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Added -vfixlongbranch to give more info about the fix long branch pass.

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This commit is contained in:
jespergravgaard 2021-09-25 19:59:45 +02:00
parent 5d6fcca6c2
commit 075974063a
4 changed files with 34 additions and 15 deletions
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9
.idea/codeStyles/Project.xml
View File

@ -4,15 +4,6 @@
<option name="JD_ALIGN_PARAM_COMMENTS" value="false" />
<option name="JD_DO_NOT_WRAP_ONE_LINE_COMMENTS" value="true" />
</JavaCodeStyleSettings>
<JetCodeStyleSettings>
<option name="PACKAGES_TO_USE_STAR_IMPORTS">
<value>
<package name="java.util" withSubpackages="false" static="false" />
<package name="kotlinx.android.synthetic" withSubpackages="true" static="false" />
<package name="io.ktor" withSubpackages="true" static="false" />
</value>
</option>
</JetCodeStyleSettings>
<codeStyleSettings language="JAVA">
<option name="SPACE_BEFORE_IF_PARENTHESES" value="false" />
<option name="SPACE_BEFORE_WHILE_PARENTHESES" value="false" />

13
src/main/java/dk/camelot64/kickc/CompileLog.java
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@ -85,6 +85,11 @@ public class CompileLog {
*/
private boolean verboseSsaSourceCode = false;
/**
* Print verbose info in the fix long branch fix pass
*/
private boolean verboseFixLongBranch = false;
/**
* Should the log be output to System.out while being built
*/
@ -132,6 +137,14 @@ public class CompileLog {
this.verboseSsaSourceCode = verboseSsaSourceCode;
}
public boolean isVerboseFixLongBranch() {
return verboseFixLongBranch;
}
public void setVerboseFixLongBranch(boolean verboseFixLongBranch) {
this.verboseFixLongBranch = verboseFixLongBranch;
}
public boolean isVerboseCreateSsa() {
return verboseCreateSsa;
}

8
src/main/java/dk/camelot64/kickc/KickC.java
View File

@ -146,6 +146,9 @@ public class KickC implements Callable<Integer> {
@CommandLine.Option(names = {"-vasmoptimize"}, description = "Verbosity Option. Assembler optimization.")
private boolean verboseAsmOptimize = false;
@CommandLine.Option(names = {"-vfixlongbranch"}, description = "Verbosity Option. Fix Long ASM branches.")
private boolean verboseFixLongBranch = false;
@CommandLine.Option(names = {"-Wfragment"}, description = "Warning Option. Missing fragments produces a warning instead of an error.")
private boolean warnFragmentMissing = false;
@ -564,6 +567,11 @@ public class KickC implements Callable<Integer> {
compiler.getLog().setVerboseAsmOptimize(true);
compiler.getLog().setSysOut(true);
}
if(verboseFixLongBranch) {
compiler.getLog().setVerboseFixLongBranch(true);
compiler.getLog().setSysOut(true);
}
}
/**

19
src/main/java/dk/camelot64/kickc/passes/Pass5FixLongBranches.java
View File

@ -80,30 +80,37 @@ public class Pass5FixLongBranches extends Pass5AsmOptimization {
} catch(Throwable e) {
if(e instanceof AssertionError && e.getMessage().contains("Invalid number of bytes in memblock!")) {
throw new CompileError("Error! KickAssembler failed due to assertion. Please run java without -ea / -enableassertions.", e);
} else {
} else {
throw new CompileError("Error! KickAssembler failed, while trying to fix long branch. " + e);
}
} finally {
} finally {
System.setOut(new PrintStream(new FileOutputStream(FileDescriptor.out)));
}
String output = kickAssOut.toString();
if(getLog().isVerboseFixLongBranch())
getLog().append("Pass5FixLongBranches: ASM process result " + asmRes);
// Look for a long branch distance error
if(asmRes != 0) {
String outputLines[] = output.split("\\r?\\n");
if(getLog().isVerboseFixLongBranch())
getLog().append("Pass5FixLongBranches: Number of ASM lines " + outputLines.length);
for(int i = 0; i < outputLines.length; i++) {
String outputLine = outputLines[i];
if(outputLine.contains("Error: relative address is illegal (jump distance is too far).")) {
// Found a long branch!
String contextLine = outputLines[i + 1];
if(getLog().isVerboseFixLongBranch())
getLog().append("Pass5FixLongBranches: Found long branch " + contextLine);
Pattern contextPattern = Pattern.compile("at line ([0-9]*),.*");
Matcher matcher = contextPattern.matcher(contextLine);
//getLog().append("Found long branch "+contextLine);
if(matcher.matches()) {
String contextLineIdxStr = matcher.group(1);
int contextLineIdx = Integer.parseInt(contextLineIdxStr);
// Found line number
//getLog().append("Found long branch line number "+contextLineIdx);
if(getLog().isVerboseFixLongBranch())
getLog().append("Pass5FixLongBranches: Found long branch line number " + contextLineIdx);
if(fixLongBranch(contextLineIdx - 1)) {
return true;
}
@ -138,7 +145,7 @@ public class Pass5FixLongBranches extends Pass5AsmOptimization {
String branchDest = asmInstruction.getOperandJumpTarget();
asmInstruction.setCpuOpcode(inverseCpuOpcode);
String newLabel = AsmFormat.asmFix("!" + branchDest);
asmInstruction.setOperandJumpTarget(newLabel+"+");
asmInstruction.setOperandJumpTarget(newLabel + "+");
CpuOpcode jmpOpcode = getAsmProgram().getTargetCpu().getCpu65xx().getOpcode("jmp", CpuAddressingMode.ABS, false);
AsmInstruction jmpInstruction = new AsmInstruction(jmpOpcode, branchDest, null);
asmChunk.addLineAfter(asmInstruction, jmpInstruction);
@ -186,7 +193,7 @@ public class Pass5FixLongBranches extends Pass5AsmOptimization {
}
private static File getTmpFile(Path tmpDir, String fileName) {
return new File(tmpDir.toFile(), fileName );
return new File(tmpDir.toFile(), fileName);
}
}