[Bug c/59486] math functions take more cycles after running any Intel AVX function

2013-12-17 Thread hjl.tools at gmail dot com 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59486

H.J. Lu hjl.tools at gmail dot com changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
   Last reconfirmed||2013-12-17
Version|unknown |4.4.6
 Resolution|INVALID |---
 Ever confirmed|0   |1

--- Comment #2 from H.J. Lu hjl.tools at gmail dot com ---
It was fixed in GCC 4.6 by adding -mvzeroupper.

[Bug c/59486] math functions take more cycles after running any Intel AVX function

2013-12-17 Thread hjl.tools at gmail dot com 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59486

H.J. Lu hjl.tools at gmail dot com changed:

   What|Removed |Added

 Status|REOPENED|RESOLVED
  Known to work||4.6.0, 4.7.0, 4.8.0
 Resolution|--- |FIXED
   Target Milestone|--- |4.6.0

--- Comment #3 from H.J. Lu hjl.tools at gmail dot com ---
Fixed.

[Bug c/59486] math functions take more cycles after running any Intel AVX function

2013-12-12 Thread ubizjak at gmail dot com 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59486

Uroš Bizjak ubizjak at gmail dot com changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution|--- |INVALID

--- Comment #1 from Uroš Bizjak ubizjak at gmail dot com ---
Use -mvzeroupper option.