[gcc r17-2973] Add ISA support for AVX10_V2_AUX and FP32 to FP8 single-source RTNE converts.

Venkataramanan Kumar via Gcc-cvs <[email protected]> Wed, 5 Aug 2026 09:46:40 +0000 (GMT)
Newsgroups gmane.comp.gcc.cvs
Message-ID <[email protected]>
https://gcc.gnu.org/g:9ab915926a4112475f1374498b1c7f6b9e39bb62

commit r17-2973-g9ab915926a4112475f1374498b1c7f6b9e39bb62
Author: Dipesh Sharma <[email protected]>
Date:   Sun Jul 19 14:49:15 2026 +0530

    Add ISA support for AVX10_V2_AUX and FP32 to FP8 single-source RTNE converts.
    
    gcc/ChangeLog:
    
            * common/config/i386/cpuinfo.h (get_available_features): Add AVX10V2AUX.
            * common/config/i386/i386-common.cc (OPTION_MASK_ISA2_AVX10V2AUX_SET): New.
            (OPTION_MASK_ISA2_AVX10_1_UNSET): Disable AVX10_1.
            (OPTION_MASK_ISA2_AVX10V2AUX_UNSET): New.
            (ix86_handle_option): Handle AVX10V2AUX.
            * common/config/i386/i386-cpuinfo.h (enum processor_features): Add FEATURE_AVX10V2AUX.
            * common/config/i386/i386-isas.h: Handle avx10v2aux.
            * config.gcc: Include avx10v2auxintrin.h.
            * config/i386/cpuid.h (bit_AVX10V2AUX): New.
            * config/i386/i386-builtin-types.def: Add new function type.
            * config/i386/i386-builtin.def (BDESC): New AVX10V2AUX builtins.
            * config/i386/i386-c.cc (ix86_target_macros_internal): Handle avx10v2aux.
            * config/i386/i386-expand.cc (ix86_expand_args_builtin): Handle avx10v2aux function types.
            * config/i386/i386-isa.def (AVX10V2AUX): New DEF_PTA
            * config/i386/i386-options.cc (ix86_valid_target_attribute_inner_p): Handle avx10v2aux.
            * config/i386/i386.opt: Add avx10v2aux.
            * config/i386/i386.opt.urls: Regenerated.
            * config/i386/immintrin.h: Include avx10v2auxintrin.h.
            * config/i386/sse.md (vcvt<convertps2fp8>v4sf): New.
            (*vcvt<convertps2fp8>v4sf): Ditto.
            (vcvt<convertps2fp8>v8sf): Ditto.
            (*vcvt<convertps2fp8>v8sf): Ditto.
            (vcvt<convertps2fp8>v4sf_mask): Ditto.
            (*vcvt<convertps2fp8>v4sf_mask): Ditto.
            (vcvt<convertps2fp8>v8sf_mask): Ditto.
            (*vcvt<convertps2fp8>v8sf_mask): Ditto.
            (vcvt<convertps2fp8>v16sf<mask_name>): Ditto.
            * doc/extend.texi: Add avx10v2aux documentation.
            * doc/invoke.texi: Ditto.
            * doc/sourcebuild.texi: Ditto.
            * config/i386/avx10v2auxintrin.h: New file.
    
    gcc/testsuite/ChangeLog:
    
            * lib/target-supports.exp: Check for avx10v2aux.
            * gcc.target/i386/avx10v2aux-convert-1a.c: New test.
    
    Co-authored-by: Venkataramanan Kumar <[email protected]>
    Co-authored-by: Haochen Jiang <[email protected]>

Diff:
---
 gcc/common/config/i386/cpuinfo.h                   |   7 +
 gcc/common/config/i386/i386-common.cc              |  22 +-
 gcc/common/config/i386/i386-cpuinfo.h              |   1 +
 gcc/common/config/i386/i386-isas.h                 |   2 +
 gcc/config.gcc                                     |   3 +-
 gcc/config/i386/avx10v2auxintrin.h                 | 409 +++++++++++++++++++++
 gcc/config/i386/cpuid.h                            |   4 +
 gcc/config/i386/i386-builtin-types.def             |   5 +
 gcc/config/i386/i386-builtin.def                   |  14 +
 gcc/config/i386/i386-c.cc                          |   2 +
 gcc/config/i386/i386-expand.cc                     |   3 +
 gcc/config/i386/i386-isa.def                       |   1 +
 gcc/config/i386/i386-options.cc                    |   4 +-
 gcc/config/i386/i386.opt                           |   5 +
 gcc/config/i386/i386.opt.urls                      |   3 +
 gcc/config/i386/immintrin.h                        |   2 +
 gcc/config/i386/sse.md                             | 146 ++++++++
 gcc/doc/extend.texi                                |   5 +
 gcc/doc/invoke.texi                                |   8 +-
 gcc/doc/sourcebuild.texi                           |   3 +
 .../gcc.target/i386/avx10v2aux-convert-1a.c        | 111 ++++++
 gcc/testsuite/lib/target-supports.exp              |  11 +
 22 files changed, 766 insertions(+), 5 deletions(-)

diff --git a/gcc/common/config/i386/cpuinfo.h b/gcc/common/config/i386/cpuinfo.h
index 0fe7eb795b08..f4fd3dbfed04 100644
--- a/gcc/common/config/i386/cpuinfo.h
+++ b/gcc/common/config/i386/cpuinfo.h
@@ -1124,6 +1124,7 @@ get_available_features (struct __processor_model *cpu_model,
   if (avx10_set && max_cpuid_level >= 0x24)
     {
       __cpuid_count (0x24, 0, eax, ebx, ecx, edx);
+      unsigned int max_subleaf_level = eax;
       version = ebx & 0xff;
       switch (version)
 	{
@@ -1137,6 +1138,12 @@ get_available_features (struct __processor_model *cpu_model,
 	  set_feature (FEATURE_AVX10_1);
 	  break;
 	}
+	if (max_subleaf_level>=1)
+	{
+	  __cpuid_count (0x24, 1, eax, ebx, ecx, edx);
+	  if (ecx & bit_AVX10V2AUX)
+	    set_feature (FEATURE_AVX10V2AUX);
+	}
     }
 
