loop.c (scan_loop): Don't mark separate insns out of a libcall for moving.

gcc:
	* loop.c (scan_loop): Don't mark separate insns out of a libcall
	for moving.
	(move_movables): Abort if we see the first insn of a libcall.
gcc/testsuite
	* gcc.c-torture/execute/loop-14.c: New test.

From-SVN: r56823

gcc/ChangeLog

+Thu Sep  5 00:34:33 2002  J"orn Rennecke <joern.rennecke@superh.com>
+
+	* loop.c (scan_loop): Don't mark separate insns out of a libcall
+	for moving.
+	(move_movables): Abort if we see the first insn of a libcall.
+
 2002-09-04  Richard Henderson  <rth@redhat.com>
 
 	* builtin-types.def (BT_FN_FLOAT): New.

gcc/testsuite/ChangeLog

+Thu Sep  5 00:34:33 2002  J"orn Rennecke <joern.rennecke@superh.com>
+
+	* gcc.c-torture/execute/loop-14.c: New test.
+
 2002-09-04  Jakub Jelinek  <jakub@redhat.com>
 
 	* g++.dg/other/cxa-atexit1.C: New test.

gcc/testsuite/gcc.c-torture/execute/loop-14.c

+int a3[3];
+
+void f(int *a)
+{
+  int i;
+
+  for (i=3; --i;)
+    a[i] = 42 / i;
+}
+
+int
+main ()
+{
+  f(a3);
+
+  if (a3[1] != 42 || a3[2] != 21)
+    abort ();
+
+  exit (0);
+}