Update LuaJIT to LuaJIT/LuaJIT@1c27912705.

2026-08-21 05:00:22 +02:00 · 2023-04-18 10:25:19 +08:00
parent c8ebfc3427
commit 5187166c3d
296 changed files with 1734 additions and 1082 deletions
@@ -1,7 +1,7 @@
 ===============================================================================
 LuaJIT -- a Just-In-Time Compiler for Lua. https://luajit.org/

-Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+Copyright (C) 2005-2022 Mike Pall. All rights reserved.

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -10,7 +10,7 @@
 # For MSVC, please follow the instructions given in src/msvcbuild.bat.
 # For MinGW and Cygwin, cd to src and run make with the Makefile there.
 #
-# Copyright (C) 2005-2021 Mike Pall. See Copyright Notice in luajit.h
+# Copyright (C) 2005-2022 Mike Pall. See Copyright Notice in luajit.h
 ##############################################################################

 MAJVER=  2
@@ -33,7 +33,8 @@ DPREFIX= $(DESTDIR)$(PREFIX)
 INSTALL_BIN=   $(DPREFIX)/bin
 INSTALL_LIB=   $(DPREFIX)/$(MULTILIB)
 INSTALL_SHARE= $(DPREFIX)/share
-INSTALL_INC=   $(DPREFIX)/include/luajit-$(MAJVER).$(MINVER)
+INSTALL_DEFINC= $(DPREFIX)/include/luajit-$(MAJVER).$(MINVER)
+INSTALL_INC=   $(INSTALL_DEFINC)

 INSTALL_LJLIBD= $(INSTALL_SHARE)/luajit-$(VERSION)
 INSTALL_JITLIB= $(INSTALL_LJLIBD)/jit
@@ -78,6 +79,9 @@ UNINSTALL= $(RM)
 LDCONFIG= ldconfig -n 2>/dev/null
 SED_PC= sed -e "s|^prefix=.*|prefix=$(PREFIX)|" \
            -e "s|^multilib=.*|multilib=$(MULTILIB)|"
+ifneq ($(INSTALL_DEFINC),$(INSTALL_INC))
+  SED_PC+= -e "s|^includedir=.*|includedir=$(INSTALL_INC)|"
+endif

 FILE_T= luajit
 FILE_A= libluajit.a
@@ -5,7 +5,7 @@ LuaJIT is a Just-In-Time (JIT) compiler for the Lua programming language.

 Project Homepage: https://luajit.org/

-LuaJIT is Copyright (C) 2005-2021 Mike Pall.
+LuaJIT is Copyright (C) 2005-2022 Mike Pall.
 LuaJIT is free software, released under the MIT license.
 See full Copyright Notice in the COPYRIGHT file or in luajit.h.

@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT bytecode listing module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT module to save/list bytecode.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -33,6 +33,7 @@ Save LuaJIT bytecode: luajit -b[options] input output
  -t type   Set output file type (default: auto-detect from output name).
  -a arch   Override architecture for object files (default: native).
  -o os     Override OS for object files (default: native).
+  -F name   Override filename (default: input filename).
  -e chunk  Use chunk string as input.
  --        Stop handling options.
  -         Use stdin as input and/or stdout as output.
@@ -49,10 +50,22 @@ local function check(ok, ...)
  os.exit(1)
 end

-local function readfile(input)
+local function readfile(ctx, input)
  if type(input) == "function" then return input end
-  if input == "-" then input = nil end
-  return check(loadfile(input))
+  if ctx.filename then
+    local data
+    if input == "-" then
+      data = io.stdin:read("*a")
+    else
+      local fp = assert(io.open(input, "rb"))
+      data = assert(fp:read("*a"))
+      assert(fp:close())
+    end
+    return check(load(data, ctx.filename))
+  else
+    if input == "-" then input = nil end
+    return check(loadfile(input))
+  end
 end