   /* Check cpuid level of extended features.  */
diff --git a/gcc/common/config/i386/i386-common.cc b/gcc/common/config/i386/i386-common.cc
index 7c743f8b3486..931e9d8a16d4 100644
--- a/gcc/common/config/i386/i386-common.cc
+++ b/gcc/common/config/i386/i386-common.cc
@@ -138,7 +138,8 @@ along with GCC; see the file COPYING3.  If not see
 #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
-
+#define OPTION_MASK_ISA2_AVX10V2AUX_SET \
+  (OPTION_MASK_ISA2_AVX10_1_SET | OPTION_MASK_ISA2_AVX10V2AUX)
 /* SSE4 includes both SSE4.1 and SSE4.2. -msse4 should be the same
    as -msse4.2.  */
 #define OPTION_MASK_ISA_SSE4_SET OPTION_MASK_ISA_SSE4_2_SET
@@ -323,13 +324,15 @@ along with GCC; see the file COPYING3.  If not see
 #define OPTION_MASK_ISA2_APX_F_UNSET OPTION_MASK_ISA2_APX_F
 #define OPTION_MASK_ISA2_USER_MSR_UNSET OPTION_MASK_ISA2_USER_MSR
 #define OPTION_MASK_ISA2_AVX10_1_UNSET \
-  (OPTION_MASK_ISA2_AVX10_1 | OPTION_MASK_ISA2_AVX10_2_UNSET)
+  (OPTION_MASK_ISA2_AVX10_1 | OPTION_MASK_ISA2_AVX10_2_UNSET \
+   | OPTION_MASK_ISA2_AVX10V2AUX_UNSET)
 #define OPTION_MASK_ISA2_AVX10_2_UNSET OPTION_MASK_ISA2_AVX10_2
 #define OPTION_MASK_ISA2_AMX_AVX512_UNSET OPTION_MASK_ISA2_AMX_AVX512
 #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
+#define OPTION_MASK_ISA2_AVX10V2AUX_UNSET OPTION_MASK_ISA2_AVX10V2AUX
 
 /* SSE4 includes both SSE4.1 and SSE4.2.  -mno-sse4 should the same
    as -mno-sse4.1. */
@@ -1414,6 +1417,21 @@ ix86_handle_option (struct gcc_options *opts,
 	}
       return true;
 
+	case OPT_mavx10v2aux:
+      if (value)
+	{
+	  opts->x_ix86_isa_flags2 |= OPTION_MASK_ISA2_AVX10V2AUX_SET;
+	  opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA2_AVX10V2AUX_SET;
+	  opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX10_1_SET;
+	  opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX10_1_SET;
+	}
+      else
+	{
+	  opts->x_ix86_isa_flags2 &= ~OPTION_MASK_ISA2_AVX10V2AUX_UNSET;
+	  opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA2_AVX10V2AUX_UNSET;
+	}
+      return true;
+
     case OPT_mamx_avx512:
       if (value)
 	{
diff --git a/gcc/common/config/i386/i386-cpuinfo.h b/gcc/common/config/i386/i386-cpuinfo.h
index a38534c53df7..5b9bf5db68b3 100644
--- a/gcc/common/config/i386/i386-cpuinfo.h
+++ b/gcc/common/config/i386/i386-cpuinfo.h
@@ -283,6 +283,7 @@ enum processor_features
   FEATURE_MOVRS,
   FEATURE_AMX_MOVRS,
   FEATURE_AVX512BMM,
+  FEATURE_AVX10V2AUX,
   CPU_FEATURE_MAX
 };
 
