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| author | Kazu Hirata <kazu@cs.umass.edu> | 2004-03-03 23:55:52 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2004-03-03 23:55:52 +0000 |
| commit | 67dfe1108e268fa9db986f628ee7b42b4901b8b6 (patch) | |
| tree | 8bbdd20f2db68edcbad7b5407da0d4c5ce549749 /gcc/config | |
| parent | dd0a905f24c159bc583a40aadedaf40a01c747bd (diff) | |
| download | gcc-67dfe1108e268fa9db986f628ee7b42b4901b8b6.zip gcc-67dfe1108e268fa9db986f628ee7b42b4901b8b6.tar.gz gcc-67dfe1108e268fa9db986f628ee7b42b4901b8b6.tar.bz2 | |
hooks.c (hook_tree_tree_identity): New.
* hooks.c (hook_tree_tree_identity): New.
* hooks.h: Add a prototype for hook_tree_tree_identity.
* stmt.c (expand_asm_operands): Use targetm.md_asm_clobbers
instead of MD_ASM_CLOBBERS.
* system.h (MD_ASM_CLOBBERS): Poison.
* target-def.h (TARGET_MD_ASM_CLOBBERS): New.
(TARGET_INITIALIZER): Add TARGET_MD_ASM_CLOBBERS.
* target.h (gcc_target): Add md_asm_clobbers.
* config/i386/i386.c (TARGET_MD_ASM_CLOBBERS): New.
(ix86_md_asm_clobbers): New.
* config/i386/i386.h (MD_ASM_CLOBBERS): Remove.
* doc/tm.texi (MD_ASM_CLOBBERS): Change to
TARGET_MD_ASM_CLOBBERS.
From-SVN: r78868
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/i386/i386.c | 21 | ||||
| -rw-r--r-- | gcc/config/i386/i386.h | 16 |
2 files changed, 21 insertions, 16 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index d90d616..2a12bd8 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -886,6 +886,7 @@ static tree ix86_handle_struct_attribute (tree *, tree, tree, int, bool *); static int extended_reg_mentioned_1 (rtx *, void *); static bool ix86_rtx_costs (rtx, int, int, int *); static int min_insn_size (rtx); +static tree ix86_md_asm_clobbers (tree clobbers); #if defined (DO_GLOBAL_CTORS_BODY) && defined (HAS_INIT_SECTION) static void ix86_svr3_asm_out_constructor (rtx, int); @@ -1027,6 +1028,9 @@ static void init_ext_80387_constants (void); #undef TARGET_BUILD_BUILTIN_VA_LIST #define TARGET_BUILD_BUILTIN_VA_LIST ix86_build_builtin_va_list +#undef TARGET_MD_ASM_CLOBBERS +#define TARGET_MD_ASM_CLOBBERS ix86_md_asm_clobbers + #undef TARGET_PROMOTE_PROTOTYPES #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_true @@ -16024,4 +16028,21 @@ ix86_expand_vector_init (rtx target, rtx vals) } } +/* Worker function for TARGET_MD_ASM_CLOBBERS. + + We do this in the new i386 backend to maintain source compatibility + with the old cc0-based compiler. */ + +static tree +ix86_md_asm_clobbers (tree clobbers) +{ + clobbers = tree_cons (NULL_TREE, build_string (5, "flags"), + clobbers); + clobbers = tree_cons (NULL_TREE, build_string (4, "fpsr"), + clobbers); + clobbers = tree_cons (NULL_TREE, build_string (7, "dirflag"), + clobbers); + return clobbers; +} + #include "gt-i386.h" diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index 3c4720a..910ab79 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -1591,22 +1591,6 @@ enum reg_class || MAYBE_MMX_CLASS_P (CLASS) \ : GET_MODE_SIZE (FROM) != GET_MODE_SIZE (TO) \ ? reg_classes_intersect_p (FLOAT_REGS, (CLASS)) : 0) - -/* A C statement that adds to CLOBBERS any hard regs the port wishes - to automatically clobber for all asms. - - We do this in the new i386 backend to maintain source compatibility - with the old cc0-based compiler. */ - -#define MD_ASM_CLOBBERS(CLOBBERS) \ - do { \ - (CLOBBERS) = tree_cons (NULL_TREE, build_string (5, "flags"), \ - (CLOBBERS)); \ - (CLOBBERS) = tree_cons (NULL_TREE, build_string (4, "fpsr"), \ - (CLOBBERS)); \ - (CLOBBERS) = tree_cons (NULL_TREE, build_string (7, "dirflag"), \ - (CLOBBERS)); \ - } while (0) /* Stack layout; function entry, exit and calling. */ |