Rollback trunk to 3.21.15.

src/ia32/codegen-ia32.cc

 // Copyright 2012 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 750 matching lines @@
   __ bind(&loop);
   __ mov(ebx, FieldOperand(esi, edi, times_2, FixedArray::kHeaderSize));
   // ebx: current element from source
   // edi: index of current element
   __ JumpIfNotSmi(ebx, &convert_hole);
 
   // Normal smi, convert it to double and store.
   __ SmiUntag(ebx);
   if (CpuFeatures::IsSupported(SSE2)) {
     CpuFeatureScope fscope(masm, SSE2);
-    __ Cvtsi2sd(xmm0, ebx);
+    __ cvtsi2sd(xmm0, ebx);
     __ movdbl(FieldOperand(eax, edi, times_4, FixedDoubleArray::kHeaderSize),
               xmm0);
   } else {
     __ push(ebx);
     __ fild_s(Operand(esp, 0));
     __ pop(ebx);
     __ fstp_d(FieldOperand(eax, edi, times_4, FixedDoubleArray::kHeaderSize));
   }
   __ jmp(&entry);
 
@@ skipping 376 matching lines @@
   } else {
     sequence++;  // Skip the kCallOpcode byte
     Address target_address = sequence + *reinterpret_cast<int*>(sequence) +
         Assembler::kCallTargetAddressOffset;
     Code* stub = GetCodeFromTargetAddress(target_address);
     GetCodeAgeAndParity(stub, age, parity);
   }
 }
 
 
-void Code::PatchPlatformCodeAge(Isolate* isolate,
-                                byte* sequence,
+void Code::PatchPlatformCodeAge(byte* sequence,
                                 Code::Age age,
                                 MarkingParity parity) {
   uint32_t young_length;
   byte* young_sequence = GetNoCodeAgeSequence(&young_length);
   if (age == kNoAge) {
     CopyBytes(sequence, young_sequence, young_length);
     CPU::FlushICache(sequence, young_length);
   } else {
-    Code* stub = GetCodeAgeStub(isolate, age, parity);
+    Code* stub = GetCodeAgeStub(age, parity);
     CodePatcher patcher(sequence, young_length);
     patcher.masm()->call(stub->instruction_start(), RelocInfo::NONE32);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32