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/* { dg-do compile } */
/* { dg-options "-fdump-tree-crc-details" } */
/* { dg-skip-if "" { *-*-* } { "-O0" "-O1" "-Os" "-flto" } } */
#include <stdio.h>
typedef unsigned short ee_u16;
typedef unsigned char ee_u8;
int a;
ee_u16 crcu8 (ee_u8 data, ee_u16 crc) {
ee_u16 i = 0, x16 = 0, carry = 0;
int c;
for (i = 0; i < 8; i++) {
c += i*2;
printf ("%d", c);
x16 = (ee_u8) ((data & 1) ^ ((ee_u8) crc & 1));
data >>= 1;
if (x16 == 1) {
crc ^= 0x4002;
carry = 1;
} else
carry = 0;
crc >>= 1;
a = c;
if (carry)
{
crc |= 0x8000;
}
else
crc &= 0x7fff;
}
return crc;
}
/* { dg-final { scan-tree-dump-times "calculates CRC!" 0 "crc" } } */
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