diff --git a/gcc/common/config/i386/i386-isas.h b/gcc/common/config/i386/i386-isas.h
index f816d471252d..d280418c2617 100644
--- a/gcc/common/config/i386/i386-isas.h
+++ b/gcc/common/config/i386/i386-isas.h
@@ -191,4 +191,6 @@ ISA_NAMES_TABLE_START
   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_ENTRY("avx10v2aux", FEATURE_AVX10V2AUX, P_NONE,
+			"-mavx10v2aux")
 ISA_NAMES_TABLE_END
diff --git a/gcc/config.gcc b/gcc/config.gcc
index 0477bf22c8a0..6968d666b89c 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -479,7 +479,8 @@ i[34567]86-*-* | x86_64-*-*)
 		       avx10_2bf16intrin.h avx10_2satcvtintrin.h
 		       avx10_2minmaxintrin.h avx10_2copyintrin.h
 		       amxavx512intrin.h amxfp8intrin.h movrsintrin.h
-		       amxmovrsintrin.h avx512bmmintrin.h avx512bmmvlintrin.h"
+		       amxmovrsintrin.h avx512bmmintrin.h avx512bmmvlintrin.h
+		       avx10v2auxintrin.h"
 	;;
 ia64-*-*)
 	extra_headers=ia64intrin.h
diff --git a/gcc/config/i386/avx10v2auxintrin.h b/gcc/config/i386/avx10v2auxintrin.h
new file mode 100644
index 000000000000..23b008ce1d8f
--- /dev/null
+++ b/gcc/config/i386/avx10v2auxintrin.h
@@ -0,0 +1,409 @@
+/* Copyright (C) 2026 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 <avx10v2auxintrin.h> directly; include <immintrin.h> instead."
+
+#endif
+
+#ifndef _AVX10V2AUXINTRIN_H_INCLUDED
+#define _AVX10V2AUXINTRIN_H_INCLUDED
+
+#if !defined(__AVX10V2AUX__)
+#pragma GCC push_options
+#pragma GCC target("avx10v2aux")
+#define __DISABLE_AVX10V2AUX__
+#endif /* __AVX10V2AUX__ */
+
+// VCVTPS2BF8 - 128-bit
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_cvtps_bf8 (__m128 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8128_mask ((__v4sf) __A,
+						      (__v16qi)
+						      _mm_undefined_si128 (),
+						      (__mmask8) -1);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_mask_cvtps_bf8 (__m128i __W, __mmask8 __U, __m128 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8128_mask ((__v4sf) __A,
+						      (__v16qi) __W,
+						      (__mmask8) __U);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_maskz_cvtps_bf8 (__mmask8 __U, __m128 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8128_mask ((__v4sf) __A,
+						      (__v16qi)
+						      _mm_setzero_si128 (),
+						      (__mmask8) __U);
+}
+
+// VCVTPS2BF8 - 256-bit
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm256_cvtps_bf8 (__m256 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8256_mask ((__v8sf) __A,
+						      (__v16qi)
+						      _mm_undefined_si128 (),
+						      (__mmask8) -1);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm256_mask_cvtps_bf8 (__m128i __W, __mmask8 __U, __m256 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8256_mask ((__v8sf) __A,
+						      (__v16qi) __W,
+						      (__mmask8) __U);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm256_maskz_cvtps_bf8 (__mmask8 __U, __m256 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8256_mask ((__v8sf) __A,
+						      (__v16qi)
+						      _mm_setzero_si128 (),
+						      (__mmask8) __U);
+}
+
+// VCVTPS2BF8 - 512-bit
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm512_cvtps_bf8 (__m512 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8512_mask ((__v16sf) __A,
+						      (__v16qi)
+						      _mm_undefined_si128 (),
+						      (__mmask16) -1);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm512_mask_cvtps_bf8 (__m128i __W, __mmask16 __U, __m512 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8512_mask ((__v16sf) __A,
+						      (__v16qi) __W,
+						      (__mmask16) __U);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm512_maskz_cvtps_bf8 (__mmask16 __U, __m512 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8512_mask ((__v16sf) __A,
+						      (__v16qi)
+						      _mm_setzero_si128 (),
+						      (__mmask16) __U);
+}
+
+// VCVTPS2BF8S - 128-bit
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_cvts_ps_bf8 (__m128 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8s128_mask ((__v4sf) __A,
+						       (__v16qi)
+						       _mm_undefined_si128 (),
+						       (__mmask8) -1);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_mask_cvts_ps_bf8 (__m128i __W, __mmask8 __U, __m128 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8s128_mask ((__v4sf) __A,
+						       (__v16qi) __W,
+						       (__mmask8) __U);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_maskz_cvts_ps_bf8 (__mmask8 __U, __m128 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8s128_mask ((__v4sf) __A,
+						       (__v16qi)
+						       _mm_setzero_si128 (),
+						       (__mmask8) __U);
+}
+
+// VCVTPS2BF8S - 256-bit
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm256_cvts_ps_bf8 (__m256 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8s256_mask ((__v8sf) __A,
+						       (__v16qi)
+						       _mm_undefined_si128 (),
+						       (__mmask8) -1);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm256_mask_cvts_ps_bf8 (__m128i __W, __mmask8 __U, __m256 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8s256_mask ((__v8sf) __A,
+						       (__v16qi) __W,
+						       (__mmask8) __U);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm256_maskz_cvts_ps_bf8 (__mmask8 __U, __m256 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8s256_mask ((__v8sf) __A,
+						       (__v16qi)
+						       _mm_setzero_si128 (),
+						       (__mmask8) __U);
+}
+
+// VCVTPS2BF8S - 512-bit
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm512_cvts_ps_bf8 (__m512 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8s512_mask ((__v16sf) __A,
+						       (__v16qi)
+						       _mm_undefined_si128 (),
+						       (__mmask16) -1);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm512_mask_cvts_ps_bf8 (__m128i __W, __mmask16 __U, __m512 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8s512_mask ((__v16sf) __A,
+						       (__v16qi) __W,
+						       (__mmask16) __U);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm512_maskz_cvts_ps_bf8 (__mmask16 __U, __m512 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2bf8s512_mask ((__v16sf) __A,
+						       (__v16qi)
+						       _mm_setzero_si128 (),
+						       (__mmask16) __U);
+}
+
+// VCVTPS2HF8 - 128-bit
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_cvtps_hf8 (__m128 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8128_mask ((__v4sf) __A,
+						      (__v16qi)
+						      _mm_undefined_si128 (),
+						      (__mmask8) -1);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_mask_cvtps_hf8 (__m128i __W, __mmask8 __U, __m128 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8128_mask ((__v4sf) __A,
+						      (__v16qi) __W,
+						      (__mmask8) __U);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_maskz_cvtps_hf8 (__mmask8 __U, __m128 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8128_mask ((__v4sf) __A,
+						      (__v16qi)
+						      _mm_setzero_si128 (),
+						      (__mmask8) __U);
+}
+
+// VCVTPS2HF8 - 256-bit
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm256_cvtps_hf8 (__m256 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8256_mask ((__v8sf) __A,
+						      (__v16qi)
+						      _mm_undefined_si128 (),
+						      (__mmask8) -1);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm256_mask_cvtps_hf8 (__m128i __W, __mmask8 __U, __m256 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8256_mask ((__v8sf) __A,
+						      (__v16qi) __W,
+						      (__mmask8) __U);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm256_maskz_cvtps_hf8 (__mmask8 __U, __m256 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8256_mask ((__v8sf) __A,
+						      (__v16qi)
+						      _mm_setzero_si128 (),
+						      (__mmask8) __U);
+}
+
+// VCVTPS2HF8 - 512-bit
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm512_cvtps_hf8 (__m512 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8512_mask ((__v16sf) __A,
+						      (__v16qi)
+						      _mm_undefined_si128 (),
+						      (__mmask16) -1);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm512_mask_cvtps_hf8 (__m128i __W, __mmask16 __U, __m512 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8512_mask ((__v16sf) __A,
+						      (__v16qi) __W,
+						      (__mmask16) __U);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm512_maskz_cvtps_hf8 (__mmask16 __U, __m512 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8512_mask ((__v16sf) __A,
+						      (__v16qi)
+						      _mm_setzero_si128 (),
+						      (__mmask16) __U);
+}
+
+// VCVTPS2HF8S - 128-bit
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_cvts_ps_hf8 (__m128 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8s128_mask ((__v4sf) __A,
+						       (__v16qi)
+						       _mm_undefined_si128 (),
+						       (__mmask8) -1);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_mask_cvts_ps_hf8 (__m128i __W, __mmask8 __U, __m128 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8s128_mask ((__v4sf) __A,
+						       (__v16qi) __W,
+						       (__mmask8) __U);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm_maskz_cvts_ps_hf8 (__mmask8 __U, __m128 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8s128_mask ((__v4sf) __A,
+						       (__v16qi)
+						       _mm_setzero_si128 (),
+						       (__mmask8) __U);
+}
+
+// VCVTPS2HF8S - 256-bit
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm256_cvts_ps_hf8 (__m256 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8s256_mask ((__v8sf) __A,
+						       (__v16qi)
+						       _mm_undefined_si128 (),
+						       (__mmask8) -1);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm256_mask_cvts_ps_hf8 (__m128i __W, __mmask8 __U, __m256 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8s256_mask ((__v8sf) __A,
+						       (__v16qi) __W,
+						       (__mmask8) __U);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm256_maskz_cvts_ps_hf8 (__mmask8 __U, __m256 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8s256_mask ((__v8sf) __A,
+						       (__v16qi)
+						       _mm_setzero_si128 (),
+						       (__mmask8) __U);
+}
+
+// VCVTPS2HF8S - 512-bit
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm512_cvts_ps_hf8 (__m512 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8s512_mask ((__v16sf) __A,
+						       (__v16qi)
+						       _mm_undefined_si128 (),
+						       (__mmask16) -1);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm512_mask_cvts_ps_hf8 (__m128i __W, __mmask16 __U, __m512 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8s512_mask ((__v16sf) __A,
+						       (__v16qi) __W,
+						       (__mmask16) __U);
+}
+
+extern __inline __m128i
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+_mm512_maskz_cvts_ps_hf8 (__mmask16 __U, __m512 __A)
+{
+  return (__m128i) __builtin_ia32_vcvtps2hf8s512_mask ((__v16sf) __A,
+						       (__v16qi)
+						       _mm_setzero_si128 (),
+						       (__mmask16) __U);
+}
+
+#ifdef __DISABLE_AVX10V2AUX__
+#undef __DISABLE_AVX10V2AUX__
+#pragma GCC pop_options
+#endif /* __DISABLE_AVX10V2AUX__ */
+
+#endif /* _AVX10V2AUXINTRIN_H_INCLUDED */
diff --git a/gcc/config/i386/cpuid.h b/gcc/config/i386/cpuid.h
index a1024e0a9408..c56ad7cce80e 100644
--- a/gcc/config/i386/cpuid.h
+++ b/gcc/config/i386/cpuid.h
@@ -170,6 +170,10 @@
 /* Sub leaf (%eax == 0x21) */
 #define bit_AVX512BMM	( 1<<23 )
 
