[turbofan] Add the CheckedTruncateTaggedToWord32 opcode.

src/compiler/simplified-operator.cc

Index: src/compiler/simplified-operator.cc
diff --git a/src/compiler/simplified-operator.cc b/src/compiler/simplified-operator.cc
index 2442ceebbe088980fb80b08c96a9fe479bde3af3..c0f5cb081e4f52e530983ee37f3d027849d30f6c 100644
--- a/src/compiler/simplified-operator.cc
+++ b/src/compiler/simplified-operator.cc
@@ -364,23 +364,24 @@ CompareOperationHints::Hint CompareOperationHintOf(const Operator* op) {
   V(SpeculativeNumberModulus)     \
   V(SpeculativeNumberShiftLeft)
 
-#define CHECKED_OP_LIST(V)       \
-  V(CheckBounds, 2, 1)           \
-  V(CheckIf, 1, 0)               \
-  V(CheckNumber, 1, 1)           \
-  V(CheckString, 1, 1)           \
-  V(CheckTaggedPointer, 1, 1)    \
-  V(CheckTaggedSigned, 1, 1)     \
-  V(CheckedInt32Add, 2, 1)       \
-  V(CheckedInt32Sub, 2, 1)       \
-  V(CheckedInt32Div, 2, 1)       \
-  V(CheckedInt32Mod, 2, 1)       \
-  V(CheckedUint32Div, 2, 1)      \
-  V(CheckedUint32Mod, 2, 1)      \
-  V(CheckedUint32ToInt32, 1, 1)  \
-  V(CheckedFloat64ToInt32, 1, 1) \
-  V(CheckedTaggedToInt32, 1, 1)  \
-  V(CheckedTaggedToFloat64, 1, 1)
+#define CHECKED_OP_LIST(V)        \
+  V(CheckBounds, 2, 1)            \
+  V(CheckIf, 1, 0)                \
+  V(CheckNumber, 1, 1)            \
+  V(CheckString, 1, 1)            \
+  V(CheckTaggedPointer, 1, 1)     \
+  V(CheckTaggedSigned, 1, 1)      \
+  V(CheckedInt32Add, 2, 1)        \
+  V(CheckedInt32Sub, 2, 1)        \
+  V(CheckedInt32Div, 2, 1)        \
+  V(CheckedInt32Mod, 2, 1)        \
+  V(CheckedUint32Div, 2, 1)       \
+  V(CheckedUint32Mod, 2, 1)       \
+  V(CheckedUint32ToInt32, 1, 1)   \
+  V(CheckedFloat64ToInt32, 1, 1)  \
+  V(CheckedTaggedToInt32, 1, 1)   \
+  V(CheckedTaggedToFloat64, 1, 1) \
+  V(CheckedTruncateTaggedToWord32, 1, 1)
 
 struct SimplifiedOperatorGlobalCache final {
 #define PURE(Name, properties, input_count)                                \