(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.target/
arm/
simd/
mve-vabs.c
       1  /* { dg-do assemble } */
       2  /* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
       3  /* { dg-add-options arm_v8_1m_mve_fp } */
       4  /* { dg-additional-options "-O3 -funsafe-math-optimizations" } */
       5  
       6  #include <stdint.h>
       7  #include <arm_mve.h>
       8  
       9  #define ABS(a) ((a < 0) ? -a : a)
      10  
      11  #define FUNC(SIGN, TYPE, BITS, NB, NAME)				\
      12    void test_ ## NAME ##_ ## SIGN ## BITS ## x ## NB (TYPE##BITS##_t * __restrict__ dest, TYPE##BITS##_t *a) { \
      13      int i;								\
      14      for (i=0; i<NB; i++) {						\
      15        dest[i] = ABS(a[i]);						\
      16      }									\
      17  }
      18  
      19  #define FUNC_FLOAT(SIGN, TYPE, BITS, NB, NAME)				\
      20    void test_ ## NAME ##_ ## SIGN ## BITS ## x ## NB (TYPE * __restrict__ dest, TYPE *a) { \
      21      int i;								\
      22      for (i=0; i<NB; i++) {						\
      23        dest[i] = ABS(a[i]);						\
      24      }									\
      25  }
      26  
      27  /* 128-bit vectors.  */
      28  FUNC(s, int, 32, 4, vabs)
      29  FUNC(u, uint, 32, 4, vabs)
      30  FUNC(s, int, 16, 8, vabs)
      31  FUNC(u, uint, 16, 8, vabs)
      32  FUNC(s, int, 8, 16, vabs)
      33  FUNC(u, uint, 8, 16, vabs)
      34  FUNC_FLOAT(f, float, 32, 4, vabs)
      35  FUNC(f, float, 16, 8, vabs)
      36  
      37  /* Taking the absolute value of an unsigned value is a no-op, so half of the
      38     integer optimizations actually generate a call to memmove, the other ones a
      39     'vabs'.  */
      40  /* { dg-final { scan-assembler-times {vabs.s[0-9]+\tq[0-9]+, q[0-9]+} 3 } } */
      41  /* { dg-final { scan-assembler-times {vabs.f[0-9]+\tq[0-9]+, q[0-9]+} 2 } } */
      42  /* { dg-final { scan-assembler-times {vldr[bhw].[0-9]+\tq[0-9]+} 5 } } */
      43  /* { dg-final { scan-assembler-times {vstr[bhw].[0-9]+\tq[0-9]+} 5 } } */
      44  /* { dg-final { scan-assembler-times {memmove} 3 } } */