gcc/testsuite/gcc.target/aarch64/sve/fdiv_1.c

   1 /* { dg-do assemble { target aarch64_asm_sve_ok } } */
   2 /* { dg-options "-O3 -msve-vector-bits=256 --save-temps" } */
   3
   4 typedef _Float16 vnx8hf __attribute__((vector_size(32)));
   5 typedef float vnx4sf __attribute__((vector_size(32)));
   6 typedef double vnx2df __attribute__((vector_size(32)));
   7
   8 #define DO_OP(TYPE)                             \
   9 void vdiv_##TYPE (TYPE *x, TYPE y)              \
  10 {                                               \
  11   register TYPE dst asm("z0");                  \
  12   register TYPE src asm("z2");                  \
  13   dst = *x;                                     \
  14   src = y;                                      \
  15   asm volatile ("" :: "w" (dst), "w" (src));    \
  16   dst = dst / src;                              \
  17   asm volatile ("" :: "w" (dst));               \
  18   *x = dst;                                     \
  19 }                                               \
  20 void vdivr_##TYPE (TYPE *x, TYPE y)             \
  21 {                                               \
  22   register TYPE dst asm("z0");                  \
  23   register TYPE src asm("z2");                  \
  24   dst = *x;                                     \
  25   src = y;                                      \
  26   asm volatile ("" :: "w" (dst), "w" (src));    \
  27   dst = src / dst;                              \
  28   asm volatile ("" :: "w" (dst));               \
  29   *x = dst;                                     \
  30 }
  31
  32 DO_OP (vnx8hf)
  33 DO_OP (vnx4sf)
  34 DO_OP (vnx2df)
  35
  36 /* { dg-final { scan-assembler-times {\tfdiv\tz[0-9]+\.h, p[0-7]/m, z[0-9]+\.h, z[0-9]+\.h\n} 1 } } */
  37 /* { dg-final { scan-assembler-times {\tfdivr\tz[0-9]+\.h, p[0-7]/m, z[0-9]+\.h, z[0-9]+\.h\n} 1 } } */
  38
  39 /* { dg-final { scan-assembler-times {\tfdiv\tz[0-9]+\.s, p[0-7]/m, z[0-9]+\.s, z[0-9]+\.s\n} 1 } } */
  40 /* { dg-final { scan-assembler-times {\tfdivr\tz[0-9]+\.s, p[0-7]/m, z[0-9]+\.s, z[0-9]+\.s\n} 1 } } */
  41
  42 /* { dg-final { scan-assembler-times {\tfdiv\tz[0-9]+\.d, p[0-7]/m, z[0-9]+\.d, z[0-9]+\.d\n} 1 } } */
  43 /* { dg-final { scan-assembler-times {\tfdivr\tz[0-9]+\.d, p[0-7]/m, z[0-9]+\.d, z[0-9]+\.d\n} 1 } } */