Implement hardfloat calling convention in macro assembler and simulator.

src/arm/lithium-codegen-arm.cc

 // Copyright 2011 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 1327 matching lines @@
     case Token::MUL:
       __ vmul(left, left, right);
       break;
     case Token::DIV:
       __ vdiv(left, left, right);
       break;
     case Token::MOD: {
       // Save r0-r3 on the stack.
       __ stm(db_w, sp, r0.bit() | r1.bit() | r2.bit() | r3.bit());
 
-      __ PrepareCallCFunction(4, scratch0());
-      __ vmov(r0, r1, left);
-      __ vmov(r2, r3, right);
+      __ PrepareCallCFunction(0, 2, scratch0());
+      __ SetCallCDoubleArguments(left, right);
       __ CallCFunction(
           ExternalReference::double_fp_operation(Token::MOD, isolate()), 4);
       // Move the result in the double result register.
       __ GetCFunctionDoubleResult(ToDoubleRegister(instr->result()));
 
       // Restore r0-r3.
       __ ldm(ia_w, sp, r0.bit() | r1.bit() | r2.bit() | r3.bit());
       break;
     }
     default:
@@ skipping 1598 matching lines @@
 
 
 void LCodeGen::DoPower(LPower* instr) {
   LOperand* left = instr->InputAt(0);
   LOperand* right = instr->InputAt(1);
   Register scratch = scratch0();
   DoubleRegister result_reg = ToDoubleRegister(instr->result());
   Representation exponent_type = instr->hydrogen()->right()->representation();
   if (exponent_type.IsDouble()) {
     // Prepare arguments and call C function.
-    __ PrepareCallCFunction(4, scratch);
-    __ vmov(r0, r1, ToDoubleRegister(left));
-    __ vmov(r2, r3, ToDoubleRegister(right));
+    __ PrepareCallCFunction(0, 2, scratch);
+    __ SetCallCDoubleArguments(ToDoubleRegister(left),
+                               ToDoubleRegister(right));
     __ CallCFunction(
         ExternalReference::power_double_double_function(isolate()), 4);
   } else if (exponent_type.IsInteger32()) {
     ASSERT(ToRegister(right).is(r0));
     // Prepare arguments and call C function.
-    __ PrepareCallCFunction(4, scratch);
-    __ mov(r2, ToRegister(right));
-    __ vmov(r0, r1, ToDoubleRegister(left));
+    __ PrepareCallCFunction(1, 1, scratch);
+    __ SetCallCDoubleArguments(ToDoubleRegister(left), ToRegister(right));
     __ CallCFunction(
-        ExternalReference::power_double_int_function(isolate()), 4);
+        ExternalReference::power_double_int_function(isolate()), 3);
   } else {
     ASSERT(exponent_type.IsTagged());
     ASSERT(instr->hydrogen()->left()->representation().IsDouble());
 
     Register right_reg = ToRegister(right);
 
     // Check for smi on the right hand side.
     Label non_smi, call;
     __ JumpIfNotSmi(right_reg, &non_smi);
 
     // Untag smi and convert it to a double.
     __ SmiUntag(right_reg);
     SwVfpRegister single_scratch = double_scratch0().low();
     __ vmov(single_scratch, right_reg);
     __ vcvt_f64_s32(result_reg, single_scratch);
     __ jmp(&call);
 
     // Heap number map check.
     __ bind(&non_smi);
     __ ldr(scratch, FieldMemOperand(right_reg, HeapObject::kMapOffset));
     __ LoadRoot(ip, Heap::kHeapNumberMapRootIndex);
     __ cmp(scratch, Operand(ip));
     DeoptimizeIf(ne, instr->environment());
     int32_t value_offset = HeapNumber::kValueOffset - kHeapObjectTag;
     __ add(scratch, right_reg, Operand(value_offset));
     __ vldr(result_reg, scratch, 0);
 
     // Prepare arguments and call C function.
     __ bind(&call);
-    __ PrepareCallCFunction(4, scratch);
-    __ vmov(r0, r1, ToDoubleRegister(left));
-    __ vmov(r2, r3, result_reg);
+    __ PrepareCallCFunction(0, 2, scratch);
+    __ SetCallCDoubleArguments(ToDoubleRegister(left), result_reg);
     __ CallCFunction(
         ExternalReference::power_double_double_function(isolate()), 4);
   }
   // Store the result in the result register.
   __ GetCFunctionDoubleResult(result_reg);
 }
 
 
 void LCodeGen::DoMathLog(LUnaryMathOperation* instr) {
   ASSERT(ToDoubleRegister(instr->result()).is(d2));
@@ skipping 1281 matching lines @@
   ASSERT(osr_pc_offset_ == -1);
   osr_pc_offset_ = masm()->pc_offset();
 }
 
 
 
 
 #undef __
 
 } }  // namespace v8::internal