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Working on static initialization rewrite _init(). #257
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@ -91,6 +91,7 @@ public class Pass0GenerateStatementSequence extends KickCParserBaseVisitor<Objec
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if(initProc == null) {
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// Create the _init() procedure
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initProc = new Procedure(SymbolRef.INIT_PROC_NAME, SymbolType.VOID, program.getScope(), Scope.SEGMENT_CODE_DEFAULT, Scope.SEGMENT_DATA_DEFAULT, Procedure.CallingConvention.PHI_CALL);
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initProc.setDeclaredInline(true);
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initProc.setParameters(new ArrayList<>());
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program.getScope().add(initProc);
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program.createProcedureCompilation(initProc.getRef());
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@ -258,19 +258,17 @@ public class Pass1GenerateSingleStaticAssignmentForm extends Pass1Base {
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if(symbol instanceof Procedure) {
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Procedure procedure = (Procedure) symbol;
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if(procedure.getInterruptType() != null || Pass2ConstantIdentification.isAddressOfUsed(procedure.getRef(), program)) {
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final ControlFlowBlock startBlock = program.getGraph().getBlock(program.getStartProcedure().getLabelRef());
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// Find all root-level predecessors to the main block
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ControlFlowBlock mainBlock = program.getGraph().getBlock(new LabelRef(SymbolRef.MAIN_PROC_NAME));
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List<ControlFlowBlock> mainPredecessors = program.getGraph().getPredecessors(mainBlock);
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for(ControlFlowBlock mainPredecessor : mainPredecessors) {
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if(mainPredecessor.getScope().equals(ScopeRef.ROOT)) {
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predecessors.add(mainPredecessor);
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throw new RuntimeException("W");
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}
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}
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}
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if(procedure.getRef().equals(program.getStartProcedure())) {
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// TODO: Does this handle main() / _start() correctly?
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program.getLog().append("Does this handle main() / _start() correctly?");
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}
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}
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return predecessors;
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}
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@ -82,13 +82,13 @@ public class PassNBlockSequencePlanner extends Pass2SsaOptimization {
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Scope blockScope = getScope().getSymbol(blockRef).getScope();
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for(ScopeTodo todoScope : todoScopes) {
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if(todoScope.scope.equals(blockScope)) {
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todoScope.addTodo(block);
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todoScope.pushTodo(block);
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return;
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}
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}
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ScopeTodo newScopeTodo = new ScopeTodo(blockScope);
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todoScopes.push(newScopeTodo);
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newScopeTodo.addTodo(block);
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newScopeTodo.pushTodo(block);
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}
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void pushCallTodo(ControlFlowBlock block) {
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@ -105,7 +105,7 @@ public class PassNBlockSequencePlanner extends Pass2SsaOptimization {
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if(todoScopes.size() > 0)
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top = todoScopes.pop();
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todoScopes.push(newScopeTodo);
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newScopeTodo.addTodo(block);
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newScopeTodo.pushTodo(block);
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if(top != null)
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todoScopes.push(top);
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}
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@ -128,16 +128,21 @@ public class PassNBlockSequencePlanner extends Pass2SsaOptimization {
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Scope scope;
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Stack<ControlFlowBlock> todo;
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Deque<ControlFlowBlock> todo;
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public ScopeTodo(Scope scope) {
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this.scope = scope;
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this.todo = new Stack<>();
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this.todo = new LinkedList<>();
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}
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public void pushTodo(ControlFlowBlock block) {
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todo.addFirst(block);
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}
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public void addTodo(ControlFlowBlock block) {
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todo.push(block);
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todo.addLast(block);
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}
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}
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@ -4460,9 +4460,9 @@ public class TestPrograms {
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ReferenceHelper helper = new ReferenceHelperFolder(refPath);
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String baseFileName = Compiler.removeFileNameExtension(fileName);
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success &= helper.testOutput(baseFileName, ".asm", program.getAsm().toString(new AsmProgram.AsmPrintState(false, true, false, false), program));
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success &= helper.testOutput(baseFileName, ".sym", program.getScope().toString(program, false));
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success &= helper.testOutput(baseFileName, ".cfg", program.getGraph().toString(program));
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success &= helper.testOutput(baseFileName, ".log", program.getLog().toString());
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//success &= helper.testOutput(baseFileName, ".sym", program.getScope().toString(program, false));
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//success &= helper.testOutput(baseFileName, ".cfg", program.getGraph().toString(program));
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//success &= helper.testOutput(baseFileName, ".log", program.getLog().toString());
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if(!success) {
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//System.out.println("\nCOMPILE LOG");
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//System.out.println(program.getLog().toString());
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@ -1,16 +1,17 @@
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// Test that address vars are turned into load/store and located at hardcoded addresses
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// Hard-coded zero-page address - global variable
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.pc = $801 "Basic"
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:BasicUpstart(__bbegin)
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:BasicUpstart(_start)
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.pc = $80d "Program"
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.label SCREEN = $400
