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diff src/cpu/x86/vm/globals_x86.hpp @ 11080:b800986664f4

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7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 Summary: add intrinsics using new instruction to interpreter, C1, C2, for suitable x86; add test Reviewed-by: kvn, twisti
author drchase
date Tue, 02 Jul 2013 20:42:12 -0400
parents cd54c7e92908
children 14904566a4b2 d13d7aba8c12
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--- a/src/cpu/x86/vm/globals_x86.hpp	Tue Jul 02 07:51:31 2013 +0200
+++ b/src/cpu/x86/vm/globals_x86.hpp	Tue Jul 02 20:42:12 2013 -0400
@@ -96,6 +96,9 @@
   product(intx, UseAVX, 99,                                                 \
           "Highest supported AVX instructions set on x86/x64")              \
                                                                             \
+  product(bool, UseCLMUL, false,                                            \
+          "Control whether CLMUL instructions can be used on x86/x64")      \
+                                                                            \
   diagnostic(bool, UseIncDec, true,                                         \
           "Use INC, DEC instructions on x86")                               \
                                                                             \