[turbofan] Turn Math.clz32 into an inlinable builtin.

test/unittests/compiler/machine-operator-unittest.cc

 // Copyright 2014 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/machine-operator.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 #include "src/compiler/operator-properties.h"
 #include "test/unittests/test-utils.h"
 
@@ skipping 162 matching lines @@
 
 const PureOperator kPureOperators[] = {
 #define PURE(Name, value_input_count, control_input_count, value_output_count) \
   {                                                                            \
     &MachineOperatorBuilder::Name, IrOpcode::k##Name, value_input_count,       \
         control_input_count, value_output_count                                \
   }
     PURE(Word32And, 2, 0, 1), PURE(Word32Or, 2, 0, 1), PURE(Word32Xor, 2, 0, 1),
     PURE(Word32Shl, 2, 0, 1), PURE(Word32Shr, 2, 0, 1),
     PURE(Word32Sar, 2, 0, 1), PURE(Word32Ror, 2, 0, 1),
-    PURE(Word32Equal, 2, 0, 1), PURE(Word64And, 2, 0, 1),
-    PURE(Word64Or, 2, 0, 1), PURE(Word64Xor, 2, 0, 1), PURE(Word64Shl, 2, 0, 1),
-    PURE(Word64Shr, 2, 0, 1), PURE(Word64Sar, 2, 0, 1),
-    PURE(Word64Ror, 2, 0, 1), PURE(Word64Equal, 2, 0, 1),
-    PURE(Int32Add, 2, 0, 1), PURE(Int32AddWithOverflow, 2, 0, 2),
-    PURE(Int32Sub, 2, 0, 1), PURE(Int32SubWithOverflow, 2, 0, 2),
-    PURE(Int32Mul, 2, 0, 1), PURE(Int32MulHigh, 2, 0, 1),
-    PURE(Int32Div, 2, 1, 1), PURE(Uint32Div, 2, 1, 1), PURE(Int32Mod, 2, 1, 1),
-    PURE(Uint32Mod, 2, 1, 1), PURE(Int32LessThan, 2, 0, 1),
-    PURE(Int32LessThanOrEqual, 2, 0, 1), PURE(Uint32LessThan, 2, 0, 1),
-    PURE(Uint32LessThanOrEqual, 2, 0, 1), PURE(Int64Add, 2, 0, 1),
-    PURE(Int64Sub, 2, 0, 1), PURE(Int64Mul, 2, 0, 1), PURE(Int64Div, 2, 0, 1),
-    PURE(Uint64Div, 2, 0, 1), PURE(Int64Mod, 2, 0, 1), PURE(Uint64Mod, 2, 0, 1),
-    PURE(Int64LessThan, 2, 0, 1), PURE(Int64LessThanOrEqual, 2, 0, 1),
-    PURE(Uint64LessThan, 2, 0, 1), PURE(ChangeFloat32ToFloat64, 1, 0, 1),
-    PURE(ChangeFloat64ToInt32, 1, 0, 1), PURE(ChangeFloat64ToUint32, 1, 0, 1),
-    PURE(ChangeInt32ToInt64, 1, 0, 1), PURE(ChangeUint32ToFloat64, 1, 0, 1),
-    PURE(ChangeUint32ToUint64, 1, 0, 1),
+    PURE(Word32Equal, 2, 0, 1), PURE(Word32Clz, 1, 0, 1),
+    PURE(Word64And, 2, 0, 1), PURE(Word64Or, 2, 0, 1), PURE(Word64Xor, 2, 0, 1),
+    PURE(Word64Shl, 2, 0, 1), PURE(Word64Shr, 2, 0, 1),
+    PURE(Word64Sar, 2, 0, 1), PURE(Word64Ror, 2, 0, 1),
+    PURE(Word64Equal, 2, 0, 1), PURE(Int32Add, 2, 0, 1),
+    PURE(Int32AddWithOverflow, 2, 0, 2), PURE(Int32Sub, 2, 0, 1),
+    PURE(Int32SubWithOverflow, 2, 0, 2), PURE(Int32Mul, 2, 0, 1),
+    PURE(Int32MulHigh, 2, 0, 1), PURE(Int32Div, 2, 1, 1),
+    PURE(Uint32Div, 2, 1, 1), PURE(Int32Mod, 2, 1, 1), PURE(Uint32Mod, 2, 1, 1),
+    PURE(Int32LessThan, 2, 0, 1), PURE(Int32LessThanOrEqual, 2, 0, 1),
+    PURE(Uint32LessThan, 2, 0, 1), PURE(Uint32LessThanOrEqual, 2, 0, 1),
+    PURE(Int64Add, 2, 0, 1), PURE(Int64Sub, 2, 0, 1), PURE(Int64Mul, 2, 0, 1),
+    PURE(Int64Div, 2, 0, 1), PURE(Uint64Div, 2, 0, 1), PURE(Int64Mod, 2, 0, 1),
+    PURE(Uint64Mod, 2, 0, 1), PURE(Int64LessThan, 2, 0, 1),
+    PURE(Int64LessThanOrEqual, 2, 0, 1), PURE(Uint64LessThan, 2, 0, 1),
+    PURE(ChangeFloat32ToFloat64, 1, 0, 1), PURE(ChangeFloat64ToInt32, 1, 0, 1),
+    PURE(ChangeFloat64ToUint32, 1, 0, 1), PURE(ChangeInt32ToInt64, 1, 0, 1),
+    PURE(ChangeUint32ToFloat64, 1, 0, 1), PURE(ChangeUint32ToUint64, 1, 0, 1),
     PURE(TruncateFloat64ToFloat32, 1, 0, 1),
     PURE(TruncateFloat64ToInt32, 1, 0, 1), PURE(TruncateInt64ToInt32, 1, 0, 1),
     PURE(Float64Add, 2, 0, 1), PURE(Float64Sub, 2, 0, 1),
     PURE(Float64Mul, 2, 0, 1), PURE(Float64Div, 2, 0, 1),
     PURE(Float64Mod, 2, 0, 1), PURE(Float64Sqrt, 1, 0, 1),
     PURE(Float64Equal, 2, 0, 1), PURE(Float64LessThan, 2, 0, 1),
     PURE(Float64LessThanOrEqual, 2, 0, 1), PURE(LoadStackPointer, 0, 0, 1),
     PURE(Float64RoundDown, 1, 0, 1), PURE(Float64RoundTruncate, 1, 0, 1),
     PURE(Float64RoundTiesAway, 1, 0, 1), PURE(Float64ExtractLowWord32, 1, 0, 1),
     PURE(Float64ExtractHighWord32, 1, 0, 1),
@@ skipping 108 matching lines @@
   EXPECT_EQ(machine.Uint64Div(), machine.UintDiv());
   EXPECT_EQ(machine.Int64Mod(), machine.IntMod());
   EXPECT_EQ(machine.Uint64Mod(), machine.UintMod());
   EXPECT_EQ(machine.Int64LessThan(), machine.IntLessThan());
   EXPECT_EQ(machine.Int64LessThanOrEqual(), machine.IntLessThanOrEqual());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8