/* { dg-do run } */ /* { dg-require-effective-target int32plus } */ /* { dg-options "-ftree-loop-distribution" } */ #define CAST_LONG unsigned int typedef struct cast_key_st { CAST_LONG data[32]; } CAST_KEY; #define CAST_exp(l,A,a,n) \ A[n/4]=l; \ a[n+3]=(l )&0xff; \ a[n+2]=(l>> 8)&0xff; \ a[n+1]=(l>>16)&0xff; \ a[n+0]=(l>>24)&0xff; CAST_LONG CAST_S_table[1024]; #define S4 (CAST_S_table + 000) #define S5 (CAST_S_table + 256) #define S6 (CAST_S_table + 512) #define S7 (CAST_S_table + 768) void CAST_set_key (CAST_KEY * key) { CAST_LONG x[16]; CAST_LONG z[16]; CAST_LONG k[32]; CAST_LONG X[4] = {0,0,0,0}, Z[4]; CAST_LONG l, *K = k; int i; for (i = 0; i < 16; i++) x[i] = 0; for (;;) { l = X[0] ^ S4[x[13]] ^ S5[x[15]] ^ S6[x[12]] ^ S7[x[14]] ^ S6[x[8]]; CAST_exp (l, Z, z, 0); CAST_exp (l, Z, z, 4); CAST_exp (l, Z, z, 8); CAST_exp (l, Z, z, 12); K[0] = S4[z[8]] ^ S5[z[9]] ^ S6[z[7]] ^ S7[z[6]] ^ S4[z[2]]; K[1] = S4[z[10]] ^ S5[z[11]] ^ S6[z[5]] ^ S7[z[4]] ^ S5[z[6]]; K[2] = S4[z[12]] ^ S5[z[13]] ^ S6[z[3]] ^ S7[z[2]] ^ S6[z[9]]; K[3] = S4[z[14]] ^ S5[z[15]] ^ S6[z[1]] ^ S7[z[0]] ^ S7[z[12]]; K[4] = S4[x[3]] ^ S5[x[2]] ^ S6[x[12]] ^ S7[x[13]] ^ S4[x[8]]; K[5] = S4[x[1]] ^ S5[x[0]] ^ S6[x[14]] ^ S7[x[15]] ^ S5[x[13]]; K[6] = S4[x[7]] ^ S5[x[6]] ^ S6[x[8]] ^ S7[x[9]] ^ S6[x[3]]; K[7] = S4[x[5]] ^ S5[x[4]] ^ S6[x[10]] ^ S7[x[11]] ^ S7[x[7]]; K[8] = S4[z[3]] ^ S5[z[2]] ^ S6[z[12]] ^ S7[z[13]] ^ S4[z[9]]; K[9] = S4[z[1]] ^ S5[z[0]] ^ S6[z[14]] ^ S7[z[15]] ^ S5[z[12]]; K[10] = S4[z[7]] ^ S5[z[6]] ^ S6[z[8]] ^ S7[z[9]] ^ S6[z[2]]; K[11] = S4[z[5]] ^ S5[z[4]] ^ S6[z[10]] ^ S7[z[11]] ^ S7[z[6]]; l = Z[2] ^ S4[z[5]] ^ S5[z[7]] ^ S6[z[4]] ^ S7[z[6]] ^ S6[z[0]]; CAST_exp (l, X, x, 0); K[12] = S4[x[8]] ^ S5[x[9]] ^ S6[x[7]] ^ S7[x[6]] ^ S4[x[3]]; K[13] = S4[x[10]] ^ S5[x[11]] ^ S6[x[5]] ^ S7[x[4]] ^ S5[x[7]]; K[14] = S4[x[12]] ^ S5[x[13]] ^ S6[x[3]] ^ S7[x[2]] ^ S6[x[8]]; K[15] = S4[x[14]] ^ S5[x[15]] ^ S6[x[1]] ^ S7[x[0]] ^ S7[x[13]]; if (K != k) break; K += 16; } for (i = 0; i < 16; i++) { key->data[i * 2] = k[i]; key->data[i * 2 + 1] = ((k[i + 16]) + 16) & 0x1f; } } int main () { CAST_KEY ref = { {0x0069B3F8, 0x00000013, 0x000AEFF8, 0x00000013, 0x004AD0E0, 0x0000001B, 0x00818F18, 0x00000018, 0x008FF000, 0x0000001B, 0x002D1C00, 0x0000001B, 0x00EA2800, 0x00000010, 0x00C73400, 0x00000010, 0x004BF8E0, 0x0000001B, 0x00B3D718, 0x00000018, 0x00B0EBF8, 0x00000013, 0x003247F8, 0x00000013, 0x00C5BA20, 0x00000010, 0x002D1C00, 0x00000010, 0x0060822B, 0x00000008, 0x0096236B, 0x0000001B} }; CAST_KEY key; unsigned i; for (i = 1; i < 1024; i++) CAST_S_table[i] = (CAST_S_table[i-1] * 7 + 3) & 0xFFFFFF; CAST_set_key (&key); if (__builtin_memcmp(&ref, &key, sizeof(ref))) __builtin_abort(); return 0; }