[Bug c/60902] New: ffmpeg built with gcc 4.9 RC produces incorrect flac playback code

2014-04-20 Thread arthur.marsh at internode dot on.net
Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: arthur.marsh at internode dot on.net Using the gcc-4.9 version 4.9-20140411-2 on Debian GNU/Linux amd64, I'm getting incorrect code for ffmpeg flac format decoding (same source

[Bug target/60902] ffmpeg built with gcc 4.9 RC produces incorrect flac playback code

2014-04-20 Thread arthur.marsh at internode dot on.net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60902 --- Comment #2 from Arthur Marsh --- Created attachment 32637 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32637&action=edit config.mak produced by ./configure --cc=gcc-4.9 --host-cc=gcc-4.9 --dep-cc=gcc-4.9

[Bug target/60902] ffmpeg built with gcc 4.9 RC produces incorrect flac playback code

2014-04-20 Thread arthur.marsh at internode dot on.net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60902 --- Comment #3 from Arthur Marsh --- I've attached the config.mak produced by ./configure --cc=gcc-4.9 --host-cc=gcc-4.9 --dep-cc=gcc-4.9 The CFLAGS from config.mak: CFLAGS= -std=c99 -fomit-frame-pointer -pthread -D_GNU_SOURCE=1 -D_REENTRANT -

[Bug target/60902] ffmpeg built with gcc 4.9 RC produces incorrect flac playback code

2014-04-20 Thread arthur.marsh at internode dot on.net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60902 --- Comment #4 from Arthur Marsh --- I've attached the config.mak produced by ./configure --cc=gcc-4.9 --host-cc=gcc-4.9 --dep-cc=gcc-4.9 The CFLAGS from config.mak: CFLAGS= -std=c99 -fomit-frame-pointer -pthread -D_GNU_SOURCE=1 -D_REENTRANT -

[Bug target/60902] ffmpeg built with gcc 4.9 RC produces incorrect flac playback code

2014-04-20 Thread arthur.marsh at internode dot on.net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60902 --- Comment #7 from Arthur Marsh --- OK, I modified the CFLAGS statement in config.mak to what is below, re-ran make clean and make, and still experienced the same problems. CFLAGS= -std=c99 -fomit-frame-pointer -pthread -D_GNU_SOURCE=1 -D_REEN

[Bug target/60902] ffmpeg built with gcc 4.9 RC produces incorrect flac playback code

2014-04-20 Thread arthur.marsh at internode dot on.net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60902 --- Comment #8 from Arthur Marsh --- PS, no assembly language in the flac decoding process as far as I could see.

[Bug target/60902] ffmpeg built with gcc 4.9 RC produces incorrect flac playback code

2014-04-20 Thread arthur.marsh at internode dot on.net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60902 --- Comment #10 from Arthur Marsh --- I haven't been able to reproduce what was shown in comment 9, but appreciate the effort taken to reproduce the problem.