aboutsummaryrefslogtreecommitdiff
path: root/src/armv8
diff options
context:
space:
mode:
Diffstat (limited to 'src/armv8')
-rw-r--r--src/armv8/a64.rs25
1 files changed, 16 insertions, 9 deletions
diff --git a/src/armv8/a64.rs b/src/armv8/a64.rs
index af52bf4..d291c61 100644
--- a/src/armv8/a64.rs
+++ b/src/armv8/a64.rs
@@ -3825,6 +3825,13 @@ impl Decoder<ARMv8> for InstDecoder {
Err(DecodeError::InvalidOperand), Ok((Q, D, Q, D)),
];
+ const TABLE_I: &'static OperandSizeTable = &[
+ Ok((D, S, D, S)), Ok((Q, S, Q, S)),
+ Err(DecodeError::InvalidOperand), Ok((Q, D, Q, D)),
+ Err(DecodeError::InvalidOperand), Err(DecodeError::InvalidOperand),
+ Err(DecodeError::InvalidOperand), Err(DecodeError::InvalidOperand),
+ ];
+
if op2 & 0b0111 == 0b0100 {
// `Advanced SIMD two-register miscellaneous`
const OPCODES_U0_LOW: &[Result<(Opcode, &'static OperandSizeTable), DecodeError>; 20] = &[
@@ -3840,11 +3847,11 @@ impl Decoder<ARMv8> for InstDecoder {
Ok((Opcode::CMEQ, TABLE_D)),
Ok((Opcode::CMLT, TABLE_D)),
Ok((Opcode::ABS, TABLE_D)),
- // 0b01100
- Err(DecodeError::InvalidOpcode),
- Err(DecodeError::InvalidOpcode),
- Err(DecodeError::InvalidOpcode),
- Err(DecodeError::InvalidOpcode),
+ // 0b01100, all four size=1x
+ Ok((Opcode::FCMGT, TABLE_I)),
+ Ok((Opcode::FCMEQ, TABLE_I)),
+ Ok((Opcode::FCMLT, TABLE_I)),
+ Ok((Opcode::FABS, TABLE_I)),
// 0b10000
Err(DecodeError::InvalidOpcode),
Err(DecodeError::InvalidOpcode),
@@ -3896,11 +3903,11 @@ impl Decoder<ARMv8> for InstDecoder {
Ok((Opcode::CMLE, TABLE_D)),
Err(DecodeError::InvalidOpcode),
Ok((Opcode::NEG, TABLE_D)),
- // 0b01100
- Err(DecodeError::InvalidOpcode),
- Err(DecodeError::InvalidOpcode),
- Err(DecodeError::InvalidOpcode),
+ // 0b01100, all four size=1x
+ Ok((Opcode::FCMGE, TABLE_I)),
+ Ok((Opcode::FCMLE, TABLE_I)),
Err(DecodeError::InvalidOpcode),
+ Ok((Opcode::FNEG, TABLE_I)),
// 0b10000
Err(DecodeError::InvalidOpcode),
Err(DecodeError::InvalidOpcode),