gcc/testsuite/gcc.target/aarch64/fmul_lane_1.c

   1 /* { dg-options "-O" } */
   2
   3 #pragma GCC target "+simd+fp16"
   4
   5 __Float16x4_t
   6 f1 (__Float16x4_t x, __Float16x4_t y)
   7 {
   8   return x * y[0];
   9 }
  10
  11 __Float16x4_t
  12 f2 (__Float16x4_t x, __Float16x4_t y)
  13 {
  14   return x * y[3];
  15 }
  16
  17 __Float16x4_t
  18 f3 (__Float16x4_t x, __Float16x8_t y)
  19 {
  20   return x * y[0];
  21 }
  22
  23 __Float16x4_t
  24 f4 (__Float16x4_t x, __Float16x8_t y)
  25 {
  26   return x * y[7];
  27 }
  28
  29 __Float16x8_t
  30 f5 (__Float16x8_t x, __Float16x4_t y)
  31 {
  32   return x * y[0];
  33 }
  34
  35 __Float16x8_t
  36 f6 (__Float16x8_t x, __Float16x4_t y)
  37 {
  38   return x * y[3];
  39 }
  40
  41 __Float16x8_t
  42 f7 (__Float16x8_t x, __Float16x8_t y)
  43 {
  44   return x * y[0];
  45 }
  46
  47 __Float16x8_t
  48 f8 (__Float16x8_t x, __Float16x8_t y)
  49 {
  50   return x * y[7];
  51 }
  52
  53 /* { dg-final { scan-assembler-times {\tfmul\tv0.4h, v0.4h, v1.h\[0\]} 2 } } */
  54 /* { dg-final { scan-assembler-times {\tfmul\tv0.4h, v0.4h, v1.h\[3\]} 1 } } */
  55 /* { dg-final { scan-assembler-times {\tfmul\tv0.4h, v0.4h, v1.h\[7\]} 1 } } */
  56
  57 /* { dg-final { scan-assembler-times {\tfmul\tv0.8h, v0.8h, v1.h\[0\]} 2 } } */
  58 /* { dg-final { scan-assembler-times {\tfmul\tv0.8h, v0.8h, v1.h\[3\]} 1 } } */
  59 /* { dg-final { scan-assembler-times {\tfmul\tv0.8h, v0.8h, v1.h\[7\]} 1 } } */