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7035713: 3DNow Prefetch Instruction Support

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The upcoming processors from AMD are the first that support 3dnow prefetch without supporting the 3dnow instruction set.

Reviewed-by: kvn
This commit is contained in:
Tom Deneau 2011-04-11 15:30:31 -07:00 • committed by Vladimir Kozlov
parent 93459f517d
commit 899faa3fec
5 changed files with 25 additions and 25 deletions
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4
hotspot/src/cpu/x86/vm/assembler_x86.cpp
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@ -2317,7 +2317,7 @@ void Assembler::prefetchnta(Address src) {
}
void Assembler::prefetchr(Address src) {
NOT_LP64(assert(VM_Version::supports_3dnow(), "must support"));
NOT_LP64(assert(VM_Version::supports_3dnow_prefetch(), "must support"));
InstructionMark im(this);
prefetch_prefix(src);
emit_byte(0x0D);
@ -2349,7 +2349,7 @@ void Assembler::prefetcht2(Address src) {
}
void Assembler::prefetchw(Address src) {
NOT_LP64(assert(VM_Version::supports_3dnow(), "must support"));
NOT_LP64(assert(VM_Version::supports_3dnow_prefetch(), "must support"));
InstructionMark im(this);
prefetch_prefix(src);
emit_byte(0x0D);