60 lines
1.8 KiB
Diff
60 lines
1.8 KiB
Diff
From 6eae3e637fcc22d21b51d44d61e3a9cb4825e776 Mon Sep 17 00:00:00 2001
|
|
From: Jackie Huang <jackie.huang@windriver.com>
|
|
Date: Thu, 30 Oct 2014 20:37:14 -0700
|
|
Subject: [PATCH]PR rtl-optimization/63348
|
|
|
|
PR rtl-optimization/63348
|
|
* emit-rtl.c (try_split): Do not emit extra barrier.
|
|
|
|
Note: this patch is to fix the side effect introduced by r212171 which was reported at:
|
|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63348
|
|
|
|
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@215613 138bc75d-0d04-0410-961f-82ee72b054a4
|
|
|
|
Upstream-status: Backport [https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=215613]
|
|
Signed-off-by: Baoshan Pang <baoshan.pang@windriver.com>
|
|
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
|
|
---
|
|
gcc/emit-rtl.c | 11 -----------
|
|
1 files changed, 0 insertions(+), 11 deletions(-)
|
|
|
|
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
|
|
index 4736f8d..ae69dbd 100644
|
|
--- a/gcc/emit-rtl.c
|
|
+++ b/gcc/emit-rtl.c
|
|
@@ -3422,7 +3422,6 @@ try_split (rtx pat, rtx trial, int last)
|
|
{
|
|
rtx before = PREV_INSN (trial);
|
|
rtx after = NEXT_INSN (trial);
|
|
- int has_barrier = 0;
|
|
rtx note, seq, tem;
|
|
int probability;
|
|
rtx insn_last, insn;
|
|
@@ -3441,14 +3440,6 @@ try_split (rtx pat, rtx trial, int last)
|
|
|
|
split_branch_probability = -1;
|
|
|
|
- /* If we are splitting a JUMP_INSN, it might be followed by a BARRIER.
|
|
- We may need to handle this specially. */
|
|
- if (after && BARRIER_P (after))
|
|
- {
|
|
- has_barrier = 1;
|
|
- after = NEXT_INSN (after);
|
|
- }
|
|
-
|
|
if (!seq)
|
|
return trial;
|
|
|
|
@@ -3594,8 +3585,6 @@ try_split (rtx pat, rtx trial, int last)
|
|
tem = emit_insn_after_setloc (seq, trial, INSN_LOCATION (trial));
|
|
|
|
delete_insn (trial);
|
|
- if (has_barrier)
|
|
- emit_barrier_after (tem);
|
|
|
|
/* Recursively call try_split for each new insn created; by the
|
|
time control returns here that insn will be fully split, so
|
|
--
|
|
1.7.1
|
|
|