1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/alias.c b/gcc/alias.c
index 753e1af..a0e25dc 100644
--- a/gcc/alias.c
+++ b/gcc/alias.c
@@ -3057,6 +3057,20 @@ output_dependence (const_rtx mem, const_rtx x)
 			     /*mem_canonicalized=*/false,
 			     /*x_canonicalized*/false, /*writep=*/true);
 }
+
+/* Likewise, but we already have a canonicalized MEM, and X_ADDR for X.
+   Also, consider X in X_MODE (which might be from an enclosing
+   STRICT_LOW_PART / ZERO_EXTRACT).
+   If MEM_CANONICALIZED is true, MEM is canonicalized.  */
+
+int
+canon_output_dependence (const_rtx mem, bool mem_canonicalized,
+			 const_rtx x, machine_mode x_mode, rtx x_addr)
+{
+  return write_dependence_p (mem, x, x_mode, x_addr,
+			     mem_canonicalized, /*x_canonicalized=*/true,
+			     /*writep=*/true);
+}