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.label i = 2
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__bbegin:
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_start: {
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// i = 3
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lda #3
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sta.z i
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jsr main
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rts
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}
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main: {
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__b1:
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// while(i<7)
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@ -1,24 +1,30 @@
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@begin: scope:[] from
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[0] (byte) i ← (byte) 3
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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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(void()) _start()
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_start: scope:[_start] from
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[0] phi()
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to:_start::_init1
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_start::_init1: scope:[_start] from _start
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[1] (byte) i ← (byte) 3
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to:_start::@1
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_start::@1: scope:[_start] from _start::_init1
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[2] phi()
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[3] call main
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to:_start::@return
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_start::@return: scope:[_start] from _start::@1
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[4] return
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to:@return
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(void()) main()
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main: scope:[main] from @1
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[4] phi()
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main: scope:[main] from _start::@1
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[5] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@2
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[5] if((byte) i<(byte) 7) goto main::@2
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[6] if((byte) i<(byte) 7) goto main::@2
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to:main::@return
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main::@return: scope:[main] from main::@1
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[6] return
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[7] return
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to:@return
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main::@2: scope:[main] from main::@1
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[7] *((const nomodify byte*) SCREEN + (byte) i) ← (byte) i
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[8] (byte) i ← ++ (byte) i
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[8] *((const nomodify byte*) SCREEN + (byte) i) ← (byte) i
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[9] (byte) i ← ++ (byte) i
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to:main::@1
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@ -1,11 +1,9 @@
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Inlined call call _init
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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(byte) i ← (byte) 3
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to:@1
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(void()) main()
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main: scope:[main] from @1
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main: scope:[main] from _start::@1
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to:main::@1
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main::@1: scope:[main] from main main::@2
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(bool~) main::$0 ← (byte) i < (number) 7
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@ -18,19 +16,29 @@ main::@2: scope:[main] from main::@1
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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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(void()) _start()
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_start: scope:[_start] from
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to:_start::_init1
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_start::_init1: scope:[_start] from _start
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(byte) i ← (byte) 3
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to:_start::@1
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_start::@1: scope:[_start] from _start::_init1
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call main
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to:@2
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@2: scope:[] from @1
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to:@end
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@end: scope:[] from @2
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to:_start::@2
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_start::@2: scope:[_start] from _start::@1
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to:_start::@return
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_start::@return: scope:[_start] from _start::@2
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return
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to:@return
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SYMBOL TABLE SSA
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(label) @1
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(label) @2
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(label) @begin
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(label) @end
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(const nomodify byte*) SCREEN = (byte*)(number) $400
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(void()) _start()
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(label) _start::@1
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(label) _start::@2
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(label) _start::@return
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(label) _start::_init1
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(byte) i loadstore !zp[-1]:2
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(void()) main()
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(bool~) main::$0
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@ -45,50 +53,59 @@ Simplifying constant integer cast 7
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 7
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Simple Condition (bool~) main::$0 [2] if((byte) i<(byte) 7) goto main::@2
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Simple Condition (bool~) main::$0 [1] if((byte) i<(byte) 7) goto main::@2
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of _start
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Adding NOP phi() at start of _start::@1
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Adding NOP phi() at start of _start::@2
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Adding NOP phi() at start of main
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CALL GRAPH
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Calls in [] to main:2
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Calls in [_start] to main:3
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Does this handle main() / _start() correctly?
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Created 0 initial phi equivalence classes
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Coalesced down to 0 phi equivalence classes
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Culled Empty Block (label) @2
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @end
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Culled Empty Block (label) _start::@2
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Adding NOP phi() at start of _start
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Adding NOP phi() at start of _start::@1
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Adding NOP phi() at start of main
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Does this handle main() / _start() correctly?
