On Tue, Dec 16, 2025 at 5:29 PM Umesh Kalvakuntla
<[email protected]> wrote:
>
> Hi,
>
> Thank you Hongtao Liu, Haochen Jiang and Jan Hubicka for the reviews.
>
> > LGTM except for two nits.
> >
> >   - You may also want to add documentation around gcc/doc/invoke.texi
> >   around L36657 and L36669.
> Added.
> >   - Those builtin-1.c are not needed since nothing special for them. We 
> > added
> >   for some of them due to some special logic.
> Removed these as suggested.
>
> > >
> > > I have no issues on my end, but I hope Hubicka can take a look at the
> > > znver6 tune part and approve this patch.
> > > > +  /* Zen5 can execute:
> > > > +      - integer ops: 6 per cycle, at most 3 multiplications.
> > > > +       latency 1 for additions, 3 for multiplications (pipelined)
> > > > +
> > > > +       Setting width of 9 for multiplication is probably excessive
> > > > +       for register pressure.
> > > > +      - fp ops: 2 additions per cycle, latency 2-3
> > > > +               2 multiplicaitons per cycle, latency 3
> > > > +      - vector intger ops: 4 additions, latency 1
> > > > +                          2 multiplications, latency 4
> > > > +       We increase width to 6 for multiplications
> > > > +       in ix86_reassociation_width.  */
> >
> > I know that this is just cut&paste from znver5 at this point, but I would 
> > at least drop the comment (alternative would be to just use znver5 cost 
> > table until later stage when the values gets updated for real hardware.
> Updated the patch to use znver5_cost table.
>
> > > > diff --git a/gcc/config/i386/x86-tune-sched.cc
> > > > b/gcc/config/i386/x86-tune-sched.cc
> > > > index 11b33382ecb..772f7af6541 100644
> > > > --- a/gcc/config/i386/x86-tune-sched.cc
> > > > +++ b/gcc/config/i386/x86-tune-sched.cc
> > > > @@ -113,6 +113,10 @@ ix86_issue_rate (void)
> > > >      case PROCESSOR_NOVALAKE:
> > > >        return 8;
> > > >
> > > > +    /* Issue rate we are changing to 8 considering the Dispatch width 
> > > > */
> > > > +    case PROCESSOR_ZNVER6:
> > > > +      return 8;
> >
> > I think you are still using znver5 scheduler description? If so then 
> > scheduler will never be able to fill in all 8 instructions since the 
> > bottleneck modelled is the decoder. So this would just (noticeably) 
> > increase compile time, so please keep znver5 setting with comment that it 
> > is not technically correct.
> >
> Fixed it.
>
> Bootstrapped and tested on x86 linux.
>
> Can someone please commit this on my behalf, if this version is okay?
Committed,  
https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=b40f769c2f6c8544453fc412ac0101191c33a365

>
> Thank you,
> Umesh
>
> -- >8 --
> From 07d97f1667e4fb21c8f09f33890ea0ff6d5bdf92 Mon Sep 17 00:00:00 2001
> From: Umesh Kalvakuntla <[email protected]>
> Subject: [PATCH] x86: Add AMD znver6 processor support
>
> For avx512bmm instructions, this patch adds the intrinsics support.
> Code-generation and runtime tests will be added in the future patches.
>
> gcc/ChangeLog:
>
>         * common/config/i386/cpuinfo.h (get_amd_cpu): Add znver6 1Ah
>           family model numbers.
>         (get_available_features): Set feature AVX512BMM.
>         * common/config/i386/i386-common.cc (OPTION_MASK_ISA2_AVX512BMM_SET):
>         New macro.
>         (OPTION_MASK_ISA2_AVX512BMM_UNSET): New macro.
>         (OPTION_MASK_ISA2_AVX512BW_UNSET): Unset AVX512BMM.
>         (ix86_handle_option): Likewise.
>         * common/config/i386/i386-cpuinfo.h (enum processor_subtypes):
>           Add AMDFAM1AH_ZNVER6.
>         (enum processor_features): Add FEATURE_AVX512BMM.
>         * common/config/i386/i386-isas.h: Likewise.
>         * config.gcc: Add avx512bmmintrin.h, avx512bmmvlintrin.h,
>           znver6.
>         * config/i386/cpuid.h (bit_AVX512BMM): New macro.
>         * config/i386/driver-i386.cc (host_detect_local_cpu): Likewise.
>         * config/i386/i386-builtin.def (BDESC): Add AVX512BMM builtins.
>         * config/i386/i386-c.cc (ix86_target_macros_internal): Likewise.
>         * config/i386/i386-isa.def (AVX512BMM): Likewise.
>         * config/i386/i386-options.cc (m_ZNVER6): New macro.
>         (m_ZNVER): Add m_ZNVER6.
>         (processor_cost_table): Uses znver5_cost table for
>         PROCESSOR_ZNVER6 for now.
>         (ix86_valid_target_attribute_inner_p): Likewise.
>         * config/i386/i386.cc (ix86_reassociation_width): Likewise.
>         * config/i386/i386.h (enum processor_type): Likewise.
>         * config/i386/i386.md: Likewise.
>         * config/i386/i386.opt: Likewise.
>         * config/i386/i386.opt.urls: Likewise.
>         * config/i386/immintrin.h: Likewise.
>         * config/i386/sse.md (avx512bmm_vbmacor16x16x16_<mode>): New
>           define_insn.
>         (avx512bmm_vbmacxor16x16x16_<mode>): Likewise.
>         (avx512bmm_vbitrevb_<mode>_mask): Likewise.
>         (avx512bmm_vbitrevb_<mode>): Likewise.
>         * config/i386/x86-tune-sched.cc (ix86_issue_rate): Likewise.
>         (ix86_adjust_cost): Likewise.
>         * config/i386/x86-tune.def (X86_TUNE_FUSE_ALU_AND_BRANCH): Add
>           m_ZNVER6.
>         (X86_TUNE_FUSE_MOV_AND_ALU): Likewise.
>         (X86_TUNE_USE_SCATTER_2PARTS): Likewise.
>         (X86_TUNE_USE_SCATTER_4PARTS): Likewise.
>         (X86_TUNE_USE_SCATTER_8PARTS): Likewise.
>         (X86_TUNE_AVOID_256FMA_CHAINS): Likewise.
>         (X86_TUNE_AVOID_512FMA_CHAINS): Likewise.
>         (X86_TUNE_AVX512_MOVE_BY_PIECES): Likewise.
>         * doc/extend.texi: Likewise.
>         * doc/invoke.texi: Likewise.
>         * config/i386/avx512bmmintrin.h: New file.
>         * config/i386/avx512bmmvlintrin.h: New file.
>
> gcc/testsuite/ChangeLog:
>
>         * g++.target/i386/mv29.C: Likewise.
>         * gcc.target/i386/funcspec-56.inc: Likewise.
>         * gcc.target/i386/avx512bmm-1.c: New test.
>         * gcc.target/i386/avx512bmmvl-1.c: New test.
