+ return write_dependence_p (mem, VOIDmode, NULL_RTX, x,
+ /*mem_canonicalized=*/false, /*writep=*/false);
+}
+
+/* Likewise, but we already have a canonicalized MEM_ADDR for MEM.
+ Also, consider MEM in MEM_MODE (which might be from an enclosing
+ STRICT_LOW_PART / ZERO_EXTRACT). */
+
+int
+canon_anti_dependence (const_rtx mem, enum machine_mode mem_mode,
+ rtx mem_addr, const_rtx x)
+{
+ return write_dependence_p (mem, mem_mode, mem_addr, x,
+ /*mem_canonicalized=*/true, /*writep=*/false);