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FINAL CONTROL FLOW GRAPH
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@begin: scope:[] from
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[0] (byte) i ← (byte) 3
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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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(void()) _start()
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_start: scope:[_start] from
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[0] phi()
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to:_start::_init1
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_start::_init1: scope:[_start] from _start
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[1] (byte) i ← (byte) 3
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to:_start::@1
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_start::@1: scope:[_start] from _start::_init1
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[2] phi()
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[3] call main
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to:_start::@return
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_start::@return: scope:[_start] from _start::@1
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[4] return
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to:@return
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(void()) main()
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main: scope:[main] from @1
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[4] phi()
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main: scope:[main] from _start::@1
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[5] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@2
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[5] if((byte) i<(byte) 7) goto main::@2
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[6] if((byte) i<(byte) 7) goto main::@2
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to:main::@return
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main::@return: scope:[main] from main::@1
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[6] return
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[7] return
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to:@return
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main::@2: scope:[main] from main::@1
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[7] *((const nomodify byte*) SCREEN + (byte) i) ← (byte) i
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[8] (byte) i ← ++ (byte) i
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[8] *((const nomodify byte*) SCREEN + (byte) i) ← (byte) i
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[9] (byte) i ← ++ (byte) i
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to:main::@1
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VARIABLE REGISTER WEIGHTS
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(void()) _start()
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(byte) i loadstore !zp[-1]:2 84.49999999999999
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(void()) main()
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@ -104,70 +121,76 @@ Target platform is c64basic / MOS6502X
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// Hard-coded zero-page address - global variable
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(__bbegin)
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:BasicUpstart(_start)
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.pc = $80d "Program"
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// Global Constants & labels
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.label SCREEN = $400
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.label i = 2
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// @begin
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__bbegin:
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// [0] (byte) i ← (byte) 3 -- vbuz1=vbuc1
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// _start
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_start: {
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jmp _init1
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// _start::_init1
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_init1:
