gcc/testsuite/gcc.target/aarch64/sve/reduc_5.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-vectorize -ffast-math" } */
   3
   4 #include <stdint.h>
   5
   6 #define REDUC(TYPE)                                             \
   7   TYPE reduc_##TYPE (TYPE *x, int count)                        \
   8   {                                                             \
   9     TYPE sum = 0;                                               \
  10     for (int i = 0; i < count; ++i)                             \
  11       sum -= x[i];                                              \
  12     return sum;                                                 \
  13   }
  14
  15 REDUC (int8_t)
  16 REDUC (uint8_t)
  17 REDUC (int16_t)
  18 REDUC (uint16_t)
  19 REDUC (int32_t)
  20 REDUC (uint32_t)
  21 REDUC (int64_t)
  22 REDUC (uint64_t)
  23 REDUC (float)
  24 REDUC (double)
  25
  26 /* XFAILed until we support sub-int reductions for signed types.  */
  27 /* { dg-final { scan-assembler-times {\tsub\tz[0-9]+\.b, p[0-7]/m} 2 { xfail *-*-* } } } */
  28 /* { dg-final { scan-assembler-times {\tsub\tz[0-9]+\.h, p[0-7]/m} 2 { xfail *-*-* } } } */
  29 /* { dg-final { scan-assembler-times {\tsub\tz[0-9]+\.b, p[0-7]/m} 1 } } */
  30 /* { dg-final { scan-assembler-times {\tsub\tz[0-9]+\.h, p[0-7]/m} 1 } } */
  31 /* { dg-final { scan-assembler-times {\tsub\tz[0-9]+\.s, p[0-7]/m} 2 } } */
  32 /* { dg-final { scan-assembler-times {\tsub\tz[0-9]+\.d, p[0-7]/m} 2 } } */
  33 /* { dg-final { scan-assembler-times {\tfsub\tz[0-9]+\.s, p[0-7]/m} 1 } } */
  34 /* { dg-final { scan-assembler-times {\tfsub\tz[0-9]+\.d, p[0-7]/m} 1 } } */
  35
  36 /* XFAILed until we support sub-int reductions for signed types.  */
  37 /* { dg-final { scan-assembler-times {\tsub\t} 8 { xfail *-*-* } } } */
  38 /* { dg-final { scan-assembler-times {\tfsub\t} 2 } } */