Expose SIMD.Float32x4 type to Javascript.

src/arm64/lithium-codegen-arm64.cc

 // Copyright 2013 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"
 
 #include "src/arm64/lithium-codegen-arm64.h"
 #include "src/arm64/lithium-gap-resolver-arm64.h"
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 1908 matching lines @@
         __ B(true_label);
         __ Bind(&not_string);
       }
 
       if (expected.Contains(ToBooleanStub::SYMBOL)) {
         // Symbol value -> true.
         __ CompareInstanceType(map, scratch, SYMBOL_TYPE);
         __ B(eq, true_label);
       }
 
+      if (expected.Contains(ToBooleanStub::SIMD_VALUE)) {
+        // SIMD value -> true.
+        __ CompareInstanceType(map, scratch, FLOAT32X4_TYPE);
+        __ B(eq, true_label);
+      }
+
       if (expected.Contains(ToBooleanStub::HEAP_NUMBER)) {
         Label not_heap_number;
         __ JumpIfNotRoot(map, Heap::kHeapNumberMapRootIndex, &not_heap_number);
 
         __ Ldr(double_scratch(),
                FieldMemOperand(value, HeapNumber::kValueOffset));
         __ Fcmp(double_scratch(), 0.0);
         // If we got a NaN (overflow bit is set), jump to the false branch.
         __ B(vs, false_label);
         __ B(eq, false_label);
@@ skipping 4016 matching lines @@
     __ JumpIfSmi(value, false_label);
     __ JumpIfRoot(value, Heap::kNullValueRootIndex, true_label);
     __ JumpIfObjectType(value, map, scratch,
                         FIRST_NONCALLABLE_SPEC_OBJECT_TYPE, false_label, lt);
     __ CompareInstanceType(map, scratch, LAST_NONCALLABLE_SPEC_OBJECT_TYPE);
     __ B(gt, false_label);
     // Check for undetectable objects => false.
     __ Ldrb(scratch, FieldMemOperand(map, Map::kBitFieldOffset));
     EmitTestAndBranch(instr, eq, scratch, 1 << Map::kIsUndetectable);
 
+  } else if (String::Equals(type_name, factory->float32x4_string())) {
+    DCHECK((instr->temp1() != NULL) && (instr->temp2() != NULL));
+    Register map = ToRegister(instr->temp1());
+    Register scratch = ToRegister(instr->temp2());
+
+    __ JumpIfSmi(value, false_label);
+    __ CompareObjectType(value, map, scratch, FLOAT32X4_TYPE);
+    EmitBranch(instr, eq);
+
   } else {
     __ B(false_label);
   }
 }
 
 
 void LCodeGen::DoUint32ToDouble(LUint32ToDouble* instr) {
   __ Ucvtf(ToDoubleRegister(instr->result()), ToRegister32(instr->value()));
 }
 
@@ skipping 141 matching lines @@
   Handle<ScopeInfo> scope_info = instr->scope_info();
   __ Push(scope_info);
   __ Push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 }  // namespace internal
 }  // namespace v8