gcc/testsuite/gcc.target/sh/pr54236-3.c

   1 /* Tests to check the utilization of the addc and subc instructions.
   2    If everything works as expected we won't see any movt instructions in
   3    these cases.  */
   4 /* { dg-do compile }  */
   5 /* { dg-options "-O1" } */
   6 /* { dg-skip-if "" { "sh*-*-*" } { "-m5*"} { "" } } */
   7 /* { dg-final { scan-assembler-times "addc" 1 } } */
   8 /* { dg-final { scan-assembler-times "subc" 1 } } */
   9 /* { dg-final { scan-assembler-not "movt" } } */
  10
  11 int
  12 test_000 (int* x, unsigned int c)
  13 {
  14   /* 1x addc  */
  15   int s = 0;
  16   unsigned int i;
  17   for (i = 0; i < c; ++i)
  18     s += ! (x[i] & 0x3000);
  19   return s;
  20 }
  21
  22 int
  23 test_001 (int* x, unsigned int c)
  24 {
  25   /* 1x subc  */
  26   int s = 0;
  27   unsigned int i;
  28   for (i = 0; i < c; ++i)
  29     s -= ! (x[i] & 0x3000);
  30   return s;
  31 }