g4,g4 # post-increment dest ptr + b Lcase_3_wloop + +Lcase_235: + lda (g0),g2 # copy dest ptr +Lcase_235.a: + cmpo g3,g1 # check alignment of src + ld (g3),LSW # fetch word containing at least first byte + and 3,g1,g14 # compute shift count + lda 4(g3),g3 # advance src word addr + shlo 3,g14,g1 + be.t Lcase_3 # branch if dest is word aligned + or g4,g14,g14 # is src earlier in word, later, or sync w/ dst + ld (g3),MSW # pre-fetch second half + cmpo g2,g14 # < indicates first word of dest has more bytes + lda 4(g4),g4 # move dest word addr to first word boundary + /* than first word of source. */ +#if __i960_BIG_ENDIAN__ + subo g1,0,g14 # Adjust shift count for big endian. + eshro g14,g6,g14 # extract four bytes + bge.f 1f +#else + eshro g1,g6,g14 # extract four bytes + bg.f 1f +#endif + mov MSW,LSW + lda 4(g3),g3 # move src word addr to second word boundary +1: + mov g14,MSW + b Lcase_25 + +/* end of strcpy */ +

strcpy_ca.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: memset.S =================================================================== --- memset.S (nonexistent) +++ memset.S (revision 345) @@ -0,0 +1,121 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "memset.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1989,1993 Intel Corp., all rights reserved + */ + +/* + procedure memset (optimized assembler version: 80960K series, 80960CA) + + dest_addr = memset (dest_addr, char, len) + + Fill len bytes pointed to by dest_addr with the value of char. + Return the original address of dest_addr. + + This program avoids performing unaligned accesses. It stores + from zero to seven bytes, and then stores aligned longwords, + and then stores from zero to seven bytes, as necessary to + store len bytes starting at dest_addr. + + At the time of this writing, only g0 thru g7 and g13 are available + for use in this leafproc; other registers would have to be saved and + restored. These nine registers, plus tricky use of g14 are sufficient + to implement the routine. +*/ + + .globl _memset + .globl __memset + .leafproc _memset, __memset + .align 2 +_memset: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__memset: + cmpo 7,g2 # are there fewer than seven characters to move? + lda (g14),g13 # save return address + notand g0,7,g3 # test for non-aligned dest_ptr + lda 0,g14 # conform to register conventions + shlo 24,g1,g4 # prepare word of char + lda (g0),g6 # preserve dest_ptr for return + shro 8,g4,g5 + bge.f Lcloop_setup + cmpo g3,g0 # is dest longword aligned + lda 7(g3),g3 # bump dest_ptr to next longword boundary + or g4,g5,g4 + be.t Lwloop_setup + +Lbgn_cloop: + cmpo g6,g3 # Have we reached longword boundary? + stob g1,(g6) # store one byte of char + subo 1,g2,g2 # decrement len + lda 1(g6),g6 # increment dest_ptr + bne.t Lbgn_cloop # loop if more bytes to store before longword + + cmpobge.f 7,g2,Lcloop + +Lwloop_setup: + shro 16,g4,g5 + or g4,g5,g4 + mov g4,g5 # now have a longword of char + +Lwloop: + cmpo 15,g2 # Do we have to store more longwords? + stl g4,(g6) # Store longword of char + subo 8,g2,g2 # Decrement len + lda 8(g6),g6 # Increment dest_ptr + bl.t Lwloop # loop if more longwords to store + +Lcloop_setup: + cmpobge.t 0,g2,Lexit + +Lcloop: + cmpo 1,g2 # Is len exhausted? + stob g1,(g6) # Store byte + subo 1,g2,g2 # Decrement len + lda 1(g6),g6 # Increment dest_ptr + bne.t Lcloop # loop if more bytes to store + +Lexit: + bx (g13) +Lrett: + ret + +/* end of memset */

memset.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strcspn.S =================================================================== --- strcspn.S (nonexistent) +++ strcspn.S (revision 345) @@ -0,0 +1,94 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "strcspn.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1989,1993 Intel Corp., all rights reserved + */ + +/* + procedure strcspn (optimized assembler version: 80960K series, 80960CA) + + len = strcspn (string, charset) + + Return the number of characters in the maximum leading segment + of string which consists solely of characters NOT from charset. + + At the time of this writing, only g0 thru g7 and g13 are available + for use in this leafproc; other registers would have to be saved and + restored. These nine registers, plus tricky use of g14 are sufficient + to implement the routine. +*/ + + .globl _strcspn + .globl __strcspn + .leafproc _strcspn, __strcspn + .align 2 + +_strcspn: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__strcspn: + mov g14,g13 # save return address + lda (g0),g3 # copy string pointer + mov 0,g14 # conform to register conventions + +Lnext_char: + ldob (g3),g7 # fetch next character of string + addo 1,g1,g2 # g2 will be the charset ptr + ldob (g1),g6 # fetch first character of charset + cmpobe.f 0,g7,Lexit # quit if at end of string +Lscan_set: + cmpo g6,g7 # is charset char same as string char? + ldob (g2),g5 # fetch next charset char + addo 1,g2,g2 # bump charset ptr + be.f Lexit + cmpo g6,0 # is charset exhausted? + lda (g5),g6 + bne.t Lscan_set # check next character of charset + addo 1,g3,g3 # check next character of string + b Lnext_char + +Lexit: + subo g0,g3,g0 # compute string length + bx (g13) +Lrett: + ret + +/* end of strcspn */

strcspn.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: memcpy_ca.S =================================================================== --- memcpy_ca.S (nonexistent) +++ memcpy_ca.S (revision 345) @@ -0,0 +1,353 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "memcp_ca.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1992,1993 Intel Corp., all rights reserved + */ + +/* + procedure memmove (optimized assembler version for the CA) + procedure memcpy (optimized assembler version for the CA) + + dest_addr = memmove (dest_addr, src_addr, len) + dest_addr = memcpy (dest_addr, src_addr, len) + + copy len bytes pointed to by src_addr to the space pointed to by + dest_addr. Return the original dest_addr. + + Memcpy will fail if the source and destination string overlap + (in particular, if the end of the source is overlapped by the + beginning of the destination). The behavior is undefined. + This is acceptable according to the draft C standard. + Memmove will not fail if overlap exists. + + Undefined behavior will also occur if the end of the source string + (i.e. the terminating null byte) is in the last word of the program's + allocated memory space. This is so because, in several cases, the + routine will fetch ahead one word. Disallowing the fetch ahead would + impose a severe performance penalty. + + This program handles five cases: + + 1) both arguments start on a word boundary + 2) neither are word aligned, but they are offset by the same amount + 3) source is word aligned, destination is not + 4) destination