gcc/testsuite/gcc.target/powerpc/fold-vec-shift-left-fwrapv.c

   1 /* Verify that overloaded built-ins for vec_sl produce the right results.  */
   2 /* This test covers the shift left tests with the -fwrapv option. */
   3
   4 /* { dg-do compile } */
   5 /* { dg-require-effective-target powerpc_altivec_ok } */
   6 /* { dg-options "-maltivec -O2 -fwrapv" } */
   7
   8 #include <altivec.h>
   9
  10 vector signed char
  11 testsl_signed_char (vector signed char x, vector unsigned char y)
  12 {
  13   return vec_sl (x, y);
  14 }
  15
  16 vector unsigned char
  17 testsl_unsigned_char (vector unsigned char x, vector unsigned char y)
  18 {
  19   return vec_sl (x, y);
  20 }
  21
  22 vector signed short
  23 testsl_signed_short (vector signed short x, vector unsigned short y)
  24 {
  25   return vec_sl (x, y);
  26 }
  27
  28 vector unsigned short
  29 testsl_unsigned_short (vector unsigned short x, vector unsigned short y)
  30 {
  31   return vec_sl (x, y);
  32 }
  33
  34 vector signed int
  35 testsl_signed_int (vector signed int x, vector unsigned int y)
  36 {
  37   return vec_sl (x, y);
  38 }
  39
  40 vector unsigned int
  41 testsl_unsigned_int (vector unsigned int x, vector unsigned int y)
  42 {
  43   return vec_sl (x, y);
  44 }
  45
  46 /* { dg-final { scan-assembler-times "vslb" 2 } } */
  47 /* { dg-final { scan-assembler-times "vslh" 2 } } */
  48 /* { dg-final { scan-assembler-times "vslw" 2 } } */