gcc/testsuite/gcc.target/sh/pr52483-3.c

   1 /* Check that loads/stores from/to volatile mems utilize indexed addressing
   2    modes and do not result in redundant sign/zero extensions. */
   3 /* { dg-do compile }  */
   4 /* { dg-options "-O1" } */
   5 /* { dg-final { scan-assembler-times "@\\(r0," 6 } } */
   6 /* { dg-final { scan-assembler-not "exts|extu" } } */
   7
   8 int
   9 test_00 (volatile char* x, unsigned int y)
  10 {
  11   return x[y];
  12 }
  13
  14 void
  15 test_100 (volatile char* x, unsigned int y, char z)
  16 {
  17   x[y] = z;
  18 }
  19
  20 int
  21 test_01 (volatile short* x, unsigned int y)
  22 {
  23   return x[y];
  24 }
  25
  26 void
  27 test_101 (volatile short* x, unsigned int y, short z)
  28 {
  29   x[y] = z;
  30 }
  31
  32 int
  33 test_02 (volatile int* x, unsigned int y)
  34 {
  35   return x[y];
  36 }
  37
  38 int
  39 test_102 (volatile int* x, unsigned int y, int z)
  40 {
  41   x[y] = z;
  42 }