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diff src/cpu/sparc/vm/vm_version_sparc.cpp @ 1575:3657cb01ffc5

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6954029: Improve implicit null check generation with compressed oops Summary: Hoist DecodeN instruction above null check Reviewed-by: never, twisti
author kvn
date Wed, 02 Jun 2010 09:49:32 -0700
parents 3bfae429e2cf
children e9ff18c4ace7
line wrap: on
line diff
--- a/src/cpu/sparc/vm/vm_version_sparc.cpp	Sat May 29 19:22:32 2010 -0700
+++ b/src/cpu/sparc/vm/vm_version_sparc.cpp	Wed Jun 02 09:49:32 2010 -0700
@@ -65,13 +65,6 @@
       FLAG_SET_DEFAULT(UseInlineCaches, false);
     }
 #ifdef _LP64
-    // Single issue niagara1 is slower for CompressedOops
-    // but niagaras after that it's fine.
-    if (!is_niagara1_plus()) {
-      if (FLAG_IS_DEFAULT(UseCompressedOops)) {
-        FLAG_SET_ERGO(bool, UseCompressedOops, false);
-      }
-    }
     // 32-bit oops don't make sense for the 64-bit VM on sparc
     // since the 32-bit VM has the same registers and smaller objects.
     Universe::set_narrow_oop_shift(LogMinObjAlignmentInBytes);