[cleanup] Drop handwritten KeyedStoreIC code

src/mips/macro-assembler-mips.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.
 
 #include <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
@@ skipping 4500 matching lines @@
                                                 Register filler) {
   Label loop, entry;
   Branch(&entry);
   bind(&loop);
   sw(filler, MemOperand(current_address));
   Addu(current_address, current_address, kPointerSize);
   bind(&entry);
   Branch(&loop, ult, current_address, Operand(end_address));
 }
 
-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);
-  lbu(scratch, FieldMemOperand(map, Map::kBitField2Offset));
-  Branch(fail, ls, scratch,
-         Operand(Map::kMaximumBitField2FastHoleySmiElementValue));
-  Branch(fail, hi, scratch,
-         Operand(Map::kMaximumBitField2FastHoleyElementValue));
-}
-
-
-void MacroAssembler::CheckFastSmiElements(Register map,
-                                          Register scratch,
-                                          Label* fail) {
-  STATIC_ASSERT(FAST_SMI_ELEMENTS == 0);
-  STATIC_ASSERT(FAST_HOLEY_SMI_ELEMENTS == 1);
-  lbu(scratch, FieldMemOperand(map, Map::kBitField2Offset));
-  Branch(fail, hi, scratch,
-         Operand(Map::kMaximumBitField2FastHoleySmiElementValue));
-}
-
-
-void MacroAssembler::StoreNumberToDoubleElements(Register value_reg,
-                                                 Register key_reg,
-                                                 Register elements_reg,
-                                                 Register scratch1,
-                                                 Register scratch2,
-                                                 Register scratch3,
-                                                 Label* fail,
-                                                 int elements_offset) {
-  DCHECK(!AreAliased(value_reg, key_reg, elements_reg, scratch1, scratch2,
-                     scratch3));
-  Label smi_value, done;
-
-  // Handle smi values specially.
-  JumpIfSmi(value_reg, &smi_value);
-
-  // Ensure that the object is a heap number
-  CheckMap(value_reg,
-           scratch1,
-           Heap::kHeapNumberMapRootIndex,
-           fail,
-           DONT_DO_SMI_CHECK);
-
-  // Double value, turn potential sNaN into qNan.
-  DoubleRegister double_result = f0;
-  DoubleRegister double_scratch = f2;
-
-  ldc1(double_result, FieldMemOperand(value_reg, HeapNumber::kValueOffset));
-  Branch(USE_DELAY_SLOT, &done);  // Canonicalization is one instruction.
-  FPUCanonicalizeNaN(double_result, double_result);
-
-  bind(&smi_value);
-  Register untagged_value = scratch2;
-  SmiUntag(untagged_value, value_reg);
-  mtc1(untagged_value, double_scratch);
-  cvt_d_w(double_result, double_scratch);
-
-  bind(&done);
-  Addu(scratch1, elements_reg,
-      Operand(FixedDoubleArray::kHeaderSize - kHeapObjectTag -
-              elements_offset));
-  Lsa(scratch1, scratch1, key_reg, kDoubleSizeLog2 - kSmiTagSize);
-  // scratch1 is now effective address of the double element
-  sdc1(double_result, MemOperand(scratch1, 0));
-}
-
 void MacroAssembler::CompareMapAndBranch(Register obj,
                                          Register scratch,
                                          Handle<Map> map,
                                          Label* early_success,
                                          Condition cond,
                                          Label* branch_to) {
   lw(scratch, FieldMemOperand(obj, HeapObject::kMapOffset));
   CompareMapAndBranch(scratch, map, early_success, cond, branch_to);
 }
 
@@ skipping 994 matching lines @@
       lw(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).
     Move(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.
-  lw(scratch, NativeContextMemOperand());
-  lw(at, ContextMemOperand(scratch, Context::ArrayMapIndex(expected_kind)));
-  Branch(no_map_match, ne, map_in_out, Operand(at));
-
-  // Use the transitioned cached map.
-  lw(map_in_out,
-     ContextMemOperand(scratch, Context::ArrayMapIndex(transitioned_kind)));
-}
-
-
 void MacroAssembler::LoadNativeContextSlot(int index, Register dst) {
   lw(dst, NativeContextMemOperand());
   lw(dst, ContextMemOperand(dst, index));
 }
 
 
 void MacroAssembler::LoadGlobalFunctionInitialMap(Register function,
                                                   Register map,
                                                   Register scratch) {
   // Load the initial map. The global functions all have initial maps.
@@ skipping 311 matching lines @@
 }
 
 
 void MacroAssembler::UntagAndJumpIfSmi(Register dst,
                                        Register src,
                                        Label* smi_case) {
   JumpIfSmi(src, smi_case, at, USE_DELAY_SLOT);
   SmiUntag(dst, src);
 }
 
-
-void MacroAssembler::UntagAndJumpIfNotSmi(Register dst,
-                                          Register src,
-                                          Label* non_smi_case) {
-  JumpIfNotSmi(src, non_smi_case, at, USE_DELAY_SLOT);
-  SmiUntag(dst, src);
-}
-
 void MacroAssembler::JumpIfSmi(Register value,
                                Label* smi_label,
                                Register scratch,
                                BranchDelaySlot bd) {
   DCHECK_EQ(0, kSmiTag);
   andi(scratch, value, kSmiTagMask);
   Branch(bd, smi_label, eq, scratch, Operand(zero_reg));
 }
 
 void MacroAssembler::JumpIfNotSmi(Register value,
@@ skipping 639 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));
-  Factory* factory = isolate()->factory();
-  Register current = scratch0;
-  Label loop_again, end;
-
-  // Scratch contained elements pointer.
-  Move(current, object);
-  lw(current, FieldMemOperand(current, HeapObject::kMapOffset));
-  lw(current, FieldMemOperand(current, Map::kPrototypeOffset));
-  Branch(&end, eq, current, Operand(factory->null_value()));
-
-  // Loop based on the map going up the prototype chain.
-  bind(&loop_again);
-  lw(current, FieldMemOperand(current, HeapObject::kMapOffset));
-  lbu(scratch1, FieldMemOperand(current, Map::kInstanceTypeOffset));
-  STATIC_ASSERT(JS_VALUE_TYPE < JS_OBJECT_TYPE);
-  STATIC_ASSERT(JS_PROXY_TYPE < JS_OBJECT_TYPE);
-  Branch(found, lo, scratch1, Operand(JS_OBJECT_TYPE));
-  lb(scratch1, FieldMemOperand(current, Map::kBitField2Offset));
-  DecodeField<Map::ElementsKindBits>(scratch1);
-  Branch(found, eq, scratch1, Operand(DICTIONARY_ELEMENTS));
-  lw(current, FieldMemOperand(current, Map::kPrototypeOffset));
-  Branch(&loop_again, ne, current, Operand(factory->null_value()));
-
-  bind(&end);
-}
-
-
 bool AreAliased(Register reg1, Register reg2, Register reg3, Register reg4,
                 Register reg5, Register reg6, Register reg7, Register reg8,
                 Register reg9, Register reg10) {
   int n_of_valid_regs = reg1.is_valid() + reg2.is_valid() + reg3.is_valid() +
                         reg4.is_valid() + reg5.is_valid() + reg6.is_valid() +
                         reg7.is_valid() + reg8.is_valid() + reg9.is_valid() +
                         reg10.is_valid();
 
   RegList regs = 0;
   if (reg1.is_valid()) regs |= reg1.bit();
@@ skipping 74 matching lines @@
   if (mag.shift > 0) sra(result, result, mag.shift);
   srl(at, dividend, 31);
   Addu(result, result, Operand(at));
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS