312 lines
5.1 KiB
C
Executable file
312 lines
5.1 KiB
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Generate .byte code for some instructions not supported by old
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* binutils.
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*/
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#ifndef X86_ASM_INST_H
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#define X86_ASM_INST_H
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#ifdef __ASSEMBLY__
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#define REG_NUM_INVALID 100
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#define REG_TYPE_R32 0
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#define REG_TYPE_R64 1
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#define REG_TYPE_XMM 2
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#define REG_TYPE_INVALID 100
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.macro R32_NUM opd r32
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\opd = REG_NUM_INVALID
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.ifc \r32,%eax
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\opd = 0
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.endif
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.ifc \r32,%ecx
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\opd = 1
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.endif
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.ifc \r32,%edx
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\opd = 2
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.endif
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.ifc \r32,%ebx
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\opd = 3
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.endif
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.ifc \r32,%esp
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\opd = 4
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.endif
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.ifc \r32,%ebp
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\opd = 5
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.endif
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.ifc \r32,%esi
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\opd = 6
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.endif
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.ifc \r32,%edi
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\opd = 7
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.endif
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#ifdef CONFIG_X86_64
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.ifc \r32,%r8d
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\opd = 8
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.endif
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.ifc \r32,%r9d
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\opd = 9
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.endif
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.ifc \r32,%r10d
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\opd = 10
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.endif
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.ifc \r32,%r11d
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\opd = 11
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.endif
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.ifc \r32,%r12d
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\opd = 12
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.endif
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.ifc \r32,%r13d
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\opd = 13
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.endif
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.ifc \r32,%r14d
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\opd = 14
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.endif
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.ifc \r32,%r15d
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\opd = 15
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.endif
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#endif
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.endm
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.macro R64_NUM opd r64
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\opd = REG_NUM_INVALID
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#ifdef CONFIG_X86_64
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.ifc \r64,%rax
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\opd = 0
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.endif
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.ifc \r64,%rcx
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\opd = 1
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.endif
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.ifc \r64,%rdx
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\opd = 2
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.endif
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.ifc \r64,%rbx
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\opd = 3
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.endif
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.ifc \r64,%rsp
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\opd = 4
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.endif
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.ifc \r64,%rbp
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\opd = 5
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.endif
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.ifc \r64,%rsi
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\opd = 6
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.endif
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.ifc \r64,%rdi
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\opd = 7
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.endif
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.ifc \r64,%r8
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\opd = 8
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.endif
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.ifc \r64,%r9
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\opd = 9
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.endif
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.ifc \r64,%r10
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\opd = 10
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.endif
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.ifc \r64,%r11
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\opd = 11
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.endif
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.ifc \r64,%r12
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\opd = 12
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.endif
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.ifc \r64,%r13
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\opd = 13
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.endif
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.ifc \r64,%r14
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\opd = 14
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.endif
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.ifc \r64,%r15
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\opd = 15
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.endif
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#endif
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.endm
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.macro XMM_NUM opd xmm
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\opd = REG_NUM_INVALID
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.ifc \xmm,%xmm0
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\opd = 0
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.endif
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.ifc \xmm,%xmm1
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\opd = 1
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.endif
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.ifc \xmm,%xmm2
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\opd = 2
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.endif
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.ifc \xmm,%xmm3
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\opd = 3
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.endif
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.ifc \xmm,%xmm4
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\opd = 4
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.endif
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.ifc \xmm,%xmm5
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\opd = 5
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.endif
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.ifc \xmm,%xmm6
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\opd = 6
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.endif
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.ifc \xmm,%xmm7
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\opd = 7
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.endif
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.ifc \xmm,%xmm8
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\opd = 8
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.endif
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.ifc \xmm,%xmm9
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\opd = 9
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.endif
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.ifc \xmm,%xmm10
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\opd = 10
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.endif
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.ifc \xmm,%xmm11
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\opd = 11
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.endif