 local function savefile(name, mode)
@@ -456,18 +469,18 @@ typedef struct {
  uint32_t value;
 } mach_nlist;
 typedef struct {
-  uint32_t strx;
+  int32_t strx;
  uint8_t type, sect;
  uint16_t desc;
  uint64_t value;
 } mach_nlist_64;
 typedef struct
 {
-  uint32_t magic, nfat_arch;
+  int32_t magic, nfat_arch;
 } mach_fat_header;
 typedef struct
 {
-  uint32_t cputype, cpusubtype, offset, size, align;
+  int32_t cputype, cpusubtype, offset, size, align;
 } mach_fat_arch;
 typedef struct {
  struct {
@@ -501,6 +514,18 @@ typedef struct {
  mach_nlist sym_entry;
  uint8_t space[4096];
 } mach_fat_obj;
+typedef struct {
+  mach_fat_header fat;
+  mach_fat_arch fat_arch[2];
+  struct {
+    mach_header_64 hdr;
+    mach_segment_command_64 seg;
+    mach_section_64 sec;
+    mach_symtab_command sym;
+  } arch[2];
+  mach_nlist_64 sym_entry;
+  uint8_t space[4096];
+} mach_fat_obj_64;
 ]]
  local symname = '_'..LJBC_PREFIX..ctx.modname
  local isfat, is64, align, mobj = false, false, 4, "mach_obj"
@@ -509,7 +534,7 @@ typedef struct {
  elseif ctx.arch == "arm" then
    isfat, mobj = true, "mach_fat_obj"
  elseif ctx.arch == "arm64" then
-    is64, align, isfat, mobj = true, 8, true, "mach_fat_obj"
+    is64, align, isfat, mobj = true, 8, true, "mach_fat_obj_64"
  else
    check(ctx.arch == "x86", "unsupported architecture for OSX")
  end
@@ -592,13 +617,13 @@ end

 ------------------------------------------------------------------------------

-local function bclist(input, output)
-  local f = readfile(input)
+local function bclist(ctx, input, output)
+  local f = readfile(ctx, input)
  require("jit.bc").dump(f, savefile(output, "w"), true)
 end

 local function bcsave(ctx, input, output)
-  local f = readfile(input)
+  local f = readfile(ctx, input)
  local s = string.dump(f, ctx.strip)
  local t = ctx.type
  if not t then
@@ -651,6 +676,8 @@ local function docmd(...)
 	    ctx.arch = checkarg(tremove(arg, n), map_arch, "architecture")
 	  elseif opt == "o" then
 	    ctx.os = checkarg(tremove(arg, n), map_os, "OS name")
+	  elseif opt == "F" then
+	    ctx.filename = "@"..tremove(arg, n)
 	  else
 	    usage()
 	  end
@@ -662,7 +689,7 @@ local function docmd(...)
  end
  if list then
    if #arg == 0 or #arg > 2 then usage() end
-    bclist(arg[1], arg[2] or "-")
+    bclist(ctx, arg[1], arg[2] or "-")
  else
    if #arg ~= 2 then usage() end
    bcsave(ctx, arg[1], arg[2])
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT ARM disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT ARM64 disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 --
 -- Contributed by Djordje Kovacevic and Stefan Pejic from RT-RK.com.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT ARM64BE disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- ARM64 instructions are always little-endian. So just forward to the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT/X license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64 disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the big-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64EL disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the little-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64R6 disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the r6 big-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64R6EL disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the r6 little-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPSEL disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the little-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT PPC disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT/X license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT x64 disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the 64 bit functions from the combined
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT x86/x64 disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT compiler dump module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT profiler.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- Verbose mode of the LuaJIT compiler.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -76,7 +76,6 @@ ircall = {
 "sqrt",
 "log",
 "lj_vm_log2",
-"lj_vm_powi",
 "pow",
 "atan2",
 "ldexp",
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT profiler zones.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT bytecode listing module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT module to save/list bytecode.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -33,6 +33,7 @@ Save LuaJIT bytecode: luajit -b[options] input output
  -t type   Set output file type (default: auto-detect from output name).
  -a arch   Override architecture for object files (default: native).
  -o os     Override OS for object files (default: native).
+  -F name   Override filename (default: input filename).
  -e chunk  Use chunk string as input.
  --        Stop handling options.
  -         Use stdin as input and/or stdout as output.
@@ -49,10 +50,22 @@ local function check(ok, ...)
  os.exit(1)
 end

