diff options
| author | iximeow <me@iximeow.net> | 2023-02-11 12:27:01 -0800 |
|---|---|---|
| committer | iximeow <me@iximeow.net> | 2023-07-04 19:01:38 -0700 |
| commit | a5aa1cab2c050428839afcd4ed6057ec66a6c9cb (patch) | |
| tree | ec0d10055734319f9b32d2b3fb5ce6583932f6cb /src/long_mode/vex.rs | |
| parent | 1130f9f3270be56f2dd77361c34412a43e2b795e (diff) | |
wip
Diffstat (limited to 'src/long_mode/vex.rs')
| -rw-r--r-- | src/long_mode/vex.rs | 1821 |
1 files changed, 453 insertions, 1368 deletions
diff --git a/src/long_mode/vex.rs b/src/long_mode/vex.rs index 24ff2a8..89e253c 100644 --- a/src/long_mode/vex.rs +++ b/src/long_mode/vex.rs @@ -36,36 +36,29 @@ enum VEXOpcodePrefix { enum VEXOperandCode { Nothing, VPS_71, - VPS_71_L, VPS_72, - VPS_72_L, VPS_73, - VPS_73_L, VMOVSS_10, VMOVSD_10, VMOVSD_11, VMOVSS_11, VMOVLPS_12, VMOVHPS_16, - E_G_xmm, M_G_xmm, G_M_xmm, G_U_xmm, Gd_U_xmm, E_G_xmm_imm8, Ud_G_xmm_imm8, - Ud_G_xmm, - Ud_G_ymm, - E_G_ymm, + Ud_G_xyLmm, + M_G_xyLmm, M_G_ymm, G_E_ymm, G_M_ymm, Gd_U_ymm, E_xmm_G_ymm_imm8, Ev_G_xmm_imm8, - G_Ex_V_xmm, - G_Ey_V_xmm, - G_Ey_V_ymm, + G_ExyL_V_xyLmm, G_E_xmm, G_E_xmm_imm8, G_E_ymm_imm8, @@ -79,6 +72,11 @@ enum VEXOperandCode { M_V_G_ymm, G_V_xmm_Ed, G_V_xmm_Eq, + G_V_E_xyLmm, + G_E_xyLmm, + E_G_xyLmm, + G_E_xyLmm_imm8, + G_V_E_xyLmm_imm8, G_V_E_xmm, G_V_E_xmm_imm8, G_V_E_xmm_xmm4, @@ -146,7 +144,6 @@ pub(crate) fn three_byte_vex< 0b00010 => VEXOpcodeMap::Map0F38, 0b00011 => VEXOpcodeMap::Map0F3A, _ => { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } }; @@ -296,6 +293,7 @@ pub(crate) fn two_byte_vex< read_vex_instruction(VEXOpcodeMap::Map0F, words, instruction, p, sink) } +#[inline] fn read_vex_operands< T: Reader<<Arch as yaxpeax_arch::Arch>::Address, <Arch as yaxpeax_arch::Arch>::Word>, S: DescriptionSink<FieldDescription>, @@ -305,59 +303,35 @@ fn read_vex_operands< VEXOperandCode::VPS_71 => { let modrm = read_modrm(words)?; if modrm & 0xc0 != 0xc0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } - match (modrm >> 3) & 0b111 { - 0b010 => { - instruction.opcode = Opcode::VPSRLW; - } - 0b100 => { - instruction.opcode = Opcode::VPSRAW; - } - 0b110 => { - instruction.opcode = Opcode::VPSLLW; - } - _ => { - return Err(DecodeError::InvalidOpcode); - } - } - instruction.regs[0] = - RegSpec::from_parts(modrm & 7, instruction.prefixes.vex_unchecked().r(), RegisterBank::X); - instruction.regs[3].bank = RegisterBank::X; - instruction.operands[0] = OperandSpec::RegVex; - instruction.operands[1] = OperandSpec::RegRRR; - instruction.imm = read_imm_unsigned(words, 1)?; - instruction.operands[2] = OperandSpec::ImmI8; - instruction.operand_count = 3; - Ok(()) - } - VEXOperandCode::VPS_71_L => { - let modrm = read_modrm(words)?; - if modrm & 0xc0 != 0xc0 { - instruction.opcode = Opcode::Invalid; - return Err(DecodeError::InvalidOperand); + #[allow(non_snake_case)] + let L = instruction.prefixes.vex_unchecked().l(); + + let bank = if L { + RegisterBank::Y + } else { + RegisterBank::X + }; + + let rrr = (modrm >> 3) & 0b111; + + if rrr == 0b001 && L { + return Err(DecodeError::InvalidOpcode); } - match (modrm >> 3) & 0b111 { - 0b001 => { - instruction.opcode = Opcode::VPSLLW; - } - 0b010 => { - instruction.opcode = Opcode::VPSRLW; - } - 0b100 => { - instruction.opcode = Opcode::VPSRAW; - } - 0b110 => { - instruction.opcode = Opcode::VPSLLW; - } + + instruction.opcode = match rrr { + 0b001 => Opcode::VPSLLW, + 0b010 => Opcode::VPSRLW, + 0b100 => Opcode::VPSRAW, + 0b110 => Opcode::VPSLLW, _ => { return Err(DecodeError::InvalidOpcode); } - } + }; instruction.regs[0] = - RegSpec::from_parts(modrm & 7, instruction.prefixes.vex_unchecked().r(), RegisterBank::Y); - instruction.regs[3].bank = RegisterBank::Y; + RegSpec::from_parts(modrm & 7, instruction.prefixes.vex_unchecked().r(), bank); + instruction.regs[3].bank = bank; instruction.operands[0] = OperandSpec::RegVex; instruction.operands[1] = OperandSpec::RegRRR; instruction.imm = read_imm_unsigned(words, 1)?; @@ -368,39 +342,18 @@ fn read_vex_operands< VEXOperandCode::VPS_72 => { let modrm = read_modrm(words)?; if modrm & 0xc0 != 0xc0 { - instruction.opcode = Opcode::Invalid; - return Err(DecodeError::InvalidOperand); - } - match (modrm >> 3) & 0b111 { - 0b010 => { - instruction.opcode = Opcode::VPSRLD; - } - 0b100 => { - instruction.opcode = Opcode::VPSRAD; - } - 0b110 => { - instruction.opcode = Opcode::VPSLLD; - } - _ => { - return Err(DecodeError::InvalidOpcode); - } - } - instruction.regs[0] = - RegSpec::from_parts(modrm & 7, instruction.prefixes.vex_unchecked().r(), RegisterBank::X); - instruction.regs[3].bank = RegisterBank::X; - instruction.operands[0] = OperandSpec::RegVex; - instruction.operands[1] = OperandSpec::RegRRR; - instruction.imm = read_imm_unsigned(words, 1)?; - instruction.operands[2] = OperandSpec::ImmI8; - instruction.operand_count = 3; - Ok(()) - } - VEXOperandCode::VPS_72_L => { - let modrm = read_modrm(words)?; - if modrm & 0xc0 != 0xc0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } + + #[allow(non_snake_case)] + let L = instruction.prefixes.vex_unchecked().l(); + + let bank = if L { + RegisterBank::Y + } else { + RegisterBank::X + }; + match (modrm >> 3) & 0b111 { 0b010 => { instruction.opcode = Opcode::VPSRLD; @@ -416,8 +369,8 @@ fn read_vex_operands< } } instruction.regs[0] = - RegSpec::from_parts(modrm & 7, instruction.prefixes.vex_unchecked().r(), RegisterBank::Y); - instruction.regs[3].bank = RegisterBank::Y; + RegSpec::from_parts(modrm & 7, instruction.prefixes.vex_unchecked().r(), bank); + instruction.regs[3].bank = bank; instruction.operands[0] = OperandSpec::RegVex; instruction.operands[1] = OperandSpec::RegRRR; instruction.imm = read_imm_unsigned(words, 1)?; @@ -428,9 +381,18 @@ fn read_vex_operands< VEXOperandCode::VPS_73 => { let modrm = read_modrm(words)?; if modrm & 0xc0 != 0xc0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } + + #[allow(non_snake_case)] + let L = instruction.prefixes.vex_unchecked().l(); + + let bank = if L { + RegisterBank::Y + } else { + RegisterBank::X + }; + match (modrm >> 3) & 0b111 { 0b010 => { instruction.opcode = Opcode::VPSRLQ; @@ -449,47 +411,8 @@ fn read_vex_operands< } } instruction.regs[0] = - RegSpec::from_parts(modrm & 7, instruction.prefixes.vex_unchecked().r(), RegisterBank::X); - instruction.regs[3].bank = RegisterBank::X; - instruction.operands[0] = OperandSpec::RegVex; - instruction.operands[1] = OperandSpec::RegRRR; - instruction.imm = read_imm_unsigned(words, 1)?; - instruction.operands[2] = OperandSpec::ImmI8; - instruction.operand_count = 3; - Ok(()) - } - VEXOperandCode::VPS_73_L => { - let modrm = read_modrm(words)?; - if modrm & 0xc0 != 0xc0 { - instruction.opcode = Opcode::Invalid; - return Err(DecodeError::InvalidOperand); - } - match (modrm >> 3) & 0b111 { - 0b000 | - 0b001 | - 0b100 | - 0b101 => { - return Err(DecodeError::InvalidOpcode); - } - 0b010 => { - instruction.opcode = Opcode::VPSRLQ; - } - 0b011 => { - instruction.opcode = Opcode::VPSRLDQ; - } - 0b110 => { - instruction.opcode = Opcode::VPSLLQ; - } - 0b111 => { - instruction.opcode = Opcode::VPSLLDQ; - } - _ => { - unreachable!("r is only three bits"); - } - } - instruction.regs[0] = - RegSpec::from_parts(modrm & 7, instruction.prefixes.vex_unchecked().r(), RegisterBank::Y); - instruction.regs[3].bank = RegisterBank::Y; + RegSpec::from_parts(modrm & 7, instruction.prefixes.vex_unchecked().r(), bank); + instruction.regs[3].bank = bank; instruction.operands[0] = OperandSpec::RegVex; instruction.operands[1] = OperandSpec::RegRRR; instruction.imm = read_imm_unsigned(words, 1)?; @@ -512,7 +435,6 @@ fn read_vex_operands< }, other => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } if instruction.opcode == Opcode::VMOVSS { @@ -541,7 +463,6 @@ fn read_vex_operands< }, other => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } if instruction.opcode == Opcode::VMOVSS { @@ -591,7 +512,6 @@ fn read_vex_operands< VEXOperandCode::Nothing => { if instruction.opcode == Opcode::VZEROUPPER || instruction.opcode == Opcode::VZEROALL { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } } @@ -600,7 +520,6 @@ fn read_vex_operands< }, VEXOperandCode::Ev_G_xmm_imm8 => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -635,7 +554,6 @@ fn read_vex_operands< }, VEXOperandCode::G_xmm_Eq => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -652,7 +570,6 @@ fn