> ---
>  gcc/common/config/i386/cpuinfo.h              |  25 ++++
>  gcc/common/config/i386/i386-common.cc         |  26 +++-
>  gcc/common/config/i386/i386-cpuinfo.h         |   2 +
>  gcc/common/config/i386/i386-isas.h            |   1 +
>  gcc/config.gcc                                |  13 +-
>  gcc/config/i386/avx512bmmintrin.h             |  89 +++++++++++++
>  gcc/config/i386/avx512bmmvlintrin.h           | 118 ++++++++++++++++++
>  gcc/config/i386/cpuid.h                       |   3 +
>  gcc/config/i386/driver-i386.cc                |   5 +
>  gcc/config/i386/i386-builtin.def              |   8 ++
>  gcc/config/i386/i386-c.cc                     |   9 ++
>  gcc/config/i386/i386-isa.def                  |   1 +
>  gcc/config/i386/i386-options.cc               |  10 +-
>  gcc/config/i386/i386.cc                       |   2 +-
>  gcc/config/i386/i386.h                        |   3 +
>  gcc/config/i386/i386.md                       |   2 +-
>  gcc/config/i386/i386.opt                      |   4 +
>  gcc/config/i386/i386.opt.urls                 |   3 +
>  gcc/config/i386/immintrin.h                   |   4 +
>  gcc/config/i386/sse.md                        |  57 +++++++++
>  gcc/config/i386/x86-tune-sched.cc             |   2 +
>  gcc/config/i386/x86-tune.def                  |  18 +--
>  gcc/doc/extend.texi                           |   6 +
>  gcc/doc/invoke.texi                           |  20 ++-
>  gcc/testsuite/g++.target/i386/mv29.C          |   6 +
>  gcc/testsuite/gcc.target/i386/avx512bmm-1.c   |  26 ++++
>  gcc/testsuite/gcc.target/i386/avx512bmmvl-1.c |  35 ++++++
>  gcc/testsuite/gcc.target/i386/funcspec-56.inc |   2 +
>  28 files changed, 480 insertions(+), 20 deletions(-)
>  create mode 100644 gcc/config/i386/avx512bmmintrin.h
>  create mode 100644 gcc/config/i386/avx512bmmvlintrin.h
>  create mode 100644 gcc/testsuite/gcc.target/i386/avx512bmm-1.c
>  create mode 100644 gcc/testsuite/gcc.target/i386/avx512bmmvl-1.c
>
> diff --git a/gcc/common/config/i386/cpuinfo.h 
> b/gcc/common/config/i386/cpuinfo.h
> index dbad4a1dba6..b72eba8fec6 100644
> --- a/gcc/common/config/i386/cpuinfo.h
> +++ b/gcc/common/config/i386/cpuinfo.h
> @@ -319,6 +319,14 @@ get_amd_cpu (struct __processor_model *cpu_model,
>           CHECK___builtin_cpu_is ("znver5");
>           cpu_model->__cpu_subtype = AMDFAM1AH_ZNVER5;
>         }
> +      else if ((model >= 0x50 && model <= 0x5f) ||
> +              (model >= 0x80 && model <= 0xcf) ||
> +              (model >= 0xd8 && model <= 0xe7))
> +       {
> +         cpu = "znver6";
> +         CHECK___builtin_cpu_is ("znver6");
> +         cpu_model->__cpu_subtype = AMDFAM1AH_ZNVER6;
> +       }
>        else if (has_cpu_feature (cpu_model, cpu_features2,
>                                 FEATURE_AVX512VP2INTERSECT))
>         {
> @@ -326,6 +334,13 @@ get_amd_cpu (struct __processor_model *cpu_model,
>           CHECK___builtin_cpu_is ("znver5");
>           cpu_model->__cpu_subtype = AMDFAM1AH_ZNVER5;
>         }
> +      else if (has_cpu_feature (cpu_model, cpu_features2,
> +                               FEATURE_AVX512BMM))
> +       {
> +         cpu = "znver6";
> +         CHECK___builtin_cpu_is ("znver6");
> +         cpu_model->__cpu_subtype = AMDFAM1AH_ZNVER6;
> +       }
>        break;
>      default:
>        break;
> @@ -1049,6 +1064,16 @@ get_available_features (struct __processor_model 
> *cpu_model,
>         }
>      }
>
> +  /* Get Advanced Features at level 0x21 (eax = 0x21).  */
> +  if (max_cpuid_level >= 0x21)
> +    {
> +      __cpuid (0x21, eax, ebx, ecx, edx);
> +      if (eax & bit_AVX512BMM)
> +       {
> +         set_feature (FEATURE_AVX512BMM);
> +       }
> +    }
> +
>    /* Get Advanced Features at level 0x24 (eax = 0x24, ecx = 0).  */
>    if (avx10_set && max_cpuid_level >= 0x24)
>      {
> diff --git a/gcc/common/config/i386/i386-common.cc 
> b/gcc/common/config/i386/i386-common.cc
> index 96136c5f41f..f0f4c1069d3 100644
> --- a/gcc/common/config/i386/i386-common.cc
> +++ b/gcc/common/config/i386/i386-common.cc
> @@ -139,6 +139,7 @@ along with GCC; see the file COPYING3.  If not see
>  #define OPTION_MASK_ISA2_MOVRS_SET OPTION_MASK_ISA2_MOVRS
>  #define OPTION_MASK_ISA2_AMX_MOVRS_SET \
>    (OPTION_MASK_ISA2_AMX_TILE_SET | OPTION_MASK_ISA2_AMX_MOVRS)
> +#define OPTION_MASK_ISA2_AVX512BMM_SET OPTION_MASK_ISA2_AVX512BMM
>
>  /* SSE4 includes both SSE4.1 and SSE4.2. -msse4 should be the same
>     as -msse4.2.  */
> @@ -331,6 +332,7 @@ along with GCC; see the file COPYING3.  If not see
>  #define OPTION_MASK_ISA2_AMX_FP8_UNSET OPTION_MASK_ISA2_AMX_FP8
>  #define OPTION_MASK_ISA2_MOVRS_UNSET OPTION_MASK_ISA2_MOVRS
>  #define OPTION_MASK_ISA2_AMX_MOVRS_UNSET OPTION_MASK_ISA2_AMX_MOVRS
> +#define OPTION_MASK_ISA2_AVX512BMM_UNSET OPTION_MASK_ISA2_AVX512BMM
>
>  /* SSE4 includes both SSE4.1 and SSE4.2.  -mno-sse4 should the same
>     as -mno-sse4.1. */
> @@ -393,7 +395,8 @@ along with GCC; see the file COPYING3.  If not see
>
>  #define OPTION_MASK_ISA2_AVX512BW_UNSET \
>    (OPTION_MASK_ISA2_AVX512BF16_UNSET \
> -    | OPTION_MASK_ISA2_AVX512FP16_UNSET)
> +    | OPTION_MASK_ISA2_AVX512FP16_UNSET \
> +    | OPTION_MASK_ISA2_AVX512BMM_UNSET)
>
>  /* Set 1 << value as value of -malign-FLAG option.  */
>
> @@ -938,6 +941,21 @@ ix86_handle_option (struct gcc_options *opts,
>         }
>        return true;
>
> +    case OPT_mavx512bmm:
> +      if (value)
> +       {
> +         opts->x_ix86_isa_flags2 |= OPTION_MASK_ISA2_AVX512BMM_SET;
> +         opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA2_AVX512BMM_SET;
> +         opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX512BW_SET;
> +         opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX512BW_SET;
> +       }
> +      else
> +       {
> +         opts->x_ix86_isa_flags2 &= ~OPTION_MASK_ISA2_AVX512BMM_UNSET;
> +         opts->x_ix86_isa_flags2_explicit |= 
> OPTION_MASK_ISA2_AVX512BMM_UNSET;
> +       }
> +      return true;
> +
>      case OPT_mavxvnni:
>        if (value)
>         {
> @@ -2151,7 +2169,8 @@ const char *const processor_names[] =
>    "znver2",
>    "znver3",
>    "znver4",
> -  "znver5"
> +  "znver5",
> +  "znver6"
>  };
>
>  /* Guarantee that the array is aligned with enum processor_type.  */
> @@ -2410,6 +2429,9 @@ const pta processor_alias_table[] =
>    {"znver5", PROCESSOR_ZNVER5, CPU_ZNVER5,
>      PTA_ZNVER5,
>      M_CPU_SUBTYPE (AMDFAM1AH_ZNVER5), P_PROC_AVX512F},
> +  {"znver6", PROCESSOR_ZNVER6, CPU_ZNVER5,
> +    PTA_ZNVER6,
> +    M_CPU_SUBTYPE (AMDFAM1AH_ZNVER6), P_PROC_AVX512F},
>    {"btver1", PROCESSOR_BTVER1, CPU_GENERIC,
>      PTA_BTVER1,
>      M_CPU_TYPE (AMD_BTVER1), P_PROC_SSE4_A},
> diff --git a/gcc/common/config/i386/i386-cpuinfo.h 
> b/gcc/common/config/i386/i386-cpuinfo.h
> index 63357da9bd4..68b31fc720b 100644
> --- a/gcc/common/config/i386/i386-cpuinfo.h
> +++ b/gcc/common/config/i386/i386-cpuinfo.h
> @@ -107,6 +107,7 @@ enum processor_subtypes
>    ZHAOXIN_FAM7H_SHIJIDADAO,
>    INTEL_COREI7_DIAMONDRAPIDS,
>    INTEL_COREI7_NOVALAKE,
> +  AMDFAM1AH_ZNVER6,
>    CPU_SUBTYPE_MAX
>  };
>
> @@ -273,6 +274,7 @@ enum processor_features
>    FEATURE_AMX_FP8 = 120,
>    FEATURE_MOVRS,
>    FEATURE_AMX_MOVRS,
> +  FEATURE_AVX512BMM,
>    CPU_FEATURE_MAX
>  };
>
> diff --git a/gcc/common/config/i386/i386-isas.h 
> b/gcc/common/config/i386/i386-isas.h
> index fcd3ab280f5..5a6b5945ba2 100644
> --- a/gcc/common/config/i386/i386-isas.h
> +++ b/gcc/common/config/i386/i386-isas.h
> @@ -191,4 +191,5 @@ ISA_NAMES_TABLE_START
>    ISA_NAMES_TABLE_ENTRY("amx-fp8", FEATURE_AMX_FP8, P_NONE, "-mamx-fp8")
>    ISA_NAMES_TABLE_ENTRY("movrs", FEATURE_MOVRS, P_NONE, "-mmovrs")
>    ISA_NAMES_TABLE_ENTRY("amx-movrs", FEATURE_AMX_MOVRS, P_NONE, 
> "-mamx-movrs")
> +  ISA_NAMES_TABLE_ENTRY("avx512bmm", FEATURE_AVX512BMM, P_NONE, 
> "-mavx512bmm")
>  ISA_NAMES_TABLE_END
> diff --git a/gcc/config.gcc b/gcc/config.gcc
> index fb465dac147..a2663dc0d79 100644
> --- a/gcc/config.gcc
> +++ b/gcc/config.gcc
> @@ -465,7 +465,8 @@ i[34567]86-*-* | x86_64-*-*)
>                        avx10_2bf16intrin.h avx10_2satcvtintrin.h
>                        avx10_2minmaxintrin.h avx10_2copyintrin.h
>                        amxavx512intrin.h amxtf32intrin.h amxfp8intrin.h
> -                      movrsintrin.h amxmovrsintrin.h"
> +                      movrsintrin.h amxmovrsintrin.h avx512bmmintrin.h
> +                      avx512bmmvlintrin.h"
>         ;;
>  ia64-*-*)
>         extra_headers=ia64intrin.h
> @@ -722,7 +723,7 @@ c7 esther"
>  # 64-bit x86 processors supported by --with-arch=.  Each processor
>  # MUST be separated by exactly one space.
