Merge branch 'dev' into dev-slice

.gitattributes

@@ -2,6 +2,7 @@
 * text eol=lf
 *.png binary
 *.pdn binary
+*.jpg binary
 *.sln binary
 *.suo binary
 *.vcproj binary

CMakeLists.txt

@@ -186,8 +186,11 @@ if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU|Intel" AND NOT CMAKE_SYSTEM
 endif()
 
 # Architecture flags
-if(${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "arm")
+if(${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "arm" AND NOT APPLE)
-    list(APPEND mi_cflags -march=native)
+    check_cxx_compiler_flag(-march=native CXX_SUPPORTS_MARCH_NATIVE)
+    if (CXX_SUPPORTS_MARCH_NATIVE)
+        list(APPEND mi_cflags -march=native)
+    endif()
 endif()
 
 # extra needed libraries

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include/mimalloc-atomic.h

@@ -282,16 +282,22 @@ static inline void mi_atomic_yield(void) {
   YieldProcessor();
 }
 #elif (defined(__GNUC__) || defined(__clang__)) && \
-      (defined(__x86_64__) || defined(__i386__) || defined(__arm__) || defined(__aarch64__))
+      (defined(__x86_64__) || defined(__i386__) || (defined(__arm__) && __ARM_ARCH__ >= 7) || defined(__aarch64__))
 #if defined(__x86_64__) || defined(__i386__)
 static inline void mi_atomic_yield(void) {
   __asm__ volatile ("pause" ::: "memory");
 }
-#elif defined(__arm__) || defined(__aarch64__)
+#elif (defined(__arm__) && __ARM_ARCH__ >= 7) || defined(__aarch64__)
 static inline void mi_atomic_yield(void) {
-  __asm__ volatile("yield");
+  __asm__ volatile("yield" ::: "memory");
 }
 #endif
+#elif defined(__sun)
+// Fallback for other archs
+#include <synch.h>
+static inline void mi_atomic_yield(void) {
+  smt_pause();
+}
 #elif defined(__wasi__)
 #include <sched.h>
 static inline void mi_atomic_yield(void) {
@@ -305,4 +311,4 @@ static inline void mi_atomic_yield(void) {
 #endif
 
 
-#endif // __MIMALLOC_ATOMIC_H
+#endif // __MIMALLOC_ATOMIC_H

include/mimalloc-override.h

@@ -24,7 +24,7 @@ not accidentally mix pointers from different allocators).
 #define free(p)                 mi_free(p)
 
 #define strdup(s)               mi_strdup(s)
-#define strndup(s)              mi_strndup(s)
+#define strndup(s,n)              mi_strndup(s,n)
 #define realpath(f,n)           mi_realpath(f,n)
 
 // Microsoft extensions
@@ -33,7 +33,7 @@ not accidentally mix pointers from different allocators).
 #define _recalloc(p,n,c)        mi_recalloc(p,n,c)
 
 #define _strdup(s)              mi_strdup(s)
-#define _strndup(s)             mi_strndup(s)
+#define _strndup(s,n)           mi_strndup(s,n)
 #define _wcsdup(s)              (wchar_t*)mi_wcsdup((const unsigned short*)(s))
 #define _mbsdup(s)              mi_mbsdup(s)
 #define _dupenv_s(b,n,v)        mi_dupenv_s(b,n,v)

readme.md

@@ -102,6 +102,8 @@ free list encoding](https://github.com/microsoft/mimalloc/blob/783e3377f79ee82af
 
 Special thanks to:
 
+* [David Carlier](https://devnexen.blogspot.com/) (@devnexen) for his many contributions, and making
+  mimalloc work better on many less common operating systems, like Haiku, Dragonfly, etc.
 * Mary Feofanova (@mary3000), Evgeniy Moiseenko, and Manuel Pöter (@mpoeter) for making mimalloc TSAN checkable, and finding
   memory model bugs using the [genMC] model checker.
 * Weipeng Liu (@pongba), Zhuowei Li, Junhua Wang, and Jakub Szymanski, for their early support of mimalloc and deployment
@@ -112,6 +114,14 @@ Special thanks to:
 
 [genMC]: https://plv.mpi-sws.org/genmc/
 
+### Usage
+
+mimalloc is used in various large scale low-latency services and programs, for example:
+
+<a href="https://www.bing.com"><img align="left"  height="50" src="https://upload.wikimedia.org/wikipedia/commons/e/e9/Bing_logo.svg"></a>
+<a href="https://azure.microsoft.com/"><img align="left" height="50" src="https://upload.wikimedia.org/wikipedia/commons/a/a8/Microsoft_Azure_Logo.svg"></a>
+<a href="https://deathstrandingpc.505games.com"><img height="100" src="doc/ds-logo.jpg" style="border-radius=1ex;vertical-align:center"></a>
+
 # Building
 
 ## Windows