PPC: Declare X format assembler function with opcode list macro

R=bjaideep@ca.ibm.com, jyan@ca.ibm.com, joransiu@ca.ibm.com
BUG=

Review-Url: https://codereview.chromium.org/2775413002
Cr-Commit-Position: refs/heads/master@{#44241}

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

@@ -1579,12 +1579,12 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
       ASSEMBLE_FLOAT_UNOP_RC(fneg, 0);
       break;
     case kPPC_Cntlz32:
-      __ cntlzw_(i.OutputRegister(), i.InputRegister(0));
+      __ cntlzw(i.OutputRegister(), i.InputRegister(0));
       DCHECK_EQ(LeaveRC, i.OutputRCBit());
       break;
 #if V8_TARGET_ARCH_PPC64
     case kPPC_Cntlz64:
-      __ cntlzd_(i.OutputRegister(), i.InputRegister(0));
+      __ cntlzd(i.OutputRegister(), i.InputRegister(0));
       DCHECK_EQ(LeaveRC, i.OutputRCBit());
       break;
 #endif

src/crankshaft/ppc/lithium-codegen-ppc.cc

@@ -3736,7 +3736,7 @@ void LCodeGen::DoMathLog(LMathLog* instr) {
 void LCodeGen::DoMathClz32(LMathClz32* instr) {
   Register input = ToRegister(instr->value());
   Register result = ToRegister(instr->result());
-  __ cntlzw_(result, input);
+  __ cntlzw(result, input);
 }
 
 void LCodeGen::PrepareForTailCall(const ParameterCount& actual,