gcc/testsuite/gcc.target/sh/pr54089-7.c

   1 /* Check that the rotcr instruction is generated.  */
   2 /* { dg-do compile }  */
   3 /* { dg-options "-O1" } */
   4 /* { dg-final { scan-assembler-times "rotcr" 4 } } */
   5 /* { dg-final { scan-assembler-not "movt" } } */
   6 /* { dg-final { scan-assembler-not "or\t" } } */
   7 /* { dg-final { scan-assembler-not "rotr" } } */
   8 /* { dg-final { scan-assembler-not "and" } } */
   9
  10 typedef char bool;
  11
  12 int
  13 test_00 (int* a, int* b)
  14 {
  15   int i;
  16   unsigned int r = 0;
  17   for (i = 0; i < 16; ++i)
  18     {
  19       bool t = a[i] == b[i];
  20       r = (t << 31) | (r >> 1);
  21     }
  22   return r;
  23 }
  24
  25 int
  26 test_01 (int* a, int* b)
  27 {
  28   int i;
  29   unsigned int r = 0;
  30   for (i = 0; i < 16; ++i)
  31     {
  32       bool t = a[i] == b[i];
  33       r = (t << 31) | (r >> 2);
  34     }
  35   return r;
  36 }
  37
  38 int
  39 test_02 (int* a, int* b)
  40 {
  41   int i;
  42   unsigned int r = 0;
  43   for (i = 0; i < 16; ++i)
  44     {
  45       bool t = a[i] == b[i];
  46       r = (t << 31) | (r >> 3);
  47     }
  48   return r;
  49 }
  50
  51 unsigned int
  52 test_03 (const bool* a)
  53 {
  54   int i;
  55   unsigned int r = 0;
  56   for (i = 0; i < 32; ++i)
  57     {
  58       bool t = a[i];
  59       r = (t << 31) | (r >> 1);
  60     }
  61   return r;
  62 }