42 lines
1.2 KiB
Diff
42 lines
1.2 KiB
Diff
|
diff -Nurp a/gcc/testsuite/gcc.dg/torture/pr92461.c b/gcc/testsuite/gcc.dg/torture/pr92461.c
|
||
|
|
--- a/gcc/testsuite/gcc.dg/torture/pr92461.c 1970-01-01 08:00:00.000000000 +0800
|
||
|
|
+++ b/gcc/testsuite/gcc.dg/torture/pr92461.c 2020-07-28 19:48:09.324000000 +0800
|
||
|
|
@@ -0,0 +1,20 @@
|
||
|
|
+/* { dg-do compile } */
|
||
|
|
+/* { dg-additional-options "-ftree-vectorize" } */
|
||
|
|
+
|
||
|
|
+short int zb;
|
||
|
|
+
|
||
|
|
+void
|
||
|
|
+gs (void)
|
||
|
|
+{
|
||
|
|
+ while (zb < 1)
|
||
|
|
+ {
|
||
|
|
+ int at;
|
||
|
|
+
|
||
|
|
+ zb %= 1;
|
||
|
|
+
|
||
|
|
+ for (at = 0; at < 56; ++at)
|
||
|
|
+ zb += zb;
|
||
|
|
+
|
||
|
|
+ ++zb;
|
||
|
|
+ }
|
||
|
|
+}
|
||
|
|
diff -Nurp a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c
|
||
|
|
--- a/gcc/tree-vect-loop.c 2020-07-28 19:47:53.896000000 +0800
|
||
|
|
+++ b/gcc/tree-vect-loop.c 2020-07-28 19:48:09.324000000 +0800
|
||
|
|
@@ -5459,8 +5459,11 @@ vect_create_epilog_for_reduction (stmt_v
|
||
|
|
orig_name = PHI_RESULT (exit_phi);
|
||
|
|
scalar_result = scalar_results[k];
|
||
|
|
FOR_EACH_IMM_USE_STMT (use_stmt, imm_iter, orig_name)
|
||
|
|
- FOR_EACH_IMM_USE_ON_STMT (use_p, imm_iter)
|
||
|
|
- SET_USE (use_p, scalar_result);
|
||
|
|
+ {
|
||
|
|
+ FOR_EACH_IMM_USE_ON_STMT (use_p, imm_iter)
|
||
|
|
+ SET_USE (use_p, scalar_result);
|
||
|
|
+ update_stmt (use_stmt);
|
||
|
|
+ }
|
||
|
|
}
|
||
|
|
|
||
|
|
phis.release ();
|