On Fri, Sep 26, 2014 at 4:09 PM, Kirill Yukhin <kirill.yuk...@gmail.com> wrote:
> Hello,
> This patch introduces patterns for vpmaddubsw and vdbpsadbw
> insn.
>
> 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_DBPSADBW, UNSPEC_PMADDUBSW512.
> (define_insn "avx512bw_pmaddubsw512<mode><mask_name>"): New.
> (define_insn "<mask_codefor>avx512bw_dbpsadbw<mode><mask_name>"):
> Ditto.
> --
> Thanks, K
>
> diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
> index 9835234..601373b 100644
> --- a/gcc/config/i386/sse.md
> +++ b/gcc/config/i386/sse.md
> @@ -130,6 +130,8 @@
> UNSPEC_SHA256RNDS2
>
> ;; For AVX512BW support
> + UNSPEC_DBPSADBW
> + UNSPEC_PMADDUBSW512
> UNSPEC_PSHUFHW
> UNSPEC_PSHUFLW
> UNSPEC_CVTINT2MASK
> @@ -13401,6 +13403,19 @@
> (set_attr "prefix" "vex")
> (set_attr "mode" "OI")])
>
> +;; Unspec version for intrinsics.
> +(define_insn "avx512bw_pmaddubsw512<mode><mask_name>"
> + [(set (match_operand:VI2_AVX512VL 0 "register_operand" "=v")
> + (unspec:VI2_AVX512VL
> + [(match_operand:<dbpsadbwmode> 1 "register_operand" "v")
> + (match_operand:<dbpsadbwmode> 2 "nonimmediate_operand" "vm")]
> + UNSPEC_PMADDUBSW512))]
> + "TARGET_AVX512BW"
> + "vpmaddubsw\t{%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %2}";
> + [(set_attr "type" "sseiadd")
> + (set_attr "prefix" "evex")
> + (set_attr "mode" "XI")])
> +
Can the one above be described using standard RTX, perhaps something
similar to avx2_pmaddubsw256?
> (define_insn "ssse3_pmaddubsw128"
> [(set (match_operand:V8HI 0 "register_operand" "=x,x")
> (ss_plus:V8HI
> @@ -18097,6 +18112,21 @@
> [(set_attr "prefix" "evex")
> (set_attr "mode" "<ssescalarmode>")])
>
> +(define_insn "<mask_codefor>avx512bw_dbpsadbw<mode><mask_name>"
> + [(set (match_operand:VI2_AVX512VL 0 "register_operand" "=v")
> + (unspec:VI2_AVX512VL
> + [(match_operand:<dbpsadbwmode> 1 "register_operand" "v")
> + (match_operand:<dbpsadbwmode> 2 "nonimmediate_operand" "vm")
> + (match_operand:SI 3 "const_0_to_255_operand")]
> + UNSPEC_DBPSADBW))]
> + "TARGET_AVX512BW"
> + "vdbpsadbw\t{%3, %2, %1, %0<mask_operand4>|%0<mask_operand4>, %1, %2, %3}"
> + [(set_attr "isa" "avx")
> + (set_attr "type" "sselog1")
> + (set_attr "length_immediate" "1")
> + (set_attr "prefix" "evex")
> + (set_attr "mode" "<sseinsnmode>")])
> +
> (define_insn "clz<mode>2<mask_name>"
> [(set (match_operand:VI48_AVX512VL 0 "register_operand" "=v")
> (clz:VI48_AVX512VL
