gcc/testsuite/gcc.target/spu/muldivti3.c

   1 /* { dg-do run } */
   2 /* { dg-options "-std=c99" } */
   3 #include <stdlib.h>
   4 typedef unsigned int uqword __attribute__((mode(TI)));
   5 typedef int qword __attribute__((mode(TI)));
   6
   7 typedef union
   8 {
   9   uqword                uq;
  10   qword                 q;
  11   unsigned long long    ull[2];
  12 } u;
  13
  14 int main(void)
  15 {
  16   uqword e, f;
  17   qword g, h;
  18
  19   e = 0x1111111111111111ULL;
  20   f = 0xFULL;
  21   g = 0x0000000000111100ULL;
  22   h = 0x0000000000000000ULL;
  23
  24   u m, n, o, p, q;
  25
  26   m.ull[0] = f;
  27   m.ull[1] = e;
  28   n.ull[0] = h;
  29   n.ull[1] = g;
  30
  31   /* __multi3  */
  32   o.q = m.q * n.q;
  33
  34   o.q = o.q + n.q + 0x1110FF;
  35   /* __udivti3, __umodti3  */
  36   p.uq = o.uq / n.uq;
  37   q.uq = o.uq % n.uq;
  38   if (p.uq != (m.uq+1)) abort();
  39   if (q.uq != 0x1110FF) abort();
  40   /* __divti3, __modti3  */
  41   p.q = -o.q / n.q;
  42   q.q = -o.q % n.q;
  43   if ((-p.q * n.q - q.q) != o.q) abort();
  44
  45   return 0;
  46 }