Testcase for loop reversal (check_dbra_loop) bug.

From-SVN: r19031

Testcase for loop reversal (check_dbra_loop) bug.
From-SVN: r19031
d6a007a2 · Jim Wilson · Jim Wilson · 668d07be · d6a007a2 · d6a007a2
Commit d6a007a2 authored 27 years ago by Jim Wilson Committed by Jim Wilson 27 years ago
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gcc/testsuite/gcc.c-torture/ChangeLog
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gcc/testsuite/gcc.c-torture/execute/980407-1.c
+16 -0

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--- a/gcc/testsuite/gcc.c-torture/ChangeLog
+++ b/gcc/testsuite/gcc.c-torture/ChangeLog
+Tue Apr  7 12:01:24 1998  Jim Wilson  <wilson@cygnus.com>
+
+	* execute/980407-1.c: New test from Joern Rennecke.
+
 Fri Apr  3 12:27:49 1998  Jim Wilson  <wilson@cygnus.com>

 	* compile/980329-1.c: New test.

--- a/gcc/testsuite/gcc.c-torture/execute/980407-1.c
+++ b/gcc/testsuite/gcc.c-torture/execute/980407-1.c
+int
+f()
+{
+  int j = 1;
+  long i;
+  for (i = -0x70000000L; i < 0x60000000L; i += 0x10000000L) j <<= 1;
+  return j;
+}
+
+int
+main ()
+{
+  if (f () != 8192)
+    abort ();
+  return 0;
+}