1 files changed, 36 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-4.9/0055-PR-rtl-optimization-61801.patch b/meta/recipes-devtools/gcc/gcc-4.9/0055-PR-rtl-optimization-61801.patch
new file mode 100644
index 0000000000..b27abdef38
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.9/0055-PR-rtl-optimization-61801.patch
@@ -0,0 +1,36 @@
+From 556537c4ad0df4cbebb74197bb2bdea75cf5dd35 Mon Sep 17 00:00:00 2001
+From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Thu, 17 Jul 2014 07:48:49 +0000
+Subject: [PATCH] 2014-07-17  Richard Biener  <rguenther@suse.de>
+
+        PR rtl-optimization/61801
+        * sched-deps.c (sched_analyze_2): For ASM_OPERANDS and
+        ASM_INPUT don't set reg_pending_barrier if it appears in a
+        debug-insn.
+
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@212739 138bc75d-0d04-0410-961f-82ee72b054a4
+
+Upstream-Status: Backport [https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61801]
+Signed-off-by: Peter A. Bigot <pab@pabigot.com>
+
+---
+ gcc/sched-deps.c | 3 ++-
+
+diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c
+index efc4223..df29bd3 100644
+--- a/gcc/sched-deps.c
++++ b/gcc/sched-deps.c
+@@ -2750,7 +2750,8 @@ sched_analyze_2 (struct deps_desc *deps, rtx x, rtx insn)
+           Consider for instance a volatile asm that changes the fpu rounding
+           mode.  An insn should not be moved across this even if it only uses
+           pseudo-regs because it might give an incorrectly rounded result.  */
+-       if (code != ASM_OPERANDS || MEM_VOLATILE_P (x))
++       if ((code != ASM_OPERANDS || MEM_VOLATILE_P (x))
++           && !DEBUG_INSN_P (insn))
+          reg_pending_barrier = TRUE_BARRIER;
+ 
+        /* For all ASM_OPERANDS, we must traverse the vector of input operands.
+-- 
+1.8.5.5
+