[Bug target/57927] -march=core-avx2 different than -march=native on INTEL Haswell (i7-4700K)

2013-07-18 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57927 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #1 f

[Bug target/57927] -march=core-avx2 different than -march=native on INTEL Haswell (i7-4700K)

2013-07-18 Thread vincenzo.innocente at cern dot ch
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57927 --- Comment #2 from vincenzo Innocente --- COLLECT_GCC_OPTIONS='-S' '-O3' '-march=native' '-o' 'LU.native' '-v' '-shared-libgcc' /afs/cern.ch/user/i/innocent/w2/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/cc1plus -quiet -v -D_GNU_SOURCE LU.c -marc

[Bug target/57927] -march=core-avx2 different than -march=native on INTEL Haswell (i7-4700K)

2013-07-18 Thread glisse at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57927 --- Comment #3 from Marc Glisse --- gcc/config/i386/driver-i386.c host processor detection apparently hasn't been updated for those recent processors yet. You could look for this code: case 0x2d: /* Sandy Bridge. */ c

[Bug target/57927] -march=core-avx2 different than -march=native on INTEL Haswell (i7-4700K)

2013-08-26 Thread shadow at umbrox dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57927 Christian Widmer changed: What|Removed |Added CC||shadow at umbrox dot de --- Comment #4

[Bug target/57927] -march=core-avx2 different than -march=native on INTEL Haswell (i7-4700K)

2013-08-26 Thread ubizjak at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57927 --- Comment #5 from Uroš Bizjak --- (In reply to Christian Widmer from comment #4) > Here is a short patch adding Ivy Bridge and Haswell detection. Because Ivy > Bridge does not support AVX2 it differs a bit from the suggestion above. Please pos

[Bug target/57927] -march=core-avx2 different than -march=native on INTEL Haswell (i7-4700K)

2013-08-27 Thread hjl.tools at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57927 H.J. Lu changed: What|Removed |Added CC||areg.melikadamyan at gmail dot com --- Comment

[Bug target/57927] -march=core-avx2 different than -march=native on INTEL Haswell (i7-4700K)

2013-08-27 Thread shadow at umbrox dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57927 --- Comment #7 from Christian Widmer --- (In reply to H.J. Lu from comment #6) > (In reply to Christian Widmer from comment #4) > > Created attachment 30703 [details] > > Patch to add Ivy Bridge/Haswell detection > > > > Here is a short patch add

[Bug target/57927] -march=core-avx2 different than -march=native on INTEL Haswell (i7-4700K)

2013-08-27 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57927 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/57927] -march=core-avx2 different than -march=native on INTEL Haswell (i7-4700K)

2013-08-28 Thread ubizjak at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57927 Uroš Bizjak changed: What|Removed |Added Target||x86 URL|