gcc/testsuite/gcc.target/aarch64/sve/struct_vect_21.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-vectorize" } */
   3
   4 #include <stdint.h>
   5
   6 #define TEST_LOOP(NAME, TYPE)                                   \
   7   void __attribute__ ((noinline, noclone))                      \
   8   NAME (TYPE *restrict dest, TYPE *restrict src, int n)         \
   9   {                                                             \
  10     for (int i = 0; i < n; ++i)                                 \
  11       dest[i] += src[i * 2];                                    \
  12   }
  13
  14 #define TEST(NAME) \
  15   TEST_LOOP (NAME##_i8, int8_t) \
  16   TEST_LOOP (NAME##_i16, uint16_t) \
  17   TEST_LOOP (NAME##_f32, float) \
  18   TEST_LOOP (NAME##_f64, double)
  19
  20 TEST (test)
  21
  22 /* Check the vectorized loop.  */
  23 /* { dg-final { scan-assembler-times {\tld1b\t} 1 } } */
  24 /* { dg-final { scan-assembler-times {\tld2b\t} 1 } } */
  25 /* { dg-final { scan-assembler-times {\tst1b\t} 1 } } */
  26 /* { dg-final { scan-assembler-times {\tld1h\t} 1 } } */
  27 /* { dg-final { scan-assembler-times {\tld2h\t} 1 } } */
  28 /* { dg-final { scan-assembler-times {\tst1h\t} 1 } } */
  29 /* { dg-final { scan-assembler-times {\tld1w\t} 1 } } */
  30 /* { dg-final { scan-assembler-times {\tld2w\t} 1 } } */
  31 /* { dg-final { scan-assembler-times {\tst1w\t} 1 } } */
  32 /* { dg-final { scan-assembler-times {\tld1d\t} 1 } } */
  33 /* { dg-final { scan-assembler-times {\tld2d\t} 1 } } */
  34 /* { dg-final { scan-assembler-times {\tst1d\t} 1 } } */
  35
  36 /* Check the scalar tail.  */
  37 /* { dg-final { scan-assembler-times {\tldrb\tw} 2 } } */
  38 /* { dg-final { scan-assembler-times {\tstrb\tw} 1 } } */
  39 /* { dg-final { scan-assembler-times {\tldrh\tw} 2 } } */
  40 /* { dg-final { scan-assembler-times {\tstrh\tw} 1 } } */
  41 /* { dg-final { scan-assembler-times {\tldr\ts} 2 } } */
  42 /* { dg-final { scan-assembler-times {\tstr\ts} 1 } } */
  43 /* { dg-final { scan-assembler-times {\tldr\td} 2 } } */
  44 /* { dg-final { scan-assembler-times {\tstr\td} 1 } } */
  45
  46 /* Each function should have three branches: one directly to the exit
  47    (n <= 0), one to the single scalar epilogue iteration (n == 1),
  48    and one branch-back for the vectorized loop.  */
  49 /* { dg-final { scan-assembler-times {\tb[a-z]+\t} 12 } } */