Mercurial > hg > CbC > CbC_gcc
diff gcc/config/mips/sdemtk.h @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
parents | |
children | 77e2b8dfacca |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/config/mips/sdemtk.h Fri Jul 17 14:47:48 2009 +0900 @@ -0,0 +1,115 @@ +/* Definitions of target machine for GNU compiler. + MIPS SDE version, for use with the SDE C library rather than newlib. + Copyright (C) 2007, 2008 + Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#define TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + builtin_assert ("system=sde"); \ + builtin_assert ("system=posix"); \ + builtin_define ("__SDE_MIPS__"); \ + \ + /* Deprecated: use __mips_isa_rev >= 2. */ \ + if (ISA_MIPS32R2) \ + builtin_define ("__mipsr2"); \ + \ + /* Deprecated: use __mips_fpr == 64. */ \ + if (TARGET_FLOAT64) \ + builtin_define ("__mipsfp64"); \ + \ + if (TARGET_NO_FLOAT) \ + { \ + builtin_define ("__NO_FLOAT"); \ + builtin_define ("__mips_no_float"); \ + } \ + else if (TARGET_SOFT_FLOAT_ABI) \ + builtin_define ("__SOFT_FLOAT"); \ + else if (TARGET_SINGLE_FLOAT) \ + builtin_define ("__SINGLE_FLOAT"); \ + \ + if (TARGET_BIG_ENDIAN) \ + { \ + builtin_assert ("endian=big"); \ + builtin_assert ("cpu=mipseb"); \ + } \ + else \ + { \ + builtin_assert ("endian=little"); \ + builtin_assert ("cpu=mipsel"); \ + } \ + } \ + while (0) + +#undef SUBTARGET_OVERRIDE_OPTIONS +#define SUBTARGET_OVERRIDE_OPTIONS \ + do \ + { \ + if (TARGET_NO_FLOAT) \ + { \ + target_flags |= MASK_SOFT_FLOAT_ABI; \ + target_flags_explicit |= MASK_SOFT_FLOAT_ABI; \ + } \ + } \ + while (0) + +/* For __clear_cache in libgcc2.c. */ +#ifdef IN_LIBGCC2 +extern void mips_sync_icache (void *beg, unsigned long len); +#undef CLEAR_INSN_CACHE +#define CLEAR_INSN_CACHE(beg, end) \ + mips_sync_icache (beg, end - beg) +#endif + +/* For mips_cache_flush_func in mips.opt. */ +#undef CACHE_FLUSH_FUNC +#define CACHE_FLUSH_FUNC "mips_sync_icache" + +/* For inline code which needs to sync the icache and dcache, + noting that the SDE library takes arguments (address, size). */ +#undef MIPS_ICACHE_SYNC +#define MIPS_ICACHE_SYNC(ADDR, SIZE) \ + emit_library_call (gen_rtx_SYMBOL_REF (Pmode, mips_cache_flush_func), \ + 0, VOIDmode, 2, ADDR, Pmode, \ + SIZE, TYPE_MODE (sizetype)) + +/* This version of _mcount does not pop 2 words from the stack. */ +#undef FUNCTION_PROFILER +#define FUNCTION_PROFILER(FILE, LABELNO) \ + { \ + fprintf (FILE, "\t.set\tnoat\n"); \ + /* _mcount treats $2 as the static chain register. */ \ + if (cfun->static_chain_decl != NULL) \ + fprintf (FILE, "\tmove\t%s,%s\n", reg_names[2], \ + reg_names[STATIC_CHAIN_REGNUM]); \ + /* MIPS16 code passes saved $ra in $v1 instead of $at. */ \ + fprintf (FILE, "\tmove\t%s,%s\n", \ + reg_names[GP_REG_FIRST + (TARGET_MIPS16 ? 3 : 1)], \ + reg_names[GP_REG_FIRST + 31]); \ + fprintf (FILE, "\tjal\t_mcount\n"); \ + fprintf (FILE, "\t.set\tat\n"); \ + /* _mcount treats $2 as the static chain register. */ \ + if (cfun->static_chain_decl != NULL) \ + fprintf (FILE, "\tmove\t%s,%s\n", reg_names[STATIC_CHAIN_REGNUM], \ + reg_names[2]); \ + } + +/* ...nor does the call sequence preserve $31. */ +#undef MIPS_SAVE_REG_FOR_PROFILING_P +#define MIPS_SAVE_REG_FOR_PROFILING_P(REGNO) ((REGNO) == GP_REG_FIRST + 31)