mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-08 17:54:40 +00:00
Struct return values working!
This commit is contained in:
jespergravgaard
parent
a411a57688
commit
869ce161be
@ -218,6 +218,7 @@ public class Compiler {
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//getLog().append(program.getGraph().toString(program));
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program.setGraph(new Pass1ProcedureCallsReturnValue(program).generate());
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new PassNUnwindLValueLists(program).execute();
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getLog().append("\nCONTROL FLOW GRAPH SSA");
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getLog().append(program.getGraph().toString(program));
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@ -35,9 +35,9 @@ public class Pass1GenerateSingleStaticAssignmentForm extends Pass1Base {
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do {
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if(getLog().isVerbosePass1CreateSsa()) {
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getLog().append("Completing Phi functions...");
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//getLog().append(getGraph().toString(getProgram()));
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}
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done = completePhiFunctions();
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//log.append(this.controlFlowGraph.toString(symbols));
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} while(!done);
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return false;
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}
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@ -110,15 +110,17 @@ public class Pass1GenerateSingleStaticAssignmentForm extends Pass1Base {
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programValue.set(version.getRef());
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}
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// Update map of versions encountered in the block
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if(currentStmt instanceof StatementAssignment && programValue instanceof ProgramValue.ProgramValueLValue) {
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StatementAssignment assignment = (StatementAssignment) currentStmt;
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LValue lValue = assignment.getlValue();
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if(currentStmt instanceof StatementLValue && programValue instanceof ProgramValue.ProgramValueLValue) {
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StatementLValue statementLValue = (StatementLValue) currentStmt;
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LValue lValue = statementLValue.getlValue();
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if(lValue instanceof VariableRef) {
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VariableRef lValueRef = (VariableRef) lValue;
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Variable variable = Pass1GenerateSingleStaticAssignmentForm.this.getScope().getVariable(lValueRef);
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if(variable instanceof VariableVersion) {
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VariableVersion versioned = (VariableVersion) variable;
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blockVersions.put(versioned.getVersionOf(), versioned);
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updateBlockVersions((VariableRef) lValue, blockVersions);
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} else if(lValue instanceof ValueList) {
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List<RValue> lValueList = ((ValueList) lValue).getList();
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for(RValue lValueElement : lValueList) {
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if(lValueElement instanceof VariableRef) {
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updateBlockVersions((VariableRef) lValueElement, blockVersions);
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}
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}
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}
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}
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@ -146,6 +148,15 @@ public class Pass1GenerateSingleStaticAssignmentForm extends Pass1Base {
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}
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}
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private void updateBlockVersions(VariableRef lValue, Map<VariableUnversioned, VariableVersion> blockVersions) {
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VariableRef lValueRef = lValue;
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Variable variable = Pass1GenerateSingleStaticAssignmentForm.this.getScope().getVariable(lValueRef);
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if(variable instanceof VariableVersion) {
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VariableVersion versioned = (VariableVersion) variable;
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blockVersions.put(versioned.getVersionOf(), versioned);
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}
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}
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/**
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* Find and return the latest version of an rValue (if it is a non-versioned symbol).
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* If a version is needed and no version is found a new version is created as a phi-function.
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@ -289,11 +300,11 @@ public class Pass1GenerateSingleStaticAssignmentForm extends Pass1Base {
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for(Statement statement : block.getStatements()) {
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if(statement instanceof StatementLValue) {
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StatementLValue assignment = (StatementLValue) statement;
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addSymbolToMap(symbolMap, block, assignment.getlValue());
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addSymbolToMap(assignment.getlValue(), block, symbolMap);
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} else if(statement instanceof StatementPhiBlock) {
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StatementPhiBlock phiBlock = (StatementPhiBlock) statement;
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for(StatementPhiBlock.PhiVariable phiVariable : phiBlock.getPhiVariables()) {
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addSymbolToMap(symbolMap, block, phiVariable.getVariable());
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addSymbolToMap(phiVariable.getVariable(), block, symbolMap);
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}
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}
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}
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@ -301,7 +312,7 @@ public class Pass1GenerateSingleStaticAssignmentForm extends Pass1Base {
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return symbolMap;
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}
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private void addSymbolToMap(Map<LabelRef, Map<VariableUnversioned, VariableVersion>> symbolMap, ControlFlowBlock block, dk.camelot64.kickc.model.values.LValue lValue) {
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private void addSymbolToMap(LValue lValue, ControlFlowBlock block, Map<LabelRef, Map<VariableUnversioned, VariableVersion>> symbolMap) {
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if(lValue instanceof VariableRef) {
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Variable lValueVar = getScope().getVariable((VariableRef) lValue);
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if(lValueVar instanceof VariableVersion) {
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@ -315,6 +326,11 @@ public class Pass1GenerateSingleStaticAssignmentForm extends Pass1Base {
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}
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blockMap.put(unversioned, versioned);
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}
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} else if(lValue instanceof ValueList) {
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for(RValue lValueElement : ((ValueList) lValue).getList()) {
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addSymbolToMap((LValue) lValueElement, block, symbolMap);
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}
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}
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}
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}
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@ -6,6 +6,7 @@ import dk.camelot64.kickc.model.symbols.ConstantVar;
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import dk.camelot64.kickc.model.symbols.StructDefinition;
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import dk.camelot64.kickc.model.symbols.Symbol;
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import dk.camelot64.kickc.model.symbols.VariableUnversioned;
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import dk.camelot64.kickc.model.types.SymbolTypeStruct;
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import dk.camelot64.kickc.model.values.SymbolRef;
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import java.util.Collection;
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@ -44,6 +45,7 @@ public class Pass2AssertSymbols extends Pass2SsaAssertion {
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if(tableSymbol instanceof VariableUnversioned) continue;
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if(tableSymbol instanceof ConstantVar) continue;
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if(tableSymbol instanceof StructDefinition) continue;
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if(tableSymbol.getType() instanceof SymbolTypeStruct) continue;
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Symbol codeSymbol = null;
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String codeSymbolFullName = tableSymbol.getFullName();
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for(Symbol symbol : codeSymbols) {
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@ -53,7 +55,11 @@ public class Pass2AssertSymbols extends Pass2SsaAssertion {
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}
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}
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if(codeSymbol == null) {
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throw new AssertionFailed("Compile process error. Symbol found in symbol table, but not in code. " + codeSymbolFullName);
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if(tableSymbol.getType() instanceof SymbolTypeStruct) {
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getLog().append("Struct no longer used in code "+codeSymbolFullName);
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} else {
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throw new AssertionFailed("Compile process error. Symbol found in symbol table, but not in code. " + codeSymbolFullName);
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}
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}
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}
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}
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@ -82,7 +82,7 @@ public class TestPrograms {
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@Test
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public void testStruct5() throws IOException, URISyntaxException {
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compileAndCompare("struct-5", log().verboseParse().verboseCreateSsa());
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compileAndCompare("struct-5");
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}
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@Test
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@ -1,56 +1,18 @@
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// Minimal struct - array of struct - far pointer math indexing
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// Minimal struct - struct return value
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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.const OFFS_Y = 1
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main: {
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.label SCREEN = $400
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.label point_i = 2
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.label point_i1 = 4
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ldx #0
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b1:
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txa
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asl
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tay
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tya
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clc
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adc #<points
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sta point_i
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lda #>points
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adc #0
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sta point_i+1
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txa
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sta points,y
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txa
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clc
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adc #4
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// points[i].x = i;
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ldy #OFFS_Y
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sta (point_i),y
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inx
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cpx #4
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bne b1
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ldx #0
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b2:
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txa
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asl
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tay
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tya
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clc
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adc #<points
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sta point_i1
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lda #>points
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adc #0
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sta point_i1+1
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lda points,y
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sta SCREEN,x
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// SCREEN[i] = points[i].x;
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ldy #OFFS_Y
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lda (point_i1),y
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sta SCREEN+$28,x
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inx
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cpx #4
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bne b2
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jsr point
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lda #point.p_x
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sta SCREEN
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lda #point.p_y
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sta SCREEN+1
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rts
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}
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point: {
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.label p_x = 2
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.label p_y = 3
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rts
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}
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points: .fill 2*4, 0
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@ -9,26 +9,18 @@
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[3] phi()
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main: scope:[main] from @1
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[4] phi()
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[5] call point
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to:main::@1
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main::@1: scope:[main] from main main::@1
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[5] (byte) main::i#2 ← phi( main/(byte) 0 main::@1/(byte) main::i#1 )
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[6] (byte~) main::$14 ← (byte) main::i#2 << (byte) 1
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[7] (struct Point*) main::point_i#0 ← (const struct Point[4]) points#0 + (byte~) main::$14
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[8] *((byte*)(const struct Point[4]) points#0 + (byte~) main::$14) ← (byte) main::i#2
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[9] (byte~) main::$5 ← (byte) main::i#2 + (byte) 4
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[10] *((byte*)(struct Point*) main::point_i#0 + (const byte) OFFS_Y#0) ← (byte~) main::$5
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[11] (byte) main::i#1 ← ++ (byte) main::i#2
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[12] if((byte) main::i#1!=(byte) 4) goto main::@1
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to:main::@2
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main::@2: scope:[main] from main::@1 main::@2
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[13] (byte) main::i1#2 ← phi( main::@1/(byte) 0 main::@2/(byte) main::i1#1 )
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[14] (byte~) main::$15 ← (byte) main::i1#2 << (byte) 1
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[15] (struct Point*) main::point_i1#0 ← (const struct Point[4]) points#0 + (byte~) main::$15
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[16] *((const byte*) main::SCREEN#0 + (byte) main::i1#2) ← *((byte*)(const struct Point[4]) points#0 + (byte~) main::$15)
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[17] *((const byte*) main::SCREEN#0+(byte) $28 + (byte) main::i1#2) ← *((byte*)(struct Point*) main::point_i1#0 + (const byte) OFFS_Y#0)
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[18] (byte) main::i1#1 ← ++ (byte) main::i1#2
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[19] if((byte) main::i1#1!=(byte) 4) goto main::@2
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main::@1: scope:[main] from main
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[6] *((const byte*) main::SCREEN#0) ← (const byte) point::p_x#0
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[7] *((const byte*) main::SCREEN#0+(byte) 1) ← (const byte) point::p_y#0
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to:main::@return
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main::@return: scope:[main] from main::@2
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[20] return
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main::@return: scope:[main] from main::@1
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[8] return
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to:@return
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point: scope:[point] from main
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[9] phi()
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to:point::@return
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point::@return: scope:[point] from point
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[10] return
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to:@return
