gcc/testsuite/gcc.target/sh/pr50749-qihisi-postinc-3.c

   1 /* PR target/50749: Verify that post-increment addressing is generated
   2    inside a loop.  */
   3 /* { dg-do compile }  */
   4 /* { dg-options "-O2" } */
   5 /* { dg-final { scan-assembler-times "mov.b\t@r\[0-9]\+\\+,r\[0-9]\+" 1 } } */
   6 /* { dg-final { scan-assembler-times "mov.w\t@r\[0-9]\+\\+,r\[0-9]\+" 1 } } */
   7 /* { dg-final { scan-assembler-times "mov.l\t@r\[0-9]\+\\+,r\[0-9]\+" 1 } } */
   8
   9 int
  10 test_func_00 (char* p, int c)
  11 {
  12   int r = 0;
  13   do
  14   {
  15     r += *p++;
  16   } while (--c);
  17   return r;
  18 }
  19
  20 int
  21 test_func_01 (short* p, int c)
  22 {
  23   int r = 0;
  24   do
  25   {
  26     r += *p++;
  27   } while (--c);
  28   return r;
  29 }
  30
  31 int
  32 test_func_02 (int* p, int c)
  33 {
  34   int r = 0;
  35   do
  36   {
  37     r += *p++;
  38   } while (--c);
  39   return r;
  40 }