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| author | Anatoly Sokolov <aesok@post.ru> | 2008-07-09 17:43:11 +0400 |
|---|---|---|
| committer | Anatoly Sokolov <aesok@gcc.gnu.org> | 2008-07-09 17:43:11 +0400 |
| commit | dbc42c44d87ef1031c3f649436df02fbcdbcc3c6 (patch) | |
| tree | 1e2b360a3708a9b833a49b11cda5009cb7f10ed9 /gcc/target.h | |
| parent | 28f16d05a00d360b76f3c48ac739bcab22fb1418 (diff) | |
| download | gcc-dbc42c44d87ef1031c3f649436df02fbcdbcc3c6.tar.gz | |
target.h (struct gcc_target): Add hard_regno_scratch_ok field.
* target.h (struct gcc_target): Add hard_regno_scratch_ok field.
* target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New.
(TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK.
* targhooks.c (default_hard_regno_scratch_ok): New function.
* targhooks.h (default_hard_regno_scratch_ok): Declare function.
* doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook.
* recog.c: Include "target.h".
(peep2_find_free_register): Add check for global regs. Add target
specific check.
* Makefile.in (recog.o): Depend on target.h.
From-SVN: r137657
Diffstat (limited to 'gcc/target.h')
| -rw-r--r-- | gcc/target.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/target.h b/gcc/target.h index 11852430c8d..d1642ef9497 100644 --- a/gcc/target.h +++ b/gcc/target.h @@ -872,6 +872,10 @@ struct gcc_target but will be later. */ void (* instantiate_decls) (void); + /* Return true if is OK to use a hard register REGNO as scratch register + in peephole2. */ + bool (* hard_regno_scratch_ok) (unsigned int regno); + /* Functions specific to the C family of frontends. */ struct c { /* Return machine mode for non-standard suffix |