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

src/stub-cache-arm.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 15 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
 #include "ic-inl.h"
 #include "codegen-inl.h"
 #include "stub-cache.h"
 
 namespace v8 { namespace internal {
 
-#define __ masm->
+#define __ DEFINE_MASM(masm)
 
 
 static void ProbeTable(MacroAssembler* masm,
                        Code::Flags flags,
                        StubCache::Table table,
                        Register name,
                        Register offset) {
   ExternalReference key_offset(SCTableReference::keyReference(table));
   ExternalReference value_offset(SCTableReference::valueReference(table));
 
@@ skipping 129 matching lines @@
                                      Register scratch1,
                                      Register scratch2,
                                      int index,
                                      Label* miss_label) {
   // Check that the receiver isn't a smi.
   __ tst(receiver, Operand(kSmiTagMask));
   __ b(eq, miss_label);
 
   // 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();
 }
 
 
 void StubCompiler::GenerateLoadConstant(MacroAssembler* masm,
                                         JSObject* object,
                                         JSObject* holder,
                                         Register receiver,
                                         Register scratch1,
                                         Register scratch2,
                                         Object* value,
                                         Label* miss_label) {
   // Check that the receiver isn't a smi.
   __ tst(receiver, Operand(kSmiTagMask));
   __ b(eq, miss_label);
 
   // 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)));
   __ Ret();
 }
 
 
 void StubCompiler::GenerateLoadCallback(MacroAssembler* masm,
                                         JSObject* object,
                                         JSObject* holder,
                                         Register receiver,
                                         Register name,
                                         Register scratch1,
                                         Register scratch2,
                                         AccessorInfo* callback,
                                         Label* miss_label) {
   // Check that the receiver isn't a smi.
   __ tst(receiver, Operand(kSmiTagMask));
   __ b(eq, miss_label);
 
   // 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
   __ mov(ip, Operand(Handle<AccessorInfo>(callback)));  // callback data
   __ push(ip);
   __ push(name);  // name
   __ push(reg);  // holder
 
   // Do tail-call to the runtime system.
   ExternalReference load_callback_property =
       ExternalReference(IC_Utility(IC::kLoadCallbackProperty));
   __ TailCallRuntime(load_callback_property, 4);
 }
 
 
 void StubCompiler::GenerateLoadInterceptor(MacroAssembler* masm,
                                            JSObject* object,
                                            JSObject* holder,
                                            Register receiver,
                                            Register name,
                                            Register scratch1,
                                            Register scratch2,
                                            Label* miss_label) {
   // Check that the receiver isn't a smi.
   __ tst(receiver, Operand(kSmiTagMask));
   __ b(eq, miss_label);
 
   // 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
   __ push(reg);  // holder
   __ push(name);  // name
 
   // Do tail-call to the runtime system.
   ExternalReference load_ic_property =
       ExternalReference(IC_Utility(IC::kLoadInterceptorProperty));
   __ TailCallRuntime(load_ic_property, 3);
@@ skipping 179 matching lines @@
   } else {
     code = Builtins::builtin(Builtins::KeyedLoadIC_Miss);
   }
 
   Handle<Code> ic(code);
   __ Jump(ic, RelocInfo::CODE_TARGET);
 }
 
 
 #undef __
-
-#define __ masm()->
+#define __ DEFINE_MASM(masm())
 
 
 Object* StubCompiler::CompileLazyCompile(Code::Flags flags) {
   // ----------- S t a t e -------------
   //  -- r1: function
   //  -- lr: return address
   // -----------------------------------
 
   // Enter an internal frame.
   __ EnterInternalFrame();
@@ skipping 33 matching lines @@
   const int argc = arguments().immediate();
 
   // Get the receiver of the function from the stack into r0.
   __ ldr(r0, MemOperand(sp, argc * kPointerSize));
   // Check that the receiver isn't a smi.
   __ tst(r0, Operand(kSmiTagMask));
   __ b(eq, &miss);
 
   // 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.
   __ tst(r1, Operand(kSmiTagMask));
   __ b(eq, &miss);
   // Get the map.
   __ ldr(r2, FieldMemOperand(r1, HeapObject::kMapOffset));
   __ ldrb(r2, FieldMemOperand(r2, Map::kInstanceTypeOffset));
   __ cmp(r2, Operand(JS_FUNCTION_TYPE));
   __ b(ne, &miss);
@@ skipping 591 matching lines @@
   __ Jump(ic, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
   return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal