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

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

This is the 10.6 version of
commit fb8fea34 (10.5).

storage/innobase/include/fil0fil.h

@@ -572,7 +572,7 @@ struct fil_space_t final
 #if defined __GNUC__ && (defined __i386__ || defined __x86_64__)
     static_assert(NEEDS_FSYNC == 1U << 29, "compatibility");
     __asm__ __volatile__("lock btrl $29, %0" : "+m" (n_pending));
-#elif defined _MSC_VER && (defined _M_IX86 || defined _M_IX64)
+#elif defined _MSC_VER && (defined _M_IX86 || defined _M_X64)
     static_assert(NEEDS_FSYNC == 1U << 29, "compatibility");
     _interlockedbittestandreset(reinterpret_cast<volatile long*>
                                 (&n_pending), 29);
@@ -588,7 +588,7 @@ struct fil_space_t final
 #if defined __GNUC__ && (defined __i386__ || defined __x86_64__)
     static_assert(CLOSING == 1U << 30, "compatibility");
     __asm__ __volatile__("lock btrl $30, %0" : "+m" (n_pending));
-#elif defined _MSC_VER && (defined _M_IX86 || defined _M_IX64)
+#elif defined _MSC_VER && (defined _M_IX86 || defined _M_X64)
     static_assert(CLOSING == 1U << 30, "compatibility");
     _interlockedbittestandreset(reinterpret_cast<volatile long*>
                                 (&n_pending), 30);
@@ -1555,7 +1555,7 @@ inline bool fil_space_t::set_stopping_check()
   return true;
 not_stopped:
   return false;
-#elif defined _MSC_VER && (defined _M_IX86 || defined _M_IX64)
+#elif defined _MSC_VER && (defined _M_IX86 || defined _M_X64)
   static_assert(STOPPING == 1U << 31, "compatibility");
   return _interlockedbittestandset(reinterpret_cast<volatile long*>
                                    (&n_pending), 31);
@@ -1572,7 +1572,7 @@ inline void fil_space_t::set_stopping()
 #if defined __GNUC__ && (defined __i386__ || defined __x86_64__)
   static_assert(STOPPING == 1U << 31, "compatibility");
   __asm__ __volatile__("lock btsl $31, %0" : "+m" (n_pending));
-#elif defined _MSC_VER && (defined _M_IX86 || defined _M_IX64)
+#elif defined _MSC_VER && (defined _M_IX86 || defined _M_X64)
   static_assert(STOPPING == 1U << 31, "compatibility");
   _interlockedbittestandset(reinterpret_cast<volatile long*>(&n_pending), 31);
 #else

storage/innobase/include/rw_lock.h

@@ -56,7 +56,7 @@ class rw_lock
 #if defined __GNUC__ && (defined __i386__ || defined __x86_64__)
     static_assert(WRITER_WAITING == 1U << 30, "compatibility");
     __asm__ __volatile__("lock btsl $30, %0" : "+m" (lock));
-#elif defined _MSC_VER && (defined _M_IX86 || defined _M_IX64)
+#elif defined _MSC_VER && (defined _M_IX86 || defined _M_X64)
     static_assert(WRITER_WAITING == 1U << 30, "compatibility");
     _interlockedbittestandset(reinterpret_cast<volatile long*>(&lock), 30);
 #else

storage/innobase/include/srw_lock.h

@@ -224,7 +224,7 @@ class ssux_lock_impl final
   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

storage/innobase/include/trx0rseg.h

@@ -116,7 +116,7 @@ struct MY_ALIGNED(CPU_LEVEL1_DCACHE_LINESIZE) trx_rseg_t
       __asm__ __volatile__("lock btsl $1, %0" : "+m" (ref));
     else
       __asm__ __volatile__("lock btsl $0, %0" : "+m" (ref));
-#elif defined _MSC_VER && (defined _M_IX86 || defined _M_IX64)
+#elif defined _MSC_VER && (defined _M_IX86 || defined _M_X64)
     _interlockedbittestandset(reinterpret_cast<volatile long*>(&ref),
                               needs_purge);
 #else
@@ -133,7 +133,7 @@ struct MY_ALIGNED(CPU_LEVEL1_DCACHE_LINESIZE) trx_rseg_t
       __asm__ __volatile__("lock btrl $1, %0" : "+m" (ref));
     else
       __asm__ __volatile__("lock btrl $0, %0" : "+m" (ref));
-#elif defined _MSC_VER && (defined _M_IX86 || defined _M_IX64)
+#elif defined _MSC_VER && (defined _M_IX86 || defined _M_X64)
     _interlockedbittestandreset(reinterpret_cast<volatile long*>(&ref),
                                 needs_purge);
 #else

storage/innobase/sync/srw_lock.cc

@@ -385,7 +385,7 @@ assembler code or a Microsoft intrinsic function.
 # define IF_NOT_FETCH_OR_GOTO(mem, bit, label)				\
   __asm__ goto("lock btsl $" #bit ", %0\n\t"				\
                "jnc %l1" : : "m" (mem) : "cc", "memory" : label);
-#elif defined _MSC_VER && (defined _M_IX86 || defined _M_IX64)
+#elif defined _MSC_VER && (defined _M_IX86 || defined _M_X64)
 # define IF_FETCH_OR_GOTO(mem, bit, label)				\
   if (_interlockedbittestandset(reinterpret_cast<volatile long*>(&mem), bit)) \
     goto label;