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| author | J"orn Rennecke <amylaar@cygnus.co.uk> | 1999-01-29 14:36:59 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 1999-01-29 14:36:59 +0000 |
| commit | 5310566c09b16e37a1db3ea358f03e3efef7ee46 (patch) | |
| tree | 50de91276a976112728f7e29605355b73357f423 | |
| parent | 96df87b8f6828d819eee23414505ec2735074985 (diff) | |
| download | gcc-5310566c09b16e37a1db3ea358f03e3efef7ee46.zip gcc-5310566c09b16e37a1db3ea358f03e3efef7ee46.tar.gz gcc-5310566c09b16e37a1db3ea358f03e3efef7ee46.tar.bz2 | |
* loop.c (recombine_givs): Don't try to derive givs that have combined.
From-SVN: r24906
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/loop.c | 11 |
2 files changed, 8 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3e9552c..476d746 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (recombine_givs): Don't try to derive givs that have combined. + Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__, @@ -7272,16 +7272,13 @@ recombine_givs (bl, loop_start, loop_end, unroll_p) rtx sum; v = giv_array[stats[i].giv_number]; - if (v->giv_type != DEST_REG || v->derived) + if (v->giv_type != DEST_REG || v->derived || v->same) continue; if (! last_giv) { - if (! v->same) - { - last_giv = v; - life_start = stats[i].start_luid; - life_end = stats[i].end_luid; - } + last_giv = v; + life_start = stats[i].start_luid; + life_end = stats[i].end_luid; continue; } /* Use unsigned arithmetic to model loop wrap around. */ |