-local function readfile(input)
+local function readfile(ctx, input)
  if type(input) == "function" then return input end
-  if input == "-" then input = nil end
-  return check(loadfile(input))
+  if ctx.filename then
+    local data
+    if input == "-" then
+      data = io.stdin:read("*a")
+    else
+      local fp = assert(io.open(input, "rb"))
+      data = assert(fp:read("*a"))
+      assert(fp:close())
+    end
+    return check(load(data, ctx.filename))
+  else
+    if input == "-" then input = nil end
+    return check(loadfile(input))
+  end
 end

 local function savefile(name, mode)
@@ -456,18 +469,18 @@ typedef struct {
  uint32_t value;
 } mach_nlist;
 typedef struct {
-  uint32_t strx;
+  int32_t strx;
  uint8_t type, sect;
  uint16_t desc;
  uint64_t value;
 } mach_nlist_64;
 typedef struct
 {
-  uint32_t magic, nfat_arch;
+  int32_t magic, nfat_arch;
 } mach_fat_header;
 typedef struct
 {
-  uint32_t cputype, cpusubtype, offset, size, align;
+  int32_t cputype, cpusubtype, offset, size, align;
 } mach_fat_arch;
 typedef struct {
  struct {
@@ -501,6 +514,18 @@ typedef struct {
  mach_nlist sym_entry;
  uint8_t space[4096];
 } mach_fat_obj;
+typedef struct {
+  mach_fat_header fat;
+  mach_fat_arch fat_arch[2];
+  struct {
+    mach_header_64 hdr;
+    mach_segment_command_64 seg;
+    mach_section_64 sec;
+    mach_symtab_command sym;
+  } arch[2];
+  mach_nlist_64 sym_entry;
+  uint8_t space[4096];
+} mach_fat_obj_64;
 ]]
  local symname = '_'..LJBC_PREFIX..ctx.modname
  local isfat, is64, align, mobj = false, false, 4, "mach_obj"
@@ -509,7 +534,7 @@ typedef struct {
  elseif ctx.arch == "arm" then
    isfat, mobj = true, "mach_fat_obj"
  elseif ctx.arch == "arm64" then
-    is64, align, isfat, mobj = true, 8, true, "mach_fat_obj"
+    is64, align, isfat, mobj = true, 8, true, "mach_fat_obj_64"
  else
    check(ctx.arch == "x86", "unsupported architecture for OSX")
  end
@@ -592,13 +617,13 @@ end

 ------------------------------------------------------------------------------

-local function bclist(input, output)
-  local f = readfile(input)
+local function bclist(ctx, input, output)
+  local f = readfile(ctx, input)
  require("jit.bc").dump(f, savefile(output, "w"), true)
 end

 local function bcsave(ctx, input, output)
-  local f = readfile(input)
+  local f = readfile(ctx, input)
  local s = string.dump(f, ctx.strip)
  local t = ctx.type
  if not t then
@@ -651,6 +676,8 @@ local function docmd(...)
 	    ctx.arch = checkarg(tremove(arg, n), map_arch, "architecture")
 	  elseif opt == "o" then
 	    ctx.os = checkarg(tremove(arg, n), map_os, "OS name")
+	  elseif opt == "F" then
+	    ctx.filename = "@"..tremove(arg, n)
 	  else
 	    usage()
 	  end
@@ -662,7 +689,7 @@ local function docmd(...)
  end
  if list then
    if #arg == 0 or #arg > 2 then usage() end
-    bclist(arg[1], arg[2] or "-")
+    bclist(ctx, arg[1], arg[2] or "-")
  else
    if #arg ~= 2 then usage() end
    bcsave(ctx, arg[1], arg[2])
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT ARM disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT ARM64 disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 --
 -- Contributed by Djordje Kovacevic and Stefan Pejic from RT-RK.com.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT ARM64BE disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- ARM64 instructions are always little-endian. So just forward to the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT/X license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64 disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the big-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64EL disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the little-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64R6 disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the r6 big-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64R6EL disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the r6 little-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPSEL disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the little-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT PPC disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT/X license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT x64 disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the 64 bit functions from the combined
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT x86/x64 disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT compiler dump module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT profiler.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- Verbose mode of the LuaJIT compiler.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -76,7 +76,6 @@ ircall = {
 "sqrt",
 "log",
 "lj_vm_log2",
-"lj_vm_powi",
 "pow",
 "atan2",
 "ldexp",
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT profiler zones.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT bytecode listing module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT module to save/list bytecode.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -33,6 +33,7 @@ Save LuaJIT bytecode: luajit -b[options] input output
  -t type   Set output file type (default: auto-detect from output name).
  -a arch   Override architecture for object files (default: native).
  -o os     Override OS for object files (default: native).
+  -F name   Override filename (default: input filename).
  -e chunk  Use chunk string as input.
  --        Stop handling options.
  -         Use stdin as input and/or stdout as output.
@@ -49,10 +50,22 @@ local function check(ok, ...)
  os.exit(1)
 end