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// [1] (byte) i ← (byte) 3 -- vbuz1=vbuc1
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lda #3
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sta.z i
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// [1] phi from @begin to @1 [phi:@begin->@1]
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__b1_from___bbegin:
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// [2] phi from _start::_init1 to _start::@1 [phi:_start::_init1->_start::@1]
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__b1_from__init1:
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jmp __b1
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// @1
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__b1:
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// [2] call main
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// [4] phi from @1 to main [phi:@1->main]
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main_from___b1:
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// _start::@1
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__b1:
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// [3] call main
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// [5] phi from _start::@1 to main [phi:_start::@1->main]
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main_from___b1:
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jsr main
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// [3] phi from @1 to @end [phi:@1->@end]
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__bend_from___b1:
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jmp __bend
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// @end
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__bend:
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jmp __breturn
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// _start::@return
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__breturn:
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// [4] return
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rts
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}
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// main
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main: {
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jmp __b1
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// main::@1
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__b1:
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// [5] if((byte) i<(byte) 7) goto main::@2 -- vbuz1_lt_vbuc1_then_la1
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// [6] if((byte) i<(byte) 7) goto main::@2 -- vbuz1_lt_vbuc1_then_la1
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lda.z i
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cmp #7
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bcc __b2
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jmp __breturn
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// main::@return
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__breturn:
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// [6] return
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// [7] return
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rts
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// main::@2
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__b2:
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// [7] *((const nomodify byte*) SCREEN + (byte) i) ← (byte) i -- pbuc1_derefidx_vbuz1=vbuz1
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// [8] *((const nomodify byte*) SCREEN + (byte) i) ← (byte) i -- pbuc1_derefidx_vbuz1=vbuz1
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ldy.z i
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tya
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sta SCREEN,y
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// [8] (byte) i ← ++ (byte) i -- vbuz1=_inc_vbuz1
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// [9] (byte) i ← ++ (byte) i -- vbuz1=_inc_vbuz1
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inc.z i
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jmp __b1
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}
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// File Data
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [0] (byte) i ← (byte) 3 [ i ] ( [ i ] { } ) always clobbers reg byte a
