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-rw-r--r--src/lib.rs61
-rw-r--r--test/test.rs24
2 files changed, 63 insertions, 22 deletions
diff --git a/src/lib.rs b/src/lib.rs
index 815f51b..c827dfb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1134,7 +1134,6 @@ pub enum OperandCode {
Yv_AX,
Yv_Xv,
G_E_q,
- G_U_mm,
G_M_q,
E_G_q,
Rv_Gmm_Ib,
@@ -1238,6 +1237,7 @@ pub enum OperandCode {
E_G_mm = 0xeb,
G_xmm_E_mm = 0xed,
G_xmm_Edq = 0xef,
+ G_U_mm = 0xf1,
}
fn base_opcode_map(v: u8) -> Opcode {
@@ -2247,22 +2247,22 @@ const OPCODE_0F_MAP: [OpcodeRecord; 256] = [
OpcodeRecord(Interpretation::Instruction(Opcode::PUNPCKLBW), OperandCode::G_E_mm),
OpcodeRecord(Interpretation::Instruction(Opcode::PUNPCKLWD), OperandCode::G_E_mm),
OpcodeRecord(Interpretation::Instruction(Opcode::PUNPCKLDQ), OperandCode::G_E_mm),
- OpcodeRecord(Interpretation::Instruction(Opcode::PACKSSWB), OperandCode::Unsupported),
- OpcodeRecord(Interpretation::Instruction(Opcode::PCMPGTB), OperandCode::Unsupported),
- OpcodeRecord(Interpretation::Instruction(Opcode::PCMPGTW), OperandCode::Unsupported),
- OpcodeRecord(Interpretation::Instruction(Opcode::PCMPGTD), OperandCode::Unsupported),
- OpcodeRecord(Interpretation::Instruction(Opcode::PACKUSWB), OperandCode::Unsupported),
- OpcodeRecord(Interpretation::Instruction(Opcode::PUNPCKHBW), OperandCode::Unsupported),
- OpcodeRecord(Interpretation::Instruction(Opcode::PUNPCKHWD), OperandCode::Unsupported),
- OpcodeRecord(Interpretation::Instruction(Opcode::PUNPCKHDQ), OperandCode::Unsupported),
- OpcodeRecord(Interpretation::Instruction(Opcode::PACKSSDW), OperandCode::Unsupported),
+ OpcodeRecord(Interpretation::Instruction(Opcode::PACKSSWB), OperandCode::G_E_mm),
+ OpcodeRecord(Interpretation::Instruction(Opcode::PCMPGTB), OperandCode::G_E_mm),
+ OpcodeRecord(Interpretation::Instruction(Opcode::PCMPGTW), OperandCode::G_E_mm),
+ OpcodeRecord(Interpretation::Instruction(Opcode::PCMPGTD), OperandCode::G_E_mm),
+ OpcodeRecord(Interpretation::Instruction(Opcode::PACKUSWB), OperandCode::G_E_mm),
+ OpcodeRecord(Interpretation::Instruction(Opcode::PUNPCKHBW), OperandCode::G_E_mm),
+ OpcodeRecord(Interpretation::Instruction(Opcode::PUNPCKHWD), OperandCode::G_E_mm),
+ OpcodeRecord(Interpretation::Instruction(Opcode::PUNPCKHDQ), OperandCode::G_E_mm),
+ OpcodeRecord(Interpretation::Instruction(Opcode::PACKSSDW), OperandCode::G_E_mm),
OpcodeRecord(Interpretation::Instruction(Opcode::Invalid), OperandCode::Nothing),
OpcodeRecord(Interpretation::Instruction(Opcode::Invalid), OperandCode::Nothing),
OpcodeRecord(Interpretation::Instruction(Opcode::MOVD), OperandCode::G_mm_Edq),
OpcodeRecord(Interpretation::Instruction(Opcode::MOVQ), OperandCode::G_mm_E),
// 0x70
- OpcodeRecord(Interpretation::Instruction(Opcode::PSHUFW), OperandCode::Unsupported),
