const unsigned char *nasm_stdmac_find_package(const char *package)
{
static const struct {
const char *package;
const unsigned char *macros;
} packages[2] = {
{ "altreg", nasm_stdmac_altreg },
{ "smartalign", nasm_stdmac_smartalign },
};
#define UNUSED 16383
static const int16_t hash1[2] = {
0,
-1,
};
static const int16_t hash2[2] = {
1,
UNUSED,
};
uint32_t k1, k2;
uint64_t crc;
uint16_t ix;
crc = crc64i(UINT64_C(0x076259c3e291c26c), package);
k1 = (uint32_t)crc;
k2 = (uint32_t)(crc >> 32);
ix = hash1[k1 & 0x1] + hash2[k2 & 0x1];
if (ix >= 2)
return NULL;
if (nasm_stricmp(packages[ix].package, package))
return NULL;
return packages[ix].macros;
}
enum preproc_token pp_token_hash(const char *token)
{
#define UNUSED 16383
static const int16_t hash1[128] = {
UNUSED,
UNUSED,
0,
0,
0,
0,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
0,
UNUSED,
UNUSED,
0,
0,
UNUSED,
0,
UNUSED,
UNUSED,
UNUSED,
0,
-45,
UNUSED,
0,
UNUSED,
-60,
0,
UNUSED,
UNUSED,
-42,
UNUSED,
UNUSED,
-49,
UNUSED,
UNUSED,
0,
UNUSED,
UNUSED,
0,
UNUSED,
UNUSED,
UNUSED,
48,
UNUSED,
UNUSED,
49,
5,
UNUSED,
-52,
65,
UNUSED,
UNUSED,
0,
0,
UNUSED,
38,
UNUSED,
30,
0,
UNUSED,
6,
35,
UNUSED,
UNUSED,
60,
34,
UNUSED,
134,
UNUSED,
-86,
-11,
41,
17,
0,
129,
-84,
UNUSED,
UNUSED,
82,
0,
UNUSED,
16,
97,
-65,
-100,
0,
-10,
-76,
UNUSED,
UNUSED,
UNUSED,
1,
UNUSED,
0,
12,
UNUSED,
-145,
41,
105,
UNUSED,
84,
UNUSED,
43,
85,
UNUSED,
22,
0,
-13,
UNUSED,
UNUSED,
77,
-2,
UNUSED,
UNUSED,
11,
91,
-6,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
106,
44,
UNUSED,
};
static const int16_t hash2[128] = {
UNUSED,
0,
UNUSED,
0,
UNUSED,
UNUSED,
0,
UNUSED,
UNUSED,
0,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
0,
80,
0,
64,
UNUSED,
0,
0,
0,
0,
UNUSED,
UNUSED,
UNUSED,
64,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
0,
121,
0,
UNUSED,
21,
99,
63,
UNUSED,
114,
UNUSED,
178,
UNUSED,
UNUSED,
UNUSED,
0,
UNUSED,
-39,
UNUSED,
88,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
87,
UNUSED,
42,
UNUSED,
UNUSED,
141,
UNUSED,
UNUSED,
UNUSED,
102,
UNUSED,
46,
105,
149,
UNUSED,
23,
53,
0,
UNUSED,
UNUSED,
UNUSED,
0,
UNUSED,
UNUSED,
UNUSED,
33,
0,
0,
92,
UNUSED,
50,
72,
UNUSED,
7,
42,
65,
UNUSED,
UNUSED,
112,
52,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
UNUSED,
98,
100,
71,
UNUSED,
19,
63,
32,
UNUSED,
UNUSED,
UNUSED,
96,
17,
84,
132,
UNUSED,
37,
UNUSED,
9,
20,
UNUSED,
UNUSED,
75,
97,
UNUSED,
};
uint32_t k1, k2;
uint64_t crc;
uint16_t ix;
crc = crc64i(UINT64_C(0xaee7ac5ccabdec91), token);
k1 = (uint32_t)crc;
k2 = (uint32_t)(crc >> 32);
ix = hash1[k1 & 0x7f] + hash2[k2 & 0x7f];
if (ix >= 108)
return PP_INVALID;
if (!pp_directives[ix] || nasm_stricmp(pp_directives[ix], token))
return PP_INVALID;
return ix;
}
