On 9 December 2015 at 05:37, Jonathan Gray <j...@jsg.id.au> wrote: > Change the __m128i variables to be volatile so gcc 4.9 won't optimise > all of them out with -O1 or greater. The _mm_set1_epi32/pinsrd calls > still get optimised out but now there is at least one SSE4.1 instruction > generated via _mm_max_epu32/pmaxud. When all of the sse4.1 instructions > got optimised out the configure test would incorrectly pass when the > compiler supported the intrinsics and the assembler didn't support the > instructions. > Must admit that I was not expecting that one. Looks like pixman (the inspiration for this check) is missing volatile as well. Does that one build/run fine on OpenBSD ?
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91806 > Signed-off-by: Jonathan Gray <j...@jsg.id.au> > Cc: "11.0 11.1" <mesa-sta...@lists.freedesktop.org> Reviewed-by: Emil Velikov <emil.veli...@collabora.com> I'll pick this in a couple of days (barring any objections). Thanks Emil _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
