Remove SIMD.js from V8.

src/crankshaft/arm64/lithium-codegen-arm64.cc

Index: src/crankshaft/arm64/lithium-codegen-arm64.cc
diff --git a/src/crankshaft/arm64/lithium-codegen-arm64.cc b/src/crankshaft/arm64/lithium-codegen-arm64.cc
index 99b6fd51dc0a18577f92202271665fa03420f1db..179d71ca9b4e8f3f7ebcd2ea007ebe66ece7a8b2 100644
--- a/src/crankshaft/arm64/lithium-codegen-arm64.cc
+++ b/src/crankshaft/arm64/lithium-codegen-arm64.cc
@@ -1865,12 +1865,6 @@ void LCodeGen::DoBranch(LBranch* instr) {
         __ B(eq, true_label);
       }
 
-      if (expected & ToBooleanHint::kSimdValue) {
-        // SIMD value -> true.
-        __ CompareInstanceType(map, scratch, SIMD128_VALUE_TYPE);
-        __ B(eq, true_label);
-      }
-
       if (expected & ToBooleanHint::kHeapNumber) {
         Label not_heap_number;
         __ JumpIfNotRoot(map, Heap::kHeapNumberMapRootIndex, &not_heap_number);
@@ -5452,20 +5446,6 @@ void LCodeGen::DoTypeofIsAndBranch(LTypeofIsAndBranch* instr) {
     EmitTestAndBranch(instr, eq, scratch,
                       (1 << Map::kIsCallable) | (1 << Map::kIsUndetectable));
 
-// clang-format off
-#define SIMD128_TYPE(TYPE, Type, type, lane_count, lane_type)       \
-  } else if (String::Equals(type_name, factory->type##_string())) { \
-    DCHECK((instr->temp1() != NULL) && (instr->temp2() != NULL));   \
-    Register map = ToRegister(instr->temp1());                      \
-                                                                    \
-    __ JumpIfSmi(value, false_label);                               \
-    __ Ldr(map, FieldMemOperand(value, HeapObject::kMapOffset));    \
-    __ CompareRoot(map, Heap::k##Type##MapRootIndex);               \
-    EmitBranch(instr, eq);
-  SIMD128_TYPES(SIMD128_TYPE)
-#undef SIMD128_TYPE
-    // clang-format on
-
   } else {
     __ B(false_label);
   }