[cleanup] Drop unused Allocate*String MacroAssembler instructions

src/ia32/macro-assembler-ia32.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.
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 1575 matching lines @@
            NO_ALLOCATION_FLAGS);
 
   Handle<Map> map = mode == MUTABLE
       ? isolate()->factory()->mutable_heap_number_map()
       : isolate()->factory()->heap_number_map();
 
   // Set the map.
   mov(FieldOperand(result, HeapObject::kMapOffset), Immediate(map));
 }
 
-
-void MacroAssembler::AllocateTwoByteString(Register result,
-                                           Register length,
-                                           Register scratch1,
-                                           Register scratch2,
-                                           Register scratch3,
-                                           Label* gc_required) {
-  // Calculate the number of bytes needed for the characters in the string while
-  // observing object alignment.
-  DCHECK((SeqTwoByteString::kHeaderSize & kObjectAlignmentMask) == 0);
-  DCHECK(kShortSize == 2);
-  // scratch1 = length * 2 + kObjectAlignmentMask.
-  lea(scratch1, Operand(length, length, times_1, kObjectAlignmentMask));
-  and_(scratch1, Immediate(~kObjectAlignmentMask));
-
-  // Allocate two byte string in new space.
-  Allocate(SeqTwoByteString::kHeaderSize, times_1, scratch1,
-           REGISTER_VALUE_IS_INT32, result, scratch2, scratch3, gc_required,
-           NO_ALLOCATION_FLAGS);
-
-  // Set the map, length and hash field.
-  mov(FieldOperand(result, HeapObject::kMapOffset),
-      Immediate(isolate()->factory()->string_map()));
-  mov(scratch1, length);
-  SmiTag(scratch1);
-  mov(FieldOperand(result, String::kLengthOffset), scratch1);
-  mov(FieldOperand(result, String::kHashFieldOffset),
-      Immediate(String::kEmptyHashField));
-}
-
-
-void MacroAssembler::AllocateOneByteString(Register result, Register length,
-                                           Register scratch1, Register scratch2,
-                                           Register scratch3,
-                                           Label* gc_required) {
-  // Calculate the number of bytes needed for the characters in the string while
-  // observing object alignment.
-  DCHECK((SeqOneByteString::kHeaderSize & kObjectAlignmentMask) == 0);
-  mov(scratch1, length);
-  DCHECK(kCharSize == 1);
-  add(scratch1, Immediate(kObjectAlignmentMask));
-  and_(scratch1, Immediate(~kObjectAlignmentMask));
-
-  // Allocate one-byte string in new space.
-  Allocate(SeqOneByteString::kHeaderSize, times_1, scratch1,
-           REGISTER_VALUE_IS_INT32, result, scratch2, scratch3, gc_required,
-           NO_ALLOCATION_FLAGS);
-
-  // Set the map, length and hash field.
-  mov(FieldOperand(result, HeapObject::kMapOffset),
-      Immediate(isolate()->factory()->one_byte_string_map()));
-  mov(scratch1, length);
-  SmiTag(scratch1);
-  mov(FieldOperand(result, String::kLengthOffset), scratch1);
-  mov(FieldOperand(result, String::kHashFieldOffset),
-      Immediate(String::kEmptyHashField));
-}
-
-
-void MacroAssembler::AllocateOneByteString(Register result, int length,
-                                           Register scratch1, Register scratch2,
-                                           Label* gc_required) {
-  DCHECK(length > 0);
-
-  // Allocate one-byte string in new space.
-  Allocate(SeqOneByteString::SizeFor(length), result, scratch1, scratch2,
-           gc_required, NO_ALLOCATION_FLAGS);
-
-  // Set the map, length and hash field.
-  mov(FieldOperand(result, HeapObject::kMapOffset),
-      Immediate(isolate()->factory()->one_byte_string_map()));
-  mov(FieldOperand(result, String::kLengthOffset),
-      Immediate(Smi::FromInt(length)));
-  mov(FieldOperand(result, String::kHashFieldOffset),
-      Immediate(String::kEmptyHashField));
-}
-
-
-void MacroAssembler::AllocateTwoByteConsString(Register result,
-                                        Register scratch1,
-                                        Register scratch2,
-                                        Label* gc_required) {
-  // Allocate heap number in new space.
-  Allocate(ConsString::kSize, result, scratch1, scratch2, gc_required,
-           NO_ALLOCATION_FLAGS);
-
-  // Set the map. The other fields are left uninitialized.
-  mov(FieldOperand(result, HeapObject::kMapOffset),
-      Immediate(isolate()->factory()->cons_string_map()));
-}
-
-
-void MacroAssembler::AllocateOneByteConsString(Register result,
-                                               Register scratch1,
-                                               Register scratch2,
-                                               Label* gc_required) {
-  Allocate(ConsString::kSize, result, scratch1, scratch2, gc_required,
-           NO_ALLOCATION_FLAGS);
-
-  // Set the map. The other fields are left uninitialized.
-  mov(FieldOperand(result, HeapObject::kMapOffset),
-      Immediate(isolate()->factory()->cons_one_byte_string_map()));
-}
-
-
-void MacroAssembler::AllocateTwoByteSlicedString(Register result,
-                                          Register scratch1,
-                                          Register scratch2,
-                                          Label* gc_required) {
-  // Allocate heap number in new space.
-  Allocate(SlicedString::kSize, result, scratch1, scratch2, gc_required,
-           NO_ALLOCATION_FLAGS);
-
-  // Set the map. The other fields are left uninitialized.
-  mov(FieldOperand(result, HeapObject::kMapOffset),
-      Immediate(isolate()->factory()->sliced_string_map()));
-}
-
-
-void MacroAssembler::AllocateOneByteSlicedString(Register result,
-                                                 Register scratch1,
-                                                 Register scratch2,
-                                                 Label* gc_required) {
-  // Allocate heap number in new space.
-  Allocate(SlicedString::kSize, result, scratch1, scratch2, gc_required,
-           NO_ALLOCATION_FLAGS);
-
-  // Set the map. The other fields are left uninitialized.
-  mov(FieldOperand(result, HeapObject::kMapOffset),
-      Immediate(isolate()->factory()->sliced_one_byte_string_map()));
-}
-
-
 void MacroAssembler::AllocateJSValue(Register result, Register constructor,
                                      Register value, Register scratch,
                                      Label* gc_required) {
   DCHECK(!result.is(constructor));
   DCHECK(!result.is(scratch));
   DCHECK(!result.is(value));
 
