Revert "Change the order of arguments of the (One|Two)ByteSeqStringSetChar intrinsic."

src/mips64/full-codegen-mips64.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 "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS64
 
 // Note on Mips implementation:
 //
@@ skipping 3416 matching lines @@
 
 
 void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK_EQ(3, args->length());
 
   Register string = v0;
   Register index = a1;
   Register value = a2;
 
-  VisitForStackValue(args->at(0));        // index
-  VisitForStackValue(args->at(1));        // value
-  VisitForAccumulatorValue(args->at(2));  // string
+  VisitForStackValue(args->at(1));        // index
+  VisitForStackValue(args->at(2));        // value
+  VisitForAccumulatorValue(args->at(0));  // string
   __ Pop(index, value);
 
   if (FLAG_debug_code) {
     __ SmiTst(value, at);
     __ Check(eq, kNonSmiValue, at, Operand(zero_reg));
     __ SmiTst(index, at);
     __ Check(eq, kNonSmiIndex, at, Operand(zero_reg));
     __ SmiUntag(index, index);
     static const uint32_t one_byte_seq_type = kSeqStringTag | kOneByteStringTag;
     Register scratch = t1;
@@ skipping 14 matching lines @@
 
 
 void FullCodeGenerator::EmitTwoByteSeqStringSetChar(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK_EQ(3, args->length());
 
   Register string = v0;
   Register index = a1;
   Register value = a2;
 
-  VisitForStackValue(args->at(0));        // index
-  VisitForStackValue(args->at(1));        // value
-  VisitForAccumulatorValue(args->at(2));  // string
+  VisitForStackValue(args->at(1));        // index
+  VisitForStackValue(args->at(2));        // value
+  VisitForAccumulatorValue(args->at(0));  // string
   __ Pop(index, value);
 
   if (FLAG_debug_code) {
     __ SmiTst(value, at);
     __ Check(eq, kNonSmiValue, at, Operand(zero_reg));
     __ SmiTst(index, at);
     __ Check(eq, kNonSmiIndex, at, Operand(zero_reg));
     __ SmiUntag(index, index);
     static const uint32_t two_byte_seq_type = kSeqStringTag | kTwoByteStringTag;
     Register scratch = t1;
@@ skipping 1389 matching lines @@
       Assembler::target_address_at(pc_immediate_load_address)) ==
          reinterpret_cast<uint64_t>(
              isolate->builtins()->OsrAfterStackCheck()->entry()));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS64