Revert of Remove ExternalArray, derived types, and element kinds

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 892193a3f8ba28d20603e7e1b4c5d6b47a16e74d..db2602c179c2d40eedeb1f864f38026ac21fb517 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -3070,31 +3070,40 @@
       instr->hydrogen()->key()->representation(),
       elements_kind,
       instr->base_offset()));
-  if (elements_kind == FLOAT32_ELEMENTS) {
+  if (elements_kind == EXTERNAL_FLOAT32_ELEMENTS ||
+      elements_kind == FLOAT32_ELEMENTS) {
     XMMRegister result(ToDoubleRegister(instr->result()));
     __ movss(result, operand);
     __ cvtss2sd(result, result);
-  } else if (elements_kind == FLOAT64_ELEMENTS) {
+  } else if (elements_kind == EXTERNAL_FLOAT64_ELEMENTS ||
+             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)) {
@@ -3102,6 +3111,8 @@
           DeoptimizeIf(negative, instr, Deoptimizer::kNegativeValue);
         }
         break;
+      case EXTERNAL_FLOAT32_ELEMENTS:
+      case EXTERNAL_FLOAT64_ELEMENTS:
       case FLOAT32_ELEMENTS:
       case FLOAT64_ELEMENTS:
       case FAST_SMI_ELEMENTS:
@@ -3181,7 +3192,7 @@
 
 
 void LCodeGen::DoLoadKeyed(LLoadKeyed* instr) {
-  if (instr->is_fixed_typed_array()) {
+  if (instr->is_typed_elements()) {
     DoLoadKeyedExternalArray(instr);
   } else if (instr->hydrogen()->representation().IsDouble()) {
     DoLoadKeyedFixedDoubleArray(instr);
@@ -4196,28 +4207,39 @@
       instr->hydrogen()->key()->representation(),
       elements_kind,
       instr->base_offset()));
-  if (elements_kind == FLOAT32_ELEMENTS) {
+  if (elements_kind == EXTERNAL_FLOAT32_ELEMENTS ||
+      elements_kind == FLOAT32_ELEMENTS) {
     XMMRegister xmm_scratch = double_scratch0();
     __ cvtsd2ss(xmm_scratch, ToDoubleRegister(instr->value()));
     __ movss(operand, xmm_scratch);
-  } else if (elements_kind == FLOAT64_ELEMENTS) {
+  } else if (elements_kind == EXTERNAL_FLOAT64_ELEMENTS ||
+             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:
@@ -4303,7 +4325,7 @@
 
 void LCodeGen::DoStoreKeyed(LStoreKeyed* instr) {
   // By cases...external, fast-double, fast
-  if (instr->is_fixed_typed_array()) {
+  if (instr->is_typed_elements()) {
     DoStoreKeyedExternalArray(instr);
   } else if (instr->hydrogen()->value()->representation().IsDouble()) {
     DoStoreKeyedFixedDoubleArray(instr);