Add all 256 shuffle methods to Float32x4

runtime/vm/intermediate_language_ia32.cc

Index: runtime/vm/intermediate_language_ia32.cc
diff --git a/runtime/vm/intermediate_language_ia32.cc b/runtime/vm/intermediate_language_ia32.cc
index 0f4e24bebf75849b0628941849bb4d45a96ae1cc..00a833e674fd83f3b2849f434421242844707233 100644
--- a/runtime/vm/intermediate_language_ia32.cc
+++ b/runtime/vm/intermediate_language_ia32.cc
@@ -3006,18 +3006,6 @@ void Float32x4ShuffleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(locs()->out().fpu_reg() == value);
 
   switch (op_kind()) {
-    case MethodRecognizer::kFloat32x4ShuffleXXXX:
-      __ shufps(value, value, Immediate(0x00));
-      break;
-    case MethodRecognizer::kFloat32x4ShuffleYYYY:
-      __ shufps(value, value, Immediate(0x55));
-      break;
-    case MethodRecognizer::kFloat32x4ShuffleZZZZ:
-      __ shufps(value, value, Immediate(0xAA));
-      break;
-    case MethodRecognizer::kFloat32x4ShuffleWWWW:
-      __ shufps(value, value, Immediate(0xFF));
-      break;
     case MethodRecognizer::kFloat32x4ShuffleX:
       __ shufps(value, value, Immediate(0x00));
       __ cvtss2sd(value, value);
@@ -3034,7 +3022,9 @@ void Float32x4ShuffleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
       __ shufps(value, value, Immediate(0xFF));
       __ cvtss2sd(value, value);
       break;
-
+    case MethodRecognizer::kFloat32x4Shuffle:
+      __ shufps(value, value, Immediate(mask_));
+      break;
     default: UNREACHABLE();
   }
 }