mirror of
https://gitlab.com/camelot/kickc.git
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Added call-graph recursion in clobber-analysis for interrupt hardware clobber.
This commit is contained in:
Jesper Gravgaard
parent
9a9eeec129
commit
fe7950798e
@ -4,17 +4,17 @@ import dk.camelot64.kickc.asm.AsmClobber;
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import dk.camelot64.kickc.asm.AsmLine;
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import dk.camelot64.kickc.asm.AsmProgram;
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import dk.camelot64.kickc.asm.AsmSegment;
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import dk.camelot64.kickc.model.CallGraph;
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import dk.camelot64.kickc.model.Program;
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import dk.camelot64.kickc.model.Registers;
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import dk.camelot64.kickc.model.symbols.Procedure;
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import dk.camelot64.kickc.model.values.LabelRef;
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import dk.camelot64.kickc.model.values.ProcedureRef;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import java.util.ListIterator;
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import static dk.camelot64.kickc.passes.Pass4AssertNoCpuClobber.getClobberRegisters;
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/*** Ensure that all interrupt procedures with type {@link Procedure.InterruptType#HARDWARE_CLOBBER } only saves the necessary registers. */
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public class Pass4InterruptClobberFix extends Pass2Base {
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@ -30,13 +30,14 @@ public class Pass4InterruptClobberFix extends Pass2Base {
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for(Procedure procedure : procedures) {
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if(Procedure.InterruptType.HARDWARE_CLOBBER.equals(procedure.getInterruptType())) {
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// Find the interrupt routine clobber
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AsmClobber procClobber = getProcedureClobber(procedure);
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getLog().append("Interrupt procedure "+procedure.getFullName()+" clobbers "+procClobber.toString());
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// Find the entry/exit blocks for the interrupt
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AsmSegment interruptEntry = null;
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AsmSegment interruptExit = null;
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// Iterate all procedure segments to find the interrupt routine clobber
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AsmClobber procClobber = new AsmClobber();
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AsmProgram asm = getProgram().getAsm();
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for(AsmSegment asmSegment : asm.getSegments()) {
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for(AsmSegment asmSegment : getProgram().getAsm().getSegments()) {
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if(procedure.getFullName().equals(asmSegment.getScopeLabel())) {
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if(asmSegment.getSource().contains(Procedure.InterruptType.HARDWARE_CLOBBER.name())) {
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if(asmSegment.getSource().contains("entry interrupt")) {
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@ -48,11 +49,8 @@ public class Pass4InterruptClobberFix extends Pass2Base {
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}
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continue;
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}
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AsmClobber asmSegmentClobber = asmSegment.getClobber();
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procClobber.add(asmSegmentClobber);
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}
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}
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getLog().append("Interrupt procedure "+procedure.getFullName()+" clobbers "+procClobber.toString());
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if(interruptEntry==null || interruptExit==null) {
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throw new RuntimeException("Cannot find interrupt entry/exit for interrupt "+procedure.getFullName());
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}
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@ -70,6 +68,34 @@ public class Pass4InterruptClobberFix extends Pass2Base {
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}
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}
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private AsmClobber getProcedureClobber(Procedure procedure) {
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AsmProgram asm = getProgram().getAsm();
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AsmClobber procClobber =new AsmClobber();
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for(AsmSegment asmSegment : asm.getSegments()) {
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if(procedure.getFullName().equals(asmSegment.getScopeLabel())) {
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if(asmSegment.getSource().contains(Procedure.InterruptType.HARDWARE_CLOBBER.name())) {
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// Do not count clobber in the entry/exit
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continue;
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}
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AsmClobber asmSegmentClobber = asmSegment.getClobber();
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procClobber.add(asmSegmentClobber);
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}
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}
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CallGraph callGraph = getProgram().getCallGraph();
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CallGraph.CallBlock callBlock = callGraph.getCallBlock(procedure.getLabel().getRef());
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List<CallGraph.CallBlock.Call> calls = callBlock.getCalls();
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for(CallGraph.CallBlock.Call call : calls) {
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LabelRef calledProcLabel = call.getProcedure();
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ProcedureRef calledProcRef = new ProcedureRef(calledProcLabel.getFullName());
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Procedure calledProc = getProgram().getScope().getProcedure(calledProcRef);
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AsmClobber calledClobber = getProcedureClobber(calledProc);
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procClobber.add(calledClobber);
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}
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return procClobber;
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}
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private List<String> getNonClobberedRegisterNames(AsmClobber procClobber) {
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List<String> notClobberedRegisters = new ArrayList<>();
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if(!procClobber.isClobberA()) {
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@ -46,6 +46,11 @@ public class TestPrograms {
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AsmFragmentTemplateUsages.logUsages(log, false, false, false, false, false, false);
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}
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@Test
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public void testIrqHardwareClobberJsr() throws IOException, URISyntaxException {
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compileAndCompare("irq-hardware-clobber-jsr");
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}
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@Test
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public void testIrqHardwareClobber() throws IOException, URISyntaxException {
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compileAndCompare("irq-hardware-clobber");
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@ -0,0 +1,62 @@
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// A minimal working raster hardware IRQ with clobber-based register savings
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const void()** KERNEL_IRQ = $0314;
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const void()** HARDWARE_IRQ = $fffe;
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const byte* RASTER = $d012;
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const byte* VIC_CONTROL = $d011;
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const byte* IRQ_STATUS = $d019;
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const byte* IRQ_ENABLE = $d01a;
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const byte IRQ_RASTER = %00000001;
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const byte IRQ_COLLISION_BG = %00000010;
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const byte IRQ_COLLISION_SPRITE = %00000100;
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const byte IRQ_LIGHTPEN = %00001000;
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const byte* BGCOL = $d020;
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const byte* FGCOL = $d021;
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const byte WHITE = 1;
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const byte BLACK = 0;
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const byte* CIA1_INTERRUPT = $dc0d;
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const byte CIA_INTERRUPT_CLEAR = $7f;
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// Processor port data direction register
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const byte* PROCPORT_DDR = $00;
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// Mask for PROCESSOR_PORT_DDR which allows only memory configuration to be written
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const byte PROCPORT_DDR_MEMORY_MASK = %00000111;
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// Processor Port Register controlling RAM/ROM configuration and the datasette
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const byte* PROCPORT = $01;
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// RAM in $A000, $E000 I/O in $D000
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const byte PROCPORT_RAM_IO = %00110101;
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// RAM in $A000, $E000 CHAR ROM in $D000
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void main() {
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asm { sei }
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// Disable kernal & basic
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*PROCPORT_DDR = PROCPORT_DDR_MEMORY_MASK;
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*PROCPORT = PROCPORT_RAM_IO;
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// Disable CIA 1 Timer IRQ
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*CIA1_INTERRUPT = CIA_INTERRUPT_CLEAR;
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// Set raster line to $100
