LJ_GC64: Add build options and install instructions.

2 files changed, 10 insertions, 1 deletions

diff --git a/src/Makefile b/src/Makefile
index 4e479ae5..21e16a22 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -110,6 +110,9 @@ XCFLAGS=
 #XCFLAGS+= -DLUAJIT_NUMMODE=1
 #XCFLAGS+= -DLUAJIT_NUMMODE=2
 #
+# Enable GC64 mode for x64.
+#XCFLAGS+= -DLUAJIT_ENABLE_GC64
+#
 ##############################################################################
 
 ##############################################################################
diff --git a/src/msvcbuild.bat b/src/msvcbuild.bat
index 4334bbde..f7a1addc 100644
--- a/src/msvcbuild.bat
+++ b/src/msvcbuild.bat
@@ -20,6 +20,7 @@
 @set LJLIB=lib /nologo /nodefaultlib

 @set DASMDIR=..\dynasm

 @set DASM=%DASMDIR%\dynasm.lua

+@set DASC=vm_x86.dasc

 @set LJDLLNAME=lua51.dll

 @set LJLIBNAME=lua51.lib

 @set ALL_LIB=lib_base.c lib_math.c lib_bit.c lib_string.c lib_table.c lib_io.c lib_os.c lib_package.c lib_debug.c lib_jit.c lib_ffi.c

@@ -39,7 +40,12 @@ if exist minilua.exe.manifest^
 @set LJARCH=x86

 @set LJCOMPILE=%LJCOMPILE% /arch:SSE2

 :X64

-minilua %DASM% -LN %DASMFLAGS% -o host\buildvm_arch.h vm_x86.dasc

+@if "%1" neq "gc64" goto :NOGC64

+@shift

+@set DASC=vm_x64.dasc

+@set LJCOMPILE=%LJCOMPILE% /DLUAJIT_ENABLE_GC64

+:NOGC64

+minilua %DASM% -LN %DASMFLAGS% -o host\buildvm_arch.h %DASC%

 @if errorlevel 1 goto :BAD

 

 %LJCOMPILE% /I "." /I %DASMDIR% host\buildvm*.c