read_vex_operands< } VEXOperandCode::G_xmm_Ed => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -669,7 +586,6 @@ fn read_vex_operands< } VEXOperandCode::Eq_G_xmm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -686,7 +602,6 @@ fn read_vex_operands< } VEXOperandCode::Ed_G_xmm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -703,7 +618,6 @@ fn read_vex_operands< } VEXOperandCode::VCVT_Gd_Ed_xmm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -722,7 +636,6 @@ fn read_vex_operands< } VEXOperandCode::VCVT_Gq_Eq_xmm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -743,27 +656,21 @@ fn read_vex_operands< instruction.operand_count = 2; Ok(()) } - op @ VEXOperandCode::E_G_xmm | - op @ VEXOperandCode::M_G_xmm => { + VEXOperandCode::M_G_xyLmm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } + // the name of this bit is `L` in the documentation, so use the same name here. + #[allow(non_snake_case)] + let L = instruction.prefixes.vex_unchecked().l(); + let bank = if L { RegisterBank::Y } else { RegisterBank::X }; + let modrm = read_modrm(words)?; instruction.regs[0] = - RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), RegisterBank::X); - let mem_oper = read_E_xmm(words, instruction, modrm, sink)?; - match (op, mem_oper) { - (VEXOperandCode::E_G_xmm, OperandSpec::RegMMM) => { - /* this is the only accepted operand */ - } - (VEXOperandCode::M_G_xmm, OperandSpec::RegMMM) => { - return Err(DecodeError::InvalidOperand); - } - (VEXOperandCode::M_G_xmm, _) | // otherwise it's memory-constrained and a memory operand - (_, _) => { // ... or unconstrained - /* and this is always accepted */ - } + RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), bank); + let mem_oper = read_E(words, instruction, modrm, bank, sink)?; + if mem_oper == OperandSpec::RegMMM { + return Err(DecodeError::InvalidOperand); } if mem_oper != OperandSpec::RegMMM { if instruction.opcode == Opcode::VMOVLPD || instruction.opcode == Opcode::VMOVHPD || instruction.opcode == Opcode::VMOVHPS { @@ -777,32 +684,42 @@ fn read_vex_operands< instruction.operand_count = 2; Ok(()) } - VEXOperandCode::Ud_G_xmm => { + VEXOperandCode::M_G_xmm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; instruction.regs[0] = - RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), RegisterBank::D); + RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), RegisterBank::X); let mem_oper = read_E_xmm(words, instruction, modrm, sink)?; - if mem_oper != OperandSpec::RegMMM { + if mem_oper == OperandSpec::RegMMM { return Err(DecodeError::InvalidOperand); } - instruction.operands[0] = OperandSpec::RegRRR; - instruction.operands[1] = mem_oper; + if mem_oper != OperandSpec::RegMMM { + if instruction.opcode == Opcode::VMOVLPD || instruction.opcode == Opcode::VMOVHPD || instruction.opcode == Opcode::VMOVHPS { + instruction.mem_size = 8; + } else { + instruction.mem_size = 16; + } + } + instruction.operands[0] = mem_oper; + instruction.operands[1] = OperandSpec::RegRRR; instruction.operand_count = 2; Ok(()) } - VEXOperandCode::Ud_G_ymm => { + VEXOperandCode::Ud_G_xyLmm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } + // the name of this bit is `L` in the documentation, so use the same name here. + #[allow(non_snake_case)] + let L = instruction.prefixes.vex_unchecked().l(); + let bank = if L { RegisterBank::Y } else { RegisterBank::X }; + let modrm = read_modrm(words)?; instruction.regs[0] = RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), RegisterBank::D); - let mem_oper = read_E_ymm(words, instruction, modrm, sink)?; + let mem_oper = read_E(words, instruction, modrm, bank, sink)?; if mem_oper != OperandSpec::RegMMM { return Err(DecodeError::InvalidOperand); } @@ -813,7 +730,6 @@ fn read_vex_operands< } VEXOperandCode::Ud_G_xmm_imm8 => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -832,7 +748,6 @@ fn read_vex_operands< } VEXOperandCode::E_G_xmm_imm8 => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -851,7 +766,6 @@ fn read_vex_operands< } VEXOperandCode::E_xmm_G_ymm_imm8 => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -871,7 +785,6 @@ fn read_vex_operands< VEXOperandCode::Gd_U_xmm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -888,7 +801,6 @@ fn read_vex_operands< } VEXOperandCode::Gd_U_ymm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -908,7 +820,6 @@ fn read_vex_operands< op @ VEXOperandCode::G_U_xmm | op @ VEXOperandCode::G_E_xmm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -944,7 +855,6 @@ fn read_vex_operands< } VEXOperandCode::G_xmm_E_xmm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -961,7 +871,6 @@ fn read_vex_operands< } VEXOperandCode::G_xmm_E_ymm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -979,7 +888,6 @@ fn read_vex_operands< op @ VEXOperandCode::G_ymm_M_xmm | op @ VEXOperandCode::G_ymm_E_xmm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -1007,7 +915,6 @@ fn read_vex_operands< } VEXOperandCode::G_ymm_E_ymm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -1023,10 +930,8 @@ fn read_vex_operands< Ok(()) } - op @ VEXOperandCode::E_G_ymm | op @ VEXOperandCode::M_G_ymm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -1054,7 +959,6 @@ fn read_vex_operands< op @ VEXOperandCode::G_M_ymm | op @ VEXOperandCode::G_E_ymm => { if instruction.regs[3].num != 0 { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOperand); } let modrm = read_modrm(words)?; @@ -1155,6 +1059,107 @@ fn read_vex_operands< instruction.operand_count = 3; Ok(()) } + VEXOperandCode::E_G_xyLmm => { + if instruction.regs[3].num != 0 { + return Err(DecodeError::InvalidOperand); + } + // the name of this bit is `L` in the documentation, so use the same name here. + #[allow(non_snake_case)] + let L = instruction.prefixes.vex_unchecked().l(); + let bank = if L { RegisterBank::Y } else { RegisterBank::X }; + + let modrm = read_modrm(words)?; + instruction.regs[0] = + RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), bank); + let mem_oper = read_E(words, instruction, modrm, bank, sink)?; + if mem_oper != OperandSpec::RegMMM { + if instruction.opcode == Opcode::VMOVLPD || instruction.opcode == Opcode::VMOVHPD || instruction.opcode == Opcode::VMOVHPS { + instruction.mem_size = 8; + } else { + instruction.mem_size = 16; + } + } + instruction.operands[0] = mem_oper; + instruction.operands[1] = OperandSpec::RegRRR; + + instruction.operand_count = 2; + Ok(()) + } + VEXOperandCode::G_V_E_xyLmm_imm8 => { + // the name of this bit is `L` in the documentation, so use the same name here. + #[allow(non_snake_case)] + let L = instruction.prefixes.vex_unchecked().l(); + let bank = if L { RegisterBank::Y } else { RegisterBank::X }; + + let modrm = read_modrm(words)?; + instruction.regs[0] = + RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), bank); + let mem_oper = read_E(words, instruction, modrm, bank, sink)?; + instruction.regs[3].bank = bank; + instruction.operands[0] = OperandSpec::RegRRR; + instruction.operands[1] = OperandSpec::RegVex; + instruction.operands[2] = mem_oper; + instruction.imm = read_imm_unsigned(words, 1)?; + instruction.operands[3] = OperandSpec::ImmU8; + if mem_oper != OperandSpec::RegMMM { + instruction.mem_size = 16; + } + instruction.operand_count = 4; + Ok(()) + } + VEXOperandCode::G_E_xyLmm => { + if instruction.regs[3].num != 0 { + return Err(DecodeError::InvalidOperand); + } + // the name of this bit is `L` in the documentation, so use the same name here. + #[allow(non_snake_case)] + let L = instruction.prefixes.vex_unchecked().l(); + let bank = if L { RegisterBank::Y } else { RegisterBank::X }; + + let modrm = read_modrm(words)?; + instruction.regs[0] = + RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), bank); + let mem_oper = read_E(words, instruction, modrm, bank, sink)?; + instruction.operands[0] = OperandSpec::RegRRR; + instruction.operands[1] = mem_oper; + if mem_oper != OperandSpec::RegMMM { + if [Opcode::VBROADCASTSS, Opcode::VUCOMISS, Opcode::VCOMISS].contains(&instruction.opcode) { + instruction.mem_size = 4; + } else if [Opcode::VMOVDDUP, Opcode::VUCOMISD, Opcode::VCOMISD, Opcode::VCVTPS2PD, Opcode::VMOVQ].contains(&instruction.opcode) { + instruction.mem_size = 8; + } else { + instruction.mem_size = 16; + }; + } + instruction.operand_count = 2; + Ok(()) + } + VEXOperandCode::G_V_E_xyLmm => { + let modrm = read_modrm(words)?; + // the name of this bit is `L` in the documentation, so