gcc/testsuite/gcc.target/sh/pr52483-5.c

   1 /* Check that loads from volatile mems utilize post-increment addressing
   2    modes and do not result in redundant sign extensions. */
   3 /* { dg-do compile }  */
   4 /* { dg-options "-O1" } */
   5 /* { dg-final { scan-assembler-times "@r\[0-9\]\+\\+," 3 } } */
   6 /* { dg-final { scan-assembler-not "exts" } } */
   7
   8 volatile char*
   9 test_00 (volatile char* x)
  10 {
  11   int xx = *x++;
  12   return x;
  13 }
  14
  15 volatile short*
  16 test_01 (volatile short* x)
  17 {
  18   int xx = *x++;
  19   return x;
  20 }
  21
  22 volatile int*
  23 test_02 (volatile int* x)
  24 {
  25   int xx = *x++;
  26   return x;
  27 }