382 lines
14 KiB
C
382 lines
14 KiB
C
/*
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This program is part of the TACLeBench benchmark suite.
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Version V 1.x
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Name: ndes
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Author: unknown
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Function: A lot of bit manipulation, shifts, array and matrix calculations.
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Source:
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Changes: no major functional changes
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License: May be used, modified, and re-distributed freely.
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*/
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/* A read from this address will result in an known value of 1 */
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#define KNOWN_VALUE 1
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#define NDES_WORSTCASE 1
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/*
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Declaration of global variables
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*/
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// Wasm loop bounds
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__attribute__((import_module("__pragma"), import_name("loopbound"))) extern void
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__pragma_loopbound(unsigned int min_bound, unsigned int max_bound);
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typedef struct NDES_IMMENSE {
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unsigned long l, r;
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} ndes_immense;
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typedef struct NDES_GREAT {
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unsigned long l, c, r;
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} ndes_great;
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unsigned long ndes_bit[33];
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ndes_immense ndes_inp, ndes_key, ndes_out;
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int ndes_newkey, ndes_isw;
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static ndes_immense ndes_icd;
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static char ndes_ipc1[57];
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static char ndes_ipc2[49];
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#ifdef NDES_WORSTCASE
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int ndes_value = 1;
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#else
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int ndes_value = 0;
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#endif
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/* Forward funtion prototypes */
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__attribute__((always_inline)) static inline void ndes_des(ndes_immense inp,
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ndes_immense key,
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int *newkey, int isw,
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ndes_immense *out);
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__attribute__((always_inline)) static inline void
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ndes_cyfun(unsigned long ir, ndes_great k, unsigned long *iout);
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__attribute__((always_inline)) static inline unsigned long
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ndes_getbit(ndes_immense source, int bitno, int nbits);
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void ndes_ks(/*immense key, */ int n, ndes_great *kn);
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__attribute__((always_inline)) static inline void ndes_init(void);
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__attribute__((always_inline)) static inline int ndes_return(void);
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__attribute__((noinline)) __attribute__((export_name("entrypoint")))
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__attribute__((noinline)) __attribute__((export_name("entrypoint"))) void
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ndes_main(void);
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__attribute__((noinline)) __attribute__((export_name("main")))
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__attribute__((noinline)) __attribute__((export_name("main"))) int
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main(void);
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/*
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Initialization
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*/
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__attribute__((always_inline)) static inline void
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ndes_init() {
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unsigned int i;
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static volatile char ndes_ipc1_tmp[57] = {
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0, 57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18,
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10, 2, 59, 51, 43, 35, 27, 19, 11, 3, 60, 52, 44, 36, 63,
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55, 47, 39, 31, 23, 15, 7, 62, 54, 46, 38, 30, 22, 14, 6,
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61, 53, 45, 37, 29, 21, 13, 5, 28, 20, 12, 4};
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static volatile char ndes_ipc2_tmp[49] = {
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0, 14, 17, 11, 24, 1, 5, 3, 28, 15, 6, 21, 10, 23, 19, 12, 4,
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26, 8, 16, 7, 27, 20, 13, 2, 41, 52, 31, 37, 47, 55, 30, 40, 51,
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45, 33, 48, 44, 49, 39, 56, 34, 53, 46, 42, 50, 36, 29, 32};
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__pragma_loopbound(57, 57);
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for (i = 0; i < 57; i++)
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ndes_ipc1[i] = ndes_ipc1_tmp[i];
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__pragma_loopbound(49, 49);
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for (i = 0; i < 49; i++)
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ndes_ipc2[i] = ndes_ipc2_tmp[i];
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ndes_inp.l = KNOWN_VALUE * 35;
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ndes_inp.r = KNOWN_VALUE * 26;
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ndes_key.l = KNOWN_VALUE * 2;
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ndes_key.r = KNOWN_VALUE * 16;
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ndes_newkey = ndes_value;
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ndes_isw = ndes_value;
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}
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/*
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Arithmetic functions
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*/
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__attribute__((always_inline)) static inline void
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ndes_des(ndes_immense inp, ndes_immense key, int *newkey, int isw,
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ndes_immense *out) {
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static volatile char ip[65] = {
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0, 58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4,
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62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8, 57,
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49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3, 61, 53,
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45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7};
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static volatile char ipm[65] = {
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0, 40, 8, 48, 16, 56, 24, 64, 32, 39, 7, 47, 15, 55, 23, 63, 31,
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38, 6, 46, 14, 54, 22, 62, 30, 37, 5, 45, 13, 53, 21, 61, 29, 36,
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4, 44, 12, 52, 20, 60, 28, 35, 3, 43, 11, 51, 19, 59, 27, 34, 2,
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42, 10, 50, 18, 58, 26, 33, 1, 41, 9, 49, 17, 57, 25};
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static ndes_great kns[17];
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#ifdef NDES_WORSTCASE
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static int initflag = 1;
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#else
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static int initflag = 0;
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#endif
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int ii, i, j, k;
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unsigned long ic, shifter;
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ndes_immense itmp;
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ndes_great pg;
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if (initflag) {
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initflag = 0;
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ndes_bit[1] = shifter = 1L;
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__pragma_loopbound(31, 31);
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for (j = 2; j <= 32; j++)
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ndes_bit[j] = (shifter <<= 1);
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}
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if (*newkey) {
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*newkey = 0;
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ndes_icd.r = ndes_icd.l = 0L;
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__pragma_loopbound(28, 28);
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for (j = 28, k = 56; j >= 1; j--, k--) {
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ndes_icd.r = (ndes_icd.r << 1) | ndes_getbit(key, ndes_ipc1[j], 32);
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ndes_icd.l = ndes_icd.l << 1;
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ndes_icd.l = (ndes_icd.l) | ndes_getbit(key, ndes_ipc1[k], 32);
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}
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__pragma_loopbound(16, 16);
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for (i = 1; i <= 16; i++) {
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pg = kns[i];
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ndes_ks(/* key,*/ i, &pg);
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kns[i] = pg;
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}
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}
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itmp.r = itmp.l = 0L;
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__pragma_loopbound(32, 32);
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for (j = 32, k = 64; j >= 1; j--, k--) {
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itmp.r = itmp.r << 1;
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itmp.r = (itmp.r) | ndes_getbit(inp, ip[j], 32);
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itmp.l = itmp.l << 1;
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itmp.l = (itmp.l) | ndes_getbit(inp, ip[k], 32);
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}
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__pragma_loopbound(16, 16);
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for (i = 1; i <= 16; i++) {
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ii = (isw == 1 ? 17 - i : i);
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ndes_cyfun(itmp.l, kns[ii], &ic);
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ic ^= itmp.r;
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itmp.r = itmp.l;
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itmp.l = ic;
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}
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ic = itmp.r;
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itmp.r = itmp.l;
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itmp.l = ic;
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(*out).r = (*out).l = 0L;
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__pragma_loopbound(32, 32);
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for (j = 32, k = 64; j >= 1; j--, k--) {
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(*out).r = (*out).r << 1;
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(*out).r = ((*out).r) | ndes_getbit(itmp, ipm[j], 32);
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(*out).l = (*out).l << 1;
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(*out).l = ((*out).l) | ndes_getbit(itmp, ipm[k], 32);
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}
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}
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__attribute__((always_inline)) static inline void
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ndes_cyfun(unsigned long ir, ndes_great k, unsigned long *iout) {
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static volatile long iet[49] = {
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0, 32, 1, 2, 3, 4, 5, 4, 5, 6, 7, 8, 9, 8, 9, 10, 11,
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12, 13, 12, 13, 14, 15, 16, 17, 16, 17, 18, 19, 20, 21, 20, 21, 22,