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@ -1,234 +1,194 @@
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Fixing pointer addition (struct Point*~) main::$0 ← (struct Point[4]) points + (byte) main::i
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Fixing pointer addition (struct Point*~) main::$7 ← (struct Point[4]) points + (byte) main::i1
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Created struct value member variable (byte) main::q_x
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Created struct value member variable (byte) main::q_y
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Converted struct value to member variables (struct Point) main::q
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Created struct value member variable (byte) main::$0_x
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Created struct value member variable (byte) main::$0_y
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Converted struct value to member variables (struct Point~) main::$0
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Created struct value member variable (byte) point::return_x
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Created struct value member variable (byte) point::return_y
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Converted struct value to member variables (struct Point) point::return
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Created struct value member variable (byte) point::p_x
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Created struct value member variable (byte) point::p_y
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Converted struct value to member variables (struct Point) point::p
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Adding struct value member variable default initializer (byte) main::q_x ← (byte) 0
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Adding struct value member variable default initializer (byte) main::q_y ← (byte) 0
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Converted procedure call LValue to member variables { (byte) main::$0_x, (byte) main::$0_y } ← call point
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Adding struct value member variable copy (byte) main::q_x ← (byte) main::$0_x
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Adding struct value member variable copy (byte) main::q_y ← (byte) main::$0_y
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Adding struct value list initializer (byte) point::p_x ← (number) 2
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Adding struct value list initializer (byte) point::p_y ← (number) 3
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Adding struct value member variable copy (byte) point::return_x ← (byte) point::p_x
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Adding struct value member variable copy (byte) point::return_y ← (byte) point::p_y
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Adding struct value member variable copy (byte) point::return_x ← (byte) point::return_x
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Adding struct value member variable copy (byte) point::return_y ← (byte) point::return_y
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Converted procedure struct return value to member variables return { (byte) point::return_x, (byte) point::return_y }
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Replacing struct member reference (struct Point) main::q.x with member variable reference (byte) main::q_x
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Replacing struct member reference (struct Point) main::q.y with member variable reference (byte) main::q_y
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Adding pointer type conversion cast (byte*) main::SCREEN in (byte*) main::SCREEN ← (number) $400
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Culled Empty Block (label) main::@4
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Identified constant variable (byte) point::p_x
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Identified constant variable (byte) point::p_y
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Culled Empty Block (label) @1
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Culled Empty Block (label) point::@1
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Unwinding list assignment { (byte) main::$0_x, (byte) main::$0_y } ← { (byte) point::return_x, (byte) point::return_y }
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Unwinding list assignment { (byte) point::return_x#0, (byte) point::return_y#0 } ← { (byte) point::return_x#2, (byte) point::return_y#2 }
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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(struct Point[4]) points#0 ← { fill( 4, 0) }
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(byte) OFFS_X#0 ← (number) 0
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(byte) OFFS_Y#0 ← (number) 1
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to:@1
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main: scope:[main] from @1
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(byte) main::i#0 ← (byte) 0
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to:@2
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main: scope:[main] from @2
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(byte) main::q_x#0 ← (byte) 0
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(byte) main::q_y#0 ← (byte) 0
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call point
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(byte) point::return_x#0 ← (byte) point::return_x#2
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(byte) point::return_y#0 ← (byte) point::return_y#2
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to:main::@1
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main::@1: scope:[main] from main main::@1
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(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@1/(byte) main::i#1 )
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(byte~) main::$14 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
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(struct Point*~) main::$0 ← (struct Point[4]) points#0 + (byte~) main::$14
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(struct Point*) main::point_i#0 ← (struct Point*~) main::$0
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(byte*~) main::$1 ← ((byte*)) (struct Point*) main::point_i#0
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(byte*~) main::$2 ← (byte*~) main::$1 + (byte) OFFS_X#0
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*((byte*~) main::$2) ← (byte) main::i#2
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(byte*~) main::$3 ← ((byte*)) (struct Point*) main::point_i#0
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(byte*~) main::$4 ← (byte*~) main::$3 + (byte) OFFS_Y#0
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(number~) main::$5 ← (byte) main::i#2 + (number) 4
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*((byte*~) main::$4) ← (number~) main::$5
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(byte) main::i#1 ← (byte) main::i#2 + rangenext(0,3)
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(bool~) main::$6 ← (byte) main::i#1 != rangelast(0,3)
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if((bool~) main::$6) goto main::@1
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to:main::@2
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main::@2: scope:[main] from main::@1
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main::@1: scope:[main] from main
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(byte) point::return_y#3 ← phi( main/(byte) point::return_y#0 )
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(byte) point::return_x#3 ← phi( main/(byte) point::return_x#0 )
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(byte) main::$0_x ← (byte) point::return_x#3
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(byte) main::$0_y ← (byte) point::return_y#3
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(byte) main::q_x#1 ← (byte) main::$0_x
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(byte) main::q_y#1 ← (byte) main::$0_y
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(byte*) main::SCREEN#0 ← ((byte*)) (number) $400
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(byte) main::i1#0 ← (byte) 0
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to:main::@3
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main::@3: scope:[main] from main::@2 main::@3
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(byte) main::i1#2 ← phi( main::@2/(byte) main::i1#0 main::@3/(byte) main::i1#1 )
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(byte~) main::$15 ← (byte) main::i1#2 * (const byte) SIZEOF_STRUCT_POINT
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(struct Point*~) main::$7 ← (struct Point[4]) points#0 + (byte~) main::$15
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(struct Point*) main::point_i1#0 ← (struct Point*~) main::$7
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(byte*~) main::$8 ← ((byte*)) (struct Point*) main::point_i1#0
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(byte*~) main::$9 ← (byte*~) main::$8 + (byte) OFFS_X#0
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*((byte*) main::SCREEN#0 + (byte) main::i1#2) ← *((byte*~) main::$9)
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(byte*~) main::$10 ← (byte*) main::SCREEN#0 + (number) $28
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(byte*~) main::$11 ← ((byte*)) (struct Point*) main::point_i1#0
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(byte*~) main::$12 ← (byte*~) main::$11 + (byte) OFFS_Y#0
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*((byte*~) main::$10 + (byte) main::i1#2) ← *((byte*~) main::$12)
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(byte) main::i1#1 ← (byte) main::i1#2 + rangenext(0,3)
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(bool~) main::$13 ← (byte) main::i1#1 != rangelast(0,3)
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if((bool~) main::$13) goto main::@3
