gcc/testsuite/gcc.target/i386/pr46091-4a.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3 /* { dg-additional-options "-mregparm=2" { target ia32 } } */
   4
   5 int test_1 (int x, int n)
   6 {
   7   n &= 0x1f;
   8
   9   x &= ~(0x01 << n);
  10
  11   return x;
  12 }
  13
  14 int test_2 (int x, int n)
  15 {
  16   n &= 0x1f;
  17
  18   x |= (0x01 << n);
  19
  20   return x;
  21 }
  22
  23 int test_3 (int x, int n)
  24 {
  25   n &= 0x1f;
  26
  27   x ^= (0x01 << n);
  28
  29   return x;
  30 }
  31
  32 /* { dg-final { scan-assembler-not "and\[lq\]\[ \t\]" } } */