[turbofan] Add the CheckedTruncateTaggedToWord32 opcode.

src/compiler/simplified-operator.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/simplified-operator.h"
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 #include "src/types.h"
@@ skipping 346 matching lines @@
   V(StringLessThanOrEqual, Operator::kNoProperties, 2)
 
 #define SPECULATIVE_BINOP_LIST(V) \
   V(SpeculativeNumberAdd)         \
   V(SpeculativeNumberSubtract)    \
   V(SpeculativeNumberDivide)      \
   V(SpeculativeNumberMultiply)    \
   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)                                \
   struct Name##Operator final : public Operator {                          \
     Name##Operator()                                                       \
         : Operator(IrOpcode::k##Name, Operator::kPure | properties, #Name, \
                    input_count, 0, 0, 1, 0, 0) {}                          \
   };                                                                       \
   Name##Operator k##Name;
   PURE_OP_LIST(PURE)
@@ skipping 240 matching lines @@
                         Operator::kNoDeopt | Operator::kNoThrow | properties,  \
                         #Name, value_input_count, 1, control_input_count,      \
                         output_count, 1, 0, access);                           \
   }
 ACCESS_OP_LIST(ACCESS)
 #undef ACCESS
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8