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* net/loveruby/cflat/sysdep/x86/CodeGenerator.java (load, save): reduce # of arguments. 

git-svn-id: file:///Users/aamine/c/gitwork/public/cbc/trunk@4272 1b9489fe-b721-0410-924e-b54b9192deb8
This commit is contained in:
Minero Aoki 2009-05-31 20:43:15 +00:00
parent 1a7d027bee
commit 23d0fb9091
2 changed files with 24 additions and 12 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Mon Jun 1 05:43:13 2009 Minero Aoki <aamine@loveruby.net>
* net/loveruby/cflat/sysdep/x86/CodeGenerator.java (load, save):
reduce # of arguments.
Mon Jun 1 03:55:41 2009 Minero Aoki <aamine@loveruby.net>
* net/loveruby/cflat/sysdep/x86/CodeGenerator.java (Bin): optimize

31
net/loveruby/cflat/sysdep/x86/CodeGenerator.java
View File

@ -767,12 +767,16 @@ public class CodeGenerator
// #@@range/Bin{
public Void visit(Bin node) {
// #@@range/Bin_init{
Op op = node.op();
Type t = node.type();
// #@@}
if (node.right().isConstant()
&& !doesRequireRegisterOperand(op)) {
// #@@range/Bin_const{
compile(node.left());
compileBinaryOp(op, ax(t), node.right().asmValue());
// #@@}
}
else if (node.right().isConstant()) {
compile(node.left());
@ -798,11 +802,13 @@ public class CodeGenerator
compileBinaryOp(op, ax(t), cx(t));
}
else {
// #@@range/Bin_generic{
compile(node.right());
as.virtualPush(ax());
compile(node.left());
as.virtualPop(cx());
compileBinaryOp(op, ax(t), cx(t));
// #@@}
}
return null;
}
@ -959,13 +965,13 @@ public class CodeGenerator
public Void visit(Assign node) {
if (node.lhs().isAddr() && node.lhs().memref() != null) {
compile(node.rhs());
save(node.lhs().type(), ax(), node.lhs().memref());
save(ax(node.lhs().type()), node.lhs().memref());
}
else if (node.rhs().isConstant()) {
compile(node.lhs());
as.mov(ax(), cx());
loadConstant(node.rhs(), ax());
save(node.lhs().type(), ax(), mem(cx()));
save(ax(node.lhs().type()), mem(cx()));
}
else {
compile(node.rhs());
@ -973,7 +979,7 @@ public class CodeGenerator
compile(node.lhs());
as.mov(ax(), cx());
as.virtualPop(ax());
save(node.lhs().type(), ax(), mem(cx()));
save(ax(node.lhs().type()), mem(cx()));
}
return null;
}
@ -982,7 +988,7 @@ public class CodeGenerator
// #@@range/Mem{
public Void visit(Mem node) {
compile(node.expr());
load(node.type(), mem(ax()), ax());
load(mem(ax()), ax(node.type()));
return null;
}
// #@@}
@ -1016,15 +1022,16 @@ public class CodeGenerator
}
// #@@}
/** Loads variable value to the register. */
/** Loads variable content to the register. */
// #@@range/loadVariable{
private void loadVariable(Var var, Register dest) {
if (var.memref() == null) {
as.mov(var.address(), dest);
load(var.type(), mem(dest), dest);
Register a = dest.forType(naturalType);
as.mov(var.address(), a);
load(mem(a), dest.forType(var.type()));
}
else {
load(var.type(), var.memref(), dest);
load(var.memref(), dest.forType(var.type()));
}
}
// #@@}
@ -1117,14 +1124,14 @@ public class CodeGenerator
// #@@}
// #@@range/load{
private void load(Type type, MemoryReference mem, Register reg) {
as.mov(mem, reg.forType(type));
private void load(MemoryReference mem, Register reg) {
as.mov(mem, reg);
}
// #@@}
// #@@range/save{
private void save(Type type, Register reg, MemoryReference mem) {
as.mov(reg.forType(type), mem);
private void save(Register reg, MemoryReference mem) {
as.mov(reg, mem);
}
// #@@}
}