[calls] Consistent call protocol for calls.

src/mips/macro-assembler-mips.cc

 
 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/base/bits.h"
@@ skipping 4063 matching lines @@
 
   // The code below is made a lot easier because the calling code already sets
   // up actual and expected registers according to the contract if values are
   // passed in registers.
   DCHECK(actual.is_immediate() || actual.reg().is(a0));
   DCHECK(expected.is_immediate() || expected.reg().is(a2));
   DCHECK((!code_constant.is_null() && code_reg.is(no_reg)) || code_reg.is(a3));
 
   if (expected.is_immediate()) {
     DCHECK(actual.is_immediate());
+    li(a0, Operand(actual.immediate()));
     if (expected.immediate() == actual.immediate()) {
       definitely_matches = true;
     } else {
-      li(a0, Operand(actual.immediate()));
       const int sentinel = SharedFunctionInfo::kDontAdaptArgumentsSentinel;
       if (expected.immediate() == sentinel) {
         // Don't worry about adapting arguments for builtins that
         // don't want that done. Skip adaption code by making it look
         // like we have a match between expected and actual number of
         // arguments.
         definitely_matches = true;
       } else {
         *definitely_mismatches = true;
         li(a2, Operand(expected.immediate()));
       }
     }
   } else if (actual.is_immediate()) {
-    Branch(&regular_invoke, eq, expected.reg(), Operand(actual.immediate()));
     li(a0, Operand(actual.immediate()));
+    Branch(&regular_invoke, eq, expected.reg(), Operand(a0));
   } else {
     Branch(&regular_invoke, eq, expected.reg(), Operand(actual.reg()));
   }
 
   if (!definitely_matches) {
     if (!code_constant.is_null()) {
       li(a3, Operand(code_constant));
       addiu(a3, a3, Code::kHeaderSize - kHeapObjectTag);
     }
 
@@ skipping 1900 matching lines @@
   if (mag.shift > 0) sra(result, result, mag.shift);
   srl(at, dividend, 31);
   Addu(result, result, Operand(at));
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS