From 99ab664ff84c07dd014fe4f04b3698e80eae3041 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=91=A8=E6=99=93=E5=8B=87?= <zhouxiaoyong@loongson.cn>
Date: Wed, 15 Jul 2015 17:28:31 +0800
Subject: [PATCH] configure: loongson disable expensive optimizations in gcc O3
 optimization

With gcc-4.9.2 loongson faild in test fate-dca, this is caused by option
-fexpensive-optimizations in -O3 optimization. We disable it temporarily
before the bug been fixed up.

Signed-off-by: ZhouXiaoyong <zhouxiaoyong@loongson.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2c34389551b6ba3d90f8783806c337e387e603cd)

Conflicts:

	configure
---
 configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index 806e2e9296..cf124b7e92 100755
--- a/configure
+++ b/configure
@@ -3965,7 +3965,7 @@ elif enabled mips; then
             enable fast_cmov
             enable fast_unaligned
             disable aligned_stack
-            cpuflags="-march=loongson3a -mhard-float"
+            cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
         ;;
         generic)
             disable mips32r5