gcc/testsuite/gcc.target/arm/neon-combine-sub-abs-into-vabd.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target arm_neon_ok } */
   3 /* { dg-options "-O2 -funsafe-math-optimizations" } */
   4 /* { dg-add-options arm_neon } */
   5
   6 #include <arm_neon.h>
   7 float32x2_t f_sub_abs_to_vabd_32(float32x2_t val1, float32x2_t val2)
   8 {
   9   float32x2_t sres = vsub_f32(val1, val2);
  10   float32x2_t res = vabs_f32 (sres);
  11
  12   return res;
  13 }
  14 /* { dg-final { scan-assembler "vabd\.f32" } }*/
  15
  16 #include <arm_neon.h>
  17 int8x8_t sub_abs_to_vabd_8(int8x8_t val1, int8x8_t val2)
  18 {
  19   int8x8_t sres = vsub_s8(val1, val2);
  20   int8x8_t res = vabs_s8 (sres);
  21
  22   return res;
  23 }
  24 /* { dg-final { scan-assembler "vabd\.s8" } }*/
  25
  26 int16x4_t sub_abs_to_vabd_16(int16x4_t val1, int16x4_t val2)
  27 {
  28   int16x4_t sres = vsub_s16(val1, val2);
  29   int16x4_t res = vabs_s16 (sres);
  30
  31   return res;
  32 }
  33 /* { dg-final { scan-assembler "vabd\.s16" } }*/
  34
  35 int32x2_t sub_abs_to_vabd_32(int32x2_t val1, int32x2_t val2)
  36 {
  37   int32x2_t sres = vsub_s32(val1, val2);
  38   int32x2_t res = vabs_s32 (sres);
  39
  40    return res;
  41 }
  42 /* { dg-final { scan-assembler "vabd\.s32" } }*/