LuaJIT: Update to LuaJIT/LuaJIT@a91d0d9d3b

love/src/jni/LuaJIT-2.1/android/arm64-v8a/jit/bcsave.lua

@@ -60,6 +60,11 @@ local function savefile(name, mode)
   return check(io.open(name, mode))
 end
 
+local function set_stdout_binary(ffi)
+  ffi.cdef[[int _setmode(int fd, int mode);]]
+  ffi.C._setmode(1, 0x8000)
+end
+
 ------------------------------------------------------------------------------
 
 local map_type = {
@@ -125,6 +130,11 @@ local function bcsave_tail(fp, output, s)
 end
 
 local function bcsave_raw(output, s)
+  if output == "-" and jit.os == "Windows" then
+    local ok, ffi = pcall(require, "ffi")
+    check(ok, "FFI library required to write binary file to stdout")
+    set_stdout_binary(ffi)
+  end
   local fp = savefile(output, "wb")
   bcsave_tail(fp, output, s)
 end
@@ -568,6 +578,9 @@ end
 local function bcsave_obj(ctx, output, s)
   local ok, ffi = pcall(require, "ffi")
   check(ok, "FFI library required to write this file type")
+  if output == "-" and jit.os == "Windows" then
+    set_stdout_binary(ffi)
+  end
   if ctx.os == "windows" then
     return bcsave_peobj(ctx, output, s, ffi)
   elseif ctx.os == "osx" then

love/src/jni/LuaJIT-2.1/android/armeabi-v7a/jit/bcsave.lua

@@ -60,6 +60,11 @@ local function savefile(name, mode)
   return check(io.open(name, mode))
 end
 
+local function set_stdout_binary(ffi)
+  ffi.cdef[[int _setmode(int fd, int mode);]]
+  ffi.C._setmode(1, 0x8000)
+end
+
 ------------------------------------------------------------------------------
 
 local map_type = {
@@ -125,6 +130,11 @@ local function bcsave_tail(fp, output, s)
 end
 
 local function bcsave_raw(output, s)
+  if output == "-" and jit.os == "Windows" then
+    local ok, ffi = pcall(require, "ffi")
+    check(ok, "FFI library required to write binary file to stdout")
+    set_stdout_binary(ffi)
+  end
   local fp = savefile(output, "wb")
   bcsave_tail(fp, output, s)
 end
@@ -568,6 +578,9 @@ end
 local function bcsave_obj(ctx, output, s)
   local ok, ffi = pcall(require, "ffi")
   check(ok, "FFI library required to write this file type")
+  if output == "-" and jit.os == "Windows" then
+    set_stdout_binary(ffi)
+  end
   if ctx.os == "windows" then
     return bcsave_peobj(ctx, output, s, ffi)
   elseif ctx.os == "osx" then

love/src/jni/LuaJIT-2.1/android/x86/jit/bcsave.lua

@@ -60,6 +60,11 @@ local function savefile(name, mode)
   return check(io.open(name, mode))
 end
 
+local function set_stdout_binary(ffi)
+  ffi.cdef[[int _setmode(int fd, int mode);]]
+  ffi.C._setmode(1, 0x8000)
+end
+
 ------------------------------------------------------------------------------
 
 local map_type = {
@@ -125,6 +130,11 @@ local function bcsave_tail(fp, output, s)
 end
 
 local function bcsave_raw(output, s)
+  if output == "-" and jit.os == "Windows" then
+    local ok, ffi = pcall(require, "ffi")
+    check(ok, "FFI library required to write binary file to stdout")
+    set_stdout_binary(ffi)
+  end
   local fp = savefile(output, "wb")
   bcsave_tail(fp, output, s)
 end
@@ -568,6 +578,9 @@ end
 local function bcsave_obj(ctx, output, s)
   local ok, ffi = pcall(require, "ffi")
   check(ok, "FFI library required to write this file type")
+  if output == "-" and jit.os == "Windows" then
+    set_stdout_binary(ffi)
+  end
   if ctx.os == "windows" then
     return bcsave_peobj(ctx, output, s, ffi)
   elseif ctx.os == "osx" then

love/src/jni/LuaJIT-2.1/android/x86_64/jit/bcsave.lua

@@ -60,6 +60,11 @@ local function savefile(name, mode)
   return check(io.open(name, mode))
 end
 
+local function set_stdout_binary(ffi)
+  ffi.cdef[[int _setmode(int fd, int mode);]]
+  ffi.C._setmode(1, 0x8000)
+end
+
 ------------------------------------------------------------------------------
 
 local map_type = {
@@ -125,6 +130,11 @@ local function bcsave_tail(fp, output, s)
 end
 
 local function bcsave_raw(output, s)
+  if output == "-" and jit.os == "Windows" then
+    local ok, ffi = pcall(require, "ffi")
+    check(ok, "FFI library required to write binary file to stdout")
+    set_stdout_binary(ffi)
+  end
   local fp = savefile(output, "wb")
   bcsave_tail(fp, output, s)
 end
@@ -568,6 +578,9 @@ end
 local function bcsave_obj(ctx, output, s)
   local ok, ffi = pcall(require, "ffi")
   check(ok, "FFI library required to write this file type")
+  if output == "-" and jit.os == "Windows" then
+    set_stdout_binary(ffi)
+  end
   if ctx.os == "windows" then
     return bcsave_peobj(ctx, output, s, ffi)
   elseif ctx.os == "osx" then

love/src/jni/LuaJIT-2.1/build_instructions.bat

@@ -1,10 +1,8 @@
 rem Build instruction assume using WSL + Clang for Windows (with MSVC x86+x64 toolset for -m32 switch)
 rem This assume NDK r19 or later. See https://github.com/LuaJIT/LuaJIT/issues/477 for more information.
 
