gcc/testsuite/gcc.target/aarch64/sve/revh_1.c

   1 /* { dg-do assemble { target aarch64_asm_sve_ok } } */
   2 /* { dg-options "-O -msve-vector-bits=256 --save-temps" } */
   3
   4 #include <stdint.h>
   5
   6 typedef uint16_t vnx8hi __attribute__((vector_size (32)));
   7 typedef _Float16 vnx8hf __attribute__((vector_size (32)));
   8
   9 #define MASK_2(X, Y) (X) ^ (Y), (X + 1) ^ (Y)
  10 #define MASK_4(X, Y) MASK_2 (X, Y), MASK_2 (X + 2, Y)
  11 #define MASK_8(X, Y) MASK_4 (X, Y), MASK_4 (X + 4, Y)
  12 #define MASK_16(X, Y) MASK_8 (X, Y), MASK_8 (X + 8, Y)
  13 #define MASK_32(X, Y) MASK_16 (X, Y), MASK_16 (X + 16, Y)
  14
  15 #define INDEX_16 vnx8hi
  16
  17 #define PERMUTE(TYPE, NUNITS, REV_NUNITS)                               \
  18   TYPE permute_##TYPE##_##REV_NUNITS (TYPE values1, TYPE values2)       \
  19   {                                                                     \
  20     return __builtin_shuffle                                            \
  21       (values1, values2,                                                \
  22        ((INDEX_##NUNITS) { MASK_##NUNITS (0, REV_NUNITS - 1) }));       \
  23   }
  24
  25 #define TEST_ALL(T)                             \
  26   T (vnx8hi, 16, 2)                             \
  27   T (vnx8hi, 16, 4)                             \
  28   T (vnx8hf, 16, 2)                             \
  29   T (vnx8hf, 16, 4)
  30
  31 TEST_ALL (PERMUTE)
  32
  33 /* { dg-final { scan-assembler-not {\ttbl\t} } } */
  34
  35 /* { dg-final { scan-assembler-times {\trevh\tz[0-9]+\.d, p[0-7]/m, z[0-9]+\.d} 2 } } */
  36 /* { dg-final { scan-assembler-times {\trevh\tz[0-9]+\.s, p[0-7]/m, z[0-9]+\.s} 2 } } */