gcc/testsuite/gcc.target/sh/pr50751-1.c

   1 /* Check that the mov.b displacement addressing insn is generated.
   2    If the insn is generated as expected, there should be no address
   3    calculations outside the mov insns.  */
   4 /* { dg-do compile }  */
   5 /* { dg-options "-O1" } */
   6 /* { dg-final { scan-assembler-not "add|sub" } } */
   7
   8 void
   9 testfunc_00 (const char* ap, char* bp, char val)
  10 {
  11   bp[0] = ap[15];
  12   bp[2] = ap[5];
  13   bp[9] = ap[7];
  14   bp[0] = ap[15];
  15   bp[4] = val;
  16   bp[14] = val;
  17 }
  18
  19 void
  20 testfunc_01 (volatile const char* ap, volatile char* bp, char val)
  21 {
  22   bp[0] = ap[15];
  23   bp[2] = ap[5];
  24   bp[9] = ap[7];
  25   bp[0] = ap[15];
  26   bp[4] = val;
  27   bp[14] = val;
  28 }
  29