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Silence miscellaneous 64-to-32-bit data loss warnings.

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This resolves #341.
This commit is contained in:
Jason Evans
2016-02-25 20:51:00 -08:00
parent 8282a2ad97
commit 42ce80e15a
4 changed files with 14 additions and 15 deletions
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19
include/jemalloc/internal/arena.h
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@@ -634,7 +634,7 @@ bool arena_prof_accum_locked(arena_t *arena, uint64_t accumbytes);
bool arena_prof_accum(arena_t *arena, uint64_t accumbytes);
szind_t arena_ptr_small_binind_get(const void *ptr, size_t mapbits);
szind_t arena_bin_index(arena_t *arena, arena_bin_t *bin);
unsigned arena_run_regind(arena_run_t *run, arena_bin_info_t *bin_info,
size_t arena_run_regind(arena_run_t *run, arena_bin_info_t *bin_info,
const void *ptr);
prof_tctx_t *arena_prof_tctx_get(const void *ptr);
void arena_prof_tctx_set(const void *ptr, size_t usize, prof_tctx_t *tctx);
@@ -1076,11 +1076,10 @@ arena_bin_index(arena_t *arena, arena_bin_t *bin)
return (binind);
}
JEMALLOC_INLINE unsigned
JEMALLOC_INLINE size_t
arena_run_regind(arena_run_t *run, arena_bin_info_t *bin_info, const void *ptr)
{
unsigned shift, diff, regind;
size_t interval;
size_t diff, interval, shift, regind;
arena_chunk_map_misc_t *miscelm = arena_run_to_miscelm(run);
void *rpages = arena_miscelm_to_rpages(miscelm);
@@ -1095,7 +1094,7 @@ arena_run_regind(arena_run_t *run, arena_bin_info_t *bin_info, const void *ptr)
* Avoid doing division with a variable divisor if possible. Using
* actual division here can reduce allocator throughput by over 20%!
*/
diff = (unsigned)((uintptr_t)ptr - (uintptr_t)rpages -
diff = (size_t)((uintptr_t)ptr - (uintptr_t)rpages -
bin_info->reg0_offset);
/* Rescale (factor powers of 2 out of the numerator and denominator). */
@@ -1122,9 +1121,9 @@ arena_run_regind(arena_run_t *run, arena_bin_info_t *bin_info, const void *ptr)
* divide by 0, and 1 and 2 are both powers of two, which are
* handled above.
*/
#define SIZE_INV_SHIFT ((sizeof(unsigned) << 3) - LG_RUN_MAXREGS)
#define SIZE_INV(s) (((1U << SIZE_INV_SHIFT) / (s)) + 1)
static const unsigned interval_invs[] = {
#define SIZE_INV_SHIFT ((sizeof(size_t) << 3) - LG_RUN_MAXREGS)
#define SIZE_INV(s) (((ZU(1) << SIZE_INV_SHIFT) / (s)) + 1)
static const size_t interval_invs[] = {
SIZE_INV(3),
SIZE_INV(4), SIZE_INV(5), SIZE_INV(6), SIZE_INV(7),
SIZE_INV(8), SIZE_INV(9), SIZE_INV(10), SIZE_INV(11),
@@ -1135,8 +1134,8 @@ arena_run_regind(arena_run_t *run, arena_bin_info_t *bin_info, const void *ptr)
SIZE_INV(28), SIZE_INV(29), SIZE_INV(30), SIZE_INV(31)
};
if (likely(interval <= ((sizeof(interval_invs) /
sizeof(unsigned)) + 2))) {
if (likely(interval <= ((sizeof(interval_invs) / sizeof(size_t))
+ 2))) {
regind = (diff * interval_invs[interval - 3]) >>
SIZE_INV_SHIFT;
} else