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authorKito Cheng <kito@0xlab.org>2014-08-24 02:52:46 +0000
committerChung-Ju Wu <jasonwucj@gcc.gnu.org>2014-08-24 02:52:46 +0000
commitef24330ddfb1206a90cf44bdda2d941abc05d5d3 (patch)
tree876929a915d59c4c5cd72a5c23aa427680d8f595 /gcc/regs.h
parent3447fefe74d4f1f1c08698f04123a9c699c47f71 (diff)
downloadgcc-ef24330ddfb1206a90cf44bdda2d941abc05d5d3.tar.gz
Remove CALLER_SAVE_PROFITABLE since it is not used at present.
* system.h (CALLER_SAVE_PROFITABLE): Poison. * regs.h (CALLER_SAVE_PROFITABLE): Remove. * doc/tm.texi.in (CALLER_SAVE_PROFITABLE): Remove. * doc/tm.texi: Regenerate. From-SVN: r214405
Diffstat (limited to 'gcc/regs.h')
-rw-r--r--gcc/regs.h8
1 files changed, 0 insertions, 8 deletions
diff --git a/gcc/regs.h b/gcc/regs.h
index be81db46a7e..36e803ddaa6 100644
--- a/gcc/regs.h
+++ b/gcc/regs.h
@@ -214,14 +214,6 @@ extern short *reg_renumber;
extern int caller_save_needed;
-/* Predicate to decide whether to give a hard reg to a pseudo which
- is referenced REFS times and would need to be saved and restored
- around a call CALLS times. */
-
-#ifndef CALLER_SAVE_PROFITABLE
-#define CALLER_SAVE_PROFITABLE(REFS, CALLS) (4 * (CALLS) < (REFS))
-#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, MODE) \