1*c87b03e5Sespie /* { dg-do compile { target i?86-*-* } } */
2*c87b03e5Sespie /* { dg-options "-mpreferred-stack-boundary=2 -march=i586 -O2 -fomit-frame-pointer" } */
3*c87b03e5Sespie
4*c87b03e5Sespie extern void *foo(void *a, const void *b, unsigned c);
5*c87b03e5Sespie
6*c87b03e5Sespie extern inline void *
bar(void * a,const void * b,unsigned c)7*c87b03e5Sespie bar(void *a, const void *b, unsigned c)
8*c87b03e5Sespie {
9*c87b03e5Sespie int d0, d1, d2;
10*c87b03e5Sespie __asm__ __volatile__(
11*c87b03e5Sespie "" :
12*c87b03e5Sespie "=&c" (d0), "=&D" (d1), "=&S" (d2) :
13*c87b03e5Sespie "0" (c/4), "q" (c), "1" (a), "2" (b) :
14*c87b03e5Sespie "memory");
15*c87b03e5Sespie return a;
16*c87b03e5Sespie }
17*c87b03e5Sespie
18*c87b03e5Sespie typedef struct {
19*c87b03e5Sespie unsigned char a;
20*c87b03e5Sespie unsigned b : 2;
21*c87b03e5Sespie unsigned c : 4;
22*c87b03e5Sespie unsigned d : 2;
23*c87b03e5Sespie } *baz;
24*c87b03e5Sespie
25*c87b03e5Sespie static int
dead(unsigned short * v,char * w,unsigned char * x,int y,int z)26*c87b03e5Sespie dead(unsigned short *v, char *w, unsigned char *x, int y, int z)
27*c87b03e5Sespie {
28*c87b03e5Sespie int i = 0;
29*c87b03e5Sespie unsigned short j = *v;
30*c87b03e5Sespie
31*c87b03e5Sespie while (y > 0) {
32*c87b03e5Sespie ((baz)x)->a = j;
33*c87b03e5Sespie ((baz)x)->b = 0;
34*c87b03e5Sespie ((baz)x)->c = 0;
35*c87b03e5Sespie ((baz)x)->d = 0;
36*c87b03e5Sespie __builtin_constant_p(i) ? foo(x, w, i) : bar(x, w, i);
37*c87b03e5Sespie }
38*c87b03e5Sespie return z - y;
39*c87b03e5Sespie }
40