[Bug target/77270] Flag -mprftchw is shared with 3dnow for -march=k8

2016-08-28 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77270 Uroš Bizjak changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/77270] Flag -mprftchw is shared with 3dnow for -march=k8

2016-08-28 Thread uros at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77270 --- Comment #11 from uros at gcc dot gnu.org --- Author: uros Date: Sun Aug 28 16:30:32 2016 New Revision: 239810 URL: https://gcc.gnu.org/viewcvs?rev=239810=gcc=rev Log: Backport from mainline 2016-08-23 Venkataramanan Kumar

[Bug target/77270] Flag -mprftchw is shared with 3dnow for -march=k8

2016-08-24 Thread uros at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77270 --- Comment #10 from uros at gcc dot gnu.org --- Author: uros Date: Wed Aug 24 14:59:43 2016 New Revision: 239737 URL: https://gcc.gnu.org/viewcvs?rev=239737=gcc=rev Log: PR target/77270 * gcc.dg/tree-ssa/loop-28.c: Also compile

[Bug target/77270] Flag -mprftchw is shared with 3dnow for -march=k8

2016-08-21 Thread uros at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77270 --- Comment #9 from uros at gcc dot gnu.org --- Author: uros Date: Sun Aug 21 18:53:48 2016 New Revision: 239643 URL: https://gcc.gnu.org/viewcvs?rev=239643=gcc=rev Log: PR target/77270 * config/i386/i386.md (prefetch): When

[Bug target/77270] Flag -mprftchw is shared with 3dnow for -march=k8

2016-08-21 Thread vekumar at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77270 vekumar at gcc dot gnu.org changed: What|Removed |Added CC||vekumar at gcc dot gnu.org

[Bug target/77270] Flag -mprftchw is shared with 3dnow for -march=k8

2016-08-20 Thread nightstrike at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77270 --- Comment #7 from nightstrike --- The analysis from Venkat here: https://gcc.gnu.org/ml/gcc/2016-05/msg00012.html seems to indicate that the instruction is not valid for k8.

[Bug target/77270] Flag -mprftchw is shared with 3dnow for -march=k8

2016-08-20 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77270 --- Comment #6 from Uroš Bizjak --- (In reply to nightstrike from comment #5) > (In reply to Uroš Bizjak from comment #2) > > The problem is in the fact that for -march=native, the driver will pass > > -mno-prfchw, since the relevant bit is not

[Bug target/77270] Flag -mprftchw is shared with 3dnow for -march=k8

2016-08-20 Thread nightstrike at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77270 --- Comment #5 from nightstrike --- (In reply to Uroš Bizjak from comment #2) > The problem is in the fact that for -march=native, the driver will pass > -mno-prfchw, since the relevant bit is not present in cpuid flags. I'm a little confused.

[Bug target/77270] Flag -mprftchw is shared with 3dnow for -march=k8

2016-08-19 Thread uros at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77270 --- Comment #4 from uros at gcc dot gnu.org --- Author: uros Date: Fri Aug 19 18:14:03 2016 New Revision: 239626 URL: https://gcc.gnu.org/viewcvs?rev=239626=gcc=rev Log: PR target/77270 * config/i386/i386.c

[Bug target/77270] Flag -mprftchw is shared with 3dnow for -march=k8

2016-08-19 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77270 Uroš Bizjak changed: What|Removed |Added Keywords|wrong-code | Status|UNCONFIRMED