+2002-03-09 Michael Meissner <meissner@redhat.com>
+
+ * gcc.c-torture/execute/memcpy-2.c: New test.
+ * gcc.c-torture/execute/memset-1.c: New test.
+ * gcc.c-torture/execute/strlen-1.c: New test.
+ * gcc.c-torture/execute/strcmp-1.c: New test.
+ * gcc.c-torture/execute/strncmp-1.c: New test.
+
2002-03-09 Geoffrey Keating <geoffk@redhat.com>
* gcc.dg/ppc-ldstruct.c: New test.
--- /dev/null
+/* Copyright (C) 2002 Free Software Foundation.
+
+ Test memcpy with various combinations of pointer alignments and lengths to
+ make sure any optimizations in the library are correct.
+
+ Written by Michael Meissner, March 9, 2002. */
+
+#include <string.h>
+
+#ifndef MAX_OFFSET
+#define MAX_OFFSET (sizeof (long long))
+#endif
+
+#ifndef MAX_COPY
+#define MAX_COPY (8 * sizeof (long long))
+#endif
+
+#ifndef MAX_EXTRA
+#define MAX_EXTRA (sizeof (long long))
+#endif
+
+#define MAX_LENGTH (MAX_OFFSET + MAX_COPY + MAX_EXTRA)
+
+static union {
+ char buf[MAX_LENGTH];
+ long long align_int;
+ long double align_fp;
+} u1, u2;
+
+main ()
+{
+ int off1, off2, len, i;
+ char *p, *q;
+
+ for (off1 = 0; off1 < MAX_OFFSET; off1++)
+ for (off2 = 0; off2 < MAX_OFFSET; off2++)
+ for (len = 1; len < MAX_COPY; len++)
+ {
+ for (i = 0; i < MAX_LENGTH; i++)
+ {
+ u1.buf[i] = 'a';
+ u2.buf[i] = 'A';
+ }
+
+ p = memcpy (u1.buf + off1, u2.buf + off2, len);
+ if (p != u1.buf + off1)
+ abort ();
+
+ q = u1.buf;
+ for (i = 0; i < off1; i++, q++)
+ if (*q != 'a')
+ abort ();
+
+ for (i = 0; i < len; i++, q++)
+ if (*q != 'A')
+ abort ();
+
+ for (i = 0; i < MAX_EXTRA; i++, q++)
+ if (*q != 'a')
+ abort ();
+ }
+
+ exit (0);
+}
--- /dev/null
+/* Copyright (C) 2002 Free Software Foundation.
+
+ Test memset with various combinations of pointer alignments and lengths to
+ make sure any optimizations in the library are correct.
+
+ Written by Michael Meissner, March 9, 2002. */
+
+#include <string.h>
+
+#ifndef MAX_OFFSET
+#define MAX_OFFSET (sizeof (long long))
+#endif
+
+#ifndef MAX_COPY
+#define MAX_COPY (8 * sizeof (long long))
+#endif
+
+#ifndef MAX_EXTRA
+#define MAX_EXTRA (sizeof (long long))
+#endif
+
+#define MAX_LENGTH (MAX_OFFSET + MAX_COPY + MAX_EXTRA)
+
+static union {
+ char buf[MAX_LENGTH];
+ long long align_int;
+ long double align_fp;
+} u;
+
+char A = 'A';
+
+main ()
+{
+ int off, len, i;
+ char *p, *q;
+
+ for (off = 0; off < MAX_OFFSET; off++)
+ for (len = 1; len < MAX_COPY; len++)
+ {
+ for (i = 0; i < MAX_LENGTH; i++)
+ u.buf[i] = 'a';
+
+ p = memset (u.buf + off, '\0', len);
+ if (p != u.buf + off)
+ abort ();
+
+ q = u.buf;
+ for (i = 0; i < off; i++, q++)
+ if (*q != 'a')
+ abort ();
+
+ for (i = 0; i < len; i++, q++)
+ if (*q != '\0')
+ abort ();
+
+ for (i = 0; i < MAX_EXTRA; i++, q++)
+ if (*q != 'a')
+ abort ();
+
+ p = memset (u.buf + off, A, len);
+ if (p != u.buf + off)
+ abort ();
+
+ q = u.buf;
+ for (i = 0; i < off; i++, q++)
+ if (*q != 'a')
+ abort ();
+
+ for (i = 0; i < len; i++, q++)
+ if (*q != 'A')
+ abort ();
+
+ for (i = 0; i < MAX_EXTRA; i++, q++)
+ if (*q != 'a')
+ abort ();
+
+ p = memset (u.buf + off, 'B', len);
+ if (p != u.buf + off)
+ abort ();
+
+ q = u.buf;
+ for (i = 0; i < off; i++, q++)
+ if (*q != 'a')
+ abort ();
+
+ for (i = 0; i < len; i++, q++)
+ if (*q != 'B')
+ abort ();
+
+ for (i = 0; i < MAX_EXTRA; i++, q++)
+ if (*q != 'a')
+ abort ();
+ }
+
+ exit (0);
+}
--- /dev/null
+/* Copyright (C) 2002 Free Software Foundation.
