1 /* Copyright (C) 2002 Free Software Foundation.
3 Test -minline-all-stringops memset with various combinations of pointer
4 alignments and lengths to make sure builtin optimizations are correct.
7 Written by Michael Meissner, March 9, 2002.
8 Target by Roger Sayle, April 25, 2002. */
10 /* { dg-do run { target "i?86-*-*" } } */
11 /* { dg-options "-O2 -minline-all-stringops" } */
14 #define MAX_OFFSET (sizeof (long long))
18 #define MAX_COPY (8 * sizeof (long long))
22 #define MAX_EXTRA (sizeof (long long))
25 #define MAX_LENGTH (MAX_OFFSET + MAX_COPY + MAX_EXTRA)
40 for (off = 0; off < MAX_OFFSET; off++)
41 for (len = 1; len < MAX_COPY; len++)
43 for (i = 0; i < MAX_LENGTH; i++)
46 p = memset (u.buf + off, '\0', len);
51 for (i = 0; i < off; i++, q++)
55 for (i = 0; i < len; i++, q++)
59 for (i = 0; i < MAX_EXTRA; i++, q++)
63 p = memset (u.buf + off, A, len);
68 for (i = 0; i < off; i++, q++)
72 for (i = 0; i < len; i++, q++)
76 for (i = 0; i < MAX_EXTRA; i++, q++)
80 p = memset (u.buf + off, 'B', len);
85 for (i = 0; i < off; i++, q++)
89 for (i = 0; i < len; i++, q++)
93 for (i = 0; i < MAX_EXTRA; i++, q++)