[cleanup] Drop handwritten KeyedStoreIC code

src/s390/macro-assembler-s390.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 <assert.h>  // For assert
 #include <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #if V8_TARGET_ARCH_S390
 
 #include "src/base/bits.h"
@@ skipping 1938 matching lines @@
   STATIC_ASSERT(Map::kInstanceTypeOffset < 4096);
   STATIC_ASSERT(LAST_TYPE < 256);
   LoadlB(type_reg, FieldMemOperand(map, Map::kInstanceTypeOffset));
   CmpP(type_reg, Operand(type));
 }
 
 void MacroAssembler::CompareRoot(Register obj, Heap::RootListIndex index) {
   CmpP(obj, MemOperand(kRootRegister, index << kPointerSizeLog2));
 }
 
-void MacroAssembler::CheckFastObjectElements(Register map, Register scratch,
-                                             Label* fail) {
-  STATIC_ASSERT(FAST_SMI_ELEMENTS == 0);
-  STATIC_ASSERT(FAST_HOLEY_SMI_ELEMENTS == 1);
-  STATIC_ASSERT(FAST_ELEMENTS == 2);
-  STATIC_ASSERT(FAST_HOLEY_ELEMENTS == 3);
-  CmpLogicalByte(FieldMemOperand(map, Map::kBitField2Offset),
-                 Operand(Map::kMaximumBitField2FastHoleySmiElementValue));
-  ble(fail);
-  CmpLogicalByte(FieldMemOperand(map, Map::kBitField2Offset),
-                 Operand(Map::kMaximumBitField2FastHoleyElementValue));
-  bgt(fail);
-}
-
-void MacroAssembler::CheckFastSmiElements(Register map, Register scratch,
-                                          Label* fail) {
-  STATIC_ASSERT(FAST_SMI_ELEMENTS == 0);
-  STATIC_ASSERT(FAST_HOLEY_SMI_ELEMENTS == 1);
-  CmpLogicalByte(FieldMemOperand(map, Map::kBitField2Offset),
-                 Operand(Map::kMaximumBitField2FastHoleySmiElementValue));
-  bgt(fail);
-}
-
 void MacroAssembler::SmiToDouble(DoubleRegister value, Register smi) {
   SmiUntag(ip, smi);
   ConvertIntToDouble(ip, value);
 }
-void MacroAssembler::StoreNumberToDoubleElements(
-    Register value_reg, Register key_reg, Register elements_reg,
-    Register scratch1, DoubleRegister double_scratch, Label* fail,
-    int elements_offset) {
-  DCHECK(!AreAliased(value_reg, key_reg, elements_reg, scratch1));
-  Label smi_value, store;
-
-  // Handle smi values specially.
-  JumpIfSmi(value_reg, &smi_value);
-
-  // Ensure that the object is a heap number
-  CheckMap(value_reg, scratch1, isolate()->factory()->heap_number_map(), fail,
-           DONT_DO_SMI_CHECK);
-
-  LoadDouble(double_scratch,
-             FieldMemOperand(value_reg, HeapNumber::kValueOffset));
-  // Force a canonical NaN.
-  CanonicalizeNaN(double_scratch);
-  b(&store);
-
-  bind(&smi_value);
-  SmiToDouble(double_scratch, value_reg);
-
-  bind(&store);
-  SmiToDoubleArrayOffset(scratch1, key_reg);
-  StoreDouble(double_scratch,
-              FieldMemOperand(elements_reg, scratch1,
-                              FixedDoubleArray::kHeaderSize - elements_offset));
-}
 
 void MacroAssembler::CompareMap(Register obj, Register scratch, Handle<Map> map,
                                 Label* early_success) {
   LoadP(scratch, FieldMemOperand(obj, HeapObject::kMapOffset));
   CompareMap(obj, map, early_success);
 }
 
 void MacroAssembler::CompareMap(Register obj_map, Handle<Map> map,
                                 Label* early_success) {
   mov(r0, Operand(map));
@@ skipping 459 matching lines @@
       LoadP(dst, MemOperand(dst, Context::SlotOffset(Context::PREVIOUS_INDEX)));
     }
   } else {
     // Slot is in the current function context.  Move it into the
     // destination register in case we store into it (the write barrier
     // cannot be allowed to destroy the context in esi).
     LoadRR(dst, cp);
   }
 }
 