+
+ Test strcmp with various combinations of pointer alignments and lengths to
+ make sure any optimizations in the library are correct.
+
+ Written by Michael Meissner, March 9, 2002. */
+
+#include <string.h>
+#include <stddef.h>
+
+#ifndef MAX_OFFSET
+#define MAX_OFFSET (sizeof (long long))
+#endif
+
+#ifndef MAX_TEST
+#define MAX_TEST (8 * sizeof (long long))
+#endif
+
+#ifndef MAX_EXTRA
+#define MAX_EXTRA (sizeof (long long))
+#endif
+
+#define MAX_LENGTH (MAX_OFFSET + MAX_TEST + MAX_EXTRA + 2)
+
+static union {
+ unsigned char buf[MAX_LENGTH];
+ long long align_int;
+ long double align_fp;
+} u1, u2;
+
+void
+test (const unsigned char *s1, const unsigned char *s2, int expected)
+{
+ int value = strcmp ((char *) s1, (char *) s2);
+
+ if (expected < 0 && value >= 0)
+ abort ();
+ else if (expected == 0 && value != 0)
+ abort ();
+ else if (expected > 0 && value <= 0)
+ abort ();
+}
+
+main ()
+{
+ size_t off1, off2, len, i;
+ unsigned char *buf1, *buf2;
+ unsigned char *mod1, *mod2;
+ unsigned char *p1, *p2;
+
+ for (off1 = 0; off1 < MAX_OFFSET; off1++)
+ for (off2 = 0; off2 < MAX_OFFSET; off2++)
+ for (len = 0; len < MAX_TEST; len++)
+ {
+ p1 = u1.buf;
+ for (i = 0; i < off1; i++)
+ *p1++ = '\0';
+
+ buf1 = p1;
+ for (i = 0; i < len; i++)
+ *p1++ = 'a';
+
+ mod1 = p1;
+ for (i = 0; i < MAX_EXTRA+2; i++)
+ *p1++ = 'x';
+
+ p2 = u2.buf;
+ for (i = 0; i < off2; i++)
+ *p2++ = '\0';
+
+ buf2 = p2;
+ for (i = 0; i < len; i++)
+ *p2++ = 'a';
+
+ mod2 = p2;
+ for (i = 0; i < MAX_EXTRA+2; i++)
+ *p2++ = 'x';
+
+ mod1[0] = '\0';
+ mod2[0] = '\0';
+ test (buf1, buf2, 0);
+
+ mod1[0] = 'a';
+ mod1[1] = '\0';
+ mod2[0] = '\0';
+ test (buf1, buf2, +1);
+
+ mod1[0] = '\0';
+ mod2[0] = 'a';
+ mod2[1] = '\0';
+ test (buf1, buf2, -1);
+
+ mod1[0] = 'b';
+ mod1[1] = '\0';
+ mod2[0] = 'c';
+ mod2[1] = '\0';
+ test (buf1, buf2, -1);
+
+ mod1[0] = 'c';
+ mod1[1] = '\0';
+ mod2[0] = 'b';
+ mod2[1] = '\0';
+ test (buf1, buf2, +1);
+
+ mod1[0] = 'b';
+ mod1[1] = '\0';
+ mod2[0] = (unsigned char)'\251';
+ mod2[1] = '\0';
+ test (buf1, buf2, -1);
+
+ mod1[0] = (unsigned char)'\251';
+ mod1[1] = '\0';
+ mod2[0] = 'b';
+ mod2[1] = '\0';
+ test (buf1, buf2, +1);
+
+ mod1[0] = (unsigned char)'\251';
+ mod1[1] = '\0';
+ mod2[0] = (unsigned char)'\252';
+ mod2[1] = '\0';
+ test (buf1, buf2, -1);
+
+ mod1[0] = (unsigned char)'\252';
+ mod1[1] = '\0';
+ mod2[0] = (unsigned char)'\251';
+ mod2[1] = '\0';
+ test (buf1, buf2, +1);
+ }
+
+ exit (0);
+}
--- /dev/null
+/* Copyright (C) 2002 Free Software Foundation.
+
+ Test strlen with various combinations of pointer alignments and lengths to
+ make sure any optimizations in the library are correct.
+
+ Written by Michael Meissner, March 9, 2002. */
+
+#include <string.h>
+#include <stddef.h>
+
+#ifndef MAX_OFFSET
+#define MAX_OFFSET (sizeof (long long))
+#endif
+
+#ifndef MAX_TEST
+#define MAX_TEST (8 * sizeof (long long))
+#endif
+
+#ifndef MAX_EXTRA
+#define MAX_EXTRA (sizeof (long long))
+#endif
+
+#define MAX_LENGTH (MAX_OFFSET + MAX_TEST + MAX_EXTRA + 1)
+
+static union {
+ char buf[MAX_LENGTH];
+ long long align_int;
+ long double align_fp;
+} u;
+
+main ()
+{
+ size_t off, len, len2, i;
+ char *p;
+
+ for (off = 0; off < MAX_OFFSET; off++)
+ for (len = 0; len < MAX_TEST; len++)
+ {
+ p = u.buf;
+ for (i = 0; i < off; i++)
+ *p++ = '\0';
+
+ for (i = 0; i < len; i++)
+ *p++ = 'a';
+
+ *p++ = '\0';
+ for (i = 0; i < MAX_EXTRA; i++)
+ *p++ = 'b';
+
+ p = u.buf + off;
+ len2 = strlen (p);
+ if (len != len2)
+ abort ();
+ }
+
+ exit (0);
+}
--- /dev/null
+/* Copyright (C) 2002 Free Software Foundation.
+
+ Test strncmp with various combinations of pointer alignments and lengths to
+ make sure any optimizations in the library are correct.
+
+ Written by Michael Meissner, March 9, 2002. */
+
+#include <string.h>
+#include <stddef.h>
+
+#ifndef MAX_OFFSET
+#define MAX_OFFSET (sizeof (long long))
+#endif
+
+#ifndef MAX_TEST
+#define MAX_TEST (8 * sizeof (long long))
+#endif
+
+#ifndef MAX_EXTRA
+#define MAX_EXTRA (sizeof (long long))
+#endif
+
+#define MAX_LENGTH (MAX_OFFSET + MAX_TEST + MAX_EXTRA)
+
+static union {
+ unsigned char buf[MAX_LENGTH];
+ long long align_int;
+ long double align_fp;
+} u1, u2;
+
+void
+test (const unsigned char *s1, const unsigned char *s2, size_t len, int expected)
+{
+ int value = strncmp ((char *) s1, (char *) s2, len);
+
+ if (expected < 0 && value >= 0)
+ abort ();
+ else if (expected == 0 && value != 0)
+ abort ();
+ else if (expected > 0 && value <= 0)
+ abort ();
+}
+
+main ()
+{
+ size_t off1, off2, len, i;
+ unsigned char *buf1, *buf2;
+ unsigned char *mod1, *mod2;
+ unsigned char *p1, *p2;
+
+ for (off1 = 0; off1 < MAX_OFFSET; off1++)
+ for (off2 = 0; off2 < MAX_OFFSET; off2++)
+ for (len = 0; len < MAX_TEST; len++)
+ {
+ p1 = u1.buf;
+ for (i = 0; i < off1; i++)
+ *p1++ = '\0';
+
+ buf1 = p1;
+ for (i = 0; i < len; i++)
+ *p1++ = 'a';
+
+ mod1 = p1;
+ for (i = 0; i < MAX_EXTRA; i++)
+ *p1++ = 'x';
+
+ p2 = u2.buf;
+ for (i = 0; i < off2; i++)
+ *p2++ = '\0';
+
+ buf2 = p2;
+ for (i = 0; i < len; i++)
+ *p2++ = 'a';
+
+ mod2 = p2;
+ for (i = 0; i < MAX_EXTRA; i++)
+ *p2++ = 'x';
+
+ mod1[0] = '\0';
+ mod2[0] = '\0';
+ test (buf1, buf2, MAX_LENGTH, 0);
+ test (buf1, buf2, len, 0);
+
+ mod1[0] = 'a';
+ mod1[1] = '\0';
+ mod2[0] = '\0';
+ test (buf1, buf2, MAX_LENGTH, +1);
+ test (buf1, buf2, len, 0);
+
+ mod1[0] = '\0';
+ mod2[0] = 'a';
+ mod2[1] = '\0';
+ test (buf1, buf2, MAX_LENGTH, -1);
+ test (buf1, buf2, len, 0);
+
+ mod1[0] = 'b';
+ mod1[1] = '\0';
+ mod2[0] = 'c';
+ mod2[1] = '\0';
+ test (buf1, buf2, MAX_LENGTH, -1);
+ test (buf1, buf2, len, 0);
+
+ mod1[0] = 'c';
+ mod1[1] = '\0';
+ mod2[0] = 'b';
+ mod2[1] = '\0';
+ test (buf1, buf2, MAX_LENGTH, +1);
+ test (buf1, buf2, len, 0);
+
+ mod1[0] = 'b';
+ mod1[1] = '\0';
+ mod2[0] = (unsigned char)'\251';
+ mod2[1] = '\0';
+ test (buf1, buf2, MAX_LENGTH, -1);
+ test (buf1, buf2, len, 0);
+
+ mod1[0] = (unsigned char)'\251';
+ mod1[1] = '\0';
+ mod2[0] = 'b';
+ mod2[1] = '\0';
+ test (buf1, buf2, MAX_LENGTH, +1);
+ test (buf1, buf2, len, 0);
+
+ mod1[0] = (unsigned char)'\251';
+ mod1[1] = '\0';
+ mod2[0] = (unsigned char)'\252';
+ mod2[1] = '\0';
+ test (buf1, buf2, MAX_LENGTH, -1);
+ test (buf1, buf2, len, 0);
+
+ mod1[0] = (unsigned char)'\252';
+ mod1[1] = '\0';
+ mod2[0] = (unsigned char)'\251';
+ mod2[1] = '\0';
+ test (buf1, buf2, MAX_LENGTH, +1);
+ test (buf1, buf2, len, 0);
+ }
+
+ exit (0);
+}
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