[Bug rtl-optimization/67920] wrong code with -O3

2015-10-10 Thread jamrial at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67920 --- Comment #3 from James Almer --- (In reply to Andrew Pinski from comment #2) > Can you also compile with -fsanitize=undefined and try that? Can you also > try -fsanitize=address ? > > This might detect if it is a bug in the code vs a bug in

[Bug rtl-optimization/67920] wrong code with -O3

2015-10-10 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67920 --- Comment #2 from Andrew Pinski --- Can you also compile with -fsanitize=undefined and try that? Can you also try -fsanitize=address ? This might detect if it is a bug in the code vs a bug in GCC.

[Bug rtl-optimization/67920] wrong code with -O3

2015-10-10 Thread jamrial at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67920 --- Comment #1 from James Almer --- For reference you can also check http://fate.ffmpeg.org/report.cgi?time=20151010052205&slot=x86_64-archlinux-gcc-experimental