gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vdot-compile.c

/* { dg-do compile { target { aarch64*-*-* } } } */
/* { dg-additional-options "-O3 -march=armv8.2-a+dotprod" } */

#include <arm_neon.h>

/* Unsigned Dot Product instructions.  */

uint32x2_t ufoo (uint32x2_t r, uint8x8_t x, uint8x8_t y)
{
  return vdot_u32 (r, x, y);
}

uint32x4_t ufooq (uint32x4_t r, uint8x16_t x, uint8x16_t y)
{
  return vdotq_u32 (r, x, y);
}

uint32x2_t ufoo_lane (uint32x2_t r, uint8x8_t x, uint8x8_t y)
{
  return vdot_lane_u32 (r, x, y, 0);
}

uint32x2_t ufoo_laneq (uint32x2_t r, uint8x8_t x, uint8x16_t y)
{
  return vdot_laneq_u32 (r, x, y, 0);
}

uint32x4_t ufooq_lane (uint32x4_t r, uint8x16_t x, uint8x8_t y)
{
  return vdotq_lane_u32 (r, x, y, 0);
}

uint32x4_t ufooq_laneq (uint32x4_t r, uint8x16_t x, uint8x16_t y)
{
  return vdotq_laneq_u32 (r, x, y, 0);
}

/* Signed Dot Product instructions.  */

int32x2_t sfoo (int32x2_t r, int8x8_t x, int8x8_t y)
{
  return vdot_s32 (r, x, y);
}

int32x4_t sfooq (int32x4_t r, int8x16_t x, int8x16_t y)
{
  return vdotq_s32 (r, x, y);
}

int32x2_t sfoo_lane (int32x2_t r, int8x8_t x, int8x8_t y)
{
  return vdot_lane_s32 (r, x, y, 0);
}

int32x2_t sfoo_laneq (int32x2_t r, int8x8_t x, int8x16_t y)
{
  return vdot_laneq_s32 (r, x, y, 0);
}

int32x4_t sfooq_lane (int32x4_t r, int8x16_t x, int8x8_t y)
{
  return vdotq_lane_s32 (r, x, y, 0);
}

int32x4_t sfooq_laneq (int32x4_t r, int8x16_t x, int8x16_t y)
{
  return vdotq_laneq_s32 (r, x, y, 0);
}

/* { dg-final { scan-assembler-times {[us]dot\tv[0-9]+\.2s, v[0-9]+\.8b, v[0-9]+\.8b} 2 } } */
/* { dg-final { scan-assembler-times {[us]dot\tv[0-9]+\.2s, v[0-9]+\.8b, v[0-9]+\.4b\[[0-9]+\]}  4 } } */
/* { dg-final { scan-assembler-times {[us]dot\tv[0-9]+\.4s, v[0-9]+\.16b, v[0-9]+\.16b}  2 } } */
/* { dg-final { scan-assembler-times {[us]dot\tv[0-9]+\.4s, v[0-9]+\.16b, v[0-9]+\.4b\[[0-9]+\]}  4 } } */