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https://gitlab.com/camelot/kickc.git
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Added address-of test identifying problems with address-of implementation. Error is #200
This commit is contained in:
jespergravgaard
parent
ef38dca7af
commit
114a237e24
@ -170,7 +170,6 @@ public class Compiler {
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new Pass1AssertReturn(program).execute();
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new Pass1AssertUsedVars(program).execute();
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if(getLog().isVerbosePass1CreateSsa()) {
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getLog().append("SYMBOLS");
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getLog().append(program.getScope().toString(program, null));
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@ -230,7 +230,6 @@ public class Pass1UnwindStructValues extends Pass1Base {
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for(Variable variable : getScope().getAllVariables(true)) {
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if(variable.getType() instanceof SymbolTypeStruct) {
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if(structUnwinding.getVariableUnwinding(variable.getRef()) == null) {
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if(!variable.isDeclaredVolatile() && !Pass2ConstantIdentification.isAddressOfUsed(variable.getRef(), getProgram())) {
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// A non-volatile struct variable
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Scope scope = variable.getScope();
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if(!(scope instanceof StructDefinition)) {
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@ -244,13 +243,14 @@ public class Pass1UnwindStructValues extends Pass1Base {
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} else {
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memberVariable = scope.addVariable(variable.getLocalName() + "_" + member.getLocalName(), member.getType());
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}
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memberVariable.setDeclaredVolatile(variable.isDeclaredVolatile());
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memberVariable.setDeclaredConstant(variable.isDeclaredConstant());
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variableUnwinding.setMemberUnwinding(member.getLocalName(), memberVariable.getRef());
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getLog().append("Created struct value member variable " + memberVariable.toString(getProgram()));
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}
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getLog().append("Converted struct value to member variables " + variable.toString(getProgram()));
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modified = true;
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}
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}
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}
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}
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}
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@ -396,6 +396,25 @@ public class Pass1UnwindStructValues extends Pass1Base {
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return structVariables.get(ref);
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}
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/**
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* Find the struct variable that the passed symbol was unwound from.
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*
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* @param symbolRef The symbol to look for
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* @return The struct variable containing it. null if the passed symbol is not an unwound variable.
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*/
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public VariableRef getContainingStructVariable(SymbolRef symbolRef) {
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for(VariableRef structVarRef : structVariables.keySet()) {
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VariableUnwinding variableUnwinding = getVariableUnwinding(structVarRef);
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for(String memberName : variableUnwinding.getMemberNames()) {
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LValue memberUnwinding = variableUnwinding.getMemberUnwinding(memberName);
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if(memberUnwinding instanceof VariableRef && memberUnwinding.equals(symbolRef)) {
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return structVarRef;
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}
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}
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}
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return null;
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}
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/** Information about how a single struct variable was unwound. */
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static class VariableUnwinding implements StructMemberUnwinding {
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@ -295,6 +295,7 @@ public class Pass2ConstantIdentification extends Pass2SsaOptimization {
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*/
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public static boolean isAddressOfUsed(SymbolRef symbolRef, Program program) {
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final boolean[] found = {false};
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// Examine all program values in expressions
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ProgramValueIterator.execute(program, (programValue, currentStmt, stmtIt, currentBlock) -> {
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Value value = programValue.get();
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if(value instanceof ConstantSymbolPointer) {
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@ -308,6 +309,7 @@ public class Pass2ConstantIdentification extends Pass2SsaOptimization {
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return true;
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}
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// Examine all statements
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for(ControlFlowBlock block : program.getGraph().getAllBlocks()) {
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for(Statement statement : block.getStatements()) {
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if(statement instanceof StatementAssignment) {
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@ -318,6 +320,14 @@ public class Pass2ConstantIdentification extends Pass2SsaOptimization {
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}
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}
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}
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// If the symbol is part of an unwound struct - look at the struct itself
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Pass1UnwindStructValues.StructUnwinding structUnwinding = program.getStructUnwinding();
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VariableRef structVarRef = structUnwinding.getContainingStructVariable(symbolRef);
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if(structVarRef!=null) {
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return isAddressOfUsed(structVarRef, program);
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}
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return false;
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}
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@ -89,10 +89,4 @@ public class Pass4RegisterUpliftPotentialInitialize extends Pass2Base {
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return false;
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}
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private boolean hasIntersection(Collection<VariableRef> vars1, List<VariableRef> vars2) {
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ArrayList<VariableRef> set = new ArrayList<>(vars1);
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set.retainAll(vars2);
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return set.size() > 0;
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}
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}
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@ -73,12 +73,12 @@ public class TestPrograms {
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compileAndCompare("struct-ptr-13");
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}
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/* TODO: Implement address-of (&) for struct values
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@Test
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public void testStructPtr12Ref() throws IOException, URISyntaxException {
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compileAndCompare("struct-ptr-12-ref", log());
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}
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/*
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@Test
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public void testStructPtr12() throws IOException, URISyntaxException {
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compileAndCompare("struct-ptr-12", log().verboseCreateSsa().verboseParse().verboseStatementSequence());
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@ -1706,13 +1706,18 @@ public class TestPrograms {
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}
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@Test
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public void testAddressOfParam() throws IOException, URISyntaxException {
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compileAndCompare("test-address-of-param");
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public void testAddressOf2() throws IOException, URISyntaxException {
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compileAndCompare("address-of-2");
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}
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@Test
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public void testAddressOf() throws IOException, URISyntaxException {
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compileAndCompare("test-address-of");
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public void testAddressOf1() throws IOException, URISyntaxException {
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compileAndCompare("address-of-1");
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}
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@Test
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public void testAddressOf0() throws IOException, URISyntaxException {
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compileAndCompare("address-of-0");
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}
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@Test
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@ -1,3 +1,4 @@
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// Test address-of - use the pointer to get the value
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void main() {
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byte* SCREEN = $400;
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@ -1,3 +1,4 @@
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// Test address-of - pass the pointer as parameter
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void main() {
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byte* SCREEN = $400;
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42
src/test/kc/address-of-2.kc
Normal file
42
src/test/kc/address-of-2.kc
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@ -0,0 +1,42 @@
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// Test address-of by assigning the affected variable in multiple ways
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byte val = 0;
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void main() {
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const byte* SCREEN1 = 0x0400;
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const byte* SCREEN2 = SCREEN1+40;
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byte idx = 0;
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SCREEN1[idx] = val;
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SCREEN2[idx++] = '.';
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// Here we have not yet used address-of - so val can be versioned freely
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val = 1;
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SCREEN1[idx] = val;
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SCREEN2[idx++] = '.';
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// Use address-of - hereafter all versions of val must be in the same memory
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byte* ptr = &val;
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// Set value directly
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val = 2;
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SCREEN1[idx] = val;
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SCREEN2[idx++] = *ptr;
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// Set value through pointer
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*ptr = 3;
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SCREEN1[idx] = val;
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SCREEN2[idx++] = *ptr;
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// Set value directly in a call
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setv(4);
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SCREEN1[idx] = val;
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SCREEN2[idx++] = *ptr;
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// Set value through pointer in a call
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setp(ptr, 5);
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SCREEN1[idx] = val;
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SCREEN2[idx++] = *ptr;
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}
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void setv(byte v) {
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val = v;
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}
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void setp(byte* p, byte v) {
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*p = v;
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}
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@ -1,3 +1,4 @@
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// Test address-of - use the pointer to get the 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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@ -150,6 +150,7 @@ Allocated zp ZP_BYTE:3 [ main::c#0 ]
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INITIAL ASM
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//SEG0 File Comments
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// Test address-of - use the pointer to get the value
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//SEG1 Basic Upstart
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.pc = $801 "Basic"
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:BasicUpstart(bbegin)
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@ -227,6 +228,7 @@ Uplifting [main] best 443 combination zp ZP_BYTE:2 [ main::b#2 main::b#1 ]
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ASSEMBLER BEFORE OPTIMIZATION
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//SEG0 File Comments
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// Test address-of - use the pointer to get the value
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//SEG1 Basic Upstart
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.pc = $801 "Basic"
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:BasicUpstart(bbegin)
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@ -335,6 +337,7 @@ FINAL ASSEMBLER
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Score: 341
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//SEG0 File Comments
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// Test address-of - use the pointer to get the value
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//SEG1 Basic Upstart
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.pc = $801 "Basic"
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:BasicUpstart(main)
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@ -1,3 +1,4 @@
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// Test address-of - pass the pointer as parameter
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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@ -263,6 +263,7 @@ Allocated zp ZP_BYTE:7 [ main::b3#0 ]
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INITIAL ASM
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//SEG0 File Comments
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// Test address-of - pass the pointer as parameter
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//SEG1 Basic Upstart
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.pc = $801 "Basic"
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:BasicUpstart(bbegin)
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@ -412,6 +413,7 @@ Allocated (was zp ZP_BYTE:7) zp ZP_BYTE:6 [ main::b3#0 ]
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ASSEMBLER BEFORE OPTIMIZATION
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//SEG0 File Comments
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// Test address-of - pass the pointer as parameter
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//SEG1 Basic Upstart
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.pc = $801 "Basic"
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:BasicUpstart(bbegin)
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@ -591,6 +593,7 @@ FINAL ASSEMBLER
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Score: 108
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//SEG0 File Comments
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// Test address-of - pass the pointer as parameter
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//SEG1 Basic Upstart
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.pc = $801 "Basic"
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:BasicUpstart(main)
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52
src/test/ref/address-of-2.asm
Normal file
52
src/test/ref/address-of-2.asm
Normal file
@ -0,0 +1,52 @@
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// Test address-of by assigning the affected variable in multiple ways
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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.label val = 2
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main: {
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.label SCREEN1 = $400
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.label ptr = val
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.label SCREEN2 = SCREEN1+$28
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lda #0
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sta SCREEN1
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lda #'.'
