gcc/testsuite/gcc.target/sh/pr50749-sf-predec-3.c

   1 /* PR target/50749: Verify that pre-decrement addressing is generated
   2    inside a loop.  */
   3 /* { dg-do compile { target { any_fpu } } }  */
   4 /* { dg-options "-O2" } */
   5 /* { dg-final { scan-assembler-times "fmov.s\tfr\[0-9]\+,@-r\[0-9]\+" 1 } } */
   6
   7 float*
   8 test_func_00 (float* p, int c, float x)
   9 {
  10   do
  11   {
  12     *--p = x;
  13   } while (--c);
  14   return p;
  15 }