diff options
| author | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 1994-11-16 00:33:56 +0000 |
|---|---|---|
| committer | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 1994-11-16 00:33:56 +0000 |
| commit | e6812ef844ed8f05bc1564f9e4243565ca0bd38e (patch) | |
| tree | eeea59ec6818a934db499319c58434037bd8197e /gcc/reorg.c | |
| parent | 6a5127bb8151139f1df03d9cb5feb3ea7a3bbb4a (diff) | |
| download | gcc-e6812ef844ed8f05bc1564f9e4243565ca0bd38e.tar.gz | |
(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
Diffstat (limited to 'gcc/reorg.c')
| -rw-r--r-- | gcc/reorg.c | 11 |
1 files changed, 11 insertions, 0 deletions
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; } |