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| author | J"orn Rennecke <amylaar@cygnus.co.uk> | 1999-02-17 09:01:07 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 1999-02-17 09:01:07 +0000 |
| commit | 079a615d28fcd5ffdc97e4206225f3ea0c411c5a (patch) | |
| tree | 769ac933795dacfcb4aad280374a0c1ad65841a8 /gcc/loop.c | |
| parent | 95ac945dc015899bcacf367d9d22282490fbc5ae (diff) | |
| download | gcc-079a615d28fcd5ffdc97e4206225f3ea0c411c5a.zip gcc-079a615d28fcd5ffdc97e4206225f3ea0c411c5a.tar.gz gcc-079a615d28fcd5ffdc97e4206225f3ea0c411c5a.tar.bz2 | |
loop.c (strength_reduce): Don't move giv insn for biv turned giv below scan_start.
* loop.c (strength_reduce): Don't move giv insn for biv turned giv
below scan_start.
From-SVN: r25264
Diffstat (limited to 'gcc/loop.c')
| -rw-r--r-- | gcc/loop.c | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -4053,6 +4053,7 @@ strength_reduce (scan_start, end, loop_top, insn_count, /* We can get better optimization if we can move the giv setting before the first giv use. */ if (dominator + && ! loop_insn_first_p (dominator, scan_start) && ! reg_set_between_p (bl2->biv->src_reg, loop_start, dominator) && ! reg_used_between_p (giv, loop_start, dominator) |