Add 20020226-1.c to test rotate patterns

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50087 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 6f0a6fc..b45bd6d 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2002-02-27  Michael Meissner  <meissner@redhat.com>
+
+       * gcc.c-torture/execute/20020226-1.c: New test.
+
 2002-02-26  Jakub Jelinek  <jakub@redhat.com>
 
        * g++.dg/debug/debug4.C: New test.

diff --git a/gcc/testsuite/gcc.c-torture/execute/20020226-1.c b/gcc/testsuite/gcc.c-torture/execute/20020226-1.c
new file mode 100644 (file)
index 0000000..6372ffc
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20020226-1.c
@@ -0,0 +1,104 @@
+/* This tests the rotate patterns that some machines support.  */
+
+#include <limits.h>
+
+#ifndef CHAR_BIT
+#define CHAR_BIT 8
+#endif
+
+#define ROR(a,b) (((a) >> (b)) | ((a) << ((sizeof (a) * CHAR_BIT) - (b))))
+#define ROL(a,b) (((a) << (b)) | ((a) >> ((sizeof (a) * CHAR_BIT) - (b))))
+
+#define CHAR_VALUE ((unsigned char)0x1234U)
+#define SHORT_VALUE ((unsigned short)0x1234U)
+#define INT_VALUE 0x1234U
+#define LONG_VALUE 0x12345678LU
+#define LL_VALUE 0x12345678abcdef0LLU
+
+#define SHIFT1 4
+#define SHIFT2 ((sizeof (long long) * CHAR_BIT) - SHIFT1)
+
+unsigned char uc = CHAR_VALUE;
+unsigned short us = SHORT_VALUE;
+unsigned int ui = INT_VALUE;
+unsigned long ul = LONG_VALUE;
+unsigned long long ull = LL_VALUE;
+int shift1 = SHIFT1;
+int shift2 = SHIFT2;
+
+main ()
+{
+  if (ROR (uc, shift1) != ROR (CHAR_VALUE, SHIFT1))
+    abort ();
+
+  if (ROR (uc, SHIFT1) != ROR (CHAR_VALUE, SHIFT1))
+    abort ();
+
+  if (ROR (us, shift1) != ROR (SHORT_VALUE, SHIFT1))
+    abort ();
+
+  if (ROR (us, SHIFT1) != ROR (SHORT_VALUE, SHIFT1))
+    abort ();
+
+  if (ROR (ui, shift1) != ROR (INT_VALUE, SHIFT1))
+    abort ();
+
+  if (ROR (ui, SHIFT1) != ROR (INT_VALUE, SHIFT1))
+    abort ();
+
+  if (ROR (ul, shift1) != ROR (LONG_VALUE, SHIFT1))
+    abort ();
+
+  if (ROR (ul, SHIFT1) != ROR (LONG_VALUE, SHIFT1))
+    abort ();
+
+  if (ROR (ull, shift1) != ROR (LL_VALUE, SHIFT1))
+    abort ();
+
+  if (ROR (ull, SHIFT1) != ROR (LL_VALUE, SHIFT1))
+    abort ();
+
+  if (ROR (ull, shift2) != ROR (LL_VALUE, SHIFT2))
+    abort ();
+
+  if (ROR (ull, SHIFT2) != ROR (LL_VALUE, SHIFT2))
+    abort ();
+
+  if (ROL (uc, shift1) != ROL (CHAR_VALUE, SHIFT1))
+    abort ();
+
+  if (ROL (uc, SHIFT1) != ROL (CHAR_VALUE, SHIFT1))
+    abort ();
+
+  if (ROL (us, shift1) != ROL (SHORT_VALUE, SHIFT1))
+    abort ();
+
+  if (ROL (us, SHIFT1) != ROL (SHORT_VALUE, SHIFT1))
+    abort ();
+
+  if (ROL (ui, shift1) != ROL (INT_VALUE, SHIFT1))
+    abort ();
+
+  if (ROL (ui, SHIFT1) != ROL (INT_VALUE, SHIFT1))
+    abort ();
+
+  if (ROL (ul, shift1) != ROL (LONG_VALUE, SHIFT1))
+    abort ();
+
+  if (ROL (ul, SHIFT1) != ROL (LONG_VALUE, SHIFT1))
+    abort ();
+
+  if (ROL (ull, shift1) != ROL (LL_VALUE, SHIFT1))
+    abort ();
+
+  if (ROL (ull, SHIFT1) != ROL (LL_VALUE, SHIFT1))
+    abort ();
+
+  if (ROL (ull, shift2) != ROL (LL_VALUE, SHIFT2))
+    abort ();
+
+  if (ROL (ull, SHIFT2) != ROL (LL_VALUE, SHIFT2))
+    abort ();
+
+  exit (0);
+}