1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr42246.c b/gcc/testsuite/gcc.dg/pr42246.c
new file mode 100644
index 000000000..ee17a2112
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr42246.c
@@ -0,0 +1,36 @@
+/* { dg-do compile { target powerpc*-*-* ia64-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -fselective-scheduling -fsel-sched-pipelining -fsel-sched-pipelining-outer-loops" } */
+
+typedef enum
+{
+  empty = 0, pawn = 1, knight = 2, king = 3, bishop = 5, rook = 6, queen = 7
+}
+PIECE;
+extern int p_values[15];
+extern int *last[65];
+int
+Quiesce (int alpha, int beta, int wtm, int ply)
+{
+  register int initial_alpha, value, delta;
+  register int *goodmv, *movep, moves = 0, *sortv, temp;
+  for (movep = last[ply - 1]; movep < last[ply]; movep++)
+    if (p_values[(((*movep) >> 15) & 7) + 7] +
+        p_values[(((*movep) >> 18) & 7) + 7] >= delta)
+      {
+        register int done;
+        register int *end = last[ply - 1] + moves - 1;
+        do
+          {
+            done = 1;
+            movep = last[ply - 1];
+            for (; movep < end; movep++, sortv++)
+              if (*sortv < *(sortv + 1))
+                {
+                  *(movep + 1) = temp;
+                  done = 0;
+                }
+          }
+        while (!done);
+      }
+}
+