gcc/testsuite/gcc.target/nios2/r2-io-range.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -march=r2 -mbypass-cache" } */
   3
   4 /* Check that the compiler is aware of the reduced offset range for ldio/stio
   5    instructions in the Nios II R2 encoding.  */
   6
   7 unsigned int too_big (unsigned int *p)
   8 {
   9   return *(p + 0x400);
  10 }
  11
  12 unsigned int small_enough (unsigned int *p)
  13 {
  14   return *(p + 0x100);
  15 }
  16
  17 /* { dg-final { scan-assembler-not "\tldwio\t.*, 4096\\(r.*\\)" } }  */
  18 /* { dg-final { scan-assembler "\tldwio\t.*, 1024\\(r.*\\)" } }  */