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sta SCREEN2
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// Here we have not yet used address-of - so val can be versioned freely
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lda #1
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sta val
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sta SCREEN1+1
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lda #'.'
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sta SCREEN2+1
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lda #2
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sta SCREEN1+2
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lda ptr
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sta SCREEN2+2
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// Set value through pointer
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lda #3
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sta ptr
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lda #2
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sta SCREEN1+3
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lda ptr
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sta SCREEN2+3
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jsr setv
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lda #setv.v
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sta SCREEN1+4
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lda ptr
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sta SCREEN2+4
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jsr setp
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lda #setv.v
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sta SCREEN1+5
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lda ptr
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sta SCREEN2+5
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rts
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}
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setp: {
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.const v = 5
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lda #v
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sta main.ptr
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rts
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}
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setv: {
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.label v = 4
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rts
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}
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46
src/test/ref/address-of-2.cfg
Normal file
46
src/test/ref/address-of-2.cfg
Normal file
@ -0,0 +1,46 @@
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@begin: scope:[] from
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[0] phi()
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to:@1
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@1: scope:[] from @begin
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[1] phi()
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[2] call main
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to:@end
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@end: scope:[] from @1
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[3] phi()
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main: scope:[main] from @1
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[4] *((const byte*) main::SCREEN1#0) ← (byte) 0
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[5] *((const byte*) main::SCREEN2#0) ← (byte) '.'
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[6] (byte) val#1 ← (byte) 1
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[7] *((const byte*) main::SCREEN1#0+(byte) 1) ← (byte) val#1
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[8] *((const byte*) main::SCREEN2#0+(byte) 1) ← (byte) '.'
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[9] *((const byte*) main::SCREEN1#0+(byte) 2) ← (byte) 2
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[10] *((const byte*) main::SCREEN2#0+(byte) 2) ← *((const byte*) main::ptr#0)
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[11] *((const byte*) main::ptr#0) ← (byte) 3
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[12] *((const byte*) main::SCREEN1#0+(byte) 3) ← (byte) 2
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[13] *((const byte*) main::SCREEN2#0+(byte) 3) ← *((const byte*) main::ptr#0)
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[14] call setv
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to:main::@1
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main::@1: scope:[main] from main
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[15] *((const byte*) main::SCREEN1#0+(byte) 4) ← (const byte) setv::v#0
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[16] *((const byte*) main::SCREEN2#0+(byte) 4) ← *((const byte*) main::ptr#0)
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[17] call setp
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to:main::@2
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main::@2: scope:[main] from main::@1
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[18] *((const byte*) main::SCREEN1#0+(byte) 5) ← (const byte) setv::v#0
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[19] *((const byte*) main::SCREEN2#0+(byte) 5) ← *((const byte*) main::ptr#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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to:@return
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setp: scope:[setp] from main::@1
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[21] *((const byte*) main::ptr#0) ← (const byte) setp::v#0
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to:setp::@return
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setp::@return: scope:[setp] from setp
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[22] return
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to:@return
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setv: scope:[setv] from main
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[23] phi()
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to:setv::@return
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setv::@return: scope:[setv] from setv
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[24] return
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to:@return
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780
src/test/ref/address-of-2.log
Normal file
780
src/test/ref/address-of-2.log
Normal file
@ -0,0 +1,780 @@
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Adding pointer type conversion cast (byte*) main::SCREEN1 in (byte*) main::SCREEN1 ← (number) $400
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Culled Empty Block (label) @1
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Culled Empty Block (label) @2
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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(byte) val#0 ← (number) 0
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to:@3
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main: scope:[main] from @3
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(byte) val#8 ← phi( @3/(byte) val#14 )
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(byte*) main::SCREEN1#0 ← ((byte*)) (number) $400
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(byte*~) main::$0 ← (byte*) main::SCREEN1#0 + (number) $28
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(byte*) main::SCREEN2#0 ← (byte*~) main::$0
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(byte) main::idx#0 ← (number) 0
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*((byte*) main::SCREEN1#0 + (byte) main::idx#0) ← (byte) val#8
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*((byte*) main::SCREEN2#0 + (byte) main::idx#0) ← (byte) '.'
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(byte) main::idx#1 ← ++ (byte) main::idx#0
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(byte) val#1 ← (number) 1
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*((byte*) main::SCREEN1#0 + (byte) main::idx#1) ← (byte) val#1
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*((byte*) main::SCREEN2#0 + (byte) main::idx#1) ← (byte) '.'
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(byte) main::idx#2 ← ++ (byte) main::idx#1
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(byte*~) main::$1 ← & (byte) val#1
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(byte*) main::ptr#0 ← (byte*~) main::$1
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(byte) val#2 ← (number) 2
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*((byte*) main::SCREEN1#0 + (byte) main::idx#2) ← (byte) val#2
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*((byte*) main::SCREEN2#0 + (byte) main::idx#2) ← *((byte*) main::ptr#0)
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(byte) main::idx#3 ← ++ (byte) main::idx#2
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*((byte*) main::ptr#0) ← (number) 3
