gcc/testsuite/gcc.target/i386/vect-shiftv4qi.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -msse2" } */
   3
   4 #define N 4
   5
   6 typedef unsigned char __vu __attribute__ ((__vector_size__ (N)));
   7 typedef signed char __vi __attribute__ ((__vector_size__ (N)));
   8
   9 __vu sll (__vu a, int n)
  10 {
  11   return a << n;
  12 }
  13
  14 __vu sll_c (__vu a)
  15 {
  16   return a << 5;
  17 }
  18
  19 /* { dg-final { scan-assembler-times "psllw" 2 } } */
  20
  21 __vu srl (__vu a, int n)
  22 {
  23   return a >> n;
  24 }
  25
  26 __vu srl_c (__vu a)
  27 {
  28   return a >> 5;
  29 }
  30
  31 /* { dg-final { scan-assembler-times "psrlw" 2 } } */
  32
  33 __vi sra (__vi a, int n)
  34 {
  35   return a >> n;
  36 }
  37
  38 __vi sra_c (__vi a)
  39 {
  40   return a >> 5;
  41 }
  42
  43 /* { dg-final { scan-assembler-times "psraw" 2 } } */