(relax_delay_slots): When invert a conditional jump over a single
unconditional jump, invert the INSN_FROM_TARGET_P bit of insns in the
delay slots.
From-SVN: r8452
if (invert_jump (delay_insn, label))
{
+ int i;
+
+ /* Must update the INSN_FROM_TARGET_P bits now that
+ the branch is reversed, so that mark_target_live_regs
+ will handle the delay slot insn correctly. */
+ for (i = 1; i < XVECLEN (PATTERN (insn), 0); i++)
+ {
+ rtx slot = XVECEXP (PATTERN (insn), 0, i);
+ INSN_FROM_TARGET_P (slot) = ! INSN_FROM_TARGET_P (slot);
+ }
+
delete_insn (next);
next = insn;
}