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*((byte*) main::SCREEN1#0 + (byte) main::idx#3) ← (byte) val#2
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*((byte*) main::SCREEN2#0 + (byte) main::idx#3) ← *((byte*) main::ptr#0)
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(byte) main::idx#4 ← ++ (byte) main::idx#3
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(byte) setv::v#0 ← (number) 4
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call setv
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to:main::@1
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main::@1: scope:[main] from main
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(byte*) main::ptr#1 ← phi( main/(byte*) main::ptr#0 )
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(byte) main::idx#7 ← phi( main/(byte) main::idx#4 )
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(byte) val#9 ← phi( main/(byte) val#6 )
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(byte) val#3 ← (byte) val#9
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*((byte*) main::SCREEN1#0 + (byte) main::idx#7) ← (byte) val#3
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*((byte*) main::SCREEN2#0 + (byte) main::idx#7) ← *((byte*) main::ptr#1)
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(byte) main::idx#5 ← ++ (byte) main::idx#7
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(byte*) setp::p#0 ← (byte*) main::ptr#1
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(byte) setp::v#0 ← (number) 5
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call setp
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to:main::@2
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main::@2: scope:[main] from main::@1
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(byte*) main::ptr#2 ← phi( main::@1/(byte*) main::ptr#1 )
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(byte) main::idx#8 ← phi( main::@1/(byte) main::idx#5 )
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(byte) val#10 ← phi( main::@1/(byte) val#3 )
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*((byte*) main::SCREEN1#0 + (byte) main::idx#8) ← (byte) val#10
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*((byte*) main::SCREEN2#0 + (byte) main::idx#8) ← *((byte*) main::ptr#2)
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(byte) main::idx#6 ← ++ (byte) main::idx#8
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to:main::@return
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main::@return: scope:[main] from main::@2
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(byte) val#11 ← phi( main::@2/(byte) val#10 )
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(byte) val#4 ← (byte) val#11
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return
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to:@return
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setv: scope:[setv] from main
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(byte) setv::v#1 ← phi( main/(byte) setv::v#0 )
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(byte) val#5 ← (byte) setv::v#1
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to:setv::@return
|
||||
setv::@return: scope:[setv] from setv
|
||||
(byte) val#12 ← phi( setv/(byte) val#5 )
|
||||
(byte) val#6 ← (byte) val#12
|
||||
return
|
||||
to:@return
|
||||
setp: scope:[setp] from main::@1
|
||||
(byte*) setp::p#1 ← phi( main::@1/(byte*) setp::p#0 )
|
||||
(byte) setp::v#1 ← phi( main::@1/(byte) setp::v#0 )
|
||||
*((byte*) setp::p#1) ← (byte) setp::v#1
|
||||
to:setp::@return
|
||||
setp::@return: scope:[setp] from setp
|
||||
return
|
||||
to:@return
|
||||
@3: scope:[] from @begin
|
||||
(byte) val#14 ← phi( @begin/(byte) val#0 )
|
||||
call main
|
||||
to:@4
|
||||
@4: scope:[] from @3
|
||||
(byte) val#13 ← phi( @3/(byte) val#4 )
|
||||
(byte) val#7 ← (byte) val#13
|
||||
to:@end
|
||||
@end: scope:[] from @4
|
||||
|
||||
SYMBOL TABLE SSA
|
||||
(label) @3
|
||||
(label) @4
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(void()) main()
|
||||
(byte*~) main::$0
|
||||
(byte*~) main::$1
|
||||
(label) main::@1
|
||||
(label) main::@2
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN1
|
||||
(byte*) main::SCREEN1#0
|
||||
(byte*) main::SCREEN2
|
||||
(byte*) main::SCREEN2#0
|
||||
(byte) main::idx
|
||||
(byte) main::idx#0
|
||||
(byte) main::idx#1
|
||||
(byte) main::idx#2
|
||||
(byte) main::idx#3
|
||||
(byte) main::idx#4
|
||||
(byte) main::idx#5
|
||||
(byte) main::idx#6
|
||||
(byte) main::idx#7
|
||||
(byte) main::idx#8
|
||||
(byte*) main::ptr
|
||||
(byte*) main::ptr#0
|
||||
(byte*) main::ptr#1
|
||||
(byte*) main::ptr#2
|
||||
(void()) setp((byte*) setp::p , (byte) setp::v)
|
||||
(label) setp::@return
|
||||
(byte*) setp::p
|
||||
(byte*) setp::p#0
|
||||
(byte*) setp::p#1
|
||||
(byte) setp::v
|
||||
(byte) setp::v#0
|
||||
(byte) setp::v#1
|
||||
(void()) setv((byte) setv::v)
|
||||
(label) setv::@return
|
||||
(byte) setv::v
|
||||
(byte) setv::v#0
|
||||
(byte) setv::v#1
|
||||
(byte) val
|
||||
(byte) val#0
|
||||
(byte) val#1
|
||||
(byte) val#10
|
||||
(byte) val#11
|
||||
(byte) val#12
|
||||
(byte) val#13
|
||||
(byte) val#14
|
||||
(byte) val#2
|
||||
(byte) val#3
|
||||
(byte) val#4
|
||||
(byte) val#5
|
||||
(byte) val#6
|
||||
(byte) val#7
|
||||
(byte) val#8
|
||||
(byte) val#9
|
||||
|
||||
Adding number conversion cast (unumber) 0 in (byte) val#0 ← (number) 0
|
||||
Adding number conversion cast (unumber) $28 in (byte*~) main::$0 ← (byte*) main::SCREEN1#0 + (number) $28
|
||||
Adding number conversion cast (unumber) 0 in (byte) main::idx#0 ← (number) 0
|
||||
Adding number conversion cast (unumber) 1 in (byte) val#1 ← (number) 1
|
||||
Adding number conversion cast (unumber) 2 in (byte) val#2 ← (number) 2
|
||||
Adding number conversion cast (unumber) 3 in *((byte*) main::ptr#0) ← (number) 3
|
||||
Adding number conversion cast (unumber) 4 in (byte) setv::v#0 ← (number) 4
|
||||
Adding number conversion cast (unumber) 5 in (byte) setp::v#0 ← (number) 5
|
||||
Successful SSA optimization PassNAddNumberTypeConversions
|
||||
Inlining cast (byte) val#0 ← (unumber)(number) 0
|
||||
Inlining cast (byte*) main::SCREEN1#0 ← (byte*)(number) $400
|
||||
Inlining cast (byte) main::idx#0 ← (unumber)(number) 0
|
||||
Inlining cast (byte) val#1 ← (unumber)(number) 1
|
||||
Inlining cast (byte) val#2 ← (unumber)(number) 2
|
||||
Inlining cast *((byte*) main::ptr#0) ← (unumber)(number) 3
|
||||
Inlining cast (byte) setv::v#0 ← (unumber)(number) 4
|
||||
Inlining cast (byte) setp::v#0 ← (unumber)(number) 5
|
||||
Successful SSA optimization Pass2InlineCast
|
||||
Simplifying constant integer cast 0
|
||||
Simplifying constant pointer cast (byte*) 1024
|
||||
Simplifying constant integer cast $28
|
||||
Simplifying constant integer cast 0
|
||||
Simplifying constant integer cast 1
|
||||
Simplifying constant integer cast 2
|
||||
Simplifying constant integer cast 3
|
||||
Simplifying constant integer cast 4
|
||||
Simplifying constant integer cast 5
|
||||
Successful SSA optimization PassNCastSimplification
|
||||
Finalized unsigned number type (byte) 0
|
||||
Finalized unsigned number type (byte) $28
|
||||
Finalized unsigned number type (byte) 0
|
||||
Finalized unsigned number type (byte) 1
|
||||
Finalized unsigned number type (byte) 2
|
||||
Finalized unsigned number type (byte) 3
|
||||
Finalized unsigned number type (byte) 4
|
||||
Finalized unsigned number type (byte) 5
|
||||
Successful SSA optimization PassNFinalizeNumberTypeConversions
|
||||
Alias (byte*) main::SCREEN2#0 = (byte*~) main::$0
|
||||
Alias (byte*) main::ptr#0 = (byte*~) main::$1 (byte*) main::ptr#1 (byte*) main::ptr#2
|
||||
Alias (byte) main::idx#4 = (byte) main::idx#7
|
||||
Alias (byte) val#10 = (byte) val#3 (byte) val#9 (byte) val#11 (byte) val#4
|
||||
Alias (byte) main::idx#5 = (byte) main::idx#8
|
||||
Alias (byte) val#12 = (byte) val#5 (byte) val#6
|
||||
Alias (byte) val#0 = (byte) val#14
|
||||
Alias (byte) val#13 = (byte) val#7
|
||||
Successful SSA optimization Pass2AliasElimination
|
||||
Identical Phi Values (byte) val#8 (byte) val#0
|
||||
Identical Phi Values (byte) val#10 (byte) val#12
|
||||
Identical Phi Values (byte) setv::v#1 (byte) setv::v#0
|
||||
Identical Phi Values (byte) setp::v#1 (byte) setp::v#0
|
||||
Identical Phi Values (byte*) setp::p#1 (byte*) setp::p#0
|
||||
Identical Phi Values (byte) val#13 (byte) val#10
|
||||
Successful SSA optimization Pass2IdenticalPhiElimination
|
||||
Constant right-side identified [13] (byte*) main::ptr#0 ← & (byte) val#1
|
||||
Successful SSA optimization Pass2ConstantRValueConsolidation
|
||||
Constant (const byte) val#0 = 0
|
||||
Constant (const byte*) main::SCREEN1#0 = (byte*) 1024
|
||||
Constant (const byte) main::idx#0 = 0
|
||||
Constant (const byte*) main::ptr#0 = &val#1
|
||||
Constant (const byte) val#2 = 2
|
||||
Constant (const byte) setv::v#0 = 4
|
||||
Constant (const byte) setp::v#0 = 5
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
Constant (const byte*) setp::p#0 = main::ptr#0
|
||||
Constant (const byte) val#12 = setv::v#0
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