>  x86_64_archs="amdfam10 athlon64 athlon64-sse3 barcelona bdver1 bdver2 \
> -bdver3 bdver4 znver1 znver2 znver3 znver4 znver5 btver1 btver2 k8 k8-sse3 \
> +bdver3 bdver4 znver1 znver2 znver3 znver4 znver5 znver6 btver1 btver2 k8 
> k8-sse3 \
>  opteron opteron-sse3 nocona core2 corei7 corei7-avx core-avx-i core-avx2 \
>  atom slm nehalem westmere sandybridge ivybridge haswell broadwell bonnell \
>  silvermont skylake-avx512 cannonlake icelake-client icelake-server \
> @@ -3829,6 +3830,10 @@ case ${target} in
>         arch=znver5
>         cpu=znver5
>         ;;
> +      znver6-*)
> +       arch=znver6
> +       cpu=znver6
> +       ;;
>        bdver4-*)
>          arch=bdver4
>          cpu=bdver4
> @@ -3974,6 +3979,10 @@ case ${target} in
>         arch=znver5
>         cpu=znver5
>         ;;
> +      znver6-*)
> +       arch=znver6
> +       cpu=znver6
> +       ;;
>        bdver4-*)
>          arch=bdver4
>          cpu=bdver4
> diff --git a/gcc/config/i386/avx512bmmintrin.h 
> b/gcc/config/i386/avx512bmmintrin.h
> new file mode 100644
> index 00000000000..7585811a4c3
> --- /dev/null
> +++ b/gcc/config/i386/avx512bmmintrin.h
> @@ -0,0 +1,89 @@
> +/* Copyright (C) 2025 Free Software Foundation, Inc.
> +
> +   This file is part of GCC.
> +
> +   GCC is free software; you can redistribute it and/or modify
> +   it under the terms of the GNU General Public License as published by
> +   the Free Software Foundation; either version 3, or (at your option)
> +   any later version.
> +
> +   GCC is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> +   GNU General Public License for more details.
> +
> +   Under Section 7 of GPL version 3, you are granted additional
> +   permissions described in the GCC Runtime Library Exception, version
> +   3.1, as published by the Free Software Foundation.
> +
> +   You should have received a copy of the GNU General Public License and
> +   a copy of the GCC Runtime Library Exception along with this program;
> +   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
> +   <http://www.gnu.org/licenses/>.  */
> +
> +#if !defined _IMMINTRIN_H_INCLUDED
> +# error "Never use <avx512bmmintrin.h> directly; include <immintrin.h> 
> instead."
> +#endif
> +
> +#ifndef _AVX512BMMINTRIN_H_INCLUDED
> +#define _AVX512BMMINTRIN_H_INCLUDED
> +
> +#ifndef __AVX512BMM__
> +#pragma GCC push_options
> +#pragma GCC target("avx512bmm")
> +#define __DISABLE_AVX512BMM__
> +#endif /* __AVX512BMM__ */
> +
> +extern __inline __m512i
> +__attribute__((__gnu_inline__, __always_inline__, __artificial__))
> +_mm512_bmacor16x16x16 (__m512i __A, __m512i __B, __m512i __C)
> +{
> +  return (__m512i) __builtin_ia32_vbmacor16x16x16_v32hi ((__v32hi) __A,
> +                                                        (__v32hi) __B,
> +                                                        (__v32hi) __C);
> +}
> +
> +extern __inline __m512i
> +__attribute__((__gnu_inline__, __always_inline__, __artificial__))
> +_mm512_bmacxor16x16x16 (__m512i __A, __m512i __B, __m512i __C)
> +{
> +  return (__m512i) __builtin_ia32_vbmacxor16x16x16_v32hi ((__v32hi) __A,
> +                                                         (__v32hi) __B,
> +                                                         (__v32hi) __C);
> +}
> +
> +extern __inline __m512i
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +_mm512_mask_bitrev_epi8 (__mmask64 __U, __m512i __A, __m512i __B)
> +{
> +  return (__m512i) __builtin_ia32_vbitrevb512_mask ((__v64qi) __A,
> +                                                   (__v64qi) __B,
> +                                                   (__mmask64) __U);
> +}
> +
> +extern __inline __m512i
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +_mm512_maskz_bitrev_epi8 (__mmask64 __U, __m512i __A)
> +{
> +  return (__m512i) __builtin_ia32_vbitrevb512_mask ((__v64qi) __A,
> +                                                   (__v64qi)(__m512i)
> +                                                   _mm512_setzero_epi32 (),
> +                                                   (__mmask64) __U);
> +}
> +
> +extern __inline __m512i
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +_mm512_bitrev_epi8 (__m512i __A)
> +{
> +  return (__m512i) __builtin_ia32_vbitrevb512_mask ((__v64qi) __A,
> +                                                   (__v64qi)(__m512i)
> +                                                   _mm512_undefined_epi32 (),
> +                                                   (__mmask64) -1);
> +}
> +
> +#ifdef __DISABLE_AVX512BMM__
> +#undef __DISABLE_AVX512BMM__
> +#pragma GCC pop_options
> +#endif /* __DISABLE_AVX512BMM__ */
> +
> +#endif /* _AVX512BMMINTRIN_H_INCLUDED */
> diff --git a/gcc/config/i386/avx512bmmvlintrin.h 
> b/gcc/config/i386/avx512bmmvlintrin.h
> new file mode 100644
> index 00000000000..47202dbac40
> --- /dev/null
> +++ b/gcc/config/i386/avx512bmmvlintrin.h
> @@ -0,0 +1,118 @@
> +/* Copyright (C) 2025 Free Software Foundation, Inc.
> +
> +   This file is part of GCC.
> +
> +   GCC is free software; you can redistribute it and/or modify
> +   it under the terms of the GNU General Public License as published by
> +   the Free Software Foundation; either version 3, or (at your option)
> +   any later version.
> +
> +   GCC is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> +   GNU General Public License for more details.
> +
> +   Under Section 7 of GPL version 3, you are granted additional
> +   permissions described in the GCC Runtime Library Exception, version
> +   3.1, as published by the Free Software Foundation.
> +
> +   You should have received a copy of the GNU General Public License and
> +   a copy of the GCC Runtime Library Exception along with this program;
> +   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
> +   <http://www.gnu.org/licenses/>.  */
> +
> +#if !defined _IMMINTRIN_H_INCLUDED
> +# error "Never use <avx512bmmvlintrin.h> directly; include <immintrin.h> 
> instead."
