18 lines
351 B
C
18 lines
351 B
C
|
/* { 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" } } */
|
||
|
|
}
|
||
|
|
|