+2003-03-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ PR optimization/9387
+ * function.c (thread_prologue_and_epilogue_insns): Use redirect_jump
+ for conditional returns.
+
2003-03-14 Jason Merrill <jason@redhat.com>
PR optimization/6871
that with a conditional return instruction. */
else if (condjump_p (jump))
{
- rtx ret, *loc;
-
- ret = SET_SRC (PATTERN (jump));
- if (GET_CODE (XEXP (ret, 1)) == LABEL_REF)
- loc = &XEXP (ret, 1);
- else
- loc = &XEXP (ret, 2);
- ret = gen_rtx_RETURN (VOIDmode);
-
- if (! validate_change (jump, loc, ret, 0))
+ if (! redirect_jump (jump, 0, 1))
continue;
- if (JUMP_LABEL (jump))
- LABEL_NUSES (JUMP_LABEL (jump))--;
/* If this block has only one successor, it both jumps
and falls through to the fallthru block, so we can't