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*VIC_CONTROL |=$80;
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*RASTER = $00;
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// Enable Raster Interrupt
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*IRQ_ENABLE = IRQ_RASTER;
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// Set the IRQ routine
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*HARDWARE_IRQ = &irq;
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asm { cli }
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while(true) {
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(*FGCOL)++;
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}
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}
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// Interrupt Routine
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interrupt(hardware_clobber) void irq() {
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do_irq();
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}
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void do_irq() {
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*BGCOL = WHITE;
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*BGCOL = BLACK;
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// Acknowledge the IRQ
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*IRQ_STATUS = IRQ_RASTER;
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}
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@ -0,0 +1,60 @@
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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 HARDWARE_IRQ = $fffe
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.label RASTER = $d012
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.label VIC_CONTROL = $d011
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.label IRQ_STATUS = $d019
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.label IRQ_ENABLE = $d01a
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.const IRQ_RASTER = 1
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.label BGCOL = $d020
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.label FGCOL = $d021
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.const WHITE = 1
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.const BLACK = 0
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.label CIA1_INTERRUPT = $dc0d
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.const CIA_INTERRUPT_CLEAR = $7f
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.label PROCPORT_DDR = 0
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.const PROCPORT_DDR_MEMORY_MASK = 7
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.label PROCPORT = 1
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.const PROCPORT_RAM_IO = $35
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jsr main
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main: {
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sei
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lda #PROCPORT_DDR_MEMORY_MASK
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sta PROCPORT_DDR
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lda #PROCPORT_RAM_IO
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sta PROCPORT
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lda #CIA_INTERRUPT_CLEAR
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sta CIA1_INTERRUPT
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lda VIC_CONTROL
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ora #$80
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sta VIC_CONTROL
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lda #0
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sta RASTER
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lda #IRQ_RASTER
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sta IRQ_ENABLE
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lda #<irq
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sta HARDWARE_IRQ
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lda #>irq
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sta HARDWARE_IRQ+1
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cli
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b2:
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inc FGCOL
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jmp b2
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}
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irq: {
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sta rega+1
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jsr do_irq
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rega:
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lda #00
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rti
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}
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do_irq: {
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lda #WHITE
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sta BGCOL
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lda #BLACK
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sta BGCOL
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lda #IRQ_RASTER
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sta IRQ_STATUS
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rts
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}
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@ -0,0 +1,38 @@
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@begin: scope:[] from
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[0] phi() [ ] ( )
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to:@3
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@3: 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 @3
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[3] phi() [ ] ( )
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main: scope:[main] from @3
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asm { sei }
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[5] *((const byte*) PROCPORT_DDR#0) ← (const byte) PROCPORT_DDR_MEMORY_MASK#0 [ ] ( main:2 [ ] )
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[6] *((const byte*) PROCPORT#0) ← (const byte) PROCPORT_RAM_IO#0 [ ] ( main:2 [ ] )
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[7] *((const byte*) CIA1_INTERRUPT#0) ← (const byte) CIA_INTERRUPT_CLEAR#0 [ ] ( main:2 [ ] )
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[8] *((const byte*) VIC_CONTROL#0) ← *((const byte*) VIC_CONTROL#0) | (byte/word/signed word/dword/signed dword) 128 [ ] ( main:2 [ ] )
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[9] *((const byte*) RASTER#0) ← (byte/signed byte/word/signed word/dword/signed dword) 0 [ ] ( main:2 [ ] )
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[10] *((const byte*) IRQ_ENABLE#0) ← (const byte) IRQ_RASTER#0 [ ] ( main:2 [ ] )
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[11] *((const void()**) HARDWARE_IRQ#0) ← &interrupt(HARDWARE_CLOBBER)(void()) irq() [ ] ( main:2 [ ] )
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asm { cli }
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to:main::@2
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main::@2: scope:[main] from main main::@2
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[13] *((const byte*) FGCOL#0) ← ++ *((const byte*) FGCOL#0) [ ] ( main:2 [ ] )
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to:main::@2
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irq: scope:[irq] from
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[14] phi() [ ] ( )
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[15] call do_irq [ ] ( )
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to:irq::@return
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irq::@return: scope:[irq] from irq
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[16] return [ ] ( )
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to:@return
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do_irq: scope:[do_irq] from irq
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[17] *((const byte*) BGCOL#0) ← (const byte) WHITE#0 [ ] ( )
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[18] *((const byte*) BGCOL#0) ← (const byte) BLACK#0 [ ] ( )
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[19] *((const byte*) IRQ_STATUS#0) ← (const byte) IRQ_RASTER#0 [ ] ( )
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to:do_irq::@return
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do_irq::@return: scope:[do_irq] from do_irq
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[20] return [ ] ( )
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to:@return
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@ -0,0 +1,879 @@
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PARSING src/test/java/dk/camelot64/kickc/test/kc/irq-hardware-clobber-jsr.kc
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// A minimal working raster hardware IRQ with clobber-based register savings
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const void()** KERNEL_IRQ = $0314;
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const void()** HARDWARE_IRQ = $fffe;
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const byte* RASTER = $d012;
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const byte* VIC_CONTROL = $d011;
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const byte* IRQ_STATUS = $d019;
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const byte* IRQ_ENABLE = $d01a;
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const byte IRQ_RASTER = %00000001;
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const byte IRQ_COLLISION_BG = %00000010;
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const byte IRQ_COLLISION_SPRITE = %00000100;
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const byte IRQ_LIGHTPEN = %00001000;
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const byte* BGCOL = $d020;
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const byte* FGCOL = $d021;
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const byte WHITE = 1;
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const byte BLACK = 0;
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const byte* CIA1_INTERRUPT = $dc0d;
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const byte CIA_INTERRUPT_CLEAR = $7f;
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// Processor port data direction register
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const byte* PROCPORT_DDR = $00;
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// Mask for PROCESSOR_PORT_DDR which allows only memory configuration to be written
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const byte PROCPORT_DDR_MEMORY_MASK = %00000111;
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// Processor Port Register controlling RAM/ROM configuration and the datasette
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const byte* PROCPORT = $01;
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// RAM in $A000, $E000 I/O in $D000
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const byte PROCPORT_RAM_IO = %00110101;
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// RAM in $A000, $E000 CHAR ROM in $D000
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void main() {
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asm { sei }
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// Disable kernal & basic
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*PROCPORT_DDR = PROCPORT_DDR_MEMORY_MASK;
