return insns for commoning.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45101
138bc75d-0d04-0410-961f-
82ee72b054a4
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.
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;