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make mimalloc compile with the highest warning level on msvc

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daan 2020-01-16 18:12:01 -08:00
parent b84b11b6a9
commit 6b7356a10a
3 changed files with 13 additions and 12 deletions
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2
ide/vs2019/mimalloc.vcxproj
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@ -111,7 +111,7 @@
</ItemDefinitionGroup> </ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'"> <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<ClCompile> <ClCompile>
<WarningLevel>Level2</WarningLevel> <WarningLevel>Level4</WarningLevel>
<Optimization>Disabled</Optimization> <Optimization>Disabled</Optimization>
<SDLCheck>true</SDLCheck> <SDLCheck>true</SDLCheck>
<ConformanceMode>true</ConformanceMode> <ConformanceMode>true</ConformanceMode>

1
include/mimalloc-internal.h
View file

@ -21,6 +21,7 @@ terms of the MIT license. A copy of the license can be found in the file
#endif #endif
#if defined(_MSC_VER) #if defined(_MSC_VER)
#pragma warning(disable:4127) // constant conditional due to MI_SECURE paths
#define mi_decl_noinline __declspec(noinline) #define mi_decl_noinline __declspec(noinline)
#define mi_attr_noreturn #define mi_attr_noreturn
#elif defined(__GNUC__) || defined(__clang__) #elif defined(__GNUC__) || defined(__clang__)

22
src/memory.c
View file

@ -80,7 +80,7 @@ typedef union mi_region_info_u {
bool valid; bool valid;
bool is_large; bool is_large;
short numa_node; short numa_node;
}; } x;
} mi_region_info_t; } mi_region_info_t;
@ -204,9 +204,9 @@ static bool mi_region_try_alloc_os(size_t blocks, bool commit, bool allow_large,
// and share it // and share it
mi_region_info_t info; mi_region_info_t info;
info.valid = true; info.x.valid = true;
info.is_large = region_large; info.x.is_large = region_large;
info.numa_node = _mi_os_numa_node(tld); info.x.numa_node = (short)_mi_os_numa_node(tld);
mi_atomic_write(&r->info, info.value); // now make it available to others mi_atomic_write(&r->info, info.value); // now make it available to others
*region = r; *region = r;
return true; return true;
@ -224,12 +224,12 @@ static bool mi_region_is_suitable(const mem_region_t* region, int numa_node, boo
// numa correct // numa correct
if (numa_node >= 0) { // use negative numa node to always succeed if (numa_node >= 0) { // use negative numa node to always succeed
int rnode = info.numa_node; int rnode = info.x.numa_node;
if (rnode >= 0 && rnode != numa_node) return false; if (rnode >= 0 && rnode != numa_node) return false;
} }
// check allow-large // check allow-large
if (!allow_large && info.is_large) return false; if (!allow_large && info.x.is_large) return false;
return true; return true;
} }
@ -278,11 +278,11 @@ static void* mi_region_try_alloc(size_t blocks, bool* commit, bool* is_large, bo
mi_region_info_t info; mi_region_info_t info;
info.value = mi_atomic_read(&region->info); info.value = mi_atomic_read(&region->info);
void* start = mi_atomic_read_ptr(&region->start); void* start = mi_atomic_read_ptr(&region->start);
mi_assert_internal(!(info.is_large && !*is_large)); mi_assert_internal(!(info.x.is_large && !*is_large));
mi_assert_internal(start != NULL); mi_assert_internal(start != NULL);
*is_zero = mi_bitmap_unclaim(&region->dirty, 1, blocks, bit_idx); *is_zero = mi_bitmap_unclaim(&region->dirty, 1, blocks, bit_idx);
*is_large = info.is_large; *is_large = info.x.is_large;
*memid = mi_memid_create(region, bit_idx); *memid = mi_memid_create(region, bit_idx);
void* p = (uint8_t*)start + (mi_bitmap_index_bit_in_field(bit_idx) * MI_SEGMENT_SIZE); void* p = (uint8_t*)start + (mi_bitmap_index_bit_in_field(bit_idx) * MI_SEGMENT_SIZE);
@ -292,7 +292,7 @@ static void* mi_region_try_alloc(size_t blocks, bool* commit, bool* is_large, bo
bool any_uncommitted; bool any_uncommitted;
mi_bitmap_claim(&region->commit, 1, blocks, bit_idx, &any_uncommitted); mi_bitmap_claim(&region->commit, 1, blocks, bit_idx, &any_uncommitted);
if (any_uncommitted) { if (any_uncommitted) {
mi_assert_internal(!info.is_large); mi_assert_internal(!info.x.is_large);
bool commit_zero; bool commit_zero;
_mi_mem_commit(p, blocks * MI_SEGMENT_SIZE, &commit_zero, tld); _mi_mem_commit(p, blocks * MI_SEGMENT_SIZE, &commit_zero, tld);
if (commit_zero) *is_zero = true; if (commit_zero) *is_zero = true;
@ -307,7 +307,7 @@ static void* mi_region_try_alloc(size_t blocks, bool* commit, bool* is_large, bo
// unreset reset blocks // unreset reset blocks
if (mi_bitmap_is_any_claimed(&region->reset, 1, blocks, bit_idx)) { if (mi_bitmap_is_any_claimed(&region->reset, 1, blocks, bit_idx)) {
// some blocks are still reset // some blocks are still reset
mi_assert_internal(!info.is_large); mi_assert_internal(!info.x.is_large);
mi_assert_internal(!mi_option_is_enabled(mi_option_eager_commit) || *commit || mi_option_get(mi_option_eager_commit_delay) > 0); mi_assert_internal(!mi_option_is_enabled(mi_option_eager_commit) || *commit || mi_option_get(mi_option_eager_commit_delay) > 0);
mi_bitmap_unclaim(&region->reset, 1, blocks, bit_idx); mi_bitmap_unclaim(&region->reset, 1, blocks, bit_idx);
if (*commit || !mi_option_is_enabled(mi_option_reset_decommits)) { // only if needed if (*commit || !mi_option_is_enabled(mi_option_reset_decommits)) { // only if needed
@ -412,7 +412,7 @@ void _mi_mem_free(void* p, size_t size, size_t id, bool full_commit, bool any_re
} }
// reset the blocks to reduce the working set. // reset the blocks to reduce the working set.
if (!info.is_large && mi_option_is_enabled(mi_option_segment_reset) if (!info.x.is_large && mi_option_is_enabled(mi_option_segment_reset)
&& (mi_option_is_enabled(mi_option_eager_commit) || && (mi_option_is_enabled(mi_option_eager_commit) ||
mi_option_is_enabled(mi_option_reset_decommits))) // cannot reset halfway committed segments, use only `option_page_reset` instead mi_option_is_enabled(mi_option_reset_decommits))) // cannot reset halfway committed segments, use only `option_page_reset` instead
{ {