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*((byte*) main::SCREEN#0 + (number) 0) ← (byte) main::q_x#1
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*((byte*) main::SCREEN#0 + (number) 1) ← (byte) main::q_y#1
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to:main::@return
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main::@return: scope:[main] from main::@3
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main::@return: scope:[main] from main::@1
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return
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to:@return
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@1: scope:[] from @begin
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point: scope:[point] from main
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(byte) point::p_x#0 ← (number) 2
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(byte) point::p_y#0 ← (number) 3
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(byte) point::return_x#1 ← (byte) point::p_x#0
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(byte) point::return_y#1 ← (byte) point::p_y#0
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to:point::@return
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point::@return: scope:[point] from point
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(byte) point::return_y#4 ← phi( point/(byte) point::return_y#1 )
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(byte) point::return_x#4 ← phi( point/(byte) point::return_x#1 )
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(byte) point::return_x#2 ← (byte) point::return_x#4
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(byte) point::return_y#2 ← (byte) point::return_y#4
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return
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to:@return
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@2: scope:[] from @begin
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call main
|
||||
to:@2
|
||||
@2: scope:[] from @1
|
||||
to:@3
|
||||
@3: scope:[] from @2
|
||||
to:@end
|
||||
@end: scope:[] from @2
|
||||
@end: scope:[] from @3
|
||||
|
||||
SYMBOL TABLE SSA
|
||||
(label) @1
|
||||
(label) @2
|
||||
(label) @3
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(byte) OFFS_X
|
||||
(byte) OFFS_X#0
|
||||
(byte) OFFS_Y
|
||||
(byte) OFFS_Y#0
|
||||
(byte) Point::x
|
||||
(byte) Point::y
|
||||
(const byte) SIZEOF_STRUCT_POINT = (byte) 2
|
||||
(void()) main()
|
||||
(struct Point*~) main::$0
|
||||
(byte*~) main::$1
|
||||
(byte*~) main::$10
|
||||
(byte*~) main::$11
|
||||
(byte*~) main::$12
|
||||
(bool~) main::$13
|
||||
(byte~) main::$14
|
||||
(byte~) main::$15
|
||||
(byte*~) main::$2
|
||||
(byte*~) main::$3
|
||||
(byte*~) main::$4
|
||||
(number~) main::$5
|
||||
(bool~) main::$6
|
||||
(struct Point*~) main::$7
|
||||
(byte*~) main::$8
|
||||
(byte*~) main::$9
|
||||
(struct Point~) main::$0
|
||||
(byte) main::$0_x
|
||||
(byte) main::$0_y
|
||||
(label) main::@1
|
||||
(label) main::@2
|
||||
(label) main::@3
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN
|
||||
(byte*) main::SCREEN#0
|
||||
(byte) main::i
|
||||
(byte) main::i#0
|
||||
(byte) main::i#1
|
||||
(byte) main::i#2
|
||||
(byte) main::i1
|
||||
(byte) main::i1#0
|
||||
(byte) main::i1#1
|
||||
(byte) main::i1#2
|
||||
(struct Point*) main::point_i
|
||||
(struct Point*) main::point_i#0
|
||||
(struct Point*) main::point_i1
|
||||
(struct Point*) main::point_i1#0
|
||||
(struct Point[4]) points
|
||||
(struct Point[4]) points#0
|
||||
(struct Point) main::q
|
||||
(byte) main::q_x
|
||||
(byte) main::q_x#0
|
||||
(byte) main::q_x#1
|
||||
(byte) main::q_y
|
||||
(byte) main::q_y#0
|
||||
(byte) main::q_y#1
|
||||
(struct Point()) point()
|
||||
(label) point::@return
|
||||
(struct Point) point::p
|
||||
(byte) point::p_x
|
||||
(byte) point::p_x#0
|
||||
(byte) point::p_y
|
||||
(byte) point::p_y#0
|
||||
(struct Point) point::return
|
||||
(byte) point::return_x
|
||||
(byte) point::return_x#0
|
||||
(byte) point::return_x#1
|
||||
(byte) point::return_x#2
|
||||
(byte) point::return_x#3
|
||||
(byte) point::return_x#4
|
||||
(byte) point::return_y
|
||||
(byte) point::return_y#0
|
||||
(byte) point::return_y#1
|
||||
(byte) point::return_y#2
|
||||
(byte) point::return_y#3
|
||||
(byte) point::return_y#4
|
||||
|
||||
Adding number conversion cast (unumber) 0 in (byte) OFFS_X#0 ← (number) 0
|
||||
Adding number conversion cast (unumber) 1 in (byte) OFFS_Y#0 ← (number) 1
|
||||
Adding number conversion cast (unumber) 4 in (number~) main::$5 ← (byte) main::i#2 + (number) 4
|
||||
Adding number conversion cast (unumber) main::$5 in (number~) main::$5 ← (byte) main::i#2 + (unumber)(number) 4
|
||||
Adding number conversion cast (unumber) $28 in (byte*~) main::$10 ← (byte*) main::SCREEN#0 + (number) $28
|
||||
Adding number conversion cast (unumber) 0 in *((byte*) main::SCREEN#0 + (number) 0) ← (byte) main::q_x#1
|
||||
Adding number conversion cast (unumber) 1 in *((byte*) main::SCREEN#0 + (number) 1) ← (byte) main::q_y#1
|
||||
Adding number conversion cast (unumber) 2 in (byte) point::p_x#0 ← (number) 2
|
||||
Adding number conversion cast (unumber) 3 in (byte) point::p_y#0 ← (number) 3
|
||||
Successful SSA optimization PassNAddNumberTypeConversions
|
||||
Inlining cast (byte) OFFS_X#0 ← (unumber)(number) 0
|
||||
Inlining cast (byte) OFFS_Y#0 ← (unumber)(number) 1
|
||||
Inlining cast (byte*~) main::$1 ← (byte*)(struct Point*) main::point_i#0
|
||||
Inlining cast (byte*~) main::$3 ← (byte*)(struct Point*) main::point_i#0
|
||||
Inlining cast (byte*) main::SCREEN#0 ← (byte*)(number) $400
|
||||
Inlining cast (byte*~) main::$8 ← (byte*)(struct Point*) main::point_i1#0
|
||||
Inlining cast (byte*~) main::$11 ← (byte*)(struct Point*) main::point_i1#0
|
||||
Inlining cast (byte) point::p_x#0 ← (unumber)(number) 2
|
||||
Inlining cast (byte) point::p_y#0 ← (unumber)(number) 3
|
||||
Successful SSA optimization Pass2InlineCast
|
||||
Simplifying constant pointer cast (byte*) 1024
|
||||
Simplifying constant integer cast 0
|
||||
Simplifying constant integer cast 1
|
||||
Simplifying constant integer cast 4
|
||||
Simplifying constant pointer cast (byte*) 1024
|
||||
Simplifying constant integer cast $28
|
||||
Simplifying constant integer cast 2
|
||||
Simplifying constant integer cast 3
|
||||
Successful SSA optimization PassNCastSimplification
|
||||
Finalized unsigned number type (byte) 0
|
||||
Finalized unsigned number type (byte) 1
|
||||
Finalized unsigned number type (byte) 4
|
||||
Finalized unsigned number type (byte) $28
|
||||
Finalized unsigned number type (byte) 2
|
||||
Finalized unsigned number type (byte) 3
|
||||
Successful SSA optimization PassNFinalizeNumberTypeConversions
|
||||
Inferred type updated to byte in (unumber~) main::$5 ← (byte) main::i#2 + (byte) 4
|
||||
Alias (struct Point*) main::point_i#0 = (struct Point*~) main::$0
|
||||
Alias (struct Point*) main::point_i1#0 = (struct Point*~) main::$7
|
||||
Alias (byte) point::return_x#0 = (byte) point::return_x#3
|
||||
Alias (byte) point::return_y#0 = (byte) point::return_y#3
|
||||
Alias (byte) main::q_x#1 = (byte) main::$0_x
|
||||
Alias (byte) main::q_y#1 = (byte) main::$0_y
|
||||
Alias (byte) point::p_x#0 = (byte) point::return_x#1 (byte) point::return_x#4 (byte) point::return_x#2
|
||||
Alias (byte) point::p_y#0 = (byte) point::return_y#1 (byte) point::return_y#4 (byte) point::return_y#2
|
||||
Successful SSA optimization Pass2AliasElimination
|
||||
Simple Condition (bool~) main::$6 [17] if((byte) main::i#1!=rangelast(0,3)) goto main::@1
|
||||
Simple Condition (bool~) main::$13 [33] if((byte) main::i1#1!=rangelast(0,3)) goto main::@3
|
||||
Successful SSA optimization Pass2ConditionalJumpSimplification
|
||||
Constant right-side identified [0] (struct Point[4]) points#0 ← { fill( 4, 0) }
|
||||
Successful SSA optimization Pass2ConstantRValueConsolidation
|
||||
Constant (const struct Point[4]) points#0 = { fill( 4, 0) }
|
||||
Constant (const byte) OFFS_X#0 = 0
|
||||
Constant (const byte) OFFS_Y#0 = 1
|
||||
Constant (const byte) main::i#0 = 0
|
||||
Constant (const byte) main::q_x#0 = 0
|
||||
Constant (const byte) main::q_y#0 = 0
|
||||
Constant (const byte*) main::SCREEN#0 = (byte*) 1024
|
||||
Constant (const byte) main::i1#0 = 0
|
||||
Constant (const byte) point::p_x#0 = 2
|
||||
Constant (const byte) point::p_y#0 = 3
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
Resolved ranged next value [15] main::i#1 ← ++ main::i#2 to ++
|
||||
Resolved ranged comparison value [17] if(main::i#1!=rangelast(0,3)) goto main::@1 to (number) 4
|
||||
Resolved ranged next value [31] main::i1#1 ← ++ main::i1#2 to ++
|
||||
Resolved ranged comparison value [33] if(main::i1#1!=rangelast(0,3)) goto main::@3 to (number) 4
|
||||
Converting *(pointer+n) to pointer[n] [10] *((byte*~) main::$2) ← (byte) main::i#2 -- *(main::$1 + OFFS_X#0)
|
||||
Converting *(pointer+n) to pointer[n] [14] *((byte*~) main::$4) ← (byte~) main::$5 -- *(main::$3 + OFFS_Y#0)
|
||||
Converting *(pointer+n) to pointer[n] [26] *((const byte*) main::SCREEN#0 + (byte) main::i1#2) ← *((byte*~) main::$9) -- *(main::$8 + OFFS_X#0)
|
||||
Converting *(pointer+n) to pointer[n] [30] *((byte*~) main::$10 + (byte) main::i1#2) ← *((byte*~) main::$12) -- *(main::$11 + OFFS_Y#0)
|
||||
Successful SSA optimization Pass2InlineDerefIdx
|
||||
Simplifying expression containing zero main::$1 in [9] (byte*~) main::$2 ← (byte*~) main::$1 + (const byte) OFFS_X#0
|
||||
Simplifying expression containing zero main::$1 in [10] *((byte*~) main::$1 + (const byte) OFFS_X#0) ← (byte) main::i#2
|
||||
Simplifying expression containing zero main::$8 in [25] (byte*~) main::$9 ← (byte*~) main::$8 + (const byte) OFFS_X#0
|
||||
Simplifying expression containing zero main::$8 in [26] *((const byte*) main::SCREEN#0 + (byte) main::i1#2) ← *((byte*~) main::$8 + (const byte) OFFS_X#0)
|
||||
Constant (const byte) point::return_x#0 = point::p_x#0
|
||||
Constant (const byte) point::return_y#0 = point::p_y#0
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
Constant (const byte) main::q_x#1 = point::return_x#0
|
||||
