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mdbx: avoid Valgrind warnings.

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Леонид Юрьев (Leonid Yuriev) 2022-08-11 12:39:30 +03:00
parent ae730ae2f3
commit 34a4e7e102
1 changed files with 6 additions and 3 deletions
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9
src/core.c
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@ -6016,7 +6016,8 @@ scan4seq_sse2(pgno_t *range, const size_t len, const unsigned seq) {
* Поэтому проверяем смещение на странице, а с ASAN всегда страхуемся. */
#ifndef __SANITIZE_ADDRESS__
const unsigned on_page_safe_mask = 0xff0 /* enough for '-15' bytes offset */;
if (likely(on_page_safe_mask & (uintptr_t)(range + offset))) {
if (likely(on_page_safe_mask & (uintptr_t)(range + offset)) &&
!RUNNING_ON_VALGRIND) {
const unsigned extra = (unsigned)(detent + 4 - range);
assert(extra > 0 && extra < 4);
mask = 0xF << extra;
@ -6077,7 +6078,8 @@ scan4seq_avx2(pgno_t *range, const size_t len, const unsigned seq) {
* Поэтому проверяем смещение на странице, а с ASAN всегда страхуемся. */
#ifndef __SANITIZE_ADDRESS__
const unsigned on_page_safe_mask = 0xfe0 /* enough for '-31' bytes offset */;
if (likely(on_page_safe_mask & (uintptr_t)(range + offset))) {
if (likely(on_page_safe_mask & (uintptr_t)(range + offset)) &&
!RUNNING_ON_VALGRIND) {
const unsigned extra = (unsigned)(detent + 8 - range);
assert(extra > 0 && extra < 8);
mask = 0xFF << extra;
@ -6144,7 +6146,8 @@ scan4seq_avx512bw(pgno_t *range, const size_t len, const unsigned seq) {
* Поэтому проверяем смещение на странице, а с ASAN всегда страхуемся. */
#ifndef __SANITIZE_ADDRESS__
const unsigned on_page_safe_mask = 0xfc0 /* enough for '-63' bytes offset */;
if (likely(on_page_safe_mask & (uintptr_t)(range + offset))) {
if (likely(on_page_safe_mask & (uintptr_t)(range + offset)) &&
!RUNNING_ON_VALGRIND) {
const unsigned extra = (unsigned)(detent + 16 - range);
assert(extra > 0 && extra < 16);
mask = 0xFFFF << extra;