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Statement [5] if((byte) i<(byte) 7) goto main::@2 [ i ] ( main:2 [ i ] { } ) always clobbers reg byte a
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Statement [7] *((const nomodify byte*) SCREEN + (byte) i) ← (byte) i [ i ] ( main:2 [ i ] { } ) always clobbers reg byte a reg byte y
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Statement [1] (byte) i ← (byte) 3 [ i ] ( [ i ] { } ) always clobbers reg byte a
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Statement [6] if((byte) i<(byte) 7) goto main::@2 [ i ] ( main:3 [ i ] { } ) always clobbers reg byte a
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Statement [8] *((const nomodify byte*) SCREEN + (byte) i) ← (byte) i [ i ] ( main:3 [ i ] { } ) always clobbers reg byte a reg byte y
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Potential registers zp[1]:2 [ i ] : zp[1]:2 ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [] 84.5: zp[1]:2 [ i ]
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Uplift Scope [main]
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Uplift Scope [_start]
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Uplifting [] best 338 combination zp[1]:2 [ i ]
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Uplifting [main] best 338 combination
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Uplifting [] best 374 combination zp[1]:2 [ i ]
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Uplifting [main] best 374 combination
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Uplifting [_start] best 374 combination
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Attempting to uplift remaining variables inzp[1]:2 [ i ]
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Uplifting [] best 338 combination zp[1]:2 [ i ]
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Uplifting [] best 374 combination zp[1]:2 [ i ]
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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@ -175,78 +198,82 @@ ASSEMBLER BEFORE OPTIMIZATION
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// Hard-coded zero-page address - global variable
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(__bbegin)
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:BasicUpstart(_start)
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.pc = $80d "Program"
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// Global Constants & labels
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.label SCREEN = $400
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.label i = 2
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// @begin
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__bbegin:
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// [0] (byte) i ← (byte) 3 -- vbuz1=vbuc1
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// _start
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_start: {
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jmp _init1
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// _start::_init1
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_init1:
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// [1] (byte) i ← (byte) 3 -- vbuz1=vbuc1
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lda #3
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sta.z i
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// [1] phi from @begin to @1 [phi:@begin->@1]
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__b1_from___bbegin:
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// [2] phi from _start::_init1 to _start::@1 [phi:_start::_init1->_start::@1]
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__b1_from__init1:
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jmp __b1
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// @1
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__b1:
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// [2] call main
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// [4] phi from @1 to main [phi:@1->main]
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main_from___b1:
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// _start::@1
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__b1:
|
||||
// [3] call main
|
||||
// [5] phi from _start::@1 to main [phi:_start::@1->main]
|
||||