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23, 24, 25, 24, 25, 26, 27, 28, 29, 28, 29, 30, 31, 32, 1};
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static volatile long ipp[33] = {0, 16, 7, 20, 21, 29, 12, 28, 17, 1, 15,
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23, 26, 5, 18, 31, 10, 2, 8, 24, 14, 32,
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27, 3, 9, 19, 13, 30, 6, 22, 11, 4, 25};
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static volatile long is[16][4][9] = {{{0, 14, 15, 10, 7, 2, 12, 4, 13},
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{0, 0, 3, 13, 13, 14, 10, 13, 1},
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{0, 4, 0, 13, 10, 4, 9, 1, 7},
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{0, 15, 13, 1, 3, 11, 4, 6, 2}},
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{{0, 4, 1, 0, 13, 12, 1, 11, 2},
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{0, 15, 13, 7, 8, 11, 15, 0, 15},
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{0, 1, 14, 6, 6, 2, 14, 4, 11},
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{0, 12, 8, 10, 15, 8, 3, 11, 1}},
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{{0, 13, 8, 9, 14, 4, 10, 2, 8},
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{0, 7, 4, 0, 11, 2, 4, 11, 13},
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{0, 14, 7, 4, 9, 1, 15, 11, 4},
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{0, 8, 10, 13, 0, 12, 2, 13, 14}},
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{{0, 1, 14, 14, 3, 1, 15, 14, 4},
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{0, 4, 7, 9, 5, 12, 2, 7, 8},
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{0, 8, 11, 9, 0, 11, 5, 13, 1},
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{0, 2, 1, 0, 6, 7, 12, 8, 7}},
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{{0, 2, 6, 6, 0, 7, 9, 15, 6},
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{0, 14, 15, 3, 6, 4, 7, 4, 10},
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{0, 13, 10, 8, 12, 10, 2, 12, 9},
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{0, 4, 3, 6, 10, 1, 9, 1, 4}},
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{{0, 15, 11, 3, 6, 10, 2, 0, 15},
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{0, 2, 2, 4, 15, 7, 12, 9, 3},
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{0, 6, 4, 15, 11, 13, 8, 3, 12},
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{0, 9, 15, 9, 1, 14, 5, 4, 10}},
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{{0, 11, 3, 15, 9, 11, 6, 8, 11},
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{0, 13, 8, 6, 0, 13, 9, 1, 7},
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{0, 2, 13, 3, 7, 7, 12, 7, 14},
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{0, 1, 4, 8, 13, 2, 15, 10, 8}},
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{{0, 8, 4, 5, 10, 6, 8, 13, 1},
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{0, 1, 14, 10, 3, 1, 5, 10, 4},
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{0, 11, 1, 0, 13, 8, 3, 14, 2},
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{0, 7, 2, 7, 8, 13, 10, 7, 13}},
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{{0, 3, 9, 1, 1, 8, 0, 3, 10},
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{0, 10, 12, 2, 4, 5, 6, 14, 12},
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{0, 15, 5, 11, 15, 15, 7, 10, 0},
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{0, 5, 11, 4, 9, 6, 11, 9, 15}},
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{{0, 10, 7, 13, 2, 5, 13, 12, 9},
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{0, 6, 0, 8, 7, 0, 1, 3, 5},
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{0, 12, 8, 1, 1, 9, 0, 15, 6},
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{0, 11, 6, 15, 4, 15, 14, 5, 12}},
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{{0, 6, 2, 12, 8, 3, 3, 9, 3},
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{0, 12, 1, 5, 2, 15, 13, 5, 6},
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{0, 9, 12, 2, 3, 12, 4, 6, 10},
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{0, 3, 7, 14, 5, 0, 1, 0, 9}},
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{{0, 12, 13, 7, 5, 15, 4, 7, 14},
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{0, 11, 10, 14, 12, 10, 14, 12, 11},
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{0, 7, 6, 12, 14, 5, 10, 8, 13},
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{0, 14, 12, 3, 11, 9, 7, 15, 0}},
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{{0, 5, 12, 11, 11, 13, 14, 5, 5},
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{0, 9, 6, 12, 1, 3, 0, 2, 0},
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{0, 3, 9, 5, 5, 6, 1, 0, 15},
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{0, 10, 0, 11, 12, 10, 6, 14, 3}},
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{{0, 9, 0, 4, 12, 0, 7, 10, 0},
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{0, 5, 9, 11, 10, 9, 11, 15, 14},
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{0, 10, 3, 10, 2, 3, 13, 5, 3},
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{0, 0, 5, 5, 7, 4, 0, 2, 5}},
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{{0, 0, 5, 2, 4, 14, 5, 6, 12},
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{0, 3, 11, 15, 14, 8, 3, 8, 9},
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{0, 5, 2, 14, 8, 0, 11, 9, 5},
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{0, 6, 14, 2, 2, 5, 8, 3, 6}},
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{{0, 7, 10, 8, 15, 9, 11, 1, 7},
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{0, 8, 5, 1, 9, 6, 8, 6, 2},
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{0, 0, 15, 7, 4, 14, 6, 2, 8},
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{0, 13, 9, 12, 14, 3, 13, 12, 11}}};
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volatile char ibin[16] = {0, 8, 4, 12, 2, 10, 6, 14,
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1, 9, 5, 13, 3, 11, 7, 15};
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ndes_great ie;
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unsigned long itmp, ietmp1, ietmp2;
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char iec[9];
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int irow, icol, iss, l, m;
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int volatile j, jj;
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unsigned long *p;
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p = ndes_bit;
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ie.r = ie.c = ie.l = 0;
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__pragma_loopbound(16, 16);
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for (j = 16, l = 32, m = 48; j >= 1; j--, l--, m--) {
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ie.r = (ie.r << 1) | (p[iet[j]] & ir ? 1 : 0);