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*PROCPORT = PROCPORT_RAM_IO;
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// Disable CIA 1 Timer IRQ
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*CIA1_INTERRUPT = CIA_INTERRUPT_CLEAR;
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// Set raster line to $100
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*VIC_CONTROL |=$80;
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*RASTER = $00;
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// Enable Raster Interrupt
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*IRQ_ENABLE = IRQ_RASTER;
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// Set the IRQ routine
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*HARDWARE_IRQ = &irq;
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asm { cli }
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while(true) {
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(*FGCOL)++;
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}
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}
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// Interrupt Routine
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interrupt(hardware_clobber) void irq() {
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do_irq();
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}
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void do_irq() {
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*BGCOL = WHITE;
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*BGCOL = BLACK;
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// Acknowledge the IRQ
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*IRQ_STATUS = IRQ_RASTER;
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}
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Adding pre/post-modifier *((byte*) FGCOL) ← ++ *((byte*) FGCOL)
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Resolved forward reference irq to interrupt(HARDWARE_CLOBBER)(void()) irq()
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SYMBOLS
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(label) @1
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(label) @2
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(label) @3
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(label) @begin
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(label) @end
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(byte*) BGCOL
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(byte) BLACK
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(byte*) CIA1_INTERRUPT
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(byte) CIA_INTERRUPT_CLEAR
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(byte*) FGCOL
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(void()**) HARDWARE_IRQ
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(byte) IRQ_COLLISION_BG
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(byte) IRQ_COLLISION_SPRITE
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(byte*) IRQ_ENABLE
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(byte) IRQ_LIGHTPEN
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(byte) IRQ_RASTER
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(byte*) IRQ_STATUS
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(void()**) KERNEL_IRQ
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(byte*) PROCPORT
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(byte*) PROCPORT_DDR
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(byte) PROCPORT_DDR_MEMORY_MASK
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(byte) PROCPORT_RAM_IO
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(byte*) RASTER
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(byte*) VIC_CONTROL
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(byte) WHITE
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(void()) do_irq()
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(label) do_irq::@return
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interrupt(HARDWARE_CLOBBER)(void()) irq()
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(void~) irq::$0
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(label) irq::@return
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(void()) main()
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(void()*~) main::$0
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(label) main::@1
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(label) main::@2
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(label) main::@3
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(label) main::@4
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(label) main::@5
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(label) main::@6
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(label) main::@return
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Promoting word/signed word/dword/signed dword to void()** in KERNEL_IRQ ← ((void()**)) 788
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Promoting word/dword/signed dword to void()** in HARDWARE_IRQ ← ((void()**)) 65534
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Promoting word/dword/signed dword to byte* in RASTER ← ((byte*)) 53266
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Promoting word/dword/signed dword to byte* in VIC_CONTROL ← ((byte*)) 53265
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Promoting word/dword/signed dword to byte* in IRQ_STATUS ← ((byte*)) 53273
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Promoting word/dword/signed dword to byte* in IRQ_ENABLE ← ((byte*)) 53274
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Promoting word/dword/signed dword to byte* in BGCOL ← ((byte*)) 53280
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Promoting word/dword/signed dword to byte* in FGCOL ← ((byte*)) 53281
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Promoting word/dword/signed dword to byte* in CIA1_INTERRUPT ← ((byte*)) 56333
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Promoting byte/signed byte/word/signed word/dword/signed dword to byte* in PROCPORT_DDR ← ((byte*)) 0
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Promoting byte/signed byte/word/signed word/dword/signed dword to byte* in PROCPORT ← ((byte*)) 1
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INITIAL CONTROL FLOW GRAPH
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@begin: scope:[] from
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(void()**) KERNEL_IRQ ← ((void()**)) (word/signed word/dword/signed dword) 788
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(void()**) HARDWARE_IRQ ← ((void()**)) (word/dword/signed dword) 65534
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(byte*) RASTER ← ((byte*)) (word/dword/signed dword) 53266
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(byte*) VIC_CONTROL ← ((byte*)) (word/dword/signed dword) 53265
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(byte*) IRQ_STATUS ← ((byte*)) (word/dword/signed dword) 53273
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(byte*) IRQ_ENABLE ← ((byte*)) (word/dword/signed dword) 53274
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(byte) IRQ_RASTER ← (byte/signed byte/word/signed word/dword/signed dword) 1
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(byte) IRQ_COLLISION_BG ← (byte/signed byte/word/signed word/dword/signed dword) 2
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(byte) IRQ_COLLISION_SPRITE ← (byte/signed byte/word/signed word/dword/signed dword) 4
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(byte) IRQ_LIGHTPEN ← (byte/signed byte/word/signed word/dword/signed dword) 8
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(byte*) BGCOL ← ((byte*)) (word/dword/signed dword) 53280
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(byte*) FGCOL ← ((byte*)) (word/dword/signed dword) 53281
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(byte) WHITE ← (byte/signed byte/word/signed word/dword/signed dword) 1
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(byte) BLACK ← (byte/signed byte/word/signed word/dword/signed dword) 0
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(byte*) CIA1_INTERRUPT ← ((byte*)) (word/dword/signed dword) 56333
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(byte) CIA_INTERRUPT_CLEAR ← (byte/signed byte/word/signed word/dword/signed dword) 127
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(byte*) PROCPORT_DDR ← ((byte*)) (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK ← (byte/signed byte/word/signed word/dword/signed dword) 7
|
||||
(byte*) PROCPORT ← ((byte*)) (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte) PROCPORT_RAM_IO ← (byte/signed byte/word/signed word/dword/signed dword) 53
|
||||
to:@1
|
||||
main: scope:[main] from
|
||||
asm { sei }
|
||||
*((byte*) PROCPORT_DDR) ← (byte) PROCPORT_DDR_MEMORY_MASK
|
||||
*((byte*) PROCPORT) ← (byte) PROCPORT_RAM_IO
|
||||
*((byte*) CIA1_INTERRUPT) ← (byte) CIA_INTERRUPT_CLEAR
|
||||
*((byte*) VIC_CONTROL) ← *((byte*) VIC_CONTROL) | (byte/word/signed word/dword/signed dword) 128
|
||||
*((byte*) RASTER) ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
*((byte*) IRQ_ENABLE) ← (byte) IRQ_RASTER
|
||||
(void()*~) main::$0 ← & interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
*((void()**) HARDWARE_IRQ) ← (void()*~) main::$0
|
||||
asm { cli }
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@2
|
||||
if(true) goto main::@2
|
||||
to:main::@4
|
||||
main::@2: scope:[main] from main::@1 main::@5
|
||||
*((byte*) FGCOL) ← ++ *((byte*) FGCOL)
|
||||
to:main::@1
|
||||
main::@4: scope:[main] from main::@1
|
||||
to:main::@3
|
||||
main::@3: scope:[main] from main::@4 main::@6
|
||||
to:main::@return
|
||||
main::@5: scope:[main] from
|
||||
to:main::@2
|
||||
main::@6: scope:[main] from
|
||||
to:main::@3
|
||||
main::@return: scope:[main] from main::@3
|
||||
return
|
||||
to:@return
|
||||
@1: scope:[] from @begin
|
||||
to:@2
|
||||
irq: scope:[irq] from
|
||||
(void~) irq::$0 ← call do_irq
|
||||
to:irq::@return
|
||||
irq::@return: scope:[irq] from irq
|
||||
return
|
||||
to:@return
|
||||
@2: scope:[] from @1
|
||||
to:@3
|
||||
do_irq: scope:[do_irq] from
|
||||
*((byte*) BGCOL) ← (byte) WHITE
|
||||
*((byte*) BGCOL) ← (byte) BLACK
|
||||
*((byte*) IRQ_STATUS) ← (byte) IRQ_RASTER
|
||||
to:do_irq::@return
|
||||
do_irq::@return: scope:[do_irq] from do_irq
|
||||
return
|
||||
to:@return
|
||||
@3: scope:[] from @2
|
||||
call main
|
||||
to:@end
|
||||
@end: scope:[] from @3
|
||||
|
||||
Eliminating unused variable (void()**) KERNEL_IRQ and assignment [0] (void()**) KERNEL_IRQ ← ((void()**)) (word/signed word/dword/signed dword) 788
|
||||
Eliminating unused variable (byte) IRQ_COLLISION_BG and assignment [7] (byte) IRQ_COLLISION_BG ← (byte/signed byte/word/signed word/dword/signed dword) 2
|
||||
Eliminating unused variable (byte) IRQ_COLLISION_SPRITE and assignment [8] (byte) IRQ_COLLISION_SPRITE ← (byte/signed byte/word/signed word/dword/signed dword) 4
|
||||
Eliminating unused variable (byte) IRQ_LIGHTPEN and assignment [9] (byte) IRQ_LIGHTPEN ← (byte/signed byte/word/signed word/dword/signed dword) 8
|
||||
Eliminating unused variable - keeping the call (void~) irq::$0
|
||||
Removing empty block main::@4
|
||||
Removing empty block main::@3
|
||||
Removing empty block main::@5
|
||||
Removing empty block main::@6
|
||||
Removing empty block @1
|
||||
Removing empty block @2
|
||||
PROCEDURE MODIFY VARIABLE ANALYSIS
|
||||
|
||||
Completing Phi functions...
