From: Uros Bizjak <ubizjak@gmail.com>
To: Jan Beulich <jbeulich@suse.com>
Cc: "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>,
"hubicka@ucw.cz" <hubicka@ucw.cz>,
Hongtao Liu <hongtao.liu@intel.com>,
"H. J. Lu" <hjl.tools@gmail.com>
Subject: Re: [PATCH] x86: harmonize __builtin_ia32_psadbw*() types
Date: Sun, 5 Jun 2022 21:16:56 +0200 [thread overview]
Message-ID: <CAFULd4YmAMGLgaHRL5roHMgVwLU77dfLw0FVOVSL7+pbK=_RqQ@mail.gmail.com> (raw)
In-Reply-To: <a2ecdd37-91e6-f67b-7e47-d7ddeaa1fbf5@suse.com>
On Thu, Jun 2, 2022 at 5:04 PM Jan Beulich <jbeulich@suse.com> wrote:
>
> The 64-bit, 128-bit, and 512-bit variants have V<n>DI return type, in
> line with instruction behavior. Make the 256-bit builtin match, thus
> also making it match the insn it expands to (using VI8_AVX2_AVX512BW).
>
> gcc/
>
> * config/i386/i386-builtin.def (__builtin_ia32_psadbw256):
> Change type.
> * config/i386/i386-builtin-types.def: New function type
> (V4DI, V32QI, V32QI).
> * config/i386/i386-expand.cc (ix86_expand_args_builtin): Handle
> V4DI_FTYPE_V32QI_V32QI.
LGTM, but please let HJ have the final approval.
Uros.
>
> --- a/gcc/config/i386/i386-builtin.def
> +++ b/gcc/config/i386/i386-builtin.def
> @@ -1217,7 +1217,7 @@ BDESC (OPTION_MASK_ISA_AVX2, 0, CODE_FOR
> BDESC (OPTION_MASK_ISA_AVX2, 0, CODE_FOR_mulv8si3, "__builtin_ia32_pmulld256" , IX86_BUILTIN_PMULLD256 , UNKNOWN, (int) V8SI_FTYPE_V8SI_V8SI)
> BDESC (OPTION_MASK_ISA_AVX2, 0, CODE_FOR_vec_widen_umult_even_v8si, "__builtin_ia32_pmuludq256", IX86_BUILTIN_PMULUDQ256, UNKNOWN, (int) V4DI_FTYPE_V8SI_V8SI)
> BDESC (OPTION_MASK_ISA_AVX2, 0, CODE_FOR_iorv4di3, "__builtin_ia32_por256", IX86_BUILTIN_POR256, UNKNOWN, (int) V4DI_FTYPE_V4DI_V4DI)
> -BDESC (OPTION_MASK_ISA_AVX2, 0, CODE_FOR_avx2_psadbw, "__builtin_ia32_psadbw256", IX86_BUILTIN_PSADBW256, UNKNOWN, (int) V16HI_FTYPE_V32QI_V32QI)
> +BDESC (OPTION_MASK_ISA_AVX2, 0, CODE_FOR_avx2_psadbw, "__builtin_ia32_psadbw256", IX86_BUILTIN_PSADBW256, UNKNOWN, (int) V4DI_FTYPE_V32QI_V32QI)
> BDESC (OPTION_MASK_ISA_AVX2, 0, CODE_FOR_avx2_pshufbv32qi3, "__builtin_ia32_pshufb256", IX86_BUILTIN_PSHUFB256, UNKNOWN, (int) V32QI_FTYPE_V32QI_V32QI)
> BDESC (OPTION_MASK_ISA_AVX2, 0, CODE_FOR_avx2_pshufdv3, "__builtin_ia32_pshufd256", IX86_BUILTIN_PSHUFD256, UNKNOWN, (int) V8SI_FTYPE_V8SI_INT)
> BDESC (OPTION_MASK_ISA_AVX2, 0, CODE_FOR_avx2_pshufhwv3, "__builtin_ia32_pshufhw256", IX86_BUILTIN_PSHUFHW256, UNKNOWN, (int) V16HI_FTYPE_V16HI_INT)
> --- a/gcc/config/i386/i386-builtin-types.def
> +++ b/gcc/config/i386/i386-builtin-types.def
> @@ -516,6 +516,7 @@ DEF_FUNCTION_TYPE (V8DI, V8DI, V2DI, INT
> DEF_FUNCTION_TYPE (V8DI, V8DI, V2DI, INT, V8DI, UQI)
> DEF_FUNCTION_TYPE (V8DI, V8DI, V4DI, INT, V8DI, UQI)
> DEF_FUNCTION_TYPE (V4DI, V8SI, V8SI)
> +DEF_FUNCTION_TYPE (V4DI, V32QI, V32QI)
> DEF_FUNCTION_TYPE (V8DI, V64QI, V64QI)
> DEF_FUNCTION_TYPE (V4DI, V4DI, V2DI)
> DEF_FUNCTION_TYPE (V4DI, PCV4DI, V4DI)
> --- a/gcc/config/i386/i386-expand.cc
> +++ b/gcc/config/i386/i386-expand.cc
> @@ -10359,6 +10359,7 @@ ix86_expand_args_builtin (const struct b
> case V8SI_FTYPE_V16HI_V16HI:
> case V4DI_FTYPE_V4DI_V4DI:
> case V4DI_FTYPE_V8SI_V8SI:
> + case V4DI_FTYPE_V32QI_V32QI:
> case V8DI_FTYPE_V64QI_V64QI:
> if (comparison == UNKNOWN)
> return ix86_expand_binop_builtin (icode, exp, target);
>
next prev parent reply other threads:[~2022-06-05 19:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-02 15:04 Jan Beulich
2022-06-05 19:16 ` Uros Bizjak [this message]
2022-06-06 2:26 ` Hongtao Liu
2022-06-06 18:53 ` H.J. Lu
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