main_from___b1:
|
||||
jsr main
|
||||
// [3] phi from @1 to @end [phi:@1->@end]
|
||||
__bend_from___b1:
|
||||
jmp __bend
|
||||
// @end
|
||||
__bend:
|
||||
jmp __breturn
|
||||
// _start::@return
|
||||
__breturn:
|
||||
// [4] return
|
||||
rts
|
||||
}
|
||||
// main
|
||||
main: {
|
||||
jmp __b1
|
||||
// main::@1
|
||||
__b1:
|
||||
// [5] if((byte) i<(byte) 7) goto main::@2 -- vbuz1_lt_vbuc1_then_la1
|
||||
// [6] if((byte) i<(byte) 7) goto main::@2 -- vbuz1_lt_vbuc1_then_la1
|
||||
lda.z i
|
||||
cmp #7
|
||||
bcc __b2
|
||||
jmp __breturn
|
||||
// main::@return
|
||||
__breturn:
|
||||
// [6] return
|
||||
// [7] return
|
||||
rts
|
||||
// main::@2
|
||||
__b2:
|
||||
// [7] *((const nomodify byte*) SCREEN + (byte) i) ← (byte) i -- pbuc1_derefidx_vbuz1=vbuz1
|
||||
// [8] *((const nomodify byte*) SCREEN + (byte) i) ← (byte) i -- pbuc1_derefidx_vbuz1=vbuz1
|
||||
ldy.z i
|
||||
tya
|
||||
sta SCREEN,y
|
||||
// [8] (byte) i ← ++ (byte) i -- vbuz1=_inc_vbuz1
|
||||
// [9] (byte) i ← ++ (byte) i -- vbuz1=_inc_vbuz1
|
||||
inc.z i
|
||||
jmp __b1
|
||||
}
|
||||
// File Data
|
||||
|
||||
ASSEMBLER OPTIMIZATIONS
|
||||
Removing instruction jmp _init1
|
||||
Removing instruction jmp __b1
|
||||
Removing instruction jmp __bend
|
||||
Removing instruction jmp __breturn
|
||||
Removing instruction jmp __b1
|
||||
Removing instruction jmp __breturn
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
Removing instruction __b1_from___bbegin:
|
||||
Removing instruction __b1_from__init1:
|
||||
Removing instruction main_from___b1:
|
||||
Removing instruction __bend_from___b1:
|
||||
Succesful ASM optimization Pass5RedundantLabelElimination
|
||||
Removing instruction _init1:
|
||||
Removing instruction __b1:
|
||||
Removing instruction __bend:
|
||||
Removing instruction __breturn:
|
||||
Removing instruction __breturn:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
Adding RTS to root block
|
||||
Succesful ASM optimization Pass5AddMainRts
|
||||
|
||||
FINAL SYMBOL TABLE
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(const nomodify byte*) SCREEN = (byte*) 1024
|
||||
(void()) _start()
|
||||
(label) _start::@1
|
||||
(label) _start::@return
|
||||
(label) _start::_init1
|
||||
(byte) i loadstore !zp[-1]:2 zp[1]:2 84.49999999999999
|
||||
(void()) main()
|
||||
(label) main::@1
|
||||
@ -264,47 +291,49 @@ Score: 278
|
||||
// Hard-coded zero-page address - global variable
|
||||
// Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(__bbegin)
|
||||
:BasicUpstart(_start)
|
||||
.pc = $80d "Program"
|
||||
// Global Constants & labels
|
||||
.label SCREEN = $400
|
||||
.label i = 2
|
||||
// @begin
|
||||
__bbegin:
|
||||
// _start
|
||||
_start: {
|
||||
// _start::_init1
|
||||
// i = 3
|
||||
// [0] (byte) i ← (byte) 3 -- vbuz1=vbuc1
|
||||
// [1] (byte) i ← (byte) 3 -- vbuz1=vbuc1
|
||||
lda #3
|
||||
sta.z i
|
||||
// [1] phi from @begin to @1 [phi:@begin->@1]
|
||||
// @1
|
||||
// [2] call main
|
||||
// [4] phi from @1 to main [phi:@1->main]
|
||||
// [2] phi from _start::_init1 to _start::@1 [phi:_start::_init1->_start::@1]
|
||||
// _start::@1
|
||||
// [3] call main
|
||||
// [5] phi from _start::@1 to main [phi:_start::@1->main]
|
||||
jsr main
|
||||
// _start::@return
|
||||
// [4] return
|
||||
rts
|
||||
// [3] phi from @1 to @end [phi:@1->@end]
|
||||
// @end
|
||||
}
|
||||
// main
|
||||
main: {
|
||||
// main::@1
|
||||
__b1:
|
||||
// while(i<7)
|
||||
// [5] if((byte) i<(byte) 7) goto main::@2 -- vbuz1_lt_vbuc1_then_la1
|
||||
// [6] if((byte) i<(byte) 7) goto main::@2 -- vbuz1_lt_vbuc1_then_la1
|
||||
lda.z i
|
||||
cmp #7
|
||||
bcc __b2
|
||||
// main::@return
|
||||
// }
|
||||
// [6] return
|
||||
// [7] return
|
||||
rts
|
||||
// main::@2
|
||||
__b2:
|
||||
// SCREEN[i++] = i
|
||||
// [7] *((const nomodify byte*) SCREEN + (byte) i) ← (byte) i -- pbuc1_derefidx_vbuz1=vbuz1
|
||||
// [8] *((const nomodify byte*) SCREEN + (byte) i) ← (byte) i -- pbuc1_derefidx_vbuz1=vbuz1
|
||||
ldy.z i
|
||||
tya
|
||||
sta SCREEN,y
|
||||
// SCREEN[i++] = i;
|
||||
// [8] (byte) i ← ++ (byte) i -- vbuz1=_inc_vbuz1
|
||||
// [9] (byte) i ← ++ (byte) i -- vbuz1=_inc_vbuz1
|
||||
inc.z i
|
||||
jmp __b1
|
||||
}
|
||||
|
@ -1,7 +1,8 @@
|
||||
(label) @1
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(const nomodify byte*) SCREEN = (byte*) 1024
|
||||
(void()) _start()
|
||||
(label) _start::@1
|
||||
(label) _start::@return
