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x86-asm: Implement prefetchw opcode

master
Michael Matz 2016-07-11 22:06:27 +02:00
parent 5692716770
commit 10e4db45dc
2 changed files with 2 additions and 0 deletions
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1
tests/asmtest.S
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@ -622,6 +622,7 @@ int $0x10
prefetcht0 (%rcx)
prefetcht1 (%rsi)
prefetcht2 (%rdi)
prefetchw (%rdi)
clflush 0x1000(%rax,%rcx)
fxsaveq (%rdx)
fxrstorq (%rcx)

1
x86_64-asm.h
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@ -507,6 +507,7 @@ ALT(DEF_ASM_OP2(movhps, 0x0f17, 0, OPC_MODRM, OPT_SSE, OPT_EA | OPT_REG32 ))
DEF_ASM_OP1(prefetcht0, 0x0f18, 1, OPC_MODRM, OPT_EA)
DEF_ASM_OP1(prefetcht1, 0x0f18, 2, OPC_MODRM, OPT_EA)
DEF_ASM_OP1(prefetcht2, 0x0f18, 3, OPC_MODRM, OPT_EA)
DEF_ASM_OP1(prefetchw, 0x0f0d, 1, OPC_MODRM, OPT_EA)
DEF_ASM_OP0L(lfence, 0x0fae, 5, OPC_MODRM)
DEF_ASM_OP0L(mfence, 0x0fae, 6, OPC_MODRM)
DEF_ASM_OP0L(sfence, 0x0fae, 7, OPC_MODRM)