Support Intel AVX-NE-CONVERT

gcc/ChangeLog:

	* common/config/i386/i386-common.cc
	(OPTION_MASK_ISA2_AVXNECONVERT_SET,
	OPTION_MASK_ISA2_AVXNECONVERT_UNSET): New.
	(ix86_handle_option): Handle -mavxneconvert, unset
	avxneconvert when avx2 is disabled.
	* common/config/i386/i386-cpuinfo.h (processor_types): Add
	FEATURE_AVXNECONVERT.
	* common/config/i386/i386-isas.h: Add ISA_NAME_TABLE_ENTRY for
	avxneconvert.
	* common/config/i386/cpuinfo.h (get_available_features):
	Detect avxneconvert.
	* config.gcc: Add avxneconvertintrin.h
	* config/i386/avxneconvertintrin.h: New.
	* config/i386/avx512bf16vlintrin.h (_mm256_cvtneps_pbh):
	Unified builtin with avxneconvert.
	(_mm_cvtneps_pbh): Ditto.
	* config/i386/cpuid.h (bit_AVXNECONVERT): New.
	* config/i386/i386-builtin-types.def: Add
	DEF_POINTER_TYPE (PCV8HF, V8HF, CONST),
	DEF_POINTER_TYPE (PCV8BF, V8BF, CONST),
	DEF_POINTER_TYPE (PCV16HF, V16HF, CONST),
	DEF_POINTER_TYPE (PCV16BF, V16BF, CONST),
	DEF_FUNCTION_TYPE (V4SF, PCBFLOAT16),
	DEF_FUNCTION_TYPE (V4SF, PCFLOAT16),
	DEF_FUNCTION_TYPE (V8SF, PCBFLOAT16),
	DEF_FUNCTION_TYPE (V8SF, PCFLOAT16),
	DEF_FUNCTION_TYPE (V4SF, PCV8BF),
	DEF_FUNCTION_TYPE (V4SF, PCV8HF),
	DEF_FUNCTION_TYPE (V8SF, PCV16HF),
	DEF_FUNCTION_TYPE (V8SF, PCV16BF),
	* config/i386/i386-builtin.def: Add new builtins.
	* config/i386/i386-c.cc (ix86_target_macros_internal): Define
	__AVXNECONVERT__.
	* config/i386/i386-expand.cc (ix86_expand_special_args_builtin):
	Handle V4SF_FTYPE_PCBFLOAT16,V8SF_FTYPE_PCBFLOAT16, V4SF_FTYPE_PCFLOAT16,
	V8SF_FTYPE_PCFLOAT16,V4SF_FTYPE_PCV8BF,
	V4SF_FTYPE_PCV8HF,V8SF_FTYPE_PCV16BF,V8SF_FTYPE_PCV16HF.
	* config/i386/i386-isa.def : Add DEF_PTA(AVXNECONVERT) New.
	* config/i386/i386-options.cc (isa2_opts): Add -mavxneconvert.
	(ix86_valid_target_attribute_inner_p): Handle avxneconvert.
	* config/i386/i386.md: Add attr avx512bf16vl and avxneconvert.
	* config/i386/i386.opt: Add option -mavxneconvert.
	* config/i386/immintrin.h: Inculde avxneconvertintrin.h.
	* config/i386/sse.md (vbcstnebf162ps_<mode>): New define_insn.
	(vbcstnesh2ps_<mode>): Ditto.
	(vcvtnee<bf16_ph>2ps_<mode>):Ditto.
	(vcvtneo<bf16_ph>2ps_<mode>):Ditto.
	(vcvtneps2bf16_v4sf): Ditto.
	(*vcvtneps2bf16_v4sf): Ditto.
	(vcvtneps2bf16_v8sf): Ditto.
	* doc/invoke.texi: Document -mavxneconvert.
	* doc/extend.texi: Document avxneconvert.
	* doc/sourcebuild.texi: Document target avxneconvert.

gcc/testsuite/ChangeLog:

