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[Costs] Increase costs for rem by const operations #4291

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[Costs] Increase costs for rem by const operations #4291

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8 changes: 6 additions & 2 deletions src/ir/cost.h
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Original file line number Diff line number Diff line change
Expand Up @@ -251,9 +251,11 @@ struct CostAnalyzer : public OverriddenVisitor<CostAnalyzer, CostType> {
break;
case DivSInt32:
case DivUInt32:
ret = curr->right->is<Const>() ? 2 : 4;
break;
case RemSInt32:
case RemUInt32:
ret = curr->right->is<Const>() ? 2 : 3;
ret = curr->right->is<Const>() ? 3 : 4;
break;
case AndInt32:
case OrInt32:
Expand All @@ -272,9 +274,11 @@ struct CostAnalyzer : public OverriddenVisitor<CostAnalyzer, CostType> {
break;
case DivSInt64:
case DivUInt64:
ret = curr->right->is<Const>() ? 3 : 5;
break;
case RemSInt64:
case RemUInt64:
ret = curr->right->is<Const>() ? 3 : 4;
ret = curr->right->is<Const>() ? 4 : 5;
break;
case AndInt64:
case OrInt64:
Expand Down