|
||||
(label) _start::_init1
|
||||
(byte) i loadstore !zp[-1]:2 zp[1]:2 84.49999999999999
|
||||
(void()) main()
|
||||
(label) main::@1
|
||||
|
@ -12,16 +12,6 @@ _start: {
|
||||
jsr main
|
||||
rts
|
||||
}
|
||||
main: {
|
||||
// SCREEN[0] = c1
|
||||
lda.z c1
|
||||
sta SCREEN
|
||||
// SCREEN[1] = c2
|
||||
lda.z c2
|
||||
sta SCREEN+1
|
||||
// }
|
||||
rts
|
||||
}
|
||||
_init: {
|
||||
// c1 = 'o'
|
||||
// Initialize a volatile ZP-variable (will be done in the initializer)
|
||||
@ -33,3 +23,13 @@ _init: {
|
||||
sta.z c2
|
||||
rts
|
||||
}
|
||||
main: {
|
||||
// SCREEN[0] = c1
|
||||
lda.z c1
|
||||
sta SCREEN
|
||||
// SCREEN[1] = c2
|
||||
lda.z c2
|
||||
sta SCREEN+1
|
||||
// }
|
||||
rts
|
||||
}
|
||||
|
@ -12,20 +12,20 @@ _start::@return: scope:[_start] from _start::@1
|
||||
[4] return
|
||||
to:@return
|
||||
|
||||
(void()) main()
|
||||
main: scope:[main] from _start::@1
|
||||
[5] *((const nomodify byte*) SCREEN) ← (volatile byte) c1
|
||||
[6] *((const nomodify byte*) SCREEN+(byte) 1) ← (volatile byte) c2
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main
|
||||
(void()) _init()
|
||||
_init: scope:[_init] from _start
|
||||
[5] (volatile byte) c1 ← (byte) 'o'
|
||||
[6] (volatile byte) c2 ← (byte) 'k'
|
||||
to:_init::@return
|
||||
_init::@return: scope:[_init] from _init
|
||||
[7] return
|
||||
to:@return
|
||||
|
||||
(void()) _init()
|
||||
_init: scope:[_init] from _start
|
||||
[8] (volatile byte) c1 ← (byte) 'o'
|
||||
[9] (volatile byte) c2 ← (byte) 'k'
|
||||
to:_init::@return
|
||||
_init::@return: scope:[_init] from _init
|
||||
(void()) main()
|
||||
main: scope:[main] from _start::@1
|
||||
[8] *((const nomodify byte*) SCREEN) ← (volatile byte) c1
|
||||
[9] *((const nomodify byte*) SCREEN+(byte) 1) ← (volatile byte) c2
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main
|
||||
[10] return
|
||||
to:@return
|
||||
|
@ -89,21 +89,21 @@ _start::@return: scope:[_start] from _start::@1
|
||||
[4] return
|
||||
to:@return
|
||||
|
||||
(void()) main()
|
||||
main: scope:[main] from _start::@1
|
||||
[5] *((const nomodify byte*) SCREEN) ← (volatile byte) c1
|
||||
[6] *((const nomodify byte*) SCREEN+(byte) 1) ← (volatile byte) c2
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main
|
||||
(void()) _init()
|
||||
_init: scope:[_init] from _start
|
||||
[5] (volatile byte) c1 ← (byte) 'o'
|
||||
[6] (volatile byte) c2 ← (byte) 'k'
|
||||
to:_init::@return
|
||||
_init::@return: scope:[_init] from _init
|
||||
[7] return
|
||||
to:@return
|
||||
|
||||
(void()) _init()
|
||||
_init: scope:[_init] from _start
|
||||
[8] (volatile byte) c1 ← (byte) 'o'
|
||||
[9] (volatile byte) c2 ← (byte) 'k'
|
||||
to:_init::@return
|
||||
_init::@return: scope:[_init] from _init
|
||||
(void()) main()
|
||||
main: scope:[main] from _start::@1
|
||||
[8] *((const nomodify byte*) SCREEN) ← (volatile byte) c1
|
||||
[9] *((const nomodify byte*) SCREEN+(byte) 1) ← (volatile byte) c2
|
||||
to:main::@return
|
||||
main::@return: scope:[main] from main
|
||||
[10] return
|
||||
to:@return
|
||||
|
||||
@ -154,33 +154,33 @@ _start: {
|
||||
__breturn:
|
||||
// [4] return
|
||||
rts
|
||||
}
|
||||
// main
|
||||
main: {
|
||||
// [5] *((const nomodify byte*) SCREEN) ← (volatile byte) c1 -- _deref_pbuc1=vbuz1
|
||||
lda.z c1
|
||||
sta SCREEN
|
||||
// [6] *((const nomodify byte*) SCREEN+(byte) 1) ← (volatile byte) c2 -- _deref_pbuc1=vbuz1
|
||||
lda.z c2
|
||||
sta SCREEN+1
|
||||
jmp __breturn
|
||||
// main::@return
|
||||
__breturn:
|
||||
// [7] return
|
||||
rts
|
||||
}
|
||||
// _init
|
||||
_init: {
|
||||
// [8] (volatile byte) c1 ← (byte) 'o' -- vbuz1=vbuc1
|
||||
// [5] (volatile byte) c1 ← (byte) 'o' -- vbuz1=vbuc1
|
||||
// Initialize a volatile ZP-variable (will be done in the initializer)
|
||||
lda #'o'
|
||||
sta.z c1
|
||||
// [9] (volatile byte) c2 ← (byte) 'k' -- vbuz1=vbuc1
|
||||
// [6] (volatile byte) c2 ← (byte) 'k' -- vbuz1=vbuc1
|
||||
// Initialize another volatile ZP-variable (will be done in the initializer)
|
||||
lda #'k'
|
||||
sta.z c2
|
||||
jmp __breturn
|
||||
// _init::@return
|
||||
__breturn:
|
||||
// [7] return
|
||||
rts
|
||||
}
|
||||
// main
|
||||
main: {
|
||||
// [8] *((const nomodify byte*) SCREEN) ← (volatile byte) c1 -- _deref_pbuc1=vbuz1
|
||||
lda.z c1
|
||||
sta SCREEN
|
||||
// [9] *((const nomodify byte*) SCREEN+(byte) 1) ← (volatile byte) c2 -- _deref_pbuc1=vbuz1
