gcc/testsuite/gcc.target/aarch64/pr64304.c


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/* { dg-do compile } */
/* { dg-options "-O2 --save-temps" } */

unsigned char byte = 0;

void
set_bit (unsigned int bit, unsigned char value)
{
  unsigned char mask = (unsigned char) (1 << (bit & 7));

  if (! value)
    byte &= (unsigned char)~mask;
  else
    byte |= mask;
  /* { dg-final { scan-assembler "and\tw\[0-9\]+, w\[0-9\]+, 7" } } */
}

/* { dg-final { cleanup-saved-temps } } */