Revert of Remove ExternalArray, derived types, and element kinds

src/ppc/lithium-codegen-ppc.cc

Index: src/ppc/lithium-codegen-ppc.cc
diff --git a/src/ppc/lithium-codegen-ppc.cc b/src/ppc/lithium-codegen-ppc.cc
index 7bc4d00237d88ff96af4937c9bd145f5d09bd4a8..8968f2fc09de4adfd3ab3363e5db9c18295844d7 100644
--- a/src/ppc/lithium-codegen-ppc.cc
+++ b/src/ppc/lithium-codegen-ppc.cc
@@ -3293,7 +3293,10 @@
   bool key_is_smi = instr->hydrogen()->key()->representation().IsSmi();
   int base_offset = instr->base_offset();
 
-  if (elements_kind == FLOAT32_ELEMENTS || elements_kind == FLOAT64_ELEMENTS) {
+  if (elements_kind == EXTERNAL_FLOAT32_ELEMENTS ||
+      elements_kind == FLOAT32_ELEMENTS ||
+      elements_kind == EXTERNAL_FLOAT64_ELEMENTS ||
+      elements_kind == FLOAT64_ELEMENTS) {
     DoubleRegister result = ToDoubleRegister(instr->result());
     if (key_is_constant) {
       __ Add(scratch0(), external_pointer, constant_key << element_size_shift,
@@ -3302,7 +3305,8 @@
       __ IndexToArrayOffset(r0, key, element_size_shift, key_is_smi);
       __ add(scratch0(), external_pointer, r0);
     }
-    if (elements_kind == FLOAT32_ELEMENTS) {
+    if (elements_kind == EXTERNAL_FLOAT32_ELEMENTS ||
+        elements_kind == FLOAT32_ELEMENTS) {
       __ lfs(result, MemOperand(scratch0(), base_offset));
     } else {  // i.e. elements_kind == EXTERNAL_DOUBLE_ELEMENTS
       __ lfd(result, MemOperand(scratch0(), base_offset));
@@ -3313,6 +3317,7 @@
         PrepareKeyedOperand(key, external_pointer, key_is_constant, key_is_smi,
                             constant_key, element_size_shift, base_offset);
     switch (elements_kind) {
+      case EXTERNAL_INT8_ELEMENTS:
       case INT8_ELEMENTS:
         if (key_is_constant) {
           __ LoadByte(result, mem_operand, r0);
@@ -3321,6 +3326,8 @@
         }
         __ extsb(result, result);
         break;
+      case EXTERNAL_UINT8_CLAMPED_ELEMENTS:
+      case EXTERNAL_UINT8_ELEMENTS:
       case UINT8_ELEMENTS:
       case UINT8_CLAMPED_ELEMENTS:
         if (key_is_constant) {
@@ -3329,6 +3336,7 @@
           __ lbzx(result, mem_operand);
         }
         break;
+      case EXTERNAL_INT16_ELEMENTS:
       case INT16_ELEMENTS:
         if (key_is_constant) {
           __ LoadHalfWordArith(result, mem_operand, r0);
@@ -3336,6 +3344,7 @@
           __ lhax(result, mem_operand);
         }
         break;
+      case EXTERNAL_UINT16_ELEMENTS:
       case UINT16_ELEMENTS:
         if (key_is_constant) {
           __ LoadHalfWord(result, mem_operand, r0);
@@ -3343,6 +3352,7 @@
           __ lhzx(result, mem_operand);
         }
         break;
+      case EXTERNAL_INT32_ELEMENTS:
       case INT32_ELEMENTS:
         if (key_is_constant) {
           __ LoadWordArith(result, mem_operand, r0);
@@ -3350,6 +3360,7 @@
           __ lwax(result, mem_operand);
         }
         break;
+      case EXTERNAL_UINT32_ELEMENTS:
       case UINT32_ELEMENTS:
         if (key_is_constant) {
           __ LoadWord(result, mem_operand, r0);
@@ -3364,6 +3375,8 @@
         break;
       case FLOAT32_ELEMENTS:
       case FLOAT64_ELEMENTS:
+      case EXTERNAL_FLOAT32_ELEMENTS:
+      case EXTERNAL_FLOAT64_ELEMENTS:
       case FAST_HOLEY_DOUBLE_ELEMENTS:
       case FAST_HOLEY_ELEMENTS:
       case FAST_HOLEY_SMI_ELEMENTS:
@@ -3500,7 +3513,7 @@
 
