In this patch, we will first add initial support
for AVX10V1AUX.

gcc/ChangeLog:

        * common/config/i386/cpuinfo.h (get_available_features): Add AVX10V1AUX.
        * common/config/i386/i386-common.cc (OPTION_MASK_ISA2_AVX10V1AUX_SET): 
New.
        (OPTION_MASK_ISA2_AVX10_1_UNSET): Disable AVX10V1AUX.
        (OPTION_MASK_ISA2_AVX10V2AUX_UNSET): Disable ACEV1.
        (OPTION_MASK_ISA2_AVX10V1AUX_UNSET): Disable ACEV1.
        (ix86_handle_option): Handle AVX10V1AUX.
        * common/config/i386/i386-cpuinfo.h (enum processor_features): Add 
FEATURE_AVX10V1AUX.
        * common/config/i386/i386-isas.h: Handle avx10v1aux.
        * config/i386/cpuid.h (bit_AVX10V1AUX): New.
        * config/i386/i386-c.cc (ix86_target_macros_internal): Handle 
avx10v1aux.
        * config/i386/i386-isa.def (AVX10V1AUX): New.
        * config/i386/i386-options.cc (ix86_valid_target_attribute_inner_p): 
Handle Ditto..
        * config/i386/i386.opt: Add avx10v1aux.
        * config/i386/i386.opt.urls: Regenerated.
        * doc/extend.texi: Add avx10v1aux documentation.
        * doc/invoke.texi: Ditto.
        * doc/sourcebuild.texi: Ditto.

Co-authored-by: Venkataramanan Kumar <[email protected]>
---
 gcc/common/config/i386/cpuinfo.h      | 12 ++++++++++--
 gcc/common/config/i386/i386-common.cc | 26 +++++++++++++++++++++++---
 gcc/common/config/i386/i386-cpuinfo.h |  1 +
 gcc/common/config/i386/i386-isas.h    |  2 ++
 gcc/config/i386/cpuid.h               |  1 +
 gcc/config/i386/i386-c.cc             |  2 ++
 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/doc/extend.texi                   |  5 +++++
 gcc/doc/invoke.texi                   |  8 +++++++-
 gcc/doc/sourcebuild.texi              |  3 +++
 13 files changed, 66 insertions(+), 7 deletions(-)

diff --git a/gcc/common/config/i386/cpuinfo.h b/gcc/common/config/i386/cpuinfo.h
index a689afabd3d..7adcd345a2f 100644
--- a/gcc/common/config/i386/cpuinfo.h
+++ b/gcc/common/config/i386/cpuinfo.h
@@ -826,7 +826,7 @@ get_available_features (struct __processor_model *cpu_model,
   int has_kl = 0;
   /* Record AVX10 version.  */
   int avx10_set = 0;
-  int ace_set = 0, avx10v2aux_set = 0;
+  int ace_set = 0, avx10v2aux_set = 0, avx10v1aux_set = 0;
   int version = 0;
   if ((ecx & bit_OSXSAVE))
     {
@@ -1152,13 +1152,21 @@ get_available_features (struct __processor_model 
*cpu_model,
              set_feature (FEATURE_AVX10V2AUX);
              avx10v2aux_set = 1;
            }
+         if (ecx & bit_AVX10V1AUX)
+           {
+             set_feature (FEATURE_AVX10V1AUX);
+             avx10v1aux_set = 1;
+           }
        }
     }

   /* Get Advanced Features at level 0x1d (eax = 0x1d).
      ACE check must be put after AVX10 check to get AVX10 features.
      TODO: Change the condition after AVX10V1AUX is added.  */
-  if (version >= 2 && avx10v2aux_set && ace_set && max_cpuid_level >= 0x1d)
+  if (((avx10v1aux_set && version >= 1) || version >= 2)
+       && avx10v2aux_set
+       && ace_set
+       && max_cpuid_level >= 0x1d)
     {
       __cpuid_count (0x1d, 0, eax, ebx, ecx, edx);
       if (eax == 2)
diff --git a/gcc/common/config/i386/i386-common.cc 
b/gcc/common/config/i386/i386-common.cc
index ed126f4c70d..016e35c2248 100644
--- a/gcc/common/config/i386/i386-common.cc
+++ b/gcc/common/config/i386/i386-common.cc
@@ -141,7 +141,10 @@ along with GCC; see the file COPYING3.  If not see
 #define OPTION_MASK_ISA2_AVX10V2AUX_SET \
   (OPTION_MASK_ISA2_AVX10_1_SET | OPTION_MASK_ISA2_AVX10V2AUX)
 #define OPTION_MASK_ISA2_ACEV1_SET \
-  (OPTION_MASK_ISA2_AVX10V2AUX_SET | OPTION_MASK_ISA2_ACEV1)
+  (OPTION_MASK_ISA2_AVX10V2AUX_SET | OPTION_MASK_ISA2_AVX10V1AUX_SET \
+   | OPTION_MASK_ISA2_ACEV1)
+#define OPTION_MASK_ISA2_AVX10V1AUX_SET \
+  (OPTION_MASK_ISA2_AVX10_1_SET | OPTION_MASK_ISA2_AVX10V1AUX)

