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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [config/] [mips/] [sde.h] - Blame information for rev 709

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1 709 jeremybenn
/* Definitions of target machine for GNU compiler.
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   MIPS SDE version.
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   Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010, 2011
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   Free Software Foundation, Inc.
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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
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public 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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#undef DRIVER_SELF_SPECS
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#define DRIVER_SELF_SPECS                                               \
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  /* Make sure a -mips option is present.  This helps us to pick        \
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     the right multilib, and also makes the later specs easier          \
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     to write.  */                                                      \
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  MIPS_ISA_LEVEL_SPEC,                                                  \
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                                                                        \
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  /* Infer the default float setting from -march.  */                   \
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  MIPS_ARCH_FLOAT_SPEC,                                                 \
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                                                                        \
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  /* If no ABI option is specified, infer one from the ISA level        \
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     or -mgp setting.  */                                               \
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  "%{!mabi=*: %{" MIPS_32BIT_OPTION_SPEC ": -mabi=32;: -mabi=n32}}",    \
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                                                                        \
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  /* Remove a redundant -mfp64 for -mabi=n32; we want the !mfp64        \
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     multilibs.  There's no need to check whether the architecture      \
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     is 64-bit; cc1 will complain if it isn't.  */                      \
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  "%{mabi=n32: %<mfp64}",                                               \
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                                                                        \
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  /* Make sure that an endian option is always present.  This makes     \
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     things like LINK_SPEC easier to write.  */                         \
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  "%{!EB:%{!EL:%(endian_spec)}}",                                       \
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                                                                        \
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  /* Configuration-independent MIPS rules.  */                          \
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  BASE_DRIVER_SELF_SPECS
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/* Use trap rather than break for all but MIPS I ISA.  Force -no-mips16,
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   so that MIPS16 assembler code requires an explicit ".set mips16".
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   Very little hand-written MIPS16 assembler exists, and some build
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   systems expect code to be assembled as non-MIPS16 even if the
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   prevailing compiler flags select -mips16.  */
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#undef SUBTARGET_ASM_SPEC
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#define SUBTARGET_ASM_SPEC "\
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%{!mips1:--trap} \
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%{mips16:-no-mips16}"
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#undef LINK_SPEC
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#define LINK_SPEC "\
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%(endian_spec) \
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%{G*} %{mips1} %{mips2} %{mips3} %{mips4} %{mips32*} %{mips64*} \
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%{shared} \
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%{mabi=n32:-melf32%{EB:b}%{EL:l}tsmipn32} \
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%{mabi=64:-melf64%{EB:b}%{EL:l}tsmip} \
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%{mabi=32:-melf32%{EB:b}%{EL:l}tsmip}"
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#undef DEFAULT_SIGNED_CHAR
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#define DEFAULT_SIGNED_CHAR 0
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/* SDE-MIPS won't ever support SDB debugging info.  */
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#undef SDB_DEBUGGING_INFO
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/* Describe how we implement __builtin_eh_return.  */
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/* At the moment, nothing appears to use more than 2 EH data registers.
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   The chosen registers must not clash with the return register ($2),
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   EH_RETURN_STACKADJ ($3), or MIPS_EPILOGUE_TEMP ($5), and they must
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   be general MIPS16 registers.  Pick $6 and $7.  */
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#undef EH_RETURN_DATA_REGNO
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#define EH_RETURN_DATA_REGNO(N) \
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  ((N) < 2 ? 7 - (N) : INVALID_REGNUM)
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/* Use $5 as a temporary for both MIPS16 and non-MIPS16.  */
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#undef MIPS_EPILOGUE_TEMP_REGNUM
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#define MIPS_EPILOGUE_TEMP_REGNUM \
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  (cfun->machine->interrupt_handler_p ? K0_REG_NUM : GP_REG_FIRST + 5)
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/* Using long will always be right for size_t and ptrdiff_t, since
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   sizeof(long) must equal sizeof(void *), following from the setting
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   of the -mlong64 option.  */
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#undef SIZE_TYPE
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#define SIZE_TYPE "long unsigned int"
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "long int"
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/* Use standard ELF-style local labels (not '$' as on early Irix).  */
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#undef LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX "."
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/* Use periods rather than dollar signs in special g++ assembler names.  */
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#define NO_DOLLAR_IN_LABEL
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/* Attach a special .ident directive to the end of the file to identify
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   the version of GCC which compiled this code.  */
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#undef IDENT_ASM_OP
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#define IDENT_ASM_OP "\t.ident\t"
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/* Output #ident string into the ELF .comment section, so it doesn't
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   form part of the load image, and so that it can be stripped.  */
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#undef ASM_OUTPUT_IDENT
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#define ASM_OUTPUT_IDENT(STREAM, STRING) \
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  fprintf (STREAM, "%s\"%s\"\n", IDENT_ASM_OP, STRING);
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/* Currently we don't support 128bit long doubles, so for now we force
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   n32 to be 64bit.  */
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#undef LONG_DOUBLE_TYPE_SIZE
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#define LONG_DOUBLE_TYPE_SIZE 64
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#ifdef IN_LIBGCC2
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#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
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#endif
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/* Force all .init and .fini entries to be 32-bit, not mips16, so that
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   in a mixed environment they are all the same mode. The crti.asm and
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   crtn.asm files will also be compiled as 32-bit due to the
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   -no-mips16 flag in SUBTARGET_ASM_SPEC above. */
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#undef CRT_CALL_STATIC_FUNCTION
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#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \
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   asm (SECTION_OP "\n\
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        .set push\n\
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        .set nomips16\n\
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        jal " USER_LABEL_PREFIX #FUNC "\n\
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        .set pop\n\
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        " TEXT_SECTION_ASM_OP);

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