Reland of "Remove ExternalArray, derived types, and element kinds"

src/ia32/lithium-codegen-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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 3050 matching lines @@
       ExternalArrayOpRequiresTemp(instr->hydrogen()->key()->representation(),
                                   elements_kind)) {
     __ SmiUntag(ToRegister(key));
   }
   Operand operand(BuildFastArrayOperand(
       instr->elements(),
       key,
       instr->hydrogen()->key()->representation(),
       elements_kind,
       instr->base_offset()));
-  if (elements_kind == EXTERNAL_FLOAT32_ELEMENTS ||
-      elements_kind == FLOAT32_ELEMENTS) {
+  if (elements_kind == FLOAT32_ELEMENTS) {
     XMMRegister result(ToDoubleRegister(instr->result()));
     __ movss(result, operand);
     __ cvtss2sd(result, result);
-  } else if (elements_kind == EXTERNAL_FLOAT64_ELEMENTS ||
-             elements_kind == FLOAT64_ELEMENTS) {
+  } else if (elements_kind == FLOAT64_ELEMENTS) {
     __ movsd(ToDoubleRegister(instr->result()), operand);
   } else {
     Register result(ToRegister(instr->result()));
     switch (elements_kind) {
-      case EXTERNAL_INT8_ELEMENTS:
       case INT8_ELEMENTS:
         __ movsx_b(result, operand);
         break;
-      case EXTERNAL_UINT8_CLAMPED_ELEMENTS:
-      case EXTERNAL_UINT8_ELEMENTS:
       case UINT8_ELEMENTS:
       case UINT8_CLAMPED_ELEMENTS:
         __ movzx_b(result, operand);
         break;
-      case EXTERNAL_INT16_ELEMENTS:
       case INT16_ELEMENTS:
         __ movsx_w(result, operand);
         break;
-      case EXTERNAL_UINT16_ELEMENTS:
       case UINT16_ELEMENTS:
         __ movzx_w(result, operand);
         break;
-      case EXTERNAL_INT32_ELEMENTS:
       case INT32_ELEMENTS:
         __ mov(result, operand);
         break;
-      case EXTERNAL_UINT32_ELEMENTS:
       case UINT32_ELEMENTS:
         __ mov(result, operand);
         if (!instr->hydrogen()->CheckFlag(HInstruction::kUint32)) {
           __ test(result, Operand(result));
           DeoptimizeIf(negative, instr, Deoptimizer::kNegativeValue);
         }
         break;
-      case EXTERNAL_FLOAT32_ELEMENTS:
-      case EXTERNAL_FLOAT64_ELEMENTS:
       case FLOAT32_ELEMENTS:
       case FLOAT64_ELEMENTS:
       case FAST_SMI_ELEMENTS:
       case FAST_ELEMENTS:
       case FAST_DOUBLE_ELEMENTS:
       case FAST_HOLEY_SMI_ELEMENTS:
       case FAST_HOLEY_ELEMENTS:
       case FAST_HOLEY_DOUBLE_ELEMENTS:
       case DICTIONARY_ELEMENTS:
       case FAST_SLOPPY_ARGUMENTS_ELEMENTS:
@@ skipping 59 matching lines @@
              Immediate(Smi::FromInt(Isolate::kArrayProtectorValid)));
       DeoptimizeIf(not_equal, instr, Deoptimizer::kHole);
     }
     __ mov(result, isolate()->factory()->undefined_value());
     __ bind(&done);
   }
 }
 
 
 void LCodeGen::DoLoadKeyed(LLoadKeyed* instr) {
-  if (instr->is_typed_elements()) {
+  if (instr->is_fixed_typed_array()) {
     DoLoadKeyedExternalArray(instr);
   } else if (instr->hydrogen()->representation().IsDouble()) {
     DoLoadKeyedFixedDoubleArray(instr);
   } else {
     DoLoadKeyedFixedArray(instr);
   }
 }
 
 
 Operand LCodeGen::BuildFastArrayOperand(
@@ skipping 992 matching lines @@
       ExternalArrayOpRequiresTemp(instr->hydrogen()->key()->representation(),
                                   elements_kind)) {
     __ SmiUntag(ToRegister(key));
   }
   Operand operand(BuildFastArrayOperand(
       instr->elements(),
       key,
       instr->hydrogen()->key()->representation(),
       elements_kind,
       instr->base_offset()));
-  if (elements_kind == EXTERNAL_FLOAT32_ELEMENTS ||
-      elements_kind == FLOAT32_ELEMENTS) {
+  if (elements_kind == FLOAT32_ELEMENTS) {
     XMMRegister xmm_scratch = double_scratch0();
     __ cvtsd2ss(xmm_scratch, ToDoubleRegister(instr->value()));
     __ movss(operand, xmm_scratch);
-  } else if (elements_kind == EXTERNAL_FLOAT64_ELEMENTS ||
-             elements_kind == FLOAT64_ELEMENTS) {
+  } else if (elements_kind == FLOAT64_ELEMENTS) {
     __ movsd(operand, ToDoubleRegister(instr->value()));
   } else {
     Register value = ToRegister(instr->value());
     switch (elements_kind) {
-      case EXTERNAL_UINT8_CLAMPED_ELEMENTS:
-      case EXTERNAL_UINT8_ELEMENTS:
-      case EXTERNAL_INT8_ELEMENTS:
       case UINT8_ELEMENTS:
       case INT8_ELEMENTS:
       case UINT8_CLAMPED_ELEMENTS:
         __ mov_b(operand, value);
         break;
-      case EXTERNAL_INT16_ELEMENTS:
-      case EXTERNAL_UINT16_ELEMENTS:
       case UINT16_ELEMENTS:
       case INT16_ELEMENTS:
         __ mov_w(operand, value);
         break;
-      case EXTERNAL_INT32_ELEMENTS:
-      case EXTERNAL_UINT32_ELEMENTS:
       case UINT32_ELEMENTS:
       case INT32_ELEMENTS:
         __ mov(operand, value);
         break;
-      case EXTERNAL_FLOAT32_ELEMENTS:
-      case EXTERNAL_FLOAT64_ELEMENTS:
       case FLOAT32_ELEMENTS:
       case FLOAT64_ELEMENTS:
       case FAST_SMI_ELEMENTS:
       case FAST_ELEMENTS:
       case FAST_DOUBLE_ELEMENTS:
       case FAST_HOLEY_SMI_ELEMENTS:
       case FAST_HOLEY_ELEMENTS:
       case FAST_HOLEY_DOUBLE_ELEMENTS:
       case DICTIONARY_ELEMENTS:
       case FAST_SLOPPY_ARGUMENTS_ELEMENTS:
@@ skipping 65 matching lines @@
                    kSaveFPRegs,
                    EMIT_REMEMBERED_SET,
                    check_needed,
                    instr->hydrogen()->PointersToHereCheckForValue());
   }
 }
 
 
 void LCodeGen::DoStoreKeyed(LStoreKeyed* instr) {
   // By cases...external, fast-double, fast
-  if (instr->is_typed_elements()) {
+  if (instr->is_fixed_typed_array()) {
     DoStoreKeyedExternalArray(instr);
   } else if (instr->hydrogen()->value()->representation().IsDouble()) {
     DoStoreKeyedFixedDoubleArray(instr);
   } else {
     DoStoreKeyedFixedArray(instr);
   }
 }
 
 
 void LCodeGen::DoStoreKeyedGeneric(LStoreKeyedGeneric* instr) {
@@ skipping 1530 matching lines @@
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32