Provide baseline GC version.

src/ia32/codegen-ia32.cc

Index: src/ia32/codegen-ia32.cc
diff --git a/src/ia32/codegen-ia32.cc b/src/ia32/codegen-ia32.cc
index 022c117198eaccdcc4c02c3121235f891f6572e2..e54956c5a3358882e9e6b9bec049156811ee056f 100644
--- a/src/ia32/codegen-ia32.cc
+++ b/src/ia32/codegen-ia32.cc
@@ -7686,6 +7686,7 @@ void CodeGenerator::GenerateSwapElements(ZoneList<Expression*>* args) {
   __ mov(Operand(index2.reg(), 0), object.reg());
   __ mov(Operand(index1.reg(), 0), tmp2.reg());
 
+#ifndef BASELINE_GC
   Label done;
   __ InNewSpace(tmp1.reg(), tmp2.reg(), equal, &done);
   // Possible optimization: do a check that both values are Smis
@@ -7695,6 +7696,7 @@ void CodeGenerator::GenerateSwapElements(ZoneList<Expression*>* args) {
   __ RecordWriteHelper(tmp2.reg(), index1.reg(), object.reg());
   __ RecordWriteHelper(tmp1.reg(), index2.reg(), object.reg());
   __ bind(&done);
+#endif
 
   deferred->BindExit();
   frame_->Push(Factory::undefined_value());
@@ -9632,6 +9634,7 @@ Result CodeGenerator::EmitNamedStore(Handle<String> name, bool is_contextual) {
 
     // Update the write barrier. To save instructions in the inlined
     // version we do not filter smis.
+#ifndef BASELINE_GC
     Label skip_write_barrier;
     __ InNewSpace(receiver.reg(), value.reg(), equal, &skip_write_barrier);
     int delta_to_record_write = masm_->SizeOfCodeGeneratedSince(&patch_site);
@@ -9643,6 +9646,7 @@ Result CodeGenerator::EmitNamedStore(Handle<String> name, bool is_contextual) {
       __ mov(scratch.reg(), Immediate(BitCast<int32_t>(kZapValue)));
     }
     __ bind(&skip_write_barrier);
+#endif
     value.Unuse();
     scratch.Unuse();
     receiver.Unuse();
@@ -9656,8 +9660,13 @@ Result CodeGenerator::EmitNamedStore(Handle<String> name, bool is_contextual) {
     // to the write barrier store address computation in a test eax
     // instruction.
     int delta_to_patch_site = masm_->SizeOfCodeGeneratedSince(&patch_site);
+#ifndef BASELINE_GC
     __ test(eax,
             Immediate((delta_to_record_write << 16) | delta_to_patch_site));
+#else
+    __ test(eax,
+            Immediate(delta_to_patch_site));

[Vitaly Repeshko, 2010/12/13 13:38:01]

This can cause short encoding for the test instruction and
StoreIC::PatchInlinedStore might fail.

+#endif
     done.Bind(&result);
   }