Constant (const byte) main::q_y#1 = point::return_y#0
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
Simplifying expression containing zero main::SCREEN#0 in [11] *((const byte*) main::SCREEN#0 + (byte) 0) ← (const byte) main::q_x#1
|
||||
Successful SSA optimization PassNSimplifyExpressionWithZero
|
||||
Eliminating unused variable (byte*~) main::$2 and assignment [4] (byte*~) main::$2 ← (byte*~) main::$1
|
||||
Eliminating unused variable (byte*~) main::$4 and assignment [7] (byte*~) main::$4 ← (byte*~) main::$3 + (const byte) OFFS_Y#0
|
||||
Eliminating unused variable (byte*~) main::$9 and assignment [16] (byte*~) main::$9 ← (byte*~) main::$8
|
||||
Eliminating unused variable (byte*~) main::$12 and assignment [20] (byte*~) main::$12 ← (byte*~) main::$11 + (const byte) OFFS_Y#0
|
||||
Eliminating unused constant (const byte) OFFS_X#0
|
||||
Eliminating unused constant (const byte) main::q_x#0
|
||||
Eliminating unused constant (const byte) main::q_y#0
|
||||
Successful SSA optimization PassNEliminateUnusedVars
|
||||
Adding number conversion cast (unumber) 4 in if((byte) main::i#1!=(number) 4) goto main::@1
|
||||
Adding number conversion cast (unumber) 4 in if((byte) main::i1#1!=(number) 4) goto main::@3
|
||||
Successful SSA optimization PassNAddNumberTypeConversions
|
||||
Simplifying constant integer cast 4
|
||||
Simplifying constant integer cast 4
|
||||
Successful SSA optimization PassNCastSimplification
|
||||
Finalized unsigned number type (byte) 4
|
||||
Finalized unsigned number type (byte) 4
|
||||
Successful SSA optimization PassNFinalizeNumberTypeConversions
|
||||
Constant right-side identified [15] (byte*~) main::$10 ← (const byte*) main::SCREEN#0 + (byte) $28
|
||||
Successful SSA optimization Pass2ConstantRValueConsolidation
|
||||
Constant (const byte*) main::$10 = main::SCREEN#0+$28
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
Converting *(pointer+n) to pointer[n] [4] *((byte*~) main::$1) ← (byte) main::i#2 -- *((byte*)points#0 + main::$14)
|
||||
Converting *(pointer+n) to pointer[n] [14] *((const byte*) main::SCREEN#0 + (byte) main::i1#2) ← *((byte*~) main::$8) -- *((byte*)points#0 + main::$15)
|
||||
Successful SSA optimization Pass2InlineDerefIdx
|
||||
Eliminating unused variable (byte*~) main::$1 and assignment [3] (byte*~) main::$1 ← (byte*)(struct Point*) main::point_i#0
|
||||
Eliminating unused variable (byte*~) main::$8 and assignment [13] (byte*~) main::$8 ← (byte*)(struct Point*) main::point_i1#0
|
||||
Successful SSA optimization PassNEliminateUnusedVars
|
||||
Constant value identified (byte*)points#0 in [3] *((byte*)(const struct Point[4]) points#0 + (byte~) main::$14) ← (byte) main::i#2
|
||||
Constant value identified (byte*)points#0 in [12] *((const byte*) main::SCREEN#0 + (byte) main::i1#2) ← *((byte*)(const struct Point[4]) points#0 + (byte~) main::$15)
|
||||
Successful SSA optimization Pass2ConstantValues
|
||||
Inlining Noop Cast [4] (byte*~) main::$3 ← (byte*)(struct Point*) main::point_i#0 keeping main::point_i#0
|
||||
Inlining Noop Cast [13] (byte*~) main::$11 ← (byte*)(struct Point*) main::point_i1#0 keeping main::point_i1#0
|
||||
Successful SSA optimization Pass2NopCastInlining
|
||||
Rewriting multiplication to use shift [1] (byte~) main::$14 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
|
||||
Rewriting multiplication to use shift [10] (byte~) main::$15 ← (byte) main::i1#2 * (const byte) SIZEOF_STRUCT_POINT
|
||||
Successful SSA optimization Pass2MultiplyToShiftRewriting
|
||||
Inlining constant with var siblings (const byte) main::i#0
|
||||
Inlining constant with var siblings (const byte) main::i1#0
|
||||
Constant inlined main::i#0 = (byte) 0
|
||||
Constant inlined main::i1#0 = (byte) 0
|
||||
Constant inlined main::$10 = (const byte*) main::SCREEN#0+(byte) $28
|
||||
Constant inlined main::q_x#1 = (const byte) point::p_x#0
|
||||
Constant inlined point::return_y#0 = (const byte) point::p_y#0
|
||||
Constant inlined point::return_x#0 = (const byte) point::p_x#0
|
||||
Constant inlined main::q_y#1 = (const byte) point::p_y#0
|
||||
Successful SSA optimization Pass2ConstantInlining
|
||||
Eliminating unused constant (const byte) SIZEOF_STRUCT_POINT
|
||||
Successful SSA optimization PassNEliminateUnusedVars
|
||||
Added new block during phi lifting main::@5(between main::@1 and main::@1)
|
||||
Added new block during phi lifting main::@6(between main::@3 and main::@3)
|
||||
Consolidated array index constant in *(main::SCREEN#0+1)
|
||||
Successful SSA optimization Pass2ConstantAdditionElimination
|
||||
Adding NOP phi() at start of @begin
|
||||
Adding NOP phi() at start of @1
|
||||
Adding NOP phi() at start of @2
|
||||
Adding NOP phi() at start of @3
|
||||
Adding NOP phi() at start of @end
|
||||
Adding NOP phi() at start of main
|
||||
Adding NOP phi() at start of main::@2
|
||||
Adding NOP phi() at start of point
|
||||
CALL GRAPH
|
||||
Calls in [] to main:2
|
||||
Calls in [main] to point:6
|
||||
|
||||
Created 2 initial phi equivalence classes
|
||||
Coalesced [23] main::i1#3 ← main::i1#1
|
||||
Coalesced [24] main::i#3 ← main::i#1
|
||||
Coalesced down to 2 phi equivalence classes
|
||||
Culled Empty Block (label) @2
|
||||
Culled Empty Block (label) main::@2
|
||||
Culled Empty Block (label) main::@6
|
||||
Culled Empty Block (label) main::@5
|
||||
Renumbering block main::@3 to main::@2
|
||||
Created 0 initial phi equivalence classes
|
||||
Coalesced down to 0 phi equivalence classes
|
||||
Culled Empty Block (label) @3
|
||||
Renumbering block @2 to @1
|
||||
Adding NOP phi() at start of @begin
|
||||
Adding NOP phi() at start of @1
|
||||
Adding NOP phi() at start of @end
|
||||
Adding NOP phi() at start of main
|
||||
Adding NOP phi() at start of point
|
||||
|
||||
FINAL CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
@ -242,86 +202,51 @@ FINAL CONTROL FLOW GRAPH
|
||||
[3] phi()
|
||||
main: scope:[main] from @1
|
||||
[4] phi()
|
||||
[5] call point
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@1
|
||||
[5] (byte) main::i#2 ← phi( main/(byte) 0 main::@1/(byte) main::i#1 )
|
||||
[6] (byte~) main::$14 ← (byte) main::i#2 << (byte) 1
|
||||
[7] (struct Point*) main::point_i#0 ← (const struct Point[4]) points#0 + (byte~) main::$14
|
||||
[8] *((byte*)(const struct Point[4]) points#0 + (byte~) main::$14) ← (byte) main::i#2
|
||||
[9] (byte~) main::$5 ← (byte) main::i#2 + (byte) 4
|
||||
[10] *((byte*)(struct Point*) main::point_i#0 + (const byte) OFFS_Y#0) ← (byte~) main::$5
|
||||
[11] (byte) main::i#1 ← ++ (byte) main::i#2
|
||||
[12] if((byte) main::i#1!=(byte) 4) goto main::@1
|
||||
to:main::@2
|
||||
main::@2: scope:[main] from main::@1 main::@2
|
||||
[13] (byte) main::i1#2 ← phi( main::@1/(byte) 0 main::@2/(byte) main::i1#1 )
|
||||
[14] (byte~) main::$15 ← (byte) main::i1#2 << (byte) 1
|
||||
[15] (struct Point*) main::point_i1#0 ← (const struct Point[4]) points#0 + (byte~) main::$15
|
||||
[16] *((const byte*) main::SCREEN#0 + (byte) main::i1#2) ← *((byte*)(const struct Point[4]) points#0 + (byte~) main::$15)
|
||||
[17] *((const byte*) main::SCREEN#0+(byte) $28 + (byte) main::i1#2) ← *((byte*)(struct Point*) main::point_i1#0 + (const byte) OFFS_Y#0)
|
||||
[18] (byte) main::i1#1 ← ++ (byte) main::i1#2
|
||||
[19] if((byte) main::i1#1!=(byte) 4) goto main::@2
|
||||
main::@1: scope:[main] from main
|
||||
[6] *((const byte*) main::SCREEN#0) ← (const byte) point::p_x#0
|
||||
[7] *((const byte*) main::SCREEN#0+(byte) 1) ← (const byte) point::p_y#0
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@2
|
||||
[20] return
|
||||
main::@return: scope:[main] from main::@1
|
||||
[8] return
|
||||
to:@return
|
||||
point: scope:[point] from main
|
||||
[9] phi()
|
||||
to:point::@return
|
||||
point::@return: scope:[point] from point
|
||||
[10] return
|
||||
to:@return
|
||||
|
||||
|
||||
VARIABLE REGISTER WEIGHTS
|
||||
(byte) OFFS_X
|
||||
(byte) OFFS_Y
|
||||
(byte) Point::x
|
||||
(byte) Point::y
|
||||
(void()) main()
|
||||
(byte~) main::$14 16.5
|
||||
(byte~) main::$15 16.5
|
||||
(byte~) main::$5 22.0
|
||||
(struct Point~) main::$0
|
||||
(byte*) main::SCREEN
|
||||
(byte) main::i
|
||||
(byte) main::i#1 16.5
|
||||
(byte) main::i#2 9.166666666666666
|
||||
(byte) main::i1
|
||||
(byte) main::i1#1 16.5
|
||||
(byte) main::i1#2 11.0
|
||||
(struct Point*) main::point_i
|
||||
(struct Point*) main::point_i#0 3.6666666666666665
|
||||
(struct Point*) main::point_i1
|
||||
(struct Point*) main::point_i1#0 5.5
|
||||
(struct Point[4]) points
|
||||
(struct Point) main::q
|
||||
(byte) main::q_x
|
||||
(byte) main::q_y
|
||||
(struct Point()) point()
|
||||
(struct Point) point::p
|
||||
(byte) point::p_x
|
||||
(byte) point::p_y
|
||||
(struct Point) point::return
|
||||
(byte) point::return_x
|
||||
(byte) point::return_y
|
||||
|
||||
Initial phi equivalence classes
|
||||
[ main::i#2 main::i#1 ]
|
||||
[ main::i1#2 main::i1#1 ]
|
||||
Added variable main::$14 to zero page equivalence class [ main::$14 ]
|
||||
Added variable main::point_i#0 to zero page equivalence class [ main::point_i#0 ]
|
||||
Added variable main::$5 to zero page equivalence class [ main::$5 ]
|
||||
Added variable main::$15 to zero page equivalence class [ main::$15 ]
|
||||
Added variable main::point_i1#0 to zero page equivalence class [ main::point_i1#0 ]
|
||||
Complete equivalence classes
|
||||
[ main::i#2 main::i#1 ]
|
||||
[ main::i1#2 main::i1#1 ]
|
||||
[ main::$14 ]
|
||||
[ main::point_i#0 ]
|
||||
[ main::$5 ]
|
||||
[ main::$15 ]
|
||||
[ main::point_i1#0 ]
|
||||
Allocated zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
|
||||
Allocated zp ZP_BYTE:3 [ main::i1#2 main::i1#1 ]
|
||||
Allocated zp ZP_BYTE:4 [ main::$14 ]
|
||||
Allocated zp ZP_WORD:5 [ main::point_i#0 ]
|
||||
Allocated zp ZP_BYTE:7 [ main::$5 ]
|
||||
Allocated zp ZP_BYTE:8 [ main::$15 ]
|
||||
Allocated zp ZP_WORD:9 [ main::point_i1#0 ]
|
||||
|
||||
INITIAL ASM
|
||||
//SEG0 File Comments
|
||||
// Minimal struct - array of struct - far pointer math indexing
|
||||
// Minimal struct - struct return value
|
||||
//SEG1 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(bbegin)
|
||||
.pc = $80d "Program"
|
||||
//SEG2 Global Constants & labels
|
||||
.const OFFS_Y = 1
|
||||
//SEG3 @begin