   // Allocate JSValue in new space.
   Allocate(JSValue::kSize, result, scratch, no_reg, gc_required,
            NO_ALLOCATION_FLAGS);
@@ skipping 930 matching lines @@
 void MacroAssembler::LoadPowerOf2(XMMRegister dst,
                                   Register scratch,
                                   int power) {
   DCHECK(is_uintn(power + HeapNumber::kExponentBias,
                   HeapNumber::kExponentBits));
   mov(scratch, Immediate(power + HeapNumber::kExponentBias));
   movd(dst, scratch);
   psllq(dst, HeapNumber::kMantissaBits);
 }
 
-
-void MacroAssembler::JumpIfInstanceTypeIsNotSequentialOneByte(
-    Register instance_type, Register scratch, Label* failure) {
-  if (!scratch.is(instance_type)) {
-    mov(scratch, instance_type);
-  }
-  and_(scratch,
-       kIsNotStringMask | kStringRepresentationMask | kStringEncodingMask);
-  cmp(scratch, kStringTag | kSeqStringTag | kOneByteStringTag);
-  j(not_equal, failure);
-}
-
-
 void MacroAssembler::JumpIfNotBothSequentialOneByteStrings(Register object1,
                                                            Register object2,
                                                            Register scratch1,
                                                            Register scratch2,
                                                            Label* failure) {
   // Check that both objects are not smis.
   STATIC_ASSERT(kSmiTag == 0);
   mov(scratch1, object1);
   and_(scratch1, object2);
   JumpIfSmi(scratch1, failure);
@@ skipping 391 matching lines @@
   mov(eax, dividend);
   shr(eax, 31);
   add(edx, eax);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32