> +#endif
> +
> +#ifndef _AVX512BMMVLINTRIN_H_INCLUDED
> +#define _AVX512BMMVLINTRIN_H_INCLUDED
> +
> +#if !defined(__AVX512VL__) || !defined(__AVX512BMM__)
> +#pragma GCC push_options
> +#pragma GCC target("avx512bmm,avx512vl")
> +#define __DISABLE_AVX512BMMVL__
> +#endif /* __AVX512BMM__ */
> +
> +extern __inline __m256i
> +__attribute__((__gnu_inline__, __always_inline__, __artificial__))
> +_mm256_bmacor16x16x16 (__m256i __A, __m256i __B, __m256i __C)
> +{
> +   return (__m256i) __builtin_ia32_vbmacor16x16x16_v16hi ((__v16hi) __A,
> +                                                         (__v16hi) __B,
> +                                                         (__v16hi) __C);
> +}
> +
> +extern __inline __m256i
> +__attribute__((__gnu_inline__, __always_inline__, __artificial__))
> +_mm256_bmacxor16x16x16 (__m256i __A, __m256i __B, __m256i __C)
> +{
> +  return (__m256i) __builtin_ia32_vbmacxor16x16x16_v16hi ((__v16hi) __A,
> +                                                         (__v16hi) __B,
> +                                                         (__v16hi) __C);
> +}
> +
> +extern __inline __m128i
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +_mm128_mask_bitrev_epi8 (__mmask16 __U, __m128i __A, __m128i __B)
> +{
> +  return (__m128i) __builtin_ia32_vbitrevb128_mask ((__v16qi) __A,
> +                                                   (__v16qi) __B,
> +                                                   (__mmask16) __U);
> +}
> +
> +extern __inline __m128i
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +_mm128_maskz_bitrev_epi8 (__mmask16 __U, __m128i __A)
> +{
> +  return (__m128i) __builtin_ia32_vbitrevb128_mask ((__v16qi) __A,
> +                                                   (__v16qi)(__m128i)
> +                                                   _mm_setzero_si128 (),
> +                                                   (__mmask16) __U);
> +}
> +
> +extern __inline __m128i
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +_mm128_bitrev_epi8 (__m128i __A)
> +{
> +  return (__m128i) __builtin_ia32_vbitrevb128_mask ((__v16qi) __A,
> +                                                   (__v16qi)(__m128i)
> +                                                   _mm_undefined_si128 (),
> +                                                   (__mmask16) -1);
> +}
> +
> +extern __inline __m256i
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +_mm256_mask_bitrev_epi8 (__mmask32 __U, __m256i __A, __m256i __B)
> +{
> +  return (__m256i) __builtin_ia32_vbitrevb256_mask ((__v32qi) __A,
> +                                                   (__v32qi) __B,
> +                                                   (__mmask32) __U);
> +}
> +
> +extern __inline __m256i
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +_mm256_maskz_bitrev_epi8 (__mmask32 __U, __m256i __A)
> +{
> +  return (__m256i) __builtin_ia32_vbitrevb256_mask ((__v32qi) __A,
> +                                                   (__v32qi)(__m256i)
> +                                                   _mm256_setzero_si256 (),
> +                                                   (__mmask32) __U);
> +}
> +
> +extern __inline __m256i
> +__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
> +_mm256_bitrev_epi8 (__m256i __A)
> +{
> +  return (__m256i) __builtin_ia32_vbitrevb256_mask ((__v32qi) __A,
> +                                                   (__v32qi)(__m256i)
> +                                                   _mm256_undefined_si256 (),
> +                                                   (__mmask32) -1);
> +}
> +
> +#ifdef __DISABLE_AVX512BMMVL__
> +#undef __DISABLE_AVX512BMMVL__
> +#pragma GCC pop_options
> +#endif /* __DISABLE_AVX512BMMVL__ */
> +
> +#endif /* _AVX512BMMVLINTRIN_H_INCLUDED */
> diff --git a/gcc/config/i386/cpuid.h b/gcc/config/i386/cpuid.h
> index 04149c1640e..c03d71979b6 100644
> --- a/gcc/config/i386/cpuid.h
> +++ b/gcc/config/i386/cpuid.h
> @@ -167,6 +167,9 @@
>  #define bit_AESKLE     ( 1<<0 )
>  #define bit_WIDEKL     ( 1<<2 )
>
> +/* Sub leaf (%eax == 0x21) */
> +#define bit_AVX512BMM  ( 1<<23 )
> +
>  /* AMX sub leaf (%eax == 0x1e, %ecx == 1) */
>  /* %eax */
>  #define bit_AMX_FP8    (1 << 4)
> diff --git a/gcc/config/i386/driver-i386.cc b/gcc/config/i386/driver-i386.cc
> index b54f0af0a2a..abfcb26ac8c 100644
> --- a/gcc/config/i386/driver-i386.cc
> +++ b/gcc/config/i386/driver-i386.cc
> @@ -466,6 +466,8 @@ const char *host_detect_local_cpu (int argc, const char 
> **argv)
>         processor = PROCESSOR_GEODE;
>        else if (has_feature (FEATURE_MOVBE) && family == 22)
>         processor = PROCESSOR_BTVER2;
> +      else if (has_feature (FEATURE_AVX512BMM))
> +       processor = PROCESSOR_ZNVER6;
>        else if (has_feature (FEATURE_AVX512VP2INTERSECT))
>         processor = PROCESSOR_ZNVER5;
>        else if (has_feature (FEATURE_AVX512F))
> @@ -830,6 +832,9 @@ const char *host_detect_local_cpu (int argc, const char 
> **argv)
>      case PROCESSOR_ZNVER5:
>        cpu = "znver5";
>        break;
> +    case PROCESSOR_ZNVER6:
> +      cpu = "znver6";
> +      break;
>      case PROCESSOR_BTVER1:
>        cpu = "btver1";
>        break;
> diff --git a/gcc/config/i386/i386-builtin.def 
> b/gcc/config/i386/i386-builtin.def
> index fe42c64364f..e443c6acb47 100644
> --- a/gcc/config/i386/i386-builtin.def
> +++ b/gcc/config/i386/i386-builtin.def
> @@ -2881,6 +2881,14 @@ BDESC (OPTION_MASK_ISA_AVX512VL, 
> OPTION_MASK_ISA2_AVX512BF16, CODE_FOR_avx512f_d
>  BDESC (OPTION_MASK_ISA_AVX512VL, OPTION_MASK_ISA2_AVX512BF16, 
> CODE_FOR_avx512f_dpbf16ps_v4sf_maskz, "__builtin_ia32_dpbf16ps_v4sf_maskz", 
> IX86_BUILTIN_DPBF16PS_V4SF_MASKZ, UNKNOWN, (int) 
> V4SF_FTYPE_V4SF_V8BF_V8BF_UQI)
>  BDESC (OPTION_MASK_ISA_SSE2, 0, CODE_FOR_extendbfsf2_1, 
> "__builtin_ia32_cvtbf2sf", IX86_BUILTIN_CVTBF2SF, UNKNOWN, (int) 
> FLOAT_FTYPE_BFLOAT16)
>
> +/* AVX512BMM.  */
> +BDESC (OPTION_MASK_ISA_AVX512VL, OPTION_MASK_ISA2_AVX512BMM, 
> CODE_FOR_avx512bmm_vbmacor16x16x16_v16hi, 
> "__builtin_ia32_vbmacor16x16x16_v16hi", IX86_BUILTIN_VBMACORV16HI, UNKNOWN, 
> (int) V16HI_FTYPE_V16HI_V16HI_V16HI)
> +BDESC (0, OPTION_MASK_ISA2_AVX512BMM, 
> CODE_FOR_avx512bmm_vbmacor16x16x16_v32hi, 
> "__builtin_ia32_vbmacor16x16x16_v32hi", IX86_BUILTIN_VBMACORV32HI, UNKNOWN, 
> (int) V32HI_FTYPE_V32HI_V32HI_V32HI)
> +BDESC (OPTION_MASK_ISA_AVX512VL, OPTION_MASK_ISA2_AVX512BMM, 
> CODE_FOR_avx512bmm_vbmacxor16x16x16_v16hi, 
> "__builtin_ia32_vbmacxor16x16x16_v16hi", IX86_BUILTIN_VBMACXORV16HI, UNKNOWN, 
> (int) V16HI_FTYPE_V16HI_V16HI_V16HI)
> +BDESC (0, OPTION_MASK_ISA2_AVX512BMM, 
> CODE_FOR_avx512bmm_vbmacxor16x16x16_v32hi, 
> "__builtin_ia32_vbmacxor16x16x16_v32hi", IX86_BUILTIN_VBMACXORV32HI, UNKNOWN, 
> (int) V32HI_FTYPE_V32HI_V32HI_V32HI)
> +BDESC (OPTION_MASK_ISA_AVX512VL, OPTION_MASK_ISA2_AVX512BMM, 
> CODE_FOR_avx512bmm_vbitrevb_v16qi_mask, "__builtin_ia32_vbitrevb128_mask", 
> IX86_BUILTIN_VBITREV16_MASK, UNKNOWN, (int) V16QI_FTYPE_V16QI_V16QI_UHI)
> +BDESC (OPTION_MASK_ISA_AVX512VL, OPTION_MASK_ISA2_AVX512BMM, 