|
||||
bbegin:
|
||||
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
@ -341,161 +266,59 @@ bend:
|
||||
//SEG10 main
|
||||
main: {
|
||||
.label SCREEN = $400
|
||||
.label _5 = 7
|
||||
.label _14 = 4
|
||||
.label _15 = 8
|
||||
.label point_i = 5
|
||||
.label i = 2
|
||||
.label point_i1 = 9
|
||||
.label i1 = 3
|
||||
//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
|
||||
b1_from_main:
|
||||
//SEG12 [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
||||
lda #0
|
||||
sta i
|
||||
//SEG11 [5] call point
|
||||
//SEG12 [9] phi from main to point [phi:main->point]
|
||||
point_from_main:
|
||||
jsr point
|
||||
jmp b1
|
||||
//SEG13 [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
||||
b1_from_b1:
|
||||
//SEG14 [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
||||
jmp b1
|
||||
//SEG15 main::@1
|
||||
//SEG13 main::@1
|
||||
b1:
|
||||
//SEG16 [6] (byte~) main::$14 ← (byte) main::i#2 << (byte) 1 -- vbuz1=vbuz2_rol_1
|
||||
lda i
|
||||
asl
|
||||
sta _14
|
||||
//SEG17 [7] (struct Point*) main::point_i#0 ← (const struct Point[4]) points#0 + (byte~) main::$14 -- pssz1=pssc1_plus_vbuz2
|
||||
lda _14
|
||||
clc
|
||||
adc #<points
|
||||
sta point_i
|
||||
lda #>points
|
||||
adc #0
|
||||
sta point_i+1
|
||||
//SEG18 [8] *((byte*)(const struct Point[4]) points#0 + (byte~) main::$14) ← (byte) main::i#2 -- pbuc1_derefidx_vbuz1=vbuz2
|
||||
lda i
|
||||
ldy _14
|
||||
sta points,y
|
||||
//SEG19 [9] (byte~) main::$5 ← (byte) main::i#2 + (byte) 4 -- vbuz1=vbuz2_plus_vbuc1
|
||||
lax i
|
||||
axs #-[4]
|
||||
stx _5
|
||||
//SEG20 [10] *((byte*)(struct Point*) main::point_i#0 + (const byte) OFFS_Y#0) ← (byte~) main::$5 -- pbuz1_derefidx_vbuc1=vbuz2
|
||||
// points[i].x = i;
|
||||
lda _5
|
||||
ldy #OFFS_Y
|
||||
sta (point_i),y
|
||||
//SEG21 [11] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
|
||||
inc i
|
||||
//SEG22 [12] if((byte) main::i#1!=(byte) 4) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
||||
lda #4
|
||||
cmp i
|
||||
bne b1_from_b1
|
||||
//SEG23 [13] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
|
||||
b2_from_b1:
|
||||
//SEG24 [13] phi (byte) main::i1#2 = (byte) 0 [phi:main::@1->main::@2#0] -- vbuz1=vbuc1
|
||||
lda #0
|
||||
sta i1
|
||||
jmp b2
|
||||
//SEG25 [13] phi from main::@2 to main::@2 [phi:main::@2->main::@2]
|
||||
b2_from_b2:
|
||||
//SEG26 [13] phi (byte) main::i1#2 = (byte) main::i1#1 [phi:main::@2->main::@2#0] -- register_copy
|
||||
jmp b2
|
||||
//SEG27 main::@2
|
||||
b2:
|
||||
//SEG28 [14] (byte~) main::$15 ← (byte) main::i1#2 << (byte) 1 -- vbuz1=vbuz2_rol_1
|
||||
lda i1
|
||||
asl
|
||||
sta _15
|
||||
//SEG29 [15] (struct Point*) main::point_i1#0 ← (const struct Point[4]) points#0 + (byte~) main::$15 -- pssz1=pssc1_plus_vbuz2
|
||||
lda _15
|
||||
clc
|
||||
adc #<points
|
||||
sta point_i1
|
||||
lda #>points
|
||||
adc #0
|
||||
sta point_i1+1
|
||||
//SEG30 [16] *((const byte*) main::SCREEN#0 + (byte) main::i1#2) ← *((byte*)(const struct Point[4]) points#0 + (byte~) main::$15) -- pbuc1_derefidx_vbuz1=pbuc2_derefidx_vbuz2
|
||||
ldy _15
|
||||
lda points,y
|
||||
ldy i1
|
||||
sta SCREEN,y
|
||||
//SEG31 [17] *((const byte*) main::SCREEN#0+(byte) $28 + (byte) main::i1#2) ← *((byte*)(struct Point*) main::point_i1#0 + (const byte) OFFS_Y#0) -- pbuc1_derefidx_vbuz1=pbuz2_derefidx_vbuc2
|
||||
// SCREEN[i] = points[i].x;
|
||||
ldx i1
|
||||
ldy #OFFS_Y
|
||||
lda (point_i1),y
|
||||
sta SCREEN+$28,x
|
||||
//SEG32 [18] (byte) main::i1#1 ← ++ (byte) main::i1#2 -- vbuz1=_inc_vbuz1
|
||||
inc i1
|
||||
//SEG33 [19] if((byte) main::i1#1!=(byte) 4) goto main::@2 -- vbuz1_neq_vbuc1_then_la1
|
||||
lda #4
|
||||
cmp i1
|
||||
bne b2_from_b2
|
||||
//SEG14 [6] *((const byte*) main::SCREEN#0) ← (const byte) point::p_x#0 -- _deref_pbuc1=vbuc2
|
||||
lda #point.p_x
|
||||
sta SCREEN
|
||||
//SEG15 [7] *((const byte*) main::SCREEN#0+(byte) 1) ← (const byte) point::p_y#0 -- _deref_pbuc1=vbuc2
|
||||
lda #point.p_y
|
||||
sta SCREEN+1
|
||||
jmp breturn
|
||||
//SEG34 main::@return
|
||||
//SEG16 main::@return
|
||||
breturn:
|
||||
//SEG35 [20] return
|
||||
//SEG17 [8] return
|
||||
rts
|
||||
}
|
||||
//SEG18 point
|
||||
point: {
|
||||
.label p_x = 2
|
||||
.label p_y = 3
|
||||
jmp breturn
|
||||
//SEG19 point::@return
|
||||
breturn:
|
||||
//SEG20 [10] return
|
||||
rts
|
||||
}
|
||||
points: .fill 2*4, 0
|
||||
|
||||
REGISTER UPLIFT POTENTIAL REGISTERS
|
||||
Statement [6] (byte~) main::$14 ← (byte) main::i#2 << (byte) 1 [ main::i#2 main::$14 ] ( main:2 [ main::i#2 main::$14 ] ) always clobbers reg byte a
|
||||
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
|
||||
Statement [7] (struct Point*) main::point_i#0 ← (const struct Point[4]) points#0 + (byte~) main::$14 [ main::i#2 main::$14 main::point_i#0 ] ( main:2 [ main::i#2 main::$14 main::point_i#0 ] ) always clobbers reg byte a
|
||||
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:4 [ main::$14 ]
|
||||
Statement [8] *((byte*)(const struct Point[4]) points#0 + (byte~) main::$14) ← (byte) main::i#2 [ main::i#2 main::point_i#0 ] ( main:2 [ main::i#2 main::point_i#0 ] ) always clobbers reg byte a
|
||||
Statement [9] (byte~) main::$5 ← (byte) main::i#2 + (byte) 4 [ main::i#2 main::point_i#0 main::$5 ] ( main:2 [ main::i#2 main::point_i#0 main::$5 ] ) always clobbers reg byte a
|
||||
Statement [10] *((byte*)(struct Point*) main::point_i#0 + (const byte) OFFS_Y#0) ← (byte~) main::$5 [ main::i#2 ] ( main:2 [ main::i#2 ] ) always clobbers reg byte y
|
||||
Removing always clobbered register reg byte y as potential for zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
|
||||
Statement [14] (byte~) main::$15 ← (byte) main::i1#2 << (byte) 1 [ main::i1#2 main::$15 ] ( main:2 [ main::i1#2 main::$15 ] ) always clobbers reg byte a
|
||||
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:3 [ main::i1#2 main::i1#1 ]
|
||||
Statement [15] (struct Point*) main::point_i1#0 ← (const struct Point[4]) points#0 + (byte~) main::$15 [ main::i1#2 main::$15 main::point_i1#0 ] ( main:2 [ main::i1#2 main::$15 main::point_i1#0 ] ) always clobbers reg byte a
|
||||
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:8 [ main::$15 ]
|
||||
Statement [16] *((const byte*) main::SCREEN#0 + (byte) main::i1#2) ← *((byte*)(const struct Point[4]) points#0 + (byte~) main::$15) [ main::i1#2 main::point_i1#0 ] ( main:2 [ main::i1#2 main::point_i1#0 ] ) always clobbers reg byte a
|
||||
Statement [17] *((const byte*) main::SCREEN#0+(byte) $28 + (byte) main::i1#2) ← *((byte*)(struct Point*) main::point_i1#0 + (const byte) OFFS_Y#0) [ main::i1#2 ] ( main:2 [ main::i1#2 ] ) always clobbers reg byte a reg byte y
|
||||
Removing always clobbered register reg byte y as potential for zp ZP_BYTE:3 [ main::i1#2 main::i1#1 ]
|
||||
Statement [6] (byte~) main::$14 ← (byte) main::i#2 << (byte) 1 [ main::i#2 main::$14 ] ( main:2 [ main::i#2 main::$14 ] ) always clobbers reg byte a
|
||||
Statement [7] (struct Point*) main::point_i#0 ← (const struct Point[4]) points#0 + (byte~) main::$14 [ main::i#2 main::$14 main::point_i#0 ] ( main:2 [ main::i#2 main::$14 main::point_i#0 ] ) always clobbers reg byte a
|
||||
Statement [8] *((byte*)(const struct Point[4]) points#0 + (byte~) main::$14) ← (byte) main::i#2 [ main::i#2 main::point_i#0 ] ( main:2 [ main::i#2 main::point_i#0 ] ) always clobbers reg byte a
|
||||
Statement [9] (byte~) main::$5 ← (byte) main::i#2 + (byte) 4 [ main::i#2 main::point_i#0 main::$5 ] ( main:2 [ main::i#2 main::point_i#0 main::$5 ] ) always clobbers reg byte a
|
||||
Statement [10] *((byte*)(struct Point*) main::point_i#0 + (const byte) OFFS_Y#0) ← (byte~) main::$5 [ main::i#2 ] ( main:2 [ main::i#2 ] ) always clobbers reg byte y
|
||||
Statement [14] (byte~) main::$15 ← (byte) main::i1#2 << (byte) 1 [ main::i1#2 main::$15 ] ( main:2 [ main::i1#2 main::$15 ] ) always clobbers reg byte a
|
||||
Statement [15] (struct Point*) main::point_i1#0 ← (const struct Point[4]) points#0 + (byte~) main::$15 [ main::i1#2 main::$15 main::point_i1#0 ] ( main:2 [ main::i1#2 main::$15 main::point_i1#0 ] ) always clobbers reg byte a
|
||||
Statement [16] *((const byte*) main::SCREEN#0 + (byte) main::i1#2) ← *((byte*)(const struct Point[4]) points#0 + (byte~) main::$15) [ main::i1#2 main::point_i1#0 ] ( main:2 [ main::i1#2 main::point_i1#0 ] ) always clobbers reg byte a
|
||||
Statement [17] *((const byte*) main::SCREEN#0+(byte) $28 + (byte) main::i1#2) ← *((byte*)(struct Point*) main::point_i1#0 + (const byte) OFFS_Y#0) [ main::i1#2 ] ( main:2 [ main::i1#2 ] ) always clobbers reg byte a reg byte y
|
||||
Potential registers zp ZP_BYTE:2 [ main::i#2 main::i#1 ] : zp ZP_BYTE:2 , reg byte x ,
|
||||
Potential registers zp ZP_BYTE:3 [ main::i1#2 main::i1#1 ] : zp ZP_BYTE:3 , reg byte x ,
|
||||
Potential registers zp ZP_BYTE:4 [ main::$14 ] : zp ZP_BYTE:4 , reg byte x , reg byte y ,
|
||||
Potential registers zp ZP_WORD:5 [ main::point_i#0 ] : zp ZP_WORD:5 ,
|
||||
Potential registers zp ZP_BYTE:7 [ main::$5 ] : zp ZP_BYTE:7 , reg byte a , reg byte x , reg byte y ,
|
||||
Potential registers zp ZP_BYTE:8 [ main::$15 ] : zp ZP_BYTE:8 , reg byte x , reg byte y ,
|
||||
Potential registers zp ZP_WORD:9 [ main::point_i1#0 ] : zp ZP_WORD:9 ,
|
||||
Statement [6] *((const byte*) main::SCREEN#0) ← (const byte) point::p_x#0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [7] *((const byte*) main::SCREEN#0+(byte) 1) ← (const byte) point::p_y#0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
|
||||
REGISTER UPLIFT SCOPES
|
||||
Uplift Scope [main] 27.5: zp ZP_BYTE:3 [ main::i1#2 main::i1#1 ] 25.67: zp ZP_BYTE:2 [ main::i#2 main::i#1 ] 22: zp ZP_BYTE:7 [ main::$5 ] 16.5: zp ZP_BYTE:4 [ main::$14 ] 16.5: zp ZP_BYTE:8 [ main::$15 ] 5.5: zp ZP_WORD:9 [ main::point_i1#0 ] 3.67: zp ZP_WORD:5 [ main::point_i#0 ]
|
||||
Uplift Scope [Point]
|
||||
Uplift Scope [main]
|
||||
Uplift Scope [point]
|
||||
Uplift Scope []
|
||||
|
||||
Uplifting [main] best 1258 combination reg byte x [ main::i1#2 main::i1#1 ] reg byte x [ main::i#2 main::i#1 ] reg byte a [ main::$5 ] reg byte y [ main::$14 ] zp ZP_BYTE:8 [ main::$15 ] zp ZP_WORD:9 [ main::point_i1#0 ] zp ZP_WORD:5 [ main::point_i#0 ]
|
||||
Limited combination testing to 100 combinations of 144 possible.
