On Tue, Nov 8, 2011 at 7:44 AM, Jakub Jelinek <ja...@redhat.com> wrote:
> Working virtually out of Pago Pago. Hm...? > Is there a reason why we don't prefer 32-byte integer vector modes > even for AVX? If a vectorized loop needs some operation that is only > supported by AVX2 we would retry whenever seeing such stmt, so > what I think this costs us mainly some small amount of time > during vectorization analysis. Examples of functions that can > be vectorized with this patch using 32-byte vectors (and the runtime > of the testcase decreased from ~ 0m2.876s to ~ 0m2.258s). Nobody though of that yet ;) > 2011-11-08 Jakub Jelinek <ja...@redhat.com> > > * config/i386/i386.c (ix86_preferred_simd_mode): Even for TARGET_AVX > if not TARGET_PREFER_AVX128 return 32-byte SI/DI vectors. OK for mainline. Thanks, Uros.
