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Diffstat (limited to 'src/arch/arm/isa/decoder.isa')
| -rw-r--r-- | src/arch/arm/isa/decoder.isa | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/arch/arm/isa/decoder.isa b/src/arch/arm/isa/decoder.isa index f43395c19..046e52950 100644 --- a/src/arch/arm/isa/decoder.isa +++ b/src/arch/arm/isa/decoder.isa @@ -113,8 +113,7 @@ format DataOp { 0x1: decode OPCODE { 0x9: BranchExchange::bx({{ }}); 0xb: PredOp::clz({{ - unsigned lsb = findLsbSet(Rm); - Rd = (lsb > 31) ? 32 : lsb; + Rd = ((Rm == 0) ? 32 : (31 - findMsbSet(Rm))); }}); } 0x2: decode OPCODE { |