[Turbofan] Add other integer SIMD types, add more integer ops.

src/compiler/common-operator.h

Index: src/compiler/common-operator.h
diff --git a/src/compiler/common-operator.h b/src/compiler/common-operator.h
index 5d0a6df31da115b088776bc4e6be4fd4d18a5f35..4f8b3beb81ddc5ebf4e5eb562b820138a31b5584 100644
--- a/src/compiler/common-operator.h
+++ b/src/compiler/common-operator.h
@@ -387,10 +387,14 @@ class V8_EXPORT_PRIVATE CommonOperatorBuilder final
   const Operator* ResizeMergeOrPhi(const Operator* op, int size);
 
   // Simd Operators
-  const Operator* Int32x4ExtractLane(int32_t);
-  const Operator* Int32x4ReplaceLane(int32_t);
   const Operator* Float32x4ExtractLane(int32_t);

[titzer, 2017/01/25 09:47:25]

Can we move all of these operators to the machine operator builder? 

[bbudge, 2017/01/26 02:04:43]

Moved to MachineOperatorBuilder, and added to cache.

   const Operator* Float32x4ReplaceLane(int32_t);
+  const Operator* Int32x4ExtractLane(int32_t);
+  const Operator* Int32x4ReplaceLane(int32_t);
+  const Operator* Int16x8ExtractLane(int32_t);
+  const Operator* Int16x8ReplaceLane(int32_t);
+  const Operator* Int8x16ExtractLane(int32_t);
+  const Operator* Int8x16ReplaceLane(int32_t);
 
   // Constructs function info for frame state construction.
   const FrameStateFunctionInfo* CreateFrameStateFunctionInfo(