diff options
| author | J"orn Rennecke <amylaar@cygnus.co.uk> | 1999-02-19 14:49:59 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 1999-02-19 14:49:59 +0000 |
| commit | 1cb1fe669961c25d26c1ea92c1896f51ceeef898 (patch) | |
| tree | fb2ec476871399a96596787b20690a0bf5ec2d0e /gcc/rtlanal.c | |
| parent | cea0198ed908c7377b58611eff287588808b96f8 (diff) | |
| download | gcc-1cb1fe669961c25d26c1ea92c1896f51ceeef898.zip gcc-1cb1fe669961c25d26c1ea92c1896f51ceeef898.tar.gz gcc-1cb1fe669961c25d26c1ea92c1896f51ceeef898.tar.bz2 | |
rtlanal.c (insn_first_p): Fix return value for insn == reference.
* rtlanal.c (insn_first_p): Fix return value for insn == reference.
* loop.c (strength_reduce, check_final_value, check_dbra_loop):
Use loop_insn_first_p.
From-SVN: r25321
Diffstat (limited to 'gcc/rtlanal.c')
| -rw-r--r-- | gcc/rtlanal.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index ffaad23..41744d7 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -2212,10 +2212,12 @@ insn_first_p (insn, reference) for (p = insn, q = reference; ; p = NEXT_INSN (p), q = NEXT_INSN (q)) { - if (p == reference || ! q) - return 1; + /* Start with test for not first so that INSN == REFERENCE yields not + first. */ if (q == insn || ! p) return 0; + if (p == reference || ! q) + return 1; } } |