PPC: Add POWER9 to ppc cpu features

Features supported on P8 should also be enabled on P9.

Change-Id: Iae96471e5b66a801f28e3e1069d0d522ec901d93
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2596998Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#71838}

src/codegen/ppc/assembler-ppc.cc

@@ -71,17 +71,20 @@ void CpuFeatures::ProbeImpl(bool cross_compile) {
     supported_ |= (1u << MODULO);
   }
 #if V8_TARGET_ARCH_PPC64
-  if (cpu.part() == base::CPU::PPC_POWER8) {
+  if (cpu.part() == base::CPU::PPC_POWER8 ||
+      cpu.part() == base::CPU::PPC_POWER9) {
     supported_ |= (1u << FPR_GPR_MOV);
   }
 #endif
   if (cpu.part() == base::CPU::PPC_POWER6 ||
       cpu.part() == base::CPU::PPC_POWER7 ||
-      cpu.part() == base::CPU::PPC_POWER8) {
+      cpu.part() == base::CPU::PPC_POWER8 ||
+      cpu.part() == base::CPU::PPC_POWER9) {
     supported_ |= (1u << LWSYNC);
   }
   if (cpu.part() == base::CPU::PPC_POWER7 ||
-      cpu.part() == base::CPU::PPC_POWER8) {
+      cpu.part() == base::CPU::PPC_POWER8 ||
+      cpu.part() == base::CPU::PPC_POWER9) {
     supported_ |= (1u << ISELECT);
     supported_ |= (1u << VSX);
   }