	* gcc.target/i386/avx-check.h: Add avxneconvert check.
	* gcc.target/i386/funcspec-56.inc: Add new target attribute.
	* gcc.target/i386/sse-12.c: Add -mavxneconvert.
	* gcc.target/i386/sse-13.c: Ditto.
	* gcc.target/i386/sse-14.c: Ditto.
	* gcc.target/i386/sse-22.c: Ditto.
	* gcc.target/i386/sse-23.c: Ditto.
	* g++.dg/other/i386-2.C: Ditto.
	* g++.dg/other/i386-3.C: Ditto.
	* lib/target-supports.exp:add check_effective_target_avxneconvert.
	* gcc.target/i386/avx-ne-convert-1.c: New test.
	* gcc.target/i386/avx-ne-convert-vbcstnebf162ps-2.c: Ditto.
	* gcc.target/i386/avx-ne-convert-vbcstnesh2ps-2.c: Ditto.
	* gcc.target/i386/avx-ne-convert-vcvtneebf162ps-2.c: Ditto.
	* gcc.target/i386/avx-ne-convert-vcvtneeph2ps-2.c: Ditto.
	* gcc.target/i386/avx-ne-convert-vcvtneobf162ps-2.c: Ditto.
	* gcc.target/i386/avx-ne-convert-vcvtneoph2ps-2.c: Ditto.
	* gcc.target/i386/avx-ne-convert-vcvtneps2bf16-2.c: Ditto.
	* gcc.target/i386/avx512bf16vl-vcvtneps2bf16-1.c: Rename..
	* gcc.target/i386/avx512bf16vl-vcvtneps2bf16-1a.c: To this.
	* gcc.target/i386/avx512bf16vl-vcvtneps2bf16-1b.c: New test.

4 files changed, 25 insertions, 1 deletions

diff --git a/gcc/common/config/i386/cpuinfo.h b/gcc/common/config/i386/cpuinfo.h
index 19ea713..62c3d1b 100644
--- a/gcc/common/config/i386/cpuinfo.h
+++ b/gcc/common/config/i386/cpuinfo.h
@@ -839,6 +839,8 @@ get_available_features (struct __processor_model *cpu_model,
 	    set_feature (FEATURE_AVXIFMA);
 	  if (edx & bit_AVXVNNIINT8)
 	    set_feature (FEATURE_AVXVNNIINT8);
+	  if (edx & bit_AVXNECONVERT)
+	    set_feature (FEATURE_AVXNECONVERT);
 	}
       if (avx512_usable)
 	{
diff --git a/gcc/common/config/i386/i386-common.cc b/gcc/common/config/i386/i386-common.cc
index f66bdd5..cd6ad2c 100644
--- a/gcc/common/config/i386/i386-common.cc
+++ b/gcc/common/config/i386/i386-common.cc
@@ -109,6 +109,7 @@ along with GCC; see the file COPYING3.  If not see
 #define OPTION_MASK_ISA2_AMX_INT8_SET OPTION_MASK_ISA2_AMX_INT8
 #define OPTION_MASK_ISA2_AMX_BF16_SET OPTION_MASK_ISA2_AMX_BF16
 #define OPTION_MASK_ISA2_AVXVNNIINT8_SET OPTION_MASK_ISA2_AVXVNNIINT8
+#define OPTION_MASK_ISA2_AVXNECONVERT_SET OPTION_MASK_ISA2_AVXNECONVERT
 