|
||||
Uplifting [Point] best 1258 combination
|
||||
Uplifting [] best 1258 combination
|
||||
Attempting to uplift remaining variables inzp ZP_BYTE:8 [ main::$15 ]
|
||||
Uplifting [main] best 1208 combination reg byte y [ main::$15 ]
|
||||
Allocated (was zp ZP_WORD:5) zp ZP_WORD:2 [ main::point_i#0 ]
|
||||
Allocated (was zp ZP_WORD:9) zp ZP_WORD:4 [ main::point_i1#0 ]
|
||||
Uplifting [Point] best 78 combination
|
||||
Uplifting [main] best 78 combination
|
||||
Uplifting [point] best 78 combination
|
||||
Uplifting [] best 78 combination
|
||||
|
||||
ASSEMBLER BEFORE OPTIMIZATION
|
||||
//SEG0 File Comments
|
||||
// Minimal struct - array of struct - far pointer math indexing
|
||||
// Minimal struct - struct return value
|
||||
//SEG1 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(bbegin)
|
||||
.pc = $80d "Program"
|
||||
//SEG2 Global Constants & labels
|
||||
.const OFFS_Y = 1
|
||||
//SEG3 @begin
|
||||
bbegin:
|
||||
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
@ -515,118 +338,57 @@ bend:
|
||||
//SEG10 main
|
||||
main: {
|
||||
.label SCREEN = $400
|
||||
.label point_i = 2
|
||||
.label point_i1 = 4
|
||||
//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
|
||||
b1_from_main:
|
||||
//SEG12 [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
||||
ldx #0
|
||||
//SEG11 [5] call point
|
||||
//SEG12 [9] phi from main to point [phi:main->point]
|
||||
point_from_main:
|
||||
jsr point
|
||||
jmp b1
|
||||
//SEG13 [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
||||
b1_from_b1:
|
||||
//SEG14 [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
||||
jmp b1
|
||||
//SEG15 main::@1
|
||||
//SEG13 main::@1
|
||||
b1:
|
||||
//SEG16 [6] (byte~) main::$14 ← (byte) main::i#2 << (byte) 1 -- vbuyy=vbuxx_rol_1
|
||||
txa
|
||||
asl
|
||||
tay
|
||||
//SEG17 [7] (struct Point*) main::point_i#0 ← (const struct Point[4]) points#0 + (byte~) main::$14 -- pssz1=pssc1_plus_vbuyy
|
||||
tya
|
||||
clc
|
||||
adc #<points
|
||||
sta point_i
|
||||
lda #>points
|
||||
adc #0
|
||||
sta point_i+1
|
||||
//SEG18 [8] *((byte*)(const struct Point[4]) points#0 + (byte~) main::$14) ← (byte) main::i#2 -- pbuc1_derefidx_vbuyy=vbuxx
|
||||
txa
|
||||
sta points,y
|
||||
//SEG19 [9] (byte~) main::$5 ← (byte) main::i#2 + (byte) 4 -- vbuaa=vbuxx_plus_vbuc1
|
||||
txa
|
||||
clc
|
||||
adc #4
|
||||
//SEG20 [10] *((byte*)(struct Point*) main::point_i#0 + (const byte) OFFS_Y#0) ← (byte~) main::$5 -- pbuz1_derefidx_vbuc1=vbuaa
|
||||
// points[i].x = i;
|
||||
ldy #OFFS_Y
|
||||
sta (point_i),y
|
||||
//SEG21 [11] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
|
||||
inx
|
||||
//SEG22 [12] if((byte) main::i#1!=(byte) 4) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
|
||||
cpx #4
|
||||
bne b1_from_b1
|
||||
//SEG23 [13] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
|
||||
b2_from_b1:
|
||||
//SEG24 [13] phi (byte) main::i1#2 = (byte) 0 [phi:main::@1->main::@2#0] -- vbuxx=vbuc1
|
||||
ldx #0
|
||||
jmp b2
|
||||
//SEG25 [13] phi from main::@2 to main::@2 [phi:main::@2->main::@2]
|
||||
b2_from_b2:
|
||||
//SEG26 [13] phi (byte) main::i1#2 = (byte) main::i1#1 [phi:main::@2->main::@2#0] -- register_copy
|
||||
jmp b2
|
||||
//SEG27 main::@2
|
||||
b2:
|
||||
//SEG28 [14] (byte~) main::$15 ← (byte) main::i1#2 << (byte) 1 -- vbuyy=vbuxx_rol_1
|
||||
txa
|
||||
asl
|
||||
tay
|
||||
//SEG29 [15] (struct Point*) main::point_i1#0 ← (const struct Point[4]) points#0 + (byte~) main::$15 -- pssz1=pssc1_plus_vbuyy
|
||||
tya
|
||||
clc
|
||||
adc #<points
|
||||
sta point_i1
|
||||
lda #>points
|
||||
adc #0
|
||||
sta point_i1+1
|
||||
//SEG30 [16] *((const byte*) main::SCREEN#0 + (byte) main::i1#2) ← *((byte*)(const struct Point[4]) points#0 + (byte~) main::$15) -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_vbuyy
|
||||
lda points,y
|
||||
sta SCREEN,x
|
||||
//SEG31 [17] *((const byte*) main::SCREEN#0+(byte) $28 + (byte) main::i1#2) ← *((byte*)(struct Point*) main::point_i1#0 + (const byte) OFFS_Y#0) -- pbuc1_derefidx_vbuxx=pbuz1_derefidx_vbuc2
|
||||
// SCREEN[i] = points[i].x;
|
||||
ldy #OFFS_Y
|
||||
lda (point_i1),y
|
||||
sta SCREEN+$28,x
|
||||
//SEG32 [18] (byte) main::i1#1 ← ++ (byte) main::i1#2 -- vbuxx=_inc_vbuxx
|
||||
inx
|
||||
//SEG33 [19] if((byte) main::i1#1!=(byte) 4) goto main::@2 -- vbuxx_neq_vbuc1_then_la1
|
||||
cpx #4
|
||||
bne b2_from_b2
|
||||
//SEG14 [6] *((const byte*) main::SCREEN#0) ← (const byte) point::p_x#0 -- _deref_pbuc1=vbuc2
|
||||
lda #point.p_x
|
||||
sta SCREEN
|
||||
//SEG15 [7] *((const byte*) main::SCREEN#0+(byte) 1) ← (const byte) point::p_y#0 -- _deref_pbuc1=vbuc2
|
||||
lda #point.p_y
|
||||
sta SCREEN+1
|
||||
jmp breturn
|
||||
//SEG34 main::@return
|
||||
//SEG16 main::@return
|
||||
breturn:
|
||||
//SEG35 [20] return
|
||||
//SEG17 [8] return
|
||||
rts
|
||||
}
|
||||
//SEG18 point
|
||||
point: {
|
||||
.label p_x = 2
|
||||
.label p_y = 3
|
||||
jmp breturn
|
||||
//SEG19 point::@return
|
||||
breturn:
|
||||
//SEG20 [10] return
|
||||
rts
|
||||
}
|
||||
points: .fill 2*4, 0
|
||||
|
||||
ASSEMBLER OPTIMIZATIONS
|
||||
Removing instruction jmp b1
|
||||
Removing instruction jmp bend
|
||||
Removing instruction jmp b1
|
||||
Removing instruction jmp b2
|
||||
Removing instruction jmp breturn
|
||||
Removing instruction jmp breturn
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
Replacing label b1_from_b1 with b1
|
||||
Replacing label b2_from_b2 with b2
|
||||
Removing instruction b1_from_bbegin:
|
||||
Removing instruction b1:
|
||||
Removing instruction main_from_b1:
|
||||
Removing instruction bend_from_b1:
|
||||
Removing instruction b1_from_b1:
|
||||
Removing instruction b2_from_b2:
|
||||
Succesful ASM optimization Pass5RedundantLabelElimination
|
||||
Removing instruction bend:
|
||||
Removing instruction b1_from_main:
|
||||
Removing instruction b2_from_b1:
|
||||
Removing instruction point_from_main:
|
||||
Removing instruction b1:
|
||||
Removing instruction breturn:
|
||||
Removing instruction breturn:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
Updating BasicUpstart to call main directly
|
||||
Removing instruction jsr main
|
||||
Succesful ASM optimization Pass5SkipBegin
|
||||
Removing instruction jmp b1
|
||||