Simplifying expression containing zero main::SCREEN1#0 in [6] *((const byte*) main::SCREEN1#0 + (const byte) main::idx#0) ← (const byte) val#0
|
||||
Simplifying expression containing zero main::SCREEN2#0 in [7] *((byte*) main::SCREEN2#0 + (const byte) main::idx#0) ← (byte) '.'
|
||||
Successful SSA optimization PassNSimplifyExpressionWithZero
|
||||
Eliminating unused variable (byte) main::idx#6 and assignment [22] (byte) main::idx#6 ← ++ (byte) main::idx#5
|
||||
Successful SSA optimization PassNEliminateUnusedVars
|
||||
Constant right-side identified [0] (byte*) main::SCREEN2#0 ← (const byte*) main::SCREEN1#0 + (byte) $28
|
||||
Constant right-side identified [3] (byte) main::idx#1 ← ++ (const byte) main::idx#0
|
||||
Successful SSA optimization Pass2ConstantRValueConsolidation
|
||||
Constant (const byte*) main::SCREEN2#0 = main::SCREEN1#0+$28
|
||||
Constant (const byte) main::idx#1 = ++main::idx#0
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
Constant right-side identified [5] (byte) main::idx#2 ← ++ (const byte) main::idx#1
|
||||
Successful SSA optimization Pass2ConstantRValueConsolidation
|
||||
Constant (const byte) main::idx#2 = ++main::idx#1
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
Constant right-side identified [7] (byte) main::idx#3 ← ++ (const byte) main::idx#2
|
||||
Successful SSA optimization Pass2ConstantRValueConsolidation
|
||||
Constant (const byte) main::idx#3 = ++main::idx#2
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
Constant right-side identified [10] (byte) main::idx#4 ← ++ (const byte) main::idx#3
|
||||
Successful SSA optimization Pass2ConstantRValueConsolidation
|
||||
Constant (const byte) main::idx#4 = ++main::idx#3
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
Constant right-side identified [13] (byte) main::idx#5 ← ++ (const byte) main::idx#4
|
||||
Successful SSA optimization Pass2ConstantRValueConsolidation
|
||||
Constant (const byte) main::idx#5 = ++main::idx#4
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
Inlining constant with different constant siblings (const byte) main::idx#0
|
||||
Inlining constant with different constant siblings (const byte) main::idx#1
|
||||
Inlining constant with different constant siblings (const byte) main::idx#2
|
||||
Inlining constant with different constant siblings (const byte) main::idx#3
|
||||
Inlining constant with different constant siblings (const byte) main::idx#4
|
||||
Inlining constant with different constant siblings (const byte) main::idx#5
|
||||
Inlining constant with var siblings (const byte) val#0
|
||||
Inlining constant with var siblings (const byte) val#2
|
||||
Inlining constant with var siblings (const byte) val#12
|
||||
Constant inlined main::idx#0 = (byte) 0
|
||||
Constant inlined main::idx#1 = ++(byte) 0
|
||||
Constant inlined val#0 = (byte) 0
|
||||
Constant inlined main::idx#2 = ++++(byte) 0
|
||||
Constant inlined main::idx#3 = ++++++(byte) 0
|
||||
Constant inlined main::idx#4 = ++++++++(byte) 0
|
||||
Constant inlined main::idx#5 = ++++++++++(byte) 0
|
||||
Constant inlined val#12 = (const byte) setv::v#0
|
||||
Constant inlined setp::p#0 = (const byte*) main::ptr#0
|
||||
Constant inlined val#2 = (byte) 2
|
||||
Successful SSA optimization Pass2ConstantInlining
|
||||
Consolidated array index constant in *(main::SCREEN1#0+++0)
|
||||
Consolidated array index constant in *(main::SCREEN2#0+++0)
|
||||
Consolidated array index constant in *(main::SCREEN1#0+++++0)
|
||||
Consolidated array index constant in *(main::SCREEN2#0+++++0)
|
||||
Consolidated array index constant in *(main::SCREEN1#0+++++++0)
|
||||
Consolidated array index constant in *(main::SCREEN2#0+++++++0)
|
||||
Consolidated array index constant in *(main::SCREEN1#0+++++++++0)
|
||||
Consolidated array index constant in *(main::SCREEN2#0+++++++++0)
|
||||
Consolidated array index constant in *(main::SCREEN1#0+++++++++++0)
|
||||
Consolidated array index constant in *(main::SCREEN2#0+++++++++++0)
|
||||
Successful SSA optimization Pass2ConstantAdditionElimination
|
||||
Simplifying constant integer increment ++0
|
||||
Simplifying constant integer increment ++0
|
||||
Simplifying constant integer increment ++0
|
||||
Simplifying constant integer increment ++1
|
||||
Simplifying constant integer increment ++1
|
||||
Simplifying constant integer increment ++2
|
||||
Simplifying constant integer increment ++2
|
||||
Simplifying constant integer increment ++3
|
||||
Simplifying constant integer increment ++3
|
||||
Simplifying constant integer increment ++4
|
||||
Successful SSA optimization Pass2ConstantSimplification
|
||||
Simplifying constant integer increment ++1
|
||||
Simplifying constant integer increment ++2
|
||||
Simplifying constant integer increment ++3
|
||||
Simplifying constant integer increment ++4
|
||||
Successful SSA optimization Pass2ConstantSimplification
|
||||
Adding NOP phi() at start of @begin
|
||||
Adding NOP phi() at start of @3
|
||||
Adding NOP phi() at start of @4
|
||||
Adding NOP phi() at start of @end
|
||||
Adding NOP phi() at start of setv
|
||||
CALL GRAPH
|
||||
Calls in [] to main:2
|
||||
Calls in [main] to setv:15 setp:18
|
||||
|
||||
Created 0 initial phi equivalence classes
|
||||
Coalesced down to 0 phi equivalence classes
|
||||
Culled Empty Block (label) @4
|
||||
Renumbering block @3 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 setv
|
||||
|
||||
FINAL CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
[0] phi()
|
||||
to:@1
|
||||
@1: scope:[] from @begin
|
||||
[1] phi()
|
||||
[2] call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
[3] phi()
|
||||
main: scope:[main] from @1
|
||||
[4] *((const byte*) main::SCREEN1#0) ← (byte) 0
|
||||
[5] *((const byte*) main::SCREEN2#0) ← (byte) '.'
|
||||
[6] (byte) val#1 ← (byte) 1
|
||||
[7] *((const byte*) main::SCREEN1#0+(byte) 1) ← (byte) val#1
|
||||
[8] *((const byte*) main::SCREEN2#0+(byte) 1) ← (byte) '.'
|
||||
[9] *((const byte*) main::SCREEN1#0+(byte) 2) ← (byte) 2
|
||||
[10] *((const byte*) main::SCREEN2#0+(byte) 2) ← *((const byte*) main::ptr#0)
|
||||
[11] *((const byte*) main::ptr#0) ← (byte) 3
|
||||
[12] *((const byte*) main::SCREEN1#0+(byte) 3) ← (byte) 2
|
||||
[13] *((const byte*) main::SCREEN2#0+(byte) 3) ← *((const byte*) main::ptr#0)
|
||||
[14] call setv
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main
|
||||
[15] *((const byte*) main::SCREEN1#0+(byte) 4) ← (const byte) setv::v#0
|
||||
[16] *((const byte*) main::SCREEN2#0+(byte) 4) ← *((const byte*) main::ptr#0)
|
||||
[17] call setp
|
||||
to:main::@2
|
||||
main::@2: scope:[main] from main::@1
|
||||
[18] *((const byte*) main::SCREEN1#0+(byte) 5) ← (const byte) setv::v#0
|
||||
[19] *((const byte*) main::SCREEN2#0+(byte) 5) ← *((const byte*) main::ptr#0)
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main::@2
|
||||
[20] return
|
||||
to:@return
|
||||
setp: scope:[setp] from main::@1
|
||||
[21] *((const byte*) main::ptr#0) ← (const byte) setp::v#0
|
||||
to:setp::@return
|
||||
setp::@return: scope:[setp] from setp
|
||||
[22] return
|
||||
to:@return
|
||||
setv: scope:[setv] from main
|
||||
[23] phi()
|
||||
to:setv::@return
|
||||
setv::@return: scope:[setv] from setv
|
||||
[24] return
|
||||
to:@return
|
||||
|
||||
|
||||
VARIABLE REGISTER WEIGHTS
|
||||
(void()) main()
|
||||
(byte*) main::SCREEN1
|
||||
(byte*) main::SCREEN2
|
||||
(byte) main::idx
|
||||
(byte*) main::ptr
|
||||
(void()) setp((byte*) setp::p , (byte) setp::v)
|
||||
(byte*) setp::p
|
||||
(byte) setp::v
|
||||
(void()) setv((byte) setv::v)
|
||||
(byte) setv::v
|
||||
(byte) val
|
||||
(byte) val#1 4.0
|
||||
|
||||
Initial phi equivalence classes
|
||||
Added variable val#1 to zero page equivalence class [ val#1 ]
|
||||
Complete equivalence classes
|
||||
[ val#1 ]
|
||||
Allocated zp ZP_BYTE:2 [ val#1 ]
|
||||
|
||||
INITIAL ASM
|
||||
//SEG0 File Comments
|
||||
// Test address-of by assigning the affected variable in multiple ways
|
||||
//SEG1 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(bbegin)
|
||||
.pc = $80d "Program"
|
||||
//SEG2 Global Constants & labels
|
||||
.label val = 2
|
||||
//SEG3 @begin
|
||||
bbegin:
|
||||
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
b1_from_bbegin:
|
||||
jmp b1
|
||||
//SEG5 @1
|
||||
b1:
|
||||
//SEG6 [2] call main
|
||||
jsr main
|
||||
//SEG7 [3] phi from @1 to @end [phi:@1->@end]
|
||||
bend_from_b1:
|
||||
jmp bend
|
||||
//SEG8 @end
|
||||
bend:
|
||||
//SEG9 main
|
||||
main: {
|
||||
.label SCREEN1 = $400
|
||||
.label ptr = val
|
||||
.label SCREEN2 = SCREEN1+$28
|
||||
//SEG10 [4] *((const byte*) main::SCREEN1#0) ← (byte) 0 -- _deref_pbuc1=vbuc2
|
||||
lda #0
|
||||
sta SCREEN1
|
||||
//SEG11 [5] *((const byte*) main::SCREEN2#0) ← (byte) '.' -- _deref_pbuc1=vbuc2
|
||||
lda #'.'
|
||||
sta SCREEN2
|
||||
//SEG12 [6] (byte) val#1 ← (byte) 1 -- vbuz1=vbuc1
|
||||
// Here we have not yet used address-of - so val can be versioned freely
|
||||
lda #1
|
||||
sta val
|
||||
//SEG13 [7] *((const byte*) main::SCREEN1#0+(byte) 1) ← (byte) val#1 -- _deref_pbuc1=vbuz1
|
||||
lda val
|
||||
sta SCREEN1+1
|
||||
//SEG14 [8] *((const byte*) main::SCREEN2#0+(byte) 1) ← (byte) '.' -- _deref_pbuc1=vbuc2
|
||||
lda #'.'