> CODE_FOR_avx512bmm_vbitrevb_v32qi_mask, "__builtin_ia32_vbitrevb256_mask", 
> IX86_BUILTIN_VBITREV32_MASK, UNKNOWN, (int) V32QI_FTYPE_V32QI_V32QI_USI)
> +BDESC (0, OPTION_MASK_ISA2_AVX512BMM, 
> CODE_FOR_avx512bmm_vbitrevb_v64qi_mask, "__builtin_ia32_vbitrevb512_mask", 
> IX86_BUILTIN_VBITREV64_MASK, UNKNOWN, (int) V64QI_FTYPE_V64QI_V64QI_UDI)
>
>  /* AVX512FP16.  */
>  BDESC (OPTION_MASK_ISA_AVX512VL, OPTION_MASK_ISA2_AVX512FP16, 
> CODE_FOR_addv8hf3_mask, "__builtin_ia32_addph128_mask", 
> IX86_BUILTIN_ADDPH128_MASK, UNKNOWN, (int) V8HF_FTYPE_V8HF_V8HF_V8HF_UQI)
> diff --git a/gcc/config/i386/i386-c.cc b/gcc/config/i386/i386-c.cc
> index 2d92cee458c..a3df160456e 100644
> --- a/gcc/config/i386/i386-c.cc
> +++ b/gcc/config/i386/i386-c.cc
> @@ -140,6 +140,10 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
>        def_or_undef (parse_in, "__znver5");
>        def_or_undef (parse_in, "__znver5__");
>        break;
> +    case PROCESSOR_ZNVER6:
> +      def_or_undef (parse_in, "__znver6");
> +      def_or_undef (parse_in, "__znver6__");
> +      break;
>      case PROCESSOR_BTVER1:
>        def_or_undef (parse_in, "__btver1");
>        def_or_undef (parse_in, "__btver1__");
> @@ -386,6 +390,9 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
>      case PROCESSOR_ZNVER5:
>        def_or_undef (parse_in, "__tune_znver5__");
>        break;
> +    case PROCESSOR_ZNVER6:
> +      def_or_undef (parse_in, "__tune_znver6__");
> +      break;
>      case PROCESSOR_BTVER1:
>        def_or_undef (parse_in, "__tune_btver1__");
>        break;
> @@ -756,6 +763,8 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
>      def_or_undef (parse_in, "__MOVRS__");
>    if (isa_flag2 & OPTION_MASK_ISA2_AMX_MOVRS)
>      def_or_undef (parse_in, "__AMX_MOVRS__");
> +  if (isa_flag2 & OPTION_MASK_ISA2_AVX512BMM)
> +    def_or_undef (parse_in, "__AVX512BMM__");
>    if (TARGET_IAMCU)
>      {
>        def_or_undef (parse_in, "__iamcu");
> diff --git a/gcc/config/i386/i386-isa.def b/gcc/config/i386/i386-isa.def
> index a1d994c66fa..440bb24e9b7 100644
> --- a/gcc/config/i386/i386-isa.def
> +++ b/gcc/config/i386/i386-isa.def
> @@ -125,3 +125,4 @@ DEF_PTA(AMX_TF32)
>  DEF_PTA(AMX_FP8)
>  DEF_PTA(MOVRS)
>  DEF_PTA(AMX_MOVRS)
> +DEF_PTA(AVX512BMM)
> diff --git a/gcc/config/i386/i386-options.cc b/gcc/config/i386/i386-options.cc
> index 35064d83a00..135bcab783d 100644
> --- a/gcc/config/i386/i386-options.cc
> +++ b/gcc/config/i386/i386-options.cc
> @@ -177,11 +177,12 @@ along with GCC; see the file COPYING3.  If not see
>  #define m_ZNVER3 (HOST_WIDE_INT_1U<<PROCESSOR_ZNVER3)
>  #define m_ZNVER4 (HOST_WIDE_INT_1U<<PROCESSOR_ZNVER4)
>  #define m_ZNVER5 (HOST_WIDE_INT_1U<<PROCESSOR_ZNVER5)
> +#define m_ZNVER6 (HOST_WIDE_INT_1U<<PROCESSOR_ZNVER6)
>  #define m_BTVER1 (HOST_WIDE_INT_1U<<PROCESSOR_BTVER1)
>  #define m_BTVER2 (HOST_WIDE_INT_1U<<PROCESSOR_BTVER2)
>  #define m_BDVER        (m_BDVER1 | m_BDVER2 | m_BDVER3 | m_BDVER4)
>  #define m_BTVER (m_BTVER1 | m_BTVER2)
> -#define m_ZNVER (m_ZNVER1 | m_ZNVER2 | m_ZNVER3 | m_ZNVER4 | m_ZNVER5)
> +#define m_ZNVER (m_ZNVER1 | m_ZNVER2 | m_ZNVER3 | m_ZNVER4 | m_ZNVER5 | 
> m_ZNVER6)
>  #define m_AMD_MULTIPLE (m_ATHLON_K8 | m_AMDFAM10 | m_BDVER | m_BTVER \
>                         | m_ZNVER)
>
> @@ -267,7 +268,8 @@ static struct ix86_target_opts isa2_opts[] =
>    { "-mamx-tf32",      OPTION_MASK_ISA2_AMX_TF32 },
>    { "-mamx-fp8",       OPTION_MASK_ISA2_AMX_FP8 },
>    { "-mmovrs",         OPTION_MASK_ISA2_MOVRS },
> -  { "-mamx-movrs",     OPTION_MASK_ISA2_AMX_MOVRS }
> +  { "-mamx-movrs",     OPTION_MASK_ISA2_AMX_MOVRS },
> +  { "-mavx512bmm",     OPTION_MASK_ISA2_AVX512BMM }
>  };
>  static struct ix86_target_opts isa_opts[] =
>  {
> @@ -811,7 +813,8 @@ static const struct processor_costs 
> *processor_cost_table[] =
>    &znver2_cost,                /* PROCESSOR_ZNVER2.            */
>    &znver3_cost,                /* PROCESSOR_ZNVER3.            */
>    &znver4_cost,                /* PROCESSOR_ZNVER4.            */
> -  &znver5_cost         /* PROCESSOR_ZNVER5.            */
> +  &znver5_cost,                /* PROCESSOR_ZNVER5.            */
> +  &znver5_cost         /* PROCESSOR_ZNVER6.            */
>  };
>
>  /* Guarantee that the array is aligned with enum processor_type.  */
> @@ -1127,6 +1130,7 @@ ix86_valid_target_attribute_inner_p (tree fndecl, tree 
> args, char *p_strings[],
>      IX86_ATTR_ISA ("amx-fp8", OPT_mamx_fp8),
>      IX86_ATTR_ISA ("movrs", OPT_mmovrs),
>      IX86_ATTR_ISA ("amx-movrs", OPT_mamx_movrs),
> +    IX86_ATTR_ISA ("avx512bmm", OPT_mavx512bmm),
>
>      /* enum options */
>      IX86_ATTR_ENUM ("fpmath=", OPT_mfpmath_),
> diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc
> index 75a9cb6211a..f6596365b8e 100644
> --- a/gcc/config/i386/i386.cc
> +++ b/gcc/config/i386/i386.cc
> @@ -25543,7 +25543,7 @@ ix86_reassociation_width (unsigned int op, 
> machine_mode mode)
>         return 1;
>        /* Znver5 can do 2 integer multiplications per cycle with latency
>          of 3.  */
> -      if (ix86_tune == PROCESSOR_ZNVER5
> +      if ((ix86_tune == PROCESSOR_ZNVER5 || ix86_tune == PROCESSOR_ZNVER6)
>           && INTEGRAL_MODE_P (mode) && op != PLUS && op != MINUS)
>         width = 6;
>
> diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
> index b93411796af..2355f40f2dc 100644
> --- a/gcc/config/i386/i386.h
> +++ b/gcc/config/i386/i386.h
> @@ -2377,6 +2377,7 @@ enum processor_type
>    PROCESSOR_ZNVER3,
>    PROCESSOR_ZNVER4,
>    PROCESSOR_ZNVER5,
> +  PROCESSOR_ZNVER6,
>    PROCESSOR_max
>  };
>
> @@ -2522,6 +2523,8 @@ constexpr wide_int_bitmask PTA_ZNVER4 = PTA_ZNVER3 | 
> PTA_AVX512F | PTA_AVX512DQ
>    | PTA_AVX512VNNI | PTA_AVX512BITALG | PTA_AVX512VPOPCNTDQ;
>  constexpr wide_int_bitmask PTA_ZNVER5 = PTA_ZNVER4 | PTA_AVXVNNI
>    | PTA_MOVDIRI | PTA_MOVDIR64B | PTA_AVX512VP2INTERSECT | PTA_PREFETCHI;
> +constexpr wide_int_bitmask PTA_ZNVER6 = PTA_ZNVER5 | PTA_AVXVNNIINT8
> +  | PTA_AVXNECONVERT | PTA_AVX512BMM | PTA_AVXIFMA | PTA_AVX512FP16;
>
>  constexpr wide_int_bitmask PTA_BTVER1 = PTA_64BIT | PTA_MMX | PTA_SSE
>    | PTA_SSE2 | PTA_SSE3 | PTA_SSSE3 | PTA_SSE4A | PTA_LZCNT | PTA_POPCNT
> diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
> index b5d83893425..7e389555985 100644
> --- a/gcc/config/i386/i386.md
> +++ b/gcc/config/i386/i386.md
> @@ -530,7 +530,7 @@
>  (define_attr "cpu" "none,pentium,pentiumpro,geode,k6,athlon,k8,core2,nehalem,
>                     
> atom,slm,glm,haswell,generic,lujiazui,yongfeng,amdfam10,bdver1,
>                     bdver2,bdver3,bdver4,btver2,znver1,znver2,znver3,znver4,
> -                   znver5"
> +                   znver5,znver6"
>    (const (symbol_ref "ix86_schedule")))
>
>  ;; A basic instruction type.  Refinements due to arguments to be
> diff --git a/gcc/config/i386/i386.opt b/gcc/config/i386/i386.opt
> index c0093ef1243..15591033634 100644
> --- a/gcc/config/i386/i386.opt
> +++ b/gcc/config/i386/i386.opt
> @@ -1373,3 +1373,7 @@ Support MOVRS built-in functions and code generation.
