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| author | Jeff Law <law@gcc.gnu.org> | 1998-09-30 11:21:12 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-09-30 11:21:12 -0600 |
| commit | 8d5c8167c956bc0d26fcd320e5eecbc2d376dcfe (patch) | |
| tree | 93f07283cba47ba79d733a55522f62a33876cd47 /gcc/regs.h | |
| parent | 5ae4c799f27dd83933a7c5fe7aa1f154463ddea6 (diff) | |
| download | gcc-8d5c8167c956bc0d26fcd320e5eecbc2d376dcfe.zip gcc-8d5c8167c956bc0d26fcd320e5eecbc2d376dcfe.tar.gz gcc-8d5c8167c956bc0d26fcd320e5eecbc2d376dcfe.tar.bz2 | |
regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
* regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
* caller-save.c (init_caller_save): Use it.
* tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
From-SVN: r22682
Diffstat (limited to 'gcc/regs.h')
| -rw-r--r-- | gcc/regs.h | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -211,6 +211,12 @@ extern int caller_save_needed; #define CLASS_LIKELY_SPILLED_P(CLASS) (reg_class_size[(int) (CLASS)] == 1) #endif +/* Select a register mode required for caller save of hard regno REGNO. */ +#ifndef HARD_REGNO_CALLER_SAVE_MODE +#define HARD_REGNO_CALLER_SAVE_MODE(REGNO, NREGS) \ + choose_hard_reg_mode (REGNO, NREGS) +#endif + /* Allocated in local_alloc. */ /* A list of SCRATCH rtl allocated by local-alloc. */ |