gcc/testsuite/gcc.target/powerpc/fold-vec-mule-misc.c

   1 /* PR target/79941 */
   2
   3 /* { dg-do run } */
   4 /* { dg-require-effective-target powerpc_altivec_ok } */
   5 /* { dg-options "-maltivec -O2 -save-temps" } */
   6
   7 #include <altivec.h>
   8
   9 __attribute__((noinline)) void
  10 test_eub_char ()
  11 {
  12   volatile vector unsigned char v0 = {1, 0, 0, 0, 0, 0, 0, 0};
  13   volatile vector unsigned char v1 = {0xff, 0, 0, 0, 0, 0, 0, 0};
  14   vector unsigned short res = vec_vmuleub (v0, v1);
  15   if (res[0] != (unsigned short)v0[0] * (unsigned short)v1[0])
  16     __builtin_abort ();
  17 }
  18
  19 __attribute__((noinline)) void
  20 test_oub_char ()
  21 {
  22   volatile vector unsigned char v0 = {0, 1, 0, 0, 0, 0, 0, 0};
  23   volatile vector unsigned char v1 = {0, 0xff, 0, 0, 0, 0, 0, 0};
  24   vector unsigned short res = vec_vmuloub (v0, v1);
  25   if (res[0] != (unsigned short)v0[1] * (unsigned short)v1[1])
  26     __builtin_abort ();
  27 }
  28
  29 __attribute__((noinline)) void
  30 test_euh_short ()
  31 {
  32   volatile vector unsigned short v0 = {1, 0, 0, 0};
  33   volatile vector unsigned short v1 = {0xff, 0, 0, 0};
  34   vector unsigned int res = vec_vmuleuh (v0, v1);
  35   if (res[0] != (unsigned int)v0[0] * (unsigned int)v1[0])
  36     __builtin_abort ();
  37 }
  38
  39 __attribute__((noinline)) void
  40 test_ouh_short ()
  41 {
  42   volatile vector unsigned short v0 = {0, 1, 0, 0};
  43   volatile vector unsigned short v1 = {0, 0xff, 0, 0};
  44   vector unsigned int res = vec_vmulouh (v0, v1);
  45   if (res[0] != (unsigned int)v0[1] * (unsigned int)v1[1])
  46     __builtin_abort ();
  47 }
  48
  49 int main ()
  50 {
  51   test_eub_char();
  52   test_oub_char();
  53   test_euh_short();
  54   test_ouh_short();
  55 }
  56
  57 /* { dg-final { scan-assembler-times "vmuleub" 1 } } */
  58 /* { dg-final { scan-assembler-times "vmuloub" 1 } } */
  59 /* { dg-final { scan-assembler-times "vmuleuh" 1 } } */
  60 /* { dg-final { scan-assembler-times "vmulouh" 1 } } */
  61