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Working on casts

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This commit is contained in:
jespergravgaard 2019-05-17 08:55:04 +02:00
parent 71cedd4d29
commit 0876603ca7
5 changed files with 6 additions and 13 deletions
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4
src/main/java/dk/camelot64/kickc/Compiler.java
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@ -261,12 +261,11 @@ public class Compiler {
optimizations.add(new Pass2TypeInference(program));
optimizations.add(new PassNEliminateUnusedVars(program, true));
optimizations.add(new Pass2EliminateRedundantCasts(program));
optimizations.add(new Pass2NopCastElimination(program));
//optimizations.add(new Pass2NopCastElimination(program));
optimizations.add(new Pass2EliminateUnusedBlocks(program));
optimizations.add(new Pass2RangeResolving(program));
optimizations.add(new Pass2ComparisonOptimization(program));
optimizations.add(new Pass2ConstantCallPointerIdentification(program));
optimizations.add(new Pass2MultiplyToShiftRewriting(program));
optimizations.add(new Pass2SizeOfSimplification(program));
optimizations.add(new Pass2InlineDerefIdx(program));
optimizations.add(new Pass2DeInlineWordDerefIdx(program));
@ -303,6 +302,7 @@ public class Compiler {
private void pass2InlineConstants() {
// Constant inlining optimizations - as the last step to ensure that constant identification has been completed
List<Pass2SsaOptimization> constantOptimizations = new ArrayList<>();
constantOptimizations.add(new Pass2MultiplyToShiftRewriting(program));
constantOptimizations.add(new Pass2AliasElimination(program));
constantOptimizations.add(new Pass2ConstantInlining(program));
constantOptimizations.add(new Pass2ConstantStringConsolidation(program));

4
src/main/java/dk/camelot64/kickc/model/operators/OperatorShiftLeft.java
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@ -26,11 +26,7 @@ public class OperatorShiftLeft extends OperatorBinary {
@Override
public SymbolType inferType(SymbolTypeSimple left, SymbolTypeSimple right) {
if(SymbolType.isInteger(left) && SymbolType.isInteger(right)) {
return SymbolTypeConversion.convertedMathType( (SymbolTypeInteger) left, (SymbolTypeInteger)right);
} else {
return left;
}
}
}

4
src/main/java/dk/camelot64/kickc/model/operators/OperatorShiftRight.java
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@ -25,11 +25,7 @@ public class OperatorShiftRight extends OperatorBinary {
@Override
public SymbolType inferType(SymbolTypeSimple left, SymbolTypeSimple right) {
if(SymbolType.isInteger(left) && SymbolType.isInteger(right)) {
return SymbolTypeConversion.convertedMathType( (SymbolTypeInteger) left, (SymbolTypeInteger)right);
} else {
return left;
}
}

5
src/main/java/dk/camelot64/kickc/passes/Pass2MultiplyToShiftRewriting.java
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@ -6,6 +6,7 @@ import dk.camelot64.kickc.model.Program;
import dk.camelot64.kickc.model.operators.Operators;
import dk.camelot64.kickc.model.statements.Statement;
import dk.camelot64.kickc.model.statements.StatementAssignment;
import dk.camelot64.kickc.model.types.SymbolType;
import dk.camelot64.kickc.model.values.*;
import java.util.ListIterator;
@ -44,12 +45,12 @@ public class Pass2MultiplyToShiftRewriting extends Pass2SsaOptimization {
if(Operators.MULTIPLY.equals(assignment.getOperator())) {
getLog().append("Rewriting multiplication to use shift "+statement.toString(getProgram(), false));
assignment.setOperator(Operators.SHIFT_LEFT);
assignment.setrValue2(new ConstantInteger((long)power2));
assignment.setrValue2(new ConstantInteger((long)power2, SymbolType.BYTE));
optimized = true;
} else if(Operators.DIVIDE.equals(assignment.getOperator())) {
getLog().append("Rewriting division to use shift "+statement.toString(getProgram(), false));
assignment.setOperator(Operators.SHIFT_RIGHT);
assignment.setrValue2(new ConstantInteger((long)power2));
assignment.setrValue2(new ConstantInteger((long)power2, SymbolType.BYTE));
optimized = true;
}
}

2
src/test/java/dk/camelot64/kickc/test/TestPrograms.java
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@ -333,7 +333,7 @@ public class TestPrograms {
@Test
public void testPointerCast2() throws IOException, URISyntaxException {
compileAndCompare("pointer-cast-2");
compileAndCompare("pointer-cast-2", log());
}
@Test