+/* AVX10 sub leaf (%eax == 0x24, %ecx == 1) */
+/* %ecx */
+#define bit_AVX10V2AUX	(1 << 3)
+
 /* AMX sub leaf (%eax == 0x1e, %ecx == 1) */
 /* %eax */
 #define bit_AMX_FP8	(1 << 4)
diff --git a/gcc/config/i386/i386-builtin-types.def b/gcc/config/i386/i386-builtin-types.def
index 64bde021d117..34e0cf7f8d3b 100644
--- a/gcc/config/i386/i386-builtin-types.def
+++ b/gcc/config/i386/i386-builtin-types.def
@@ -1474,6 +1474,11 @@ DEF_FUNCTION_TYPE (V8DI, V8SF, V8DI, UQI)
 DEF_FUNCTION_TYPE (V8DI, V8DF, V8DI, UQI)
 DEF_FUNCTION_TYPE (V8SI, V8DF, V8SI, UQI)
 
+# AVX10V2AUX builtins
+DEF_FUNCTION_TYPE (V16QI, V4SF, V16QI, UQI)
+DEF_FUNCTION_TYPE (V16QI, V8SF, V16QI, UQI)
+DEF_FUNCTION_TYPE (V16QI, V16SF, V16QI, UHI)
+
 # SM4 builtins
 DEF_FUNCTION_TYPE (V16SI, V16SI, V16SI)
 
diff --git a/gcc/config/i386/i386-builtin.def b/gcc/config/i386/i386-builtin.def
index 30e728ab15d1..ef872de98bf3 100644
--- a/gcc/config/i386/i386-builtin.def
+++ b/gcc/config/i386/i386-builtin.def
@@ -3369,6 +3369,20 @@ BDESC (0, OPTION_MASK_ISA2_AVX10_2, CODE_FOR_avx10_2_minmaxpv2df_mask, "__builti
 BDESC (0, OPTION_MASK_ISA2_AVX10_2, CODE_FOR_avx10_2_minmaxpv8hf_mask, "__builtin_ia32_minmaxph128_mask", IX86_BUILTIN_MINMAXPH128_MASK, UNKNOWN, (int) V8HF_FTYPE_V8HF_V8HF_INT_V8HF_UQI)
 BDESC (0, OPTION_MASK_ISA2_AVX10_2, CODE_FOR_avx10_2_minmaxpv4sf_mask, "__builtin_ia32_minmaxps128_mask", IX86_BUILTIN_MINMAXPS128_MASK, UNKNOWN, (int) V4SF_FTYPE_V4SF_V4SF_INT_V4SF_UQI)
 
+/* AVX10V2AUX.  */
+BDESC (0, OPTION_MASK_ISA2_AVX10V2AUX, CODE_FOR_vcvtps2bf8v4sf_mask, "__builtin_ia32_vcvtps2bf8128_mask", IX86_BUILTIN_VCVTPS2BF8128_MASK, UNKNOWN, (int) V16QI_FTYPE_V4SF_V16QI_UQI)
+BDESC (0, OPTION_MASK_ISA2_AVX10V2AUX, CODE_FOR_vcvtps2bf8v8sf_mask, "__builtin_ia32_vcvtps2bf8256_mask", IX86_BUILTIN_VCVTPS2BF8256_MASK, UNKNOWN, (int) V16QI_FTYPE_V8SF_V16QI_UQI)
+BDESC (0, OPTION_MASK_ISA2_AVX10V2AUX, CODE_FOR_vcvtps2bf8v16sf_mask, "__builtin_ia32_vcvtps2bf8512_mask", IX86_BUILTIN_VCVTPS2BF8512_MASK, UNKNOWN, (int) V16QI_FTYPE_V16SF_V16QI_UHI)
+BDESC (0, OPTION_MASK_ISA2_AVX10V2AUX, CODE_FOR_vcvtps2bf8sv4sf_mask, "__builtin_ia32_vcvtps2bf8s128_mask", IX86_BUILTIN_VCVTPS2BF8S128_MASK, UNKNOWN, (int) V16QI_FTYPE_V4SF_V16QI_UQI)
+BDESC (0, OPTION_MASK_ISA2_AVX10V2AUX, CODE_FOR_vcvtps2bf8sv8sf_mask, "__builtin_ia32_vcvtps2bf8s256_mask", IX86_BUILTIN_VCVTPS2BF8S256_MASK, UNKNOWN, (int) V16QI_FTYPE_V8SF_V16QI_UQI)
+BDESC (0, OPTION_MASK_ISA2_AVX10V2AUX, CODE_FOR_vcvtps2bf8sv16sf_mask, "__builtin_ia32_vcvtps2bf8s512_mask", IX86_BUILTIN_VCVTPS2BF8S512_MASK, UNKNOWN, (int) V16QI_FTYPE_V16SF_V16QI_UHI)
+BDESC (0, OPTION_MASK_ISA2_AVX10V2AUX, CODE_FOR_vcvtps2hf8v4sf_mask, "__builtin_ia32_vcvtps2hf8128_mask", IX86_BUILTIN_VCVTPS2HF8128_MASK, UNKNOWN, (int) V16QI_FTYPE_V4SF_V16QI_UQI)
+BDESC (0, OPTION_MASK_ISA2_AVX10V2AUX, CODE_FOR_vcvtps2hf8v8sf_mask, "__builtin_ia32_vcvtps2hf8256_mask", IX86_BUILTIN_VCVTPS2HF8256_MASK, UNKNOWN, (int) V16QI_FTYPE_V8SF_V16QI_UQI)
+BDESC (0, OPTION_MASK_ISA2_AVX10V2AUX, CODE_FOR_vcvtps2hf8v16sf_mask, "__builtin_ia32_vcvtps2hf8512_mask", IX86_BUILTIN_VCVTPS2HF8512_MASK, UNKNOWN, (int) V16QI_FTYPE_V16SF_V16QI_UHI)
+BDESC (0, OPTION_MASK_ISA2_AVX10V2AUX, CODE_FOR_vcvtps2hf8sv4sf_mask, "__builtin_ia32_vcvtps2hf8s128_mask", IX86_BUILTIN_VCVTPS2HF8S128_MASK, UNKNOWN, (int) V16QI_FTYPE_V4SF_V16QI_UQI)
+BDESC (0, OPTION_MASK_ISA2_AVX10V2AUX, CODE_FOR_vcvtps2hf8sv8sf_mask, "__builtin_ia32_vcvtps2hf8s256_mask", IX86_BUILTIN_VCVTPS2HF8S256_MASK, UNKNOWN, (int) V16QI_FTYPE_V8SF_V16QI_UQI)
+BDESC (0, OPTION_MASK_ISA2_AVX10V2AUX, CODE_FOR_vcvtps2hf8sv16sf_mask, "__builtin_ia32_vcvtps2hf8s512_mask", IX86_BUILTIN_VCVTPS2HF8S512_MASK, UNKNOWN, (int) V16QI_FTYPE_V16SF_V16QI_UHI)
+
 /* Builtins with rounding support.  */
 BDESC_END (ARGS, ROUND_ARGS)
 
diff --git a/gcc/config/i386/i386-c.cc b/gcc/config/i386/i386-c.cc
index e1145725b62b..4c56ff6dad9c 100644
--- a/gcc/config/i386/i386-c.cc
+++ b/gcc/config/i386/i386-c.cc
@@ -790,6 +790,8 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
     def_or_undef (parse_in, "__AMX_MOVRS__");
   if (isa_flag2 & OPTION_MASK_ISA2_AVX512BMM)
     def_or_undef (parse_in, "__AVX512BMM__");
+  if (isa_flag2 & OPTION_MASK_ISA2_AVX10V2AUX)
+    def_or_undef (parse_in, "__AVX10V2AUX__");
   if (TARGET_IAMCU)
     {
       def_or_undef (parse_in, "__iamcu");
diff --git a/gcc/config/i386/i386-expand.cc b/gcc/config/i386/i386-expand.cc
index 6ddc402e9ad4..5adbfe7b4c93 100644
--- a/gcc/config/i386/i386-expand.cc
+++ b/gcc/config/i386/i386-expand.cc
@@ -13058,6 +13058,9 @@ ix86_expand_args_builtin (const struct builtin_description *d,
     case V8DI_FTYPE_V8SF_V8DI_UQI:
     case V8DI_FTYPE_V8DF_V8DI_UQI:
     case V8SI_FTYPE_V8DF_V8SI_UQI:
+    case V16QI_FTYPE_V4SF_V16QI_UQI:
+    case V16QI_FTYPE_V8SF_V16QI_UQI:
+    case V16QI_FTYPE_V16SF_V16QI_UHI:
       nargs = 3;
       break;
     case V32QI_FTYPE_V32QI_V32QI_INT:
diff --git a/gcc/config/i386/i386-isa.def b/gcc/config/i386/i386-isa.def
index 72f448e80a47..e50cb6768fa7 100644
--- a/gcc/config/i386/i386-isa.def
+++ b/gcc/config/i386/i386-isa.def
@@ -125,3 +125,4 @@ DEF_PTA(AMX_FP8)
 DEF_PTA(MOVRS)
 DEF_PTA(AMX_MOVRS)
 DEF_PTA(AVX512BMM)
+DEF_PTA(AVX10V2AUX)
diff --git a/gcc/config/i386/i386-options.cc b/gcc/config/i386/i386-options.cc
index a9d31714f13f..afbd96b79c33 100644
--- a/gcc/config/i386/i386-options.cc
+++ b/gcc/config/i386/i386-options.cc
@@ -274,7 +274,8 @@ static struct ix86_target_opts isa2_opts[] =
   { "-mamx-fp8", 	OPTION_MASK_ISA2_AMX_FP8 },
   { "-mmovrs",		OPTION_MASK_ISA2_MOVRS },
   { "-mamx-movrs",	OPTION_MASK_ISA2_AMX_MOVRS },
-  { "-mavx512bmm",	OPTION_MASK_ISA2_AVX512BMM }
+  { "-mavx512bmm",	OPTION_MASK_ISA2_AVX512BMM },
+  { "-mavx10v2aux",	OPTION_MASK_ISA2_AVX10V2AUX }
 };
 static struct ix86_target_opts isa_opts[] =
 {
@@ -1139,6 +1140,7 @@ ix86_valid_target_attribute_inner_p (tree fndecl, tree args, char *p_strings[],
     IX86_ATTR_ISA ("movrs", OPT_mmovrs),
     IX86_ATTR_ISA ("amx-movrs", OPT_mamx_movrs),
     IX86_ATTR_ISA ("avx512bmm", OPT_mavx512bmm),
+    IX86_ATTR_ISA ("avx10v2aux", OPT_mavx10v2aux),
 