use the same name here. + #[allow(non_snake_case)] + let L = instruction.prefixes.vex_unchecked().l(); + let bank = if L { RegisterBank::Y } else { RegisterBank::X }; + + instruction.regs[0] = + RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), bank); + let mem_oper = read_E(words, instruction, modrm, bank, sink)?; + instruction.regs[3].bank = bank; + instruction.operands[0] = OperandSpec::RegRRR; + instruction.operands[1] = OperandSpec::RegVex; + instruction.operands[2] = mem_oper; + if mem_oper != OperandSpec::RegMMM { + if [Opcode::VSQRTSS, Opcode::VADDSS, Opcode::VMULSS, Opcode::VSUBSS, Opcode::VMINSS, Opcode::VDIVSS, Opcode::VMAXSS].contains(&instruction.opcode) { + instruction.mem_size = 4; + } else if [Opcode::VSQRTSD, Opcode::VADDSD, Opcode::VMULSD, Opcode::VSUBSD, Opcode::VMINSD, Opcode::VDIVSD, Opcode::VMAXSD].contains(&instruction.opcode) { + instruction.mem_size = 8; + } else { + instruction.mem_size = 16; + } + } + instruction.operand_count = 3; + Ok(()) + } VEXOperandCode::G_V_E_xmm => { let modrm = read_modrm(words)?; instruction.regs[0] = @@ -1255,44 +1260,21 @@ fn read_vex_operands< Ok(()) } - VEXOperandCode::G_Ex_V_xmm => { - let modrm = read_modrm(words)?; - instruction.regs[0] = - RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), RegisterBank::X); - let mem_oper = read_E_xmm(words, instruction, modrm, sink)?; - instruction.regs[2].bank = RegisterBank::X; - instruction.operands[0] = OperandSpec::RegRRR; - instruction.operands[1] = mem_oper; - instruction.operands[2] = OperandSpec::RegVex; - if mem_oper != OperandSpec::RegMMM { - instruction.mem_size = 4; - } - instruction.operand_count = 3; - Ok(()) - } - VEXOperandCode::G_Ey_V_xmm => { - let modrm = read_modrm(words)?; - instruction.regs[0] = - RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), RegisterBank::X); - let mem_oper = read_E_ymm(words, instruction, modrm, sink)?; - instruction.regs[3].bank = RegisterBank::X; - instruction.regs[2].bank = RegisterBank::Y; - instruction.operands[0] = OperandSpec::RegRRR; - instruction.operands[1] = mem_oper; - instruction.operands[2] = OperandSpec::RegVex; - if mem_oper != OperandSpec::RegMMM { - instruction.mem_size = 4; - } - instruction.operand_count = 3; - Ok(()) - } - VEXOperandCode::G_Ey_V_ymm => { + VEXOperandCode::G_ExyL_V_xyLmm => { + #[allow(non_snake_case)] + let L = instruction.prefixes.vex_unchecked().l(); + + let bank = if L { + RegisterBank::Y + } else { + RegisterBank::X + }; + let modrm = read_modrm(words)?; instruction.regs[0] = - RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), RegisterBank::Y); - let mem_oper = read_E_ymm(words, instruction, modrm, sink)?; - instruction.regs[3].bank = RegisterBank::Y; - instruction.regs[2].bank = RegisterBank::Y; + RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), bank); + let mem_oper = read_E(words, instruction, modrm, bank, sink)?; + instruction.regs[2].bank = bank; instruction.operands[0] = OperandSpec::RegRRR; instruction.operands[1] = mem_oper; instruction.operands[2] = OperandSpec::RegVex; @@ -1379,7 +1361,6 @@ fn read_vex_operands< Opcode::BLSI } _ => { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } }; @@ -1410,7 +1391,6 @@ fn read_vex_operands< Opcode::VSTMXCSR } _ => { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } }; @@ -1425,10 +1405,44 @@ fn read_vex_operands< instruction.operand_count = 1; Ok(()) } + VEXOperandCode::G_E_xyLmm_imm8 => { + if instruction.regs[3].num != 0 { + return Err(DecodeError::InvalidOperand); + } + + #[allow(non_snake_case)] + let L = instruction.prefixes.vex_unchecked().l(); + + let bank = if L { + RegisterBank::Y + } else { + RegisterBank::X + }; + + let modrm = read_modrm(words)?; + instruction.regs[0] = + RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), bank); + let mem_oper = read_E(words, instruction, modrm, bank, sink)?; + instruction.operands[0] = OperandSpec::RegRRR; + instruction.operands[1] = mem_oper; + instruction.imm = read_imm_unsigned(words, 1)?; + instruction.operands[2] = OperandSpec::ImmU8; + if mem_oper != OperandSpec::RegMMM { + instruction.mem_size = 16; + } + instruction.operand_count = 3; + Ok(()) + } VEXOperandCode::G_E_xmm_imm8 => { if instruction.regs[3].num != 0 { return Err(DecodeError::InvalidOperand); } + + #[allow(non_snake_case)] + let L = instruction.prefixes.vex_unchecked().l(); + if L { + return Err(DecodeError::InvalidOperand); + } let modrm = read_modrm(words)?; instruction.regs[0] = RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.vex_unchecked().r(), RegisterBank::X); @@ -1548,6 +1562,7 @@ fn read_vex_operands< } } +#[inline] fn read_vex_instruction< T: Reader<<Arch as yaxpeax_arch::Arch>::Address, <Arch as yaxpeax_arch::Arch>::Word>, S: DescriptionSink<FieldDescription>, @@ -1568,52 +1583,32 @@ fn read_vex_instruction< match p { VEXOpcodePrefix::None => { match opc { - 0x10 => (Opcode::VMOVUPS, if L { VEXOperandCode::G_E_ymm } else { VEXOperandCode::G_E_xmm }), - 0x11 => (Opcode::VMOVUPS, if L { VEXOperandCode::E_G_ymm } else { VEXOperandCode::E_G_xmm }), + 0x10 => (Opcode::VMOVUPS, VEXOperandCode::G_E_xyLmm), + 0x11 => (Opcode::VMOVUPS, VEXOperandCode::E_G_xyLmm), 0x12 => (Opcode::Invalid, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::VMOVLPS_12 }), 0x13 => (Opcode::VMOVLPS, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::M_G_xmm }), - 0x14 => (Opcode::VUNPCKLPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x15 => (Opcode::VUNPCKHPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0x14 => (Opcode::VUNPCKLPS, VEXOperandCode::G_V_E_xyLmm), + 0x15 => (Opcode::VUNPCKHPS, VEXOperandCode::G_V_E_xyLmm), 0x16 => (Opcode::Invalid, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::VMOVHPS_16 }), 0x17 => (Opcode::VMOVHPS, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::M_G_xmm }), - 0x28 => (Opcode::VMOVAPS, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x29 => (Opcode::VMOVAPS, if L { - VEXOperandCode::E_G_ymm - } else { - VEXOperandCode::E_G_xmm - }), + 0x28 => (Opcode::VMOVAPS, VEXOperandCode::G_E_xyLmm), + 0x29 => (Opcode::VMOVAPS, VEXOperandCode::E_G_xyLmm), 0x2B => (Opcode::VMOVNTPS, if L { VEXOperandCode::M_G_ymm } else { @@ -1621,86 +1616,26 @@ fn read_vex_instruction< }), 0x2e => (Opcode::VUCOMISS, VEXOperandCode::G_E_xmm), 0x2f => (Opcode::VCOMISS, VEXOperandCode::G_E_xmm), - 0x50 => (Opcode::VMOVMSKPS, if L { - VEXOperandCode::Ud_G_ymm - } else { - VEXOperandCode::Ud_G_xmm - }), - 0x51 => (Opcode::VSQRTPS, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x52 => (Opcode::VRSQRTPS, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x53 => (Opcode::VRCPPS, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x54 => (Opcode::VANDPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x55 => (Opcode::VANDNPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x56 => (Opcode::VORPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x57 => (Opcode::VXORPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x58 => (Opcode::VADDPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x59 => (Opcode::VMULPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0x50 => (Opcode::VMOVMSKPS, VEXOperandCode::Ud_G_xyLmm), + 0x51 => (Opcode::VSQRTPS, VEXOperandCode::G_E_xyLmm), + 0x52 => (Opcode::VRSQRTPS, VEXOperandCode::G_E_xyLmm), + 0x53 => (Opcode::VRCPPS, VEXOperandCode::G_E_xyLmm), + 0x54 => (Opcode::VANDPS, VEXOperandCode::G_V_E_xyLmm), + 0x55 => (Opcode::VANDNPS, VEXOperandCode::G_V_E_xyLmm), + 0x56 => (Opcode::VORPS, VEXOperandCode::G_V_E_xyLmm), + 0x57 => (Opcode::VXORPS, VEXOperandCode::G_V_E_xyLmm), + 0x58 => (Opcode::VADDPS, VEXOperandCode::G_V_E_xyLmm), + 0x59 => (Opcode::VMULPS, VEXOperandCode::G_V_E_xyLmm), 0x5A => (Opcode::VCVTPS2PD, if L { VEXOperandCode::G_ymm_E_xmm } else { VEXOperandCode::G_E_xmm }), - 0x5B => (Opcode::VCVTDQ2PS, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x5C => (Opcode::VSUBPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x5D => (Opcode::VMINPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x5E => (Opcode::VDIVPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x5F => (Opcode::VMAXPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0x5B => (Opcode::VCVTDQ2PS, VEXOperandCode::G_E_xyLmm), + 0x5C => (Opcode::VSUBPS, VEXOperandCode::G_V_E_xyLmm), + 0x5D => (Opcode::VMINPS, VEXOperandCode::G_V_E_xyLmm), + 0x5E => (Opcode::VDIVPS, VEXOperandCode::G_V_E_xyLmm), + 