gcc/testsuite/gcc.target/aarch64/sve/sel_5.c

   1 /* { dg-do assemble { target aarch64_asm_sve_ok } } */
   2 /* { dg-options "-O2 -msve-vector-bits=256 --save-temps" } */
   3
   4 #include <stdint.h>
   5
   6 typedef int8_t vnx16qi __attribute__((vector_size (32)));
   7 typedef int16_t vnx8hi __attribute__((vector_size (32)));
   8 typedef int32_t vnx4si __attribute__((vector_size (32)));
   9 typedef int64_t vnx2di __attribute__((vector_size (32)));
  10
  11 typedef _Float16 vnx8hf __attribute__((vector_size (32)));
  12 typedef float vnx4sf __attribute__((vector_size (32)));
  13 typedef double vnx2df __attribute__((vector_size (32)));
  14
  15 /* Predicate vector: 1 0 0 1 ... */
  16
  17 #define MASK_32         { 0, 33, 34, 3, 4, 37, 38, 7, 8, 41, 42, 11, 12, 45, 46,        \
  18                           15, 16, 49, 50, 19, 20, 53, 54, 23, 24, 57, 58, 27, 28,       \
  19                           61, 62, 31 }
  20
  21 #define MASK_16         {0, 17, 18, 3, 4, 21, 22, 7, 8, 25, 26, 11, 12, 29, 30, 15}
  22 #define MASK_8          {0, 9, 10, 3, 4, 13, 14, 7}
  23 #define MASK_4          {0, 5, 6, 3}
  24
  25 #define INDEX_32 vnx16qi
  26 #define INDEX_16 vnx8hi
  27 #define INDEX_8 vnx4si
  28 #define INDEX_4 vnx2di
  29
  30 #define PERMUTE(type, nunits)                                           \
  31 type permute_##type (type x, type y)                                    \
  32 {                                                                       \
  33   return __builtin_shuffle (x, y, (INDEX_##nunits) MASK_##nunits);      \
  34 }
  35
  36 PERMUTE(vnx16qi, 32)
  37 PERMUTE(vnx8hi, 16)
  38 PERMUTE(vnx4si, 8)
  39 PERMUTE(vnx2di, 4)
  40
  41 PERMUTE(vnx8hf, 16)
  42 PERMUTE(vnx4sf, 8)
  43 PERMUTE(vnx2df, 4)
  44
  45 /* { dg-final { scan-assembler-not {\ttbl\t} } } */
  46
  47 /* { dg-final { scan-assembler-times {\tsel\tz[0-9]+\.b, p[0-9]+, z[0-9]+\.b, z[0-9]+\.b\n} 1 } } */
  48 /* { dg-final { scan-assembler-times {\tsel\tz[0-9]+\.h, p[0-9]+, z[0-9]+\.h, z[0-9]+\.h\n} 2 } } */
  49 /* { dg-final { scan-assembler-times {\tsel\tz[0-9]+\.s, p[0-9]+, z[0-9]+\.s, z[0-9]+\.s\n} 2 } } */
  50 /* { dg-final { scan-assembler-times {\tsel\tz[0-9]+\.d, p[0-9]+, z[0-9]+\.d, z[0-9]+\.d\n} 2 } } */