-local function readfile(input)
+local function readfile(ctx, input)
  if type(input) == "function" then return input end
-  if input == "-" then input = nil end
-  return check(loadfile(input))
+  if ctx.filename then
+    local data
+    if input == "-" then
+      data = io.stdin:read("*a")
+    else
+      local fp = assert(io.open(input, "rb"))
+      data = assert(fp:read("*a"))
+      assert(fp:close())
+    end
+    return check(load(data, ctx.filename))
+  else
+    if input == "-" then input = nil end
+    return check(loadfile(input))
+  end
 end

 local function savefile(name, mode)
@@ -456,18 +469,18 @@ typedef struct {
  uint32_t value;
 } mach_nlist;
 typedef struct {
-  uint32_t strx;
+  int32_t strx;
  uint8_t type, sect;
  uint16_t desc;
  uint64_t value;
 } mach_nlist_64;
 typedef struct
 {
-  uint32_t magic, nfat_arch;
+  int32_t magic, nfat_arch;
 } mach_fat_header;
 typedef struct
 {
-  uint32_t cputype, cpusubtype, offset, size, align;
+  int32_t cputype, cpusubtype, offset, size, align;
 } mach_fat_arch;
 typedef struct {
  struct {
@@ -501,6 +514,18 @@ typedef struct {
  mach_nlist sym_entry;
  uint8_t space[4096];
 } mach_fat_obj;
+typedef struct {
+  mach_fat_header fat;
+  mach_fat_arch fat_arch[2];
+  struct {
+    mach_header_64 hdr;
+    mach_segment_command_64 seg;
+    mach_section_64 sec;
+    mach_symtab_command sym;
+  } arch[2];
+  mach_nlist_64 sym_entry;
+  uint8_t space[4096];
+} mach_fat_obj_64;
 ]]
  local symname = '_'..LJBC_PREFIX..ctx.modname
  local isfat, is64, align, mobj = false, false, 4, "mach_obj"
@@ -509,7 +534,7 @@ typedef struct {
  elseif ctx.arch == "arm" then
    isfat, mobj = true, "mach_fat_obj"
  elseif ctx.arch == "arm64" then
-    is64, align, isfat, mobj = true, 8, true, "mach_fat_obj"
+    is64, align, isfat, mobj = true, 8, true, "mach_fat_obj_64"
  else
    check(ctx.arch == "x86", "unsupported architecture for OSX")
  end
@@ -592,13 +617,13 @@ end

 ------------------------------------------------------------------------------

-local function bclist(input, output)
-  local f = readfile(input)
+local function bclist(ctx, input, output)
+  local f = readfile(ctx, input)
  require("jit.bc").dump(f, savefile(output, "w"), true)
 end

