[Bug rtl-optimization/55845] 454.calculix miscompares with -march=btver2 -O3 -ffastmath -fschedule-insns -mvzeroupper for test data run

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55845



--- Comment #6 from Uros Bizjak <ubizjak at gmail dot com> 2013-01-04 09:20:16 
UTC ---

(In reply to comment #5)



> I suspected this is a problem with jump optimization.  Uros what flag we need

> to pass to bypass the .jump2 pass?



The pass should be fixed to handle unspec_volatile insns correctly, not

disabled.