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

   1 /* Verify that overloaded built-ins for vec_sl 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 -O2" } */
   7
   8 #include <altivec.h>
   9
  10 //# vec_sl  - shift left
  11 //# vec_sr  - shift right
  12 //# vec_sra - shift right algebraic
  13 //# vec_rl  - rotate left
  14
  15 vector signed char
  16 testsl_signed (vector signed char x, vector unsigned char y)
  17 {
  18   return vec_sl (x, y);
  19 }
  20
  21 vector unsigned char
  22 testsl_unsigned (vector unsigned char x, vector unsigned char y)
  23 {
  24   return vec_sl (x, y);
  25 }
  26
  27 vector signed char
  28 testsr_signed (vector signed char x, vector unsigned char y)
  29 {
  30   return vec_sr (x, y);
  31 }
  32
  33 vector unsigned char
  34 testsr_unsigned (vector unsigned char x, vector unsigned char y)
  35 {
  36   return vec_sr (x, y);
  37 }
  38
  39 vector signed char
  40 testsra_signed (vector signed char x, vector unsigned char y)
  41 {
  42   return vec_sra (x, y);
  43 }
  44
  45 vector unsigned char
  46 testsra_unsigned (vector unsigned char x, vector unsigned char y)
  47 {
  48   return vec_sra (x, y);
  49 }
  50
  51 vector signed char
  52 testrl_signed (vector signed char x, vector unsigned char y)
  53 {
  54   return vec_rl (x, y);
  55 }
  56
  57 vector unsigned char
  58 testrl_unsigned (vector unsigned char x, vector unsigned char y)
  59 {
  60   return vec_rl (x, y);
  61 }
  62
  63 /* { dg-final { scan-assembler-times "vslb" 2 } } */
  64 /* { dg-final { scan-assembler-times "vsrb" 2 } } */
  65 /* { dg-final { scan-assembler-times "vsrab" 2 } } */
  66 /* { dg-final { scan-assembler-times "vrlb" 2 } } */