 local function bcsave(ctx, input, output)
-  local f = readfile(input)
+  local f = readfile(ctx, input)
  local s = string.dump(f, ctx.strip)
  local t = ctx.type
  if not t then
@@ -651,6 +676,8 @@ local function docmd(...)
 	    ctx.arch = checkarg(tremove(arg, n), map_arch, "architecture")
 	  elseif opt == "o" then
 	    ctx.os = checkarg(tremove(arg, n), map_os, "OS name")
+	  elseif opt == "F" then
+	    ctx.filename = "@"..tremove(arg, n)
 	  else
 	    usage()
 	  end
@@ -662,7 +689,7 @@ local function docmd(...)
  end
  if list then
    if #arg == 0 or #arg > 2 then usage() end
-    bclist(arg[1], arg[2] or "-")
+    bclist(ctx, arg[1], arg[2] or "-")
  else
    if #arg ~= 2 then usage() end
    bcsave(ctx, arg[1], arg[2])
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT ARM disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT ARM64 disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 --
 -- Contributed by Djordje Kovacevic and Stefan Pejic from RT-RK.com.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT ARM64BE disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- ARM64 instructions are always little-endian. So just forward to the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT/X license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64 disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the big-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64EL disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the little-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64R6 disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the r6 big-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64R6EL disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the r6 little-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPSEL disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the little-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT PPC disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT/X license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT x64 disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the 64 bit functions from the combined
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT x86/x64 disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT compiler dump module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT profiler.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- Verbose mode of the LuaJIT compiler.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -76,7 +76,6 @@ ircall = {
 "sqrt",
 "log",
 "lj_vm_log2",
-"lj_vm_powi",
 "pow",
 "atan2",
 "ldexp",
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT profiler zones.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT bytecode listing module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT module to save/list bytecode.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -33,6 +33,7 @@ Save LuaJIT bytecode: luajit -b[options] input output
  -t type   Set output file type (default: auto-detect from output name).
  -a arch   Override architecture for object files (default: native).
  -o os     Override OS for object files (default: native).
+  -F name   Override filename (default: input filename).
  -e chunk  Use chunk string as input.
  --        Stop handling options.
  -         Use stdin as input and/or stdout as output.
@@ -49,10 +50,22 @@ local function check(ok, ...)
  os.exit(1)
 end

-local function readfile(input)
+local function readfile(ctx, input)
  if type(input) == "function" then return input end
-  if input == "-" then input = nil end
-  return check(loadfile(input))
+  if ctx.filename then
+    local data
+    if input == "-" then
+      data = io.stdin:read("*a")
+    else
+      local fp = assert(io.open(input, "rb"))
+      data = assert(fp:read("*a"))
+      assert(fp:close())
+    end
+    return check(load(data, ctx.filename))
+  else
+    if input == "-" then input = nil end
+    return check(loadfile(input))
+  end
 end

 local function savefile(name, mode)
@@ -456,18 +469,18 @@ typedef struct {
  uint32_t value;
 } mach_nlist;
 typedef struct {
-  uint32_t strx;
+  int32_t strx;
  uint8_t type, sect;
  uint16_t desc;
  uint64_t value;
 } mach_nlist_64;
 typedef struct
 {
-  uint32_t magic, nfat_arch;
+  int32_t magic, nfat_arch;
 } mach_fat_header;
 typedef struct
 {
-  uint32_t cputype, cpusubtype, offset, size, align;
+  int32_t cputype, cpusubtype, offset, size, align;
 } mach_fat_arch;
 typedef struct {
  struct {
@@ -501,6 +514,18 @@ typedef struct {
  mach_nlist sym_entry;
  uint8_t space[4096];
 } mach_fat_obj;
+typedef struct {
+  mach_fat_header fat;
+  mach_fat_arch fat_arch[2];
+  struct {
+    mach_header_64 hdr;
+    mach_segment_command_64 seg;
+    mach_section_64 sec;
+    mach_symtab_command sym;
+  } arch[2];
+  mach_nlist_64 sym_entry;
+  uint8_t space[4096];
+} mach_fat_obj_64;
 ]]
  local symname = '_'..LJBC_PREFIX..ctx.modname
  local isfat, is64, align, mobj = false, false, 4, "mach_obj"
@@ -509,7 +534,7 @@ typedef struct {
  elseif ctx.arch == "arm" then
    isfat, mobj = true, "mach_fat_obj"
  elseif ctx.arch == "arm64" then
-    is64, align, isfat, mobj = true, 8, true, "mach_fat_obj"
+    is64, align, isfat, mobj = true, 8, true, "mach_fat_obj_64"
  else
    check(ctx.arch == "x86", "unsupported architecture for OSX")
  end
@@ -592,13 +617,13 @@ end