     /* enum options */
     IX86_ATTR_ENUM ("fpmath=",	OPT_mfpmath_),
diff --git a/gcc/config/i386/i386.opt b/gcc/config/i386/i386.opt
index 158090c2bde7..2cdc71a2324e 100644
--- a/gcc/config/i386/i386.opt
+++ b/gcc/config/i386/i386.opt
@@ -1385,3 +1385,8 @@ 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.
+
+mavx10v2aux
+Target Mask(ISA2_AVX10V2AUX) Var(ix86_isa_flags2) Save
+Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2,
+AVX10.1 and AVX10V2AUX built-in functions and code generation.
diff --git a/gcc/config/i386/i386.opt.urls b/gcc/config/i386/i386.opt.urls
index 5ae63d6b520f..d0c58ca35267 100644
--- a/gcc/config/i386/i386.opt.urls
+++ b/gcc/config/i386/i386.opt.urls
@@ -632,3 +632,6 @@ UrlSuffix(gcc/x86-Options.html#index-mamx-movrs)
 mavx512bmm
 UrlSuffix(gcc/x86-Options.html#index-mavx512bmm)
 
+mavx10v2aux
+UrlSuffix(gcc/x86-Options.html#index-mavx10v2aux)
+
diff --git a/gcc/config/i386/immintrin.h b/gcc/config/i386/immintrin.h
index b978395dee06..2c55e1e02a37 100644
--- a/gcc/config/i386/immintrin.h
+++ b/gcc/config/i386/immintrin.h
@@ -146,6 +146,8 @@
 
 #include <avx10_2convertintrin.h>
 
+#include <avx10v2auxintrin.h>
+
 #include <avx10_2bf16intrin.h>
 
 #include <avx10_2satcvtintrin.h>
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 7d71f8ba5462..2b5998cff0a6 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -258,6 +258,12 @@
 
   ;; For MOVRS support
   UNSPEC_VMOVRS
+
+  ;; For AVX10V2AUX support
+  UNSPEC_VCVTPS2BF8
+  UNSPEC_VCVTPS2BF8S
+  UNSPEC_VCVTPS2HF8
+  UNSPEC_VCVTPS2HF8S
 ])
 
