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8143012: CRC32 Intrinsics support on SPARC

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Reviewed-by: kvn, roland
This commit is contained in:
Ahmed Khawaja 2015-11-20 08:29:10 -08:00 • committed by Vladimir Kozlov
parent ea052022fa
commit e28d9ba105
11 changed files with 822 additions and 7 deletions
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9
hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp
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@ -347,6 +347,15 @@ void VM_Version::initialize() {
FLAG_SET_DEFAULT(UseAdler32Intrinsics, false);
}
if (UseVIS > 2) {
if (FLAG_IS_DEFAULT(UseCRC32Intrinsics)) {
FLAG_SET_DEFAULT(UseCRC32Intrinsics, true);
}
} else if (UseCRC32Intrinsics) {
warning("SPARC CRC32 intrinsics require VIS3 insructions support. Intriniscs will be disabled");
FLAG_SET_DEFAULT(UseCRC32Intrinsics, false);
}
if (FLAG_IS_DEFAULT(ContendedPaddingWidth) &&
(cache_line_size > ContendedPaddingWidth))
ContendedPaddingWidth = cache_line_size;