|
||||
|
||||
CONTROL FLOW GRAPH SSA WITH ASSIGNMENT CALL & RETURN
|
||||
@begin: scope:[] from
|
||||
(void()**) HARDWARE_IRQ#0 ← ((void()**)) (word/dword/signed dword) 65534
|
||||
(byte*) RASTER#0 ← ((byte*)) (word/dword/signed dword) 53266
|
||||
(byte*) VIC_CONTROL#0 ← ((byte*)) (word/dword/signed dword) 53265
|
||||
(byte*) IRQ_STATUS#0 ← ((byte*)) (word/dword/signed dword) 53273
|
||||
(byte*) IRQ_ENABLE#0 ← ((byte*)) (word/dword/signed dword) 53274
|
||||
(byte) IRQ_RASTER#0 ← (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte*) BGCOL#0 ← ((byte*)) (word/dword/signed dword) 53280
|
||||
(byte*) FGCOL#0 ← ((byte*)) (word/dword/signed dword) 53281
|
||||
(byte) WHITE#0 ← (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte) BLACK#0 ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte*) CIA1_INTERRUPT#0 ← ((byte*)) (word/dword/signed dword) 56333
|
||||
(byte) CIA_INTERRUPT_CLEAR#0 ← (byte/signed byte/word/signed word/dword/signed dword) 127
|
||||
(byte*) PROCPORT_DDR#0 ← ((byte*)) (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK#0 ← (byte/signed byte/word/signed word/dword/signed dword) 7
|
||||
(byte*) PROCPORT#0 ← ((byte*)) (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte) PROCPORT_RAM_IO#0 ← (byte/signed byte/word/signed word/dword/signed dword) 53
|
||||
to:@3
|
||||
main: scope:[main] from @3
|
||||
asm { sei }
|
||||
*((byte*) PROCPORT_DDR#0) ← (byte) PROCPORT_DDR_MEMORY_MASK#0
|
||||
*((byte*) PROCPORT#0) ← (byte) PROCPORT_RAM_IO#0
|
||||
*((byte*) CIA1_INTERRUPT#0) ← (byte) CIA_INTERRUPT_CLEAR#0
|
||||
*((byte*) VIC_CONTROL#0) ← *((byte*) VIC_CONTROL#0) | (byte/word/signed word/dword/signed dword) 128
|
||||
*((byte*) RASTER#0) ← (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
*((byte*) IRQ_ENABLE#0) ← (byte) IRQ_RASTER#0
|
||||
(void()*~) main::$0 ← & interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
*((void()**) HARDWARE_IRQ#0) ← (void()*~) main::$0
|
||||
asm { cli }
|
||||
to:main::@1
|
||||
main::@1: scope:[main] from main main::@2
|
||||
if(true) goto main::@2
|
||||
to:main::@return
|
||||
main::@2: scope:[main] from main::@1
|
||||
*((byte*) FGCOL#0) ← ++ *((byte*) FGCOL#0)
|
||||
to:main::@1
|
||||
main::@return: scope:[main] from main::@1
|
||||
return
|
||||
to:@return
|
||||
irq: scope:[irq] from
|
||||
call do_irq
|
||||
to:irq::@1
|
||||
irq::@1: scope:[irq] from irq
|
||||
to:irq::@return
|
||||
irq::@return: scope:[irq] from irq::@1
|
||||
return
|
||||
to:@return
|
||||
do_irq: scope:[do_irq] from irq
|
||||
*((byte*) BGCOL#0) ← (byte) WHITE#0
|
||||
*((byte*) BGCOL#0) ← (byte) BLACK#0
|
||||
*((byte*) IRQ_STATUS#0) ← (byte) IRQ_RASTER#0
|
||||
to:do_irq::@return
|
||||
do_irq::@return: scope:[do_irq] from do_irq
|
||||
return
|
||||
to:@return
|
||||
@3: scope:[] from @begin
|
||||
call main
|
||||
to:@4
|
||||
@4: scope:[] from @3
|
||||
to:@end
|
||||
@end: scope:[] from @4
|
||||
|
||||
SYMBOL TABLE SSA
|
||||
(label) @3
|
||||
(label) @4
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(byte*) BGCOL
|
||||
(byte*) BGCOL#0
|
||||
(byte) BLACK
|
||||
(byte) BLACK#0
|
||||
(byte*) CIA1_INTERRUPT
|
||||
(byte*) CIA1_INTERRUPT#0
|
||||
(byte) CIA_INTERRUPT_CLEAR
|
||||
(byte) CIA_INTERRUPT_CLEAR#0
|
||||
(byte*) FGCOL
|
||||
(byte*) FGCOL#0
|
||||
(void()**) HARDWARE_IRQ
|
||||
(void()**) HARDWARE_IRQ#0
|
||||
(byte*) IRQ_ENABLE
|
||||
(byte*) IRQ_ENABLE#0
|
||||
(byte) IRQ_RASTER
|
||||
(byte) IRQ_RASTER#0
|
||||
(byte*) IRQ_STATUS
|
||||
(byte*) IRQ_STATUS#0
|
||||
(byte*) PROCPORT
|
||||
(byte*) PROCPORT#0
|
||||
(byte*) PROCPORT_DDR
|
||||
(byte*) PROCPORT_DDR#0
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK#0
|
||||
(byte) PROCPORT_RAM_IO
|
||||
(byte) PROCPORT_RAM_IO#0
|
||||
(byte*) RASTER
|
||||
(byte*) RASTER#0
|
||||
(byte*) VIC_CONTROL
|
||||
(byte*) VIC_CONTROL#0
|
||||
(byte) WHITE
|
||||
(byte) WHITE#0
|
||||
(void()) do_irq()
|
||||
(label) do_irq::@return
|
||||
interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
(label) irq::@1
|
||||
(label) irq::@return
|
||||
(void()) main()
|
||||
(void()*~) main::$0
|
||||
(label) main::@1
|
||||
(label) main::@2
|
||||
(label) main::@return
|
||||
|
||||
OPTIMIZING CONTROL FLOW GRAPH
|
||||
Culled Empty Block (label) irq::@1
|
||||
Culled Empty Block (label) @4
|
||||
Succesful SSA optimization Pass2CullEmptyBlocks
|
||||
Constant (const void()**) HARDWARE_IRQ#0 = ((void()**))65534
|
||||
Constant (const byte*) RASTER#0 = ((byte*))53266
|
||||
Constant (const byte*) VIC_CONTROL#0 = ((byte*))53265
|
||||
Constant (const byte*) IRQ_STATUS#0 = ((byte*))53273
|
||||
Constant (const byte*) IRQ_ENABLE#0 = ((byte*))53274
|
||||
Constant (const byte) IRQ_RASTER#0 = 1
|
||||
Constant (const byte*) BGCOL#0 = ((byte*))53280
|
||||
Constant (const byte*) FGCOL#0 = ((byte*))53281
|
||||
Constant (const byte) WHITE#0 = 1
|
||||
Constant (const byte) BLACK#0 = 0
|
||||
Constant (const byte*) CIA1_INTERRUPT#0 = ((byte*))56333
|
||||
Constant (const byte) CIA_INTERRUPT_CLEAR#0 = 127
|
||||
Constant (const byte*) PROCPORT_DDR#0 = ((byte*))0
|
||||
Constant (const byte) PROCPORT_DDR_MEMORY_MASK#0 = 7
|
||||
Constant (const byte*) PROCPORT#0 = ((byte*))1
|
||||
Constant (const byte) PROCPORT_RAM_IO#0 = 53
|
||||
Constant (const void()*) main::$0 = &irq
|
||||
Succesful SSA optimization Pass2ConstantIdentification
|
||||
if() condition always true - replacing block destination if(true) goto main::@2
|
||||
Succesful SSA optimization Pass2ConstantIfs
|
||||
Removing unused block main::@return
|
||||
Succesful SSA optimization Pass2EliminateUnusedBlocks
|
||||
Culled Empty Block (label) main::@1
|
||||
Succesful SSA optimization Pass2CullEmptyBlocks
|
||||
OPTIMIZING CONTROL FLOW GRAPH
|
||||
Constant inlined main::$0 = &interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
Succesful SSA optimization Pass2ConstantInlining
|
||||
Block Sequence Planned @begin @3 @end main main::@2 irq irq::@return do_irq do_irq::@return
|
||||
Block Sequence Planned @begin @3 @end main main::@2 irq irq::@return do_irq do_irq::@return
|
||||
Adding NOP phi() at start of @begin
|
||||
Adding NOP phi() at start of @3
|
||||
Adding NOP phi() at start of @end
|
||||
Adding NOP phi() at start of irq
|
||||
CALL GRAPH
|
||||
Calls in [] to main:2
|
||||
Calls in [irq] to do_irq:15
|
||||
|
||||
Propagating live ranges...
|
||||
Created 0 initial phi equivalence classes
|
||||
Coalesced down to 0 phi equivalence classes
|
||||
Block Sequence Planned @begin @3 @end main main::@2 irq irq::@return do_irq do_irq::@return
|
||||
Adding NOP phi() at start of @begin
|
||||
Adding NOP phi() at start of @3
|
||||
Adding NOP phi() at start of @end
|
||||
Adding NOP phi() at start of irq
|
||||
Propagating live ranges...