-void MacroAssembler::LoadTransitionedArrayMapConditional(
-    ElementsKind expected_kind, ElementsKind transitioned_kind,
-    Register map_in_out, Register scratch, Label* no_map_match) {
-  DCHECK(IsFastElementsKind(expected_kind));
-  DCHECK(IsFastElementsKind(transitioned_kind));
-
-  // Check that the function's map is the same as the expected cached map.
-  LoadP(scratch, NativeContextMemOperand());
-  LoadP(ip, ContextMemOperand(scratch, Context::ArrayMapIndex(expected_kind)));
-  CmpP(map_in_out, ip);
-  bne(no_map_match);
-
-  // Use the transitioned cached map.
-  LoadP(map_in_out,
-        ContextMemOperand(scratch, Context::ArrayMapIndex(transitioned_kind)));
-}
-
 void MacroAssembler::LoadNativeContextSlot(int index, Register dst) {
   LoadP(dst, NativeContextMemOperand());
   LoadP(dst, ContextMemOperand(dst, index));
 }
 
 void MacroAssembler::LoadGlobalFunctionInitialMap(Register function,
                                                   Register map,
                                                   Register scratch) {
   // Load the initial map. The global functions all have initial maps.
   LoadP(map,
@@ skipping 64 matching lines @@
                                        Label* smi_case) {
   STATIC_ASSERT(kSmiTag == 0);
   STATIC_ASSERT(kSmiTagSize == 1);
   // this won't work if src == dst
   DCHECK(src.code() != dst.code());
   SmiUntag(dst, src);
   TestIfSmi(src);
   beq(smi_case);
 }
 
-void MacroAssembler::UntagAndJumpIfNotSmi(Register dst, Register src,
-                                          Label* non_smi_case) {
-  STATIC_ASSERT(kSmiTag == 0);
-  STATIC_ASSERT(kSmiTagSize == 1);
-
-  // We can more optimally use TestIfSmi if dst != src
-  // otherwise, the UnTag operation will kill the CC and we cannot
-  // test the Tag bit.
-  if (src.code() != dst.code()) {
-    SmiUntag(dst, src);
-    TestIfSmi(src);
-  } else {
-    TestBit(src, 0, r0);
-    SmiUntag(dst, src);
-    LoadAndTestRR(r0, r0);
-  }
-  bne(non_smi_case);
-}
-
 void MacroAssembler::JumpIfEitherSmi(Register reg1, Register reg2,
                                      Label* on_either_smi) {
   STATIC_ASSERT(kSmiTag == 0);
   JumpIfSmi(reg1, on_either_smi);
   JumpIfSmi(reg2, on_either_smi);
 }
 
 void MacroAssembler::AssertNotNumber(Register object) {
   if (emit_debug_code()) {
     STATIC_ASSERT(kSmiTag == 0);
@@ skipping 782 matching lines @@
   for (int i = 0; i < config->num_allocatable_general_registers(); ++i) {
     int code = config->GetAllocatableGeneralCode(i);
     Register candidate = Register::from_code(code);
     if (regs & candidate.bit()) continue;
     return candidate;
   }
   UNREACHABLE();
   return no_reg;
 }
 
-void MacroAssembler::JumpIfDictionaryInPrototypeChain(Register object,
-                                                      Register scratch0,
-                                                      Register scratch1,
-                                                      Label* found) {
-  DCHECK(!scratch1.is(scratch0));
-  Register current = scratch0;
-  Label loop_again, end;
-
-  // scratch contained elements pointer.
-  LoadRR(current, object);
-  LoadP(current, FieldMemOperand(current, HeapObject::kMapOffset));
-  LoadP(current, FieldMemOperand(current, Map::kPrototypeOffset));
-  CompareRoot(current, Heap::kNullValueRootIndex);
-  beq(&end);
-
-  // Loop based on the map going up the prototype chain.
-  bind(&loop_again);
-  LoadP(current, FieldMemOperand(current, HeapObject::kMapOffset));
-
-  STATIC_ASSERT(JS_PROXY_TYPE < JS_OBJECT_TYPE);
-  STATIC_ASSERT(JS_VALUE_TYPE < JS_OBJECT_TYPE);
-  LoadlB(scratch1, FieldMemOperand(current, Map::kInstanceTypeOffset));
-  CmpP(scratch1, Operand(JS_OBJECT_TYPE));
-  blt(found);
-
-  LoadlB(scratch1, FieldMemOperand(current, Map::kBitField2Offset));
-  DecodeField<Map::ElementsKindBits>(scratch1);
-  CmpP(scratch1, Operand(DICTIONARY_ELEMENTS));
-  beq(found);
-  LoadP(current, FieldMemOperand(current, Map::kPrototypeOffset));
-  CompareRoot(current, Heap::kNullValueRootIndex);
-  bne(&loop_again);
-
-  bind(&end);
-}
-
 void MacroAssembler::mov(Register dst, const Operand& src) {
   if (src.rmode_ != kRelocInfo_NONEPTR) {
     // some form of relocation needed
     RecordRelocInfo(src.rmode_, src.imm_);
   }
 
 #if V8_TARGET_ARCH_S390X
   int64_t value = src.immediate();
   int32_t hi_32 = static_cast<int64_t>(value) >> 32;
   int32_t lo_32 = static_cast<int32_t>(value);
@@ skipping 1845 matching lines @@
   }
   if (mag.shift > 0) ShiftRightArith(result, result, Operand(mag.shift));
   ExtractBit(r0, dividend, 31);
   AddP(result, r0);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_S390