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| author | Dale Johannesen <dalej@apple.com> | 2002-11-04 20:06:28 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@gcc.gnu.org> | 2002-11-04 20:06:28 +0000 |
| commit | 2aff950822bee20e1398a2a528ad927740f799f8 (patch) | |
| tree | 757f262de1fc974cf8a0f7aebb26aea20afbf563 /gcc/loop.c | |
| parent | e86e721fc7b44cdd46c72f60de48af228d7df4b9 (diff) | |
| download | gcc-2aff950822bee20e1398a2a528ad927740f799f8.tar.gz | |
Fix bugs that showed up building Spec on ppc darwin.
From-SVN: r58800
Diffstat (limited to 'gcc/loop.c')
| -rw-r--r-- | gcc/loop.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/loop.c b/gcc/loop.c index 9461530e894..04f95ab4925 100644 --- a/gcc/loop.c +++ b/gcc/loop.c @@ -3273,6 +3273,13 @@ loop_invariant_p (loop, x) && REGNO (x) < FIRST_PSEUDO_REGISTER && call_used_regs[REGNO (x)]) return 0; + /* Out-of-range regs can occur when we are called from unrolling. + These have always been created by the unroller and are set in + the loop, hence are never invariant. */ + + if (REGNO (x) >= regs->num) + return 0; + if (regs->array[REGNO (x)].set_in_loop < 0) return 2; |