>  mamx-movrs
>  Target Mask(ISA2_AMX_MOVRS) Var(ix86_isa_flags2) Save
>  Support AMX-MOVRS built-in functions and code generation.
> +
> +mavx512bmm
> +Target Mask(ISA2_AVX512BMM) Var(ix86_isa_flags2) Save
> +Support AVX512BMM built-in functions and code generation.
> diff --git a/gcc/config/i386/i386.opt.urls b/gcc/config/i386/i386.opt.urls
> index 129d91f0c28..094ea83210b 100644
> --- a/gcc/config/i386/i386.opt.urls
> +++ b/gcc/config/i386/i386.opt.urls
> @@ -614,3 +614,6 @@ UrlSuffix(gcc/x86-Options.html#index-mmovrs)
>  mamx-movrs
>  UrlSuffix(gcc/x86-Options.html#index-mamx-movrs)
>
> +mavx512bmm
> +UrlSuffix(gcc/x86-Options.html#index-mavx512bmm)
> +
> diff --git a/gcc/config/i386/immintrin.h b/gcc/config/i386/immintrin.h
> index f5a11ff4765..3eb7481afbb 100644
> --- a/gcc/config/i386/immintrin.h
> +++ b/gcc/config/i386/immintrin.h
> @@ -159,4 +159,8 @@
>  #include <movrsintrin.h>
>
>  #include <amxmovrsintrin.h>
> +
> +#include <avx512bmmintrin.h>
> +
> +#include <avx512bmmvlintrin.h>
>  #endif /* _IMMINTRIN_H_INCLUDED */
> diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
> index fb79b2e67df..46ee77ba38e 100644
> --- a/gcc/config/i386/sse.md
> +++ b/gcc/config/i386/sse.md
> @@ -251,6 +251,11 @@
>    UNSPEC_MINMAXBF16
>    UNSPEC_MINMAX
>
> +  ;; For AVX512BMM support
> +  UNSPEC_VBMACOR
> +  UNSPEC_VBMACXOR
> +  UNSPEC_VBITREV
> +
>    ;; For MOVRS suppport
>    UNSPEC_VMOVRS
>  ])
> @@ -33137,3 +33142,55 @@
>     (set_attr "prefix" "evex")
>     (set_attr "memory" "load")
>     (set_attr "mode" "<sseinsnmode>")])
> +
> +(define_mode_iterator VI2_256_512_AVX512VL
> +  [V32HI (V16HI "TARGET_AVX512VL")])
> +
> +(define_insn "avx512bmm_vbmacor16x16x16_<mode>"
> +  [(set (match_operand:VI2_256_512_AVX512VL 0 "register_operand" "=v")
> +       (unspec:VI2_256_512_AVX512VL
> +         [(match_operand:VI2_256_512_AVX512VL 1 "register_operand" "0")
> +          (match_operand:VI2_256_512_AVX512VL 2 "register_operand" "v")
> +          (match_operand:VI2_256_512_AVX512VL 3 "nonimmediate_operand" "vm")]
> +         UNSPEC_VBMACOR))]
> +  "TARGET_AVX512BMM"
> +  "vbmacor16x16x16\t{%3, %2, %0|%0, %2, %3}"
> +   [(set_attr ("prefix") ("evex"))
> +   (set_attr "mode" "<sseinsnmode>")])
> +
> +
> +(define_insn "avx512bmm_vbmacxor16x16x16_<mode>"
> +  [(set (match_operand:VI2_256_512_AVX512VL 0 "register_operand" "=v")
> +       (unspec:VI2_256_512_AVX512VL
> +         [(match_operand:VI2_256_512_AVX512VL 1 "register_operand" "0")
> +          (match_operand:VI2_256_512_AVX512VL 2 "register_operand" "v")
> +          (match_operand:VI2_256_512_AVX512VL 3 "nonimmediate_operand" "vm")]
> +         UNSPEC_VBMACXOR))]
> +  "TARGET_AVX512BMM"
> +  "vbmacxor16x16x16\t{%3, %2, %0|%0, %2, %3}"
> +   [(set_attr ("prefix") ("evex"))
> +   (set_attr "mode" "<sseinsnmode>")])
> +
> +(define_insn "avx512bmm_vbitrevb_<mode>_mask"
> +  [(set (match_operand:VI1_AVX512VL 0 "register_operand" "=v")
> +       (vec_merge:VI1_AVX512VL
> +         (unspec:VI1_AVX512VL
> +            [(match_operand:VI1_AVX512VL 1 "nonimmediate_operand" "vm")]
> +           UNSPEC_VBITREV)
> +         (match_operand:VI1_AVX512VL 2 "reg_or_0_operand" "0C")
> +         (match_operand:<avx512fmaskmode> 3 "register_operand" "Yk")))]
> +  "TARGET_AVX512BMM"
> +  "vbitrevb\t{%1, %0%{%3%}%N2|%0%{%3%}%N2, %1}"
> +  [(set_attr "prefix" "evex")
> +   (set_attr "mode" "<sseinsnmode>")])
> +
> +(define_insn "avx512bmm_vbitrevb_<mode>"
> +  [(set (match_operand:VI1_AVX512VL 0 "register_operand" "=v")
> +       (unspec:VI1_AVX512VL
> +         [(match_operand:VI1_AVX512VL 1 "nonimmediate_operand" "vm")]
> +          UNSPEC_VBITREV)
> +       )]
> +  "TARGET_AVX512BMM"
> +  "vbitrevb\t{%1, %0|%0, %1}"
> +  [(set_attr "prefix" "evex")
> +   (set_attr "mode" "<sseinsnmode>")])
> diff --git a/gcc/config/i386/x86-tune-sched.cc 
> b/gcc/config/i386/x86-tune-sched.cc
> index 11b33382ecb..ff887a89ea0 100644
> --- a/gcc/config/i386/x86-tune-sched.cc
> +++ b/gcc/config/i386/x86-tune-sched.cc
> @@ -90,6 +90,7 @@ ix86_issue_rate (void)
>         is not going to be able to use more than 4 instructions since that
>         is limits of the decoders.  */
>      case PROCESSOR_ZNVER5:
> +    case PROCESSOR_ZNVER6:
>        return 4;
>
>      case PROCESSOR_ICELAKE_CLIENT:
> @@ -438,6 +439,7 @@ ix86_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn 
> *dep_insn, int cost,
>      case PROCESSOR_ZNVER3:
>      case PROCESSOR_ZNVER4:
>      case PROCESSOR_ZNVER5:
> +    case PROCESSOR_ZNVER6:
>        /* Stack engine allows to execute push&pop instructions in parall.  */
>        if ((insn_type == TYPE_PUSH || insn_type == TYPE_POP)
>           && (dep_insn_type == TYPE_PUSH || dep_insn_type == TYPE_POP))
> diff --git a/gcc/config/i386/x86-tune.def b/gcc/config/i386/x86-tune.def
> index dcd26d59351..c5c0f40358d 100644
> --- a/gcc/config/i386/x86-tune.def
> +++ b/gcc/config/i386/x86-tune.def
> @@ -147,13 +147,14 @@ DEF_TUNE (X86_TUNE_FUSE_CMP_AND_BRANCH_SOFLAGS, 
> "fuse_cmp_and_branch_soflags",
>     TODO: znver5 supports fusing with SUB, ADD, INC, DEC, OR, AND,
>     There is also limitation for immediate and displacement supported.  */
>  DEF_TUNE (X86_TUNE_FUSE_ALU_AND_BRANCH, "fuse_alu_and_branch",
> -         m_SANDYBRIDGE | m_CORE_AVX2 | m_ZHAOXIN | m_GENERIC | m_ZNVER3 | 
> m_ZNVER4 | m_ZNVER5)
> +         m_SANDYBRIDGE | m_CORE_AVX2 | m_ZHAOXIN | m_GENERIC | m_ZNVER3 | 
> m_ZNVER4 | m_ZNVER5
> +         | m_ZNVER6)
>
>  /* X86_TUNE_FUSE_MOV_AND_ALU: mov and alu in case mov is reg-reg mov
>     and the destination is used by alu.  alu must be one of
>     ADD, ADC, AND, XOR, OR, SUB, SBB, INC, DEC, NOT, SAL, SHL, SHR, SAR.  */
>  DEF_TUNE (X86_TUNE_FUSE_MOV_AND_ALU, "fuse_mov_and_alu",
> -        m_ZNVER5 | m_GRANITERAPIDS | m_GRANITERAPIDS_D)
> +        m_ZNVER5 | m_ZNVER6 | m_GRANITERAPIDS | m_GRANITERAPIDS_D)
>
>  /* X86_TUNE_FUSE_AND_BRANCH_MEM: Fuse alu with a subsequent conditional
>     jump instruction when alu contains memory operand.