|
||||
sta SCREEN2+1
|
||||
//SEG15 [9] *((const byte*) main::SCREEN1#0+(byte) 2) ← (byte) 2 -- _deref_pbuc1=vbuc2
|
||||
lda #2
|
||||
sta SCREEN1+2
|
||||
//SEG16 [10] *((const byte*) main::SCREEN2#0+(byte) 2) ← *((const byte*) main::ptr#0) -- _deref_pbuc1=_deref_pbuc2
|
||||
lda ptr
|
||||
sta SCREEN2+2
|
||||
//SEG17 [11] *((const byte*) main::ptr#0) ← (byte) 3 -- _deref_pbuc1=vbuc2
|
||||
// Set value through pointer
|
||||
lda #3
|
||||
sta ptr
|
||||
//SEG18 [12] *((const byte*) main::SCREEN1#0+(byte) 3) ← (byte) 2 -- _deref_pbuc1=vbuc2
|
||||
lda #2
|
||||
sta SCREEN1+3
|
||||
//SEG19 [13] *((const byte*) main::SCREEN2#0+(byte) 3) ← *((const byte*) main::ptr#0) -- _deref_pbuc1=_deref_pbuc2
|
||||
lda ptr
|
||||
sta SCREEN2+3
|
||||
//SEG20 [14] call setv
|
||||
//SEG21 [23] phi from main to setv [phi:main->setv]
|
||||
setv_from_main:
|
||||
jsr setv
|
||||
jmp b1
|
||||
//SEG22 main::@1
|
||||
b1:
|
||||
//SEG23 [15] *((const byte*) main::SCREEN1#0+(byte) 4) ← (const byte) setv::v#0 -- _deref_pbuc1=vbuc2
|
||||
lda #setv.v
|
||||
sta SCREEN1+4
|
||||
//SEG24 [16] *((const byte*) main::SCREEN2#0+(byte) 4) ← *((const byte*) main::ptr#0) -- _deref_pbuc1=_deref_pbuc2
|
||||
lda ptr
|
||||
sta SCREEN2+4
|
||||
//SEG25 [17] call setp
|
||||
jsr setp
|
||||
jmp b2
|
||||
//SEG26 main::@2
|
||||
b2:
|
||||
//SEG27 [18] *((const byte*) main::SCREEN1#0+(byte) 5) ← (const byte) setv::v#0 -- _deref_pbuc1=vbuc2
|
||||
lda #setv.v
|
||||
sta SCREEN1+5
|
||||
//SEG28 [19] *((const byte*) main::SCREEN2#0+(byte) 5) ← *((const byte*) main::ptr#0) -- _deref_pbuc1=_deref_pbuc2
|
||||
lda ptr
|
||||
sta SCREEN2+5
|
||||
jmp breturn
|
||||
//SEG29 main::@return
|
||||
breturn:
|
||||
//SEG30 [20] return
|
||||
rts
|
||||
}
|
||||
//SEG31 setp
|
||||
setp: {
|
||||
.const v = 5
|
||||
//SEG32 [21] *((const byte*) main::ptr#0) ← (const byte) setp::v#0 -- _deref_pbuc1=vbuc2
|
||||
lda #v
|
||||
sta main.ptr
|
||||
jmp breturn
|
||||
//SEG33 setp::@return
|
||||
breturn:
|
||||
//SEG34 [22] return
|
||||
rts
|
||||
}
|
||||
//SEG35 setv
|
||||
setv: {
|
||||
.label v = 4
|
||||
jmp breturn
|
||||
//SEG36 setv::@return
|
||||
breturn:
|
||||
//SEG37 [24] return
|
||||
rts
|
||||
}
|
||||
|
||||
REGISTER UPLIFT POTENTIAL REGISTERS
|
||||
Statement [4] *((const byte*) main::SCREEN1#0) ← (byte) 0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [5] *((const byte*) main::SCREEN2#0) ← (byte) '.' [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [6] (byte) val#1 ← (byte) 1 [ val#1 ] ( main:2 [ val#1 ] ) always clobbers reg byte a
|
||||
Statement [7] *((const byte*) main::SCREEN1#0+(byte) 1) ← (byte) val#1 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [8] *((const byte*) main::SCREEN2#0+(byte) 1) ← (byte) '.' [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [9] *((const byte*) main::SCREEN1#0+(byte) 2) ← (byte) 2 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [10] *((const byte*) main::SCREEN2#0+(byte) 2) ← *((const byte*) main::ptr#0) [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [11] *((const byte*) main::ptr#0) ← (byte) 3 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [12] *((const byte*) main::SCREEN1#0+(byte) 3) ← (byte) 2 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [13] *((const byte*) main::SCREEN2#0+(byte) 3) ← *((const byte*) main::ptr#0) [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [15] *((const byte*) main::SCREEN1#0+(byte) 4) ← (const byte) setv::v#0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [16] *((const byte*) main::SCREEN2#0+(byte) 4) ← *((const byte*) main::ptr#0) [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [18] *((const byte*) main::SCREEN1#0+(byte) 5) ← (const byte) setv::v#0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [19] *((const byte*) main::SCREEN2#0+(byte) 5) ← *((const byte*) main::ptr#0) [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [21] *((const byte*) main::ptr#0) ← (const byte) setp::v#0 [ ] ( main:2::setp:17 [ ] ) always clobbers reg byte a
|
||||
Potential registers zp ZP_BYTE:2 [ val#1 ] : zp ZP_BYTE:2 ,
|
||||
|
||||
REGISTER UPLIFT SCOPES
|
||||
Uplift Scope [] 4: zp ZP_BYTE:2 [ val#1 ]
|
||||
Uplift Scope [main]
|
||||
Uplift Scope [setv]
|
||||
Uplift Scope [setp]
|
||||
|
||||
Uplifting [] best 182 combination zp ZP_BYTE:2 [ val#1 ]
|
||||
Uplifting [main] best 182 combination
|
||||
Uplifting [setv] best 182 combination
|
||||
Uplifting [setp] best 182 combination
|
||||
Attempting to uplift remaining variables inzp ZP_BYTE:2 [ val#1 ]
|
||||
Uplifting [] best 182 combination zp ZP_BYTE:2 [ val#1 ]
|
||||
|
||||
ASSEMBLER BEFORE OPTIMIZATION
|
||||
//SEG0 File Comments
|
||||
// Test address-of by assigning the affected variable in multiple ways
|
||||
//SEG1 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(bbegin)
|
||||
.pc = $80d "Program"
|
||||
//SEG2 Global Constants & labels
|
||||
.label val = 2
|
||||
//SEG3 @begin
|
||||
bbegin:
|
||||
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
b1_from_bbegin:
|
||||
jmp b1
|
||||
//SEG5 @1
|
||||
b1:
|
||||
//SEG6 [2] call main
|
||||
jsr main
|
||||
//SEG7 [3] phi from @1 to @end [phi:@1->@end]
|
||||
bend_from_b1:
|
||||
jmp bend
|
||||
//SEG8 @end
|
||||
bend:
|
||||
//SEG9 main
|
||||
main: {
|
||||
.label SCREEN1 = $400
|
||||
.label ptr = val
|
||||
.label SCREEN2 = SCREEN1+$28
|
||||
//SEG10 [4] *((const byte*) main::SCREEN1#0) ← (byte) 0 -- _deref_pbuc1=vbuc2
|
||||
lda #0
|
||||
sta SCREEN1
|
||||
//SEG11 [5] *((const byte*) main::SCREEN2#0) ← (byte) '.' -- _deref_pbuc1=vbuc2
|
||||
lda #'.'
|
||||
sta SCREEN2
|
||||
//SEG12 [6] (byte) val#1 ← (byte) 1 -- vbuz1=vbuc1
|
||||
// Here we have not yet used address-of - so val can be versioned freely
|
||||
lda #1
|
||||
sta val
|
||||
//SEG13 [7] *((const byte*) main::SCREEN1#0+(byte) 1) ← (byte) val#1 -- _deref_pbuc1=vbuz1
|
||||
lda val
|
||||
sta SCREEN1+1
|
||||
//SEG14 [8] *((const byte*) main::SCREEN2#0+(byte) 1) ← (byte) '.' -- _deref_pbuc1=vbuc2
|
||||
lda #'.'
