gcc/testsuite/gcc.target/aarch64/sve/cond_abd_1.c

/* { dg-do compile } */
/* { dg-options "-O2 -ftree-vectorize" } */

#include <stdint.h>

#define abd(A, B) (((A) < (B) ? (B) : (A)) - ((A) < (B) ? (A) : (B)))

#define DEF_LOOP(TYPE)					\
  void __attribute__ ((noinline, noclone))		\
  test_##TYPE (TYPE *__restrict r, TYPE *__restrict a,	\
	       TYPE *__restrict b, TYPE *__restrict c,	\
	       int n)					\
  {							\
    for (int i = 0; i < n; ++i)				\
      r[i] = a[i] < 20 ? abd (b[i], c[i]) : b[i];	\
  }

#define TEST_ALL(T) \
  T (int8_t) \
  T (uint8_t) \
  T (int16_t) \
  T (uint16_t) \
  T (int32_t) \
  T (uint32_t) \
  T (int64_t) \
  T (uint64_t)

TEST_ALL (DEF_LOOP)

/* { dg-final { scan-assembler-times {\tsabd\tz[0-9]+\.b, p[0-7]/m,} 1 } } */
/* { dg-final { scan-assembler-times {\tsabd\tz[0-9]+\.h, p[0-7]/m,} 1 } } */
/* { dg-final { scan-assembler-times {\tsabd\tz[0-9]+\.s, p[0-7]/m,} 1 } } */
/* { dg-final { scan-assembler-times {\tsabd\tz[0-9]+\.d, p[0-7]/m,} 1 } } */

/* { dg-final { scan-assembler-times {\tuabd\tz[0-9]+\.b, p[0-7]/m,} 1 } } */
/* { dg-final { scan-assembler-times {\tuabd\tz[0-9]+\.h, p[0-7]/m,} 1 } } */
/* { dg-final { scan-assembler-times {\tuabd\tz[0-9]+\.s, p[0-7]/m,} 1 } } */
/* { dg-final { scan-assembler-times {\tuabd\tz[0-9]+\.d, p[0-7]/m,} 1 } } */

/* { dg-final { scan-assembler-not {\tmov\tz[^,]*z} } } */
/* { dg-final { scan-assembler-not {\tmovprfx\t} } } */
/* { dg-final { scan-assembler-not {\tsel\t} } } */