Revert of Add several SIMD opcodes to IA32

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index d7b4ac7a038ea9af6fc5829daec256b63ca4d88d..906c369172086454690cf6b6d612ff8204d3bc8a 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -2270,18 +2270,19 @@
     movd(dst, src);
     return;
   }
+  DCHECK_EQ(1, imm8);
   if (CpuFeatures::IsSupported(SSE4_1)) {
     CpuFeatureScope sse_scope(this, SSE4_1);
     pextrd(dst, src, imm8);
     return;
   }
-  DCHECK_LT(imm8, 4);
-  pshufd(xmm0, src, imm8);
+  pshufd(xmm0, src, 1);
   movd(dst, xmm0);
 }
 
 
 void MacroAssembler::Pinsrd(XMMRegister dst, const Operand& src, int8_t imm8) {
+  DCHECK(imm8 == 0 || imm8 == 1);
   if (CpuFeatures::IsSupported(SSE4_1)) {
     CpuFeatureScope sse_scope(this, SSE4_1);
     pinsrd(dst, src, imm8);