-rem Make sure LuaJIT and the prebuilt is already in your PATH environment variable.
-rem As of commit 384d6d5 in LuaJIT v2.1 repository, lj_ircall.h.patch is no longer needed.
-
-rem If you're confused which one should be added your path:
+rem Make sure LuaJIT (yes, you need LuaJIT interpreter) and the NDK toolchain binaries is already in
+rem your PATH environment variable. If you're confused which part of the NDK should be added your path:
 rem <NDK_ROOT>\toolchains\llvm\prebuilt\windows-x86_64\bin
 
 mkdir android\arm64-v8a

love/src/jni/LuaJIT-2.1/doc/install.html

@@ -411,7 +411,8 @@ NDKCROSS=$NDKBIN/aarch64-linux-android-
 NDKCC=$NDKBIN/aarch64-linux-android21-clang
 make CROSS=$NDKCROSS \
      STATIC_CC=$NDKCC DYNAMIC_CC="$NDKCC -fPIC" \
-     TARGET_LD=$NDKCC
+     TARGET_LD=$NDKCC TARGET_AR=$NDKBIN/llvm-ar
+     TARGET_STRIP=$NDKBIN/llvm-strip
 
 # Android/ARM, armeabi-v7a (ARMv7 VFP), Android 4.1+ (JB)
 NDKDIR=/opt/android/ndk
@@ -420,7 +421,8 @@ NDKCROSS=$NDKBIN/arm-linux-androideabi-
 NDKCC=$NDKBIN/armv7a-linux-androideabi16-clang
 make HOST_CC="gcc -m32" CROSS=$NDKCROSS \
      STATIC_CC=$NDKCC DYNAMIC_CC="$NDKCC -fPIC" \
-     TARGET_LD=$NDKCC
+     TARGET_LD=$NDKCC TARGET_AR=$NDKBIN/llvm-ar
+     TARGET_STRIP=$NDKBIN/llvm-strip
 </pre>
 <p>
 You can cross-compile for <b id="ios">iOS 3.0+</b> (iPhone/iPad) using the <a href="https://developer.apple.com/ios/"><span class="ext">&raquo;</span>&nbsp;iOS SDK</a>:

love/src/jni/LuaJIT-2.1/src/jit/bcsave.lua

@@ -60,6 +60,11 @@ local function savefile(name, mode)
   return check(io.open(name, mode))
 end
 
+local function set_stdout_binary(ffi)
+  ffi.cdef[[int _setmode(int fd, int mode);]]
+  ffi.C._setmode(1, 0x8000)
+end
+
 ------------------------------------------------------------------------------
 
 local map_type = {
@@ -125,6 +130,11 @@ local function bcsave_tail(fp, output, s)
 end
 
 local function bcsave_raw(output, s)
+  if output == "-" and jit.os == "Windows" then
+    local ok, ffi = pcall(require, "ffi")
+    check(ok, "FFI library required to write binary file to stdout")
+    set_stdout_binary(ffi)
+  end
   local fp = savefile(output, "wb")
   bcsave_tail(fp, output, s)
 end
@@ -568,6 +578,9 @@ end
 local function bcsave_obj(ctx, output, s)
   local ok, ffi = pcall(require, "ffi")
   check(ok, "FFI library required to write this file type")
+  if output == "-" and jit.os == "Windows" then
+    set_stdout_binary(ffi)
+  end
   if ctx.os == "windows" then
     return bcsave_peobj(ctx, output, s, ffi)
   elseif ctx.os == "osx" then

love/src/jni/LuaJIT-2.1/src/lj_opt_fold.c

@@ -1037,8 +1037,7 @@ LJFOLDF(simplify_numadd_xneg)
 LJFOLD(SUB any KNUM)
 LJFOLDF(simplify_numsub_k)
 {
-  lua_Number n = knumright;
-  if (n == 0.0)  /* x - (+-0) ==> x */
+  if (ir_knum(fright)->u64 == 0)  /* x - (+0) ==> x */
     return LEFTFOLD;
   return NEXTFOLD;
 }
@@ -2412,6 +2411,17 @@ LJFOLDF(xload_kptr)
 LJFOLD(XLOAD any any)
 LJFOLDX(lj_opt_fwd_xload)
 
+/* -- Frame handling ------------------------------------------------------ */
+
+/* Prevent CSE of a REF_BASE operand across IR_RETF. */
+LJFOLD(SUB any BASE)
+LJFOLD(SUB BASE any)
+LJFOLD(EQ any BASE)
+LJFOLDF(fold_base)
+{
+  return lj_opt_cselim(J, J->chain[IR_RETF]);
+}
+
 /* -- Write barriers ------------------------------------------------------ */
 
 /* Write barriers are amenable to CSE, but not across any incremental