is word aligned, source is not + 5) neither is word aligned, and they are offset by differing amounts + + At the time of this writing, only g0 thru g7 and g13 are available + for use in this leafproc; other registers would have to be saved and + restored. These nine registers, plus tricky use of g14 are sufficient + to implement the routine. The registers are used as follows: + + g0 dest ptr; not modified, so that it may be returned + g1 src ptr; shift count + g2 len + g3 src ptr (word aligned) + g4 dest ptr (word aligned) + g5 -4 for Lbackwards move + Little endian + g6 lsw of double word for extraction of 4 bytes + g7 msw of double word for extraction of 4 bytes + Big endian + g6 msw of double word for extraction of 4 bytes + g7 lsw of double word for extraction of 4 bytes + g13 return address + g14 byte extracted. +*/ + +#if __i960_BIG_ENDIAN__ +#define MSW g6 +#define LSW g7 +#else +#define LSW g6 +#define MSW g7 +#endif + + .globl _memmove, _memcpy + .globl __memmove, __memcpy + .leafproc _memmove, __memmove + .leafproc _memcpy, __memcpy + .align 2 +_memcpy: +_memmove: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__memcpy: +__memmove: + cmpibge.f 0,g2,Lquick_exit # Lexit if number of bytes to move is <= zero. + cmpo g0,g1 # if dest starts earlier than src ... + lda (g14),g13 # preserve return address + addo g2,g1,g5 # compute addr of byte after last byte of src + be.f Lexit_code # no move necessary if src and dest are same + concmpo g5,g0 # ... or if dest starts after end of src ... + notand g1,3,g3 # extract word addr of start of src + bg.f Lbackwards # ... then drop thru, else do move backwards + cmpo g3,g1 # check alignment of src + ld (g3),LSW # fetch word containing at least first byte + notand g0,3,g4 # extract word addr of start of dest + lda 4(g3),g3 # advance src word addr + bne.f Lcase_245 # branch if src is NOT word aligned + +Lcase_13: + cmpo g0,g4 # check alignment of dest + subo 4,g4,g4 # store is pre-incrementing; back up dest addr + be.t Lcase_1 # branch if dest word aligned + +Lcase_3: # src is word aligned; dest is not + addo 8,g4,g4 # move dest word ptr to first word boundary + lda (g0),g1 # copy dest byte ptr + mov LSW,MSW # make copy of first word of src + lda 32,g14 # initialize shift count to zero (mod 32) + +Lcase_25: +Lcase_3_cloop_at_start: # character copying loop for start of dest str + cmpdeci 0,g2,g2 # is max_bytes exhausted? + be.f Lexit_code # Lexit if max_bytes is exhausted +#if __i960_BIG_ENDIAN__ + rotate 8,MSW,MSW # move next byte into position for extraction + subo 8,g14,g14 # augment the shift counter + stob MSW,(g1) # store the byte in dest +#else + addo 8,g14,g14 # augment the shift counter + stob MSW,(g1) # store the byte in dest + shro 8,MSW,MSW # move next byte into position for extraction +#endif + lda 1(g1),g1 # post-increment dest ptr + cmpobne.t g1,g4,Lcase_3_cloop_at_start # branch if reached word boundary + + ld (g3),MSW # fetch msw of operand for double shift + +Lcase_4: +Lcase_3_wloop: + cmpi g2,4 # less than four bytes to move? + lda 4(g3),g3 # post-increment src word addr + eshro g14,g6,g1 # extract 4 bytes of src + bl.f Lcase_3_cloop # branch if < four bytes left to move + mov MSW,LSW # move msw to lsw + ld (g3),MSW # pre-fetch msw of operand for double shift + subi 4,g2,g2 # decrease max_byte count by the 4 bytes moved + st g1,(g4) # store 4 bytes to dest + addo 4,g4,g4 # post-increment dest ptr + b Lcase_3_wloop + +Lcase_1_wloop: # word copying loop + subi 4,g2,g2 # decrease max_byte count by the 4 bytes moved + ld (g3),LSW # pre-fetch next word of src + addo 4,g3,g3 # post-increment src addr + st g1,(g4) # store word in dest string +Lcase_1: # src and dest are word aligned + cmpi g2,4 # check for fewer than four bytes to move + addo 4,g4,g4 # pre-increment dest addr + lda (LSW),g1 # keep a copy of the src word + bge.t Lcase_1_wloop # branch if at least four bytes to copy +Lcase_3_cloop: + cmpibe.f 0,g2,Lexit_code # Lexit if max_bytes is exhausted + +Lcase_1_cloop: +#if __i960_BIG_ENDIAN__ + rotate 8,g1,g1 # move next byte into position for extraction +#endif + subi 1,g2,g2 + stob g1,(g4) # store the byte in dest + cmpi 0,g2 + lda 1(g4),g4 # post-increment dest byte addr +#if ! __i960_BIG_ENDIAN__ + shro 8,g1,g1 # move next byte into position for extraction +#endif + bne.t Lcase_1_cloop # Lexit if max_bytes is exhausted + +Lexit_code: + mov 0,g14 # conform to register conventions + bx (g13) # g0 = addr of dest; g14 = 0 +Lrett: + ret + + +Lcase_245: + cmpo g0,g4 # check alignment of dest + ld (g3),MSW # pre-fetch second half + and 3,g1,g1 # compute shift count + shlo 3,g1,g14 +#if __i960_BIG_ENDIAN__ + subo g14,0,g14 # adjust shift count for big endian +#endif + be.t Lcase_4 # branch if dest is word aligned + or g4,g1,g1 # is src earlier in word, later, or sync w/ dst + cmpo g0,g1 # < indicates first word of dest has more bytes + lda 4(g4),g4 # move dest word addr to first word boundary + eshro g14,g6,g5 # extract four bytes + lda (g0),g1 +#if __i960_BIG_ENDIAN__ + bge.f 1f +#else + bg.f 1f +#endif + mov MSW,LSW + lda 4(g3),g3 # move src word addr to second word boundary +1: + mov g5,MSW + b Lcase_25 + + +Lbackwards: + notand g5,3,MSW # extract word addr of byte after end of src + cmpo MSW,g5 # check alignment of end of src + subo 4,MSW,g3 # retreat src word addr + addo g2,g0,g1 # compute addr of byte after end of dest + notand g1,3,g4 # extract word addr of start of dest + bne.f Lcase.245 # branch if src is NOT word aligned + +Lcase.13: + cmpo g1,g4 # check alignment of dest + ld (g3),MSW # fetch last word of src + subo 4,g3,g3 # retreat src word addr + be.t Lcase.1 # branch if dest word aligned + +Lcase.3: # src is word aligned; dest is not + mov MSW,LSW # make copy of first word of src + lda 32,g14 # initialize shift count to zero (mod 32) + +Lcase.25: +Lcase.3_cloop_at_start: # character copying loop for start of dest str + cmpdeci 0,g2,g2 # is max.bytes exhausted? + be.f Lexit_code # Lexit if max_bytes is exhausted +#if ! __i960_BIG_ENDIAN__ + rotate 8,LSW,LSW # move next byte into position for storing +#endif + lda -1(g1),g1 # pre-decrement dest ptr + cmpo g1,g4 # have we reached word boundary in dest yet? + stob LSW,(g1) # store the byte in dest +#if __i960_BIG_ENDIAN__ + shro 8,LSW,LSW # move next byte into position for storing + addo 8,g14,g14 # augment the shift counter +#else + subo 8,g14,g14 # augment the shift counter +#endif + bne.t Lcase.3_cloop_at_start # branch if reached word boundary? + + ld (g3),LSW # fetch lsw of operand for double shift + +#if __i960_BIG_ENDIAN__ + cmpobne 0,g14,Lcase.3_wloop +Lcase.3_wloop2: + cmpi g2,4 # less than four bytes to move? + lda -4(g3),g3 # post-decrement src word addr + mov MSW,g1 # extract 4 bytes of src + lda (LSW),MSW # move lsw to msw + subo 4,g4,g4 # pre-decrement dest ptr + bl.f Lcase.3_cloop # branch if < four bytes left to move + ld (g3),LSW # pre-fetch lsw of operand for double shift + subi 4,g2,g2 # decrease max.byte count by the 4 bytes moved + st g1,(g4) # store 4 bytes to dest + b Lcase.3_wloop2 +#endif + +Lcase.4: +Lcase.3_wloop: + cmpi g2,4 # less than four bytes to move? + lda -4(g3),g3 # post-decrement src word addr + eshro g14,g6,g1 # extract 4 bytes of src + lda (LSW),MSW # move lsw to msw + subo 4,g4,g4 # pre-decrement dest ptr + bl.f Lcase.3_cloop # branch if < four bytes left to move + ld (g3),LSW # pre-fetch lsw of operand for double shift + subi 4,g2,g2 # decrease max.byte count by the 4 bytes moved + st g1,(g4) # store 4 bytes to dest + b Lcase.3_wloop + +Lcase.1_wloop: # word copying loop + subi 4,g2,g2 # decrease max.byte count by the 4 bytes moved + ld (g3),MSW # pre-fetch next word of src + subo 4,g3,g3 # post-decrement src addr + st g1,(g4) # store word in dest string +Lcase.1: # src and dest are word aligned + cmpi g2,4 # check for fewer than four bytes to move + subo 4,g4,g4 # pre-decrement dest addr + lda (MSW),g1 # keep a copy of the src word + bge.t Lcase.1_wloop # branch if at least four bytes to copy +Lcase.3_cloop: + cmpibe.f 0,g2,Lexit_code # Lexit if max_bytes is exhausted +#if ! __i960_BIG_ENDIAN__ + rotate 8,g1,g1 # move next byte into position for storing +#endif + lda 4(g4),g4 # pre-decremented dest addr 4 too much + +Lcase.1_cloop: + subi 1,g4,g4 # pre-decrement dest byte addr + cmpi g4,g0 # has dest ptr reached beginning of dest? + stob g1,(g4) # store the byte in dest +#if __i960_BIG_ENDIAN__ + shro 8,g1,g1 # move next byte into position for storing +#else + rotate 8,g1,g1 # move next byte into position for storing +#endif + bne.t Lcase.1_cloop # Lexit if move is completed + b Lexit_code + +Lcase.245: + cmpo g1,g4 # check alignment of dest + ld (MSW),MSW # pre-fetch word with at least last byte + and 3,g5,g5 # compute shift count + ld (g3),LSW # pre-fetch second to last word + shlo 3,g5,g14 +#if __i960_BIG_ENDIAN__ + subo g14,0,g14 # adjust shift count for big endian +#endif + be.t Lcase.4 # branch if dest is word aligned + or g4,g5,g5 # is src earlier in word, later, or sync w/ dst + cmpo g1,g5 # < indicates last word of dest has less bytes + eshro g14,g6,g5 # extract four bytes + bl.t 1f + mov LSW,MSW +#if ! __i960_BIG_ENDIAN__ + be.t 1f +#endif + subo 4,g3,g3 # move src word addr to second word boundary +1: + mov g5,LSW + b Lcase.25 + + +Lquick_exit: + mov g14,g13 + b Lexit_code + +/* end of memmove */

memcpy_ca.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: memccpy.S =================================================================== --- memccpy.S (nonexistent) +++ memccpy.S (revision 345) @@ -0,0 +1,143 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "memccpy.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1989,1993 Intel Corp., all rights reserved + */ +/* + procedure memccpy (optimized assembler version for the 80960K series) + + dest_addr = memccpy (dest_addr, src_addr, char, len) + + copy len bytes pointed to by src_addr to the space pointed to by + dest_addr, stopping if char is copied. If char is copied, + return address of byte after char in dest string; else null. + + + Undefined behavior will occur if the end of the source array is in + the last two words of the program's allocated memory space. This + is so because the routine fetches ahead. Disallowing the fetch + ahead would impose a severe performance penalty. + + Undefined behavior will also occur if the source and destination + strings overlap. + + Strategy: + + Fetch the source array by words and store them by words to the + destination array, until there are fewer than three bytes left + to copy. Then, using the last word of the source (the one that + contains the remaining 0, 1, 2, or 3 bytes to be copied), store + a byte at a time until Ldone. + + Tactics: + + 1) Do NOT try to fetch and store the words in a word aligned manner + because, in my judgement, the performance degradation experienced due + to non-aligned accesses does NOT outweigh the time and complexity added + by the preamble and convoluted body that would be necessary to assure + alignment. This is supported by the intuition that most source and + destination arrays (even more true of most big source arrays) will + be word aligned to begin with. + + 2) Rather than decrementing len to zero, + I calculate the address of the byte after the last byte of the + destination array, and quit when the destination byte pointer passes + that. + +*/ + + .globl _memccpy + .leafproc _memccpy, __memccpy + .align 2 +_memccpy: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__memccpy: + mov g14, g13 # preserve return address + cmpibge 0,g3,Lexit_char_not_found + + addo g3,g1,g3 # compute beyond end of src + ld (g1), g7 # fetch first word of source + lda 0xff,g5 # mask for char + and g5,g2,g2 # extract only char + shlo 8,g2,g6 + or g2,g6,g6 + shlo 16,g6,g4 + or g6,g4,g6 # word of char + b Lwloop_b + +Lwloop_a: + ld (g1), g7 # fetch ahead next word of source + st g4, (g0) # store word to dest + addo 4, g0, g0 # post-increment dest pointer +Lwloop_b: # word copying loop + addo 4, g1, g1 # pre-increment src pointer + cmpo g3, g1 # is len <= 3 ? + mov g7, g4 # keep a copy of the current word + bl Lcloop_setup # quit word loop if less than 4 bytes + scanbyte g6, g7 # check for char + bno Lwloop_a # continue word loop if char not found. + +Lcloop_setup: + subo 4, g1, g1 # back down src pointer + cmpobe g1, g3, Lexit_char_not_found + +Lcloop_a: # character copying loop (len < 3) + and g5,g4,g7 # check the byte against char + cmpo g7,g2 + stob g7,(g0) # store the byte + addo 1, g0, g0 + be Lexit_char_found + addo 1,g1,g1 + cmpo g1,g3 + shro 8,g4,g4 # position next byte + bne Lcloop_a + +Lexit_char_not_found: + mov 0, g0 +Lexit_char_found: + lda 0,g14 + bx (g13) # g0 = dest array address; g14 = 0 +Lrett: + ret + + +/* end of memccpy */

memccpy.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: memccpy_ca.S =================================================================== --- memccpy_ca.S (nonexistent) +++ memccpy_ca.S (revision 345) @@ -0,0 +1,245 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "mccpy_ca.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1989,1993 Intel Corp., all rights reserved + */ + +/* + procedure memccpy (optimized assembler version for the 80960CA) + + dest_addr = memccpy (dest_addr, src_addr, char, len) + + copy len bytes pointed to by src_addr to the space pointed to by + dest_addr, stopping if char is copied. If char is copied, + return address of byte after char in dest string; else null. + + Undefined behavior will occur if the end of the source array is in + the last two words of the program's allocated memory space. This + is so because the routine fetches ahead. Disallowing the fetch + ahead would impose a severe performance penalty. + + Undefined behavior will also occur if the source and destination + strings overlap. + + + This program handles five cases: + + 1) both arguments start on a word boundary + 2) neither are word aligned, but they are offset by the same amount + 3) source is word aligned, destination is not + 4) destination is word aligned, source is not + 5) neither is word aligned, and they are offset by differing amounts + + At the time of this writing, only g0 thru g7 and g13 are available + for use in this leafproc; other registers would have to be saved and + restored. These nine registers, plus tricky use of g14 are sufficient + to implement the routine. +*/ + +#if __i960_BIG_ENDIAN__ +#define MSW g6 +#define LSW g7 +#else +#define LSW g6 +#define MSW g7 +#endif + + .globl _memccpy + .leafproc _memccpy, __memccpy + .align 2 +_memccpy: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__memccpy: + notand g1,3,g5 # extract word addr of start of src + lda (g14),g13 # preserve return address + cmpibge.f 0,g3,Lexit_char_not_found # Lexit if # of bytes to move is <= 0 + cmpo g5,g1 # check alignment of src + ld (g5),LSW # fetch word containing at least first byte + notand g0,3,g4 # extract word addr of start of dest + lda 4(g5),g5 # advance src word addr + shlo 24,g2,g2 # reduce char to single byte + bne.f Lcase_245 # branch if src is NOT word aligned + +Lcase_13: + cmpobe.t g0,g4,Lcase_1_setup # branch if dest word aligned + +Lcase_3: # src is word aligned; dest is not + mov LSW,MSW # make copy of first word of src + addo 4,g4,g1 # move dest word ptr to first word boundary + lda 32,g14 # initialize shift count to zero + +Lcase_25: +Lcase_3_cloop_at_start: # character copying loop for start of dest str + cmpdeci 0,g3,g3 # is max_bytes exhausted? +#if __i960_BIG_ENDIAN__ + lda -8(g14),g14 # augment the shift counter +#else + lda 8(g14),g14 # augment the shift counter +#endif + be.f Lexit_char_not_found # Lexit if max_bytes is exhausted +#if __i960_BIG_ENDIAN__ + rotate 8,MSW,MSW # move next byte into position for extraction +#endif + shlo 24,MSW,g4 + stob MSW,(g0) # store the byte in dest + cmpo g4,g2 + lda 1(g0),g0 # post-increment dest ptr +#if ! __i960_BIG_ENDIAN__ + shro 8,MSW,MSW # move next byte into position for extraction +#endif + be.f Lexit_char_found # Lexit if char found + cmpobne.t g1,g0,Lcase_3_cloop_at_start # branch if reached word boundary + + ld (g5),MSW # fetch msw of operand for double shift + +Lcase_4: + shro 8,g2,g4 + or g4,g2,g1 + shro 16,g1,g4 + or g4,g1,g4 + +#if __i960_BIG_ENDIAN__ + cmpobne 0,g14,Lcase_3_wloop + +Lcase_3_wloop2: + cmpi g3,4 # less than four bytes to move? + lda 4(g5),g5 # post-increment src word addr + mov LSW,g1 # extract 4 bytes of src + bl.f Lcase_13_cloop_setup # branch if < four bytes left to move + scanbyte g4,g1 # branch if word has char in it + bo.f Lcase_13_cloop_setup + mov MSW,LSW # move msw to lsw + ld (g5),MSW # pre-fetch msw of operand for double shift + subi 4,g3,g3 # decrease max_byte count by the 4 bytes moved + st g1,(g0) # store 4 bytes to dest + addo 4,g0,g0 # post-increment dest ptr + b Lcase_3_wloop2 +#endif + +Lcase_3_wloop: + cmpi g3,4 # less than four bytes to move? + lda 4(g5),g5 # post-increment src word addr + eshro g14,g6,g1 # extract 4 bytes of src + bl.f Lcase_13_cloop_setup # branch if < four bytes left to move + scanbyte g4,g1 # branch if word has char in it + bo.f Lcase_13_cloop_setup + mov MSW,LSW # move msw to lsw + ld (g5),MSW # pre-fetch msw of operand for double shift + subi 4,g3,g3 # decrease max_byte count by the 4 bytes moved + st g1,(g0) # store 4 bytes to dest + addo 4,g0,g0 # post-increment dest ptr + b Lcase_3_wloop + +Lcase_1_setup: + subo 4,g0,g0 # store is pre-incrementing; back up dest addr + shro 8,g2,g4 + or g4,g2,MSW + shro 16,MSW,g4 + or g4,MSW,g4 + b Lcase_1 +Lcase_1_wloop: # word copying loop + subi 4,g3,g3 # decrease max_byte count by the 4 bytes moved + ld (g5),LSW # pre-fetch next word of src + addo 4,g5,g5 # post-increment src addr + st g1,(g0) # store word in dest string +Lcase_1: # src and dest are word aligned + cmpi g3,4 # check for fewer than four bytes to move + addo 4,g0,g0 # pre-increment dest addr + lda (LSW),g1 # keep a copy of the src word + bl.f Lcase_13_cloop_setup # branch if less than four bytes to copy + scanbyte LSW,g4 # branch if char is not in foursome + bno.t Lcase_1_wloop +Lcase_13_cloop_setup: + cmpibe.f 0,g3,Lexit_char_not_found # Lexit if max_bytes is exhausted + +Lcase_1_cloop: +#if __i960_BIG_ENDIAN__ + rotate 8,g1,g1 # move next byte into position for extraction +#endif + shlo 24,g1,g4 + stob g1,(g0) # store the byte in dest + cmpo g4,g2 + lda 1(g0),g0 # post-increment dest byte addr + subi 1,g3,g3 + be.f Lexit_char_found # Lexit if char reached + cmpi 0,g3 +#if ! __i960_BIG_ENDIAN__ + shro 8,g1,g1 # move next byte into position for extraction +#endif + bne.t Lcase_1_cloop # continue if len not exhausted + +Lexit_char_not_found: + mov 0,g0 +Lexit_char_found: + lda 0,g14 + bx (g13) # g0 = dest array address; g14 = 0 +Lrett: + ret + + +Lcase_245: + cmpo g0,g4 # check alignment of dest + ld (g5),MSW # pre-fetch second half + and 3,g1,g1 # compute shift count + shlo 3,g1,g14 +#if __i960_BIG_ENDIAN__ + subo g14,0,g14 # adjust shift count for big endian +#endif + be.t Lcase_4 # branch if dest is word aligned + or g4,g1,g1 # is src earlier in word, later, or sync w/ dst + cmpo g0,g1 # < indicates first word of dest has more bytes + /* than first word of source. */ + eshro g14,g6,g4 # extract four bytes + lda 4(g0),g1 # move dest word addr to first word boundary +#if __i960_BIG_ENDIAN__ + bge.f 1f +#else + bg.f 1f +#endif + mov MSW,LSW + lda 4(g5),g5 # move src word addr to second word boundary +1: + notand g1,3,g1 + mov g4,MSW + b Lcase_25 + +/* end of memccpy */

