gcc-4.9/gcc/testsuite/gcc.target/sh/pr50749-qihisi-postinc-4.c


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/* PR target/50749: Verify that post-increment addressing is generated
   inside a loop.  */
/* { dg-do compile }  */
/* { dg-options "-O2" } */
/* { dg-final { scan-assembler-times "mov.b\t@r\[0-9]\+\\+,r\[0-9]\+" 3 { xfail *-*-*} } } */
/* { dg-final { scan-assembler-times "mov.w\t@r\[0-9]\+\\+,r\[0-9]\+" 3 { xfail *-*-*} } } */
/* { dg-final { scan-assembler-times "mov.l\t@r\[0-9]\+\\+,r\[0-9]\+" 3 { xfail *-*-*} } } */

int
test_func_00 (char* p, int c)
{
  int r = 0;
  do
  {
    r += *p++;
    r += *p++;
    r += *p++;
  } while (--c);
  return r;
}

int
test_func_01 (short* p, int c)
{
  int r = 0;
  do
  {
    r += *p++;
    r += *p++;
    r += *p++;
  } while (--c);
  return r;
}

int
test_func_02 (int* p, int c)
{
  int r = 0;
  do
  {
    r += *p++;
    r += *p++;
    r += *p++;
  } while (--c);
  return r;
}