gcc/testsuite/gcc.target/sh/pr39423-1.c

   1 /* Check that displacement addressing is used for indexed addresses with a
   2    small offset, instead of re-calculating the index.  */
   3 /* { dg-do compile }  */
   4 /* { dg-options "-O2" } */
   5 /* { dg-skip-if "" { "sh*-*-*" } { "-m5*"} { "" } } */
   6 /* { dg-final { scan-assembler-not "add\t#1" } } */
   7
   8 int
   9 test_00 (int tab[], int index)
  10 {
  11   return tab[index + 1];
  12 }
  13
  14 int
  15 test_01 (short tab[], int index)
  16 {
  17   return tab[index + 1];
  18 }
  19
  20 int
  21 test_02 (unsigned short tab[], int index)
  22 {
  23   return tab[index + 1];
  24 }
  25
  26 int
  27 test_03 (long long tab[], int index)
  28 {
  29   return (int)tab[index + 1];
  30 }
  31
  32 void
  33 test_04 (int tab[], int index, int val)
  34 {
  35   tab[index + 1] = val;
  36 }
  37
  38 void
  39 test_05 (short tab[], int index, int val)
  40 {
  41   tab[index + 1] = (short)val;
  42 }
  43
  44 void
  45 test_06 (unsigned short tab[], int index, int val)
  46 {
  47   tab[index + 1] = (unsigned short)val;
  48 }