[cleanup] Drop unused Allocate*String MacroAssembler instructions

src/ppc/macro-assembler-ppc.h

 // 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.
 
 #ifndef V8_PPC_MACRO_ASSEMBLER_PPC_H_
 #define V8_PPC_MACRO_ASSEMBLER_PPC_H_
 
 #include "src/assembler.h"
 #include "src/bailout-reason.h"
 #include "src/frames.h"
@@ skipping 694 matching lines @@
 
   // FastAllocate is right now only used for folded allocations. It just
   // increments the top pointer without checking against limit. This can only
   // be done if it was proved earlier that the allocation will succeed.
   void FastAllocate(int object_size, Register result, Register scratch1,
                     Register scratch2, AllocationFlags flags);
 
   void FastAllocate(Register object_size, Register result, Register result_end,
                     Register scratch, AllocationFlags flags);
 
-  void AllocateTwoByteString(Register result, Register length,
-                             Register scratch1, Register scratch2,
-                             Register scratch3, Label* gc_required);
-  void AllocateOneByteString(Register result, Register length,
-                             Register scratch1, Register scratch2,
-                             Register scratch3, Label* gc_required);
-  void AllocateTwoByteConsString(Register result, Register length,
-                                 Register scratch1, Register scratch2,
-                                 Label* gc_required);
-  void AllocateOneByteConsString(Register result, Register length,
-                                 Register scratch1, Register scratch2,
-                                 Label* gc_required);
-  void AllocateTwoByteSlicedString(Register result, Register length,
-                                   Register scratch1, Register scratch2,
-                                   Label* gc_required);
-  void AllocateOneByteSlicedString(Register result, Register length,
-                                   Register scratch1, Register scratch2,
-                                   Label* gc_required);
-
   // Allocates a heap number or jumps to the gc_required label if the young
   // space is full and a scavenge is needed. All registers are clobbered also
   // when control continues at the gc_required label.
   void AllocateHeapNumber(Register result, Register scratch1, Register scratch2,
                           Register heap_number_map, Label* gc_required,
                           MutableMode mode = IMMUTABLE);
   void AllocateHeapNumberWithValue(Register result, DoubleRegister value,
                                    Register scratch1, Register scratch2,
                                    Register heap_number_map,
                                    Label* gc_required);
@@ skipping 653 matching lines @@
                                              Register scratch1,
                                              Register scratch2,
                                              Label* not_flat_one_byte_strings);
 
   // Checks if both instance types are sequential one-byte strings and jumps to
   // label if either is not.
   void JumpIfBothInstanceTypesAreNotSequentialOneByte(
       Register first_object_instance_type, Register second_object_instance_type,
       Register scratch1, Register scratch2, Label* failure);
 
-  // Check if instance type is sequential one-byte string and jump to label if
-  // it is not.
-  void JumpIfInstanceTypeIsNotSequentialOneByte(Register type, Register scratch,
-                                                Label* failure);
-
   void JumpIfNotUniqueNameInstanceType(Register reg, Label* not_unique_name);
 
   void EmitSeqStringSetCharCheck(Register string, Register index,
                                  Register value, uint32_t encoding_mask);
 
   // ---------------------------------------------------------------------------
   // Patching helpers.
 
   // Decode offset from constant pool load instruction(s).
   // Caller must place the instruction word at <location> in <result>.
@@ skipping 180 matching lines @@
 inline MemOperand NativeContextMemOperand() {
   return ContextMemOperand(cp, Context::NATIVE_CONTEXT_INDEX);
 }
 
 #define ACCESS_MASM(masm) masm->
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PPC_MACRO_ASSEMBLER_PPC_H_