gcc-4_9-branch/gcc/testsuite/gcc.target/aarch64/pr64304.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 --save-temps" } */
   3
   4 unsigned char byte = 0;
   5
   6 void
   7 set_bit (unsigned int bit, unsigned char value)
   8 {
   9   unsigned char mask = (unsigned char) (1 << (bit & 7));
  10
  11   if (! value)
  12     byte &= (unsigned char)~mask;
  13   else
  14     byte |= mask;
  15     /* { dg-final { scan-assembler "and\tw\[0-9\]+, w\[0-9\]+, 7" } } */
  16 }
  17
  18 /* { dg-final { cleanup-saved-temps } } */