memccpy_ca.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strchr.S =================================================================== --- strchr.S (nonexistent) +++ strchr.S (revision 345) @@ -0,0 +1,123 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "strchr.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ + +/* + procedure strchr (optimized assembler version for the 80960K series) + + src_addr = strchr (src_addr, char) + + return a pointer to the first byte that contains the indicated + byte in the source string. Return null if the byte is not found. + + Undefined behavior will occur if the end of the source string (i.e. + the terminating null byte) is in the last two words of the program's + allocated memory space. This is so because strchr fetches ahead. + Disallowing the fetch ahead would impose a severe performance penalty. + + Strategy: + + Fetch the source string by words and scanbyte the words for the + char until either a word with the byte is found or the null byte is + encountered. In the former case, move through the word to find the + matching byte and return its memory address. In the latter case, + return zero (null). + + Tactics: + + 1) Do NOT try to fetch the words in a word aligned manner because, + in my judgement, the performance degradation experienced due to + non-aligned accesses does NOT outweigh the time and complexity added + by the preamble that would be necessary to assure alignment. This + is supported by the intuition that most source arrays (even more + true of most big source arrays) will be word aligned to begin with. +*/ + + .globl _strchr + .globl __strchr + .leafproc _strchr, __strchr + .align 2 +_strchr: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__strchr: + + ld (g0),g4 # fetch first word + lda 0xff,g7 # byte extraction mask + and g1,g7,g1 # make char an 8-bit ordinal + shlo 8,g1,g2 # broadcast the char to four bytes + or g1,g2,g2 + shlo 16,g2,g5 + or g2,g5,g3 + mov g14,g13 # preserve return address + addo 4,g0,g0 # post-increment src pointer + mov 0,g14 # conform to register linkage standard + +Lsearch_for_word_with_char_or_null: + mov g4,g5 # copy word + scanbyte g3,g5 # check for byte with char + ld (g0),g4 # fetch next word of src + bo Lsearch_for_char # branch if char found + scanbyte 0,g5 # check for null byte + addo 4,g0,g0 # post-increment src pointer + bno Lsearch_for_word_with_char_or_null # branch if not null + +Lnot_found: + mov 0,g0 # char not found. Return null +Lexit_code: + bx (g13) # g0 = addr of char in src (or null); g14 = 0 +Lrett: + ret + +Lsearch_for_char: + subo 5,g0,g0 # back up the byte pointer +Lsearch_for_char.a: + and g5,g7,g6 # extract byte + cmpo g1,g6 # is it char? + addo 1,g0,g0 # bump src byte ptr + shro 8,g5,g5 # shift word to position next byte + be Lexit_code + cmpobne 0,g6,Lsearch_for_char.a # quit if null comes before char + b Lnot_found + +/* end of strchr */

strchr.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strncpy_ca.S =================================================================== --- strncpy_ca.S (nonexistent) +++ strncpy_ca.S (revision 345) @@ -0,0 +1,289 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "sncpy_ca.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ + +/* + procedure strncpy (optimized assembler version for the CA) + + dest_addr = strncpy (dest_addr, src_addr, max_bytes) + + copy the null terminated string pointed to by src_addr to + the string space pointed to by dest_addr. Return the original + dest_addr. If the source string is shorter than max_bytes, + then null-pad the destination string. + + This routine will fail if the source and destination string + overlap (in particular, if the end of the source is overlapped + by the beginning of the destination). The behavior is undefined. + This is acceptable according to the draft C standard. + + Undefined behavior will also occur if the end of the source string + (i.e. the terminating null byte) is in the last word of the program's + allocated memory space. This is so because, in several cases, strcpy + will fetch ahead one word. Disallowing the fetch ahead would impose + a severe performance penalty. + + This program handles five cases: + + 1) both arguments start on a word boundary + 2) neither are word aligned, but they are offset by the same amount + 3) source is word aligned, destination is not + 4) destination is word aligned, source is not + 5) neither is word aligned, and they are offset by differing amounts + + At the time of this writing, only g0 thru g7 and g13 are available + for use in this leafproc; other registers would have to be saved and + restored. These nine registers, plus tricky use of g14 are sufficient + to implement the routine. The registers are used as follows: + + g0 original dest ptr; not modified, so that it may be returned. + g1 src ptr; shift count + g2 max_bytes + g3 src ptr (word aligned) + g4 dest ptr (word aligned) + g5 0xff -- byte extraction mask + Little endian: + g6 lsw of double word for extraction of 4 bytes + g7 msw of double word for extraction of 4 bytes + Big endian: + g6 msw of double word for extraction of 4 bytes + g7 lsw of double word for extraction of 4 bytes + g13 return address + g14 byte extracted. +*/ + +#if __i960_BIG_ENDIAN__ +#define MSW g6 +#define LSW g7 +#else +#define LSW g6 +#define MSW g7 +#endif + + .globl _strncpy + .globl __strncpy + .leafproc _strncpy, __strncpy + .align 2 +_strncpy: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__strncpy: + notand g1,3,g3 # extract word addr of start of src + lda (g14),g13 # preserve return address + cmpibge.f 0,g2,Lexit_code # Lexit if number of bytes to move is <= zero. + cmpo g3,g1 # check alignment of src + ld (g3),LSW # fetch word containing at least first byte + notand g0,3,g4 # extract word addr of start of dest + lda 4(g3),g3 # advance src word addr + bne.f Lcase_245 # branch if src is NOT word aligned + +Lcase_13: + cmpo g0,g4 # check alignment of dest + lda 0xff,g5 # load mask for byte extraction + subo 4,g4,g4 # store is pre-incrementing; back up dest addr + bne.f Lcase_3 # branch if dest not word aligned + +Lcase_1: # src and dest are word aligned +Lcase_1_wloop: # word copying loop + cmpi g2,4 # check for fewer than four bytes to move + lda (LSW),g1 # keep a copy of the src word + addo 4,g4,g4 # pre-increment dest addr + bl.f Lcase_1_cloop.a # branch if fewer than four bytes to copy + scanbyte 0,g1 # check for null byte in src word + ld (g3),LSW # pre-fetch next word of src + subi 4,g2,g2 # decrease max_byte count by the 4 bytes moved + bo.f Lcase_1_cloop.c # branch if word contains null byte + addo 4,g3,g3 # post-increment src addr + st g1,(g4) # store word in dest string + b Lcase_1_wloop + +Lcase_3_cloop.a: +Lcase_1_cloop.a: # character copying loop (max_bytes <= 3) +#if __i960_BIG_ENDIAN__ + rotate 8,g1,g1 # move next byte into position for extraction +#endif + and g5,g1,g14 # extract next char +Lcase_1_cloop.b: + cmpdeci 0,g2,g2 # is max_bytes exhausted? + be.f Lexit_code # Lexit if max_bytes is exhausted + cmpo 0,g14 # check for null byte + stob g14,(g4) # store the byte in dest +#if ! __i960_BIG_ENDIAN__ + shro 8,g1,g1 # move next byte into position for extraction +#endif + lda 1(g4),g4 # post-increment dest byte addr + bne.t Lcase_1_cloop.a # branch if null not reached + b Lcase_1_cloop.b + +Lexit_code: + mov 0,g14 # conform to register conventions + bx (g13) # g0 = addr of dest; g14 = 0 +Lrett: + ret + +Lcase_1_cloop.c: +Lcase_3_cloop.c: +#if __i960_BIG_ENDIAN__ + rotate 24,g5,g5 # move mask into position for testing next byte +#endif + and g5,g1,g14 # extract next char + cmpo 0,g14 # check for null byte +#if ! __i960_BIG_ENDIAN__ + lda (g5),LSW # keep a copy of the current mask + shlo 8,g5,g5 # move mask into position for testing next byte +#endif + bne.t Lcase_1_cloop.c # branch if null not reached +#if __i960_BIG_ENDIAN__ + subo 1,g5,g5 # null pad. + andnot g5,g1,g1 # last bytes to copy, and null pad rest of word +#else + subo 1,LSW,g5 # mask to get last bytes to copy, and null pad + and g5,g1,g1 # last bytes to copy, and null pad rest of word +#endif + st g1,(g4) + +Lcase_1_zwloop: # zero word loop + cmpi g2,4 # check for fewer than four bytes to move + addo 4,g4,g4 # pre-increment dest addr + bl.f Lcase_1_cloop.b # branch if fewer than four bytes to copy + subo 4,g2,g2 # decrease max_byte count by the 4 bytes moved + st g14,(g4) # store word in dest string + b Lcase_1_zwloop + +Lcase_3: # src is word aligned; dest is not + addo 8,g4,g4 # move dest word ptr to first word boundary + lda (g0),g1 # copy dest byte ptr + mov LSW,MSW # make copy of first word of src + lda 32,g14 # initialize shift count to zero (mod 32) + +Lcase_25: +Lcase_3_cloop_at_start: # character copying loop for start of dest str + cmpdeci 0,g2,g2 # is max_bytes exhausted? +#if __i960_BIG_ENDIAN__ + shro 24,MSW,g5 # extract next char +#else + and g5,MSW,g5 # extract next char +#endif + be.f Lexit_code # Lexit if max_bytes is exhausted + cmpo 0,g5 # check for null byte + stob g5,(g1) # store the byte in dest + addo 1,g1,g1 # post-increment dest ptr + lda 0xff,g5 # re-initialize byte extraction mask + bne.t 1f # drop thru if null byte reached (to pad) + movl 0,g6 # blank out remainder of input buffer +1: + cmpo g1,g4 # have we reached word boundary in dest yet? +#if __i960_BIG_ENDIAN__ + lda -8(g14),g14 # augment the shift counter + rotate 8,MSW,MSW # move next byte into position for extraction +#else + lda 8(g14),g14 # augment the shift counter + shro 8,MSW,MSW # move next byte into position for extraction +#endif + bne.t Lcase_3_cloop_at_start # branch if reached word boundary? + + ld (g3),MSW # fetch msw of operand for double shift + +Lcase_4: + +#if __i960_BIG_ENDIAN__ + cmpobne 0,g14,Lcase_3_wloop # branch if src is still unaligned. + +Lcase_3_wloop2: + cmpi g2,4 # less than four bytes to move? + lda (LSW),g1 # extract 4 bytes of src + lda 4(g3),g3 # post-increment src word addr + bl.f Lcase_3_cloop.a # branch if < four bytes left to move + scanbyte 0,g1 # check for null byte + lda (MSW),LSW # move msw to lsw + subi 4,g2,g2 # decrease max_byte count by the 4 bytes moved + ld (g3),MSW # pre-fetch msw of operand for double shift + bo.f Lcase_3_cloop.c # branch if word contains null byte + st g1,(g4) # store 4 bytes to dest + addo 4,g4,g4 # post-increment dest ptr + b Lcase_3_wloop2 + +#endif + +Lcase_3_wloop: + cmpi g2,4 # less than four bytes to move? + eshro g14,g6,g1 # extract 4 bytes of src + lda 4(g3),g3 # post-increment src word addr + bl.f Lcase_3_cloop.a # branch if < four bytes left to move + scanbyte 0,g1 # check for null byte + lda (MSW),LSW # move msw to lsw + subi 4,g2,g2 # decrease max_byte count by the 4 bytes moved + ld (g3),MSW # pre-fetch msw of operand for double shift + bo.f Lcase_3_cloop.c # branch if word contains null byte + st g1,(g4) # store 4 bytes to dest + addo 4,g4,g4 # post-increment dest ptr + b Lcase_3_wloop + +Lcase_245: + cmpo g0,g4 # check alignment of dest + ld (g3),MSW # pre-fetch second half + and 3,g1,g1 # compute shift count + lda 0xff,g5 # load mask for byte extraction +#if __i960_BIG_ENDIAN__ + subo g1,4,g14 # adjust shift count for big endian. + shlo 3,g14,g14 +#else + shlo 3,g1,g14 +#endif + be.t Lcase_4 # branch if dest is word aligned + or g4,g1,g1 # is src earlier in word, later, or sync w/ dst + cmpo g0,g1 # < indicates first word of dest has more bytes + /* than first word of source. */ + lda 4(g4),g4 # move dest word addr to first word boundary + eshro g14,g6,g5 # extract four bytes + lda (g0),g1 + bg.f 1f + mov MSW,LSW + lda 4(g3),g3 # move src word addr to second word boundary +1: + mov g5,MSW + lda 0xff,g5 + b Lcase_25 + +/* end of strncpy */ +

strncpy_ca.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: Makefile.am =================================================================== --- Makefile.am (nonexistent) +++ Makefile.am (revision 345) @@ -0,0 +1,16 @@ +## Process this file with automake to generate Makefile.in + +AUTOMAKE_OPTIONS = cygnus + +INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS) + +AM_CCASFLAGS = $(INCLUDES) + +noinst_LIBRARIES = lib.a + +lib_a_SOURCES = +lib_a_CCASFLAGS=$(AM_CCASFLAGS) +lib_a_CFLAGS=$(AM_CFLAGS) + +ACLOCAL_AMFLAGS = -I ../../.. -I ../../../.. +CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host

Makefile.am Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strchr_ca.S =================================================================== --- strchr_ca.S (nonexistent) +++ strchr_ca.S (revision 345) @@ -0,0 +1,152 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "strch_ca.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ + +/* + procedure strchr (optimized assembler version for the CA) + + src_addr = strchr (src_addr, char) + + return a pointer to the first byte that contains the indicated + byte in the source string. Return null if the byte is not found. + + Undefined behavior will occur if the end of the source string (i.e. + the terminating null byte) is in the last two words of the program's + allocated memory space. This is so because, in several cases, strchr + will fetch ahead. Disallowing the fetch ahead would impose a severe + performance penalty. + + This program handles two cases: + + 1) the argument starts on a word boundary + 2) the argument doesn't start on a word boundary + + At the time of this writing, only g0 thru g7 and g13 are available + for use in this leafproc; other registers would have to be saved and + restored. These nine registers, plus tricky use of g14 are sufficient + to implement the routine. The registers are used as follows: + + g0 src ptr; upon return it is a pointer to the matching byte, or null + g1 char to seek + g2 mask to avoid unimportant bytes in first word + g3 char to seek, broadcast to all four bytes + g4 word of the source string + g5 copy of the word + g6 extracted character + g7 byte extraction mask + g13 return address + g14 +*/ + + .globl _strchr + .globl __strchr + .leafproc _strchr, __strchr + .align 2 +_strchr: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__strchr: + + lda 0xff,g7 # byte extraction mask + and g1,g7,g1 # make char an 8-bit ordinal + shlo 8,g1,g2 # broadcast the char to four bytes + or g1,g2,g2 + shlo 16,g2,g4 + cmpo g1,g7 # is char being sought 0xff? + or