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Merge branch 'brz-guintptr' into 'main'

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brz.c: Use uintptr_t instead of a hardcoded list of 64-bit arches

See merge request GNOME/glib!3812
This commit is contained in:
Philip Withnall 2024-01-15 22:16:00 +00:00
commit 2784028552
1 changed files with 12 additions and 47 deletions
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53
girepository/cmph/brz.c
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@ -12,6 +12,7 @@
#include "bitbool.h"
#include <math.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <assert.h>
#include <string.h>
@ -20,9 +21,6 @@
//#define DEBUG
#include "debug.h"
#if defined (__ia64) || defined (__x86_64__) || defined (_WIN64)
# define __brz_use_64bit__
#endif
static int brz_gen_mphf(cmph_config_t *mph);
static cmph_uint32 brz_min_index(cmph_uint32 * vector, cmph_uint32 n);
@ -755,11 +753,7 @@ void brz_pack(cmph_t *mphf, void *packed_mphf)
cmph_uint8 * ptr = packed_mphf;
cmph_uint32 i,n;
CMPH_HASH h0_type, h1_type, h2_type;
#ifdef __brz_use_64bit__
cmph_uint64 * g_is_ptr;
#else
cmph_uint32 * g_is_ptr;
#endif
uintptr_t *g_is_ptr;
cmph_uint8 * g_i;
// packing internal algo type
@ -801,21 +795,13 @@ void brz_pack(cmph_t *mphf, void *packed_mphf)
memcpy(ptr, data->offset, sizeof(cmph_uint32)*data->k);
ptr += sizeof(cmph_uint32)*data->k;
#ifdef __brz_use_64bit__
g_is_ptr = (cmph_uint64 *)ptr;
#else
g_is_ptr = (cmph_uint32 *)ptr;
#endif
g_is_ptr = (uintptr_t *)ptr;
g_i = (cmph_uint8 *) (g_is_ptr + data->k);
for(i = 0; i < data->k; i++)
{
#ifdef __brz_use_64bit__
*g_is_ptr++ = (cmph_uint64)g_i;
#else
*g_is_ptr++ = (cmph_uint32)g_i;
#endif
*g_is_ptr++ = (uintptr_t)g_i;
// packing h1[i]
hash_state_pack(data->h1[i], g_i);
g_i += hash_state_packed_size(h1_type);
@ -859,12 +845,7 @@ cmph_uint32 brz_packed_size(cmph_t *mphf)
size = (cmph_uint32)(2*sizeof(CMPH_ALGO) + 3*sizeof(CMPH_HASH) + hash_state_packed_size(h0_type) + sizeof(cmph_uint32) +
sizeof(double) + sizeof(cmph_uint8)*data->k + sizeof(cmph_uint32)*data->k);
// pointers to g_is
#ifdef __brz_use_64bit__
size += (cmph_uint32) sizeof(cmph_uint64)*data->k;
#else
size += (cmph_uint32) sizeof(cmph_uint32)*data->k;
#endif
size += (cmph_uint32) sizeof(uintptr_t) * data->k;
size += hash_state_packed_size(h1_type) * data->k;
size += hash_state_packed_size(h2_type) * data->k;
@ -897,11 +878,7 @@ static cmph_uint32 brz_bmz8_search_packed(cmph_uint32 *packed_mphf, const char *
register double c;
register CMPH_HASH h1_type, h2_type;
register cmph_uint8 * size;
#ifdef __brz_use_64bit__
register cmph_uint64 * g_is_ptr;
#else
register cmph_uint32 * g_is_ptr;
#endif
register uintptr_t *g_is_ptr;
register cmph_uint8 *h1_ptr, *h2_ptr, *g;
register cmph_uint8 mphf_bucket;
@ -929,11 +906,7 @@ static cmph_uint32 brz_bmz8_search_packed(cmph_uint32 *packed_mphf, const char *
m = size[h0];
n = (cmph_uint32)ceil(c * m);
#ifdef __brz_use_64bit__
g_is_ptr = (cmph_uint64 *)packed_mphf;
#else
g_is_ptr = packed_mphf;
#endif
g_is_ptr = (uintptr_t *)packed_mphf;
h1_ptr = (cmph_uint8 *) g_is_ptr[h0];
@ -961,11 +934,7 @@ static cmph_uint32 brz_fch_search_packed(cmph_uint32 *packed_mphf, const char *k
register CMPH_HASH h1_type, h2_type;
register cmph_uint8 *size, *h1_ptr, *h2_ptr, *g;
register cmph_uint32 *offset;
#ifdef __brz_use_64bit__
register cmph_uint64 * g_is_ptr;
#else
register cmph_uint32 * g_is_ptr;
#endif
register uintptr_t *g_is_ptr;
register cmph_uint8 mphf_bucket;
packed_mphf = (cmph_uint32 *)(((cmph_uint8 *)packed_mphf) + hash_state_packed_size(h0_type));
@ -993,11 +962,7 @@ static cmph_uint32 brz_fch_search_packed(cmph_uint32 *packed_mphf, const char *k
p1 = fch_calc_p1(m);
p2 = fch_calc_p2(b);
#ifdef __brz_use_64bit__
g_is_ptr = (cmph_uint64 *)packed_mphf;
#else
g_is_ptr = packed_mphf;
#endif
g_is_ptr = (uintptr_t *)packed_mphf;
h1_ptr = (cmph_uint8 *) g_is_ptr[h0];