 /* SSE4 includes both SSE4.1 and SSE4.2. -msse4 should be the same
    as -msse4.2.  */
@@ -328,7 +331,7 @@ along with GCC; see the file COPYING3.  If not see
 #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_AVX10V2AUX_UNSET)
+   | OPTION_MASK_ISA2_AVX10V2AUX_UNSET | OPTION_MASK_ISA2_AVX10V1AUX_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
@@ -336,8 +339,10 @@ along with GCC; see the file COPYING3.  If not see
 #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 | OPTION_MASK_ISA2_ACEV1_UNSET)
+  (OPTION_MASK_ISA2_ACEV1_UNSET | OPTION_MASK_ISA2_AVX10V2AUX)
 #define OPTION_MASK_ISA2_ACEV1_UNSET OPTION_MASK_ISA2_ACEV1
+#define OPTION_MASK_ISA2_AVX10V1AUX_UNSET \
+  (OPTION_MASK_ISA2_ACEV1_UNSET | OPTION_MASK_ISA2_AVX10V1AUX)

 /* SSE4 includes both SSE4.1 and SSE4.2.  -mno-sse4 should the same
    as -mno-sse4.1. */
@@ -1437,6 +1442,21 @@ ix86_handle_option (struct gcc_options *opts,
        }
       return true;

+       case OPT_mavx10v1aux:
+      if (value)
+       {
+         opts->x_ix86_isa_flags2 |= OPTION_MASK_ISA2_AVX10V1AUX_SET;
+         opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA2_AVX10V1AUX_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_AVX10V1AUX_UNSET;
+         opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA2_AVX10V1AUX_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 ed989667e02..e75b18bda22 100644
--- a/gcc/common/config/i386/i386-cpuinfo.h
+++ b/gcc/common/config/i386/i386-cpuinfo.h
@@ -285,6 +285,7 @@ enum processor_features
   FEATURE_AVX512BMM,
   FEATURE_AVX10V2AUX,
   FEATURE_ACEV1,
+  FEATURE_AVX10V1AUX,
   CPU_FEATURE_MAX
 };

diff --git a/gcc/common/config/i386/i386-isas.h 
b/gcc/common/config/i386/i386-isas.h
index 171226ab07b..f4a9fbad6bf 100644
--- a/gcc/common/config/i386/i386-isas.h
+++ b/gcc/common/config/i386/i386-isas.h
@@ -194,4 +194,6 @@ ISA_NAMES_TABLE_START
   ISA_NAMES_TABLE_ENTRY("avx10v2aux", FEATURE_AVX10V2AUX, P_NONE,
                        "-mavx10v2aux")
   ISA_NAMES_TABLE_ENTRY("acev1", FEATURE_ACEV1, P_NONE, "-macev1")
+  ISA_NAMES_TABLE_ENTRY("avx10v1aux", FEATURE_AVX10V1AUX, P_NONE,
+                       "-mavx10v1aux")
 ISA_NAMES_TABLE_END
diff --git a/gcc/config/i386/cpuid.h b/gcc/config/i386/cpuid.h
index c40970df872..e126bc72d54 100644
--- a/gcc/config/i386/cpuid.h
+++ b/gcc/config/i386/cpuid.h
@@ -174,6 +174,7 @@
 /* AVX10 sub leaf (%eax == 0x24, %ecx == 1) */
 /* %ecx */
 #define bit_AVX10V2AUX (1 << 3)
+#define bit_AVX10V1AUX (1 << 2)