 ------------------------------------------------------------------------------

-local function bclist(input, output)
-  local f = readfile(input)
+local function bclist(ctx, input, output)
+  local f = readfile(ctx, input)
  require("jit.bc").dump(f, savefile(output, "w"), true)
 end

 local function bcsave(ctx, input, output)
-  local f = readfile(input)
+  local f = readfile(ctx, input)
  local s = string.dump(f, ctx.strip)
  local t = ctx.type
  if not t then
@@ -651,6 +676,8 @@ local function docmd(...)
 	    ctx.arch = checkarg(tremove(arg, n), map_arch, "architecture")
 	  elseif opt == "o" then
 	    ctx.os = checkarg(tremove(arg, n), map_os, "OS name")
+	  elseif opt == "F" then
+	    ctx.filename = "@"..tremove(arg, n)
 	  else
 	    usage()
 	  end
@@ -662,7 +689,7 @@ local function docmd(...)
  end
  if list then
    if #arg == 0 or #arg > 2 then usage() end
-    bclist(arg[1], arg[2] or "-")
+    bclist(ctx, arg[1], arg[2] or "-")
  else
    if #arg ~= 2 then usage() end
    bcsave(ctx, arg[1], arg[2])
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT ARM disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT ARM64 disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 --
 -- Contributed by Djordje Kovacevic and Stefan Pejic from RT-RK.com.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT ARM64BE disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- ARM64 instructions are always little-endian. So just forward to the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT/X license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64 disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the big-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64EL disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the little-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64R6 disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the r6 big-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPS64R6EL disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the r6 little-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT MIPSEL disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the little-endian functions from the
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT PPC disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT/X license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT x64 disassembler wrapper module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This module just exports the 64 bit functions from the combined
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT x86/x64 disassembler module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 -- This is a helper module used by the LuaJIT machine code dumper module.
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT compiler dump module.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT profiler.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- Verbose mode of the LuaJIT compiler.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -76,7 +76,6 @@ ircall = {
 "sqrt",
 "log",
 "lj_vm_log2",
-"lj_vm_powi",
 "pow",
 "atan2",
 "ldexp",
@@ -1,7 +1,7 @@
 ----------------------------------------------------------------------------
 -- LuaJIT profiler zones.
 --
-- Copyright (C) 2005-2021 Mike Pall. All rights reserved.
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
 -- Released under the MIT license. See Copyright Notice in luajit.h
 ----------------------------------------------------------------------------
 --
@@ -1,5 +1,5 @@
 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 This assume NDK r23c or later. See https://github.com/LuaJIT/LuaJIT/issues/477 for more information.

 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:
@@ -18,18 +18,9 @@ call :compile arm64-v8a aarch64-linux-android 21
 if "%ERRORLEVEL%" == "1" goto :error

 rem ARMv7
-rem ARMv7 is complicated.
-if exist android\armeabi-v7a\libluajit.a goto :x86
-wsl make clean
+call :compile armeabi-v7a armv7a-linux-androideabi 16 -m32
 if not "%ERRORLEVEL%" == "0" goto :error
-wsl make HOST_LUA=luajit.exe "HOST_CC=clang.exe -m32" HOST_CFLAGS=-D_CRT_SECURE_NO_WARNINGS CC=clang CROSS=arm-linux-androideabi- STATIC_CC=armv7a-linux-androideabi16-clang "DYNAMIC_CC=armv7a-linux-androideabi16-clang -fPIC" "TARGET_AR=arm-linux-androideabi-ar.exe rcus" TARGET_LD=armv7a-linux-androideabi16-clang TARGET_LDFLAGS=-fuse-ld=lld TARGET_STRIP=arm-linux-androideabi-strip.exe amalg -j4
-if not "%ERRORLEVEL%" == "0" goto :error
-copy src\libluajit.a android\armeabi-v7a\libluajit.a
-if not "%ERRORLEVEL%" == "0" goto :error
-xcopy src\jit android\armeabi-v7a\jit /I
-del android\armeabi-v7a\jit\.gitignore