|
||||
|
||||
FINAL CONTROL FLOW GRAPH
|
||||
@begin: scope:[] from
|
||||
[0] phi() [ ] ( )
|
||||
to:@3
|
||||
@3: scope:[] from @begin
|
||||
[1] phi() [ ] ( )
|
||||
[2] call main [ ] ( )
|
||||
to:@end
|
||||
@end: scope:[] from @3
|
||||
[3] phi() [ ] ( )
|
||||
main: scope:[main] from @3
|
||||
asm { sei }
|
||||
[5] *((const byte*) PROCPORT_DDR#0) ← (const byte) PROCPORT_DDR_MEMORY_MASK#0 [ ] ( main:2 [ ] )
|
||||
[6] *((const byte*) PROCPORT#0) ← (const byte) PROCPORT_RAM_IO#0 [ ] ( main:2 [ ] )
|
||||
[7] *((const byte*) CIA1_INTERRUPT#0) ← (const byte) CIA_INTERRUPT_CLEAR#0 [ ] ( main:2 [ ] )
|
||||
[8] *((const byte*) VIC_CONTROL#0) ← *((const byte*) VIC_CONTROL#0) | (byte/word/signed word/dword/signed dword) 128 [ ] ( main:2 [ ] )
|
||||
[9] *((const byte*) RASTER#0) ← (byte/signed byte/word/signed word/dword/signed dword) 0 [ ] ( main:2 [ ] )
|
||||
[10] *((const byte*) IRQ_ENABLE#0) ← (const byte) IRQ_RASTER#0 [ ] ( main:2 [ ] )
|
||||
[11] *((const void()**) HARDWARE_IRQ#0) ← &interrupt(HARDWARE_CLOBBER)(void()) irq() [ ] ( main:2 [ ] )
|
||||
asm { cli }
|
||||
to:main::@2
|
||||
main::@2: scope:[main] from main main::@2
|
||||
[13] *((const byte*) FGCOL#0) ← ++ *((const byte*) FGCOL#0) [ ] ( main:2 [ ] )
|
||||
to:main::@2
|
||||
irq: scope:[irq] from
|
||||
[14] phi() [ ] ( )
|
||||
[15] call do_irq [ ] ( )
|
||||
to:irq::@return
|
||||
irq::@return: scope:[irq] from irq
|
||||
[16] return [ ] ( )
|
||||
to:@return
|
||||
do_irq: scope:[do_irq] from irq
|
||||
[17] *((const byte*) BGCOL#0) ← (const byte) WHITE#0 [ ] ( )
|
||||
[18] *((const byte*) BGCOL#0) ← (const byte) BLACK#0 [ ] ( )
|
||||
[19] *((const byte*) IRQ_STATUS#0) ← (const byte) IRQ_RASTER#0 [ ] ( )
|
||||
to:do_irq::@return
|
||||
do_irq::@return: scope:[do_irq] from do_irq
|
||||
[20] return [ ] ( )
|
||||
to:@return
|
||||
|
||||
DOMINATORS
|
||||
@begin dominated by @begin
|
||||
@3 dominated by @begin @3
|
||||
@end dominated by @begin @3 @end
|
||||
main dominated by @begin @3 main
|
||||
main::@2 dominated by @begin @3 main::@2 main
|
||||
irq dominated by @begin @3 @end main::@2 irq irq::@return do_irq main do_irq::@return
|
||||
irq::@return dominated by @begin @3 @end main::@2 irq irq::@return do_irq main do_irq::@return
|
||||
do_irq dominated by @begin @3 @end main::@2 irq irq::@return do_irq main do_irq::@return
|
||||
do_irq::@return dominated by @begin @3 @end main::@2 irq irq::@return do_irq main do_irq::@return
|
||||
|
||||
NATURAL LOOPS
|
||||
Found back edge: Loop head: main::@2 tails: main::@2 blocks: null
|
||||
Found back edge: Loop head: irq::@return tails: irq blocks: null
|
||||
Found back edge: Loop head: do_irq tails: irq blocks: null
|
||||
Found back edge: Loop head: do_irq::@return tails: do_irq blocks: null
|
||||
Populated: Loop head: main::@2 tails: main::@2 blocks: main::@2
|
||||
Populated: Loop head: irq::@return tails: irq blocks: irq
|
||||
Populated: Loop head: do_irq tails: irq blocks: irq
|
||||
Populated: Loop head: do_irq::@return tails: do_irq blocks: do_irq irq
|
||||
Loop head: main::@2 tails: main::@2 blocks: main::@2
|
||||
Loop head: irq::@return tails: irq blocks: irq
|
||||
Loop head: do_irq tails: irq blocks: irq
|
||||
Loop head: do_irq::@return tails: do_irq blocks: do_irq irq
|
||||
|
||||
NATURAL LOOPS WITH DEPTH
|
||||
Found 1 loops in scope [irq]
|
||||
Loop head: irq::@return tails: irq blocks: irq
|
||||
Found 0 loops in scope []
|
||||
null depth in calling loop Loop head: do_irq tails: irq blocks: irq in scope do_irq
|
||||
null depth in calling loop Loop head: do_irq::@return tails: do_irq blocks: do_irq irq in scope do_irq
|
||||
Found 2 loops in scope [do_irq]
|
||||
Loop head: do_irq tails: irq blocks: irq
|
||||
Loop head: do_irq::@return tails: do_irq blocks: do_irq irq
|
||||
Found 1 loops in scope [main]
|
||||
Loop head: main::@2 tails: main::@2 blocks: main::@2
|
||||
Loop head: main::@2 tails: main::@2 blocks: main::@2 depth: 1
|
||||
Loop head: irq::@return tails: irq blocks: irq depth: 1
|
||||
Loop head: do_irq tails: irq blocks: irq depth: 3
|
||||
Loop head: do_irq::@return tails: do_irq blocks: do_irq irq depth: 2
|
||||
|
||||
|
||||
VARIABLE REGISTER WEIGHTS
|
||||
(byte*) BGCOL
|
||||
(byte) BLACK
|
||||
(byte*) CIA1_INTERRUPT
|
||||
(byte) CIA_INTERRUPT_CLEAR
|
||||
(byte*) FGCOL
|
||||
(void()**) HARDWARE_IRQ
|
||||
(byte*) IRQ_ENABLE
|
||||
(byte) IRQ_RASTER
|
||||
(byte*) IRQ_STATUS
|
||||
(byte*) PROCPORT
|
||||
(byte*) PROCPORT_DDR
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK
|
||||
(byte) PROCPORT_RAM_IO
|
||||
(byte*) RASTER
|
||||
(byte*) VIC_CONTROL
|
||||
(byte) WHITE
|
||||
(void()) do_irq()
|
||||
interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
(void()) main()
|
||||
|
||||
Initial phi equivalence classes
|
||||
Complete equivalence classes
|
||||
|
||||
INITIAL ASM
|
||||
//SEG0 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
//SEG1 Global Constants & labels
|
||||
.label HARDWARE_IRQ = $fffe
|
||||
.label RASTER = $d012
|
||||
.label VIC_CONTROL = $d011
|
||||
.label IRQ_STATUS = $d019
|
||||
.label IRQ_ENABLE = $d01a
|
||||
.const IRQ_RASTER = 1
|
||||
.label BGCOL = $d020
|
||||
.label FGCOL = $d021
|
||||
.const WHITE = 1
|
||||
.const BLACK = 0
|
||||
.label CIA1_INTERRUPT = $dc0d
|
||||
.const CIA_INTERRUPT_CLEAR = $7f
|
||||
.label PROCPORT_DDR = 0
|
||||
.const PROCPORT_DDR_MEMORY_MASK = 7
|
||||
.label PROCPORT = 1
|
||||
.const PROCPORT_RAM_IO = $35
|
||||
//SEG2 @begin
|
||||
bbegin:
|
||||
//SEG3 [1] phi from @begin to @3 [phi:@begin->@3]
|
||||
b3_from_bbegin:
|
||||
jmp b3
|
||||
//SEG4 @3
|
||||
b3:
|
||||
//SEG5 [2] call main [ ] ( )
|
||||
jsr main
|
||||
//SEG6 [3] phi from @3 to @end [phi:@3->@end]
|
||||
bend_from_b3:
|
||||
jmp bend
|
||||
//SEG7 @end
|
||||
bend:
|
||||
//SEG8 main
|
