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/* { dg-do run } */
/* { dg-options "-O2 -mARC700 --save-temps -mno-mpy" } */
#include <stdlib.h>
/* Hide value propagation from the optimizers. */
static int
id (int i)
{
asm ("": "+Xr" (i));
return i;
}
static int
mulhigh (unsigned a, unsigned b)
{
return (unsigned long long) a * b >> 32;
}
int
main (void)
{
if (mulhigh (id (0x12345678), id (0x90abcdef)) != 0xa49a83e)
abort ();
return 0;
}
/* { dg-final { scan-assembler-not "mpyhu\[ \t\]" } } */
/* { dg-final { scan-assembler-not "@__muldi3" } } */
/* { dg-final { scan-assembler "@__umulsi3_highpart" } } */
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