> @@ -519,7 +520,7 @@ DEF_TUNE (X86_TUNE_USE_GATHER_2PARTS, "use_gather_2parts",
>  /* X86_TUNE_USE_SCATTER_2PARTS: Use scater instructions for vectors with 2
>     elements.  */
>  DEF_TUNE (X86_TUNE_USE_SCATTER_2PARTS, "use_scatter_2parts",
> -         ~(m_ZNVER4 | m_ZNVER5))
> +         ~(m_ZNVER4 | m_ZNVER5 | m_ZNVER6))
>
>  /* X86_TUNE_USE_GATHER_4PARTS: Use gather instructions for vectors with 4
>     elements.  */
> @@ -530,7 +531,7 @@ DEF_TUNE (X86_TUNE_USE_GATHER_4PARTS, "use_gather_4parts",
>  /* X86_TUNE_USE_SCATTER_4PARTS: Use scater instructions for vectors with 4
>     elements.  */
>  DEF_TUNE (X86_TUNE_USE_SCATTER_4PARTS, "use_scatter_4parts",
> -         ~(m_ZNVER4 | m_ZNVER5))
> +         ~(m_ZNVER4 | m_ZNVER5 | m_ZNVER6))
>
>  /* X86_TUNE_USE_GATHER: Use gather instructions for vectors with 8 or more
>     elements.  */
> @@ -541,7 +542,7 @@ DEF_TUNE (X86_TUNE_USE_GATHER_8PARTS, "use_gather_8parts",
>  /* X86_TUNE_USE_SCATTER: Use scater instructions for vectors with 8 or more
>     elements.  */
>  DEF_TUNE (X86_TUNE_USE_SCATTER_8PARTS, "use_scatter_8parts",
> -         ~(m_ZNVER4 | m_ZNVER5))
> +         ~(m_ZNVER4 | m_ZNVER5 | m_ZNVER6))
>
>  /* X86_TUNE_AVOID_128FMA_CHAINS: Avoid creating loops with tight 128bit or
>     smaller FMA chain.  */
> @@ -551,13 +552,14 @@ DEF_TUNE (X86_TUNE_AVOID_128FMA_CHAINS, 
> "avoid_fma_chains", m_ZNVER
>  /* X86_TUNE_AVOID_256FMA_CHAINS: Avoid creating loops with tight 256bit or
>     smaller FMA chain.  */
>  DEF_TUNE (X86_TUNE_AVOID_256FMA_CHAINS, "avoid_fma256_chains",
> -         m_ZNVER2 | m_ZNVER3 | m_ZNVER4 | m_ZNVER5 | m_CORE_HYBRID
> +         m_ZNVER2 | m_ZNVER3 | m_ZNVER4 | m_ZNVER5  | m_ZNVER6 | 
> m_CORE_HYBRID
>           | m_SAPPHIRERAPIDS | m_GRANITERAPIDS | m_GRANITERAPIDS_D
>           | m_DIAMONDRAPIDS | m_CORE_ATOM | m_GENERIC)
>
>  /* X86_TUNE_AVOID_512FMA_CHAINS: Avoid creating loops with tight 512bit or
>     smaller FMA chain.  */
> -DEF_TUNE (X86_TUNE_AVOID_512FMA_CHAINS, "avoid_fma512_chains", m_ZNVER5)
> +DEF_TUNE (X86_TUNE_AVOID_512FMA_CHAINS, "avoid_fma512_chains", m_ZNVER5
> +         | m_ZNVER6)
>
>  /* X86_TUNE_V2DF_REDUCTION_PREFER_PHADDPD: Prefer haddpd
>     for v2df vector reduction.  */
> @@ -622,7 +624,7 @@ DEF_TUNE (X86_TUNE_AVX256_MOVE_BY_PIECES, 
> "avx256_move_by_pieces",
>  /* X86_TUNE_AVX512_MOVE_BY_PIECES: Optimize move_by_pieces with 512-bit
>     AVX instructions.  */
>  DEF_TUNE (X86_TUNE_AVX512_MOVE_BY_PIECES, "avx512_move_by_pieces",
> -          m_ZNVER4 | m_ZNVER5)
> +          m_ZNVER4 | m_ZNVER5 | m_ZNVER6)
>
>  /* X86_TUNE_AVX512_TWO_EPILOGUES: Use two vector epilogues for 512-bit
>     vectorized loops.  */
> diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
> index 5f36510135c..b9fb146dc41 100644
> --- a/gcc/doc/extend.texi
> +++ b/gcc/doc/extend.texi
> @@ -29076,8 +29076,14 @@ AMD Family 19h Zen version 3.
>  @item znver4
>  AMD Family 19h Zen version 4.
>
> +@item amdfam1ah
> +AMD Family 1ah CPU.
> +
>  @item znver5
>  AMD Family 1ah Zen version 5.
> +
> +@item znver6
> +AMD Family 1ah Zen version 6.
>  @end table
>
>  Here is an example:
> diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
> index 8db0aa0ceb7..061e8b6b8f6 100644
> --- a/gcc/doc/invoke.texi
> +++ b/gcc/doc/invoke.texi
> @@ -1569,7 +1569,7 @@ See RS/6000 and PowerPC Options.
>  -mavx512fp16 -mavxifma -mavxvnniint8 -mavxneconvert -mcmpccxadd -mamx-fp16
>  -mprefetchi -mraoint -mamx-complex -mavxvnniint16 -msm3 -msha512 -msm4 -mapxf
>  -musermsr -mavx10.1 -mavx10.2 -mamx-avx512 -mamx-tf32 -mmovrs -mamx-movrs
> --mcldemote  -mms-bitfields  -mno-align-stringops  -minline-all-stringops
> +-mavx512bmm -mcldemote -mms-bitfields -mno-align-stringops 
> -minline-all-stringops
>  -minline-stringops-dynamically  -mstringop-strategy=@var{alg}
>  -mkl -mwidekl
>  -mmemcpy-strategy=@var{strategy}  -mmemset-strategy=@var{strategy}
> @@ -35845,6 +35845,17 @@ AVX512BW, AVX512VL, AVX512BF16, AVX512VBMI, 
> AVX512VBMI2, AVX512VNNI,
>  AVX512BITALG, AVX512VPOPCNTDQ, GFNI, AVXVNNI, MOVDIRI, MOVDIR64B,
>  AVX512VP2INTERSECT, PREFETCHI and 64-bit instruction set extensions.)
>
> +@item znver6
> +AMD Family 1ah core based CPUs with x86-64 instruction set support. (This
> +supersets BMI, BMI2, CLWB, F16C, FMA, FSGSBASE, AVX, AVX2, ADCX, RDSEED,
> +MWAITX, SHA, CLZERO, AES, PCLMUL, CX16, MOVBE, MMX, SSE, SSE2, SSE3, SSE4A,
> +SSSE3, SSE4.1, SSE4.2, ABM, XSAVEC, XSAVES, CLFLUSHOPT, POPCNT, RDPID,
> +WBNOINVD, PKU, VPCLMULQDQ, VAES, AVX512F, AVX512DQ, AVX512IFMA, AVX512CD,
> +AVX512BW, AVX512VL, AVX512BF16, AVX512VBMI, AVX512VBMI2, AVX512VNNI,
> +AVX512BITALG, AVX512VPOPCNTDQ, GFNI, AVXVNNI, MOVDIRI, MOVDIR64B,
> +AVX512VP2INTERSECT, PREFETCHI, AVXVNNIINT8, AVXIFMA, AVX512FP16, 
> AVXNECONVERT,
> +AVX512BMM and 64-bit instruction set extensions.)
> +
>  @item btver1
>  CPUs based on AMD Family 14h cores with x86-64 instruction set support.  
> (This
>  supersets MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, CX16, ABM and 64-bit
> @@ -36649,6 +36660,9 @@ preferred alignment to 
> @option{-mpreferred-stack-boundary=2}.
