PPC: Fix "[turbofan] Add support for reinterpreting integers as floating point and vice versa."

src/compiler/ppc/code-generator-ppc.cc

Index: src/compiler/ppc/code-generator-ppc.cc
diff --git a/src/compiler/ppc/code-generator-ppc.cc b/src/compiler/ppc/code-generator-ppc.cc
index 47d4f2b7dc6769e33ac5bbd018aabeb558f1014c..4fc6bc017672128507089b57421869407cd42dbf 100644
--- a/src/compiler/ppc/code-generator-ppc.cc
+++ b/src/compiler/ppc/code-generator-ppc.cc
@@ -1076,12 +1076,18 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
 #endif
       DCHECK_EQ(LeaveRC, i.OutputRCBit());
       break;
+    case kPPC_BitcastFloat32ToInt32:
+      __ MovFloatToInt(i.OutputRegister(), i.InputDoubleRegister(0));
+      break;
+    case kPPC_BitcastInt32ToFloat32:
+      __ MovIntToFloat(i.OutputDoubleRegister(), i.InputRegister(0));
+      break;
 #if V8_TARGET_ARCH_PPC64
-    case kPPC_BitcastDL:
-      __ mffprd(i.OutputRegister(), i.InputDoubleRegister(0));
+    case kPPC_BitcastDoubleToInt64:
+      __ MovDoubleToInt64(i.OutputRegister(), i.InputDoubleRegister(0));
       break;
-    case kPPC_BitcastLD:
-      __ mtfprd(i.OutputDoubleRegister(), i.InputRegister(0));
+    case kPPC_BitcastInt64ToDouble:
+      __ MovInt64ToDouble(i.OutputDoubleRegister(), i.InputRegister(0));
       break;
 #endif
     case kPPC_LoadWordU8: