TestAssemblerOptimizer.java

/*
  TestAssemblerOptimizer.java

  (c) 2008-2013 Edward Swartz

  All rights reserved. This program and the accompanying materials
  are made available under the terms of the Eclipse Public License v1.0
  which accompanies this distribution, and is available at
  http://www.eclipse.org/legal/epl-v10.html
 */
package v9t9.tests.asm9900;

import java.util.List;

import v9t9.common.asm.IInstruction;
import v9t9.tests.inst9900.BaseTest9900;
import v9t9.tools.asm.ContentEntry;
import v9t9.tools.asm.Symbol;

public class TestAssemblerOptimizer extends BaseTest9900 {

	public void testAssemblerOptimizerSimplifier() throws Exception {
		String text =
			" aorg >100\n"+
			" li R0, 44\n"+
			" li R1, 0\n"+
			" li R2, -1\n"+
			" ai r4, 1\n"+
			" ai r5, 2\n"+
			" ai r6, -1\n"+
			" ai r7, -2\n"+
			"";
		
		testFileContent(text,
				0x100,
				new String[] { "li r0,44",
				"clr r1",
				"seto r2",
				"inc r4",
				"inct r5",
				"dec r6",
				"dect r7",
				},
				new Symbol[] {  });
		
	}
	
	public void testAssemblerOptimizerSimplifier2() throws Exception {
		String text =
			" aorg >100\n"+
			" mov @>2(R1), @>0(R1)\n"+
			" a @>0(R0), *R5+\n"+
			" mov @>0(R1), @>0(R1)\n"+
			"";
		
		testFileContent(text,
				0x100,
				new String[] { "mov @2(R1), *R1",
				"a *R0, *R5+",
				"mov *R1,*R1"},
				new Symbol[] {  });
		
	}
	
	public void testAssemblerOptimizerPeepholer() throws Exception {
		String text =
			" aorg >100\n"+
			" inc r1\n"+
			" ai R0, 0\n"+
			" inc r2\n"+
			"";
		
		testFileContent(text,
				0x100,
				new String[] {
				"inc r1",
				"inc r2",
				},
				new Symbol[] {  });
		
	}
	
	public void testAssemblerOptimizerPeepholer2() throws Exception {
		String text =
			" aorg >100\n"+
			" dw end\n"+		//100
			" li r0, end\n"+	//102
			" inc r1\n"+		//106
			" ai R0, 0\n"+		//108
			"end: inc r2\n"+	//10C
			"";
		
		testFileContent(text,
				0x100,
				new String[] {
				"dw >108",
				"li r0,>108",
				"inc r1",
				"inc r2",
				},
				new Symbol[] { new Symbol(stdAssembler.getSymbolTable(), "end", 0x108) });
		
	}
	
	private void testFileContent(String text, int pc, String[] stdInsts, Symbol[] symbols) throws Exception {
		String caller = new Exception().fillInStackTrace().getStackTrace()[1].getMethodName();
		stdAssembler.pushContentEntry(new ContentEntry(caller + ".asm", text));
		List<IInstruction> asminsts = stdAssembler.parse();
		List<IInstruction> realinsts = stdAssembler.resolve(asminsts);
		realinsts = stdAssembler.optimize(realinsts);

		testGeneratedContent(stdAssembler, pc, stdInsts, symbols, realinsts);
	}

	
}