switch to using C++ atomics in MSVC as well

This commit is contained in:
daan 2020-07-25 20:55:45 -07:00
parent 73c109a04e
commit e27422adca
2 changed files with 13 additions and 5 deletions

View File

@ -13,12 +13,12 @@ terms of the MIT license. A copy of the license can be found in the file
// We need to be portable between C, C++, and MSVC.
// ------------------------------------------------------
#if defined(_MSC_VER)
#define _Atomic(tp) tp
#define ATOMIC_VAR_INIT(x) x
#elif defined(__cplusplus)
#if defined(__cplusplus)
#include <atomic>
#define _Atomic(tp) std::atomic<tp>
#elif defined(_MSC_VER)
#define _Atomic(tp) tp
#define ATOMIC_VAR_INIT(x) x
#else
#include <stdatomic.h>
#endif
@ -126,7 +126,7 @@ static inline intptr_t mi_atomic_subi(volatile _Atomic(intptr_t)* p, intptr_t su
(T*)mi_atomic_exchange((volatile _Atomic(uintptr_t)*)(p), (uintptr_t)((T*)exchange))
#ifdef _MSC_VER
#if !defined(__cplusplus) && defined(_MSC_VER)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <intrin.h>

View File

@ -72,6 +72,14 @@ static inline uintptr_t mi_bitmap_mask_(size_t count, size_t bitidx) {
#if defined(_MSC_VER)
#define MI_HAVE_BITSCAN
#include <intrin.h>
#ifndef MI_64
#if MI_INTPTR_SIZE==8
#define MI_64(f) f##64
#else
#define MI_64(f) f
#endif
#endif
static inline size_t mi_bsf(uintptr_t x) {
if (x==0) return 8*MI_INTPTR_SIZE;
DWORD idx;