diff options
Diffstat (limited to 'src/long_mode')
| -rw-r--r-- | src/long_mode/vex.rs | 59 |
1 files changed, 46 insertions, 13 deletions
diff --git a/src/long_mode/vex.rs b/src/long_mode/vex.rs index aaf6402..e83c735 100644 --- a/src/long_mode/vex.rs +++ b/src/long_mode/vex.rs @@ -676,7 +676,11 @@ fn read_vex_operands< if instruction.opcode == Opcode::VMOVLPD || instruction.opcode == Opcode::VMOVHPD || instruction.opcode == Opcode::VMOVHPS { instruction.mem_size = 8; } else { - instruction.mem_size = 16; + if L { + instruction.mem_size = 32; + } else { + instruction.mem_size = 16; + } } } instruction.operands[0] = mem_oper; @@ -1076,7 +1080,11 @@ fn read_vex_operands< if instruction.opcode == Opcode::VMOVLPD || instruction.opcode == Opcode::VMOVHPD || instruction.opcode == Opcode::VMOVHPS { instruction.mem_size = 8; } else { - instruction.mem_size = 16; + if L { + instruction.mem_size = 32; + } else { + instruction.mem_size = 16; + } } } instruction.operands[0] = mem_oper; @@ -1102,7 +1110,11 @@ fn read_vex_operands< instruction.imm = read_imm_unsigned(words, 1)?; instruction.operands[3] = OperandSpec::ImmU8; if mem_oper != OperandSpec::RegMMM { - instruction.mem_size = 16; + if L { + instruction.mem_size = 32; + } else { + instruction.mem_size = 16; + } } instruction.operand_count = 4; Ok(()) @@ -1123,12 +1135,18 @@ fn read_vex_operands< 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; + if L { + instruction.mem_size = 32; } else { instruction.mem_size = 16; + } + + if instruction.opcode == Opcode::VMOVDDUP && !L { + instruction.mem_size = 8; + } else if [Opcode::VBROADCASTSS, Opcode::VUCOMISS, Opcode::VCOMISS].contains(&instruction.opcode) { + instruction.mem_size = 4; + } else if [Opcode::VUCOMISD, Opcode::VCOMISD, Opcode::VCVTPS2PD, Opcode::VMOVQ].contains(&instruction.opcode) { + instruction.mem_size = 8; }; } instruction.operand_count = 2; @@ -1154,7 +1172,11 @@ fn read_vex_operands< } 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; + if L { + instruction.mem_size = 32; + } else { + instruction.mem_size = 16; + } } } instruction.operand_count = 3; @@ -1264,7 +1286,13 @@ fn read_vex_operands< #[allow(non_snake_case)] let L = instruction.prefixes.vex_unchecked().l(); - let bank = if L { + let bank = if L && instruction.opcode != Opcode::VGATHERQPS && instruction.opcode != Opcode::VPGATHERQD { + RegisterBank::Y + } else { + RegisterBank::X + }; + + let index_bank = if L { RegisterBank::Y } else { RegisterBank::X @@ -1274,12 +1302,17 @@ fn read_vex_operands< 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[2].bank = bank; + if instruction.opcode == Opcode::VPGATHERDQ { + instruction.regs[2].bank = RegisterBank::X; + } else { + instruction.regs[2].bank = index_bank; + } + instruction.regs[3].bank = bank; instruction.operands[0] = OperandSpec::RegRRR; instruction.operands[1] = mem_oper; instruction.operands[2] = OperandSpec::RegVex; if mem_oper != OperandSpec::RegMMM { - if instruction.opcode == Opcode::VPGATHERDD { + if instruction.opcode == Opcode::VPGATHERDD || instruction.opcode == Opcode::VPGATHERQD || instruction.opcode == Opcode::VGATHERDPS || instruction.opcode == Opcode::VGATHERQPS { instruction.mem_size = 4; } else { instruction.mem_size = 8; @@ -2529,8 +2562,8 @@ fn read_vex_instruction< }), 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), + 0x0A => (Opcode::VROUNDSS, VEXOperandCode::G_V_E_xmm_imm8), + 0x0B => (Opcode::VROUNDSD, VEXOperandCode::G_V_E_xmm_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), |