|
||||
sta SCREEN2+1
|
||||
//SEG15 [9] *((const byte*) main::SCREEN1#0+(byte) 2) ← (byte) 2 -- _deref_pbuc1=vbuc2
|
||||
lda #2
|
||||
sta SCREEN1+2
|
||||
//SEG16 [10] *((const byte*) main::SCREEN2#0+(byte) 2) ← *((const byte*) main::ptr#0) -- _deref_pbuc1=_deref_pbuc2
|
||||
lda ptr
|
||||
sta SCREEN2+2
|
||||
//SEG17 [11] *((const byte*) main::ptr#0) ← (byte) 3 -- _deref_pbuc1=vbuc2
|
||||
// Set value through pointer
|
||||
lda #3
|
||||
sta ptr
|
||||
//SEG18 [12] *((const byte*) main::SCREEN1#0+(byte) 3) ← (byte) 2 -- _deref_pbuc1=vbuc2
|
||||
lda #2
|
||||
sta SCREEN1+3
|
||||
//SEG19 [13] *((const byte*) main::SCREEN2#0+(byte) 3) ← *((const byte*) main::ptr#0) -- _deref_pbuc1=_deref_pbuc2
|
||||
lda ptr
|
||||
sta SCREEN2+3
|
||||
//SEG20 [14] call setv
|
||||
//SEG21 [23] phi from main to setv [phi:main->setv]
|
||||
setv_from_main:
|
||||
jsr setv
|
||||
jmp b1
|
||||
//SEG22 main::@1
|
||||
b1:
|
||||
//SEG23 [15] *((const byte*) main::SCREEN1#0+(byte) 4) ← (const byte) setv::v#0 -- _deref_pbuc1=vbuc2
|
||||
lda #setv.v
|
||||
sta SCREEN1+4
|
||||
//SEG24 [16] *((const byte*) main::SCREEN2#0+(byte) 4) ← *((const byte*) main::ptr#0) -- _deref_pbuc1=_deref_pbuc2
|
||||
lda ptr
|
||||
sta SCREEN2+4
|
||||
//SEG25 [17] call setp
|
||||
jsr setp
|
||||
jmp b2
|
||||
//SEG26 main::@2
|
||||
b2:
|
||||
//SEG27 [18] *((const byte*) main::SCREEN1#0+(byte) 5) ← (const byte) setv::v#0 -- _deref_pbuc1=vbuc2
|
||||
lda #setv.v
|
||||
sta SCREEN1+5
|
||||
//SEG28 [19] *((const byte*) main::SCREEN2#0+(byte) 5) ← *((const byte*) main::ptr#0) -- _deref_pbuc1=_deref_pbuc2
|
||||
lda ptr
|
||||
sta SCREEN2+5
|
||||
jmp breturn
|
||||
//SEG29 main::@return
|
||||
breturn:
|
||||
//SEG30 [20] return
|
||||
rts
|
||||
}
|
||||
//SEG31 setp
|
||||
setp: {
|
||||
.const v = 5
|
||||
//SEG32 [21] *((const byte*) main::ptr#0) ← (const byte) setp::v#0 -- _deref_pbuc1=vbuc2
|
||||
lda #v
|
||||
sta main.ptr
|
||||
jmp breturn
|
||||
//SEG33 setp::@return
|
||||
breturn:
|
||||
//SEG34 [22] return
|
||||
rts
|
||||
}
|
||||
//SEG35 setv
|
||||
setv: {
|
||||
.label v = 4
|
||||
jmp breturn
|
||||
//SEG36 setv::@return
|
||||
breturn:
|
||||
//SEG37 [24] return
|
||||
rts
|
||||
}
|
||||
|
||||
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
|
||||
Removing instruction jmp breturn
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
Removing instruction lda val
|
||||
Succesful ASM optimization Pass5UnnecesaryLoadElimination
|
||||
Removing instruction b1_from_bbegin:
|
||||
Removing instruction b1:
|
||||
Removing instruction bend_from_b1:
|
||||
Succesful ASM optimization Pass5RedundantLabelElimination
|
||||
Removing instruction bend:
|
||||
Removing instruction setv_from_main:
|
||||
Removing instruction b1:
|
||||
Removing instruction b2:
|
||||
Removing instruction breturn:
|
||||
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 bbegin:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
|
||||
FINAL SYMBOL TABLE
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(void()) main()
|
||||
(label) main::@1
|
||||
(label) main::@2
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN1
|
||||
(const byte*) main::SCREEN1#0 SCREEN1 = (byte*) 1024
|
||||
(byte*) main::SCREEN2
|
||||
(const byte*) main::SCREEN2#0 SCREEN2 = (const byte*) main::SCREEN1#0+(byte) $28
|
||||
(byte) main::idx
|
||||
(byte*) main::ptr
|
||||
(const byte*) main::ptr#0 ptr = &(byte) val#1
|
||||
(void()) setp((byte*) setp::p , (byte) setp::v)
|
||||
(label) setp::@return
|
||||
(byte*) setp::p
|
||||
(byte) setp::v
|
||||
(const byte) setp::v#0 v = (byte) 5
|
||||
(void()) setv((byte) setv::v)
|
||||
(label) setv::@return
|
||||
(byte) setv::v
|
||||
(const byte) setv::v#0 v = (byte) 4
|
||||
(byte) val
|
||||
(byte) val#1 val zp ZP_BYTE:2 4.0
|
||||
|
||||
zp ZP_BYTE:2 [ val#1 ]
|
||||
|
||||
|
||||
FINAL ASSEMBLER
|
||||
Score: 125
|
||||
|
||||
//SEG0 File Comments
|
||||
// Test address-of by assigning the affected variable in multiple ways
|
||||
//SEG1 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
//SEG2 Global Constants & labels
|
||||
.label val = 2
|
||||
//SEG3 @begin
|
||||
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
//SEG5 @1
|
||||
//SEG6 [2] call main
|
||||
//SEG7 [3] phi from @1 to @end [phi:@1->@end]
|
||||
//SEG8 @end
|
||||
//SEG9 main
|
||||
main: {
|
||||
.label SCREEN1 = $400
|
||||
.label ptr = val
|
||||
.label SCREEN2 = SCREEN1+$28
|
||||
//SEG10 [4] *((const byte*) main::SCREEN1#0) ← (byte) 0 -- _deref_pbuc1=vbuc2
|
||||
lda #0
|
||||
sta SCREEN1
|
||||
//SEG11 [5] *((const byte*) main::SCREEN2#0) ← (byte) '.' -- _deref_pbuc1=vbuc2
|
||||
lda #'.'
|
||||
sta SCREEN2
|
||||
//SEG12 [6] (byte) val#1 ← (byte) 1 -- vbuz1=vbuc1
|
||||
// Here we have not yet used address-of - so val can be versioned freely
|
||||
lda #1
|
||||
sta val
|
||||
//SEG13 [7] *((const byte*) main::SCREEN1#0+(byte) 1) ← (byte) val#1 -- _deref_pbuc1=vbuz1
|
||||
sta SCREEN1+1
|
||||
//SEG14 [8] *((const byte*) main::SCREEN2#0+(byte) 1) ← (byte) '.' -- _deref_pbuc1=vbuc2
|
||||
lda #'.'
|
||||
sta SCREEN2+1
|
||||
//SEG15 [9] *((const byte*) main::SCREEN1#0+(byte) 2) ← (byte) 2 -- _deref_pbuc1=vbuc2
|
||||
lda #2
|
||||
sta SCREEN1+2
|
||||
//SEG16 [10] *((const byte*) main::SCREEN2#0+(byte) 2) ← *((const byte*) main::ptr#0) -- _deref_pbuc1=_deref_pbuc2
|
||||
lda ptr
|
||||
sta SCREEN2+2
|
||||
//SEG17 [11] *((const byte*) main::ptr#0) ← (byte) 3 -- _deref_pbuc1=vbuc2
|
||||
// Set value through pointer
|
||||
lda #3
|
||||
sta ptr
|
||||
//SEG18 [12] *((const byte*) main::SCREEN1#0+(byte) 3) ← (byte) 2 -- _deref_pbuc1=vbuc2
|
||||
lda #2
|
||||
sta SCREEN1+3
|
||||
//SEG19 [13] *((const byte*) main::SCREEN2#0+(byte) 3) ← *((const byte*) main::ptr#0) -- _deref_pbuc1=_deref_pbuc2
|
||||
lda ptr
|
||||
sta SCREEN2+3
|
||||
//SEG20 [14] call setv
|
||||
//SEG21 [23] phi from main to setv [phi:main->setv]
|
||||
jsr setv
|
||||
//SEG22 main::@1
|
||||
//SEG23 [15] *((const byte*) main::SCREEN1#0+(byte) 4) ← (const byte) setv::v#0 -- _deref_pbuc1=vbuc2
|
||||
lda #setv.v
|
||||
sta SCREEN1+4
|
||||
//SEG24 [16] *((const byte*) main::SCREEN2#0+(byte) 4) ← *((const byte*) main::ptr#0) -- _deref_pbuc1=_deref_pbuc2
|
||||
lda ptr
|
||||
sta SCREEN2+4
|
||||
//SEG25 [17] call setp
|
||||
jsr setp
|
||||
//SEG26 main::@2
|
||||
//SEG27 [18] *((const byte*) main::SCREEN1#0+(byte) 5) ← (const byte) setv::v#0 -- _deref_pbuc1=vbuc2
|
||||
lda #setv.v
|
||||
sta SCREEN1+5
|
||||
//SEG28 [19] *((const byte*) main::SCREEN2#0+(byte) 5) ← *((const byte*) main::ptr#0) -- _deref_pbuc1=_deref_pbuc2
|
||||
lda ptr
|
||||
sta SCREEN2+5
|
||||
//SEG29 main::@return
|
||||
//SEG30 [20] return
|
||||
rts
|
||||
}
|
||||
//SEG31 setp
|
||||
setp: {
|
||||
.const v = 5
|
||||
//SEG32 [21] *((const byte*) main::ptr#0) ← (const byte) setp::v#0 -- _deref_pbuc1=vbuc2
|
||||
lda #v
|
||||
sta main.ptr
|
||||
//SEG33 setp::@return
|
||||
//SEG34 [22] return
|
||||
rts
|
||||
}
|
||||
//SEG35 setv
|
||||
setv: {
|
||||
.label v = 4
|
||||
//SEG36 setv::@return
|
||||
//SEG37 [24] return
|
||||
rts
|
||||
}
|
||||
|
||||
27
src/test/ref/address-of-2.sym
Normal file
27
src/test/ref/address-of-2.sym
Normal file
@ -0,0 +1,27 @@
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(void()) main()
|
||||
(label) main::@1
|
||||
(label) main::@2
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN1
