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6761600: Use sse 4.2 in intrinsics

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Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.

Reviewed-by: kvn, never, jrose
This commit is contained in:
Changpeng Fang 2009-03-31 14:07:08 -07:00
parent aee9449305
commit c0d62ad9e6
18 changed files with 1297 additions and 192 deletions
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8
hotspot/src/share/vm/runtime/globals.hpp
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@ -491,9 +491,15 @@ class CommandLineFlags {
develop(bool, SpecialStringIndexOf, true, \
"special version of string indexOf") \
\
product(bool, SpecialArraysEquals, false, \
develop(bool, SpecialStringEquals, true, \
"special version of string equals") \
\
develop(bool, SpecialArraysEquals, true, \
"special version of Arrays.equals(char[],char[])") \
\
product(bool, UseSSE42Intrinsics, false, \
"SSE4.2 versions of intrinsics") \
\
develop(bool, TraceCallFixup, false, \
"traces all call fixups") \
\