From f7df8cf15d5ff4a8ede83bad9ea0c2ba7dbd8040 Mon Sep 17 00:00:00 2001 From: iximeow Date: Sun, 31 Oct 2021 04:03:19 -0700 Subject: mechanical transform to avoid risk of panicking index --- src/armv8/a64.rs | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) (limited to 'src') diff --git a/src/armv8/a64.rs b/src/armv8/a64.rs index e3e906f..e62d3b6 100644 --- a/src/armv8/a64.rs +++ b/src/armv8/a64.rs @@ -1795,7 +1795,7 @@ impl Decoder for InstDecoder { Err(DecodeError::InvalidOpcode), Ok((Opcode::CRC32CX, SizeCode::X)), ]; - let (opcode, size) = OPCODES[combined_idx as usize]?; + let (opcode, size) = OPCODES.get(combined_idx as usize).cloned().unwrap_or(Err(DecodeError::InvalidOpcode))?; inst.opcode = opcode; inst.operands = [ Operand::Register(size, Rd), @@ -3104,7 +3104,7 @@ impl Decoder for InstDecoder { Err(DecodeError::InvalidOpcode), ]; - let (opcode, size, shamt) = OPCODES[size_opc as usize]?; + let (opcode, size, shamt) = OPCODES.get(size_opc as usize).cloned().unwrap_or(Err(DecodeError::InvalidOpcode))?; inst.opcode = opcode; let S = ((word >> 12) & 0x1) as u8; @@ -3169,7 +3169,7 @@ impl Decoder for InstDecoder { Err(DecodeError::InvalidOpcode), ]; - let (opcode, size) = OPCODES[size_opc as usize]?; + let (opcode, size) = OPCODES.get(size_opc as usize).cloned().unwrap_or(Err(DecodeError::InvalidOpcode))?; inst.opcode = opcode; inst.operands = [ @@ -3200,7 +3200,7 @@ impl Decoder for InstDecoder { Err(DecodeError::InvalidOpcode), ]; - let (opcode, size) = OPCODES[size_opc as usize]?; + let (opcode, size) = OPCODES.get(size_opc as usize).cloned().unwrap_or(Err(DecodeError::InvalidOpcode))?; inst.opcode = opcode; inst.operands = [ @@ -3231,7 +3231,7 @@ impl Decoder for InstDecoder { Err(DecodeError::InvalidOpcode), ]; - let (opcode, size) = OPCODES[size_opc as usize]?; + let (opcode, size) = OPCODES.get(size_opc as usize).cloned().unwrap_or(Err(DecodeError::InvalidOpcode))?; inst.opcode = opcode; inst.operands = [ @@ -3296,7 +3296,7 @@ impl Decoder for InstDecoder { Err(DecodeError::InvalidOpcode), ]; - let (opcode, size) = OPCODES[size_opc as usize]?; + let (opcode, size) = OPCODES.get(size_opc as usize).cloned().unwrap_or(Err(DecodeError::InvalidOpcode))?; inst.opcode = opcode; inst.operands = [ @@ -3344,7 +3344,7 @@ impl Decoder for InstDecoder { Err(DecodeError::InvalidOpcode), ]; - let (opcode, size) = OPCODES[size_opc as usize]?; + let (opcode, size) = OPCODES.get(size_opc as usize).cloned().unwrap_or(Err(DecodeError::InvalidOpcode))?; inst.opcode = opcode; inst.operands = [ @@ -3409,7 +3409,7 @@ impl Decoder for InstDecoder { let Rm = (word >> 16) & 0x1f; let S = (word >> 12) & 0x01; - let (opcode, size) = OPCODES[size_opc as usize]?; + let (opcode, size) = OPCODES.get(size_opc as usize).cloned().unwrap_or(Err(DecodeError::InvalidOpcode))?; let shift_amount = match size { SIMDSizeCode::B => 1, SIMDSizeCode::H => 1, @@ -3624,7 +3624,7 @@ impl Decoder for InstDecoder { Err(DecodeError::InvalidOpcode), ]; - let (opc, size) = OPCODES[size_opc as usize]?; + let (opc, size) = OPCODES.get(size_opc as usize).cloned().unwrap_or(Err(DecodeError::InvalidOpcode))?; let offset_scale = match size { SIMDSizeCode::B => 1, @@ -3724,7 +3724,7 @@ impl Decoder for InstDecoder { // let mut replicate = false; let opc_idx = (opcode_bits << 1) | R; - let (opcode, group_size, item_size) = OPCODES[opc_idx as usize]?; + let (opcode, group_size, item_size) = OPCODES.get(opc_idx as usize).cloned().unwrap_or(Err(DecodeError::InvalidOpcode))?; let item_size = match item_size { SIMDSizeCode::B => SIMDSizeCode::B, @@ -3855,7 +3855,7 @@ impl Decoder for InstDecoder { // let mut replicate = false; let opc_idx = (opcode_bits << 1) | R; - let (opcode, group_size, item_size) = OPCODES[opc_idx as usize]?; + let (opcode, group_size, item_size) = OPCODES.get(opc_idx as usize).cloned().unwrap_or(Err(DecodeError::InvalidOpcode))?; let item_size = match item_size { SIMDSizeCode::B => SIMDSizeCode::B, -- cgit v1.1