diff options
Diffstat (limited to 'src/passes/OptimizeInstructions.cpp')
| -rw-r--r-- | src/passes/OptimizeInstructions.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/passes/OptimizeInstructions.cpp b/src/passes/OptimizeInstructions.cpp index 2a77b408a..263d4a96d 100644 --- a/src/passes/OptimizeInstructions.cpp +++ b/src/passes/OptimizeInstructions.cpp @@ -188,14 +188,14 @@ Index getMaxBits(Expression* curr, LocalInfoProvider* localInfoProvider) { case OrInt32: case XorInt32: return std::max(getMaxBits(binary->left, localInfoProvider), getMaxBits(binary->right, localInfoProvider)); case ShlInt32: { if (auto* shifts = binary->right->dynCast<Const>()) { - return std::min(Index(32), getMaxBits(binary->left, localInfoProvider) + (shifts->value.geti32() & 31)); + return std::min(Index(32), getMaxBits(binary->left, localInfoProvider) + Bits::getEffectiveShifts(shifts)); } return 32; } case ShrUInt32: { if (auto* shift = binary->right->dynCast<Const>()) { auto maxBits = getMaxBits(binary->left, localInfoProvider); - auto shifts = std::min(Index(shift->value.geti32() & 31), maxBits); // can ignore more shifts than zero us out + auto shifts = std::min(Index(Bits::getEffectiveShifts(shift)), maxBits); // can ignore more shifts than zero us out return std::max(Index(0), maxBits - shifts); } return 32; @@ -204,7 +204,7 @@ Index getMaxBits(Expression* curr, LocalInfoProvider* localInfoProvider) { if (auto* shift = binary->right->dynCast<Const>()) { auto maxBits = getMaxBits(binary->left, localInfoProvider); if (maxBits == 32) return 32; - auto shifts = std::min(Index(shift->value.geti32() & 31), maxBits); // can ignore more shifts than zero us out + auto shifts = std::min(Index(Bits::getEffectiveShifts(shift)), maxBits); // can ignore more shifts than zero us out return std::max(Index(0), maxBits - shifts); } return 32; |