+ OpcodeRecord(Interpretation::Instruction(Opcode::PSHUFW), OperandCode::G_E_xmm_Ib),
OpcodeRecord(Interpretation::Instruction(Opcode::Invalid), OperandCode::ModRM_0x0f71),
OpcodeRecord(Interpretation::Instruction(Opcode::Invalid), OperandCode::ModRM_0x0f72),
OpcodeRecord(Interpretation::Instruction(Opcode::Invalid), OperandCode::ModRM_0x0f73),
@@ -3444,27 +3444,54 @@ pub fn read_operands<T: Iterator<Item=u8>>(mut bytes_iter: T, instruction: &mut
instruction.operand_count = 2;
},
OperandCode::G_E_mm => {
+ instruction.operands[1] = mem_oper;
+ instruction.modrm_rrr.bank = RegisterBank::MM;
+ instruction.modrm_rrr.num &= 0b111;
+ if mem_oper == OperandSpec::RegMMM {
+ instruction.modrm_mmm.bank = RegisterBank::MM;
+ instruction.modrm_mmm.num &= 0b111;
+ }
+ instruction.operand_count = 2;
+ },
+ OperandCode::G_U_mm => {
+ instruction.operands[1] = mem_oper;
+ instruction.modrm_rrr.bank = RegisterBank::D;
+ if mem_oper != OperandSpec::RegMMM {
+ return Err(());
+ }
+ instruction.modrm_mmm.bank = RegisterBank::MM;
+ instruction.modrm_mmm.num &= 0b111;
+ instruction.operand_count = 2;
+ },
+ OperandCode::G_E_xmm => {
let modrm = read_modrm(&mut bytes_iter, instruction, length)?;
bytes_read = 1;
// println!("mod_bits: {:2b}, r: {:3b}, m: {:3b}", mod_bits, r, m);
instruction.operands[1] = read_E_xmm(&mut bytes_iter, instruction, modrm, length)?;
instruction.modrm_rrr =
- RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.rex().r(), RegisterBank::MM);
+ RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.rex().r(), RegisterBank::X);
instruction.operands[0] = OperandSpec::RegRRR;
instruction.operand_count = 2;
},
- OperandCode::G_E_xmm => {
+ OperandCode::G_mm_Ew_Ib => {
let modrm = read_modrm(&mut bytes_iter, instruction, length)?;
bytes_read = 1;
// println!("mod_bits: {:2b}, r: {:3b}, m: {:3b}", mod_bits, r, m);
- instruction.operands[1] = read_E_xmm(&mut bytes_iter, instruction, modrm, length)?;
+ instruction.operands[1] = read_E(&mut bytes_iter, instruction, modrm, 4, length)?;
instruction.modrm_rrr =
- RegSpec::from_parts((modrm >> 3) & 7, instruction.prefixes.rex().r(), RegisterBank::X);
+ RegSpec::from_parts((modrm >> 3) & 7, false, RegisterBank::MM);
instruction.operands[0] = OperandSpec::RegRRR;
- instruction.operand_count = 2;
- },
+ if instruction.operands[1] == OperandSpec::RegMMM {
+ instruction.modrm_mmm.bank = RegisterBank::D;
+ }
+ instruction.imm =
+ read_num(&mut bytes_iter, 1)? as u8 as u64;
+ *length += 1;
+ instruction.operands[2] = OperandSpec::ImmI8;
+ instruction.operand_count = 3;
+ }
OperandCode::AL_Ib => {
instruction.modrm_rrr =
RegSpec::al();
diff --git a/test/test.rs b/test/test.rs
index 4fd08c1..e3ffa30 100644
--- a/test/test.rs
+++ b/test/test.rs
@@ -52,9 +52,9 @@ fn test_mmx() {
test_display(&[0x4f, 0x0f, 0x7f, 0xcf], "movq mm7, mm1");
test_display(&[0x0f, 0xc4, 0xc0, 0x14], "pinsrw mm0, eax, 0x14");
test_display(&[0x4f, 0x0f, 0xc4, 0xc0, 0x14], "pinsrw mm0, r8d, 0x14");
- test_display(&[0x4f, 0x0f, 0xc4, 0x00, 0x14], "pinsrw mm0, word [r8], 0x14");
+ test_display(&[0x4f, 0x0f, 0xc4, 0x00, 0x14], "pinsrw mm0, [r8], 0x14");
test_display(&[0x4f, 0x0f, 0xd1, 0xcf], "psrlw mm1, mm7");
- test_display(&[0x4f, 0x0f, 0xd1, 0x00], "psrlw mm0, qword [r8]");
+ test_display(&[0x4f, 0x0f, 0xd1, 0x00], "psrlw mm0, [r8]");
test_invalid(&[0x4f, 0x0f, 0xd7, 0x00]);
test_display(&[0x4f, 0x0f, 0xd7, 0xcf], "pmovmskb r9d, mm7");
}
@@ -338,21 +338,35 @@ fn prefixed_0f() {
test_invalid(&[0x0f, 0x36]);
test_display(&[0x0f, 0x37], "getsec");
test_display(&[0x0f, 0x60, 0x00], "punpcklbw mm0, [rax]");
+ test_display(&[0x0f, 0x60, 0xc2], "punpcklbw mm0, mm2");
test_display(&[0x0f, 0x61, 0x00], "punpcklwd mm0, [rax]");
+ test_display(&[0x0f, 0x61, 0xc2], "punpcklwd mm0, mm2");
test_display(&[0x0f, 0x62, 0x00], "punpckldq mm0, [rax]");
+ test_display(&[0x0f, 0x62, 0xc2], "punpckldq mm0, mm2");
test_display(&[0x0f, 0x63, 0x00], "packsswb mm0, [rax]");
+ test_display(&[0x0f, 0x63, 0xc2], "packsswb mm0, mm2");
test_display(&[0x0f, 0x64, 0x00], "pcmpgtb mm0, [rax]");
+ test_display(&[0x0f, 0x64, 0xc2], "pcmpgtb mm0, mm2");
test_display(&[0x0f, 0x65, 0x00], "pcmpgtw mm0, [rax]");
+ test_display(&[0x0f, 0x65, 0xc2], "pcmpgtw mm0, mm2");
test_display(&[0x0f, 0x66, 0x00], "pcmpgtd mm0, [rax]");
+ test_display(&[0x0f, 0x66, 0xc2], "pcmpgtd mm0, mm2");
test_display(&[0x0f, 0x67, 0x00], "packuswb mm0, [rax]");
+ test_display(&[0x0f, 0x67, 0xc2], "packuswb mm0, mm2");
test_display(&[0x0f, 0x68, 0x00], "punpckhbw mm0, [rax]");
- test_display(&[0x0f, 0x69, 0x00], "punpckhbd mm0, [rax]");
+ test_display(&[0x0f, 0x68, 0xc2], "punpckhbw mm0, mm2");
+ test_display(&[0x0f, 0x69, 0x00], "punpckhwd mm0, [rax]");
+ test_display(&[0x0f, 0x69, 0xc2], "punpckhwd mm0, mm2");
test_display(&[0x0f, 0x6a, 0x00], "punpckhdq mm0, [rax]");
+ test_display(&[0x0f, 0x6a, 0xc2], "punpckhdq mm0, mm2");
test_display(&[0x0f, 0x6b, 0x00], "packssdw mm0, [rax]");
+ test_display(&[0x0f, 0x6b, 0xc2], "packssdw mm0, mm2");
test_invalid(&[0x0f, 0x6c]);
test_invalid(&[0x0f, 0x6d]);
- test_display(&[0x0f, 0x6e], "movd mm0, dword [rax]");
- test_display(&[0x0f, 0x6f], "movd mm0, qword [rax]");
+ test_display(&[0x0f, 0x6e, 0x00], "movd mm0, [rax]");
+ test_display(&[0x0f, 0x6e, 0xc2], "movd mm0, edx");
+ test_display(&[0x0f, 0x6f, 0x00], "movq mm0, [rax]");
+ test_display(&[0x0f, 0x6f, 0xc2], "movq mm0, mm2");
test_display(&[0x0f, 0x70, 0x00, 0x7f], "pshufw mm0, qword [rax], 0x7f");
test_display(&[0x0f, 0x71, 0xd0, 0x7f], "psrlw mm0, 0x7f");
test_display(&[0x0f, 0x71, 0xe0, 0x7f], "psraw mm0, 0x7f");
generated by cgit v1.1 at 2025-10-31 07:36:15 +0000