8364296: Set IntelJccErratumMitigation flag ergonomically

rgithubli · Victor Rudometov · commit 569b97fa16f5 · 2025-09-15T23:09:08.000Z
Backport-of: 6c5804722b5b2064e0d6ade2180c3126d8f2dabc
diff --git a/src/hotspot/cpu/x86/vm_version_x86.cpp b/src/hotspot/cpu/x86/vm_version_x86.cpp
@@ -1069,6 +1069,7 @@ void VM_Version::get_processor_features() {
 
   if (FLAG_IS_DEFAULT(IntelJccErratumMitigation)) {
     _has_intel_jcc_erratum = compute_has_intel_jcc_erratum();
+    FLAG_SET_ERGO(IntelJccErratumMitigation, _has_intel_jcc_erratum);
   } else {
     _has_intel_jcc_erratum = IntelJccErratumMitigation;
   }

Original file line number	Diff line number	Diff line change
`@@ -1069,6 +1069,7 @@ void VM_Version::get_processor_features() {`
`1069`	`1069`
`1070`	`1070`	`if (FLAG_IS_DEFAULT(IntelJccErratumMitigation)) {`
`1071`	`1071`	`_has_intel_jcc_erratum = compute_has_intel_jcc_erratum();`
	`1072`	`+ FLAG_SET_ERGO(IntelJccErratumMitigation, _has_intel_jcc_erratum);`
`1072`	`1073`	`} else {`
`1073`	`1074`	`_has_intel_jcc_erratum = IntelJccErratumMitigation;`
`1074`	`1075`	`}`