-:x86
 rem x86
 call :compile x86 i686-linux-android 16 -m32
 if not "%ERRORLEVEL%" == "0" goto :error
@@ -44,7 +35,7 @@ goto :done
 if exist android\%1\libluajit.a exit /b 0
 wsl make clean
 if not "%ERRORLEVEL%" == "0" goto :error
-wsl make HOST_LUA=luajit.exe "HOST_CC=clang.exe %4" HOST_CFLAGS=-D_CRT_SECURE_NO_WARNINGS CC=clang CROSS=%2- "STATIC_CC=%2%3-clang -fPIC" "DYNAMIC_CC=%2%3-clang -fPIC" "TARGET_AR=%2-ar.exe rcus" TARGET_LD=%2%3-clang TARGET_LDFLAGS=-fuse-ld=lld TARGET_STRIP=%2-strip.exe amalg -j%NUMBER_OF_PROCESSORS%
+wsl make HOST_LUA=luajit.exe "HOST_CC=clang.exe %4" HOST_CFLAGS=-D_CRT_SECURE_NO_WARNINGS CC=clang CROSS=%2- "STATIC_CC=%2%3-clang -fPIC" "DYNAMIC_CC=%2%3-clang -fPIC" "TARGET_AR=llvm-ar.exe rcus" TARGET_LD=%2%3-clang TARGET_LDFLAGS=-fuse-ld=lld TARGET_STRIP=llvm-strip.exe amalg -j%NUMBER_OF_PROCESSORS%
 if not "%ERRORLEVEL%" == "0" goto :error
 copy src\libluajit.a android\%1\libluajit.a
 if not "%ERRORLEVEL%" == "0" goto :error
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2021 Mike Pall.
+/* Copyright (C) 2004-2022 Mike Pall.
 *
 * You are welcome to use the general ideas of this design for your own sites.
 * But please do not steal the stylesheet, the layout or the color scheme.
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2021 Mike Pall.
+/* Copyright (C) 2004-2022 Mike Pall.
 *
 * You are welcome to use the general ideas of this design for your own sites.
 * But please do not steal the stylesheet, the layout or the color scheme.
@@ -3,7 +3,7 @@
 <head>
 <title>Contact</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2021">
+<meta name="Copyright" content="Copyright (C) 2005-2022">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -50,8 +50,6 @@
 </li><li>
 <a href="faq.html">FAQ</a>
 </li><li>
-<a href="http://wiki.luajit.org/">Wiki <span class="ext">&raquo;</span></a>
-</li><li>
 <a href="https://luajit.org/list.html">Mailing List <span class="ext">&raquo;</span></a>
 </li></ul>
 </div>
@@ -86,10 +84,17 @@ xD("fyZKB8xv\"FJytmz8.KAB0u52D")
 </p>
 </noscript>

+<p><i>
+Note: I cannot reply to GMail, Google Workplace, Outlook or Office365
+mail addresses, since they prefer to mindlessly filter out mails sent
+from small domains using independent mail servers, such as mine. If you
+don't like that, please complain to Google or Microsoft, not me.
+</i></p>
+
 <h2>Copyright</h2>
 <p>
 All documentation is
-Copyright &copy; 2005-2021 Mike Pall.
+Copyright &copy; 2005-2022 Mike Pall.
 </p>


@@ -97,7 +102,7 @@ Copyright &copy; 2005-2021 Mike Pall.
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2021
+Copyright &copy; 2005-2022
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
@@ -3,7 +3,7 @@
 <head>
 <title>String Buffer Library</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2021">
+<meta name="Copyright" content="Copyright (C) 2005-2022">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -61,8 +61,6 @@
 </li><li>
 <a href="faq.html">FAQ</a>
 </li><li>
-<a href="http://wiki.luajit.org/">Wiki <span class="ext">&raquo;</span></a>
-</li><li>
 <a href="https://luajit.org/list.html">Mailing List <span class="ext">&raquo;</span></a>
 </li></ul>
 </div>
@@ -86,7 +84,7 @@ overhead. In conjunction with the FFI library, they allow zero-copy
 operations.
 </p>
 <p>
-The string buffer libary also includes a high-performance
+The string buffer library also includes a high-performance
 <a href="serialize">serializer</a> for Lua objects.
 </p>

@@ -434,8 +432,8 @@ unsupported object types, circular references or deeply nested tables.
 <h3 id="buffer_decode"><tt>obj = buffer.decode(str)<br>
 obj = buf:decode()</tt></h3>
 <p>
-The stand-alone function de-serializes (decodes) the string
-<tt>str</tt>, the buffer method de-serializes one object from the
+The stand-alone function deserializes (decodes) the string
+<tt>str</tt>, the buffer method deserializes one object from the
 buffer. Both return a Lua object <tt>obj</tt>.
 </p>
 <p>
@@ -448,6 +446,10 @@ encoded data. The stand-alone function throws when there's left-over
 data after decoding a single top-level object. The buffer method leaves
 any left-over data in the buffer.
 </p>
+<p>
+Attempting to deserialize an FFI type will throw an error, if the FFI
+library is not built-in or has not been loaded, yet.
+</p>

