On Thu, Dec 3, 2020 at 2:22 AM Jakub Jelinek wrote:
>
> On Tue, Dec 01, 2020 at 12:49:03PM +0800, Hongtao Liu via Gcc-patches wrote:
> > +bool neq_p = INTVAL (operands[4]) >> 2;
> > +/* LE: 2, NLT: 5, NLE: 6, LT: 1 */
> > +rtx cmp_predicate = neq_p ? GEN_INT (6) : GEN_INT (2);
> > +
On Tue, Dec 01, 2020 at 12:49:03PM +0800, Hongtao Liu via Gcc-patches wrote:
> +bool neq_p = INTVAL (operands[4]) >> 2;
> +/* LE: 2, NLT: 5, NLE: 6, LT: 1 */
> +rtx cmp_predicate = neq_p ? GEN_INT (6) : GEN_INT (2);
> +if (MEM_P (operands[1]))
> + {
> + std::swap
On Mon, Nov 30, 2020 at 9:46 PM Jakub Jelinek wrote:
>
> On Mon, Nov 30, 2020 at 09:11:10PM +0800, Hongtao Liu wrote:
> > +;; PR96906 - optimize vpsubusw compared to 0 into vpcmpleuw or vpcmpnltuw.
> > +(define_split
> > + [(set (match_operand: 0 "register_operand")
> > +(unspec:
> > +
On Mon, Nov 30, 2020 at 09:11:10PM +0800, Hongtao Liu wrote:
> +;; PR96906 - optimize vpsubusw compared to 0 into vpcmpleuw or vpcmpnltuw.
> +(define_split
> + [(set (match_operand: 0 "register_operand")
> +(unspec:
> + [(us_minus:VI12_AVX512VL
> +
Hi:
This patch is quite similar like what jakub did in
https://gcc.gnu.org/pipermail/gcc-patches/2020-November/560151.html
but for target avx512bw.
.i.e. for -mavx512bw -mavx512vl transform code from
vpsubusw%xmm1, %xmm0, %xmm0
vpxor %xmm1, %xmm1, %xmm1
vpcmpw