||||
main: {
|
||||
//SEG9 asm { sei }
|
||||
sei
|
||||
//SEG10 [5] *((const byte*) PROCPORT_DDR#0) ← (const byte) PROCPORT_DDR_MEMORY_MASK#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #PROCPORT_DDR_MEMORY_MASK
|
||||
sta PROCPORT_DDR
|
||||
//SEG11 [6] *((const byte*) PROCPORT#0) ← (const byte) PROCPORT_RAM_IO#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #PROCPORT_RAM_IO
|
||||
sta PROCPORT
|
||||
//SEG12 [7] *((const byte*) CIA1_INTERRUPT#0) ← (const byte) CIA_INTERRUPT_CLEAR#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #CIA_INTERRUPT_CLEAR
|
||||
sta CIA1_INTERRUPT
|
||||
//SEG13 [8] *((const byte*) VIC_CONTROL#0) ← *((const byte*) VIC_CONTROL#0) | (byte/word/signed word/dword/signed dword) 128 [ ] ( main:2 [ ] ) -- _deref_pbuc1=_deref_pbuc1_bor_vbuc2
|
||||
lda VIC_CONTROL
|
||||
ora #$80
|
||||
sta VIC_CONTROL
|
||||
//SEG14 [9] *((const byte*) RASTER#0) ← (byte/signed byte/word/signed word/dword/signed dword) 0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #0
|
||||
sta RASTER
|
||||
//SEG15 [10] *((const byte*) IRQ_ENABLE#0) ← (const byte) IRQ_RASTER#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #IRQ_RASTER
|
||||
sta IRQ_ENABLE
|
||||
//SEG16 [11] *((const void()**) HARDWARE_IRQ#0) ← &interrupt(HARDWARE_CLOBBER)(void()) irq() [ ] ( main:2 [ ] ) -- _deref_pptc1=pprc2
|
||||
lda #<irq
|
||||
sta HARDWARE_IRQ
|
||||
lda #>irq
|
||||
sta HARDWARE_IRQ+1
|
||||
//SEG17 asm { cli }
|
||||
cli
|
||||
jmp b2
|
||||
//SEG18 main::@2
|
||||
b2:
|
||||
//SEG19 [13] *((const byte*) FGCOL#0) ← ++ *((const byte*) FGCOL#0) [ ] ( main:2 [ ] ) -- _deref_pbuc1=_inc__deref_pbuc1
|
||||
inc FGCOL
|
||||
jmp b2
|
||||
}
|
||||
//SEG20 irq
|
||||
irq: {
|
||||
//SEG21 entry interrupt(HARDWARE_CLOBBER)
|
||||
sta rega+1
|
||||
stx regx+1
|
||||
sty regy+1
|
||||
//SEG22 [15] call do_irq [ ] ( )
|
||||
jsr do_irq
|
||||
jmp breturn
|
||||
//SEG23 irq::@return
|
||||
breturn:
|
||||
//SEG24 [16] return [ ] ( ) - exit interrupt(HARDWARE_CLOBBER)
|
||||
rega:
|
||||
lda #00
|
||||
regx:
|
||||
ldx #00
|
||||
regy:
|
||||
ldy #00
|
||||
rti
|
||||
}
|
||||
//SEG25 do_irq
|
||||
do_irq: {
|
||||
//SEG26 [17] *((const byte*) BGCOL#0) ← (const byte) WHITE#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #WHITE
|
||||
sta BGCOL
|
||||
//SEG27 [18] *((const byte*) BGCOL#0) ← (const byte) BLACK#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #BLACK
|
||||
sta BGCOL
|
||||
//SEG28 [19] *((const byte*) IRQ_STATUS#0) ← (const byte) IRQ_RASTER#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #IRQ_RASTER
|
||||
sta IRQ_STATUS
|
||||
jmp breturn
|
||||
//SEG29 do_irq::@return
|
||||
breturn:
|
||||
//SEG30 [20] return [ ] ( )
|
||||
rts
|
||||
}
|
||||
|
||||
REGISTER UPLIFT POTENTIAL REGISTERS
|
||||
Statement [5] *((const byte*) PROCPORT_DDR#0) ← (const byte) PROCPORT_DDR_MEMORY_MASK#0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [6] *((const byte*) PROCPORT#0) ← (const byte) PROCPORT_RAM_IO#0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [7] *((const byte*) CIA1_INTERRUPT#0) ← (const byte) CIA_INTERRUPT_CLEAR#0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [8] *((const byte*) VIC_CONTROL#0) ← *((const byte*) VIC_CONTROL#0) | (byte/word/signed word/dword/signed dword) 128 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [9] *((const byte*) RASTER#0) ← (byte/signed byte/word/signed word/dword/signed dword) 0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [10] *((const byte*) IRQ_ENABLE#0) ← (const byte) IRQ_RASTER#0 [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [11] *((const void()**) HARDWARE_IRQ#0) ← &interrupt(HARDWARE_CLOBBER)(void()) irq() [ ] ( main:2 [ ] ) always clobbers reg byte a
|
||||
Statement [16] return [ ] ( ) always clobbers reg byte a reg byte x reg byte y
|
||||
Statement [17] *((const byte*) BGCOL#0) ← (const byte) WHITE#0 [ ] ( ) always clobbers reg byte a
|
||||
Statement [18] *((const byte*) BGCOL#0) ← (const byte) BLACK#0 [ ] ( ) always clobbers reg byte a
|
||||
Statement [19] *((const byte*) IRQ_STATUS#0) ← (const byte) IRQ_RASTER#0 [ ] ( ) always clobbers reg byte a
|
||||
|
||||
REGISTER UPLIFT SCOPES
|
||||
Uplift Scope [main]
|
||||
Uplift Scope [irq]
|
||||
Uplift Scope [do_irq]
|
||||
Uplift Scope []
|
||||
|
||||
Uplifting [main] best 11399 combination
|
||||
Uplifting [irq] best 11399 combination
|
||||
Uplifting [do_irq] best 11399 combination
|
||||
Uplifting [] best 11399 combination
|
||||
Interrupt procedure irq clobbers ANZ
|
||||
Removing interrupt register storage stx regx+1 in SEG21 entry interrupt(HARDWARE_CLOBBER)
|
||||
Removing interrupt register storage sty regy+1 in SEG21 entry interrupt(HARDWARE_CLOBBER)
|
||||
Removing interrupt register storage regx: in SEG24 [16] return [ ] ( ) - exit interrupt(HARDWARE_CLOBBER)
|
||||
Removing interrupt register storage ldx #00 in SEG24 [16] return [ ] ( ) - exit interrupt(HARDWARE_CLOBBER)
|
||||
Removing interrupt register storage regy: in SEG24 [16] return [ ] ( ) - exit interrupt(HARDWARE_CLOBBER)
|
||||
Removing interrupt register storage ldy #00 in SEG24 [16] return [ ] ( ) - exit interrupt(HARDWARE_CLOBBER)
|
||||
|
||||
ASSEMBLER BEFORE OPTIMIZATION
|
||||
//SEG0 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
//SEG1 Global Constants & labels
|
||||
.label HARDWARE_IRQ = $fffe
|
||||
.label RASTER = $d012
|
||||
.label VIC_CONTROL = $d011
|
||||
.label IRQ_STATUS = $d019
|
||||
.label IRQ_ENABLE = $d01a
|
||||
.const IRQ_RASTER = 1
|
||||
.label BGCOL = $d020
|
||||
.label FGCOL = $d021
|
||||
.const WHITE = 1
|
||||
.const BLACK = 0
|
||||
.label CIA1_INTERRUPT = $dc0d
|
||||
.const CIA_INTERRUPT_CLEAR = $7f
|
||||
.label PROCPORT_DDR = 0
|
||||
.const PROCPORT_DDR_MEMORY_MASK = 7
|
||||
.label PROCPORT = 1
|
||||
.const PROCPORT_RAM_IO = $35
|
||||
