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-rw-r--r--src/armv8/a64.rs12
-rw-r--r--test/armv8/a64.rs29
2 files changed, 35 insertions, 6 deletions
diff --git a/src/armv8/a64.rs b/src/armv8/a64.rs
index 8b22e3a..4dc5483 100644
--- a/src/armv8/a64.rs
+++ b/src/armv8/a64.rs
@@ -2402,9 +2402,9 @@ impl Display for Operand {
Operand::RegPostIndex(reg, offset) => {
if *offset != 0 {
if *offset < 0 {
- write!(fmt, "[{}], -{:#x}", Operand::RegisterOrSP(SizeCode::X, *reg), -*offset)
+ write!(fmt, "[{}], #-{}", Operand::RegisterOrSP(SizeCode::X, *reg), -*offset)
} else {
- write!(fmt, "[{}], {:#x}", Operand::RegisterOrSP(SizeCode::X, *reg), offset)
+ write!(fmt, "[{}], #{}", Operand::RegisterOrSP(SizeCode::X, *reg), offset)
}
} else {
write!(fmt, "[{}]", Operand::RegisterOrSP(SizeCode::X, *reg))
@@ -8444,7 +8444,7 @@ impl Decoder<ARMv8> for InstDecoder {
Opcode::LD3R,
Opcode::LD4R,
];
- let opc_idx = (opcode_bits & 0x01) * 2 + S;
+ let opc_idx = (opcode_bits & 0x01) * 2 + R;
inst.opcode = OPCODES[opc_idx as usize];
const SIZES: [SIMDSizeCode; 4] = [
SIMDSizeCode::B,
@@ -8453,7 +8453,7 @@ impl Decoder<ARMv8> for InstDecoder {
SIMDSizeCode::D,
];
inst.operands = [
- Operand::SIMDRegisterGroup(datasize, Rt as u16, SIZES[size as usize], opc_idx as u8),
+ Operand::SIMDRegisterGroup(datasize, Rt as u16, SIZES[size as usize], opc_idx as u8 + 1),
Operand::RegPostIndex(Rn as u16, 0),
Operand::Nothing,
Operand::Nothing,
@@ -8571,7 +8571,7 @@ impl Decoder<ARMv8> for InstDecoder {
Opcode::LD3R,
Opcode::LD4R,
];
- let opc_idx = (opcode_bits & 0x01) * 2 + S;
+ let opc_idx = (opcode_bits & 0x01) * 2 + R;
inst.opcode = OPCODES[opc_idx as usize];
const SIZES: [SIMDSizeCode; 4] = [
SIMDSizeCode::B,
@@ -8580,7 +8580,7 @@ impl Decoder<ARMv8> for InstDecoder {
SIMDSizeCode::D,
];
inst.operands = [
- Operand::SIMDRegisterGroup(datasize, Rt as u16, SIZES[size as usize], opc_idx as u8),
+ Operand::SIMDRegisterGroup(datasize, Rt as u16, SIZES[size as usize], opc_idx as u8 + 1),
if Rm == 31 {
Operand::RegPostIndex(Rn as u16, ((opc_idx + 1) * (1 << size)) as i32)
} else {
diff --git a/test/armv8/a64.rs b/test/armv8/a64.rs
index 92115e0..2523a92 100644
--- a/test/armv8/a64.rs
+++ b/test/armv8/a64.rs
@@ -4401,3 +4401,32 @@ fn test_stll() {
assert!(errs.is_empty());
}
+
+#[test]
+fn test_ldst_structure() {
+ const TESTS: &[([u8; 4], &'static str)] = &[
+ ([0x00, 0xe0, 0x40, 0x0d], "ld3r {v0.8b, v1.8b, v2.8b}, [x0]"),
+ ];
+ let errs = run_tests(TESTS);
+
+ for err in errs.iter() {
+ println!("{}", err);
+ }
+
+ assert!(errs.is_empty());
+}
+
+#[test]
+fn test_tbl() {
+ const TESTS: &[([u8; 4], &'static str)] = &[
+ ([0x00, 0x00, 0x00, 0x0e], "tbl v0.8b, {v0.16b}, v0.8b"),
+ ([0x20, 0x00, 0x00, 0x0e], "tbl v0.8b, {v1.16b}, v0.8b"),
+ ];
+ let errs = run_tests(TESTS);
+
+ for err in errs.iter() {
+ println!("{}", err);
+ }
+
+ assert!(errs.is_empty());
+}