>  @need 200
>  @opindex mamx-movrs
>  @itemx -mamx-movrs
> +@need 200
> +@opindex mavx512bmm
> +@itemx -mavx512bmm
>  These switches enable the use of instructions in the MMX, SSE,
>  AVX512CD, AVX512VL, AVX512BW, AVX512DQ, AVX512IFMA, AVX512VBMI, SHA, AES,
>  PCLMUL, CLFLUSHOPT, CLWB, FSGSBASE, PTWRITE, RDRND, F16C, FMA, PCONFIG,
> @@ -36660,8 +36674,8 @@ AVX512VPOPCNTDQ, AVX512VNNI, SERIALIZE, UINTR, 
> HRESET, AMXTILE, AMXINT8,
>  AMXBF16, KL, WIDEKL, AVXVNNI, AVX512-FP16, AVXIFMA, AVXVNNIINT8, 
> AVXNECONVERT,
>  CMPCCXADD, AMX-FP16, PREFETCHI, RAOINT, AMX-COMPLEX, AVXVNNIINT16, SM3, 
> SHA512,
>  SM4, APX_F, USER_MSR, AVX10.1, AVX10.2, AMX-AVX512, AMX-TF32, AMX-FP8, MOVRS,
> -AMX-MOVRS or CLDEMOTE extended instruction sets. Each has a corresponding
> -@option{-mno-} option to disable use of these instructions.
> +AMX-MOVRS, AVX512BMM or CLDEMOTE extended instruction sets. Each has a
> +corresponding @option{-mno-} option to disable use of these instructions.
>
>  These extensions are also available as built-in functions: see
>  @ref{x86 Built-in Functions}, for details of the functions enabled and
> diff --git a/gcc/testsuite/g++.target/i386/mv29.C 
> b/gcc/testsuite/g++.target/i386/mv29.C
> index ab229534edd..e0abc2a0f91 100644
> --- a/gcc/testsuite/g++.target/i386/mv29.C
> +++ b/gcc/testsuite/g++.target/i386/mv29.C
> @@ -57,6 +57,10 @@ int __attribute__ ((target("arch=znver5"))) foo () {
>    return 11;
>  }
>
> +int __attribute__ ((target("arch=znver6"))) foo () {
> +  return 12;
> +}
> +
>  int main ()
>  {
>    int val = foo ();
> @@ -83,6 +87,8 @@ int main ()
>      assert (val == 10);
>    else if (__builtin_cpu_is ("znver5"))
>      assert (val == 11);
> +  else if (__builtin_cpu_is ("znver6"))
> +    assert (val == 12);
>    else
>      assert (val == 0);
>
> diff --git a/gcc/testsuite/gcc.target/i386/avx512bmm-1.c 
> b/gcc/testsuite/gcc.target/i386/avx512bmm-1.c
> new file mode 100644
> index 00000000000..9e7d2b372db
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/i386/avx512bmm-1.c
> @@ -0,0 +1,26 @@
> +/* { dg-do compile } */
> +/* { dg-options "-mavx512bmm -O2" } */
> +/* { dg-final { scan-assembler-times "vbmacor16x16x16\[ 
> \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+(?:\n|\[
>  \\t\]+#)" 1 } } */
> +/* { dg-final { scan-assembler-times "vbmacxor16x16x16\[ 
> \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+\[^\n\r]*%zmm\[0-9\]+(?:\n|\[
>  \\t\]+#)" 1 } } */
> +/* { dg-final { scan-assembler-times "vbitrevb\[ 
> \\t\]+\[^\{\n\]*%zmm\[0-9\]+(?:\n|\[ \\t\]+#)"  1 } } */
> +/* { dg-final { scan-assembler-times "vbitrevb\[ 
> \\t\]+\[^\{\n\]*%zmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
> +/* { dg-final { scan-assembler-times "vbitrevb\[ 
> \\t\]+\[^\{\n\]*%zmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
> +
> +#include <immintrin.h>
> +
> +volatile __m512i x,y,z;
> +volatile __mmask64 m;
> +
> +__m512i extern
> +avx512bmm_test (void)
> +{
> +  x = _mm512_bmacor16x16x16 (x, y, z);
> +
> +  x = _mm512_bmacxor16x16x16 (x, y, z);
> +
> +  x = _mm512_bitrev_epi8 (x);
> +
> +  x = _mm512_mask_bitrev_epi8 (m, x, y);
> +
> +  x = _mm512_maskz_bitrev_epi8 (m, x);
> +}
> diff --git a/gcc/testsuite/gcc.target/i386/avx512bmmvl-1.c 
> b/gcc/testsuite/gcc.target/i386/avx512bmmvl-1.c
> new file mode 100644
> index 00000000000..e328c629c1e
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/i386/avx512bmmvl-1.c
> @@ -0,0 +1,35 @@
> +/* { dg-do compile } */
> +/* { dg-options "-mavx512bmm -mavx512vl -O2" } */
> +/* { dg-final { scan-assembler-times "vbmacor16x16x16\[ 
> \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+(?:\n|\[
>  \\t\]+#)" 1 } } */
> +/* { dg-final { scan-assembler-times "vbmacxor16x16x16\[ 
> \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+\[^\n\r]*%ymm\[0-9\]+(?:\n|\[
>  \\t\]+#)" 1 } } */
> +/* { dg-final { scan-assembler-times "vbitrevb\[ 
> \\t\]+\[^\{\n\]*%ymm\[0-9\]+(?:\n|\[ \\t\]+#)"  1 } } */
> +/* { dg-final { scan-assembler-times "vbitrevb\[ 
> \\t\]+\[^\{\n\]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)"  1 } } */
> +/* { dg-final { scan-assembler-times "vbitrevb\[ 
> \\t\]+\[^\{\n\]*%ymm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
> +/* { dg-final { scan-assembler-times "vbitrevb\[ 
> \\t\]+\[^\{\n\]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
> +/* { dg-final { scan-assembler-times "vbitrevb\[ 
> \\t\]+\[^\{\n\]*%ymm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
> +/* { dg-final { scan-assembler-times "vbitrevb\[ 
> \\t\]+\[^\{\n\]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
> +
> +
> +#include <immintrin.h>
> +
> +volatile __m256i x,y,z;
> +volatile __m128i x_,y_,z_;
> +volatile __mmask32 m;
> +volatile __mmask16 m_;
> +
> +void extern
> +avx512bmm_test (void)
> +{
> +  x = _mm256_bmacor16x16x16 (x, y, z);
> +
> +  x = _mm256_bmacxor16x16x16 (x, y, z);
> +
> +  x = _mm256_mask_bitrev_epi8 (m, x, y);
> +  x_ = _mm128_mask_bitrev_epi8 (m_, x_, y_);
> +
> +  x = _mm256_maskz_bitrev_epi8 (m, y);
> +  x_ = _mm128_maskz_bitrev_epi8 (m_, y_);
> +
> +  x = _mm256_bitrev_epi8 (x);
> +  x_ = _mm128_bitrev_epi8 (x_);
> +}
> diff --git a/gcc/testsuite/gcc.target/i386/funcspec-56.inc 
> b/gcc/testsuite/gcc.target/i386/funcspec-56.inc
> index f56b344b6c8..aa395185bc7 100644
> --- a/gcc/testsuite/gcc.target/i386/funcspec-56.inc
> +++ b/gcc/testsuite/gcc.target/i386/funcspec-56.inc
> @@ -238,6 +238,7 @@ extern void test_arch_znver2 (void)             
> __attribute__((__target__("arch=
>  extern void test_arch_znver3 (void)             
> __attribute__((__target__("arch=znver3")));
>  extern void test_arch_znver4 (void)             
> __attribute__((__target__("arch=znver4")));
>  extern void test_arch_znver5 (void)             
> __attribute__((__target__("arch=znver5")));
> +extern void test_arch_znver6 (void)             
> __attribute__((__target__("arch=znver6")));
>
>  extern void test_tune_nocona (void)            
> __attribute__((__target__("tune=nocona")));
>  extern void test_tune_core2 (void)             
> __attribute__((__target__("tune=core2")));
> @@ -265,6 +266,7 @@ extern void test_tune_znver2 (void)             
> __attribute__((__target__("tune=
>  extern void test_tune_znver3 (void)             
> __attribute__((__target__("tune=znver3")));
>  extern void test_tune_znver4 (void)             
> __attribute__((__target__("tune=znver4")));
>  extern void test_tune_znver5 (void)             
> __attribute__((__target__("tune=znver5")));
> +extern void test_tune_znver6 (void)             
> __attribute__((__target__("tune=znver6")));
>
>  extern void test_fpmath_sse (void)             
> __attribute__((__target__("sse2,fpmath=sse")));
>  extern void test_fpmath_387 (void)             
> __attribute__((__target__("sse2,fpmath=387")));
> --
> 2.48.1
>


-- 
BR,
Hongtao

Reply via email to