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ie.c = (ie.c << 1) | (p[iet[l]] & ir ? 1 : 0);
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ie.l = (ie.l << 1) | (p[iet[m]] & ir ? 1 : 0);
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}
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ie.r ^= k.r;
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ie.c ^= k.c;
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ie.l ^= k.l;
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ietmp1 = ((unsigned long) ie.c << 16) + (unsigned long) ie.r;
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ietmp2 = ((unsigned long) ie.l << 8) + ((unsigned long) ie.c >> 8);
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__pragma_loopbound(4, 4);
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for (j = 1, m = 5; j <= 4; j++, m++) {
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iec[j] = ietmp1 & 0x3fL;
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iec[m] = ietmp2 & 0x3fL;
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ietmp1 >>= 6;
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ietmp2 >>= 6;
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}
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itmp = 0L;
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__pragma_loopbound(8, 8);
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for (jj = 8; jj >= 1; jj--) {
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j = iec[jj];
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irow = ((j & 0x1) << 1) + ((j & 0x20) >> 5);
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icol =
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((j & 0x2) << 2) + (j & 0x4) + ((j & 0x8) >> 2) + ((j & 0x10) >> 4);
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iss = is[icol][irow][jj];
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itmp = (itmp << 4) | ibin[iss];
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}
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*iout = 0L;
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p = ndes_bit;
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__pragma_loopbound(32, 32);
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for (j = 32; j >= 1; j--)
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*iout = (*iout << 1);
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*iout |= (p[ipp[j]] & itmp ? 1 : 0);
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}
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__attribute__((always_inline)) static inline unsigned long
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ndes_getbit(ndes_immense source, int bitno, int nbits) {
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if (bitno <= nbits)
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return ndes_bit[bitno] & source.r ? 1L : 0L;
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else
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return ndes_bit[bitno - nbits] & source.l ? 1L : 0L;
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}
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void
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ndes_ks(/*ndes_immense key, */ int n, ndes_great *kn) {
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int i, j, k, l;
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if (n == 1 || n == 2 || n == 9 || n == 16) {
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ndes_icd.r = (ndes_icd.r | ((ndes_icd.r & 1L) << 28)) >> 1;
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ndes_icd.l = (ndes_icd.l | ((ndes_icd.l & 1L) << 28)) >> 1;
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} else {
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__pragma_loopbound(2, 2);
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for (i = 1; i <= 2; i++) {
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ndes_icd.r = (ndes_icd.r | ((ndes_icd.r & 1L) << 28)) >> 1;
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ndes_icd.l = (ndes_icd.l | ((ndes_icd.l & 1L) << 28)) >> 1;
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}
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}
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(*kn).r = (*kn).c = (*kn).l = 0;
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__pragma_loopbound(16, 16);
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for (j = 16, k = 32, l = 48; j >= 1; j--, k--, l--) {
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(*kn).r = (*kn).r << 1;
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(*kn).r = ((*kn).r) |
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(unsigned short) ndes_getbit(ndes_icd, ndes_ipc2[j], 28);
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(*kn).c = (*kn).c << 1;
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(*kn).c = ((*kn).c) |
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(unsigned short) ndes_getbit(ndes_icd, ndes_ipc2[k], 28);
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(*kn).l = (*kn).l << 1;
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(*kn).l = ((*kn).l) |
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(unsigned short) ndes_getbit(ndes_icd, ndes_ipc2[l], 28);
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}
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}
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__attribute__((always_inline)) static inline int
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ndes_return() {
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return (ndes_icd.r + ndes_icd.l + (-8390656)) != 0;
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}
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__attribute__((noinline)) __attribute__((export_name("entrypoint")))
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__attribute__((noinline)) __attribute__((export_name("entrypoint"))) void
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ndes_main() {
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ndes_des(ndes_inp, ndes_key, &ndes_newkey, ndes_isw, &ndes_out);
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}
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/* main function */
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__attribute__((noinline)) __attribute__((export_name("main")))
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__attribute__((noinline)) __attribute__((export_name("main"))) int
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main(void) {
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ndes_init();
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ndes_main();
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return (ndes_return());
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}
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