gcc/testsuite/gcc.target/powerpc/fold-vec-sub-char.c

   1 /* Verify that overloaded built-ins for vec_sub with char
   2    inputs produce the right results.  */
   3
   4 /* { dg-do compile } */
   5 /* { dg-require-effective-target powerpc_altivec_ok } */
   6 /* { dg-options "-maltivec" } */
   7
   8 #include <altivec.h>
   9
  10 vector signed char
  11 test1 (vector bool char x, vector signed char y)
  12 {
  13   return vec_sub (x, y);
  14 }
  15
  16 vector signed char
  17 test2 (vector signed char x, vector bool char y)
  18 {
  19   return vec_sub (x, y);
  20 }
  21
  22 vector signed char
  23 test3 (vector signed char x, vector signed char y)
  24 {
  25   return vec_sub (x, y);
  26 }
  27
  28 vector unsigned char
  29 test4 (vector bool char x, vector unsigned char y)
  30 {
  31   return vec_sub (x, y);
  32 }
  33
  34 vector unsigned char
  35 test5 (vector unsigned char x, vector bool char y)
  36 {
  37   return vec_sub (x, y);
  38 }
  39
  40 vector unsigned char
  41 test6 (vector unsigned char x, vector unsigned char y)
  42 {
  43   return vec_sub (x, y);
  44 }
  45
  46 /* { dg-final { scan-assembler-times "vsububm" 6 } } */