//SEG2 @begin
|
||||
bbegin:
|
||||
//SEG3 [1] phi from @begin to @3 [phi:@begin->@3]
|
||||
b3_from_bbegin:
|
||||
jmp b3
|
||||
//SEG4 @3
|
||||
b3:
|
||||
//SEG5 [2] call main [ ] ( )
|
||||
jsr main
|
||||
//SEG6 [3] phi from @3 to @end [phi:@3->@end]
|
||||
bend_from_b3:
|
||||
jmp bend
|
||||
//SEG7 @end
|
||||
bend:
|
||||
//SEG8 main
|
||||
main: {
|
||||
//SEG9 asm { sei }
|
||||
sei
|
||||
//SEG10 [5] *((const byte*) PROCPORT_DDR#0) ← (const byte) PROCPORT_DDR_MEMORY_MASK#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #PROCPORT_DDR_MEMORY_MASK
|
||||
sta PROCPORT_DDR
|
||||
//SEG11 [6] *((const byte*) PROCPORT#0) ← (const byte) PROCPORT_RAM_IO#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #PROCPORT_RAM_IO
|
||||
sta PROCPORT
|
||||
//SEG12 [7] *((const byte*) CIA1_INTERRUPT#0) ← (const byte) CIA_INTERRUPT_CLEAR#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #CIA_INTERRUPT_CLEAR
|
||||
sta CIA1_INTERRUPT
|
||||
//SEG13 [8] *((const byte*) VIC_CONTROL#0) ← *((const byte*) VIC_CONTROL#0) | (byte/word/signed word/dword/signed dword) 128 [ ] ( main:2 [ ] ) -- _deref_pbuc1=_deref_pbuc1_bor_vbuc2
|
||||
lda VIC_CONTROL
|
||||
ora #$80
|
||||
sta VIC_CONTROL
|
||||
//SEG14 [9] *((const byte*) RASTER#0) ← (byte/signed byte/word/signed word/dword/signed dword) 0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #0
|
||||
sta RASTER
|
||||
//SEG15 [10] *((const byte*) IRQ_ENABLE#0) ← (const byte) IRQ_RASTER#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #IRQ_RASTER
|
||||
sta IRQ_ENABLE
|
||||
//SEG16 [11] *((const void()**) HARDWARE_IRQ#0) ← &interrupt(HARDWARE_CLOBBER)(void()) irq() [ ] ( main:2 [ ] ) -- _deref_pptc1=pprc2
|
||||
lda #<irq
|
||||
sta HARDWARE_IRQ
|
||||
lda #>irq
|
||||
sta HARDWARE_IRQ+1
|
||||
//SEG17 asm { cli }
|
||||
cli
|
||||
jmp b2
|
||||
//SEG18 main::@2
|
||||
b2:
|
||||
//SEG19 [13] *((const byte*) FGCOL#0) ← ++ *((const byte*) FGCOL#0) [ ] ( main:2 [ ] ) -- _deref_pbuc1=_inc__deref_pbuc1
|
||||
inc FGCOL
|
||||
jmp b2
|
||||
}
|
||||
//SEG20 irq
|
||||
irq: {
|
||||
//SEG21 entry interrupt(HARDWARE_CLOBBER)
|
||||
sta rega+1
|
||||
//SEG22 [15] call do_irq [ ] ( )
|
||||
jsr do_irq
|
||||
jmp breturn
|
||||
//SEG23 irq::@return
|
||||
breturn:
|
||||
//SEG24 [16] return [ ] ( ) - exit interrupt(HARDWARE_CLOBBER)
|
||||
rega:
|
||||
lda #00
|
||||
rti
|
||||
}
|
||||
//SEG25 do_irq
|
||||
do_irq: {
|
||||
//SEG26 [17] *((const byte*) BGCOL#0) ← (const byte) WHITE#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #WHITE
|
||||
sta BGCOL
|
||||
//SEG27 [18] *((const byte*) BGCOL#0) ← (const byte) BLACK#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #BLACK
|
||||
sta BGCOL
|
||||
//SEG28 [19] *((const byte*) IRQ_STATUS#0) ← (const byte) IRQ_RASTER#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #IRQ_RASTER
|
||||
sta IRQ_STATUS
|
||||
jmp breturn
|
||||
//SEG29 do_irq::@return
|
||||
breturn:
|
||||
//SEG30 [20] return [ ] ( )
|
||||
rts
|
||||
}
|
||||
|
||||
ASSEMBLER OPTIMIZATIONS
|
||||
Removing instruction jmp b3
|
||||
Removing instruction jmp bend
|
||||
Removing instruction jmp b2
|
||||
Removing instruction jmp breturn
|
||||
Removing instruction jmp breturn
|
||||
Succesful ASM optimization Pass5NextJumpElimination
|
||||
Removing instruction bbegin:
|
||||
Removing instruction b3_from_bbegin:
|
||||
Removing instruction bend_from_b3:
|
||||
Removing instruction breturn:
|
||||
Succesful ASM optimization Pass5RedundantLabelElimination
|
||||
Removing instruction b3:
|
||||
Removing instruction bend:
|
||||
Removing instruction breturn:
|
||||
Succesful ASM optimization Pass5UnusedLabelElimination
|
||||
|
||||
FINAL SYMBOL TABLE
|
||||
(label) @3
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(byte*) BGCOL
|
||||
(const byte*) BGCOL#0 BGCOL = ((byte*))(word/dword/signed dword) 53280
|
||||
(byte) BLACK
|
||||
(const byte) BLACK#0 BLACK = (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte*) CIA1_INTERRUPT
|
||||
(const byte*) CIA1_INTERRUPT#0 CIA1_INTERRUPT = ((byte*))(word/dword/signed dword) 56333
|
||||
(byte) CIA_INTERRUPT_CLEAR
|
||||
(const byte) CIA_INTERRUPT_CLEAR#0 CIA_INTERRUPT_CLEAR = (byte/signed byte/word/signed word/dword/signed dword) 127
|
||||
(byte*) FGCOL
|
||||
(const byte*) FGCOL#0 FGCOL = ((byte*))(word/dword/signed dword) 53281
|
||||
(void()**) HARDWARE_IRQ
|
||||
(const void()**) HARDWARE_IRQ#0 HARDWARE_IRQ = ((void()**))(word/dword/signed dword) 65534
|
||||
(byte*) IRQ_ENABLE
|
||||
(const byte*) IRQ_ENABLE#0 IRQ_ENABLE = ((byte*))(word/dword/signed dword) 53274
|
||||
(byte) IRQ_RASTER
|
||||
(const byte) IRQ_RASTER#0 IRQ_RASTER = (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte*) IRQ_STATUS
|
||||
(const byte*) IRQ_STATUS#0 IRQ_STATUS = ((byte*))(word/dword/signed dword) 53273
|
||||
(byte*) PROCPORT
|
||||
(const byte*) PROCPORT#0 PROCPORT = ((byte*))(byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte*) PROCPORT_DDR
|
||||
(const byte*) PROCPORT_DDR#0 PROCPORT_DDR = ((byte*))(byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK
|
||||
(const byte) PROCPORT_DDR_MEMORY_MASK#0 PROCPORT_DDR_MEMORY_MASK = (byte/signed byte/word/signed word/dword/signed dword) 7
|
||||
(byte) PROCPORT_RAM_IO
|
||||
(const byte) PROCPORT_RAM_IO#0 PROCPORT_RAM_IO = (byte/signed byte/word/signed word/dword/signed dword) 53
|
||||
(byte*) RASTER
|
||||
(const byte*) RASTER#0 RASTER = ((byte*))(word/dword/signed dword) 53266
|
||||
(byte*) VIC_CONTROL
|
||||
(const byte*) VIC_CONTROL#0 VIC_CONTROL = ((byte*))(word/dword/signed dword) 53265
|
||||
(byte) WHITE
|
||||
(const byte) WHITE#0 WHITE = (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(void()) do_irq()
|
||||
(label) do_irq::@return
|
||||
interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
(label) irq::@return
|
||||
(void()) main()
|
