gnu/dist/gcc4/gcc/testsuite/gcc.dg/cris-peep2-andu2.c

   1 /* { dg-do compile { target cris-*-* } } */
   2 /* { dg-final { scan-assembler "movu.w \\\$r10,\\\$r" } } */
   3 /* { dg-final { scan-assembler "and.w 2047,\\\$r" } } */
   4 /* { dg-final { scan-assembler-not "move.d \\\$r10,\\\$r" } } */
   5 /* { dg-final { scan-assembler "movu.b \\\$r10,\\\$r" } } */
   6 /* { dg-final { scan-assembler "and.b 95,\\\$r" } } */
   7 /* { dg-final { scan-assembler "andq -2,\\\$r" } } */
   8 /* { dg-options "-O2" } */
   9
  10 /* Test the "andu" peephole2 trivially, register operand.  */
  11
  12 unsigned int
  13 and_peep2_hi (unsigned int y, unsigned int *x)
  14 {
  15   *x = y & 0x7ff;
  16   return y;
  17 }
  18
  19 unsigned int
  20 and_peep2_qi (unsigned int y, unsigned int *x)
  21 {
  22   *x = y & 0x5f;
  23   return y;
  24 }
  25
  26
  27 unsigned int
  28 and_peep2_q (unsigned int y, unsigned int *x)
  29 {
  30   *x = y & 0xfe;
  31   return y;
  32 }