diff options
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/flow.c | 6 |
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e8c7eea..6e5858d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ 2001-08-21 Richard Henderson <rth@redhat.com> + * flow.c (flow_find_cross_jump): Don't consider unconditional + return insns for commoning. + * final.c (compute_alignments): Fix typo. * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults. @@ -3484,10 +3484,12 @@ flow_find_cross_jump (mode, bb1, bb2, f1, f2) need to be compared for equivalence, which we'll do below. */ i1 = bb1->end; - if (onlyjump_p (i1)) + if (onlyjump_p (i1) + || (returnjump_p (i1) && !side_effects_p (PATTERN (i1)))) i1 = PREV_INSN (i1); i2 = bb2->end; - if (onlyjump_p (i2)) + if (onlyjump_p (i2) + || (returnjump_p (i2) && !side_effects_p (PATTERN (i2)))) i2 = PREV_INSN (i2); last1 = afterlast1 = last2 = afterlast2 = NULL_RTX; |