 
 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);
@@ -4547,7 +4560,10 @@
   bool key_is_smi = instr->hydrogen()->key()->representation().IsSmi();
   int base_offset = instr->base_offset();
 
-  if (elements_kind == FLOAT32_ELEMENTS || elements_kind == FLOAT64_ELEMENTS) {
+  if (elements_kind == EXTERNAL_FLOAT32_ELEMENTS ||
+      elements_kind == FLOAT32_ELEMENTS ||
+      elements_kind == EXTERNAL_FLOAT64_ELEMENTS ||
+      elements_kind == FLOAT64_ELEMENTS) {
     Register address = scratch0();
     DoubleRegister value(ToDoubleRegister(instr->value()));
     if (key_is_constant) {
@@ -4561,7 +4577,8 @@
       __ IndexToArrayOffset(r0, key, element_size_shift, key_is_smi);
       __ add(address, external_pointer, r0);
     }
-    if (elements_kind == FLOAT32_ELEMENTS) {
+    if (elements_kind == EXTERNAL_FLOAT32_ELEMENTS ||
+        elements_kind == FLOAT32_ELEMENTS) {
       __ frsp(double_scratch0(), value);
       __ stfs(double_scratch0(), MemOperand(address, base_offset));
     } else {  // Storing doubles, not floats.
@@ -4573,6 +4590,9 @@
         PrepareKeyedOperand(key, external_pointer, key_is_constant, key_is_smi,
                             constant_key, element_size_shift, base_offset);
     switch (elements_kind) {
+      case EXTERNAL_UINT8_CLAMPED_ELEMENTS:
+      case EXTERNAL_INT8_ELEMENTS:
+      case EXTERNAL_UINT8_ELEMENTS:
       case UINT8_ELEMENTS:
       case UINT8_CLAMPED_ELEMENTS:
       case INT8_ELEMENTS:
@@ -4582,6 +4602,8 @@
           __ stbx(value, mem_operand);
         }
         break;
+      case EXTERNAL_INT16_ELEMENTS:
+      case EXTERNAL_UINT16_ELEMENTS:
       case INT16_ELEMENTS:
       case UINT16_ELEMENTS:
         if (key_is_constant) {
@@ -4590,6 +4612,8 @@
           __ sthx(value, mem_operand);
         }
         break;
+      case EXTERNAL_INT32_ELEMENTS:
+      case EXTERNAL_UINT32_ELEMENTS:
       case INT32_ELEMENTS:
       case UINT32_ELEMENTS:
         if (key_is_constant) {
@@ -4600,6 +4624,8 @@
         break;
       case FLOAT32_ELEMENTS:
       case FLOAT64_ELEMENTS:
+      case EXTERNAL_FLOAT32_ELEMENTS:
+      case EXTERNAL_FLOAT64_ELEMENTS:
       case FAST_DOUBLE_ELEMENTS:
       case FAST_ELEMENTS:
       case FAST_SMI_ELEMENTS:
@@ -4717,7 +4743,7 @@
 
 void LCodeGen::DoStoreKeyed(LStoreKeyed* instr) {
   // By cases: external, fast double
-  if (instr->is_fixed_typed_array()) {
+  if (instr->is_typed_elements()) {
     DoStoreKeyedExternalArray(instr);
   } else if (instr->hydrogen()->value()->representation().IsDouble()) {
     DoStoreKeyedFixedDoubleArray(instr);