Merge pull request #3105 from martin-frbg/tigerlake

Recognize Intel Tiger Lake CPUID as SkylakeX

cpuid_x86.c

@@ -1418,6 +1418,15 @@ int get_cpuname(void){
       case 9:
       case 8:      
         switch (model) {
+        case 12: // Tiger Lake
+          if(support_avx512())
+            return CPUTYPE_SKYLAKEX;
+          if(support_avx2())
+            return CPUTYPE_HASWELL;
+          if(support_avx())
+            return CPUTYPE_SANDYBRIDGE;
+          else
+          return CPUTYPE_NEHALEM;
 	case 14: // Kaby Lake and refreshes
           if(support_avx2())
             return CPUTYPE_HASWELL;
@@ -2124,6 +2133,16 @@ int get_coretype(void){
         break;    	
       case 9:
       case 8:
+       if (model == 12) { // Tiger Lake
+          if(support_avx512())
+            return CPUTYPE_SKYLAKEX;
+          if(support_avx2())
+            return CPUTYPE_HASWELL;
+          if(support_avx())
+            return CPUTYPE_SANDYBRIDGE;
+          else
+          return CPUTYPE_NEHALEM;
+        }
         if (model == 14) { // Kaby Lake 
 	  if(support_avx())
 #ifndef NO_AVX2

driver/others/dynamic.c

@@ -644,6 +644,21 @@ static gotoblas_t *get_coretype(void){
         return NULL;  
       case 9:
       case 8:
+        if (model == 12) { // Tiger Lake
+          if (support_avx512()) 
+            return &gotoblas_SKYLAKEX;
+          if(support_avx2()){
+            openblas_warning(FALLBACK_VERBOSE, HASWELL_FALLBACK);
+            return &gotoblas_HASWELL;
+          }
+          if(support_avx()) {
+            openblas_warning(FALLBACK_VERBOSE, SANDYBRIDGE_FALLBACK);
+            return &gotoblas_SANDYBRIDGE;
+          } else {
+          openblas_warning(FALLBACK_VERBOSE, NEHALEM_FALLBACK);
+          return &gotoblas_NEHALEM;
+          }
+        }
 	if (model == 14 ) { // Kaby Lake, Coffee Lake
 	  if(support_avx2())
 	    return &gotoblas_HASWELL;