0x5F => (Opcode::VMAXPS, VEXOperandCode::G_V_E_xyLmm), 0x77 => if L { (Opcode::VZEROALL, VEXOperandCode::Nothing) } else { @@ -1711,18 +1646,9 @@ fn read_vex_instruction< } else { VEXOperandCode::MXCSR }), - 0xC2 => (Opcode::VCMPPS, if L { - VEXOperandCode::G_V_E_ymm_imm8 - } else { - VEXOperandCode::G_V_E_xmm_imm8 - }), - 0xC6 => (Opcode::VSHUFPS, if L { - VEXOperandCode::G_V_E_ymm_imm8 - } else { - VEXOperandCode::G_V_E_xmm_imm8 - }), + 0xC2 => (Opcode::VCMPPS, VEXOperandCode::G_V_E_xyLmm_imm8), + 0xC6 => (Opcode::VSHUFPS, VEXOperandCode::G_V_E_xyLmm_imm8), _ => { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } } @@ -1731,64 +1657,33 @@ fn read_vex_instruction< match opc { // 0x0a => (Opcode::VROUNDSS, VEXOperandCode::G_V_E_xmm_imm8), // 0x0b => (Opcode::VROUNDSD, VEXOperandCode::G_V_E_xmm_imm8), - 0x10 => (Opcode::VMOVUPD, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x11 => (Opcode::VMOVUPD, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), + 0x10 => (Opcode::VMOVUPD, VEXOperandCode::G_E_xyLmm), + 0x11 => (Opcode::VMOVUPD, VEXOperandCode::G_E_xyLmm), 0x12 => (Opcode::VMOVLPD, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_V_M_xmm }), 0x13 => (Opcode::VMOVLPD, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::M_G_xmm }), - 0x14 => (Opcode::VUNPCKLPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x15 => (Opcode::VUNPCKHPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0x14 => (Opcode::VUNPCKLPD, VEXOperandCode::G_V_E_xyLmm), + 0x15 => (Opcode::VUNPCKHPD, VEXOperandCode::G_V_E_xyLmm), 0x16 => (Opcode::VMOVHPD, if L { return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_V_M_xmm }), 0x17 => (Opcode::VMOVHPD, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::M_G_xmm }), - 0x28 => (Opcode::VMOVAPD, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x29 => (Opcode::VMOVAPD, if L { - VEXOperandCode::E_G_ymm - } else { - VEXOperandCode::E_G_xmm - }), - 0x2B => (Opcode::VMOVNTPD, if L { - VEXOperandCode::M_G_ymm - } else { - VEXOperandCode::M_G_xmm - }), + 0x28 => (Opcode::VMOVAPD, VEXOperandCode::G_E_xyLmm), + 0x29 => (Opcode::VMOVAPD, VEXOperandCode::E_G_xyLmm), + 0x2B => (Opcode::VMOVNTPD, VEXOperandCode::M_G_xyLmm), 0x2e => (Opcode::VUCOMISD, VEXOperandCode::G_E_xmm), 0x2f => (Opcode::VCOMISD, VEXOperandCode::G_E_xmm), 0x50 => (Opcode::VMOVMSKPD, if L { @@ -1796,253 +1691,87 @@ fn read_vex_instruction< } else { VEXOperandCode::Gd_U_xmm }), - 0x51 => (Opcode::VSQRTPD, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x54 => (Opcode::VANDPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x55 => (Opcode::VANDNPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x56 => (Opcode::VORPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x57 => (Opcode::VXORPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x58 => (Opcode::VADDPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x59 => (Opcode::VMULPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0x51 => (Opcode::VSQRTPD, VEXOperandCode::G_E_xyLmm), + 0x54 => (Opcode::VANDPD, VEXOperandCode::G_V_E_xyLmm), + 0x55 => (Opcode::VANDNPD, VEXOperandCode::G_V_E_xyLmm), + 0x56 => (Opcode::VORPD, VEXOperandCode::G_V_E_xyLmm), + 0x57 => (Opcode::VXORPD, VEXOperandCode::G_V_E_xyLmm), + 0x58 => (Opcode::VADDPD, VEXOperandCode::G_V_E_xyLmm), + 0x59 => (Opcode::VMULPD, VEXOperandCode::G_V_E_xyLmm), 0x5A => (Opcode::VCVTPD2PS, if L { VEXOperandCode::G_xmm_E_ymm } else { VEXOperandCode::G_xmm_E_xmm }), - 0x5B => (Opcode::VCVTPS2DQ, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x5C => (Opcode::VSUBPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x5D => (Opcode::VMINPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x5E => (Opcode::VDIVPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x5F => (Opcode::VMAXPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x60 => (Opcode::VPUNPCKLBW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x61 => (Opcode::VPUNPCKLWD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x62 => (Opcode::VPUNPCKLDQ, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x63 => (Opcode::VPACKSSWB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x64 => (Opcode::VPCMPGTB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x65 => (Opcode::VPCMPGTW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x66 => (Opcode::VPCMPGTD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x67 => (Opcode::VPACKUSWB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x68 => (Opcode::VPUNPCKHBW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x69 => (Opcode::VPUNPCKHWD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x6A => (Opcode::VPUNPCKHDQ, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x6B => (Opcode::VPACKSSDW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x6C => (Opcode::VPUNPCKLQDQ, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x6D => (Opcode::VPUNPCKHQDQ, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0x5B => (Opcode::VCVTPS2DQ, VEXOperandCode::G_E_xyLmm), + 0x5C => (Opcode::VSUBPD, VEXOperandCode::G_V_E_xyLmm), + 0x5D => (Opcode::VMINPD, VEXOperandCode::G_V_E_xyLmm), + 0x5E => (Opcode::VDIVPD, VEXOperandCode::G_V_E_xyLmm), + 0x5F => (Opcode::VMAXPD, VEXOperandCode::G_V_E_xyLmm), + 0x60 => (Opcode::VPUNPCKLBW, VEXOperandCode::G_V_E_xyLmm), + 0x61 => (Opcode::VPUNPCKLWD, VEXOperandCode::G_V_E_xyLmm), + 0x62 => (Opcode::VPUNPCKLDQ, VEXOperandCode::G_V_E_xyLmm), + 0x63 => (Opcode::VPACKSSWB, VEXOperandCode::G_V_E_xyLmm), + 0x64 => (Opcode::VPCMPGTB, VEXOperandCode::G_V_E_xyLmm), + 0x65 => (Opcode::VPCMPGTW, VEXOperandCode::G_V_E_xyLmm), + 0x66 => (Opcode::VPCMPGTD, VEXOperandCode::G_V_E_xyLmm), + 0x67 => (Opcode::VPACKUSWB, VEXOperandCode::G_V_E_xyLmm), + 0x68 => (Opcode::VPUNPCKHBW, VEXOperandCode::G_V_E_xyLmm), + 0x69 => (Opcode::VPUNPCKHWD, VEXOperandCode::G_V_E_xyLmm), + 0x6A => (Opcode::VPUNPCKHDQ, VEXOperandCode::G_V_E_xyLmm), + 0x6B => (Opcode::VPACKSSDW, VEXOperandCode::G_V_E_xyLmm), + 0x6C => (Opcode::VPUNPCKLQDQ, VEXOperandCode::G_V_E_xyLmm), + 0x6D => (Opcode::VPUNPCKHQDQ, VEXOperandCode::G_V_E_xyLmm), 0x6E => if instruction.prefixes.vex_unchecked().w() { (Opcode::VMOVQ, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_xmm_Eq }) } else { (Opcode::VMOVD, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_xmm_Ed }) }, - 0x6F => (Opcode::VMOVDQA, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x70 => (Opcode::VPSHUFD, if L { - VEXOperandCode::G_E_ymm_imm8 - } else { - VEXOperandCode::G_E_xmm_imm8 - }), - 0x71 => (Opcode::Invalid, if L { - VEXOperandCode::VPS_71_L - } else { - VEXOperandCode::VPS_71 - }), - 0x72 => (Opcode::Invalid, if L { - VEXOperandCode::VPS_72_L - } else { - VEXOperandCode::VPS_72 - }), - 0x73 => (Opcode::Invalid, if L { - VEXOperandCode::VPS_73_L - } else { - VEXOperandCode::VPS_73 - }), - 0x74 => (Opcode::VPCMPEQB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x75 => (Opcode::VPCMPEQW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x76 => (Opcode::VPCMPEQD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x7C => (Opcode::VHADDPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x7D => (Opcode::VHSUBPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0x6F => (Opcode::VMOVDQA, VEXOperandCode::G_E_xyLmm), + 0x70 => (Opcode::VPSHUFD, VEXOperandCode::G_E_xyLmm_imm8), + 0x71 => (Opcode::Invalid, VEXOperandCode::VPS_71), + 0x72 => (Opcode::Invalid, VEXOperandCode::VPS_72), + 0x73 => (Opcode::Invalid, VEXOperandCode::VPS_73), + 0x74 => (Opcode::VPCMPEQB, VEXOperandCode::G_V_E_xyLmm), + 0x75 => (Opcode::VPCMPEQW, VEXOperandCode::G_V_E_xyLmm), + 0x76 => (Opcode::VPCMPEQD, VEXOperandCode::G_V_E_xyLmm), + 0x7C => (Opcode::VHADDPD, VEXOperandCode::G_V_E_xyLmm), + 0x7D => (Opcode::VHSUBPD, VEXOperandCode::G_V_E_xyLmm), 0x7E => if instruction.prefixes.vex_unchecked().w() { (Opcode::VMOVQ, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::Eq_G_xmm }) } else { (Opcode::VMOVD, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::Ed_G_xmm }) } - 0x7F => (Opcode::VMOVDQA, if L { - VEXOperandCode::E_G_ymm - } else { - VEXOperandCode::E_G_xmm - }), - 0xC2 => (Opcode::VCMPPD, if L { - VEXOperandCode::G_V_E_ymm_imm8 - } else { - VEXOperandCode::G_V_E_xmm_imm8 - }), + 0x7F => (Opcode::VMOVDQA, VEXOperandCode::E_G_xyLmm), + 0xC2 => (Opcode::VCMPPD, VEXOperandCode::G_V_E_xyLmm_imm8), 0xC4 => (Opcode::VPINSRW, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_V_xmm_Ev_imm8 }), 0xC5 => (Opcode::VPEXTRW, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::Ud_G_xmm_imm8 }), - 0xC6 => (Opcode::VSHUFPD, if L { - VEXOperandCode::G_V_E_ymm_imm8 - } else { - VEXOperandCode::G_V_E_xmm_imm8 - }), - 0xD0 => (Opcode::VADDSUBPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0xC6 => (Opcode::VSHUFPD, VEXOperandCode::G_V_E_xyLmm_imm8), + 0xD0 => (Opcode::VADDSUBPD, VEXOperandCode::G_V_E_xyLmm), 0xD1 => (Opcode::VPSRLW, if L { VEXOperandCode::G_V_ymm_E_xmm } else { @@ -2058,72 +1787,23 @@ fn read_vex_instruction< } else { VEXOperandCode::G_V_E_xmm }), - 0xD4 => (Opcode::VPADDQ, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xD5 => (Opcode::VPMULLW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0xD4 => (Opcode::VPADDQ, VEXOperandCode::G_V_E_xyLmm), + 0xD5 => (Opcode::VPMULLW, VEXOperandCode::G_V_E_xyLmm), 0xD6 => (Opcode::VMOVQ, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_E_xmm }), - 0xD7 => (Opcode::VPMOVMSKB, if L { - VEXOperandCode::Ud_G_ymm - } else { - VEXOperandCode::Ud_G_xmm - }), - 0xD8 => (Opcode::VPSUBUSB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xD9 => (Opcode::VPSUBUSW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xDA => (Opcode::VPMINUB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xDB => (Opcode::VPAND, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xDC => (Opcode::VPADDUSB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xDD => (Opcode::VPADDUSW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xDE => (Opcode::VPMAXUB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xDF => (Opcode::VPANDN, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xE0 => (Opcode::VPAVGB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0xD7 => (Opcode::VPMOVMSKB, VEXOperandCode::Ud_G_xyLmm), + 0xD8 => (Opcode::VPSUBUSB, VEXOperandCode::G_V_E_xyLmm), + 0xD9 => (Opcode::VPSUBUSW, VEXOperandCode::G_V_E_xyLmm), + 0xDA => (Opcode::VPMINUB, VEXOperandCode::G_V_E_xyLmm), + 0xDB => (Opcode::VPAND, VEXOperandCode::G_V_E_xyLmm), + 0xDC => (Opcode::VPADDUSB, VEXOperandCode::G_V_E_xyLmm), + 0xDD => (Opcode::VPADDUSW, VEXOperandCode::G_V_E_xyLmm), + 0xDE => (Opcode::VPMAXUB, VEXOperandCode::G_V_E_xyLmm), + 0xDF => (Opcode::VPANDN, VEXOperandCode::G_V_E_xyLmm), + 0xE0 => (Opcode::VPAVGB, VEXOperandCode::G_V_E_xyLmm), 0xE1 => (Opcode::VPSRAW, if L { VEXOperandCode::G_V_ymm_E_xmm } else { @@ -2134,71 +1814,23 @@ fn read_vex_instruction< } else { VEXOperandCode::G_V_E_xmm }), - 0xE3 => (Opcode::VPAVGW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xE4 => (Opcode::VPMULHUW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xE5 => (Opcode::VPMULHW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0xE3 => (Opcode::VPAVGW, VEXOperandCode::G_V_E_xyLmm), + 0xE4 => (Opcode::VPMULHUW, VEXOperandCode::G_V_E_xyLmm), + 0xE5 => (Opcode::VPMULHW, VEXOperandCode::G_V_E_xyLmm), 0xE6 => (Opcode::VCVTTPD2DQ, if L { VEXOperandCode::G_xmm_E_ymm } else { VEXOperandCode::G_E_xmm }), - 0xE7 => (Opcode::VMOVNTDQ, if L { - VEXOperandCode::M_G_ymm - } else { - VEXOperandCode::M_G_xmm - }), - 0xE8 => (Opcode::VPSUBSB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xE9 => (Opcode::VPSUBSW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xEA => (Opcode::VPMINSW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xEB => (Opcode::VPOR, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xEC => (Opcode::VPADDSB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xED => (Opcode::VPADDSW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xEE => (Opcode::VPMAXSW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xEF => (Opcode::VPXOR, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0xE7 => (Opcode::VMOVNTDQ, VEXOperandCode::M_G_xyLmm), + 0xE8 => (Opcode::VPSUBSB, VEXOperandCode::G_V_E_xyLmm), + 0xE9 => (Opcode::VPSUBSW, VEXOperandCode::G_V_E_xyLmm), + 0xEA => (Opcode::VPMINSW, VEXOperandCode::G_V_E_xyLmm), + 0xEB => (Opcode::VPOR, VEXOperandCode::G_V_E_xyLmm), + 0xEC => (Opcode::VPADDSB, VEXOperandCode::G_V_E_xyLmm), + 0xED => (Opcode::VPADDSW, VEXOperandCode::G_V_E_xyLmm), + 0xEE => (Opcode::VPMAXSW, VEXOperandCode::G_V_E_xyLmm), + 0xEF => (Opcode::VPXOR, VEXOperandCode::G_V_E_xyLmm), 0xF1 => (Opcode::VPSLLW, if L { VEXOperandCode::G_V_ymm_E_xmm } else { @@ -2214,64 +1846,22 @@ fn read_vex_instruction< } else { VEXOperandCode::G_V_E_xmm }), - 0xF4 => (Opcode::VPMULUDQ, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xF5 => (Opcode::VPMADDWD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xF6 => (Opcode::VPSADBW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0xF4 => (Opcode::VPMULUDQ, VEXOperandCode::G_V_E_xyLmm), + 0xF5 => (Opcode::VPMADDWD, VEXOperandCode::G_V_E_xyLmm), + 0xF6 => (Opcode::VPSADBW, VEXOperandCode::G_V_E_xyLmm), 0xF7 => (Opcode::VMASKMOVDQU, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_U_xmm }), - 0xF8 => (Opcode::VPSUBB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xF9 => (Opcode::VPSUBW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xFA => (Opcode::VPSUBD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xFB => (Opcode::VPSUBQ, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xFC => (Opcode::VPADDB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xFD => (Opcode::VPADDW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xFE => (Opcode::VPADDD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0xF8 => (Opcode::VPSUBB, VEXOperandCode::G_V_E_xyLmm), + 0xF9 => (Opcode::VPSUBW, VEXOperandCode::G_V_E_xyLmm), + 0xFA => (Opcode::VPSUBD, VEXOperandCode::G_V_E_xyLmm), + 0xFB => (Opcode::VPSUBQ, VEXOperandCode::G_V_E_xyLmm), + 0xFC => (Opcode::VPADDB, VEXOperandCode::G_V_E_xyLmm), + 0xFD => (Opcode::VPADDW, VEXOperandCode::G_V_E_xyLmm), + 0xFE => (Opcode::VPADDD, VEXOperandCode::G_V_E_xyLmm), _ => { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } } @@ -2280,11 +1870,7 @@ fn read_vex_instruction< match opc { 0x10 => (Opcode::VMOVSD, VEXOperandCode::VMOVSD_10), 0x11 => (Opcode::VMOVSD, VEXOperandCode::VMOVSD_11), - 0x12 => (Opcode::VMOVDDUP, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), + 0x12 => (Opcode::VMOVDDUP, VEXOperandCode::G_E_xyLmm), 0x2a => (Opcode::VCVTSI2SD, if instruction.prefixes.vex_unchecked().w() { VEXOperandCode::G_V_xmm_Eq // 64-bit last operand } else { @@ -2308,27 +1894,11 @@ fn read_vex_instruction< 0x5d => (Opcode::VMINSD, VEXOperandCode::G_V_E_xmm), 0x5e => (Opcode::VDIVSD, VEXOperandCode::G_V_E_xmm), 0x5f => (Opcode::VMAXSD, VEXOperandCode::G_V_E_xmm), - 0x70 => (Opcode::VPSHUFLW, if L { - VEXOperandCode::G_E_ymm_imm8 - } else { - VEXOperandCode::G_E_xmm_imm8 - }), - 0x7c => (Opcode::VHADDPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x7d => (Opcode::VHSUBPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0x70 => (Opcode::VPSHUFLW, VEXOperandCode::G_E_xyLmm_imm8), + 0x7c => (Opcode::VHADDPS, VEXOperandCode::G_V_E_xyLmm), + 0x7d => (Opcode::VHSUBPS, VEXOperandCode::G_V_E_xyLmm), 0xc2 => (Opcode::VCMPSD, VEXOperandCode::G_V_E_xmm_imm8), - 0xd0 => (Opcode::VADDSUBPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0xd0 => (Opcode::VADDSUBPS, VEXOperandCode::G_V_E_xyLmm), 0xe6 => (Opcode::VCVTPD2DQ, if L { VEXOperandCode::G_xmm_E_ymm } else { @@ -2340,7 +1910,6 @@ fn read_vex_instruction< VEXOperandCode::G_M_xmm }), _ => { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } } @@ -2378,17 +1947,12 @@ fn read_vex_instruction< 0x5e => (Opcode::VDIVSS, VEXOperandCode::G_V_E_xmm), 0x5f => (Opcode::VMAXSS, VEXOperandCode::G_V_E_xmm), 0x6f => (Opcode::VMOVDQU, if L { VEXOperandCode::G_E_ymm } else { VEXOperandCode::G_E_xmm }), - 0x70 => (Opcode::VPSHUFHW, if L { - VEXOperandCode::G_E_ymm_imm8 - } else { - VEXOperandCode::G_E_xmm_imm8 - }), - 0x7e => (Opcode::VMOVQ, if L { instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_E_xmm }), - 0x7f => (Opcode::VMOVDQU, if L { VEXOperandCode::E_G_ymm } else { VEXOperandCode::E_G_xmm }), + 0x70 => (Opcode::VPSHUFHW, VEXOperandCode::G_E_xyLmm_imm8), + 0x7e => (Opcode::VMOVQ, if L { return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_E_xmm }), + 0x7f => (Opcode::VMOVDQU, VEXOperandCode::E_G_xyLmm), 0xc2 => (Opcode::VCMPSS, VEXOperandCode::G_V_E_xmm_imm8), 0xe6 => (Opcode::VCVTDQ2PD, if L { VEXOperandCode::G_ymm_E_xmm } else { VEXOperandCode::G_xmm_E_xmm }), _ => { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } } @@ -2400,107 +1964,33 @@ fn read_vex_instruction< if let VEXOpcodePrefix::Prefix66 = p { // possibly valid! match opc { - 0x00 => (Opcode::VPSHUFB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x01 => (Opcode::VPHADDW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x02 => (Opcode::VPHADDD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x03 => (Opcode::VPHADDSW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x04 => (Opcode::VPMADDUBSW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x05 => (Opcode::VPHSUBW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x06 => (Opcode::VPHSUBD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x07 => (Opcode::VPHSUBSW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x08 => (Opcode::VPSIGNB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x09 => (Opcode::VPSIGNW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x0A => (Opcode::VPSIGND, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x0B => (Opcode::VPMULHRSW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x0C => (Opcode::VPERMILPS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x0D => (Opcode::VPERMILPD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x0E => (Opcode::VTESTPS, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x0F => (Opcode::VTESTPD, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x13 => (Opcode::VCVTPH2PS, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), + 0x00 => (Opcode::VPSHUFB, VEXOperandCode::G_V_E_xyLmm), + 0x01 => (Opcode::VPHADDW, VEXOperandCode::G_V_E_xyLmm), + 0x02 => (Opcode::VPHADDD, VEXOperandCode::G_V_E_xyLmm), + 0x03 => (Opcode::VPHADDSW, VEXOperandCode::G_V_E_xyLmm), + 0x04 => (Opcode::VPMADDUBSW, VEXOperandCode::G_V_E_xyLmm), + 0x05 => (Opcode::VPHSUBW, VEXOperandCode::G_V_E_xyLmm), + 0x06 => (Opcode::VPHSUBD, VEXOperandCode::G_V_E_xyLmm), + 0x07 => (Opcode::VPHSUBSW, VEXOperandCode::G_V_E_xyLmm), + 0x08 => (Opcode::VPSIGNB, VEXOperandCode::G_V_E_xyLmm), + 0x09 => (Opcode::VPSIGNW, VEXOperandCode::G_V_E_xyLmm), + 0x0A => (Opcode::VPSIGND, VEXOperandCode::G_V_E_xyLmm), + 0x0B => (Opcode::VPMULHRSW, VEXOperandCode::G_V_E_xyLmm), + 0x0C => (Opcode::VPERMILPS, VEXOperandCode::G_V_E_xyLmm), + 0x0D => (Opcode::VPERMILPD, VEXOperandCode::G_V_E_xyLmm), + 0x0E => (Opcode::VTESTPS, VEXOperandCode::G_E_xyLmm), + 0x0F => (Opcode::VTESTPD, VEXOperandCode::G_E_xyLmm), + 0x13 => (Opcode::VCVTPH2PS, VEXOperandCode::G_E_xyLmm), 0x16 => (Opcode::VPERMPS, if L { if instruction.prefixes.vex_unchecked().w() { return Err(DecodeError::InvalidOpcode); } VEXOperandCode::G_V_E_ymm } else { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); }), - 0x17 => (Opcode::VPTEST, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), + 0x17 => (Opcode::VPTEST, VEXOperandCode::G_E_xyLmm), 0x18 => if instruction.prefixes.vex_unchecked().w() { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { (Opcode::VBROADCASTSS, if L { @@ -2510,7 +2000,6 @@ fn read_vex_instruction< }) }, 0x19 => if instruction.prefixes.vex_unchecked().w() { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { (Opcode::VBROADCASTSD, if L { @@ -2522,24 +2011,11 @@ fn read_vex_instruction< 0x1A => (Opcode::VBROADCASTF128, if L { VEXOperandCode::G_ymm_M_xmm } else { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); }), - 0x1C => (Opcode::VPABSB, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x1D => (Opcode::VPABSW, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x1E => (Opcode::VPABSD, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), + 0x1C => (Opcode::VPABSB, VEXOperandCode::G_E_xyLmm), + 0x1D => (Opcode::VPABSW, VEXOperandCode::G_E_xyLmm), + 0x1E => (Opcode::VPABSD, VEXOperandCode::G_E_xyLmm), 0x20 => (Opcode::VPMOVSXBW, if L { VEXOperandCode::G_ymm_E_xmm } else { @@ -2570,26 +2046,14 @@ fn read_vex_instruction< } else { VEXOperandCode::G_E_xmm }), - 0x28 => (Opcode::VPMULDQ, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x29 => (Opcode::VPCMPEQQ, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0x28 => (Opcode::VPMULDQ, VEXOperandCode::G_V_E_xyLmm), + 0x29 => (Opcode::VPCMPEQQ, VEXOperandCode::G_V_E_xyLmm), 0x2A => (Opcode::VMOVNTDQA, if L { VEXOperandCode::G_M_ymm } else { VEXOperandCode::G_M_xmm }), - 0x2B => (Opcode::VPACKUSDW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0x2B => (Opcode::VPACKUSDW, VEXOperandCode::G_V_E_xyLmm), 0x2C => (Opcode::VMASKMOVPS, if L { VEXOperandCode::G_V_M_ymm } else { @@ -2643,77 +2107,27 @@ fn read_vex_instruction< 0x36 => (Opcode::VPERMD, if L { VEXOperandCode::G_V_E_ymm } else { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); }), - 0x37 => (Opcode::VPCMPGTQ, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x38 => (Opcode::VPMINSB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x39 => (Opcode::VPMINSD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x3A => (Opcode::VPMINUW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x3B => (Opcode::VPMINUD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x3C => (Opcode::VPMAXSB, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x3D => (Opcode::VPMAXSD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x3E => (Opcode::VPMAXUW, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x3F => (Opcode::VPMAXUD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0x40 => (Opcode::VPMULLD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0x37 => (Opcode::VPCMPGTQ, VEXOperandCode::G_V_E_xyLmm), + 0x38 => (Opcode::VPMINSB, VEXOperandCode::G_V_E_xyLmm), + 0x39 => (Opcode::VPMINSD, VEXOperandCode::G_V_E_xyLmm), + 0x3A => (Opcode::VPMINUW, VEXOperandCode::G_V_E_xyLmm), + 0x3B => (Opcode::VPMINUD, VEXOperandCode::G_V_E_xyLmm), + 0x3C => (Opcode::VPMAXSB, VEXOperandCode::G_V_E_xyLmm), + 0x3D => (Opcode::VPMAXSD, VEXOperandCode::G_V_E_xyLmm), + 0x3E => (Opcode::VPMAXUW, VEXOperandCode::G_V_E_xyLmm), + 0x3F => (Opcode::VPMAXUD, VEXOperandCode::G_V_E_xyLmm), + 0x40 => (Opcode::VPMULLD, VEXOperandCode::G_V_E_xyLmm), 0x41 => (Opcode::VPHMINPOSUW, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_E_xmm }), 0x45 => if instruction.prefixes.vex_unchecked().w() { - (Opcode::VPSRLVQ, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }) + (Opcode::VPSRLVQ, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VPSRLVD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }) + (Opcode::VPSRLVD, VEXOperandCode::G_V_E_xyLmm) }, 0x46 => (Opcode::VPSRAVD, if L { if instruction.prefixes.vex_unchecked().w() { @@ -2727,35 +2141,18 @@ fn read_vex_instruction< VEXOperandCode::G_V_E_xmm }), 0x47 => if instruction.prefixes.vex_unchecked().w() { - (Opcode::VPSLLVQ, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }) + (Opcode::VPSLLVQ, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VPSLLVD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }) + (Opcode::VPSLLVD, VEXOperandCode::G_V_E_xyLmm) }, - 0x58 => (Opcode::VPBROADCASTD, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), - 0x59 => (Opcode::VPBROADCASTQ, if L { - VEXOperandCode::G_E_ymm - } else { - VEXOperandCode::G_E_xmm - }), + 0x58 => (Opcode::VPBROADCASTD, VEXOperandCode::G_E_xyLmm), + 0x59 => (Opcode::VPBROADCASTQ, VEXOperandCode::G_E_xyLmm), 0x5A => (Opcode::VBROADCASTI128, if L { if instruction.prefixes.vex_unchecked().w() { return Err(DecodeError::InvalidOpcode); } VEXOperandCode::G_ymm_M_xmm } else { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); }), 0x78 => (Opcode::VPBROADCASTB, if L { @@ -2800,107 +2197,51 @@ fn read_vex_instruction< }, 0x90 => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VPGATHERDQ, if L { - VEXOperandCode::G_Ey_V_ymm - } else { - VEXOperandCode::G_Ex_V_xmm - }) + (Opcode::VPGATHERDQ, VEXOperandCode::G_ExyL_V_xyLmm) } else { - (Opcode::VPGATHERDD, if L { - VEXOperandCode::G_Ey_V_ymm - } else { - VEXOperandCode::G_Ex_V_xmm - }) + (Opcode::VPGATHERDD, VEXOperandCode::G_ExyL_V_xyLmm) } }, 0x91 => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VPGATHERQQ, if L { - VEXOperandCode::G_Ey_V_ymm - } else { - VEXOperandCode::G_Ex_V_xmm - }) + (Opcode::VPGATHERQQ, VEXOperandCode::G_ExyL_V_xyLmm) } else { - (Opcode::VPGATHERQD, if L { - VEXOperandCode::G_Ey_V_xmm - } else { - VEXOperandCode::G_Ex_V_xmm - }) + (Opcode::VPGATHERQD, VEXOperandCode::G_ExyL_V_xyLmm) } }, 0x92 => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VGATHERDPD, if L { - VEXOperandCode::G_Ey_V_ymm - } else { - VEXOperandCode::G_Ex_V_xmm - }) + (Opcode::VGATHERDPD, VEXOperandCode::G_ExyL_V_xyLmm) } else { - (Opcode::VGATHERDPS, if L { - VEXOperandCode::G_Ey_V_ymm - } else { - VEXOperandCode::G_Ex_V_xmm - }) + (Opcode::VGATHERDPS, VEXOperandCode::G_ExyL_V_xyLmm) } }, 0x93 => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VGATHERQPD, if L { - VEXOperandCode::G_Ey_V_ymm - } else { - VEXOperandCode::G_Ex_V_xmm - }) + (Opcode::VGATHERQPD, VEXOperandCode::G_ExyL_V_xyLmm) } else { - (Opcode::VGATHERQPS, if L { - VEXOperandCode::G_Ey_V_ymm - } else { - VEXOperandCode::G_Ex_V_xmm - }) + (Opcode::VGATHERQPS, VEXOperandCode::G_ExyL_V_xyLmm) } }, 0x96 => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFMADDSUB132PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMADDSUB132PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFMADDSUB132PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMADDSUB132PS, VEXOperandCode::G_V_E_xyLmm) } }, 0x97 => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFMSUBADD132PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMSUBADD132PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFMSUBADD132PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMSUBADD132PS, VEXOperandCode::G_V_E_xyLmm) } }, 0x98 => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFMADD132PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMADD132PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFMADD132PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMADD132PS, VEXOperandCode::G_V_E_xyLmm) } }, 0x99 => if instruction.prefixes.vex_unchecked().w() { @@ -2910,17 +2251,9 @@ fn read_vex_instruction< }, 0x9A => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFMSUB132PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMSUB132PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFMSUB132PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMSUB132PS, VEXOperandCode::G_V_E_xyLmm) } }, 0x9B => if instruction.prefixes.vex_unchecked().w() { @@ -2930,17 +2263,9 @@ fn read_vex_instruction< }, 0x9C => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFNMADD132PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFNMADD132PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFNMADD132PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFNMADD132PS, VEXOperandCode::G_V_E_xyLmm) } }, 0x9D => if instruction.prefixes.vex_unchecked().w() { @@ -2950,17 +2275,9 @@ fn read_vex_instruction< }, 0x9E => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFNMSUB132PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFNMSUB132PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFNMSUB132PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFNMSUB132PS, VEXOperandCode::G_V_E_xyLmm) } }, 0x9F => if instruction.prefixes.vex_unchecked().w() { @@ -2970,47 +2287,23 @@ fn read_vex_instruction< }, 0xA6 => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFMADDSUB213PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMADDSUB213PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFMADDSUB213PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMADDSUB213PS, VEXOperandCode::G_V_E_xyLmm) } }, 0xA7 => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFMSUBADD213PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMSUBADD213PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFMSUBADD213PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMSUBADD213PS, VEXOperandCode::G_V_E_xyLmm) } }, 0xA8 => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFMADD213PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMADD213PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFMADD213PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMADD213PS, VEXOperandCode::G_V_E_xyLmm) } }, 0xA9 => if instruction.prefixes.vex_unchecked().w() { @@ -3020,17 +2313,9 @@ fn read_vex_instruction< }, 0xAA => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFMSUB213PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMSUB213PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFMSUB213PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMSUB213PS, VEXOperandCode::G_V_E_xyLmm) } }, 0xAB => if instruction.prefixes.vex_unchecked().w() { @@ -3040,17 +2325,9 @@ fn read_vex_instruction< }, 0xAC => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFNMADD213PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFNMADD213PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFNMADD213PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFNMADD213PS, VEXOperandCode::G_V_E_xyLmm) } }, 0xAD => if instruction.prefixes.vex_unchecked().w() { @@ -3060,17 +2337,9 @@ fn read_vex_instruction< }, 0xAE => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFNMSUB213PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFNMSUB213PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFNMSUB213PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFNMSUB213PS, VEXOperandCode::G_V_E_xyLmm) } }, 0xAF => if instruction.prefixes.vex_unchecked().w() { @@ -3080,47 +2349,23 @@ fn read_vex_instruction< }, 0xB6 => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFMADDSUB231PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMADDSUB231PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFMADDSUB231PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMADDSUB231PS, VEXOperandCode::G_V_E_xyLmm) } }, 0xB7 => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFMSUBADD231PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMSUBADD231PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFMSUBADD231PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMSUBADD231PS, VEXOperandCode::G_V_E_xyLmm) } }, 0xB8 => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFMADD231PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMADD231PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFMADD231PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMADD231PS, VEXOperandCode::G_V_E_xyLmm) } }, 0xB9 => if instruction.prefixes.vex_unchecked().w() { @@ -3130,17 +2375,9 @@ fn read_vex_instruction< }, 0xBA => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFMSUB231PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMSUB231PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFMSUB231PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFMSUB231PS, VEXOperandCode::G_V_E_xyLmm) } }, 0xBB => if instruction.prefixes.vex_unchecked().w() { @@ -3150,17 +2387,9 @@ fn read_vex_instruction< }, 0xBC => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFNMADD231PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFNMADD231PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFNMADD231PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFNMADD231PS, VEXOperandCode::G_V_E_xyLmm) } }, 0xBD => if instruction.prefixes.vex_unchecked().w() { @@ -3170,17 +2399,9 @@ fn read_vex_instruction< }, 0xBE => { if instruction.prefixes.vex_unchecked().w() { - (Opcode::VFNMSUB231PD, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFNMSUB231PD, VEXOperandCode::G_V_E_xyLmm) } else { - (Opcode::VFNMSUB231PS, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_ymm - }) + (Opcode::VFNMSUB231PS, VEXOperandCode::G_V_E_xyLmm) } }, 0xBF => if instruction.prefixes.vex_unchecked().w() { @@ -3189,114 +2410,83 @@ fn read_vex_instruction< (Opcode::VFNMSUB231SS, VEXOperandCode::G_V_E_xmm /* 64bit */) }, 0xDB => (Opcode::VAESIMC, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_E_xmm }), - 0xDC => (Opcode::VAESENC, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xDD => (Opcode::VAESENCLAST, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xDE => (Opcode::VAESDEC, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), - 0xDF => (Opcode::VAESDECLAST, if L { - VEXOperandCode::G_V_E_ymm - } else { - VEXOperandCode::G_V_E_xmm - }), + 0xDC => (Opcode::VAESENC, VEXOperandCode::G_V_E_xyLmm), + 0xDD => (Opcode::VAESENCLAST, VEXOperandCode::G_V_E_xyLmm), + 0xDE => (Opcode::VAESDEC, VEXOperandCode::G_V_E_xyLmm), + 0xDF => (Opcode::VAESDECLAST, VEXOperandCode::G_V_E_xyLmm), 0xF7 => (Opcode::SHLX, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_E_V }), _ => { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } } } else if let VEXOpcodePrefix::PrefixF2 = p { match opc { 0xF5 => (Opcode::PDEP, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_V_E }), 0xF6 => (Opcode::MULX, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_V_E }), 0xF7 => (Opcode::SHRX, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_E_V }), _ => { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } } } else if let VEXOpcodePrefix::PrefixF3 = p { match opc { 0xF5 => (Opcode::PEXT, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_V_E }), 0xF7 => (Opcode::SARX, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_E_V }), _ => { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } } } else { match opc { 0xF2 => (Opcode::ANDN, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_V_E }), 0xF3 => (Opcode::Invalid, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::BMI1_F3 }), 0xF5 => (Opcode::BZHI, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_E_V }), 0xF7 => (Opcode::BEXTR, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_E_V }), _ => { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } } @@ -3312,7 +2502,6 @@ fn read_vex_instruction< } VEXOperandCode::G_E_ymm_imm8 } else { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); }), 0x01 => (Opcode::VPERMPD, if L { @@ -3321,101 +2510,49 @@ fn read_vex_instruction< } VEXOperandCode::G_E_ymm_imm8 } else { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); }), - 0x02 => (Opcode::VPBLENDD, if L { - if instruction.prefixes.vex_unchecked().w() { - return Err(DecodeError::InvalidOpcode); - } - VEXOperandCode::G_V_E_ymm_imm8 - } else { - if instruction.prefixes.vex_unchecked().w() { - return Err(DecodeError::InvalidOpcode); - } - VEXOperandCode::G_V_E_xmm_imm8 - }), - 0x04 => (Opcode::VPERMILPS, if L { - VEXOperandCode::G_E_ymm_imm8 - } else { - VEXOperandCode::G_E_xmm_imm8 - }), - 0x05 => (Opcode::VPERMILPD, if L { - VEXOperandCode::G_E_ymm_imm8 + 0x02 => (Opcode::VPBLENDD, if instruction.prefixes.vex_unchecked().w() { + return Err(DecodeError::InvalidOpcode); } else { - VEXOperandCode::G_E_xmm_imm8 + VEXOperandCode::G_V_E_xyLmm_imm8 }), + 0x04 => (Opcode::VPERMILPS, VEXOperandCode::G_E_xyLmm_imm8), + 0x05 => (Opcode::VPERMILPD, VEXOperandCode::G_E_xyLmm_imm8), 0x06 => (Opcode::VPERM2F128, if L { if instruction.prefixes.vex_unchecked().w() { return Err(DecodeError::InvalidOpcode); } VEXOperandCode::G_V_E_ymm_imm8 } else { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); }), - 0x08 => (Opcode::VROUNDPS, if L { - VEXOperandCode::G_E_ymm_imm8 - } else { - VEXOperandCode::G_E_xmm_imm8 - }), - 0x09 => (Opcode::VROUNDPD, if L { - VEXOperandCode::G_E_ymm_imm8 - } else { - VEXOperandCode::G_E_xmm_imm8 - }), - 0x0A => (Opcode::VROUNDSS, if L { - VEXOperandCode::G_V_E_xmm_imm8 - } else { - VEXOperandCode::G_V_E_xmm_imm8 - }), - 0x0B => (Opcode::VROUNDSD, if L { - VEXOperandCode::G_V_E_xmm_imm8 - } else { - VEXOperandCode::G_V_E_xmm_imm8 - }), - 0x0C => (Opcode::VBLENDPS, if L { - VEXOperandCode::G_V_E_ymm_imm8 - } else { - VEXOperandCode::G_V_E_xmm_imm8 - }), - 0x0D => (Opcode::VBLENDPD, if L { - VEXOperandCode::G_V_E_ymm_imm8 - } else { - VEXOperandCode::G_V_E_xmm_imm8 - }), - 0x0E => (Opcode::VPBLENDW, if L { - VEXOperandCode::G_V_E_ymm_imm8 - } else { - VEXOperandCode::G_V_E_xmm_imm8 - }), - 0x0F => (Opcode::VPALIGNR, if L { - VEXOperandCode::G_V_E_ymm_imm8 - } else { - VEXOperandCode::G_V_E_xmm_imm8 - }), + 0x08 => (Opcode::VROUNDPS, VEXOperandCode::G_E_xyLmm_imm8), + 0x09 => (Opcode::VROUNDPD, VEXOperandCode::G_E_xyLmm_imm8), + 0x0A => (Opcode::VROUNDSS, VEXOperandCode::G_V_E_xyLmm_imm8), + 0x0B => (Opcode::VROUNDSD, VEXOperandCode::G_V_E_xyLmm_imm8), + 0x0C => (Opcode::VBLENDPS, VEXOperandCode::G_V_E_xyLmm_imm8), + 0x0D => (Opcode::VBLENDPD, VEXOperandCode::G_V_E_xyLmm_imm8), + 0x0E => (Opcode::VPBLENDW, VEXOperandCode::G_V_E_xyLmm_imm8), + 0x0F => (Opcode::VPALIGNR, VEXOperandCode::G_V_E_xyLmm_imm8), 0x14 => (Opcode::VPEXTRB, if L || instruction.prefixes.vex_unchecked().w() { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::Ev_G_xmm_imm8 }), 0x15 => (Opcode::VPEXTRW, if L || instruction.prefixes.vex_unchecked().w() { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::Ev_G_xmm_imm8 }), 0x16 => if instruction.prefixes.vex_unchecked().w() { (Opcode::VPEXTRQ, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::Ev_G_xmm_imm8 }) } else { (Opcode::VPEXTRD, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { // varies on W @@ -3423,30 +2560,25 @@ fn read_vex_instruction< }) }, 0x17 => (Opcode::VEXTRACTPS, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::Ev_G_xmm_imm8 }), 0x18 => if instruction.prefixes.vex_unchecked().w() { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { (Opcode::VINSERTF128, if L { VEXOperandCode::G_ymm_V_ymm_E_xmm_imm8 } else { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); }) }, 0x19 => if instruction.prefixes.vex_unchecked().w() { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { (Opcode::VEXTRACTF128, if L { VEXOperandCode::E_xmm_G_ymm_imm8 } else { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); }) }, @@ -3456,27 +2588,23 @@ fn read_vex_instruction< VEXOperandCode::E_G_xmm_imm8 }), 0x20 => (Opcode::VPINSRB, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_V_xmm_Ev_imm8 }), 0x21 => (Opcode::VINSERTPS, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_V_E_xmm_imm8 }), 0x22 => if instruction.prefixes.vex_unchecked().w() { (Opcode::VPINSRQ, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_V_xmm_Ev_imm8 }) } else { (Opcode::VPINSRD, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_V_xmm_Ev_imm8 @@ -3485,33 +2613,21 @@ fn read_vex_instruction< 0x38 => (Opcode::VINSERTI128, if L { VEXOperandCode::G_ymm_V_ymm_E_xmm_imm8 } else { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); }), 0x39 => (Opcode::VEXTRACTI128, if L { VEXOperandCode::E_xmm_G_ymm_imm8 } else { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); }), - 0x40 => (Opcode::VDPPS, if L { - VEXOperandCode::G_V_E_ymm_imm8 - } else { - VEXOperandCode::G_V_E_xmm_imm8 - }), + 0x40 => (Opcode::VDPPS, VEXOperandCode::G_V_E_xyLmm_imm8), 0x41 => (Opcode::VDPPD, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_V_E_xmm_imm8 }), - 0x42 => (Opcode::VMPSADBW, if L { - VEXOperandCode::G_V_E_ymm_imm8 - } else { - VEXOperandCode::G_V_E_xmm_imm8 - }), + 0x42 => (Opcode::VMPSADBW, VEXOperandCode::G_V_E_xyLmm_imm8), 0x44 => (Opcode::VPCLMULQDQ, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_V_E_xmm_imm8 @@ -3522,7 +2638,6 @@ fn read_vex_instruction< } VEXOperandCode::G_V_E_ymm_imm8 } else { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); }), 0x4A => (Opcode::VBLENDVPS, if L { @@ -3536,7 +2651,6 @@ fn read_vex_instruction< VEXOperandCode::G_V_E_xmm_xmm4 }), 0x4C => if instruction.prefixes.vex_unchecked().w() { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { (Opcode::VPBLENDVB, if L { @@ -3545,57 +2659,28 @@ fn read_vex_instruction< VEXOperandCode::G_V_E_xmm_xmm4 }) }, - 0x60 => (Opcode::VPCMPESTRM, if L { - instruction.opcode = Opcode::Invalid; - return Err(DecodeError::InvalidOpcode); - } else { - VEXOperandCode::G_E_xmm_imm8 - }), - 0x61 => (Opcode::VPCMPESTRI, if L { - instruction.opcode = Opcode::Invalid; - return Err(DecodeError::InvalidOpcode); - } else { - VEXOperandCode::G_E_xmm_imm8 - }), - 0x62 => (Opcode::VPCMPISTRM, if L { - instruction.opcode = Opcode::Invalid; - return Err(DecodeError::InvalidOpcode); - } else { - VEXOperandCode::G_E_xmm_imm8 - }), - 0x63 => (Opcode::VPCMPISTRI, if L { - instruction.opcode = Opcode::Invalid; - return Err(DecodeError::InvalidOpcode); - } else { - VEXOperandCode::G_E_xmm_imm8 - }), - 0xDF => (Opcode::VAESKEYGENASSIST, if L { - instruction.opcode = Opcode::Invalid; - return Err(DecodeError::InvalidOpcode); - } else { - VEXOperandCode::G_E_xmm_imm8 - }), + 0x60 => (Opcode::VPCMPESTRM, VEXOperandCode::G_E_xmm_imm8), + 0x61 => (Opcode::VPCMPESTRI, VEXOperandCode::G_E_xmm_imm8), + 0x62 => (Opcode::VPCMPISTRM, VEXOperandCode::G_E_xmm_imm8), + 0x63 => (Opcode::VPCMPISTRI, VEXOperandCode::G_E_xmm_imm8), + 0xDF => (Opcode::VAESKEYGENASSIST, VEXOperandCode::G_E_xmm_imm8), _ => { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } } } else if let VEXOpcodePrefix::PrefixF2 = p { match opc { 0xF0 => (Opcode::RORX, if L { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } else { VEXOperandCode::G_E_Ib }), _ => { - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } } } else { // the only VEX* 0f3a instructions have an implied 66 prefix. - instruction.opcode = Opcode::Invalid; return Err(DecodeError::InvalidOpcode); } } |