uint64_t tcg_helper_remu_i64(uint64_t arg1, uint64_t arg2);
extern uint8_t code_gen_prologue[];
-#if defined(__powerpc__) && !defined(__powerpc64__)
+#if defined(_ARCH_PPC) && !defined(_ARCH_PPC64)
#define tcg_qemu_tb_exec(tb_ptr) \
((long REGPARM __attribute__ ((longcall)) (*)(void *))code_gen_prologue)(tb_ptr)
#else