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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [i386/] [memset-1.c] - Rev 329
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/* Copyright (C) 2002, 2005 Free Software Foundation. Test -minline-all-stringops memset with various combinations of pointer alignments and lengths to make sure builtin optimizations are correct. PR target/6456. Written by Michael Meissner, March 9, 2002. Target by Roger Sayle, April 25, 2002. */ /* { dg-do run } */ /* { dg-options "-O2 -minline-all-stringops" } */ extern void *memset (void *, int, __SIZE_TYPE__); extern void abort (void); extern void exit (int); #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); }
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