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

2016-08-16 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77270 --- Comment #2 from Uroš Bizjak --- 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. Following code in i386.c: /* Enable prefetch{,w} instructions for -

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

2016-08-16 Thread nightstrike at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77270 nightstrike changed: What|Removed |Added Keywords||wrong-code --- Comment #1 from nightstrike