 /* SSE4 includes both SSE4.1 and SSE4.2. -msse4 should be the same
    as -msse4.2.  */
@@ -215,7 +216,8 @@ along with GCC; see the file COPYING3.  If not see
   (OPTION_MASK_ISA_AVX2 | OPTION_MASK_ISA_AVX512F_UNSET)
 #define OPTION_MASK_ISA2_AVX2_UNSET \
   (OPTION_MASK_ISA2_AVXIFMA_UNSET | OPTION_MASK_ISA2_AVXVNNI_UNSET \
-   | OPTION_MASK_ISA2_AVXVNNIINT8_UNSET | OPTION_MASK_ISA2_AVX512F_UNSET)
+   | OPTION_MASK_ISA2_AVXVNNIINT8_UNSET | OPTION_MASK_ISA2_AVXNECONVERT_UNSET \
+   | OPTION_MASK_ISA2_AVX512F_UNSET)
 #define OPTION_MASK_ISA_AVX512F_UNSET \
   (OPTION_MASK_ISA_AVX512F | OPTION_MASK_ISA_AVX512CD_UNSET \
    | OPTION_MASK_ISA_AVX512PF_UNSET | OPTION_MASK_ISA_AVX512ER_UNSET \
@@ -280,6 +282,7 @@ along with GCC; see the file COPYING3.  If not see
   (OPTION_MASK_ISA2_KL | OPTION_MASK_ISA2_WIDEKL_UNSET)
 #define OPTION_MASK_ISA2_WIDEKL_UNSET OPTION_MASK_ISA2_WIDEKL
 #define OPTION_MASK_ISA2_AVXVNNIINT8_UNSET OPTION_MASK_ISA2_AVXVNNIINT8
+#define OPTION_MASK_ISA2_AVXNECONVERT_UNSET OPTION_MASK_ISA2_AVXNECONVERT
 
 /* SSE4 includes both SSE4.1 and SSE4.2.  -mno-sse4 should the same
    as -mno-sse4.1. */
@@ -1162,6 +1165,22 @@ ix86_handle_option (struct gcc_options *opts,
 	}
       return true;
 
+    case OPT_mavxneconvert:
+      if (value)
+	{
+	  opts->x_ix86_isa_flags2 |= OPTION_MASK_ISA2_AVXNECONVERT_SET;
+	  opts->x_ix86_isa_flags2_explicit |= OPTION_MASK_ISA2_AVXNECONVERT_SET;
+	  opts->x_ix86_isa_flags |= OPTION_MASK_ISA_AVX2_SET;
+	  opts->x_ix86_isa_flags_explicit |= OPTION_MASK_ISA_AVX2_SET;
+	}
+      else
+	{
+	  opts->x_ix86_isa_flags2 &= ~OPTION_MASK_ISA2_AVXNECONVERT_UNSET;
+	  opts->x_ix86_isa_flags2_explicit
+	    |= OPTION_MASK_ISA2_AVXNECONVERT_UNSET;
+	}
+      return true;
+
     case OPT_mfma:
       if (value)
 	{
diff --git a/gcc/common/config/i386/i386-cpuinfo.h b/gcc/common/config/i386/i386-cpuinfo.h
index 761af27..4fbbfa5 100644
--- a/gcc/common/config/i386/i386-cpuinfo.h
+++ b/gcc/common/config/i386/i386-cpuinfo.h
@@ -245,6 +245,7 @@ enum processor_features
   FEATURE_X86_64_V4,
   FEATURE_AVXIFMA,
   FEATURE_AVXVNNIINT8,
+  FEATURE_AVXNECONVERT,
   CPU_FEATURE_MAX
 };
 
diff --git a/gcc/common/config/i386/i386-isas.h b/gcc/common/config/i386/i386-isas.h
index 8c1f351..bceaee5 100644
--- a/gcc/common/config/i386/i386-isas.h
+++ b/gcc/common/config/i386/i386-isas.h
@@ -178,4 +178,6 @@ ISA_NAMES_TABLE_START
   ISA_NAMES_TABLE_ENTRY("avxifma", FEATURE_AVXIFMA, P_NONE, "-mavxifma")
   ISA_NAMES_TABLE_ENTRY("avxvnniint8", FEATURE_AVXVNNIINT8,
 			P_NONE, "-mavxvnniint8")
+  ISA_NAMES_TABLE_ENTRY("avxneconvert", FEATURE_AVXNECONVERT,
+			P_NONE, "-mavxneconvert")
 ISA_NAMES_TABLE_END