[turbofan] Renamed the ChangeFloat64ToInt64 operator to TruncateFloat64ToInt64.

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/1458423002

Cr-Commit-Position: refs/heads/master@{#32139}

src/compiler/arm64/instruction-selector-arm64.cc

@@ -1237,7 +1237,7 @@ void InstructionSelector::VisitChangeFloat64ToUint32(Node* node) {
 }
 
 
-void InstructionSelector::VisitChangeFloat64ToInt64(Node* node) {
+void InstructionSelector::VisitTruncateFloat64ToInt64(Node* node) {
   VisitRR(this, kArm64Float64ToInt64, node);
 }
 

src/compiler/instruction-selector.cc

@@ -813,8 +813,8 @@ void InstructionSelector::VisitNode(Node* node) {
       return MarkAsWord32(node), VisitChangeFloat64ToInt32(node);
     case IrOpcode::kChangeFloat64ToUint32:
       return MarkAsWord32(node), VisitChangeFloat64ToUint32(node);
-    case IrOpcode::kChangeFloat64ToInt64:
-      return MarkAsWord64(node), VisitChangeFloat64ToInt64(node);
+    case IrOpcode::kTruncateFloat64ToInt64:
+      return MarkAsWord64(node), VisitTruncateFloat64ToInt64(node);
     case IrOpcode::kTruncateFloat64ToUint64:
       return MarkAsWord64(node), VisitTruncateFloat64ToUint64(node);
     case IrOpcode::kChangeInt32ToInt64:
@@ -1057,7 +1057,7 @@ void InstructionSelector::VisitChangeUint32ToUint64(Node* node) {
 }
 
 
-void InstructionSelector::VisitChangeFloat64ToInt64(Node* node) {
+void InstructionSelector::VisitTruncateFloat64ToInt64(Node* node) {
   UNIMPLEMENTED();
 }
 

src/compiler/machine-operator.cc

@@ -135,7 +135,7 @@ CheckedStoreRepresentation CheckedStoreRepresentationOf(Operator const* op) {
   V(ChangeFloat32ToFloat64, Operator::kNoProperties, 1, 0, 1)                 \
   V(ChangeFloat64ToInt32, Operator::kNoProperties, 1, 0, 1)                   \
   V(ChangeFloat64ToUint32, Operator::kNoProperties, 1, 0, 1)                  \
-  V(ChangeFloat64ToInt64, Operator::kNoProperties, 1, 0, 1)                   \
+  V(TruncateFloat64ToInt64, Operator::kNoProperties, 1, 0, 1)                 \
   V(TruncateFloat64ToUint64, Operator::kNoProperties, 1, 0, 1)                \
   V(ChangeInt32ToFloat64, Operator::kNoProperties, 1, 0, 1)                   \
   V(RoundInt64ToFloat32, Operator::kNoProperties, 1, 0, 1)                    \

src/compiler/machine-operator.h

@@ -202,7 +202,7 @@ class MachineOperatorBuilder final : public ZoneObject {
   const Operator* ChangeFloat32ToFloat64();
   const Operator* ChangeFloat64ToInt32();   // narrowing
   const Operator* ChangeFloat64ToUint32();  // narrowing
-  const Operator* ChangeFloat64ToInt64();   // narrowing
+  const Operator* TruncateFloat64ToInt64();
   const Operator* TruncateFloat64ToUint64();
   const Operator* ChangeInt32ToFloat64();
   const Operator* ChangeInt32ToInt64();

src/compiler/mips64/instruction-selector-mips64.cc

@@ -707,7 +707,7 @@ void InstructionSelector::VisitChangeFloat64ToUint32(Node* node) {
 }
 
