1 /* { dg-do compile } */
2 /* { dg-require-effective-target ia32 } */
3 /* { dg-options "-O2 -march=k6" } */
4
5 static inline void *
baz(void * s,unsigned long c,unsigned int count)6 baz (void *s, unsigned long c, unsigned int count)
7 {
8 int d0, d1;
9 __asm__ __volatile__ (""
10 : "=&c" (d0), "=&D" (d1)
11 :"a" (c), "q" (count), "0" (count / 4), "1" ((long) s)
12 :"memory");
13 return s;
14 }
15
16 struct A
17 {
18 unsigned long *a;
19 };
20
21 inline static void *
bar(struct A * x,int y)22 bar (struct A *x, int y)
23 {
24 char *ptr;
25
26 ptr = (void *) x->a[y >> 12];
27 ptr += y % (1UL << 12);
28 return (void *) ptr;
29 }
30
31 int
foo(struct A * x,unsigned int * y,int z,int u)32 foo (struct A *x, unsigned int *y, int z, int u)
33 {
34 int a, b, c, d, e;
35
36 z += *y;
37 c = z + u;
38 a = (z >> 12) + 1;
39 do
40 {
41 b = (a << 12);
42 d = b - z;
43 e = c - z;
44 if (e < d)
45 d = e;
46 baz (bar (x, z), 0, d);
47 z = b;
48 a++;
49 }
50 while (z < c);
51 return 0;
52 }
53