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fix build on msvc in C compilation; fix build with clang-cl on Windows

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This commit is contained in:
Daan Leijen 2025-01-06 10:27:46 -08:00
parent 9ec5da08b2
commit 5764845c4d
4 changed files with 37 additions and 26 deletions
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16
CMakeLists.txt
View file

@ -102,10 +102,17 @@ endif()
# -----------------------------------------------------------------------------
# Process options
# -----------------------------------------------------------------------------
if(CMAKE_C_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_FRONTEND_VARIANT STREQUAL "MSVC")
set(MI_CLANG_CL "ON")
endif()
# put -Wall early so other warnings can be disabled selectively
if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang")
if (MI_CLANG_CL)
list(APPEND mi_cflags -W)
else()
list(APPEND mi_cflags -Wall -Wextra -Wpedantic)
endif()
endif()
if(CMAKE_C_COMPILER_ID MATCHES "GNU")
list(APPEND mi_cflags -Wall -Wextra)
@ -371,7 +378,7 @@ endif()
# endif()
# Compiler flags
if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU")
if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU" AND NOT MI_CLANG_CL)
list(APPEND mi_cflags -Wno-unknown-pragmas -fvisibility=hidden)
if(NOT MI_USE_CXX)
list(APPEND mi_cflags -Wstrict-prototypes)
@ -385,7 +392,7 @@ if(CMAKE_C_COMPILER_ID MATCHES "Intel")
list(APPEND mi_cflags -fvisibility=hidden)
endif()
if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU|Intel" AND NOT CMAKE_SYSTEM_NAME MATCHES "Haiku")
if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU|Intel" AND NOT CMAKE_SYSTEM_NAME MATCHES "Haiku" AND NOT MI_CLANG_CL)
if(MI_LOCAL_DYNAMIC_TLS)
list(APPEND mi_cflags -ftls-model=local-dynamic)
else()
@ -401,6 +408,9 @@ if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU|Intel" AND NOT CMAKE_SYSTEM
if(MI_OVERRIDE)
list(APPEND mi_cflags -fno-builtin-malloc)
endif()
endif()
if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU|Intel" AND NOT CMAKE_SYSTEM_NAME MATCHES "Haiku")
if(MI_OPT_ARCH)
if(MI_ARCH STREQUAL "arm64")
set(MI_OPT_ARCH_FLAGS "-march=armv8.1-a") # fast atomics
@ -410,7 +420,7 @@ endif()
if (MSVC AND MSVC_VERSION GREATER_EQUAL 1914)
list(APPEND mi_cflags /Zc:__cplusplus)
if(MI_OPT_ARCH)
if(MI_OPT_ARCH AND NOT MI_CLANG_CL)
if(MI_ARCH STREQUAL "arm64")
set(MI_OPT_ARCH_FLAGS "/arch:armv8.1") # fast atomics
endif()

1
include/mimalloc/atomic.h
View file

@ -290,6 +290,7 @@ static inline bool mi_atomic_casi64_strong_acq_rel(volatile _Atomic(int64_t*)p,
#define mi_atomic_cas_ptr_weak_release(tp,p,exp,des) mi_atomic_cas_weak_release((_Atomic(uintptr_t)*)(p),(uintptr_t*)exp,(uintptr_t)des)
#define mi_atomic_cas_ptr_weak_acq_rel(tp,p,exp,des) mi_atomic_cas_weak_acq_rel((_Atomic(uintptr_t)*)(p),(uintptr_t*)exp,(uintptr_t)des)
#define mi_atomic_cas_ptr_strong_release(tp,p,exp,des) mi_atomic_cas_strong_release((_Atomic(uintptr_t)*)(p),(uintptr_t*)exp,(uintptr_t)des)
#define mi_atomic_exchange_ptr_relaxed(tp,p,x) (tp*)mi_atomic_exchange_relaxed((_Atomic(uintptr_t)*)(p),(uintptr_t)x)
#define mi_atomic_exchange_ptr_release(tp,p,x) (tp*)mi_atomic_exchange_release((_Atomic(uintptr_t)*)(p),(uintptr_t)x)
#define mi_atomic_exchange_ptr_acq_rel(tp,p,x) (tp*)mi_atomic_exchange_acq_rel((_Atomic(uintptr_t)*)(p),(uintptr_t)x)

6
src/arena.c
View file

@ -603,7 +603,7 @@ static void mi_arenas_try_purge( bool force, bool visit_all )
// check if any arena needs purging?
const mi_msecs_t now = _mi_clock_now();
mi_msecs_t arenas_expire = mi_atomic_load_acquire(&mi_arenas_purge_expire);
mi_msecs_t arenas_expire = mi_atomic_loadi64_acquire(&mi_arenas_purge_expire);
if (!force && (arenas_expire == 0 || arenas_expire < now)) return;
const size_t max_arena = mi_atomic_load_acquire(&mi_arena_count);
@ -614,7 +614,7 @@ static void mi_arenas_try_purge( bool force, bool visit_all )
mi_atomic_guard(&purge_guard)
{
// increase global expire: at most one purge per delay cycle
mi_atomic_store_release(&mi_arenas_purge_expire, now + mi_arena_purge_delay());
mi_atomic_storei64_release(&mi_arenas_purge_expire, now + mi_arena_purge_delay());
size_t max_purge_count = (visit_all ? max_arena : 2);
bool all_visited = true;
for (size_t i = 0; i < max_arena; i++) {
@ -631,7 +631,7 @@ static void mi_arenas_try_purge( bool force, bool visit_all )
}
if (all_visited) {
// all arena's were visited and purged: reset global expire
mi_atomic_store_release(&mi_arenas_purge_expire, 0);
mi_atomic_storei64_release(&mi_arenas_purge_expire, 0);
}
}
}

2
src/prim/windows/prim.c
View file

@ -173,7 +173,7 @@ int _mi_prim_free(void* addr, size_t size ) {
// In mi_os_mem_alloc_aligned the fallback path may have returned a pointer inside
// the memory region returned by VirtualAlloc; in that case we need to free using
// the start of the region.
MEMORY_BASIC_INFORMATION info = { 0 };
MEMORY_BASIC_INFORMATION info; _mi_memzero_var(info);
VirtualQuery(addr, &info, sizeof(info));
if (info.AllocationBase < addr && ((uint8_t*)addr - (uint8_t*)info.AllocationBase) < (ptrdiff_t)MI_SEGMENT_SIZE) {
errcode = 0;