Revert of Add several SIMD opcodes to IA32

src/compiler/ia32/instruction-selector-ia32.cc

Index: src/compiler/ia32/instruction-selector-ia32.cc
diff --git a/src/compiler/ia32/instruction-selector-ia32.cc b/src/compiler/ia32/instruction-selector-ia32.cc
index 9b9f9ecb5204afe5ef862e4a900150f7ec56456b..a5f72c70b230320108f454b9fd62fa654d51467f 100644
--- a/src/compiler/ia32/instruction-selector-ia32.cc
+++ b/src/compiler/ia32/instruction-selector-ia32.cc
@@ -873,9 +873,7 @@
   V(Float32Mul, kAVXFloat32Mul, kSSEFloat32Mul) \
   V(Float64Mul, kAVXFloat64Mul, kSSEFloat64Mul) \
   V(Float32Div, kAVXFloat32Div, kSSEFloat32Div) \
-  V(Float64Div, kAVXFloat64Div, kSSEFloat64Div) \
-  V(Int32x4Add, kAVXInt32x4Add, kSSEInt32x4Add) \
-  V(Int32x4Sub, kAVXInt32x4Sub, kSSEInt32x4Sub)
+  V(Float64Div, kAVXFloat64Div, kSSEFloat64Div)
 
 #define FLOAT_UNOP_LIST(V)                      \
   V(Float32Abs, kAVXFloat32Abs, kSSEFloat32Abs) \
@@ -1718,25 +1716,6 @@
   Emit(code, 0, nullptr, input_count, inputs);
 }
 
-void InstructionSelector::VisitInt32x4Splat(Node* node) {
-  VisitRO(this, node, kIA32Int32x4Splat);
-}
-
-void InstructionSelector::VisitInt32x4ExtractLane(Node* node) {
-  IA32OperandGenerator g(this);
-  int32_t lane = OpParameter<int32_t>(node);
-  Emit(kIA32Int32x4ExtractLane, g.DefineAsRegister(node),
-       g.UseRegister(node->InputAt(0)), g.UseImmediate(lane));
-}
-
-void InstructionSelector::VisitInt32x4ReplaceLane(Node* node) {
-  IA32OperandGenerator g(this);
-  int32_t lane = OpParameter<int32_t>(node);
-  Emit(kIA32Int32x4ReplaceLane, g.DefineSameAsFirst(node),
-       g.UseRegister(node->InputAt(0)), g.UseImmediate(lane),
-       g.Use(node->InputAt(1)));
-}
-
 // static
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {