Add memcpy/memset/strlen/strcmp/strncmp tests
From-SVN: r50507
This commit is contained in:
parent
2877e0aede
commit
a012ba7327
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@ -1,3 +1,11 @@
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2002-03-09 Michael Meissner <meissner@redhat.com>
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* gcc.c-torture/execute/memcpy-2.c: New test.
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* gcc.c-torture/execute/memset-1.c: New test.
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* gcc.c-torture/execute/strlen-1.c: New test.
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* gcc.c-torture/execute/strcmp-1.c: New test.
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* gcc.c-torture/execute/strncmp-1.c: New test.
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2002-03-09 Geoffrey Keating <geoffk@redhat.com>
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* gcc.dg/ppc-ldstruct.c: New test.
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/* Copyright (C) 2002 Free Software Foundation.
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Test memcpy with various combinations of pointer alignments and lengths to
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make sure any optimizations in the library are correct.
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Written by Michael Meissner, March 9, 2002. */
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#include <string.h>
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#ifndef MAX_OFFSET
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#define MAX_OFFSET (sizeof (long long))
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#endif
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#ifndef MAX_COPY
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#define MAX_COPY (8 * sizeof (long long))
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#endif
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#ifndef MAX_EXTRA
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#define MAX_EXTRA (sizeof (long long))
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#endif
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#define MAX_LENGTH (MAX_OFFSET + MAX_COPY + MAX_EXTRA)
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static union {
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char buf[MAX_LENGTH];
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long long align_int;
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long double align_fp;
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} u1, u2;
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main ()
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{
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int off1, off2, len, i;
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char *p, *q;
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for (off1 = 0; off1 < MAX_OFFSET; off1++)
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for (off2 = 0; off2 < MAX_OFFSET; off2++)
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for (len = 1; len < MAX_COPY; len++)
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{
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for (i = 0; i < MAX_LENGTH; i++)
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{
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u1.buf[i] = 'a';
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u2.buf[i] = 'A';
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}
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p = memcpy (u1.buf + off1, u2.buf + off2, len);
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if (p != u1.buf + off1)
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abort ();
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q = u1.buf;
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for (i = 0; i < off1; i++, q++)
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if (*q != 'a')
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abort ();
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for (i = 0; i < len; i++, q++)
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if (*q != 'A')
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abort ();
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for (i = 0; i < MAX_EXTRA; i++, q++)
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if (*q != 'a')
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abort ();
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}
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exit (0);
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}
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@ -0,0 +1,96 @@
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/* Copyright (C) 2002 Free Software Foundation.
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Test memset with various combinations of pointer alignments and lengths to
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make sure any optimizations in the library are correct.
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Written by Michael Meissner, March 9, 2002. */
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#include <string.h>
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#ifndef MAX_OFFSET
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#define MAX_OFFSET (sizeof (long long))
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#endif
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#ifndef MAX_COPY
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#define MAX_COPY (8 * sizeof (long long))
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#endif
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#ifndef MAX_EXTRA
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#define MAX_EXTRA (sizeof (long long))
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#endif
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#define MAX_LENGTH (MAX_OFFSET + MAX_COPY + MAX_EXTRA)
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static union {
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char buf[MAX_LENGTH];
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long long align_int;
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long double align_fp;
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} u;
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char A = 'A';
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main ()
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{
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int off, len, i;
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char *p, *q;
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for (off = 0; off < MAX_OFFSET; off++)
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for (len = 1; len < MAX_COPY; len++)
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{
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for (i = 0; i < MAX_LENGTH; i++)
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u.buf[i] = 'a';
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p = memset (u.buf + off, '\0', len);
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if (p != u.buf + off)
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abort ();
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q = u.buf;
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for (i = 0; i < off; i++, q++)
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if (*q != 'a')
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abort ();
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for (i = 0; i < len; i++, q++)
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if (*q != '\0')
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abort ();
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for (i = 0; i < MAX_EXTRA; i++, q++)
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if (*q != 'a')
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abort ();
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p = memset (u.buf + off, A, len);
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if (p != u.buf + off)
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abort ();
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q = u.buf;
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for (i = 0; i < off; i++, q++)
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if (*q != 'a')
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abort ();
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for (i = 0; i < len; i++, q++)
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if (*q != 'A')
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abort ();
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for (i = 0; i < MAX_EXTRA; i++, q++)
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if (*q != 'a')
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abort ();
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p = memset (u.buf + off, 'B', len);
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if (p != u.buf + off)
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abort ();
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q = u.buf;
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for (i = 0; i < off; i++, q++)
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if (*q != 'a')
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abort ();
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for (i = 0; i < len; i++, q++)
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if (*q != 'B')
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abort ();
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for (i = 0; i < MAX_EXTRA; i++, q++)
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if (*q != 'a')
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abort ();
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}
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exit (0);
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}
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/* Copyright (C) 2002 Free Software Foundation.
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Test strcmp with various combinations of pointer alignments and lengths to
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make sure any optimizations in the library are correct.
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Written by Michael Meissner, March 9, 2002. */
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#include <string.h>
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#include <stddef.h>
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#ifndef MAX_OFFSET
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#define MAX_OFFSET (sizeof (long long))
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#endif
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#ifndef MAX_TEST
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#define MAX_TEST (8 * sizeof (long long))
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#endif
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#ifndef MAX_EXTRA
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#define MAX_EXTRA (sizeof (long long))
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#endif
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#define MAX_LENGTH (MAX_OFFSET + MAX_TEST + MAX_EXTRA + 2)
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static union {
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unsigned char buf[MAX_LENGTH];
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long long align_int;
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long double align_fp;
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} u1, u2;
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void
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test (const unsigned char *s1, const unsigned char *s2, int expected)
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{
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int value = strcmp ((char *) s1, (char *) s2);
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if (expected < 0 && value >= 0)
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abort ();
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else if (expected == 0 && value != 0)
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abort ();
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else if (expected > 0 && value <= 0)
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abort ();
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}
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main ()
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{
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size_t off1, off2, len, i;
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unsigned char *buf1, *buf2;
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unsigned char *mod1, *mod2;
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unsigned char *p1, *p2;
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for (off1 = 0; off1 < MAX_OFFSET; off1++)
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for (off2 = 0; off2 < MAX_OFFSET; off2++)
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for (len = 0; len < MAX_TEST; len++)
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{
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p1 = u1.buf;
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for (i = 0; i < off1; i++)
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*p1++ = '\0';
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buf1 = p1;
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for (i = 0; i < len; i++)
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*p1++ = 'a';
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mod1 = p1;
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for (i = 0; i < MAX_EXTRA+2; i++)
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*p1++ = 'x';
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p2 = u2.buf;
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for (i = 0; i < off2; i++)
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*p2++ = '\0';
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buf2 = p2;
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for (i = 0; i < len; i++)
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*p2++ = 'a';
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mod2 = p2;
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for (i = 0; i < MAX_EXTRA+2; i++)
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*p2++ = 'x';
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mod1[0] = '\0';
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mod2[0] = '\0';
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test (buf1, buf2, 0);
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mod1[0] = 'a';
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mod1[1] = '\0';
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mod2[0] = '\0';
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test (buf1, buf2, +1);
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mod1[0] = '\0';
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mod2[0] = 'a';
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mod2[1] = '\0';
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test (buf1, buf2, -1);
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mod1[0] = 'b';
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mod1[1] = '\0';
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mod2[0] = 'c';
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mod2[1] = '\0';
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test (buf1, buf2, -1);
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mod1[0] = 'c';
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mod1[1] = '\0';
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mod2[0] = 'b';
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mod2[1] = '\0';
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test (buf1, buf2, +1);
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mod1[0] = 'b';
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mod1[1] = '\0';
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mod2[0] = (unsigned char)'\251';
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mod2[1] = '\0';
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test (buf1, buf2, -1);
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mod1[0] = (unsigned char)'\251';
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mod1[1] = '\0';
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mod2[0] = 'b';
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mod2[1] = '\0';
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test (buf1, buf2, +1);
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mod1[0] = (unsigned char)'\251';
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mod1[1] = '\0';
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mod2[0] = (unsigned char)'\252';
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mod2[1] = '\0';
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test (buf1, buf2, -1);
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mod1[0] = (unsigned char)'\252';
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mod1[1] = '\0';
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mod2[0] = (unsigned char)'\251';
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mod2[1] = '\0';
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test (buf1, buf2, +1);
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}
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exit (0);
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}
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@ -0,0 +1,57 @@
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/* Copyright (C) 2002 Free Software Foundation.
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Test strlen with various combinations of pointer alignments and lengths to
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make sure any optimizations in the library are correct.
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Written by Michael Meissner, March 9, 2002. */
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#include <string.h>
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#include <stddef.h>
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#ifndef MAX_OFFSET
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#define MAX_OFFSET (sizeof (long long))
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#endif
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#ifndef MAX_TEST
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#define MAX_TEST (8 * sizeof (long long))
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#endif
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#ifndef MAX_EXTRA
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#define MAX_EXTRA (sizeof (long long))
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#endif
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#define MAX_LENGTH (MAX_OFFSET + MAX_TEST + MAX_EXTRA + 1)
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static union {
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char buf[MAX_LENGTH];
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long long align_int;
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long double align_fp;
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} u;
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main ()
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{
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size_t off, len, len2, i;
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char *p;
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for (off = 0; off < MAX_OFFSET; off++)
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for (len = 0; len < MAX_TEST; len++)
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{
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p = u.buf;
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for (i = 0; i < off; i++)
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*p++ = '\0';
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for (i = 0; i < len; i++)
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*p++ = 'a';
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*p++ = '\0';
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for (i = 0; i < MAX_EXTRA; i++)
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*p++ = 'b';
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p = u.buf + off;
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len2 = strlen (p);
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if (len != len2)
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abort ();
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}
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exit (0);
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}
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/* Copyright (C) 2002 Free Software Foundation.
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Test strncmp with various combinations of pointer alignments and lengths to
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make sure any optimizations in the library are correct.
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Written by Michael Meissner, March 9, 2002. */
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#include <string.h>
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#include <stddef.h>
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#ifndef MAX_OFFSET
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#define MAX_OFFSET (sizeof (long long))
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#endif
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#ifndef MAX_TEST
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#define MAX_TEST (8 * sizeof (long long))
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#endif
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#ifndef MAX_EXTRA
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#define MAX_EXTRA (sizeof (long long))
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#endif
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#define MAX_LENGTH (MAX_OFFSET + MAX_TEST + MAX_EXTRA)
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static union {
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unsigned char buf[MAX_LENGTH];
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long long align_int;
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long double align_fp;
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} u1, u2;
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void
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test (const unsigned char *s1, const unsigned char *s2, size_t len, int expected)
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{
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int value = strncmp ((char *) s1, (char *) s2, len);
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if (expected < 0 && value >= 0)
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abort ();
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else if (expected == 0 && value != 0)
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abort ();
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else if (expected > 0 && value <= 0)
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abort ();
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}
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main ()
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{
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size_t off1, off2, len, i;
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unsigned char *buf1, *buf2;
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unsigned char *mod1, *mod2;
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unsigned char *p1, *p2;
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for (off1 = 0; off1 < MAX_OFFSET; off1++)
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for (off2 = 0; off2 < MAX_OFFSET; off2++)
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for (len = 0; len < MAX_TEST; len++)
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{
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p1 = u1.buf;
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for (i = 0; i < off1; i++)
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*p1++ = '\0';
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buf1 = p1;
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for (i = 0; i < len; i++)
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*p1++ = 'a';
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mod1 = p1;
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for (i = 0; i < MAX_EXTRA; i++)
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*p1++ = 'x';
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p2 = u2.buf;
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for (i = 0; i < off2; i++)
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*p2++ = '\0';
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buf2 = p2;
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for (i = 0; i < len; i++)
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*p2++ = 'a';
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mod2 = p2;
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for (i = 0; i < MAX_EXTRA; i++)
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*p2++ = 'x';
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mod1[0] = '\0';
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mod2[0] = '\0';
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test (buf1, buf2, MAX_LENGTH, 0);
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test (buf1, buf2, len, 0);
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mod1[0] = 'a';
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mod1[1] = '\0';
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mod2[0] = '\0';
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test (buf1, buf2, MAX_LENGTH, +1);
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test (buf1, buf2, len, 0);
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mod1[0] = '\0';
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mod2[0] = 'a';
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mod2[1] = '\0';
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test (buf1, buf2, MAX_LENGTH, -1);
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test (buf1, buf2, len, 0);
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mod1[0] = 'b';
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mod1[1] = '\0';
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mod2[0] = 'c';
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mod2[1] = '\0';
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test (buf1, buf2, MAX_LENGTH, -1);
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test (buf1, buf2, len, 0);
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mod1[0] = 'c';
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mod1[1] = '\0';
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mod2[0] = 'b';
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mod2[1] = '\0';
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test (buf1, buf2, MAX_LENGTH, +1);
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test (buf1, buf2, len, 0);
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mod1[0] = 'b';
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mod1[1] = '\0';
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mod2[0] = (unsigned char)'\251';
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mod2[1] = '\0';
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test (buf1, buf2, MAX_LENGTH, -1);
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test (buf1, buf2, len, 0);
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mod1[0] = (unsigned char)'\251';
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mod1[1] = '\0';
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mod2[0] = 'b';
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mod2[1] = '\0';
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test (buf1, buf2, MAX_LENGTH, +1);
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test (buf1, buf2, len, 0);
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mod1[0] = (unsigned char)'\251';
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mod1[1] = '\0';
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mod2[0] = (unsigned char)'\252';
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mod2[1] = '\0';
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test (buf1, buf2, MAX_LENGTH, -1);
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test (buf1, buf2, len, 0);
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mod1[0] = (unsigned char)'\252';
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mod1[1] = '\0';
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mod2[0] = (unsigned char)'\251';
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mod2[1] = '\0';
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test (buf1, buf2, MAX_LENGTH, +1);
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test (buf1, buf2, len, 0);
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}
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exit (0);
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}
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