 /* AMX sub leaf (%eax == 0x1e, %ecx == 1) */
 /* %eax */
diff --git a/gcc/config/i386/i386-c.cc b/gcc/config/i386/i386-c.cc
index f6a4093c277..6750332ee9c 100644
--- a/gcc/config/i386/i386-c.cc
+++ b/gcc/config/i386/i386-c.cc
@@ -794,6 +794,8 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
     def_or_undef (parse_in, "__AVX10V2AUX__");
   if (isa_flag2 & OPTION_MASK_ISA2_ACEV1)
     def_or_undef (parse_in, "__ACEV1__");
+  if (isa_flag2 & OPTION_MASK_ISA2_AVX10V1AUX)
+    def_or_undef (parse_in, "__AVX10V1AUX__");
   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 28835b1d542..9803ad6b6f1 100644
--- a/gcc/config/i386/i386-isa.def
+++ b/gcc/config/i386/i386-isa.def
@@ -127,3 +127,4 @@ DEF_PTA(AMX_MOVRS)
 DEF_PTA(AVX512BMM)
 DEF_PTA(AVX10V2AUX)
 DEF_PTA(ACEV1)
+DEF_PTA(AVX10V1AUX)
diff --git a/gcc/config/i386/i386-options.cc b/gcc/config/i386/i386-options.cc
index 37bb75a75c2..bef86229ed6 100644
--- a/gcc/config/i386/i386-options.cc
+++ b/gcc/config/i386/i386-options.cc
@@ -276,7 +276,8 @@ static struct ix86_target_opts isa2_opts[] =
   { "-mamx-movrs",     OPTION_MASK_ISA2_AMX_MOVRS },
   { "-mavx512bmm",     OPTION_MASK_ISA2_AVX512BMM },
   { "-mavx10v2aux",    OPTION_MASK_ISA2_AVX10V2AUX },
-  { "-macev1",         OPTION_MASK_ISA2_ACEV1 }
+  { "-macev1",         OPTION_MASK_ISA2_ACEV1 },
+  { "-mavx10v1aux",    OPTION_MASK_ISA2_AVX10V1AUX }
 };
 static struct ix86_target_opts isa_opts[] =
 {
@@ -1143,6 +1144,7 @@ ix86_valid_target_attribute_inner_p (tree fndecl, tree 
args, char *p_strings[],
     IX86_ATTR_ISA ("avx512bmm", OPT_mavx512bmm),
     IX86_ATTR_ISA ("avx10v2aux", OPT_mavx10v2aux),
     IX86_ATTR_ISA ("acev1", OPT_macev1),
+    IX86_ATTR_ISA ("avx10v1aux", OPT_mavx10v1aux),

     /* enum options */
     IX86_ATTR_ENUM ("fpmath=", OPT_mfpmath_),
diff --git a/gcc/config/i386/i386.opt b/gcc/config/i386/i386.opt
index f9aeeac08fa..740a08f8075 100644
--- a/gcc/config/i386/i386.opt
+++ b/gcc/config/i386/i386.opt
@@ -1399,3 +1399,8 @@ macev1
 Target Mask(ISA2_ACEV1) Var(ix86_isa_flags2) Save
 Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2,
 AVX10.1 and ACEV1 built-in functions and code generation.
+
+mavx10v1aux
+Target Mask(ISA2_AVX10V1AUX) Var(ix86_isa_flags2) Save
+Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2,
+AVX10.1 and AVX10V1AUX built-in functions and code generation.
diff --git a/gcc/config/i386/i386.opt.urls b/gcc/config/i386/i386.opt.urls
index 5cfa30c07e3..304cd67c5aa 100644
--- a/gcc/config/i386/i386.opt.urls
+++ b/gcc/config/i386/i386.opt.urls
@@ -641,3 +641,6 @@ UrlSuffix(gcc/x86-Options.html#index-mavx10v2aux)
 macev1
 UrlSuffix(gcc/x86-Options.html#index-macev1)

+mavx10v1aux
+UrlSuffix(gcc/x86-Options.html#index-mavx10v1aux)
+
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index a4981eb0deb..c829ce4adfd 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -9571,6 +9571,11 @@ Enable/disable the generation of the AVX10V2AUX 
instructions.
 @itemx no-acev1
 Enable/disable the generation of the ACEV1 instructions.

+@atindex @code{target("avx10v1aux")}, x86
+@item avx10v1aux
+@itemx no-avx10v1aux
+Enable/disable the generation of the AVX10V1AUX instructions.
+
 @atindex @code{target("cld")}, x86
 @item cld
 @itemx no-cld
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 86a00df78cf..4f4245c73b0 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  -mavx10v2aux  -macev1
+-mavx512bmm  -mavx10v2aux  -macev1  -mavx10v1aux
 -mcldemote  -mms-bitfields  -mno-align-stringops  -minline-all-stringops
 -minline-stringops-dynamically  -mstringop-strategy=@var{alg}
 -mkl  -mwidekl
@@ -36315,6 +36315,12 @@ AVX10.1 and AVX10V2AUX built-in functions and code 
generation.
 @item -macev1
 Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2,
 AVX10.1 and ACEV1 built-in functions and code generation.
+
+@opindex mavx10v1aux
+@opindex mno-avx10v1aux
+@item -mavx10v1aux
+Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2,
+AVX10.1 and AVX10V1AUX 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 b02cb28db51..50201436a89 100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -2718,6 +2718,9 @@ Target supports the execution of @code{avx} instructions.
 @item avx10v2aux
 Target supports the execution of @code{avx10v2aux} instructions.

+@item avx10v1aux
+Target supports the execution of @code{avx10v1aux} instructions.
+
 @item avx10.1
 Target supports the execution of @code{avx10.1} instructions.

--
2.34.1

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