URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [pr37573.c] - Rev 688
Compare with Previous | Blame | View Log
/* PR tree-optimization/37573 */ struct S { unsigned int *a; unsigned int b; unsigned int c[624]; }; static unsigned char __attribute__((noinline)) foo (struct S *s) { unsigned int r; if (!--s->b) { unsigned int *c = s->c; unsigned int i; s->a = c; for (i = 0; i < 227; i++) c[i] = ((((c[i] ^ c[i + 1]) & 0x7ffffffe) ^ c[i]) >> 1) ^ ((0 - (c[i + 1] & 1)) & 0x9908b0df) ^ c[i + 397]; } r = *(s->a++); r ^= (r >> 11); r ^= ((r & 0xff3a58ad) << 7); r ^= ((r & 0xffffdf8c) << 15); r ^= (r >> 18); return (unsigned char) (r >> 1); } static void __attribute__((noinline)) bar (unsigned char *p, unsigned int q, unsigned int r) { struct S s; unsigned int i; unsigned int *c = s.c; *c = r; for (i = 1; i < 624; i++) c[i] = i + 0x6c078965 * ((c[i - 1] >> 30) ^ c[i - 1]); s.b = 1; while (q--) *p++ ^= foo (&s); }; static unsigned char p[23] = { 0xc0, 0x49, 0x17, 0x32, 0x62, 0x1e, 0x2e, 0xd5, 0x4c, 0x19, 0x28, 0x49, 0x91, 0xe4, 0x72, 0x83, 0x91, 0x3d, 0x93, 0x83, 0xb3, 0x61, 0x38 }; static unsigned char q[23] = { 0x3e, 0x41, 0x55, 0x54, 0x4f, 0x49, 0x54, 0x20, 0x55, 0x4e, 0x49, 0x43, 0x4f, 0x44, 0x45, 0x20, 0x53, 0x43, 0x52, 0x49, 0x50, 0x54, 0x3c }; int main (void) { unsigned int s; s = 23; bar (p, s, s + 0xa25e); if (__builtin_memcmp (p, q, s) != 0) __builtin_abort (); return 0; }