 (define_c_enum "unspecv" [
@@ -34217,3 +34223,143 @@
   "vbitrevb\t{%1, %0|%0, %1}"
   [(set_attr "prefix" "evex")
    (set_attr "mode" "<sseinsnmode>")])
+
+;; AVX10V2AUX instructions
+;; FP32 to FP8 single-source converts (VCVTPS2BF8, VCVTPS2BF8S,
+;; VCVTPS2HF8, VCVTPS2HF8S)
+
+(define_int_iterator UNSPEC_CONVERTPS2FP8
+  [UNSPEC_VCVTPS2BF8 UNSPEC_VCVTPS2BF8S
+   UNSPEC_VCVTPS2HF8 UNSPEC_VCVTPS2HF8S])
+
+(define_int_attr convertps2fp8
+  [(UNSPEC_VCVTPS2BF8 "ps2bf8")
+   (UNSPEC_VCVTPS2BF8S "ps2bf8s")
+   (UNSPEC_VCVTPS2HF8 "ps2hf8")
+   (UNSPEC_VCVTPS2HF8S "ps2hf8s")])
+
+(define_expand "vcvt<convertps2fp8>v4sf"
+  [(set (match_operand:V16QI 0 "register_operand")
+	(vec_concat:V16QI
+	  (unspec:V4QI
+	    [(match_operand:V4SF 1 "nonimmediate_operand")]
+	    UNSPEC_CONVERTPS2FP8)
+	  (match_dup 2)))]
+  "TARGET_AVX10V2AUX"
+  "operands[2] = CONST0_RTX (V12QImode);")
+
+(define_insn "*vcvt<convertps2fp8>v4sf"
+  [(set (match_operand:V16QI 0 "register_operand" "=v")
+	(vec_concat:V16QI
+	  (unspec:V4QI
+	    [(match_operand:V4SF 1 "nonimmediate_operand" "vm")]
+	    UNSPEC_CONVERTPS2FP8)
+	  (match_operand:V12QI 2 "const0_operand")))]
+  "TARGET_AVX10V2AUX"
+  "vcvt<convertps2fp8>{x}\t{%1, %0|%0, %1}"
+  [(set_attr "prefix" "evex")
+   (set_attr "mode" "V4SF")])
+
+(define_expand "vcvt<convertps2fp8>v8sf"
+  [(set (match_operand:V16QI 0 "register_operand")
+	(vec_concat:V16QI
+	  (unspec:V8QI
+	    [(match_operand:V8SF 1 "nonimmediate_operand")]
+	    UNSPEC_CONVERTPS2FP8)
+	  (match_dup 2)))]
+  "TARGET_AVX10V2AUX"
+  "operands[2] = CONST0_RTX (V8QImode);")
+
+(define_insn "*vcvt<convertps2fp8>v8sf"
+  [(set (match_operand:V16QI 0 "register_operand" "=v")
+	(vec_concat:V16QI
+	  (unspec:V8QI
+	    [(match_operand:V8SF 1 "nonimmediate_operand" "vm")]
+	    UNSPEC_CONVERTPS2FP8)
+	  (match_operand:V8QI 2 "const0_operand")))]
+  "TARGET_AVX10V2AUX"
+  "vcvt<convertps2fp8>{y}\t{%1, %0|%0, %1}"
+  [(set_attr "prefix" "evex")
+   (set_attr "mode" "V8SF")])
+
+(define_expand "vcvt<convertps2fp8>v4sf_mask"
+  [(set (match_operand:V16QI 0 "register_operand")
+	(vec_concat:V16QI
+	  (vec_merge:V4QI
+	    (unspec:V4QI
+	      [(match_operand:V4SF 1 "nonimmediate_operand")]
+	      UNSPEC_CONVERTPS2FP8)
+	    (vec_select:V4QI
+	      (match_operand:V16QI 2 "nonimm_or_0_operand")
+	      (parallel [(const_int 0) (const_int 1)
+			 (const_int 2) (const_int 3)]))
+	    (match_operand:QI 3 "register_operand"))
+	  (match_dup 4)))]
+  "TARGET_AVX10V2AUX"
+  "operands[4] = CONST0_RTX (V12QImode);")
+
+(define_insn "*vcvt<convertps2fp8>v4sf_mask"
+  [(set (match_operand:V16QI 0 "register_operand" "=v")
+	(vec_concat:V16QI
+	  (vec_merge:V4QI
+	    (unspec:V4QI
+	      [(match_operand:V4SF 1 "nonimmediate_operand" "vm")]
+	      UNSPEC_CONVERTPS2FP8)
+	    (vec_select:V4QI
+	      (match_operand:V16QI 2 "nonimm_or_0_operand" "0C")
+	      (parallel [(const_int 0) (const_int 1)
+			 (const_int 2) (const_int 3)]))
+	    (match_operand:QI 3 "register_operand" "Yk"))
+	  (match_operand:V12QI 4 "const0_operand")))]
+  "TARGET_AVX10V2AUX"
+  "vcvt<convertps2fp8>{x}\t{%1, %0%{%3%}%N2|%0%{%3%}%N2, %1}"
+  [(set_attr "prefix" "evex")
+   (set_attr "mode" "V4SF")])
+
+(define_expand "vcvt<convertps2fp8>v8sf_mask"
+  [(set (match_operand:V16QI 0 "register_operand")
+	(vec_concat:V16QI
+	  (vec_merge:V8QI
+	    (unspec:V8QI
+	      [(match_operand:V8SF 1 "nonimmediate_operand")]
+	      UNSPEC_CONVERTPS2FP8)
+	    (vec_select:V8QI
+	      (match_operand:V16QI 2 "nonimm_or_0_operand")
+	      (parallel [(const_int 0) (const_int 1)
+			 (const_int 2) (const_int 3)
+			 (const_int 4) (const_int 5)
+			 (const_int 6) (const_int 7)]))
+	    (match_operand:QI 3 "register_operand"))
+	  (match_dup 4)))]
+  "TARGET_AVX10V2AUX"
+  "operands[4] = CONST0_RTX (V8QImode);")
+
+(define_insn "*vcvt<convertps2fp8>v8sf_mask"
+  [(set (match_operand:V16QI 0 "register_operand" "=v")
+	(vec_concat:V16QI
+	  (vec_merge:V8QI
+	    (unspec:V8QI
+	      [(match_operand:V8SF 1 "nonimmediate_operand" "vm")]
+	      UNSPEC_CONVERTPS2FP8)
+	    (vec_select:V8QI
+	      (match_operand:V16QI 2 "nonimm_or_0_operand" "0C")
+	      (parallel [(const_int 0) (const_int 1)
+			 (const_int 2) (const_int 3)
+			 (const_int 4) (const_int 5)
+			 (const_int 6) (const_int 7)]))
+	    (match_operand:QI 3 "register_operand" "Yk"))
+	  (match_operand:V8QI 4 "const0_operand")))]
+  "TARGET_AVX10V2AUX"
+  "vcvt<convertps2fp8>{y}\t{%1, %0%{%3%}%N2|%0%{%3%}%N2, %1}"
+  [(set_attr "prefix" "evex")
+   (set_attr "mode" "V8SF")])
+
+(define_insn "vcvt<convertps2fp8>v16sf<mask_name>"
+  [(set (match_operand:V16QI 0 "register_operand" "=v")
+	(unspec:V16QI
+	  [(match_operand:V16SF 1 "nonimmediate_operand" "vm")]
+	  UNSPEC_CONVERTPS2FP8))]
+  "TARGET_AVX10V2AUX"
+  "vcvt<convertps2fp8>{z}\t{%1, %0<mask_operand2>|%0<mask_operand2>, %1}"
+  [(set_attr "prefix" "evex")
+   (set_attr "mode" "V16SF")])
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 16ce7908d91b..9a3f158792d7 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -9509,6 +9509,11 @@ Enable/disable the generation of the MOVRS instructions.
 @itemx no-amx-movrs
 Enable/disable the generation of the AMX-MOVRS instructions.
 
+@atindex @code{target("avx10v2aux")}, x86
+@item avx10v2aux
+@itemx no-avx10v2aux
+Enable/disable the generation of the AVX10V2AUX instructions.
+
 @atindex @code{target("cld")}, x86
 @item cld
 @itemx no-cld
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index d3de8e88c3b1..7c65c9242716 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -1553,7 +1553,7 @@ See RS/6000 and PowerPC Options.
 -mavxneconvert  -mcmpccxadd  -mamx-fp16  -mprefetchi  -mraoint
 -mamx-complex  -mavxvnniint16  -msm3  -msha512  -msm4  -mapxf
 -musermsr  -mavx10.1  -mavx10.2  -mamx-avx512  -mmovrs  -mamx-movrs 
--mavx512bmm
+-mavx512bmm  -mavx10v2aux
 -mcldemote  -mms-bitfields  -mno-align-stringops  -minline-all-stringops
 -minline-stringops-dynamically  -mstringop-strategy=@var{alg}
 -mkl  -mwidekl
@@ -36241,6 +36241,12 @@ Support MOVRS built-in functions and code generation.
 @opindex mno-amx-movrs
 @item -mamx-movrs
 Support AMX-MOVRS built-in functions and code generation.
+
+@opindex mavx10v2aux
+@opindex mno-avx10v2aux
+@item -mavx10v2aux
+Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2,
+AVX10.1 and AVX10V2AUX built-in functions and code generation.
 @end table
 
 These additional options are available for the x86 processor family.
diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index 2c41583ced51..aad51550eba4 100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -2688,6 +2688,9 @@ Target supports compiling @code{avx} instructions.
 @item avx_runtime
 Target supports the execution of @code{avx} instructions.
 
