[cleanup] Drop unused Allocate*String MacroAssembler instructions

src/mips64/macro-assembler-mips64.cc

Index: src/mips64/macro-assembler-mips64.cc
diff --git a/src/mips64/macro-assembler-mips64.cc b/src/mips64/macro-assembler-mips64.cc
index 54b40b3fe05485a7258d0bdf439011808b7d68aa..1bc571ee8a62b5b6286afb9ffc5ea4ced059264f 100644
--- a/src/mips64/macro-assembler-mips64.cc
+++ b/src/mips64/macro-assembler-mips64.cc
@@ -4292,111 +4292,6 @@ void MacroAssembler::FastAllocate(Register object_size, Register result,
   Daddu(result, result, Operand(kHeapObjectTag));
 }
 
-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);
-  dsll(scratch1, length, 1);  // Length in bytes, not chars.
-  daddiu(scratch1, scratch1,
-       kObjectAlignmentMask + SeqTwoByteString::kHeaderSize);
-  And(scratch1, scratch1, Operand(~kObjectAlignmentMask));
-
-  // Allocate two-byte string in new space.
-  Allocate(scratch1, result, scratch2, scratch3, gc_required,
-           NO_ALLOCATION_FLAGS);
-
-  // Set the map, length and hash field.
-  InitializeNewString(result,
-                      length,
-                      Heap::kStringMapRootIndex,
-                      scratch1,
-                      scratch2);
-}
-
-
-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);
-  DCHECK(kCharSize == 1);
-  daddiu(scratch1, length,
-      kObjectAlignmentMask + SeqOneByteString::kHeaderSize);
-  And(scratch1, scratch1, Operand(~kObjectAlignmentMask));
-
-  // Allocate one-byte string in new space.
-  Allocate(scratch1, result, scratch2, scratch3, gc_required,
-           NO_ALLOCATION_FLAGS);
-
-  // Set the map, length and hash field.
-  InitializeNewString(result, length, Heap::kOneByteStringMapRootIndex,
-                      scratch1, scratch2);
-}
-
-
-void MacroAssembler::AllocateTwoByteConsString(Register result,
-                                               Register length,
-                                               Register scratch1,
-                                               Register scratch2,
-                                               Label* gc_required) {
-  Allocate(ConsString::kSize, result, scratch1, scratch2, gc_required,
-           NO_ALLOCATION_FLAGS);
-  InitializeNewString(result,
-                      length,
-                      Heap::kConsStringMapRootIndex,
-                      scratch1,
-                      scratch2);
-}
-
-
-void MacroAssembler::AllocateOneByteConsString(Register result, Register length,
-                                               Register scratch1,
-                                               Register scratch2,
-                                               Label* gc_required) {
-  Allocate(ConsString::kSize, result, scratch1, scratch2, gc_required,
-           NO_ALLOCATION_FLAGS);
-
-  InitializeNewString(result, length, Heap::kConsOneByteStringMapRootIndex,
-                      scratch1, scratch2);
-}
-
-
-void MacroAssembler::AllocateTwoByteSlicedString(Register result,
-                                                 Register length,
-                                                 Register scratch1,
-                                                 Register scratch2,
-                                                 Label* gc_required) {
-  Allocate(SlicedString::kSize, result, scratch1, scratch2, gc_required,
-           NO_ALLOCATION_FLAGS);
-
-  InitializeNewString(result,
-                      length,
-                      Heap::kSlicedStringMapRootIndex,
-                      scratch1,
-                      scratch2);
-}
-
-
-void MacroAssembler::AllocateOneByteSlicedString(Register result,
-                                                 Register length,
-                                                 Register scratch1,
-                                                 Register scratch2,
-                                                 Label* gc_required) {
-  Allocate(SlicedString::kSize, result, scratch1, scratch2, gc_required,
-           NO_ALLOCATION_FLAGS);
-
-  InitializeNewString(result, length, Heap::kSlicedOneByteStringMapRootIndex,
-                      scratch1, scratch2);
-}
-
-
 void MacroAssembler::JumpIfNotUniqueNameInstanceType(Register reg,
                                                      Label* not_unique_name) {
   STATIC_ASSERT(kInternalizedTag == 0 && kStringTag == 0);
@@ -6488,18 +6383,6 @@ void MacroAssembler::JumpIfBothInstanceTypesAreNotSequentialOneByte(
   Branch(failure, ne, scratch2, Operand(kFlatOneByteStringTag));
 }
 
-
-void MacroAssembler::JumpIfInstanceTypeIsNotSequentialOneByte(Register type,
-                                                              Register scratch,
-                                                              Label* failure) {
-  const int kFlatOneByteStringMask =
-      kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask;
-  const int kFlatOneByteStringTag =
-      kStringTag | kOneByteStringTag | kSeqStringTag;
-  And(scratch, type, Operand(kFlatOneByteStringMask));
-  Branch(failure, ne, scratch, Operand(kFlatOneByteStringTag));
-}
-
 static const int kRegisterPassedArguments = 8;
 
 int MacroAssembler::CalculateStackPassedWords(int num_reg_arguments,