gcc/testsuite/gcc.target/aarch64/ifcvt_avoid_const_materialization_1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 /* Check that we avoid moving the immediate into a register
   5    if comparison has shown that the inverse or negated form is
   6    already in one of the registers.  */
   7
   8 int
   9 foo (int a, int b)
  10 {
  11   return a == 5 ? -5 : b;
  12 }
  13
  14 int
  15 bar (int a, int b)
  16 {
  17   return a != 5 ? b : ~5;
  18 }
  19
  20 /* { dg-final { scan-assembler-not "mov\\tw\[0-9\]+" } } */
  21 /* { dg-final { scan-assembler-times "csneg\\tw\[0-9\]+" 1 } } */
  22 /* { dg-final { scan-assembler-times "csinv\\tw\[0-9\]+" 1 } } */