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crc32: Remove unnecessary masking

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This commit is contained in:
MerryMage 2020-06-04 20:33:46 +01:00
parent bcde135c23
commit bb203429c6
1 changed files with 4 additions and 4 deletions
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8
src/frontend/A32/translate/impl/crc32.cpp
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@ -57,18 +57,18 @@ bool CRC32Variant(ArmTranslatorVisitor& v, Cond cond, Imm<2> sz, Reg n, Reg d, R
if (type == CRCType::ISO) { if (type == CRCType::ISO) {
switch (sz.ZeroExtend()) { switch (sz.ZeroExtend()) {
case 0b00: case 0b00:
return v.ir.CRC32ISO8(accumulator, v.ir.And(data, v.ir.Imm32(0xFF))); return v.ir.CRC32ISO8(accumulator, data);
case 0b01: case 0b01:
return v.ir.CRC32ISO16(accumulator, v.ir.And(data, v.ir.Imm32(0xFFFF))); return v.ir.CRC32ISO16(accumulator, data);
case 0b10: case 0b10:
return v.ir.CRC32ISO32(accumulator, data); return v.ir.CRC32ISO32(accumulator, data);
} }
} else { } else {
switch (sz.ZeroExtend()) { switch (sz.ZeroExtend()) {
case 0b00: case 0b00:
return v.ir.CRC32Castagnoli8(accumulator, v.ir.And(data, v.ir.Imm32(0xFF))); return v.ir.CRC32Castagnoli8(accumulator, data);
case 0b01: case 0b01:
return v.ir.CRC32Castagnoli16(accumulator, v.ir.And(data, v.ir.Imm32(0xFFFF))); return v.ir.CRC32Castagnoli16(accumulator, data);
case 0b10: case 0b10:
return v.ir.CRC32Castagnoli32(accumulator, data); return v.ir.CRC32Castagnoli32(accumulator, data);
} }