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

[venkataramanan.kumar at amd dot com]

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

--- Comment #7 from Venkataramanan <venkataramanan.kumar at amd dot com> 2013-01-04 09:24:47 UTC ---
Hi Uros, 

Sorry , my intention was just know if we have some flags to  disable this pass.

Not as a solution :)

Regards,
Venkat.



-----Original Message-----
From: ubizjak at gmail dot com [mailto:gcc-bugzilla@gcc.gnu.org] 
Sent: Friday, January 04, 2013 2:50 PM
To: Kumar, Venkataramanan
Subject: [Bug rtl-optimization/55845] 454.calculix miscompares with
-march=btver2 -O3 -ffastmath -fschedule-insns -mvzeroupper for test data run


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.

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