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diff src/cpu/ppc/vm/vm_version_ppc.cpp @ 14440:41b780b43b74

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8029015: PPC64 (part 216): opto: trap based null and range checks Summary: On PPC64 use tdi instruction that does a compare and raises SIGTRAP for NULL and range checks. Reviewed-by: kvn
author goetz
date Wed, 27 Nov 2013 16:16:21 -0800
parents ec28f9c041ff
children 67fa91961822
line wrap: on
line diff
--- a/src/cpu/ppc/vm/vm_version_ppc.cpp	Tue Nov 26 18:38:19 2013 -0800
+++ b/src/cpu/ppc/vm/vm_version_ppc.cpp	Wed Nov 27 16:16:21 2013 -0800
@@ -77,14 +77,17 @@
     MSG(TrapBasedICMissChecks);
     MSG(TrapBasedNotEntrantChecks);
     MSG(TrapBasedNullChecks);
-    MSG(TrapBasedRangeChecks);
     FLAG_SET_ERGO(bool, TrapBasedNotEntrantChecks, false);
     FLAG_SET_ERGO(bool, TrapBasedNullChecks,       false);
     FLAG_SET_ERGO(bool, TrapBasedICMissChecks,     false);
-    FLAG_SET_ERGO(bool, TrapBasedRangeChecks,      false);
   }
 
 #ifdef COMPILER2
+  if (!UseSIGTRAP) {
+    MSG(TrapBasedRangeChecks);
+    FLAG_SET_ERGO(bool, TrapBasedRangeChecks, false);
+  }
+
   // On Power6 test for section size.
   if (PowerArchitecturePPC64 == 6)
     determine_section_size();