Initial Grand Ridge support

gcc/ChangeLog:

	* common/config/i386/cpuinfo.h
	(get_intel_cpu): Handle Grand Ridge.
	* common/config/i386/i386-common.cc
	(processor_names): Add grandridge.
	(processor_alias_table): Ditto.
	* common/config/i386/i386-cpuinfo.h:
	(enum processor_types): Add INTEL_GRANDRIDGE.
	* config.gcc: Add -march=grandridge.
	* config/i386/driver-i386.cc (host_detect_local_cpu):
	Handle grandridge.
	* config/i386/i386-c.cc (ix86_target_macros_internal):
	Ditto.
	* config/i386/i386-options.cc (m_GRANDRIDGE): New define.
	(processor_cost_table): Add grandridge.
	* config/i386/i386.h (enum processor_type):
	Add PROCESSOR_GRANDRIDGE.
	(PTA_GRANDRIDGE): Ditto.
	* doc/extend.texi: Add grandridge.
	* doc/invoke.texi: Ditto.

gcc/testsuite/ChangeLog:

	* g++.target/i386/mv16.C: Add grandridge.
	* gcc.target/i386/funcspec-56.inc: Handle new march.

12 files changed, 45 insertions, 2 deletions

diff --git a/gcc/common/config/i386/cpuinfo.h b/gcc/common/config/i386/cpuinfo.h
index df3500adc83..4d1bcffb978 100644
--- a/gcc/common/config/i386/cpuinfo.h
+++ b/gcc/common/config/i386/cpuinfo.h
@@ -573,6 +573,12 @@ get_intel_cpu (struct __processor_model *cpu_model,
       cpu_model->__cpu_type = INTEL_COREI7;
       cpu_model->__cpu_subtype = INTEL_COREI7_GRANITERAPIDS;
       break;
+    case 0xb6:
+      /* Grand Ridge.  */
+      cpu = "grandridge";
+      CHECK___builtin_cpu_is ("grandridge");
+      cpu_model->__cpu_type = INTEL_GRANDRIDGE;
+      break;
     case 0x17:
     case 0x1d:
       /* Penryn.  */
diff --git a/gcc/common/config/i386/i386-common.cc b/gcc/common/config/i386/i386-common.cc
index 60a193a651c..431fd0d3ad1 100644
--- a/gcc/common/config/i386/i386-common.cc
+++ b/gcc/common/config/i386/i386-common.cc
@@ -1920,6 +1920,7 @@ const char *const processor_names[] =
   "goldmont-plus",
   "tremont",
   "sierraforest",
+  "grandridge",
   "knl",
   "knm",
   "skylake",
@@ -2071,6 +2072,8 @@ const pta processor_alias_table[] =
     M_CPU_TYPE (INTEL_TREMONT), P_PROC_SSE4_2},
   {"sierraforest", PROCESSOR_SIERRAFOREST, CPU_HASWELL, PTA_SIERRAFOREST,
     M_CPU_SUBTYPE (INTEL_SIERRAFOREST), P_PROC_AVX2},
+  {"grandridge", PROCESSOR_GRANDRIDGE, CPU_HASWELL, PTA_GRANDRIDGE,
+    M_CPU_TYPE (INTEL_GRANDRIDGE), P_PROC_AVX2},
   {"knl", PROCESSOR_KNL, CPU_SLM, PTA_KNL,
     M_CPU_TYPE (INTEL_KNL), P_PROC_AVX512F},
   {"knm", PROCESSOR_KNM, CPU_SLM, PTA_KNM,
diff --git a/gcc/common/config/i386/i386-cpuinfo.h b/gcc/common/config/i386/i386-cpuinfo.h
index 345fda648ff..fe2e9e21fd2 100644
--- a/gcc/common/config/i386/i386-cpuinfo.h
+++ b/gcc/common/config/i386/i386-cpuinfo.h
@@ -61,6 +61,7 @@ enum processor_types
   AMDFAM19H,
   ZHAOXIN_FAM7H,
   INTEL_SIERRAFOREST,
+  INTEL_GRANDRIDGE,
   CPU_TYPE_MAX,
   BUILTIN_CPU_TYPE_MAX = CPU_TYPE_MAX
 };
diff --git a/gcc/config.gcc b/gcc/config.gcc
index 84c040746dc..b5eda046033 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -669,7 +669,7 @@ silvermont knl knm skylake-avx512 cannonlake icelake-client icelake-server \
 skylake goldmont goldmont-plus tremont cascadelake tigerlake cooperlake \
 sapphirerapids alderlake rocketlake eden-x2 nano nano-1000 nano-2000 nano-3000 \
 nano-x2 eden-x4 nano-x4 lujiazui x86-64 x86-64-v2 x86-64-v3 x86-64-v4 \
-sierraforest graniterapids native"
+sierraforest graniterapids grandridge native"
 
 # Additional x86 processors supported by --with-cpu=.  Each processor
 # MUST be separated by exactly one space.
diff --git a/gcc/config/i386/driver-i386.cc b/gcc/config/i386/driver-i386.cc
index 3117d83de00..95c16c23c7f 100644
--- a/gcc/config/i386/driver-i386.cc
+++ b/gcc/config/i386/driver-i386.cc
@@ -591,8 +591,11 @@ const char *host_detect_local_cpu (int argc, const char **argv)
 	      /* This is unknown family 0x6 CPU.  */
 	      if (has_feature (FEATURE_AVX))
 		{
+		  /* Assume Grand Ridge.  */
+		  if (has_feature (FEATURE_RAOINT))
+		    cpu = "grandridge";
 		  /* Assume Granite Rapids.  */
-		  if (has_feature (FEATURE_AMX_FP16))
+		  else if (has_feature (FEATURE_AMX_FP16))
 		    cpu = "graniterapids";
 		  /* Assume Sierra Forest.  */
 		  else if (has_feature (FEATURE_AVXVNNIINT8))
diff --git a/gcc/config/i386/i386-c.cc b/gcc/config/i386/i386-c.cc
index a877d24148d..44fab6e80ae 100644
--- a/gcc/config/i386/i386-c.cc
+++ b/gcc/config/i386/i386-c.cc
@@ -206,6 +206,10 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
       def_or_undef (parse_in, "__sierraforest");
       def_or_undef (parse_in, "__sierraforest__");
       break;
+    case PROCESSOR_GRANDRIDGE:
+      def_or_undef (parse_in, "__grandridge");
+      def_or_undef (parse_in, "__grandridge__");
+      break;
     case PROCESSOR_KNL:
       def_or_undef (parse_in, "__knl");
       def_or_undef (parse_in, "__knl__");
@@ -395,6 +399,9 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
     case PROCESSOR_SIERRAFOREST:
       def_or_undef (parse_in, "__tune_sierraforest__");
       break;
+    case PROCESSOR_GRANDRIDGE:
+      def_or_undef (parse_in, "__tune_grandridge__");
+      break;
     case PROCESSOR_KNL:
       def_or_undef (parse_in, "__tune_knl__");
       break;
diff --git a/gcc/config/i386/i386-options.cc b/gcc/config/i386/i386-options.cc
index 3c7570c5edd..23ab1f867d0 100644
--- a/gcc/config/i386/i386-options.cc
+++ b/gcc/config/i386/i386-options.cc
@@ -138,6 +138,7 @@ along with GCC; see the file COPYING3.  If not see
 #define m_GOLDMONT_PLUS (HOST_WIDE_INT_1U<<PROCESSOR_GOLDMONT_PLUS)
 #define m_TREMONT (HOST_WIDE_INT_1U<<PROCESSOR_TREMONT)
 #define m_SIERRAFOREST (HOST_WIDE_INT_1U<<PROCESSOR_SIERRAFOREST)
+#define m_GRANDRIDGE (HOST_WIDE_INT_1U<<PROCESSOR_GRANDRIDGE)
 #define m_INTEL (HOST_WIDE_INT_1U<<PROCESSOR_INTEL)
 
 #define m_LUJIAZUI (HOST_WIDE_INT_1U<<PROCESSOR_LUJIAZUI)
@@ -750,6 +751,7 @@ static const struct processor_costs *processor_cost_table[] =
   &slm_cost,
   &tremont_cost,
   &alderlake_cost,
+  &alderlake_cost,
   &slm_cost,
   &slm_cost,
   &skylake_cost,
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index e3e675d36c5..b32db8da109 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -2226,6 +2226,7 @@ enum processor_type
   PROCESSOR_GOLDMONT_PLUS,
   PROCESSOR_TREMONT,
   PROCESSOR_SIERRAFOREST,
+  PROCESSOR_GRANDRIDGE,
   PROCESSOR_KNL,
   PROCESSOR_KNM,
   PROCESSOR_SKYLAKE,
@@ -2351,6 +2352,7 @@ constexpr wide_int_bitmask PTA_SIERRAFOREST = PTA_ALDERLAKE | PTA_AVXIFMA
   | PTA_AVXVNNIINT8 | PTA_AVXNECONVERT | PTA_CMPCCXADD;
 constexpr wide_int_bitmask PTA_GRANITERAPIDS = PTA_SAPPHIRERAPIDS | PTA_AMX_FP16
   | PTA_PREFETCHI;
+constexpr wide_int_bitmask PTA_GRANDRIDGE = PTA_SIERRAFOREST | PTA_RAOINT;
 constexpr wide_int_bitmask PTA_KNM = PTA_KNL | PTA_AVX5124VNNIW
   | PTA_AVX5124FMAPS | PTA_AVX512VPOPCNTDQ;
 constexpr wide_int_bitmask PTA_ZNVER1 = PTA_64BIT | PTA_MMX | PTA_SSE | PTA_SSE2
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 33a49338bd3..8da0db9770d 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -21986,6 +21986,9 @@ Intel Atom Tremont CPU.
 @item sierraforest
 Intel Atom Sierra Forest CPU.
 
+@item grandridge
+Intel Atom Grand Ridge CPU.
+
 @item knl
 Intel Knights Landing CPU.
 
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index fa6adfdd683..4a0fbca938e 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -32080,6 +32080,15 @@ MOVDIR64B, CLDEMOTE, WAITPKG, ADCX, AVX, AVX2, BMI, BMI2, F16C, FMA, LZCNT,
 PCONFIG, PKU, VAES, VPCLMULQDQ, SERIALIZE, HRESET, KL, WIDEKL, AVX-VNNI,
 AVXIFMA, AVXVNNIINT8, AVXNECONVERT and CMPCCXADD instruction set support.
 
+@item grandridge
+Intel Grand Ridge CPU with 64-bit extensions, MOVBE, MMX, SSE, SSE2, SSE3,
+SSSE3, SSE4.1, SSE4.2, POPCNT, AES, PREFETCHW, PCLMUL, RDRND, XSAVE, XSAVEC,
+XSAVES, XSAVEOPT, FSGSBASE, PTWRITE, RDPID, SGX, GFNI-SSE, CLWB, MOVDIRI,
+MOVDIR64B, CLDEMOTE, WAITPKG, ADCX, AVX, AVX2, BMI, BMI2, F16C, FMA, LZCNT,
+PCONFIG, PKU, VAES, VPCLMULQDQ, SERIALIZE, HRESET, KL, WIDEKL, AVX-VNNI,
+AVXIFMA, AVXVNNIINT8, AVXNECONVERT, CMPCCXADD and RAOINT instruction set
+support.
+
 @item knl
 Intel Knight's Landing CPU with 64-bit extensions, MOVBE, MMX, SSE, SSE2, SSE3,
 SSSE3, SSE4.1, SSE4.2, POPCNT, CX16, SAHF, FXSR, AVX, XSAVE, PCLMUL, FSGSBASE,
diff --git a/gcc/testsuite/g++.target/i386/mv16.C b/gcc/testsuite/g++.target/i386/mv16.C
index e0e0f153d1c..772791b96e8 100644
--- a/gcc/testsuite/g++.target/i386/mv16.C
+++ b/gcc/testsuite/g++.target/i386/mv16.C
@@ -100,6 +100,10 @@ int __attribute__ ((target("arch=graniterapids"))) foo () {
   return 26;
 }
 
+int __attribute__ ((target("arch=grandridge"))) foo () {
+  return 27;
+}
+
 int main ()
 {
   int val = foo ();
@@ -142,6 +146,8 @@ int main ()
     assert (val == 25);
   else if (__builtin_cpu_is ("graniterapids"))
     assert (val == 26);
+  else if (__builtin_cpu_is ("grandridge"))
+    assert (val == 27);
   else
     assert (val == 0);
 
diff --git a/gcc/testsuite/gcc.target/i386/funcspec-56.inc b/gcc/testsuite/gcc.target/i386/funcspec-56.inc
index 7eb18c6952d..37802307bcf 100644
--- a/gcc/testsuite/gcc.target/i386/funcspec-56.inc
+++ b/gcc/testsuite/gcc.target/i386/funcspec-56.inc
@@ -186,6 +186,7 @@ extern void test_arch_goldmont (void)		__attribute__((__target__("arch=goldmont"
 extern void test_arch_goldmont_plus (void)	__attribute__((__target__("arch=goldmont-plus")));
 extern void test_arch_tremont (void)		__attribute__((__target__("arch=tremont")));
 extern void test_arch_sierraforest (void)       __attribute__((__target__("arch=sierraforest")));
+extern void test_arch_grandridge (void)		__attribute__((__target__("arch=grandridge")));
 extern void test_arch_knl (void)		__attribute__((__target__("arch=knl")));
 extern void test_arch_knm (void)		__attribute__((__target__("arch=knm")));
 extern void test_arch_skylake (void)		__attribute__((__target__("arch=skylake")));