gcc/testsuite/gcc.target/sh/pr51244-1.c

   1 /* Check that inverted conditional branch logic does not generate
   2    unnecessary explicit T bit extractions, inversions and
   3    test instructions.  */
   4 /* { dg-do compile }  */
   5 /* { dg-options "-O1 -mbranch-cost=2" } */
   6 /* { dg-final { scan-assembler-not "movt|tst|negc|extu" } } */
   7
   8 int
   9 testfunc_00 (int a, int b, int c, int d)
  10 {
  11   return (a != b || a != d) ? b : c;
  12 }
  13
  14 int
  15 testfunc_01 (int a, int b, int c, int d)
  16 {
  17   return (a == b || a == d) ? b : c;
  18 }
  19
  20 int
  21 testfunc_02 (int a, int b, int c, int d)
  22 {
  23   return (a == b && a == d) ? b : c;
  24 }
  25
  26 int
  27 testfunc_03 (int a, int b, int c, int d)
  28 {
  29   return (a != b && a != d) ? b : c;
  30 }
  31