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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/pr46614.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/pr46614.c b/gcc-4.9/gcc/testsuite/gcc.dg/pr46614.c
new file mode 100644
index 000000000..92bcf4e01
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/pr46614.c
@@ -0,0 +1,57 @@
+/* PR rtl-optimization/46614 */
+/* { dg-do run } */
+/* { dg-options "-O -fno-rename-registers -fsched2-use-superblocks -fschedule-insns2 -funroll-loops" } */
+/* { dg-require-effective-target scheduling } */
+
+extern void abort (void);
+
+struct S
+{
+ unsigned char a;
+ unsigned char b;
+ unsigned int c;
+ unsigned int e;
+ unsigned char f;
+ unsigned int g;
+};
+
+void bar (struct S *x)
+{
+ int i;
+ struct S *p = x;
+ struct S r[16];
+ unsigned j;
+ for (i = 0; i < 16; i++)
+ {
+ r[i].c = p->b + p->c;
+ j = p->c + p->f;
+ r[i].a = j + p->b;
+ r[i].f = p->f + p->e;
+ r[i].g = p->b + p->c;
+ }
+ for (i = 0; i < 16; i++)
+ {
+ if (r[i].c != x[i].b + x[i].c
+ || r[i].a != x[i].c + x[i].f + x[i].b
+ || r[i].f != x[i].f + x[i].e
+ || r[i].g != x[i].b + x[i].c)
+ abort ();
+ }
+ for (i = 0; i < 16; i++)
+ {
+ r[i].b = p->c;
+ if (r[i].b != x[i].c)
+ abort ();
+ }
+}
+
+int
+main ()
+{
+ int i;
+ struct S x[16];
+ for (i = 0; i < 16; i++)
+ x[i].b = x[i].c = x[i].e = x[i].f = 5;
+ bar (x);
+ return 0;
+}