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MDEV-27667 Fix MDEV-26720 on 64-bit Microsoft Windows

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The correct macro to detect the AMD64 ISA is _M_X64, not M_IX64.

This is the 10.6 version of
commit fb8fea3490 (10.5).
This commit is contained in:
Marko Mäkelä 2022-01-28 16:42:37 +02:00
commit c478a5533e
5 changed files with 9 additions and 9 deletions
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2
storage/innobase/include/srw_lock.h
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@ -224,7 +224,7 @@ public:
void wr_lock()
{
writer.wr_lock();
#if defined __i386__||defined __x86_64__||defined _M_IX86||defined _M_IX64
#if defined __i386__||defined __x86_64__||defined _M_IX86||defined _M_X64
/* On IA-32 and AMD64, this type of fetch_or() can only be implemented
as a loop around LOCK CMPXCHG. In this particular case, setting the
most significant bit using fetch_add() is equivalent, and is