diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.9/0055-PR-rtl-optimization-61801.patch')
-rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.9/0055-PR-rtl-optimization-61801.patch | 36 |
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 0000000..b27abde --- /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 + |