g4,g2,g3 + lda (g14),g13 # preserve return address + notand g0,3,g5 # extract word addr of start of src + lda 0,g14 # conform to register linkage standard + and g0,3,g6 # extract byte offset of src + ld (g5),g4 # fetch word containing at least first byte + shlo 3,g6,g6 # get shift count for making mask for first word + lda 4(g5),g0 # post-increment src word pointer + subi 1,0,g5 # mask initially all ones +#if __i960_BIG_ENDIAN__ + shro g6,g5,g5 # get mask for bytes needed from first word +#else + shlo g6,g5,g5 # get mask for bytes needed from first word +#endif + notor g4,g5,g4 # set unneeded bytes to all ones + be.f Lsearch_for_0xff # branch if seeking 0xff + +Lsearch_for_word_with_char_or_null: + scanbyte g3,g4 # check for byte with char + lda (g4),g5 # copy word + ld (g0),g4 # fetch next word of src + bo.f Lsearch_for_char # branch if null found + scanbyte 0,g5 # check for null byte + lda 4(g0),g0 # post-increment src word pointer + bno.t Lsearch_for_word_with_char_or_null # branch if not null + +Lnot_found: + mov 0,g0 # char not found. Return null +Lexit_code: + bx (g13) # g0 = addr of char in src (or null); g14 = 0 +Lrett: + ret + +Lsearch_for_char: + subo 5,g0,g0 # back up the byte pointer +Lsearch_for_char.a: +#if __i960_BIG_ENDIAN__ + rotate 8,g5,g5 # shift word to position next byte +#endif + and g5,g7,g6 # extract byte + cmpo g1,g6 # is it char? + lda 1(g0),g0 # bump src byte ptr +#if ! __i960_BIG_ENDIAN__ + shro 8,g5,g5 # shift word to position next byte +#endif + be.f Lexit_code + cmpobne.t 0,g6,Lsearch_for_char.a # quit if null comes before char + b Lnot_found + +Lsearch_for_0xff: + lda 0xf0f0f0f0,g2 # make first comparison mask for char=-1 case. + or g5,g2,g2 + and g4,g2,g4 # make unimportant bytes of first word 0x0f + b Lsearch_for_word_with_char_or_null + +/* end of strchr */ +

strchr_ca.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: memchr.S =================================================================== --- memchr.S (nonexistent) +++ memchr.S (revision 345) @@ -0,0 +1,130 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "memchr.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ + +/* + procedure memchr (optimized assembler version for the 80960K series) + + src_addr = memchr (src_addr, char, max_bytes) + + searching from src_addr for a span of max_bytes bytes, return a + pointer to the first byte in the source array that contains the + indicated char. Return null if the char is not found. + + Undefined behavior will occur if the last byte of the source array + is in the last two words of the program's allocated memory space. + This is so because memchr fetches ahead. Disallowing the fetch + ahead would impose a severe performance penalty. + + Strategy: + + Fetch the source array by words and scanbyte the words for the + char until either a word with the byte is found or max_bytes is + exhausted. In the former case, move through the word to find the + matching byte and return its memory address. In the latter case, + return zero (null). + + Tactics: + + 1) Do NOT try to fetch the words in a word aligned manner because, + in my judgement, the performance degradation experienced due to + non-aligned accesses does NOT outweigh the time and complexity added + by the preamble that would be necessary to assure alignment. This + is supported by the intuition that most source arrays (even more + true of most big source arrays) will be word aligned to begin with. + + 2) Rather than decrementing max_bytes to zero, I calculate the + address of the byte after the last byte of the source array, and + quit when the source byte pointer passes that. Refining, actually + I calculate the address of the fifth byte after the last byte of + the source array, because the source byte pointer is ahead of the + actual examination point due to fetch ahead. +*/ + + .globl _memchr + .globl __memchr + .leafproc _memchr, __memchr + .align 2 +_memchr: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif +__memchr: + + mov g14,g13 # preserve return address + lda 0xff,g7 # byte extraction mask + and g1,g7,g1 # make char an 8-bit ordinal + mov 0,g14 # conform to register linkage standard + cmpibge 0,g2,Lnot_found # do nothing if max_bytes <= 0 + addo 4,g0,g6 # post-increment src word pointer + addo g2,g6,g2 # compute ending address from start and len + ld (g0),g4 # fetch first word + shlo 8,g1,g3 # broadcast the char to four bytes + or g1,g3,g3 + shlo 16,g3,g5 + or g3,g5,g3 + +Lsearch_for_word_with_char: + mov g4,g5 # keep a copy of word + scanbyte g3,g5 # check for byte with char + ld (g6),g4 # fetch next word of src + bo Lsearch_for_char # branch if null found + addo 4,g6,g6 # post-increment src word pointer + cmpobge g2,g6,Lsearch_for_word_with_char # branch if max_bytes > 3 + +Lnot_found: + mov 0,g0 # char not found. Return null + bx (g13) # g0 = addr of char in src (or null); g14 = 0 +Lrett: + ret + +Lsearch_for_char: + cmpobe.f g6,g2,Lnot_found # quit if max_bytes exhausted + and g5,g7,g0 # extract byte + cmpo g1,g0 # is it char? + addo 1,g6,g6 # bump src byte ptr + shro 8,g5,g5 # shift word to position next byte + bne.t Lsearch_for_char + subo 5,g6,g0 # back up the byte pointer + bx (g13) + +/* end of memchr */

memchr.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: strcmp_ca.S =================================================================== --- strcmp_ca.S (nonexistent) +++ strcmp_ca.S (revision 345) @@ -0,0 +1,246 @@ +/******************************************************************************* + * + * Copyright (c) 1993 Intel Corporation + * + * Intel hereby grants you permission to copy, modify, and distribute this + * software and its documentation. Intel grants this permission provided + * that the above copyright notice appears in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. In addition, Intel grants this permission provided that + * you prominently mark as "not part of the original" any modifications + * made to this software or documentation, and that the name of Intel + * Corporation not be used in advertising or publicity pertaining to + * distribution of the software or the documentation without specific, + * written prior permission. + * + * Intel Corporation provides this AS IS, WITHOUT ANY WARRANTY, EXPRESS OR + * IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY + * OR FITNESS FOR A PARTICULAR PURPOSE. Intel makes no guarantee or + * representations regarding the use of, or the results of the use of, + * the software and documentation in terms of correctness, accuracy, + * reliability, currentness, or otherwise; and you rely on the software, + * documentation and results solely at your own risk. + * + * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY LOSS OF USE, LOSS OF