[simd.js] Single SIMD128_VALUE_TYPE for all Simd128Values.

src/x64/lithium-codegen-x64.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"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 2197 matching lines @@
       }
 
       if (expected.Contains(ToBooleanStub::SYMBOL)) {
         // Symbol value -> true.
         __ CmpInstanceType(map, SYMBOL_TYPE);
         __ j(equal, instr->TrueLabel(chunk_));
       }
 
       if (expected.Contains(ToBooleanStub::SIMD_VALUE)) {
         // SIMD value -> true.
-        Label not_simd;
-        __ CmpInstanceType(map, FIRST_SIMD_VALUE_TYPE);
-        __ j(less, &not_simd, Label::kNear);
-        __ CmpInstanceType(map, LAST_SIMD_VALUE_TYPE);
-        __ j(less_equal, instr->TrueLabel(chunk_));
-        __ bind(&not_simd);
+        __ CmpInstanceType(map, SIMD128_VALUE_TYPE);
+        __ j(equal, instr->TrueLabel(chunk_));
       }
 
       if (expected.Contains(ToBooleanStub::HEAP_NUMBER)) {
         // heap number -> false iff +0, -0, or NaN.
         Label not_heap_number;
         __ CompareRoot(map, Heap::kHeapNumberMapRootIndex);
         __ j(not_equal, &not_heap_number, Label::kNear);
         XMMRegister xmm_scratch = double_scratch0();
         __ xorps(xmm_scratch, xmm_scratch);
         __ ucomisd(xmm_scratch, FieldOperand(reg, HeapNumber::kValueOffset));
@@ skipping 3507 matching lines @@
     __ j(equal, true_label, true_distance);
     __ CmpObjectType(input, FIRST_NONCALLABLE_SPEC_OBJECT_TYPE, input);
     __ j(below, false_label, false_distance);
     __ CmpInstanceType(input, LAST_NONCALLABLE_SPEC_OBJECT_TYPE);
     __ j(above, false_label, false_distance);
     // Check for undetectable objects => false.
     __ testb(FieldOperand(input, Map::kBitFieldOffset),
              Immediate(1 << Map::kIsUndetectable));
     final_branch_condition = zero;
 
-  } else if (String::Equals(type_name, factory->float32x4_string())) {
-    __ JumpIfSmi(input, false_label, false_distance);
-    __ CmpObjectType(input, FLOAT32X4_TYPE, input);
+// clang-format off
+#define SIMD128_TYPE(TYPE, Type, type, lane_count, lane_type)       \
+  } else if (String::Equals(type_name, factory->type##_string())) { \
+    __ JumpIfSmi(input, false_label, false_distance);               \
+    __ movp(input, FieldOperand(input, HeapObject::kMapOffset));    \
+    __ CompareRoot(input, Heap::k##Type##MapRootIndex);             \
     final_branch_condition = equal;
-
-  } else if (String::Equals(type_name, factory->int32x4_string())) {
-    __ JumpIfSmi(input, false_label, false_distance);
-    __ CmpObjectType(input, INT32X4_TYPE, input);
-    final_branch_condition = equal;
-
-  } else if (String::Equals(type_name, factory->bool32x4_string())) {
-    __ JumpIfSmi(input, false_label, false_distance);
-    __ CmpObjectType(input, BOOL32X4_TYPE, input);
-    final_branch_condition = equal;
-
-  } else if (String::Equals(type_name, factory->int16x8_string())) {
-    __ JumpIfSmi(input, false_label, false_distance);
-    __ CmpObjectType(input, INT16X8_TYPE, input);
-    final_branch_condition = equal;
-
-  } else if (String::Equals(type_name, factory->bool16x8_string())) {
-    __ JumpIfSmi(input, false_label, false_distance);
-    __ CmpObjectType(input, BOOL16X8_TYPE, input);
-    final_branch_condition = equal;
-
-  } else if (String::Equals(type_name, factory->int8x16_string())) {
-    __ JumpIfSmi(input, false_label, false_distance);
-    __ CmpObjectType(input, INT8X16_TYPE, input);
-    final_branch_condition = equal;
-
-  } else if (String::Equals(type_name, factory->bool8x16_string())) {
-    __ JumpIfSmi(input, false_label, false_distance);
-    __ CmpObjectType(input, BOOL8X16_TYPE, input);
-    final_branch_condition = equal;
+  SIMD128_TYPES(SIMD128_TYPE)
+#undef SIMD128_TYPE
+    // clang-format on
 
   } else {
     __ jmp(false_label, false_distance);
   }
 
   return final_branch_condition;
 }
 
 
 void LCodeGen::DoIsConstructCallAndBranch(LIsConstructCallAndBranch* instr) {
@@ skipping 285 matching lines @@
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64