|
||||
(const byte*) main::SCREEN1#0 SCREEN1 = (byte*) 1024
|
||||
(byte*) main::SCREEN2
|
||||
(const byte*) main::SCREEN2#0 SCREEN2 = (const byte*) main::SCREEN1#0+(byte) $28
|
||||
(byte) main::idx
|
||||
(byte*) main::ptr
|
||||
(const byte*) main::ptr#0 ptr = &(byte) val#1
|
||||
(void()) setp((byte*) setp::p , (byte) setp::v)
|
||||
(label) setp::@return
|
||||
(byte*) setp::p
|
||||
(byte) setp::v
|
||||
(const byte) setp::v#0 v = (byte) 5
|
||||
(void()) setv((byte) setv::v)
|
||||
(label) setv::@return
|
||||
(byte) setv::v
|
||||
(const byte) setv::v#0 v = (byte) 4
|
||||
(byte) val
|
||||
(byte) val#1 val zp ZP_BYTE:2 4.0
|
||||
|
||||
zp ZP_BYTE:2 [ val#1 ]
|
||||
18
src/test/ref/struct-ptr-12-ref.asm
Normal file
18
src/test/ref/struct-ptr-12-ref.asm
Normal file
@ -0,0 +1,18 @@
|
||||
// Reference file for Minimal struct - using address-of
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
main: {
|
||||
.label q = p
|
||||
.label SCREEN = $400
|
||||
.label p = 2
|
||||
lda #<2*$100+3
|
||||
sta p
|
||||
lda #>2*$100+3
|
||||
sta p+1
|
||||
lda q
|
||||
sta SCREEN
|
||||
lda q+1
|
||||
sta SCREEN+1
|
||||
rts
|
||||
}
|
||||
19
src/test/ref/struct-ptr-12-ref.cfg
Normal file
19
src/test/ref/struct-ptr-12-ref.cfg
Normal file
@ -0,0 +1,19 @@
|
||||
@begin: scope:[] from
|
||||
[0] phi()
|
||||
to:@1
|
||||
@1: scope:[] from @begin
|
||||
[1] phi()
|
||||
[2] call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
[3] phi()
|
||||
main: scope:[main] from @1
|
||||
[4] (word) main::p#0 ← (byte) 2*(word) $100+(byte) 3
|
||||
[5] (byte~) main::$1 ← < *((const word*) main::q#0)
|
||||
[6] *((const byte*) main::SCREEN#0) ← (byte~) main::$1
|
||||
[7] (byte~) main::$2 ← > *((const word*) main::q#0)
|
||||
[8] *((const byte*) main::SCREEN#0+(byte) 1) ← (byte~) main::$2
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main
|
||||
[9] return
|
||||
to:@return
|
||||
331
src/test/ref/struct-ptr-12-ref.log
Normal file
331
src/test/ref/struct-ptr-12-ref.log
Normal file
@ -0,0 +1,331 @@
|
||||
Identified literal word (word) { 2, 3 } in (word) main::p ← { (number) 2, (number) 3 }
|
||||
Adding pointer type conversion cast (byte*) main::SCREEN in (byte*) main::SCREEN ← (number) $400
|
||||
|
||||
CONTROL FLOW GRAPH SSA
|
||||
@begin: scope:[] from
|
||||
to:@1
|
||||
main: scope:[main] from @1
|
||||
(word) main::p#0 ← ((word)) { (number) 2, (number) 3 }
|
||||
(word*~) main::$0 ← & (word) main::p#0
|
||||
(word*) main::q#0 ← (word*~) main::$0
|
||||
(byte*) main::SCREEN#0 ← ((byte*)) (number) $400
|
||||
(byte~) main::$1 ← < *((word*) main::q#0)
|
||||
*((byte*) main::SCREEN#0 + (number) 0) ← (byte~) main::$1
|
||||
(byte~) main::$2 ← > *((word*) main::q#0)
|
||||
*((byte*) main::SCREEN#0 + (number) 1) ← (byte~) main::$2
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main
|
||||
return
|
||||
to:@return
|
||||
@1: scope:[] from @begin
|
||||
call main
|
||||
to:@2
|
||||
@2: scope:[] from @1
|
||||
to:@end
|
||||
@end: scope:[] from @2
|
||||
|
||||
SYMBOL TABLE SSA
|
||||
(label) @1
|
||||
(label) @2
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(void()) main()
|
||||
(word*~) main::$0
|
||||
(byte~) main::$1
|
||||
(byte~) main::$2
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN
|
||||
(byte*) main::SCREEN#0
|
||||
(word) main::p
|
||||
(word) main::p#0
|
||||
(word*) main::q
|
||||
(word*) main::q#0
|
||||
|
||||
Fixing inline constructor with main::$3 ← (byte)2 w= (byte)3
|
||||
Successful SSA optimization Pass2FixInlineConstructorsNew
|
||||
Adding number conversion cast (unumber) 0 in *((byte*) main::SCREEN#0 + (number) 0) ← (byte~) main::$1
|
||||
Adding number conversion cast (unumber) 1 in *((byte*) main::SCREEN#0 + (number) 1) ← (byte~) main::$2
|
||||
Successful SSA optimization PassNAddNumberTypeConversions
|
||||
Inlining cast (byte*) main::SCREEN#0 ← (byte*)(number) $400
|
||||
Successful SSA optimization Pass2InlineCast
|
||||
Simplifying constant integer cast 2
|
||||
Simplifying constant integer cast 3
|
||||
Simplifying constant pointer cast (byte*) 1024
|
||||
Simplifying constant integer cast 0
|
||||
Simplifying constant integer cast 1
|
||||
Successful SSA optimization PassNCastSimplification
|
||||
Finalized unsigned number type (byte) 0
|
||||
Finalized unsigned number type (byte) 1
|
||||
Successful SSA optimization PassNFinalizeNumberTypeConversions
|
||||
Alias (word) main::p#0 = (word~) main::$3
|
||||
Alias (word*) main::q#0 = (word*~) main::$0
|
||||
Successful SSA optimization Pass2AliasElimination
|
||||
Constant right-side identified [0] (word) main::p#0 ← (byte) 2 w= (byte) 3
|
||||
Constant right-side identified [2] (word*) main::q#0 ← & (word) main::p#0
|
||||
Successful SSA optimization Pass2ConstantRValueConsolidation
|
||||
Constant (const word*) main::q#0 = &main::p#0
|
||||
Constant (const byte*) main::SCREEN#0 = (byte*) 1024
|
||||
Successful SSA optimization Pass2ConstantIdentification
|
||||
Simplifying expression containing zero main::SCREEN#0 in [6] *((const byte*) main::SCREEN#0 + (byte) 0) ← (byte~) main::$1
|
||||
Successful SSA optimization PassNSimplifyExpressionWithZero
|
||||
Adding number conversion cast (unumber) 2*$100+3 in (word) main::p#0 ← (byte) 2*(number) $100+(byte) 3
|
||||
Adding number conversion cast (unumber) 2*$100 in (word) main::p#0 ← ((unumber)) (byte) 2*(number) $100+(byte) 3
|
||||
Adding number conversion cast (unumber) $100 in (word) main::p#0 ← ((unumber)) (unumber)(byte) 2*(number) $100+(byte) 3
|
||||
Successful SSA optimization PassNAddNumberTypeConversions
|
||||
Inlining cast (word) main::p#0 ← (unumber)(unumber)(byte) 2*(unumber)(number) $100+(byte) 3
|
||||
Successful SSA optimization Pass2InlineCast
|
||||
Simplifying constant integer cast (unumber)(byte) 2*(unumber)(number) $100+(byte) 3
|
||||
Simplifying constant integer cast (byte) 2*(unumber)(number) $100
|
||||
Simplifying constant integer cast $100
|
||||
Successful SSA optimization PassNCastSimplification
|
||||
Finalized unsigned number type (word) $100
|
||||
Successful SSA optimization PassNFinalizeNumberTypeConversions
|
||||
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 @end
|
||||
CALL GRAPH
|
||||
Calls in [] to main:2
|
||||
|
||||
Created 0 initial phi equivalence classes
|
||||
Coalesced down to 0 phi equivalence classes
|
||||
Culled Empty Block (label) @2
|
||||
Adding NOP phi() at start of @begin
|
||||
Adding NOP phi() at start of @1
|
||||
Adding NOP phi() at start of @end
|
||||
|
||||
FINAL CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
[0] phi()
|
||||
to:@1
|
||||
@1: scope:[] from @begin
|
||||
[1] phi()
|
||||
[2] call main
|
||||
to:@end
|
||||
@end: scope:[] from @1
|
||||
[3] phi()
|
||||
main: scope:[main] from @1
|
||||
[4] (word) main::p#0 ← (byte) 2*(word) $100+(byte) 3
|
||||
[5] (byte~) main::$1 ← < *((const word*) main::q#0)
|
||||
[6] *((const byte*) main::SCREEN#0) ← (byte~) main::$1
|
||||
[7] (byte~) main::$2 ← > *((const word*) main::q#0)
|
||||
[8] *((const byte*) main::SCREEN#0+(byte) 1) ← (byte~) main::$2
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main
|
||||
[9] return
|
||||
to:@return
|
||||
|
||||
|
||||
VARIABLE REGISTER WEIGHTS
|
||||
(void()) main()
|
||||
(byte~) main::$1 4.0
|
||||
(byte~) main::$2 4.0
|
||||
(byte*) main::SCREEN
|
||||
(word) main::p
|
||||
(word) main::p#0 20.0
|
||||