 
-void InstructionSelector::VisitChangeFloat64ToInt64(Node* node) {
+void InstructionSelector::VisitTruncateFloat64ToInt64(Node* node) {
   VisitRR(this, kMips64TruncLD, node);
 }
 

src/compiler/opcodes.h

@@ -267,7 +267,7 @@
   V(ChangeFloat32ToFloat64)     \
   V(ChangeFloat64ToInt32)       \
   V(ChangeFloat64ToUint32)      \
-  V(ChangeFloat64ToInt64)       \
+  V(TruncateFloat64ToInt64)     \
   V(TruncateFloat64ToUint64)    \
   V(ChangeInt32ToFloat64)       \
   V(ChangeInt32ToInt64)         \

src/compiler/ppc/instruction-selector-ppc.cc

@@ -927,7 +927,7 @@ void InstructionSelector::VisitChangeFloat64ToUint32(Node* node) {
 
 
 #if V8_TARGET_ARCH_PPC64
-void InstructionSelector::VisitChangeFloat64ToInt64(Node* node) {
+void InstructionSelector::VisitTruncateFloat64ToInt64(Node* node) {
   VisitRR(this, kPPC_DoubleToInt64, node);
 }
 

src/compiler/raw-machine-assembler.h

@@ -443,8 +443,8 @@ class RawMachineAssembler {
   Node* ChangeFloat64ToUint32(Node* a) {
     return AddNode(machine()->ChangeFloat64ToUint32(), a);
   }
-  Node* ChangeFloat64ToInt64(Node* a) {
-    return AddNode(machine()->ChangeFloat64ToInt64(), a);
+  Node* TruncateFloat64ToInt64(Node* a) {
+    return AddNode(machine()->TruncateFloat64ToInt64(), a);
   }
   Node* TruncateFloat64ToUint64(Node* a) {
     return AddNode(machine()->TruncateFloat64ToUint64(), a);

src/compiler/typer.cc

@@ -2080,7 +2080,7 @@ Type* Typer::Visitor::TypeChangeFloat64ToUint32(Node* node) {
 }
 
 
-Type* Typer::Visitor::TypeChangeFloat64ToInt64(Node* node) {
+Type* Typer::Visitor::TypeTruncateFloat64ToInt64(Node* node) {
   return Type::Internal();
 }
 

src/compiler/verifier.cc

@@ -909,7 +909,7 @@ void Verifier::Visitor::Check(Node* node) {
     case IrOpcode::kChangeFloat32ToFloat64:
     case IrOpcode::kChangeFloat64ToInt32:
     case IrOpcode::kChangeFloat64ToUint32:
-    case IrOpcode::kChangeFloat64ToInt64:
+    case IrOpcode::kTruncateFloat64ToInt64:
     case IrOpcode::kTruncateFloat64ToUint64:
     case IrOpcode::kFloat64ExtractLowWord32:
     case IrOpcode::kFloat64ExtractHighWord32:

src/compiler/x64/instruction-selector-x64.cc

@@ -834,7 +834,7 @@ void InstructionSelector::VisitChangeFloat64ToUint32(Node* node) {
 }
 
 
-void InstructionSelector::VisitChangeFloat64ToInt64(Node* node) {
+void InstructionSelector::VisitTruncateFloat64ToInt64(Node* node) {
   X64OperandGenerator g(this);
   Emit(kSSEFloat64ToInt64, g.DefineAsRegister(node), g.Use(node->InputAt(0)));
 }

test/cctest/compiler/test-run-machops.cc

@@ -5353,9 +5353,9 @@ TEST(RunBitcastFloat64ToInt64) {
 }
 
 
-TEST(RunChangeFloat64ToInt64) {
+TEST(RunTruncateFloat64ToInt64) {
   BufferedRawMachineAssemblerTester<int64_t> m(kMachFloat64);
-  m.Return(m.ChangeFloat64ToInt64(m.Parameter(0)));
+  m.Return(m.TruncateFloat64ToInt64(m.Parameter(0)));
 
   FOR_INT64_INPUTS(i) {
     double input = static_cast<double>(*i);