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/* PR rtl-optimization/33552 */
/* { dg-do run } */
/* { dg-options "-O2" } */
extern void abort (void);
void
__attribute__((noinline))
foo (unsigned long *wp, unsigned long *up, long un, unsigned long *vp)
{
long j;
unsigned long prod_low, prod_high;
unsigned long cy_dig;
unsigned long v_limb;
v_limb = vp[0];
cy_dig = 64;
for (j = un; j > 0; j--)
{
unsigned long u_limb, w_limb;
u_limb = *up++;
__asm__ (""
: "=r" (prod_low), "=r" (prod_high)
: "0" (u_limb), "1" (v_limb));
__asm__ ("mov %5, %1; add %5, %0"
: "=r" (cy_dig), "=&r" (w_limb)
: "0" (prod_high), "rm" (0), "1" (prod_low), "rm" (cy_dig));
*wp++ = w_limb;
}
}
int
main (void)
{
unsigned long wp[4];
unsigned long up[4] = { 0x1248, 0x248a, 0x1745, 0x1853 };
unsigned long vp = 0xdead;
foo (wp, up, 4, &vp);
if (wp[0] != 0x40 || wp[1] != 0xdeed || wp[2] != 0x1bd9a || wp[3] != 0x29c47)
abort ();
return 0;
}
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