[arm] Remove embedded constant pool support.

src/register-configuration.cc

 // Copyright 2014 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/register-configuration.h"
 #include "src/globals.h"
 #include "src/macro-assembler.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 59 matching lines @@
 #if V8_TARGET_ARCH_IA32
             kMaxAllocatableGeneralRegisterCount,
             kMaxAllocatableDoubleRegisterCount,
 #elif V8_TARGET_ARCH_X87
             kMaxAllocatableGeneralRegisterCount,
             compiler == TURBOFAN ? 1 : kMaxAllocatableDoubleRegisterCount,
 #elif V8_TARGET_ARCH_X64
             kMaxAllocatableGeneralRegisterCount,
             kMaxAllocatableDoubleRegisterCount,
 #elif V8_TARGET_ARCH_ARM
-            FLAG_enable_embedded_constant_pool
-                ? (kMaxAllocatableGeneralRegisterCount - 1)
-                : kMaxAllocatableGeneralRegisterCount,
+            kMaxAllocatableGeneralRegisterCount,
             CpuFeatures::IsSupported(VFP32DREGS)
                 ? kMaxAllocatableDoubleRegisterCount
                 : (ALLOCATABLE_NO_VFP32_DOUBLE_REGISTERS(REGISTER_COUNT) 0),
 #elif V8_TARGET_ARCH_ARM64
             kMaxAllocatableGeneralRegisterCount,
             kMaxAllocatableDoubleRegisterCount,
 #elif V8_TARGET_ARCH_MIPS
             kMaxAllocatableGeneralRegisterCount,
             kMaxAllocatableDoubleRegisterCount,
 #elif V8_TARGET_ARCH_MIPS64
@@ skipping 164 matching lines @@
     return index == other_index >> shift;
   }
   int shift = other_rep_int - rep_int;
   return index >> shift == other_index;
 }
 
 #undef REGISTER_COUNT
 
 }  // namespace internal
 }  // namespace v8