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x86asm: Add movnti

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in the unsuffixed form we also accept REG8 and REG16, for easier
parsing (we have no instruction type for only the LQ forms).
This commit is contained in:
Michael Matz 2022-07-11 16:00:28 +02:00
parent 64f4b00d34
commit 0c36b3ff2d
2 changed files with 8 additions and 0 deletions
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4
tests/asmtest.S
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@ -701,6 +701,10 @@ int $0x10
fxsaveq (%r11)
fxrstorq (%rcx)
fxrstorq (%r10)
movnti %ebx, (%rdi)
movntil %ecx, (%rdi)
movnti %rax, (%rdi)
movntiq %r8, (%rdi)
#endif

4
x86_64-asm.h
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@ -520,6 +520,10 @@ ALT(DEF_ASM_OP2(movhps, 0x0f17, 0, OPC_MODRM, OPT_SSE, OPT_EA | OPT_REG32 ))
DEF_ASM_OP2(sqrtps, 0x0f51, 0, OPC_MODRM, OPT_EA | OPT_SSE, OPT_SSE )
DEF_ASM_OP2(subps, 0x0f5c, 0, OPC_MODRM, OPT_EA | OPT_SSE, OPT_SSE )
/* movnti should only accept REG32 and REG64, we accept more */
DEF_ASM_OP2(movnti, 0x0fc3, 0, OPC_MODRM, OPT_REG, OPT_EA)
DEF_ASM_OP2(movntil, 0x0fc3, 0, OPC_MODRM, OPT_REG32, OPT_EA)
DEF_ASM_OP2(movntiq, 0x0fc3, 0, OPC_MODRM | OPC_48, OPT_REG64, OPT_EA)
DEF_ASM_OP1(prefetchnta, 0x0f18, 0, OPC_MODRM, OPT_EA)
DEF_ASM_OP1(prefetcht0, 0x0f18, 1, OPC_MODRM, OPT_EA)
DEF_ASM_OP1(prefetcht1, 0x0f18, 2, OPC_MODRM, OPT_EA)