BUSINESS, + * LOSS OF PROFITS, INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES + * OF ANY KIND. IN NO EVENT SHALL INTEL'S TOTAL LIABILITY EXCEED THE SUM + * PAID TO INTEL FOR THE PRODUCT LICENSED HEREUNDER. + * + ******************************************************************************/ + + .file "strcm_ca.s" +#ifdef __PIC + .pic +#endif +#ifdef __PID + .pid +#endif +/* + * (c) copyright 1988,1993 Intel Corp., all rights reserved + */ + +/* + procedure strcmp (optimized assembler version for the CA) + + result = strcmp (src1_addr, src2_addr) + + compare the null terminated string pointed to by src1_addr to + the string space pointed to by src2_addr. Return 0 iff the strings + are equal, -1 if src1_addr is lexicly less than src2_addr, and 1 + if it is lexicly greater. + + Undefined behavior will occur if the end of either source string + (i.e. the terminating null byte) is in the last word of the program's + allocated memory space. This is so because, in several cases, strcmp + will fetch ahead one word. Disallowing the fetch ahead would impose + a severe performance penalty. + + This program handles five cases: + + 1) both arguments start on a word boundary + 2) neither are word aligned, but they are offset by the same amount + 3) source1 is word aligned, source2 is not + 4) source2 is word aligned, source1 is not + 5) neither is word aligned, and they are offset by differing amounts + + At the time of this writing, only g0 thru g7 and g14 are available + for use in this leafproc; other registers would have to be saved and + restored. These nine registers are sufficient to implement the routine. + The registers are used as follows: + + g0 original src1 ptr; return result + g1 src2 ptr; 0xff -- byte extraction mask + g2 src1 word ptr + g3 src2 word ptr + Little endian: + g4 lsw of src1 + g5 msw of src1 + g6 src2 word + g7 extracted src1 + Big endian: + g4 msw of src1 + g5 lsw of src1 + g6 extracted src1 + g7 src2 word + g13 return address + g14 shift count +*/ + +#if __i960_BIG_ENDIAN__ +#define MSW g4 +#define LSW g5 +#define SRC1 g6 +#define SRC2 g7 +#else +#define LSW g4 +#define MSW g5 +#define SRC2 g6 +#define SRC1 g7 +#endif + + .globl _strcmp + .globl __strcmp + .leafproc _strcmp, __strcmp + .align 2 +_strcmp: +#ifndef __PIC + lda Lrett,g14 +#else + lda Lrett-(.+8)(ip),g14 +#endif + +__strcmp: +Lrestart: + notand g0,3,g2 # extract word addr of start of src1 + lda (g14),g13 # preserve return address +#if __i960_BIG_ENDIAN__ + cmpo g0,g2 # check alignment of src1 +#endif + ld (g2),LSW # fetch word with at least first byte of src1 + notand g1,3,g3 # extract word addr of start of src2 + ld 4(g2),MSW # fetch second word of src1 +#if __i960_BIG_ENDIAN__ + bne Lsrc1_unaligned # branch if src1 is unaligned + cmpo g3,g1 # check alignment of src2 + ld (g3),SRC2 # fetch word with at least first byte of src2 + mov LSW,SRC1 # extract word of src1 + lda 8(g2),g2 # advance src1 word addr + bne.f Lsrc2_unaligned # branch if src2 is NOT word aligned + + /* src2 is word aligned */ + +Lwloop2: # word comparing loop + cmpo SRC2,SRC1 # compare src1 and src2 words + lda 0xff000000,g1 # byte extraction mask + mov MSW,LSW # move msw of src1 to lsw + ld (g2),MSW # pre-fetch next msw of src1 + addo 4,g2,g2 # post-increment src1 addr + lda 4(g3),g3 # pre-increment src2 addr + bne.f Lcloop # branch if src1 and src2 unequal + scanbyte 0,SRC1 # check for null byte in src1 word + ld (g3),SRC2 # pre-fetch next word of src2 + mov LSW,SRC1 # extract word of src1 + lda 0,g0 # prepare to return zero, indicating equality + bno.t Lwloop2 # branch if null byte not encountered + + /* words were equal and contained null byte */ + + mov 0,g14 # conform to register conventions + bx (g13) # return + + +Lsrc1_unaligned: +#endif + cmpo g3,g1 # check alignment of src2 + ld (g3),SRC2 # fetch word with at least first byte of src2 + shlo 3,g0,g14 # compute shift count for src1 +#if __i960_BIG_ENDIAN__ + subo g14,0,g14 # 32 - shift count for big endian. +#endif + eshro g14,g4,SRC1 # extract word of src1 + lda 8(g2),g2 # advance src1 word addr + bne.f Lsrc2_unaligned # branch if src2 is NOT word aligned + + /* at least src2 is word aligned */ + +Lwloop: # word comparing loop + cmpo SRC2,SRC1 # compare src1 and src2 words +#if __i960_BIG_ENDIAN__ + lda 0xff000000,g1 # byte extraction mask +#else + lda 0xff,g1 # byte extraction mask +#endif + mov MSW,LSW # move msw of src1 to lsw + ld (g2),MSW # pre-fetch next msw of src1 + addo 4,g2,g2 # post-increment src1 addr + lda 4(g3),g3 # pre-increment src2 addr + bne.f Lcloop # branch if src1 and src2 unequal + scanbyte 0,SRC1 # check for null byte in src1 word + ld (g3),SRC2 # pre-fetch next word of src2 + eshro g14,g4,SRC1 # extract word of src1 + lda 0,g0 # prepare to return zero, indicating equality + bno.t Lwloop # branch if null byte not encountered + + /* words were equal and contained null byte */ + + mov 0,g14 # conform to register conventions + bx (g13) # return + +Lcloop_setup: # setup for coming from Lsrc2_unaligned + mov LSW,SRC1 # restore extracted src1 word +#if __i960_BIG_ENDIAN__ + lda 0xff000000,g1 # byte extraction mask +#else + lda 0xff,g1 # byte extraction mask +#endif + +Lcloop: # character comparing loop + and SRC2,g1,g3 # extract next char of src2 + and SRC1,g1,g0 # extract next char of src1 + cmpobne.f g0,g3,.diff # check for equality + cmpo 0,g0 # check for null byte +#if __i960_BIG_ENDIAN__ + shro 8,g1,g1 # shift mask for next byte +#else + shlo 8,g1,g1 # shift mask for next byte +#endif + bne.t Lcloop # branch if null not reached + + /* words are equal up thru null byte */ + + mov 0,g14 + bx (g13) # g0 = 0 (src1 == src2) +Lrett: + ret + +.diff: + mov 0,g14 + bl Lless_than_exit +Lgreater_than_exit: + mov 1,g0 + bx (g13) # g0 = 1 (src1 > src2) +Lless_than_exit: + subi 1,0,g0 + bx (g13) # g0 = -1 (src1 < src2) + +Lsrc2_unaligned: + mov SRC1,LSW # retain src1 extracted word + ld 4(g3),SRC1 # fetch second word of src2 + shlo 3,g1,MSW # compute shift count for src2 +#if __i960_BIG_ENDIAN__ + subo MSW,0,MSW # 32 - shift count for big endian. +#endif + eshro MSW,g6,SRC2 # extract word of src2 + cmpo LSW,SRC2 # compare src1 and src2 words + notor g1,3,MSW # first step in computing new src1 ptr + lda 4(g3),g1 # set new src2 ptr + bne.f Lcloop_setup # first four bytes differ + scanbyte 0,LSW # check for null byte + lda (g13),g14 # prepare return pointer for Lrestart + subo MSW,g0,g0 # second (final) step in computing new src1 ptr + bno.t Lrestart # if null byte not encountered, continue + /* with both string fetches shifted such that */ + /* src2 is now word aligned. */ + mov 0,g14 # conform to register conventions. + lda 0,g0 # return indicator of equality. + bx (g13)

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