#define dh_is_64bit_noreturn 0
#define dh_is_64bit_i32 0
#define dh_is_64bit_i64 1
-#define dh_is_64bit_ptr (TCG_TARGET_REG_BITS == 64)
+#define dh_is_64bit_ptr (sizeof(void *) == 8)
#define dh_is_64bit(t) glue(dh_is_64bit_, dh_alias(t))
#define dh_is_signed_void 0
#define tcg_gen_muls2_tl tcg_gen_muls2_i32
#endif
-#if TCG_TARGET_REG_BITS == 32
+#if UINTPTR_MAX == UINT32_MAX
# define tcg_gen_ld_ptr(R, A, O) \
tcg_gen_ld_i32(TCGV_PTR_TO_NAT(R), (A), (O))
# define tcg_gen_discard_ptr(A) \
tcg_gen_addi_i64(TCGV_PTR_TO_NAT(R), TCGV_PTR_TO_NAT(A), (B))
# define tcg_gen_ext_i32_ptr(R, A) \
tcg_gen_ext_i32_i64(TCGV_PTR_TO_NAT(R), (A))
-#endif /* TCG_TARGET_REG_BITS == 32 */
+#endif /* UINTPTR_MAX == UINT32_MAX */