From e6812ef844ed8f05bc1564f9e4243565ca0bd38e Mon Sep 17 00:00:00 2001 From: kenner Date: Wed, 16 Nov 1994 00:33:56 +0000 Subject: (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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@8452 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/reorg.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'gcc/reorg.c') diff --git a/gcc/reorg.c b/gcc/reorg.c index ec21a350382..cd7d6528f24 100644 --- a/gcc/reorg.c +++ b/gcc/reorg.c @@ -3972,6 +3972,17 @@ relax_delay_slots (first) 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; } -- cgit v1.2.1