gcc/testsuite/gcc.target/aarch64/sve/sel_3.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 _Float16 vnx8hf __attribute__((vector_size (32)));
  10 typedef float vnx4sf __attribute__((vector_size (32)));
  11
  12 /* Predicate vector: 1 0 0 0 0 0 0 0 ... */
  13
  14 #define MASK_32         { 0, 33, 34, 35, 36, 37, 38, 39,  \
  15                           8, 41, 42, 43, 44, 45, 46, 47,  \
  16                           16, 49, 50, 51, 52, 53, 54, 55, \
  17                           24, 57, 58, 59, 60, 61, 62, 63  }
  18
  19 /* Predicate vector: 1 0 0 0 ... */
  20
  21 #define MASK_16         { 0, 17, 18, 19, 4, 21, 22, 23, \
  22                           8, 25, 26, 27, 12, 29, 30, 31 }
  23
  24 /* Predicate vector: 1 0 ... */
  25
  26 #define MASK_8          { 0, 9, 2, 11, 4, 13, 6, 15 }
  27
  28 #define INDEX_32 vnx16qi
  29 #define INDEX_16 vnx8hi
  30 #define INDEX_8 vnx4si
  31
  32 #define PERMUTE(type, nunits)                                           \
  33 type permute_##type (type x, type y)                                    \
  34 {                                                                       \
  35   return __builtin_shuffle (x, y, (INDEX_##nunits) MASK_##nunits);      \
  36 }
  37
  38 PERMUTE(vnx16qi, 32)
  39 PERMUTE(vnx8hi, 16)
  40 PERMUTE(vnx4si, 8)
  41 PERMUTE(vnx8hf, 16)
  42 PERMUTE(vnx4sf, 8)
  43
  44 /* { dg-final { scan-assembler-not {\ttbl\t} } } */
  45
  46 /* { dg-final { scan-assembler-times {\tsel\tz[0-9]+\.b, p[0-9]+, z[0-9]+\.b, z[0-9]+\.b\n} 1 } } */
  47 /* { dg-final { scan-assembler-times {\tsel\tz[0-9]+\.h, p[0-9]+, z[0-9]+\.h, z[0-9]+\.h\n} 2 } } */
  48 /* { dg-final { scan-assembler-times {\tsel\tz[0-9]+\.s, p[0-9]+, z[0-9]+\.s, z[0-9]+\.s\n} 2 } } */
  49
  50 /* { dg-final { scan-assembler-times {\tptrue\tp[0-9]+\.d, vl4\n} 5 } } */