Let's talk about memory accesses:

emu/emumem_aspace.cpp: Got rid of static accessors structure, added a
helper for obtaining info for dispatching specific accessors.

cpu/drcbex64.cpp: Directly dispatch specific memory accessors for native
width reads and writes no larger than native width.

Author: cuavas

scripts/genie.lua

@@ -570,14 +570,6 @@ configuration { "gmake or ninja" }
 
 dofile ("toolchain.lua")
 
-if _OPTIONS["targetos"]=="windows" then
-	configuration { "x64" }
-		defines {
-			"X64_WINDOWS_ABI",
-		}
-	configuration { }
-end
-
 -- Avoid error when invoking genie --help.
 if (_ACTION == nil) then return false end