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

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target ia32 } */
   3 /* { dg-options "-O2 -march=pentiumpro -minline-all-stringops -fno-common" } */
   4 /* { dg-add-options bind_pic_locally } */
   5 /* { dg-final { scan-assembler "rep" } } */
   6 /* { dg-final { scan-assembler "movs" } } */
   7 /* { dg-final { scan-assembler-not "test" } } */
   8 /* { dg-final { scan-assembler "\.L?:" } } */
   9
  10 /* A and B are aligned, but we used to lose track of it.
  11    Ensure that memcpy is inlined and alignment prologue is missing.  */
  12
  13 char a[2048];
  14 char b[2048];
  15 void t(void)
  16 {
  17   __builtin_memcpy (a,b,2048);
  18 }