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| author | Doug Evans <dje@gnu.org> | 1993-09-24 19:45:44 +0000 |
|---|---|---|
| committer | Doug Evans <dje@gnu.org> | 1993-09-24 19:45:44 +0000 |
| commit | 7b0957a710e21a7213256dbfb8509d42ef601680 (patch) | |
| tree | bd200bf5c5b2f40feafa39f68240a19a23842814 | |
| parent | e408ec359112b9478da4886ca47bceb65dadc6d2 (diff) | |
| download | gcc-7b0957a710e21a7213256dbfb8509d42ef601680.zip gcc-7b0957a710e21a7213256dbfb8509d42ef601680.tar.gz gcc-7b0957a710e21a7213256dbfb8509d42ef601680.tar.bz2 | |
global.c: (global_alloc): Make sure that it is always possible to eliminate...
* global.c: (global_alloc): Make sure that it is always possible to
eliminate FRAME_POINTER_REGNUM into HARD_FRAME_POINTER_REGNUM.
From-SVN: r5458
| -rw-r--r-- | gcc/global.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/global.c b/gcc/global.c index 967526e..1a9158a 100644 --- a/gcc/global.c +++ b/gcc/global.c @@ -302,10 +302,14 @@ global_alloc (file) SET_HARD_REG_BIT (eliminable_regset, eliminables[i].from); if (! CAN_ELIMINATE (eliminables[i].from, eliminables[i].to) - || (eliminables[i].from == FRAME_POINTER_REGNUM + || (eliminables[i].from == HARD_FRAME_POINTER_REGNUM && (! flag_omit_frame_pointer || FRAME_POINTER_REQUIRED))) SET_HARD_REG_BIT (no_global_alloc_regs, eliminables[i].from); } +#if FRAME_POINTER_REGNUM != HARD_FRAME_POINTER_REGNUM + if (!flag_omit_frame_pointer || FRAME_POINTER_REQUIRED) + SET_HARD_REG_BIT (no_global_alloc_regs, HARD_FRAME_POINTER_REGNUM); +#endif #else SET_HARD_REG_BIT (eliminable_regset, FRAME_POINTER_REGNUM); |