_M_X64           1828 ext/opcache/ZendAccelerator.c #ifdef _M_X64
_M_X64            150 ext/pcre/pcrelib/sljit/sljitConfigInternal.h #if defined(_M_X64) || defined(__x86_64__)
_M_X64           9062 ext/sqlite3/libsqlite/sqlite3.c      defined(__x86_64) || defined(__x86_64__) || defined(_M_X64)  ||    \