gcc/testsuite/gcc.target/i386/memcpy-strategy-1.c

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "" { i?86-*-* x86_64-*-* } { "-march=*" } { "-march=atom" } } */
   3 /* { dg-options "-O2 -march=atom -mmemcpy-strategy=vector_loop:-1:align" } */
   4 /* { dg-final { scan-assembler-times "movdqa" 8 { target { ! { ia32 } } } } } */
   5 /* { dg-final { scan-assembler-times "movdqa" 4 { target { ia32 } } } } */
   6
   7 char a[2048];
   8 char b[2048];
   9 void t (void)
  10 {
  11   __builtin_memcpy (a, b, 2048);
  12 }
  13