MIPS: Refactor and improve inlined double-aligned allocations

src/mips/macro-assembler-mips.h

 // 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 33 matching lines @@
 //
 // The programmer should know that the MacroAssembler may clobber these three,
 // but won't touch other registers except in special cases.
 //
 // Per the MIPS ABI, register t9 must be used for indirect function call
 // via 'jalr t9' or 'jr t9' instructions. This is relied upon by gcc when
 // trying to update gp register for position-independent-code. Whenever
 // MIPS generated code calls C code, it must be via t9 register.
 
 
-// Flags used for the AllocateInNewSpace functions.
-enum AllocationFlags {
-  // No special flags.
-  NO_ALLOCATION_FLAGS = 0,
-  // Return the pointer to the allocated already tagged as a heap object.
-  TAG_OBJECT = 1 << 0,
-  // The content of the result register already contains the allocation top in
-  // new space.
-  RESULT_CONTAINS_TOP = 1 << 1,
-  // Specify that the requested size of the space to allocate is specified in
-  // words instead of bytes.
-  SIZE_IN_WORDS = 1 << 2
-};
-
 // Flags used for AllocateHeapNumber
 enum TaggingMode {
   // Tag the result.
   TAG_RESULT,
   // Don't tag
   DONT_TAG_RESULT
 };
 
 // Flags used for the ObjectToDoubleFPURegister function.
 enum ObjectToDoubleFlags {
@@ skipping 1509 matching lines @@
 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x)
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_