svm: adopt "JDK-8365633: Incorrect info is reported on hybrid CPU"

Author: zapster

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/amd64/AMD64LibCHelper.java

@@ -322,6 +322,10 @@ public interface CPUFeatures extends PointerBase {
         @AllowNarrowingCast
         @CField
         boolean fAVX10_2();
+
+        @AllowNarrowingCast
+        @CField
+        boolean fHYBRID();
     }
     // Checkstyle: resume
 }

substratevm/src/com.oracle.svm.native.libchelper/include/amd64cpufeatures.h

@@ -91,4 +91,5 @@ typedef struct {
   uint8_t fAVX512_FP16;
   uint8_t fAVX10_1;
   uint8_t fAVX10_2;
+  uint8_t fHYBRID;
 } CPUFeatures;

substratevm/src/com.oracle.svm.native.libchelper/include/amd64hotspotcpuinfo.h

@@ -265,7 +265,8 @@ typedef union {
       fast_short_rep_mov : 1,
                          : 9,
                serialize : 1,
-                         : 5,
+                  hybrid : 1,
+                         : 4,
                  cet_ibt : 1,
                          : 2,
             avx512_fp16  : 1,

substratevm/src/com.oracle.svm.native.libchelper/src/cpuid.c

@@ -577,6 +577,8 @@ NO_INLINE static void set_cpufeatures(CPUFeatures *features, CpuidInfo *_cpuid_i
   {
     if (_cpuid_info->sef_cpuid7_edx.bits.serialize != 0)
       features->fSERIALIZE = 1;
+    if (_cpuid_info->sef_cpuid7_edx.bits.hybrid != 0)
+      features->fHYBRID = 1;
     if (_cpuid_info->sef_cpuid7_edx.bits.avx512_fp16 != 0)
       features->fAVX512_FP16 = 1;
   }