https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89664
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot
gnu.org
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
We're leaving occ_head with stale data. Patch I am testing:
Index: tree-ssa-math-opts.c
===================================================================
--- tree-ssa-math-opts.c (revision 269212)
+++ tree-ssa-math-opts.c (working copy)
@@ -799,7 +799,7 @@ execute_cse_reciprocals_1 (gimple_stmt_i
/* If it is more profitable to optimize 1 / x, don't optimize 1 / (x * x).
*/
if (sqrt_recip_count > square_recip_count)
- return;
+ goto out;
/* Do the expensive part only if we can hope to optimize something. */
if (count + square_recip_count >= threshold && count >= 1)
@@ -842,6 +842,7 @@ execute_cse_reciprocals_1 (gimple_stmt_i
}
}
+out:
for (occ = occ_head; occ; )
occ = free_bb (occ);
