[reactos] 08/17: [CRT] Do not define builtin functions if not needed

[Jérôme Gardou]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=8aea84dab78c0fa82540f…

commit 8aea84dab78c0fa82540fe7a3b291af831549e5a
Author:     Jérôme Gardou <jerome.gardou(a)reactos.org>
AuthorDate: Thu Apr 29 22:25:54 2021 +0200
Commit:     Jérôme Gardou <zefklop(a)users.noreply.github.com>
CommitDate: Mon May 3 22:00:57 2021 +0200

    [CRT] Do not define builtin functions if not needed
---
 sdk/include/crt/mingw32/intrin_x86.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sdk/include/crt/mingw32/intrin_x86.h b/sdk/include/crt/mingw32/intrin_x86.h
index 5cf6c2884b3..888bf795313 100644
--- a/sdk/include/crt/mingw32/intrin_x86.h
+++ b/sdk/include/crt/mingw32/intrin_x86.h
@@ -663,16 +663,20 @@ __INTRIN_INLINE short _InterlockedIncrement16(volatile short *
lpAddend)
 #endif
 
 #if defined(__x86_64__)
+#if !HAS_BUILTIN(_InterlockedDecrement64)
 __INTRIN_INLINE long long _InterlockedDecrement64(volatile long long * lpAddend)
 {
 	return _InterlockedExchangeAdd64(lpAddend, -1) - 1;
 }
+#endif
 
+#if !HAS_BUILTIN(_InterlockedIncrement64)
 __INTRIN_INLINE long long _InterlockedIncrement64(volatile long long * lpAddend)
 {
 	return _InterlockedExchangeAdd64(lpAddend, 1) + 1;
 }
 #endif
+#endif
 
 #endif /* (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) > 40100 */