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* net/loveruby/cflat/sysdep/x86/CodeGenerator.java: refactoring: reorder methods. 

* net/loveruby/cflat/sysdep/x86/CodeGenerator.java: refactoring: inlining #testCond.


git-svn-id: file:///Users/aamine/c/gitwork/public/cbc/trunk@4248 1b9489fe-b721-0410-924e-b54b9192deb8
This commit is contained in:
Minero Aoki 2009-05-24 13:44:10 +00:00
parent b9ad38ef16
commit 64e91a4737
2 changed files with 34 additions and 36 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
Sun May 24 22:44:07 2009 Minero Aoki <aamine@loveruby.net>
* net/loveruby/cflat/sysdep/x86/CodeGenerator.java: refactoring:
reorder methods.
* net/loveruby/cflat/sysdep/x86/CodeGenerator.java: refactoring:
inlining #testCond.
Sun May 24 21:57:04 2009 Minero Aoki <aamine@loveruby.net>
* net/loveruby/cflat/compiler/IRGenerator.java: do not use

62
net/loveruby/cflat/sysdep/x86/CodeGenerator.java
View File

@ -642,7 +642,7 @@ public class CodeGenerator
* * All arguments are on stack.
* * Caller rewinds stack pointer.
*/
// #@@range/compile_Funcall{
// #@@range/Funcall{
public Void visit(Call node) {
for (Expr arg : ListUtils.reverse(node.args())) {
compile(arg);
@ -661,7 +661,7 @@ public class CodeGenerator
}
// #@@}
// #@@range/compile_Return{
// #@@range/Return{
public Void visit(Return node) {
if (node.expr() != null) {
compile(node.expr());
@ -686,28 +686,38 @@ public class CodeGenerator
}
// #@@}
// #@@range/Stmt{
public Void visit(ExprStmt stmt) {
compile(stmt.expr());
return null;
}
// #@@}
// #@@range/testCond{
private void testCond(Type t, Register reg) {
as.test(t, reg.forType(t), reg.forType(t));
// #@@range/LabelStmt{
public Void visit(LabelStmt node) {
as.label(node.label());
return null;
}
// #@@}
// #@@range/compile_CJump{
// #@@range/Jump{
public Void visit(Jump node) {
as.jmp(node.label());
return null;
}
// #@@}
// #@@range/CJump{
public Void visit(CJump node) {
compile(node.cond());
testCond(node.cond().type(), ax());
Type t = node.cond().type();
as.test(t, ax(t), ax(t));
as.jnz(node.thenLabel());
as.jmp(node.elseLabel());
return null;
}
// #@@}
// #@@range/compile_Switch{
public Void visit(Switch node) {
compile(node.cond());
Type t = node.cond().type();
@ -719,21 +729,6 @@ public class CodeGenerator
as.jmp(node.defaultLabel());
return null;
}
// #@@}
// #@@range/compile_LabelStmt{
public Void visit(LabelStmt node) {
as.label(node.label());
return null;
}
// #@@}
// #@@range/compile_Jump{
public Void visit(Jump node) {
as.jmp(node.label());
return null;
}
// #@@}
//
// Expressions
@ -873,32 +868,27 @@ public class CodeGenerator
// #@@range/compile_Uni{
public Void visit(Uni node) {
Type src = node.expr().type();
Type dest = node.type();
compile(node.expr());
switch (node.op()) {
case UMINUS:
as.neg(node.expr().type(), ax(node.expr().type()));
as.neg(src, ax(src));
break;
case BIT_NOT:
as.not(node.expr().type(), ax(node.expr().type()));
as.not(src, ax(src));
break;
case NOT:
testCond(node.expr().type(), ax());
as.test(src, ax(src), ax(dest));
as.sete(al());
as.movzbl(al(), ax());
break;
case S_CAST:
{
Type src = node.expr().type();
Type dest = node.type();
as.movsx(src, dest, ax(src), ax(dest));
}
as.movsx(src, dest, ax(src), ax(dest));
break;
case U_CAST:
{
Type src = node.expr().type();
Type dest = node.type();
as.movzx(src, dest, ax(src), ax(dest));
}
as.movzx(src, dest, ax(src), ax(dest));
break;
default:
throw new Error("unknown unary operator: " + node.op());