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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [rs6000/] [aix52.h] - Blame information for rev 282

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1 282 jeremybenn
/* Definitions of target machine for GNU compiler,
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   for IBM RS/6000 POWER running AIX V5.2.
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   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
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   Free Software Foundation, Inc.
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   Contributed by David Edelsohn (edelsohn@gnu.org).
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   This file is part of GCC.
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   GCC is free software; you can redistribute it and/or modify it
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   under the terms of the GNU General Public License as published
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   by the Free Software Foundation; either version 3, or (at your
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   option) any later version.
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   GCC is distributed in the hope that it will be useful, but WITHOUT
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   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
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   License for more details.
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   You should have received a copy of the GNU General Public License
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   along with GCC; see the file COPYING3.  If not see
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   <http://www.gnu.org/licenses/>.  */
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/* Sometimes certain combinations of command options do not make sense
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   on a particular target machine.  You can define a macro
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   `OVERRIDE_OPTIONS' to take account of this.  This macro, if
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   defined, is executed once just after all the command options have
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   been parsed.
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   The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
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   get control.  */
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#define NON_POWERPC_MASKS (MASK_POWER | MASK_POWER2)
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#define SUBTARGET_OVERRIDE_OPTIONS                                      \
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do {                                                                    \
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  if (TARGET_64BIT && (target_flags & NON_POWERPC_MASKS))               \
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    {                                                                   \
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      target_flags &= ~NON_POWERPC_MASKS;                               \
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      warning (0, "-maix64 and POWER architecture are incompatible");    \
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    }                                                                   \
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  if (TARGET_64BIT && ! TARGET_POWERPC64)                               \
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    {                                                                   \
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      target_flags |= MASK_POWERPC64;                                   \
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      warning (0, "-maix64 requires PowerPC64 architecture remain enabled"); \
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    }                                                                   \
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  if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128)                      \
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    {                                                                   \
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      rs6000_long_double_type_size = 64;                                \
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      if (rs6000_explicit_options.long_double)                          \
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        warning (0, "soft-float and long-double-128 are incompatible");  \
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    }                                                                   \
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  if (TARGET_POWERPC64 && ! TARGET_64BIT)                               \
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    {                                                                   \
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      error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \
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    }                                                                   \
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} while (0);
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#undef ASM_SPEC
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#define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)"
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/* Common ASM definitions used by ASM_SPEC amongst the various targets
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   for handling -mcpu=xxx switches.  */
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#undef ASM_CPU_SPEC
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#define ASM_CPU_SPEC \
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"%{!mcpu*: %{!maix64: \
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  %{mpowerpc64: -mppc64} \
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  %{!mpower64: %(asm_default)}}} \
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%{mcpu=power3: -m620} \
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%{mcpu=power4: -m620} \
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%{mcpu=power5: -m620} \
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%{mcpu=power5+: -m620} \
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%{mcpu=power6: -m620} \
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%{mcpu=power6x: -m620} \
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%{mcpu=powerpc: -mppc} \
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%{mcpu=rs64a: -mppc} \
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%{mcpu=603: -m603} \
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%{mcpu=603e: -m603} \
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%{mcpu=604: -m604} \
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%{mcpu=604e: -m604} \
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%{mcpu=620: -m620} \
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%{mcpu=630: -m620} \
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%{mcpu=970: -m620} \
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%{mcpu=G5: -m620}"
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#undef  ASM_DEFAULT_SPEC
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#define ASM_DEFAULT_SPEC "-mppc"
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#undef TARGET_OS_CPP_BUILTINS
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#define TARGET_OS_CPP_BUILTINS()     \
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  do                                 \
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    {                                \
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      builtin_define ("_AIX43");     \
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      builtin_define ("_AIX51");     \
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      builtin_define ("_AIX52");     \
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      TARGET_OS_AIX_CPP_BUILTINS (); \
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    }                                \
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  while (0)
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#undef CPP_SPEC
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#define CPP_SPEC "%{posix: -D_POSIX_SOURCE}     \
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  %{ansi: -D_ANSI_C_SOURCE}                     \
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  %{maix64: -D__64BIT__}                        \
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  %{mpe: -I%R/usr/lpp/ppe.poe/include}          \
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  %{pthread: -D_THREAD_SAFE}"
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/* The GNU C++ standard library requires that these macros be
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   defined.  Synchronize with libstdc++ os_defines.h.  */
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#undef CPLUSPLUS_CPP_SPEC
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#define CPLUSPLUS_CPP_SPEC                      \
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  "-D_ALL_SOURCE                                \
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   %{maix64: -D__64BIT__}                       \
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   %{mpe: -I%R/usr/lpp/ppe.poe/include}         \
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   %{pthread: -D_THREAD_SAFE}"
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#undef  TARGET_DEFAULT
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#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS)
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#undef  PROCESSOR_DEFAULT
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#define PROCESSOR_DEFAULT PROCESSOR_POWER4
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#undef  PROCESSOR_DEFAULT64
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#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4
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#undef  TARGET_POWER
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#define TARGET_POWER 0
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/* AIX does not support Altivec.  */
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#undef  TARGET_ALTIVEC
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#define TARGET_ALTIVEC 0
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#undef  TARGET_ALTIVEC_ABI
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#define TARGET_ALTIVEC_ABI 0
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/* Define this macro as a C expression for the initializer of an
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   array of string to tell the driver program which options are
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   defaults for this target and thus do not need to be handled
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   specially when using `MULTILIB_OPTIONS'.
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   Do not define this macro if `MULTILIB_OPTIONS' is not defined in
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   the target makefile fragment or if none of the options listed in
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   `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */
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#undef  MULTILIB_DEFAULTS
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#undef LIB_SPEC
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#define LIB_SPEC "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\
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   %{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\
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   %{!maix64:%{!shared:%{g*:-lg}}}\
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   %{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
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   %{pthread:-lpthreads} -lc"
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#undef LINK_SPEC
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#define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
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   %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\
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   %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\
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   %{mpe:-binitfini:poe_remote_main}"
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC "%{!shared:\
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   %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\
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   %{!maix64:\
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     %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
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     %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"
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/* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int".  */
163
 
164
#undef PTRDIFF_TYPE
165
#define PTRDIFF_TYPE "long int"
166
 
167
/* Type used for wchar_t, as a string used in a declaration.  */
168
#undef  WCHAR_TYPE
169
#define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int")
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171
/* Width of wchar_t in bits.  */
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#undef  WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32)
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/* AIX V5 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC
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   and "cror 31,31,31" for POWER architecture.  */
177
 
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#undef RS6000_CALL_GLUE
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#define RS6000_CALL_GLUE "{cror 31,31,31|nop}"
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181
/* AIX 4.2 and above provides initialization and finalization function
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   support from linker command line.  */
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#undef HAS_INIT_SECTION
184
#define HAS_INIT_SECTION
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#undef LD_INIT_SWITCH
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#define LD_INIT_SWITCH "-binitfini"
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/* AIX 5.2 has the float and long double forms of math functions.  */
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#undef TARGET_C99_FUNCTIONS
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#define TARGET_C99_FUNCTIONS  1
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193
#ifndef _AIX52
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extern long long int    atoll(const char *);
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#endif
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/* This target uses the aix64.opt file.  */
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#define TARGET_USES_AIX64_OPT 1
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/* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION,
201
   but does not have crtbegin/end.  */
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#define TARGET_USE_JCR_SECTION 0
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#define TARGET_AIX_VERSION 52

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