|
||||
lda.z c2
|
||||
sta SCREEN+1
|
||||
jmp __breturn
|
||||
// main::@return
|
||||
__breturn:
|
||||
// [10] return
|
||||
rts
|
||||
@ -188,10 +188,10 @@ _init: {
|
||||
// File Data
|
||||
|
||||
REGISTER UPLIFT POTENTIAL REGISTERS
|
||||
Statement [5] *((const nomodify byte*) SCREEN) ← (volatile byte) c1 [ c2 ] ( main:3 [ c2 ] { } ) always clobbers reg byte a
|
||||
Statement [6] *((const nomodify byte*) SCREEN+(byte) 1) ← (volatile byte) c2 [ ] ( main:3 [ ] { } ) always clobbers reg byte a
|
||||
Statement [8] (volatile byte) c1 ← (byte) 'o' [ c1 ] ( _init:1 [ c1 ] { } ) always clobbers reg byte a
|
||||
Statement [9] (volatile byte) c2 ← (byte) 'k' [ c1 c2 ] ( _init:1 [ c1 c2 ] { } ) always clobbers reg byte a
|
||||
Statement [5] (volatile byte) c1 ← (byte) 'o' [ c1 ] ( _init:1 [ c1 ] { } ) always clobbers reg byte a
|
||||
Statement [6] (volatile byte) c2 ← (byte) 'k' [ c1 c2 ] ( _init:1 [ c1 c2 ] { } ) always clobbers reg byte a
|
||||
Statement [8] *((const nomodify byte*) SCREEN) ← (volatile byte) c1 [ c2 ] ( main:3 [ c2 ] { } ) always clobbers reg byte a
|
||||
Statement [9] *((const nomodify byte*) SCREEN+(byte) 1) ← (volatile byte) c2 [ ] ( main:3 [ ] { } ) always clobbers reg byte a
|
||||
Potential registers zp[1]:2 [ c1 ] : zp[1]:2 ,
|
||||
Potential registers zp[1]:3 [ c2 ] : zp[1]:3 ,
|
||||
|
||||
@ -239,33 +239,33 @@ _start: {
|
||||
__breturn:
|
||||
// [4] return
|
||||
rts
|
||||
}
|
||||
// main
|
||||
main: {
|
||||
// [5] *((const nomodify byte*) SCREEN) ← (volatile byte) c1 -- _deref_pbuc1=vbuz1
|
||||
lda.z c1
|
||||
sta SCREEN
|
||||
// [6] *((const nomodify byte*) SCREEN+(byte) 1) ← (volatile byte) c2 -- _deref_pbuc1=vbuz1
|
||||
lda.z c2
|
||||
sta SCREEN+1
|
||||
jmp __breturn
|
||||
// main::@return
|
||||
__breturn:
|
||||
// [7] return
|
||||
rts
|
||||
}
|
||||
// _init
|
||||
_init: {
|
||||
// [8] (volatile byte) c1 ← (byte) 'o' -- vbuz1=vbuc1
|
||||
// [5] (volatile byte) c1 ← (byte) 'o' -- vbuz1=vbuc1
|
||||
// Initialize a volatile ZP-variable (will be done in the initializer)
|
||||
lda #'o'
|
||||
sta.z c1
|
||||
// [9] (volatile byte) c2 ← (byte) 'k' -- vbuz1=vbuc1
|
||||
// [6] (volatile byte) c2 ← (byte) 'k' -- vbuz1=vbuc1
|
||||
// Initialize another volatile ZP-variable (will be done in the initializer)
|
||||
lda #'k'
|
||||
sta.z c2
|
||||
jmp __breturn
|
||||
// _init::@return
|
||||
__breturn:
|
||||
// [7] return
|
||||
rts
|
||||
}
|
||||
// main
|
||||
main: {
|
||||
// [8] *((const nomodify byte*) SCREEN) ← (volatile byte) c1 -- _deref_pbuc1=vbuz1
|
||||
lda.z c1
|
||||
sta SCREEN
|
||||
// [9] *((const nomodify byte*) SCREEN+(byte) 1) ← (volatile byte) c2 -- _deref_pbuc1=vbuz1
|
||||
lda.z c2
|
||||
sta SCREEN+1
|
||||
jmp __breturn
|
||||
// main::@return
|
||||
__breturn:
|
||||
// [10] return
|
||||
rts
|
||||
@ -328,35 +328,35 @@ _start: {
|
||||
// _start::@return
|
||||
// [4] return
|
||||
rts
|
||||
}
|
||||
// main
|
||||
main: {
|
||||
// SCREEN[0] = c1
|
||||
// [5] *((const nomodify byte*) SCREEN) ← (volatile byte) c1 -- _deref_pbuc1=vbuz1
|
||||
lda.z c1
|
||||
sta SCREEN
|
||||
// SCREEN[1] = c2
|
||||
// [6] *((const nomodify byte*) SCREEN+(byte) 1) ← (volatile byte) c2 -- _deref_pbuc1=vbuz1
|
||||
lda.z c2
|
||||
sta SCREEN+1
|
||||
// main::@return
|
||||
// }
|
||||
// [7] return
|
||||
rts
|
||||
}
|
||||
// _init
|
||||
_init: {
|
||||
// c1 = 'o'
|
||||
// [8] (volatile byte) c1 ← (byte) 'o' -- vbuz1=vbuc1
|
||||
// [5] (volatile byte) c1 ← (byte) 'o' -- vbuz1=vbuc1
|
||||
// Initialize a volatile ZP-variable (will be done in the initializer)
|
||||
lda #'o'
|
||||
sta.z c1
|
||||
// c2 = 'k'
|
||||
// [9] (volatile byte) c2 ← (byte) 'k' -- vbuz1=vbuc1
|
||||
// [6] (volatile byte) c2 ← (byte) 'k' -- vbuz1=vbuc1
|
||||
// Initialize another volatile ZP-variable (will be done in the initializer)
|
||||
lda #'k'
|
||||
sta.z c2
|
||||
// _init::@return
|
||||
// [7] return
|
||||
rts
|
||||
}
|
||||
// main
|
||||
main: {
|
||||
// SCREEN[0] = c1
|
||||
// [8] *((const nomodify byte*) SCREEN) ← (volatile byte) c1 -- _deref_pbuc1=vbuz1
|
||||
lda.z c1
|
||||
sta SCREEN
|
||||
// SCREEN[1] = c2
|
||||
// [9] *((const nomodify byte*) SCREEN+(byte) 1) ← (volatile byte) c2 -- _deref_pbuc1=vbuz1
|
||||
lda.z c2
|
||||
sta SCREEN+1
|
||||
// main::@return
|
||||
// }
|
||||
// [10] return
|
||||
rts
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user