Infer #clobber memory and #clobber cc from the mnemonics directly

src/asm_tables_amd64.cpp

@@ -192,6 +192,18 @@ struct Asm_amd64 {
 		bool            writes_mem;
 		bool            reads_mem;
 		SideEffectFlags side_effects;
+
+		bool implies_clobber_cc() {
+			u16 const CC_MASK = ClobberFlag_CF|ClobberFlag_PF|ClobberFlag_AF|
+			                    ClobberFlag_ZF|ClobberFlag_SF|ClobberFlag_OF;
+			return ((flags_wr | flags_undef) & CC_MASK) != 0;
+		}
+		bool implies_clobber_memory() {
+			return writes_mem || reads_mem ||
+				(side_effects & (SideEffectFlag_FENCE |
+				                 SideEffectFlag_CACHE |
+				                 SideEffectFlag_SERIALIZING)) != 0;
+		}
 	};
 
 	static u16 const register_codes[REG_COUNT];