(word*) main::q
|
||||
|
||||
Initial phi equivalence classes
|
||||
Added variable main::p#0 to zero page equivalence class [ main::p#0 ]
|
||||
Added variable main::$1 to zero page equivalence class [ main::$1 ]
|
||||
Added variable main::$2 to zero page equivalence class [ main::$2 ]
|
||||
Complete equivalence classes
|
||||
[ main::p#0 ]
|
||||
[ main::$1 ]
|
||||
[ main::$2 ]
|
||||
Allocated zp ZP_WORD:2 [ main::p#0 ]
|
||||
Allocated zp ZP_BYTE:4 [ main::$1 ]
|
||||
Allocated zp ZP_BYTE:5 [ main::$2 ]
|
||||
|
||||
INITIAL ASM
|
||||
//SEG0 File Comments
|
||||
// Reference file for Minimal struct - using address-of
|
||||
//SEG1 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(bbegin)
|
||||
.pc = $80d "Program"
|
||||
//SEG2 Global Constants & labels
|
||||
//SEG3 @begin
|
||||
bbegin:
|
||||
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
b1_from_bbegin:
|
||||
jmp b1
|
||||
//SEG5 @1
|
||||
b1:
|
||||
//SEG6 [2] call main
|
||||
jsr main
|
||||
//SEG7 [3] phi from @1 to @end [phi:@1->@end]
|
||||
bend_from_b1:
|
||||
jmp bend
|
||||
//SEG8 @end
|
||||
bend:
|
||||
//SEG9 main
|
||||
main: {
|
||||
.label q = p
|
||||
.label SCREEN = $400
|
||||
.label _1 = 4
|
||||
.label _2 = 5
|
||||
.label p = 2
|
||||
//SEG10 [4] (word) main::p#0 ← (byte) 2*(word) $100+(byte) 3 -- vwuz1=vwuc1
|
||||
lda #<2*$100+3
|
||||
sta p
|
||||
lda #>2*$100+3
|
||||
sta p+1
|
||||
//SEG11 [5] (byte~) main::$1 ← < *((const word*) main::q#0) -- vbuz1=_lo__deref_pwuc1
|
||||
lda q
|
||||
sta _1
|
||||
//SEG12 [6] *((const byte*) main::SCREEN#0) ← (byte~) main::$1 -- _deref_pbuc1=vbuz1
|
||||
lda _1
|
||||
sta SCREEN
|
||||
//SEG13 [7] (byte~) main::$2 ← > *((const word*) main::q#0) -- vbuz1=_hi__deref_pwuc1
|
||||
lda q+1
|
||||
sta _2
|
||||
//SEG14 [8] *((const byte*) main::SCREEN#0+(byte) 1) ← (byte~) main::$2 -- _deref_pbuc1=vbuz1
|
||||
lda _2
|
||||
sta SCREEN+1
|
||||
jmp breturn
|
||||
//SEG15 main::@return
|
||||
breturn:
|
||||
//SEG16 [9] return
|
||||
rts
|
||||
}
|
||||
|
||||
REGISTER UPLIFT POTENTIAL REGISTERS
|
||||
Statement [4] (word) main::p#0 ← (byte) 2*(word) $100+(byte) 3 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Potential registers zp ZP_WORD:2 [ main::p#0 ] : zp ZP_WORD:2 ,
|
||||
Potential registers zp ZP_BYTE:4 [ main::$1 ] : zp ZP_BYTE:4 , reg byte a , reg byte x , reg byte y ,
|
||||
Potential registers zp ZP_BYTE:5 [ main::$2 ] : zp ZP_BYTE:5 , reg byte a , reg byte x , reg byte y ,
|
||||
|
||||
REGISTER UPLIFT SCOPES
|
||||
Uplift Scope [main] 20: zp ZP_WORD:2 [ main::p#0 ] 4: zp ZP_BYTE:4 [ main::$1 ] 4: zp ZP_BYTE:5 [ main::$2 ]
|
||||
Uplift Scope []
|
||||
|
||||
Uplifting [main] best 47 combination zp ZP_WORD:2 [ main::p#0 ] reg byte a [ main::$1 ] reg byte a [ main::$2 ]
|
||||
Uplifting [] best 47 combination
|
||||
|
||||
ASSEMBLER BEFORE OPTIMIZATION
|
||||
//SEG0 File Comments
|
||||
// Reference file for Minimal struct - using address-of
|
||||
//SEG1 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(bbegin)
|
||||
.pc = $80d "Program"
|
||||
//SEG2 Global Constants & labels
|
||||
//SEG3 @begin
|
||||
bbegin:
|
||||
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
b1_from_bbegin:
|
||||
jmp b1
|
||||
//SEG5 @1
|
||||
b1:
|
||||
//SEG6 [2] call main
|
||||
jsr main
|
||||
//SEG7 [3] phi from @1 to @end [phi:@1->@end]
|
||||
bend_from_b1:
|
||||
jmp bend
|
||||
//SEG8 @end
|
||||
bend:
|
||||
//SEG9 main
|
||||
main: {
|
||||
.label q = p
|
||||
.label SCREEN = $400
|
||||
.label p = 2
|
||||
//SEG10 [4] (word) main::p#0 ← (byte) 2*(word) $100+(byte) 3 -- vwuz1=vwuc1
|
||||
lda #<2*$100+3
|
||||
sta p
|
||||
lda #>2*$100+3
|
||||
sta p+1
|
||||
//SEG11 [5] (byte~) main::$1 ← < *((const word*) main::q#0) -- vbuaa=_lo__deref_pwuc1
|
||||
lda q
|
||||
//SEG12 [6] *((const byte*) main::SCREEN#0) ← (byte~) main::$1 -- _deref_pbuc1=vbuaa
|
||||
sta SCREEN
|
||||
//SEG13 [7] (byte~) main::$2 ← > *((const word*) main::q#0) -- vbuaa=_hi__deref_pwuc1
|
||||
lda q+1
|
||||
//SEG14 [8] *((const byte*) main::SCREEN#0+(byte) 1) ← (byte~) main::$2 -- _deref_pbuc1=vbuaa
|
||||
sta SCREEN+1
|
||||
jmp breturn
|
||||
//SEG15 main::@return
|
||||
breturn:
|
||||
//SEG16 [9] return
|
||||
rts
|
||||
}
|
||||
|
||||
ASSEMBLER OPTIMIZATIONS
|
||||
Removing instruction jmp b1
|
||||
Removing instruction jmp bend
|
||||
Removing instruction jmp breturn
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
Removing instruction b1_from_bbegin:
|
||||
Removing instruction b1:
|
||||
Removing instruction bend_from_b1:
|
||||
Succesful ASM optimization Pass5RedundantLabelElimination
|
||||
Removing instruction bend:
|
||||
Removing instruction breturn:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
Updating BasicUpstart to call main directly
|
||||
Removing instruction jsr main
|
||||
Succesful ASM optimization Pass5SkipBegin
|
||||
Removing instruction bbegin:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
|
||||
FINAL SYMBOL TABLE
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(void()) main()
|
||||
(byte~) main::$1 reg byte a 4.0
|
||||
(byte~) main::$2 reg byte a 4.0
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN
|
||||
(const byte*) main::SCREEN#0 SCREEN = (byte*) 1024
|
||||
(word) main::p
|
||||
(word) main::p#0 p zp ZP_WORD:2 20.0
|
||||
(word*) main::q
|
||||
(const word*) main::q#0 q = &(word) main::p#0
|
||||
|
||||
zp ZP_WORD:2 [ main::p#0 ]
|
||||
reg byte a [ main::$1 ]
|
||||
reg byte a [ main::$2 ]
|
||||
|
||||
|
||||
FINAL ASSEMBLER
|
||||
Score: 32
|
||||
|
||||
//SEG0 File Comments
|
||||
// Reference file for Minimal struct - using address-of
|
||||
//SEG1 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
//SEG2 Global Constants & labels
|
||||
//SEG3 @begin
|
||||
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
//SEG5 @1
|
||||
//SEG6 [2] call main
|
||||
//SEG7 [3] phi from @1 to @end [phi:@1->@end]
|
||||
//SEG8 @end
|
||||
//SEG9 main
|
||||
main: {
|
||||
.label q = p
|
||||
.label SCREEN = $400
|
||||
.label p = 2
|
||||
//SEG10 [4] (word) main::p#0 ← (byte) 2*(word) $100+(byte) 3 -- vwuz1=vwuc1
|
||||
lda #<2*$100+3
|
||||
sta p
|
||||
lda #>2*$100+3
|
||||
sta p+1
|
||||
//SEG11 [5] (byte~) main::$1 ← < *((const word*) main::q#0) -- vbuaa=_lo__deref_pwuc1
|
||||
lda q
|
||||
//SEG12 [6] *((const byte*) main::SCREEN#0) ← (byte~) main::$1 -- _deref_pbuc1=vbuaa
|
||||
sta SCREEN
|
||||
//SEG13 [7] (byte~) main::$2 ← > *((const word*) main::q#0) -- vbuaa=_hi__deref_pwuc1
|
||||
lda q+1
|
||||
//SEG14 [8] *((const byte*) main::SCREEN#0+(byte) 1) ← (byte~) main::$2 -- _deref_pbuc1=vbuaa
|
||||
sta SCREEN+1
|
||||
//SEG15 main::@return
|
||||
//SEG16 [9] return
|
||||
rts
|
||||
}
|
||||
|
||||
17
src/test/ref/struct-ptr-12-ref.sym
Normal file
17
src/test/ref/struct-ptr-12-ref.sym
Normal file
@ -0,0 +1,17 @@
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(void()) main()
|
||||
(byte~) main::$1 reg byte a 4.0
|
||||
(byte~) main::$2 reg byte a 4.0
|
||||
(label) main::@return
|
||||
(byte*) main::SCREEN
|
||||
(const byte*) main::SCREEN#0 SCREEN = (byte*) 1024
|
||||
(word) main::p
|
||||
(word) main::p#0 p zp ZP_WORD:2 20.0
|
||||
(word*) main::q
|
||||
(const word*) main::q#0 q = &(word) main::p#0
|
||||
|
||||
zp ZP_WORD:2 [ main::p#0 ]
|
||||
reg byte a [ main::$1 ]
|
||||
reg byte a [ main::$2 ]
|
||||
Loading…
Reference in New Issue
Block a user