re PR middle-end/86380 (incorrect comparison in function choose_multiplier)

PR middle-end/86380 * expmed.c (choose_multiplier): Fix incorrect comparison with mask. From-SVN: r262401

re PR middle-end/86380 (incorrect comparison in function choose_multiplier)
PR middle-end/86380 * expmed.c (choose_multiplier): Fix incorrect comparison with mask. From-SVN: r262401
04f8c98c · Eric Botcazou · Eric Botcazou · aacd59e7 · 04f8c98c · 04f8c98c
Commit 04f8c98c authored 6 years ago by Eric Botcazou Committed by Eric Botcazou 6 years ago
Hide whitespace changes
Inline Side-by-side

Showing with 6 additions and 1 deletions

gcc/ChangeLog
+5 -0

gcc/expmed.c
+1 -1

No files found.
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2018-07-04  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR middle-end/86380
+	* expmed.c (choose_multiplier): Fix incorrect comparison with mask.
+
 2018-07-04  Aldy Hernandez  <aldyh@redhat.com>

 	* tree-vrp.c (extract_range_from_binary_expr_1): Initialize

--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -3678,7 +3678,7 @@ choose_multiplier (unsigned HOST_WIDE_INT d, int n, int precision,
    {
      unsigned HOST_WIDE_INT mask = (HOST_WIDE_INT_1U << n) - 1;
      *multiplier_ptr = mhigh.to_uhwi () & mask;
-      return mhigh.to_uhwi () >= mask;
+      return mhigh.to_uhwi () > mask;
    }
  else
    {