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cbc
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r5009@macbookpro: aamine | 2009-06-01 03:56:40 +0900 

* net/loveruby/cflat/sysdep/x86/CodeGenerator.java (Bin): optimize more patterns.
 


git-svn-id: file:///Users/aamine/c/gitwork/public/cbc/trunk@4271 1b9489fe-b721-0410-924e-b54b9192deb8
This commit is contained in:
Minero Aoki 2009-05-31 18:57:00 +00:00
parent 694aa209f3
commit 1a7d027bee
3 changed files with 49 additions and 19 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
Mon Jun 1 03:55:41 2009 Minero Aoki <aamine@loveruby.net>
* net/loveruby/cflat/sysdep/x86/CodeGenerator.java (Bin): optimize
more patterns.
Sun May 31 22:32:29 2009 Minero Aoki <aamine@loveruby.net>
* net/loveruby/cflat/sysdep/x86/CodeGenerator.java: refactoring:

41
net/loveruby/cflat/sysdep/x86/CodeGenerator.java
View File

@ -767,30 +767,49 @@ public class CodeGenerator
// #@@range/Bin{
public Void visit(Bin node) {
Operand right = null;
if (!doesSpillRegister(node.op()) && node.right().isConstant()){
Op op = node.op();
Type t = node.type();
if (node.right().isConstant()
&& !doesRequireRegisterOperand(op)) {
compile(node.left());
right = node.right().asmValue();
compileBinaryOp(op, ax(t), node.right().asmValue());
}
else if (node.right().isConstant()) {
compile(node.left());
loadConstant(node.right(), cx());
compileBinaryOp(op, ax(t), cx(t));
}
else if (node.right().isVar()) {
compile(node.left());
loadVariable(((Var)node.right()), cx());
right = cx(node.type());
loadVariable((Var)node.right(), cx(t));
compileBinaryOp(op, ax(t), cx(t));
}
else if (node.right().isAddr()) {
compile(node.left());
loadAddress(node.right().getEntityForce(), cx(t));
compileBinaryOp(op, ax(t), cx(t));
}
else if (node.left().isConstant()
|| node.left().isVar()
|| node.left().isAddr()) {
compile(node.right());
as.mov(ax(), cx());
compile(node.left());
compileBinaryOp(op, ax(t), cx(t));
}
else {
compile(node.right());
as.virtualPush(ax());
compile(node.left());
as.virtualPop(cx());
right = cx(node.type());
compileBinaryOp(op, ax(t), cx(t));
}
compileBinaryOp(node.op(), ax(node.type()), right);
return null;
}
// #@@}
// #@@range/doesSpillRegister{
private boolean doesSpillRegister(Op op) {
// #@@range/doesRequireRegisterOperand{
private boolean doesRequireRegisterOperand(Op op) {
switch (op) {
case S_DIV:
case U_DIV:
@ -875,7 +894,7 @@ public class CodeGenerator
default:
throw new Error("unknown binary operator: " + op);
}
as.movzb(al(), left);
as.movzx(al(), left);
}
// #@@}
}
@ -896,7 +915,7 @@ public class CodeGenerator
case NOT:
as.test(ax(src), ax(src));
as.sete(al());
as.movzb(al(), ax(dest));
as.movzx(al(), ax(dest));
break;
case S_CAST:
as.movsx(ax(src), ax(dest));

22
test/test_cbc.sh
View File

@ -341,14 +341,20 @@ assert_stat() {
assert_out() {
msg="$1"; shift
assert_compile_success "$1.cb" &&
assert_stdout "$msg" "$@" &&
assert_compile_success -O "$1.cb" &&
assert_stdout "$msg" "$@" &&
assert_compile_success -fPIC "$1.cb" &&
assert_stdout "$msg" "$@" &&
assert_compile_success -O -fPIC "$1.cb" &&
assert_stdout "$msg" "$@"
if [ -n "$SHUNIT_FAST" ]
then
assert_compile_success "$1.cb" &&
assert_stdout "$msg" "$@"
else
assert_compile_success "$1.cb" &&
assert_stdout "$msg" "$@" &&
assert_compile_success -O "$1.cb" &&
assert_stdout "$msg" "$@" &&
assert_compile_success -fPIC "$1.cb" &&
assert_stdout "$msg" "$@" &&
assert_compile_success -O -fPIC "$1.cb" &&
assert_stdout "$msg" "$@"
fi
}
assert_ok() {