Removing instruction jmp b2
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
Removing instruction bbegin:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
|
||||
@ -634,53 +396,40 @@ FINAL SYMBOL TABLE
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(byte) OFFS_X
|
||||
(byte) OFFS_Y
|
||||
(const byte) OFFS_Y#0 OFFS_Y = (byte) 1
|
||||
(byte) Point::x
|
||||
(byte) Point::y
|
||||
(void()) main()
|
||||
(byte~) main::$14 reg byte y 16.5
|
||||
(byte~) main::$15 reg byte y 16.5
|
||||
(byte~) main::$5 reg byte a 22.0
|
||||
(struct Point~) main::$0
|
||||
(label) main::@1
|
||||
(label) main::@2
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN
|
||||
(const byte*) main::SCREEN#0 SCREEN = (byte*) 1024
|
||||
(byte) main::i
|
||||
(byte) main::i#1 reg byte x 16.5
|
||||
(byte) main::i#2 reg byte x 9.166666666666666
|
||||
(byte) main::i1
|
||||
(byte) main::i1#1 reg byte x 16.5
|
||||
(byte) main::i1#2 reg byte x 11.0
|
||||
(struct Point*) main::point_i
|
||||
(struct Point*) main::point_i#0 point_i zp ZP_WORD:2 3.6666666666666665
|
||||
(struct Point*) main::point_i1
|
||||
(struct Point*) main::point_i1#0 point_i1 zp ZP_WORD:4 5.5
|
||||
(struct Point[4]) points
|
||||
(const struct Point[4]) points#0 points = { fill( 4, 0) }
|
||||
(struct Point) main::q
|
||||
(byte) main::q_x
|
||||
(byte) main::q_y
|
||||
(struct Point()) point()
|
||||
(label) point::@return
|
||||
(struct Point) point::p
|
||||
(byte) point::p_x
|
||||
(const byte) point::p_x#0 p_x = (byte) 2
|
||||
(byte) point::p_y
|
||||
(const byte) point::p_y#0 p_y = (byte) 3
|
||||
(struct Point) point::return
|
||||
(byte) point::return_x
|
||||
(byte) point::return_y
|
||||
|
||||
reg byte x [ main::i#2 main::i#1 ]
|
||||
reg byte x [ main::i1#2 main::i1#1 ]
|
||||
reg byte y [ main::$14 ]
|
||||
zp ZP_WORD:2 [ main::point_i#0 ]
|
||||
reg byte a [ main::$5 ]
|
||||
reg byte y [ main::$15 ]
|
||||
zp ZP_WORD:4 [ main::point_i1#0 ]
|
||||
|
||||
|
||||
FINAL ASSEMBLER
|
||||
Score: 1046
|
||||
Score: 30
|
||||
|
||||
//SEG0 File Comments
|
||||
// Minimal struct - array of struct - far pointer math indexing
|
||||
// Minimal struct - struct return value
|
||||
//SEG1 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
//SEG2 Global Constants & labels
|
||||
.const OFFS_Y = 1
|
||||
//SEG3 @begin
|
||||
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
//SEG5 @1
|
||||
@ -691,78 +440,26 @@ Score: 1046
|
||||
//SEG10 main
|
||||
main: {
|
||||
.label SCREEN = $400
|
||||
.label point_i = 2
|
||||
.label point_i1 = 4
|
||||
//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
|
||||
//SEG12 [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
||||
ldx #0
|
||||
//SEG13 [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
||||
//SEG14 [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
||||
//SEG15 main::@1
|
||||
b1:
|
||||
//SEG16 [6] (byte~) main::$14 ← (byte) main::i#2 << (byte) 1 -- vbuyy=vbuxx_rol_1
|
||||
txa
|
||||
asl
|
||||
tay
|
||||
//SEG17 [7] (struct Point*) main::point_i#0 ← (const struct Point[4]) points#0 + (byte~) main::$14 -- pssz1=pssc1_plus_vbuyy
|
||||
tya
|
||||
clc
|
||||
adc #<points
|
||||
sta point_i
|
||||
lda #>points
|
||||
adc #0
|
||||
sta point_i+1
|
||||
//SEG18 [8] *((byte*)(const struct Point[4]) points#0 + (byte~) main::$14) ← (byte) main::i#2 -- pbuc1_derefidx_vbuyy=vbuxx
|
||||
txa
|
||||
sta points,y
|
||||
//SEG19 [9] (byte~) main::$5 ← (byte) main::i#2 + (byte) 4 -- vbuaa=vbuxx_plus_vbuc1
|
||||
txa
|
||||
clc
|
||||
adc #4
|
||||
//SEG20 [10] *((byte*)(struct Point*) main::point_i#0 + (const byte) OFFS_Y#0) ← (byte~) main::$5 -- pbuz1_derefidx_vbuc1=vbuaa
|
||||
// points[i].x = i;
|
||||
ldy #OFFS_Y
|
||||
sta (point_i),y
|
||||
//SEG21 [11] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
|
||||
inx
|
||||
//SEG22 [12] if((byte) main::i#1!=(byte) 4) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
|
||||
cpx #4
|
||||
bne b1
|
||||
//SEG23 [13] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
|
||||
//SEG24 [13] phi (byte) main::i1#2 = (byte) 0 [phi:main::@1->main::@2#0] -- vbuxx=vbuc1
|
||||
ldx #0
|
||||
//SEG25 [13] phi from main::@2 to main::@2 [phi:main::@2->main::@2]
|
||||
//SEG26 [13] phi (byte) main::i1#2 = (byte) main::i1#1 [phi:main::@2->main::@2#0] -- register_copy
|
||||
//SEG27 main::@2
|
||||
b2:
|
||||
//SEG28 [14] (byte~) main::$15 ← (byte) main::i1#2 << (byte) 1 -- vbuyy=vbuxx_rol_1
|
||||
txa
|
||||
asl
|
||||
tay
|
||||
//SEG29 [15] (struct Point*) main::point_i1#0 ← (const struct Point[4]) points#0 + (byte~) main::$15 -- pssz1=pssc1_plus_vbuyy
|
||||
tya
|
||||
clc
|
||||
adc #<points
|
||||
sta point_i1
|
||||
lda #>points
|
||||
adc #0
|
||||
sta point_i1+1
|
||||
//SEG30 [16] *((const byte*) main::SCREEN#0 + (byte) main::i1#2) ← *((byte*)(const struct Point[4]) points#0 + (byte~) main::$15) -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_vbuyy
|
||||
lda points,y
|
||||
sta SCREEN,x
|
||||
//SEG31 [17] *((const byte*) main::SCREEN#0+(byte) $28 + (byte) main::i1#2) ← *((byte*)(struct Point*) main::point_i1#0 + (const byte) OFFS_Y#0) -- pbuc1_derefidx_vbuxx=pbuz1_derefidx_vbuc2
|
||||
// SCREEN[i] = points[i].x;
|
||||
ldy #OFFS_Y
|
||||
lda (point_i1),y
|
||||
sta SCREEN+$28,x
|
||||
//SEG32 [18] (byte) main::i1#1 ← ++ (byte) main::i1#2 -- vbuxx=_inc_vbuxx
|
||||
inx
|
||||
//SEG33 [19] if((byte) main::i1#1!=(byte) 4) goto main::@2 -- vbuxx_neq_vbuc1_then_la1
|
||||
cpx #4
|
||||
bne b2
|
||||
//SEG34 main::@return
|
||||
//SEG35 [20] return
|
||||
//SEG11 [5] call point
|
||||
//SEG12 [9] phi from main to point [phi:main->point]
|
||||
jsr point
|
||||
//SEG13 main::@1
|
||||
//SEG14 [6] *((const byte*) main::SCREEN#0) ← (const byte) point::p_x#0 -- _deref_pbuc1=vbuc2
|
||||
lda #point.p_x
|
||||
sta SCREEN
|
||||
//SEG15 [7] *((const byte*) main::SCREEN#0+(byte) 1) ← (const byte) point::p_y#0 -- _deref_pbuc1=vbuc2
|
||||
lda #point.p_y
|
||||
sta SCREEN+1
|
||||
//SEG16 main::@return
|
||||
//SEG17 [8] return
|
||||
rts
|
||||
}
|
||||
//SEG18 point
|
||||
point: {
|
||||
.label p_x = 2
|
||||
.label p_y = 3
|
||||
//SEG19 point::@return
|
||||
//SEG20 [10] return
|
||||
rts
|
||||
}
|
||||
points: .fill 2*4, 0
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user