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.ifc \xmm,%xmm12
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\opd = 12
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.endif
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.ifc \xmm,%xmm13
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\opd = 13
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.endif
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.ifc \xmm,%xmm14
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\opd = 14
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.endif
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.ifc \xmm,%xmm15
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\opd = 15
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.endif
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.endm
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.macro REG_TYPE type reg
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R32_NUM reg_type_r32 \reg
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R64_NUM reg_type_r64 \reg
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XMM_NUM reg_type_xmm \reg
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.if reg_type_r64 <> REG_NUM_INVALID
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\type = REG_TYPE_R64
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.elseif reg_type_r32 <> REG_NUM_INVALID
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\type = REG_TYPE_R32
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.elseif reg_type_xmm <> REG_NUM_INVALID
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\type = REG_TYPE_XMM
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.else
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\type = REG_TYPE_INVALID
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.endif
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.endm
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.macro PFX_OPD_SIZE
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.byte 0x66
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.endm
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.macro PFX_REX opd1 opd2 W=0
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.if ((\opd1 | \opd2) & 8) || \W
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.byte 0x40 | ((\opd1 & 8) >> 3) | ((\opd2 & 8) >> 1) | (\W << 3)
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.endif
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.endm
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.macro MODRM mod opd1 opd2
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.byte \mod | (\opd1 & 7) | ((\opd2 & 7) << 3)
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.endm
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.macro PSHUFB_XMM xmm1 xmm2
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XMM_NUM pshufb_opd1 \xmm1
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XMM_NUM pshufb_opd2 \xmm2
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PFX_OPD_SIZE
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PFX_REX pshufb_opd1 pshufb_opd2
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.byte 0x0f, 0x38, 0x00
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MODRM 0xc0 pshufb_opd1 pshufb_opd2
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.endm
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.macro PCLMULQDQ imm8 xmm1 xmm2
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XMM_NUM clmul_opd1 \xmm1
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XMM_NUM clmul_opd2 \xmm2
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PFX_OPD_SIZE
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PFX_REX clmul_opd1 clmul_opd2
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.byte 0x0f, 0x3a, 0x44
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MODRM 0xc0 clmul_opd1 clmul_opd2
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.byte \imm8
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.endm
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.macro PEXTRD imm8 xmm gpr
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R32_NUM extrd_opd1 \gpr
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XMM_NUM extrd_opd2 \xmm
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PFX_OPD_SIZE
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PFX_REX extrd_opd1 extrd_opd2
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.byte 0x0f, 0x3a, 0x16
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MODRM 0xc0 extrd_opd1 extrd_opd2
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.byte \imm8
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.endm
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.macro AESKEYGENASSIST rcon xmm1 xmm2
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XMM_NUM aeskeygen_opd1 \xmm1
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XMM_NUM aeskeygen_opd2 \xmm2
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PFX_OPD_SIZE
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PFX_REX aeskeygen_opd1 aeskeygen_opd2
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.byte 0x0f, 0x3a, 0xdf
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MODRM 0xc0 aeskeygen_opd1 aeskeygen_opd2
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.byte \rcon
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.endm
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.macro AESIMC xmm1 xmm2
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XMM_NUM aesimc_opd1 \xmm1
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XMM_NUM aesimc_opd2 \xmm2
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PFX_OPD_SIZE
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PFX_REX aesimc_opd1 aesimc_opd2
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.byte 0x0f, 0x38, 0xdb
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MODRM 0xc0 aesimc_opd1 aesimc_opd2
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.endm
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.macro AESENC xmm1 xmm2
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XMM_NUM aesenc_opd1 \xmm1
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XMM_NUM aesenc_opd2 \xmm2
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PFX_OPD_SIZE
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PFX_REX aesenc_opd1 aesenc_opd2
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.byte 0x0f, 0x38, 0xdc
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MODRM 0xc0 aesenc_opd1 aesenc_opd2
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.endm
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.macro AESENCLAST xmm1 xmm2
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XMM_NUM aesenclast_opd1 \xmm1
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XMM_NUM aesenclast_opd2 \xmm2
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PFX_OPD_SIZE
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PFX_REX aesenclast_opd1 aesenclast_opd2
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.byte 0x0f, 0x38, 0xdd
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MODRM 0xc0 aesenclast_opd1 aesenclast_opd2
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.endm
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.macro AESDEC xmm1 xmm2
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XMM_NUM aesdec_opd1 \xmm1
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XMM_NUM aesdec_opd2 \xmm2
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PFX_OPD_SIZE
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PFX_REX aesdec_opd1 aesdec_opd2
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.byte 0x0f, 0x38, 0xde
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MODRM 0xc0 aesdec_opd1 aesdec_opd2
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.endm
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.macro AESDECLAST xmm1 xmm2
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XMM_NUM aesdeclast_opd1 \xmm1
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XMM_NUM aesdeclast_opd2 \xmm2
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PFX_OPD_SIZE
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PFX_REX aesdeclast_opd1 aesdeclast_opd2
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.byte 0x0f, 0x38, 0xdf
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MODRM 0xc0 aesdeclast_opd1 aesdeclast_opd2
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.endm
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.macro MOVQ_R64_XMM opd1 opd2
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REG_TYPE movq_r64_xmm_opd1_type \opd1
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.if movq_r64_xmm_opd1_type == REG_TYPE_XMM
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XMM_NUM movq_r64_xmm_opd1 \opd1
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R64_NUM movq_r64_xmm_opd2 \opd2
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.else
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R64_NUM movq_r64_xmm_opd1 \opd1
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XMM_NUM movq_r64_xmm_opd2 \opd2
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.endif
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PFX_OPD_SIZE
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PFX_REX movq_r64_xmm_opd1 movq_r64_xmm_opd2 1
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.if movq_r64_xmm_opd1_type == REG_TYPE_XMM
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.byte 0x0f, 0x7e
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.else
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.byte 0x0f, 0x6e
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.endif
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MODRM 0xc0 movq_r64_xmm_opd1 movq_r64_xmm_opd2
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.endm
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#endif
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#endif
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