PPC: Add VC form opcodes to the disassembler

Change-Id: I06633381ad6bfd84090e7553404425d28a90f47a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2765443Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#73450}

src/diagnostics/ppc/disasm-ppc.cc

@@ -412,6 +412,16 @@ void Decoder::DecodeExt0(Instruction* instr) {
   }
     PPC_VA_OPCODE_A_FORM_LIST(DECODE_VA_A_FORM__INSTRUCTIONS)
 #undef DECODE_VA_A_FORM__INSTRUCTIONS
+  }
+  switch (EXT0 | (instr->BitField(9, 0))) {
+// TODO(miladfarca): Fix RC indicator.
+#define DECODE_VC_FORM__INSTRUCTIONS(name, opcode_name, opcode_value) \
+  case opcode_name: {                                                 \
+    Format(instr, #name " 'Vt, 'Va, 'Vb");                            \
+    return;                                                           \
+  }
+    PPC_VC_OPCODE_LIST(DECODE_VC_FORM__INSTRUCTIONS)
+#undef DECODE_VC_FORM__INSTRUCTIONS
   }
   switch (EXT0 | (instr->BitField(10, 0))) {
 #define DECODE_VX_A_FORM__INSTRUCTIONS(name, opcode_name, opcode_value) \