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x64: Enable LJ_GC64 mode by default.

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This commit is contained in:
Mike Pall
2019-12-08 21:21:30 +01:00
parent 70f4b15ee4
commit bd00094c3b
5 changed files with 17 additions and 17 deletions
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5
doc/extensions.html
View File

@@ -208,9 +208,8 @@ bytecode (e.g. from Lua 5.1) is incompatible and cannot be loaded.
</p>
<p>
Note: <tt>LJ_GC64</tt> mode requires a different frame layout, which implies
a different, incompatible bytecode format for ports that use this mode (e.g.
ARM64 or MIPS64) or when explicitly enabled for x64. This may be rectified
in the future.
a different, incompatible bytecode format for all 64 bit ports. This may be
rectified in the future.
</p>
<h3 id="table_new"><tt>table.new(narray, nhash)</tt> allocates a pre-sized table</h3>

11
doc/install.html
View File

@@ -175,12 +175,11 @@ Please read the instructions given in these files, before changing
any settings.
</p>
<p>
LuaJIT on x64 currently uses 32 bit GC objects by default.
<tt>LJ_GC64</tt> mode may be explicitly enabled:
add <tt>XCFLAGS=-DLUAJIT_ENABLE_GC64</tt> to the make command or run
<tt>msvcbuild gc64</tt> for MSVC/WinSDK. Please check the note
about the <a href="extensions.html#string_dump">bytecode format</a>
differences, too.
All LuaJIT 64 bit ports use 64 bit GC objects by default (<tt>LJ_GC64</tt>).
For x64, you can select the old 32-on-64 bit mode by adding
<tt>XCFLAGS=-DLUAJIT_DISABLE_GC64</tt> to the make command.
Please check the note about the
<a href="extensions.html#string_dump">bytecode format</a> differences, too.
</p>
<h2 id="posix">POSIX Systems (Linux, OSX, *BSD etc.)</h2>