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| author | Jim Wilson <wilson@gcc.gnu.org> | 1997-04-30 16:53:13 -0700 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 1997-04-30 16:53:13 -0700 |
| commit | 6b857f0460ca28109ba3ad77272a4e2b33e1c710 (patch) | |
| tree | 836312867f39d8a4c0e9281be5f3bca9fb9fc156 /gcc/unroll.c | |
| parent | 516dd80f5c10c865107ddd49371094894720e9eb (diff) | |
| download | gcc-6b857f0460ca28109ba3ad77272a4e2b33e1c710.zip gcc-6b857f0460ca28109ba3ad77272a4e2b33e1c710.tar.gz gcc-6b857f0460ca28109ba3ad77272a4e2b33e1c710.tar.bz2 | |
(set_dominates_use): In second loop, add check for copy_end.
From-SVN: r13997
Diffstat (limited to 'gcc/unroll.c')
| -rw-r--r-- | gcc/unroll.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/unroll.c b/gcc/unroll.c index 2ab6b2a..2f9d969 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -3617,6 +3617,10 @@ set_dominates_use (regno, first_uid, last_uid, copy_start, copy_end) can not be sure that FIRST_UID dominates LAST_UID. */ if (GET_CODE (p) == CODE_LABEL) return 0; + /* Could not find LAST_UID, but we reached the end of the loop, so + it must be safe. */ + else if (p == copy_end) + return 1; p = NEXT_INSN (p); } |