[FFmpeg-devel] [PATCH 1/9] configure: [loongson] revert no-expensive-optimizations

[Shiyou Yin]

>-----Original Message-----
>From: ffmpeg-devel-bounces at ffmpeg.org [mailto:ffmpeg-devel-bounces at ffmpeg.org] On Behalf Of
>Shiyou Yin
>Sent: Thursday, July 12, 2018 8:44 PM
>To: ffmpeg-devel at ffmpeg.org
>Subject: [FFmpeg-devel] [PATCH 1/9] configure: [loongson] revert no-expensive-optimizations
>
>The bug in  gcc-4.9.x has been fixed in gcc master branch.
>Loongson released gcc-4.9.3-3.fc21.loongson with this patch.
>More bug info see:
>https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67736
>https://gcc.gnu.org/ml/gcc-patches/2012-05/msg00401.html
>
>Change-Id: I780125d4cdee71d40457aaee22126ba0547a2c8f
>Signed-off-by: Shiyou Yin <yinshiyou-hf at loongson.cn>
>---
> configure | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
>diff --git a/configure b/configure
>index b1a4dcf..17a7ea9 100755
>--- a/configure
>+++ b/configure
>@@ -4789,13 +4789,13 @@ elif enabled mips; then
>                 disable mipsdspr2
>                 case $cpu in
>                     loongson3*)
>-                        cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
>+                        cpuflags="-march=loongson3a -mhard-float"
>                     ;;
>                     loongson2e)
>-                        cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
>+                        cpuflags="-march=loongson2e -mhard-float"
>                     ;;
>                     loongson2f)
>-                        cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
>+                        cpuflags="-march=loongson2f -mhard-float"
>                     ;;
>                 esac
>             ;;
>--
>2.1.0
>

Hi Michael, could you please help to apply this patch. It has been tested on loongson platform.