gcc/testsuite/gcc.target/aarch64/sve/spill_7.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-vectorize -ffast-math" } */
   3
   4 #include <stdint.h>
   5
   6 void consumer (void *);
   7
   8 #define TEST_LOOP(TYPE, VAL)                    \
   9   void                                          \
  10   multi_loop_##TYPE (TYPE *x, int n)            \
  11   {                                             \
  12     for (int k = 0; k < 4; ++k)                 \
  13       {                                         \
  14         for (int j = 0; j < n; ++j)             \
  15           {                                     \
  16             for (int i = 0; i < 100; ++i)       \
  17               x[i] += VAL + i;                  \
  18             asm volatile ("");                  \
  19           }                                     \
  20         for (int j = 0; j < n; ++j)             \
  21           consumer (x);                         \
  22         for (int j = 0; j < n; ++j)             \
  23           {                                     \
  24             for (int i = 0; i < 100; ++i)       \
  25               x[i] += VAL + i;                  \
  26             asm volatile ("");                  \
  27           }                                     \
  28         consumer (x);                           \
  29         for (int i = 0; i < 100; ++i)           \
  30           x[i] += VAL + i;                      \
  31         consumer (x);                           \
  32       }                                         \
  33   }
  34
  35 TEST_LOOP (uint8_t, 3);
  36 TEST_LOOP (uint16_t, 4);
  37 TEST_LOOP (uint32_t, 5);
  38 TEST_LOOP (uint64_t, 6);
  39 TEST_LOOP (float, 2.5f);
  40 TEST_LOOP (double, 3.5);
  41
  42 /* { dg-final { scan-assembler-times {\tindex\tz[0-9]+\..,} 18 } } */
  43 /* { dg-final { scan-assembler-not {\tldr\tz[0-9]} } } */
  44 /* { dg-final { scan-assembler-not {\tstr\tz[0-9]} } } */
  45 /* { dg-final { scan-assembler-not {\tldr\tp[0-9]} } } */
  46 /* { dg-final { scan-assembler-not {\tstr\tp[0-9]} } } */