||||
(label) main::@2
|
||||
|
||||
|
||||
|
||||
FINAL ASSEMBLER
|
||||
Score: 8006
|
||||
|
||||
//SEG0 Basic Upstart
|
||||
.pc = $801 "Basic"
|
||||
:BasicUpstart(main)
|
||||
.pc = $80d "Program"
|
||||
//SEG1 Global Constants & labels
|
||||
.label HARDWARE_IRQ = $fffe
|
||||
.label RASTER = $d012
|
||||
.label VIC_CONTROL = $d011
|
||||
.label IRQ_STATUS = $d019
|
||||
.label IRQ_ENABLE = $d01a
|
||||
.const IRQ_RASTER = 1
|
||||
.label BGCOL = $d020
|
||||
.label FGCOL = $d021
|
||||
.const WHITE = 1
|
||||
.const BLACK = 0
|
||||
.label CIA1_INTERRUPT = $dc0d
|
||||
.const CIA_INTERRUPT_CLEAR = $7f
|
||||
.label PROCPORT_DDR = 0
|
||||
.const PROCPORT_DDR_MEMORY_MASK = 7
|
||||
.label PROCPORT = 1
|
||||
.const PROCPORT_RAM_IO = $35
|
||||
//SEG2 @begin
|
||||
//SEG3 [1] phi from @begin to @3 [phi:@begin->@3]
|
||||
//SEG4 @3
|
||||
//SEG5 [2] call main [ ] ( )
|
||||
jsr main
|
||||
//SEG6 [3] phi from @3 to @end [phi:@3->@end]
|
||||
//SEG7 @end
|
||||
//SEG8 main
|
||||
main: {
|
||||
//SEG9 asm { sei }
|
||||
sei
|
||||
//SEG10 [5] *((const byte*) PROCPORT_DDR#0) ← (const byte) PROCPORT_DDR_MEMORY_MASK#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #PROCPORT_DDR_MEMORY_MASK
|
||||
sta PROCPORT_DDR
|
||||
//SEG11 [6] *((const byte*) PROCPORT#0) ← (const byte) PROCPORT_RAM_IO#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #PROCPORT_RAM_IO
|
||||
sta PROCPORT
|
||||
//SEG12 [7] *((const byte*) CIA1_INTERRUPT#0) ← (const byte) CIA_INTERRUPT_CLEAR#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #CIA_INTERRUPT_CLEAR
|
||||
sta CIA1_INTERRUPT
|
||||
//SEG13 [8] *((const byte*) VIC_CONTROL#0) ← *((const byte*) VIC_CONTROL#0) | (byte/word/signed word/dword/signed dword) 128 [ ] ( main:2 [ ] ) -- _deref_pbuc1=_deref_pbuc1_bor_vbuc2
|
||||
lda VIC_CONTROL
|
||||
ora #$80
|
||||
sta VIC_CONTROL
|
||||
//SEG14 [9] *((const byte*) RASTER#0) ← (byte/signed byte/word/signed word/dword/signed dword) 0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #0
|
||||
sta RASTER
|
||||
//SEG15 [10] *((const byte*) IRQ_ENABLE#0) ← (const byte) IRQ_RASTER#0 [ ] ( main:2 [ ] ) -- _deref_pbuc1=vbuc2
|
||||
lda #IRQ_RASTER
|
||||
sta IRQ_ENABLE
|
||||
//SEG16 [11] *((const void()**) HARDWARE_IRQ#0) ← &interrupt(HARDWARE_CLOBBER)(void()) irq() [ ] ( main:2 [ ] ) -- _deref_pptc1=pprc2
|
||||
lda #<irq
|
||||
sta HARDWARE_IRQ
|
||||
lda #>irq
|
||||
sta HARDWARE_IRQ+1
|
||||
//SEG17 asm { cli }
|
||||
cli
|
||||
//SEG18 main::@2
|
||||
b2:
|
||||
//SEG19 [13] *((const byte*) FGCOL#0) ← ++ *((const byte*) FGCOL#0) [ ] ( main:2 [ ] ) -- _deref_pbuc1=_inc__deref_pbuc1
|
||||
inc FGCOL
|
||||
jmp b2
|
||||
}
|
||||
//SEG20 irq
|
||||
irq: {
|
||||
//SEG21 entry interrupt(HARDWARE_CLOBBER)
|
||||
sta rega+1
|
||||
//SEG22 [15] call do_irq [ ] ( )
|
||||
jsr do_irq
|
||||
//SEG23 irq::@return
|
||||
//SEG24 [16] return [ ] ( ) - exit interrupt(HARDWARE_CLOBBER)
|
||||
rega:
|
||||
lda #00
|
||||
rti
|
||||
}
|
||||
//SEG25 do_irq
|
||||
do_irq: {
|
||||
//SEG26 [17] *((const byte*) BGCOL#0) ← (const byte) WHITE#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #WHITE
|
||||
sta BGCOL
|
||||
//SEG27 [18] *((const byte*) BGCOL#0) ← (const byte) BLACK#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #BLACK
|
||||
sta BGCOL
|
||||
//SEG28 [19] *((const byte*) IRQ_STATUS#0) ← (const byte) IRQ_RASTER#0 [ ] ( ) -- _deref_pbuc1=vbuc2
|
||||
lda #IRQ_RASTER
|
||||
sta IRQ_STATUS
|
||||
//SEG29 do_irq::@return
|
||||
//SEG30 [20] return [ ] ( )
|
||||
rts
|
||||
}
|
||||
|
||||
@ -0,0 +1,42 @@
|
||||
(label) @3
|
||||
(label) @begin
|
||||
(label) @end
|
||||
(byte*) BGCOL
|
||||
(const byte*) BGCOL#0 BGCOL = ((byte*))(word/dword/signed dword) 53280
|
||||
(byte) BLACK
|
||||
(const byte) BLACK#0 BLACK = (byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte*) CIA1_INTERRUPT
|
||||
(const byte*) CIA1_INTERRUPT#0 CIA1_INTERRUPT = ((byte*))(word/dword/signed dword) 56333
|
||||
(byte) CIA_INTERRUPT_CLEAR
|
||||
(const byte) CIA_INTERRUPT_CLEAR#0 CIA_INTERRUPT_CLEAR = (byte/signed byte/word/signed word/dword/signed dword) 127
|
||||
(byte*) FGCOL
|
||||
(const byte*) FGCOL#0 FGCOL = ((byte*))(word/dword/signed dword) 53281
|
||||
(void()**) HARDWARE_IRQ
|
||||
(const void()**) HARDWARE_IRQ#0 HARDWARE_IRQ = ((void()**))(word/dword/signed dword) 65534
|
||||
(byte*) IRQ_ENABLE
|
||||
(const byte*) IRQ_ENABLE#0 IRQ_ENABLE = ((byte*))(word/dword/signed dword) 53274
|
||||
(byte) IRQ_RASTER
|
||||
(const byte) IRQ_RASTER#0 IRQ_RASTER = (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte*) IRQ_STATUS
|
||||
(const byte*) IRQ_STATUS#0 IRQ_STATUS = ((byte*))(word/dword/signed dword) 53273
|
||||
(byte*) PROCPORT
|
||||
(const byte*) PROCPORT#0 PROCPORT = ((byte*))(byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(byte*) PROCPORT_DDR
|
||||
(const byte*) PROCPORT_DDR#0 PROCPORT_DDR = ((byte*))(byte/signed byte/word/signed word/dword/signed dword) 0
|
||||
(byte) PROCPORT_DDR_MEMORY_MASK
|
||||
(const byte) PROCPORT_DDR_MEMORY_MASK#0 PROCPORT_DDR_MEMORY_MASK = (byte/signed byte/word/signed word/dword/signed dword) 7
|
||||
(byte) PROCPORT_RAM_IO
|
||||
(const byte) PROCPORT_RAM_IO#0 PROCPORT_RAM_IO = (byte/signed byte/word/signed word/dword/signed dword) 53
|
||||
(byte*) RASTER
|
||||
(const byte*) RASTER#0 RASTER = ((byte*))(word/dword/signed dword) 53266
|
||||
(byte*) VIC_CONTROL
|
||||
(const byte*) VIC_CONTROL#0 VIC_CONTROL = ((byte*))(word/dword/signed dword) 53265
|
||||
(byte) WHITE
|
||||
(const byte) WHITE#0 WHITE = (byte/signed byte/word/signed word/dword/signed dword) 1
|
||||
(void()) do_irq()
|
||||
(label) do_irq::@return
|
||||
interrupt(HARDWARE_CLOBBER)(void()) irq()
|
||||
(label) irq::@return
|
||||
(void()) main()
|
||||
(label) main::@2
|
||||
|
||||
Loading…
Reference in New Issue
Block a user