Revert of Expose SIMD.Float32x4 type to Javascript.

src/x87/lithium-codegen-x87.cc

Index: src/x87/lithium-codegen-x87.cc
diff --git a/src/x87/lithium-codegen-x87.cc b/src/x87/lithium-codegen-x87.cc
index a77771d1962bd257673d645e5b2b212754df13a9..9c6798b136f8fa100f308df08eb2c6961353cf31 100644
--- a/src/x87/lithium-codegen-x87.cc
+++ b/src/x87/lithium-codegen-x87.cc
@@ -2431,12 +2431,6 @@
       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.
-        __ CmpInstanceType(map, FLOAT32X4_TYPE);
         __ j(equal, instr->TrueLabel(chunk_));
       }
 
@@ -6127,11 +6121,6 @@
               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);
-    final_branch_condition = equal;
-
   } else {
     __ jmp(false_label, false_distance);
   }