+@item avx10v2aux
+Target supports the execution of @code{avx10v2aux} instructions.
+
 @item avx10.1
 Target supports the execution of @code{avx10.1} instructions.
 
diff --git a/gcc/testsuite/gcc.target/i386/avx10v2aux-convert-1a.c b/gcc/testsuite/gcc.target/i386/avx10v2aux-convert-1a.c
new file mode 100644
index 000000000000..2a89cc19e3d6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx10v2aux-convert-1a.c
@@ -0,0 +1,111 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx10v2aux -O2 -fno-fuse-ops-with-volatile-access" } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8x\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8x\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8x\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8y\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8y\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8y\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8z\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8z\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8z\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8sx\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8sx\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8sx\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8sy\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8sy\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8sy\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8sz\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8sz\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2bf8sz\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8x\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8x\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8x\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8y\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8y\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8y\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8z\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8z\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8z\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8sx\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8sx\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8sx\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8sy\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8sy\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8sy\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8sz\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8sz\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
+/* { dg-final { scan-assembler-times "vcvtps2hf8sz\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
+
+#include <immintrin.h>
+
+volatile __m128 a1;
+volatile __m256 a2;
+volatile __m512 a3;
+volatile __m128i x128i;
+volatile __mmask8 m8;
+volatile __mmask16 m16;
+
+void extern
+avx10v2aux_vcvtps2bf8_test (void)
+{
+  x128i = _mm_cvtps_bf8 (a1);
+  x128i = _mm_mask_cvtps_bf8 (x128i, m8, a1);
+  x128i = _mm_maskz_cvtps_bf8 (m8, a1);
+
+  x128i = _mm256_cvtps_bf8 (a2);
+  x128i = _mm256_mask_cvtps_bf8 (x128i, m8, a2);
+  x128i = _mm256_maskz_cvtps_bf8 (m8, a2);
+
+  x128i = _mm512_cvtps_bf8 (a3);
+  x128i = _mm512_mask_cvtps_bf8 (x128i, m16, a3);
+  x128i = _mm512_maskz_cvtps_bf8 (m16, a3);
+}
+
+void extern
+avx10v2aux_vcvtps2bf8s_test (void)
+{
+  x128i = _mm_cvts_ps_bf8 (a1);
+  x128i = _mm_mask_cvts_ps_bf8 (x128i, m8, a1);
+  x128i = _mm_maskz_cvts_ps_bf8 (m8, a1);
+
+  x128i = _mm256_cvts_ps_bf8 (a2);
+  x128i = _mm256_mask_cvts_ps_bf8 (x128i, m8, a2);
+  x128i = _mm256_maskz_cvts_ps_bf8 (m8, a2);
+
+  x128i = _mm512_cvts_ps_bf8 (a3);
+  x128i = _mm512_mask_cvts_ps_bf8 (x128i, m16, a3);
+  x128i = _mm512_maskz_cvts_ps_bf8 (m16, a3);
+}
+
+void extern
+avx10v2aux_vcvtps2hf8_test (void)
+{
+  x128i = _mm_cvtps_hf8 (a1);
+  x128i = _mm_mask_cvtps_hf8 (x128i, m8, a1);
+  x128i = _mm_maskz_cvtps_hf8 (m8, a1);
+
+  x128i = _mm256_cvtps_hf8 (a2);
+  x128i = _mm256_mask_cvtps_hf8 (x128i, m8, a2);
+  x128i = _mm256_maskz_cvtps_hf8 (m8, a2);
+
+  x128i = _mm512_cvtps_hf8 (a3);
+  x128i = _mm512_mask_cvtps_hf8 (x128i, m16, a3);
+  x128i = _mm512_maskz_cvtps_hf8 (m16, a3);
+}
+
+void extern
+avx10v2aux_vcvtps2hf8s_test (void)
+{
+  x128i = _mm_cvts_ps_hf8 (a1);
+  x128i = _mm_mask_cvts_ps_hf8 (x128i, m8, a1);
+  x128i = _mm_maskz_cvts_ps_hf8 (m8, a1);
+
+  x128i = _mm256_cvts_ps_hf8 (a2);
+  x128i = _mm256_mask_cvts_ps_hf8 (x128i, m8, a2);
+  x128i = _mm256_maskz_cvts_ps_hf8 (m8, a2);
+
+  x128i = _mm512_cvts_ps_hf8 (a3);
+  x128i = _mm512_mask_cvts_ps_hf8 (x128i, m16, a3);
+  x128i = _mm512_maskz_cvts_ps_hf8 (m16, a3);
+}
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 42cbb5ce3df0..dafbebe84ca7 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -11680,6 +11680,17 @@ proc check_effective_target_avx10_2 { } {
     } "" ]
 }
 
+# Return 1 if avx10v2aux instructions can be compiled.
+proc check_effective_target_avx10v2aux { } {
+    return [check_no_compiler_messages avx10v2aux object {
+	void
+	foo ()
+	{
+	  __asm__ volatile ("vcvtps2bf8\t{%%xmm1, %%xmm0|%%xmm0, %%xmm1}");
+	}
+    } "-mavx10v2aux" ]
+}
+
 # Return 1 if amx-avx512 instructions can be compiled.
 proc check_effective_target_amx_avx512 { } {
     return [check_no_compiler_messages amx_avx512 object {