gcc-4_9/gcc/testsuite/gcc.target/sh/pr50749-sf-postinc-4.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-skip-if "" { "sh*-*-*" } { "-m1" "-m2*" "-m4al" "*nofpu" "-m4-340*" "-m4-400*" "-m4-500*" "-m5*" } { "" } }  */
   6 /* { dg-final { scan-assembler-times "fmov.s\t@r\[0-9]\+\\+,fr\[0-9]\+" 3 { xfail *-*-*} } } */
   7
   8 float
   9 test_func_00 (float* p, int c)
  10 {
  11   float r = 0;
  12   do
  13   {
  14     r += *p++;
  15     r += *p++;
  16     r += *p++;
  17   } while (--c);
  18   return r;
  19 }