gcc/testsuite/gcc.target/aarch64/mops_2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -march=armv8.6-a+mops --param=aarch64-mops-memmove-size-threshold=0" } */
   3 /* { dg-final { check-function-bodies "**" "" "" } } */
   4
   5 #include <stdlib.h>
   6
   7 /* We want to inline variable-sized memmove.
   8 ** do_it_mov:
   9 **      cpyp    \[x1\]\!, \[x0\]\!, x2\!
  10 **      cpym    \[x1\]\!, \[x0\]\!, x2\!
  11 **      cpye    \[x1\]\!, \[x0\]\!, x2\!
  12 **      ret
  13 */
  14 void do_it_mov (char * in, char * out, size_t size)
  15 {
  16   __builtin_memmove (out, in, size);
  17 }
  18
  19 /*
  20 ** do_it_mov_large:
  21 **      mov     x2, 1024
  22 **      cpyp    \[x1\]\!, \[x0\]!, x2\!
  23 **      cpym    \[x1\]\!, \[x0\]!, x2\!
  24 **      cpye    \[x1\]\!, \[x0\]\!, x2\!
  25 **      ret
  26 */
  27 void do_it_mov_large (char * in, char * out)
  28 {
  29   __builtin_memmove (out, in, 1024);
  30 }
  31
  32 /*
  33 ** do_it_mov_127:
  34 **      mov     x2, 127
  35 **      cpyp    \[x1\]\!, \[x0\]!, x2\!
  36 **      cpym    \[x1\]\!, \[x0\]!, x2\!
  37 **      cpye    \[x1\]\!, \[x0\]\!, x2\!
  38 **      ret
  39 */
  40 void do_it_mov_127 (char * in, char * out)
  41 {
  42   __builtin_memmove (out, in, 127);
  43 }
  44
  45 /*
  46 ** do_it_mov_128:
  47 **      mov     x2, 128
  48 **      cpyp    \[x1\]\!, \[x0\]!, x2\!
  49 **      cpym    \[x1\]\!, \[x0\]!, x2\!
  50 **      cpye    \[x1\]\!, \[x0\]\!, x2\!
  51 **      ret
  52 */
  53 void do_it_mov_128 (char * in, char * out)
  54 {
  55   __builtin_memmove (out, in, 128);
  56 }
  57