2018-05-15 Richard Biener <rguenther@suse.de>
[official-gcc.git] / gcc / testsuite / gcc.dg / pr55150-2.c
blobed571d6488870c9585940726f77cfb377a512136
1 /* PR middle-end/55150 */
2 /* { dg-do compile } */
3 /* { dg-require-effective-target fpic } */
4 /* { dg-options "-Os -g -fPIC" } */
6 typedef unsigned char DES_cblock[8];
7 typedef struct DES_ks {
9 DES_key_schedule;
10 void DES_encrypt1 (long *, DES_key_schedule *, int);
11 void DES_ede3_cbcm_encrypt (const unsigned char *in, unsigned char *out, long length, DES_key_schedule * ks1, DES_key_schedule * ks2, DES_key_schedule * ks3, DES_cblock * ivec1, DES_cblock * ivec2, int enc) {
12 register unsigned long tout0, tout1, xor0, xor1, m0, m1;
13 register long l = length;
14 unsigned long tin[2];
15 unsigned char *iv1, *iv2;
16 iv1 = &(*ivec1)[0];
17 iv2 = &(*ivec2)[0];
18 if (enc) {
19 (m0 = ((unsigned long) (*((iv1)++))), m0 |= ((unsigned long) (*((iv1)++))) << 8L, m0 |= ((unsigned long) (*((iv1)++))) << 16L, m0 |= ((unsigned long) (*((iv1)++))) << 24L);
20 (m1 = ((unsigned long) (*((iv1)++))), m1 |= ((unsigned long) (*((iv1)++))) << 8L, m1 |= ((unsigned long) (*((iv1)++))) << 16L, m1 |= ((unsigned long) (*((iv1)++))) << 24L);
21 (tout0 = ((unsigned long) (*((iv2)++))), tout0 |= ((unsigned long) (*((iv2)++))) << 8L, tout0 |= ((unsigned long) (*((iv2)++))) << 16L, tout0 |= ((unsigned long) (*((iv2)++))) << 24L);
22 for (l -= 8;
23 l >= -7;
24 l -= 8) {
25 DES_encrypt1 (tin, ks3, 1);
26 DES_encrypt1 (tin, ks1, 1);
28 (*((iv1)++) = (unsigned char) (((m0)) & 0xff), *((iv1)++) = (unsigned char) (((m0) >> 8L) & 0xff), *((iv1)++) = (unsigned char) (((m0) >> 16L) & 0xff), *((iv1)++) = (unsigned char) (((m0) >> 24L) & 0xff));
29 (*((iv1)++) = (unsigned char) (((m1)) & 0xff), *((iv1)++) = (unsigned char) (((m1) >> 8L) & 0xff), *((iv1)++) = (unsigned char) (((m1) >> 16L) & 0xff), *((iv1)++) = (unsigned char) (((m1) >> 24L) & 0xff));
30 (*((iv2)++) = (unsigned char) (((tout0)) & 0xff), *((iv2)++) = (unsigned char) (((tout0) >> 8L) & 0xff), *((iv2)++) = (unsigned char) (((tout0) >> 16L) & 0xff), *((iv2)++) = (unsigned char) (((tout0) >> 24L) & 0xff));
32 else {
33 (m0 = ((unsigned long) (*((iv1)++))), m0 |= ((unsigned long) (*((iv1)++))) << 8L, m0 |= ((unsigned long) (*((iv1)++))) << 16L, m0 |= ((unsigned long) (*((iv1)++))) << 24L);
34 (xor1 = ((unsigned long) (*((iv2)++))), xor1 |= ((unsigned long) (*((iv2)++))) << 8L, xor1 |= ((unsigned long) (*((iv2)++))) << 16L, xor1 |= ((unsigned long) (*((iv2)++))) << 24L);
35 for (l -= 8;
36 l >= -7;
37 l -= 8) {
38 DES_encrypt1 (tin, ks3, 1);
39 if (l < 0) {
41 switch (l + 8) {
42 case 7: *(--(out)) = (unsigned char) (((tout1) >> 16L) & 0xff);
43 case 6: *(--(out)) = (unsigned char) (((tout1) >> 8L) & 0xff);
44 case 5: *(--(out)) = (unsigned char) (((tout1)) & 0xff);
45 case 4: *(--(out)) = (unsigned char) (((tout0) >> 24L) & 0xff);
46 case 1: *(--(out)) = (unsigned char) (((tout0)) & 0xff);
51 (*((iv1)++) = (unsigned char) (((m0)) & 0xff), *((iv1)++) = (unsigned char) (((m0) >> 8L) & 0xff), *((iv1)++) = (unsigned char) (((m0) >> 16L) & 0xff), *((iv1)++) = (unsigned char) (((m0) >> 24L) & 0xff));
52 (*((iv2)++) = (unsigned char) (((xor0)) & 0xff), *((iv2)++) = (unsigned char) (((xor0) >> 8L) & 0xff), *((iv2)++) = (unsigned char) (((xor0) >> 16L) & 0xff), *((iv2)++) = (unsigned char) (((xor0) >> 24L) & 0xff));
53 (*((iv2)++) = (unsigned char) (((xor1)) & 0xff), *((iv2)++) = (unsigned char) (((xor1) >> 8L) & 0xff), *((iv2)++) = (unsigned char) (((xor1) >> 16L) & 0xff), *((iv2)++) = (unsigned char) (((xor1) >> 24L) & 0xff));