blob: 89b570d750adc87a3ff7ddbdbc903383f56b5dd0 [file] [log] [blame]
/* { dg-do compile { target i?86-*-* } } */
/* { dg-skip-if "" { i?86-*-* } { "-m64" } { "" } } */
/* { dg-options "-mpreferred-stack-boundary=2 -march=i586 -O2 -fomit-frame-pointer" } */
extern void *foo(void *a, const void *b, unsigned c);
extern inline void *
bar(void *a, const void *b, unsigned c)
{
int d0, d1, d2;
__asm__ __volatile__(
"" :
"=&c" (d0), "=&D" (d1), "=&S" (d2) :
"0" (c/4), "q" (c), "1" (a), "2" (b) :
"memory");
return a;
}
typedef struct {
unsigned char a;
unsigned b : 2;
unsigned c : 4;
unsigned d : 2;
} *baz;
static int
dead(unsigned short *v, char *w, unsigned char *x, int y, int z)
{
int i = 0;
unsigned short j = *v;
while (y > 0) {
((baz)x)->a = j;
((baz)x)->b = 0;
((baz)x)->c = 0;
((baz)x)->d = 0;
__builtin_constant_p(i) ? foo(x, w, i) : bar(x, w, i);
}
return z - y;
}