Avoid a call to the runtime system when doing binary fp ops on ARM...

src/stub-cache-arm.cc

Index: src/stub-cache-arm.cc
===================================================================
--- src/stub-cache-arm.cc	(revision 1707)
+++ src/stub-cache-arm.cc	(working copy)
@@ -33,7 +33,7 @@
 
 namespace v8 { namespace internal {
 
-#define __ masm->
+#define __ DEFINE_MASM(masm)
 
 
 static void ProbeTable(MacroAssembler* masm,
@@ -183,7 +183,7 @@
 
   // Check that the maps haven't changed.
   Register reg =
-      __ CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
+      masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
   GenerateFastPropertyLoad(masm, r0, reg, holder, index);
   __ Ret();
 }
@@ -203,7 +203,7 @@
 
   // Check that the maps haven't changed.
   Register reg =
-      __ CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
+      masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
 
   // Return the constant value.
   __ mov(r0, Operand(Handle<Object>(value)));
@@ -226,7 +226,7 @@
 
   // Check that the maps haven't changed.
   Register reg =
-      __ CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
+      masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
 
   // Push the arguments on the JS stack of the caller.
   __ push(receiver);  // receiver
@@ -256,7 +256,7 @@
 
   // Check that the maps haven't changed.
   Register reg =
-      __ CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
+      masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label);
 
   // Push the arguments on the JS stack of the caller.
   __ push(receiver);  // receiver
@@ -456,10 +456,9 @@
 
 
 #undef __
+#define __ DEFINE_MASM(masm())
 
-#define __ masm()->
 
-
 Object* StubCompiler::CompileLazyCompile(Code::Flags flags) {
   // ----------- S t a t e -------------
   //  -- r1: function
@@ -511,7 +510,7 @@
 
   // Do the right check and compute the holder register.
   Register reg =
-      __ CheckMaps(JSObject::cast(object), r0, holder, r3, r2, &miss);
+      masm()->CheckMaps(JSObject::cast(object), r0, holder, r3, r2, &miss);
   GenerateFastPropertyLoad(masm(), r1, reg, holder, index);
 
   // Check that the function really is a function.