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Re: [PATCH i386 AVX512] [68/n] Add vpmullw, vpacksdw, pmaddwd insn patterns.


On Thu, Oct 9, 2014 at 1:07 PM, Kirill Yukhin <kirill.yukhin@gmail.com> wrote:
> Hello,
> This patch extends vpmullw, vpacksdw and pmaddwd
> insn patterns.
>
> Bootstrapped.
> AVX-512* tests on top of patch-set all pass
> under simulator.
>
> Is it ok for trunk?
>
> gcc/
>         * config/i386/sse.md
>         (define_c_enum "unspec"): Add UNSPEC_PMADDWD512.
>         (define_mode_iterator VI2_AVX2): Add V32HI mode.
>         (define_expand "mul<mode>3<mask_name>"): Add masking.
>         (define_insn "*mul<mode>3<mask_name>"): Ditto.
>         (define_expand "<s>mul<mode>3_highpart<mask_name>"): Ditto.
>         (define_insn "*<s>mul<mode>3_highpart<mask_name>"): Ditto.
>         (define_insn "avx512bw_pmaddwd512<mode><mask_name>"): New.
>         (define_mode_attr SDOT_PMADD_SUF): Ditto.
>         (define_expand "sdot_prod<mode>"): Add <SDOT_PMADD_SUF>.
>         (define_insn "<sse2_avx2>_packssdw<mask_name>"): Add masking.
>         (define_insn "*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>"): Ditto.
>         (define_insn "avx2_packusdw"): Delete.
>         (define_insn "sse4_1_packusdw"): Ditto.
>         (define_insn "<sse4_1_avx2>_packusdw<mask_name>"): New.

OK.

> +  "TARGET_SSE2
> +   && ix86_binary_operator_ok (MULT, <MODE>mode, operands)
> +   && <mask_mode512bit_condition> && <mask_avx512bw_condition>"
>
> Just noticed, that need to swap target check with operads check.

No need to worry for minor issues now, but looking at the sse.md, it
looks to me like a case for a quick cleanup patch to correct these
inconsistencies.

Thanks,
Uros.


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