 <h3 id="serialize_options">Serialization Options</h3>
 <p>
@@ -458,7 +460,7 @@ the following members (all optional):
 <li>
 <tt>dict</tt> is a Lua table holding a <b>dictionary of strings</b> that
 commonly occur as table keys of objects you are serializing. These keys
-are compactly encoded as indexes during serialization. A well chosen
+are compactly encoded as indexes during serialization. A well-chosen
 dictionary saves space and improves serialization performance.
 </li>
 <li>
@@ -469,7 +471,7 @@ for the table objects you are serializing.
 <p>
 <tt>dict</tt> needs to be an array of strings and <tt>metatable</tt> needs
 to be an array of tables. Both starting at index 1 and without holes (no
-<tt>nil</tt> inbetween). The tables are anchored in the buffer object and
+<tt>nil</tt> in between). The tables are anchored in the buffer object and
 internally modified into a two-way index (don't do this yourself, just pass
 a plain array). The tables must not be modified after they have been passed
 to <tt>buffer.new()</tt>.
@@ -620,7 +622,7 @@ errors are best caught with an outer wrapper for larger parts of code.
 There's not much one can do after that, anyway.
 </p>
 <p>
-OTOH you may want to catch some errors individually. Buffer methods need
+OTOH, you may want to catch some errors individually. Buffer methods need
 to receive the buffer object as the first argument. The Lua colon-syntax
 <tt>obj:method()</tt> does that implicitly. But to wrap a method with
 <tt>pcall()</tt>, the arguments need to be passed like this:
@@ -683,7 +685,7 @@ mappings of files are OK, but only if the file does not change.
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2021
+Copyright &copy; 2005-2022
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
@@ -3,7 +3,7 @@
 <head>
 <title>Lua/C API Extensions</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2021">
+<meta name="Copyright" content="Copyright (C) 2005-2022">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -50,8 +50,6 @@
 </li><li>
 <a href="faq.html">FAQ</a>
 </li><li>
-<a href="http://wiki.luajit.org/">Wiki <span class="ext">&raquo;</span></a>
-</li><li>
 <a href="https://luajit.org/list.html">Mailing List <span class="ext">&raquo;</span></a>
 </li></ul>
 </div>
@@ -107,7 +105,7 @@ Turn the whole JIT compiler on or off or flush the whole cache of compiled code.
 This sets the mode for the function at the stack index <tt>idx</tt> or
 the parent of the calling function (<tt>idx = 0</tt>). It either
 enables JIT compilation for a function, disables it and flushes any
-already compiled code or only flushes already compiled code. This
+already compiled code, or only flushes already compiled code. This
 applies recursively to all sub-functions of the function with
 <tt>LUAJIT_MODE_ALLFUNC</tt> or only to the sub-functions with
 <tt>LUAJIT_MODE_ALLSUBFUNC</tt>.
@@ -126,7 +124,7 @@ traces which link to it.
 This mode defines a wrapper function for calls to C functions. If
 called with <tt>LUAJIT_MODE_ON</tt>, the stack index at <tt>idx</tt>
 must be a <tt>lightuserdata</tt> object holding a pointer to the wrapper
-function. From now on all C functions are called through the wrapper
+function. From now on, all C functions are called through the wrapper
 function. If called with <tt>LUAJIT_MODE_OFF</tt> this mode is turned
 off and all C functions are directly called.
 </p>
@@ -175,7 +173,7 @@ Also note that this mechanism is not without overhead.
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2021
+Copyright &copy; 2005-2022
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
@@ -3,7 +3,7 @@
 <head>
 <title>FFI Library</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2021">
+<meta name="Copyright" content="Copyright (C) 2005-2022">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -50,8 +50,6 @@
 </li><li>
 <a href="faq.html">FAQ</a>
 </li><li>
-<a href="http://wiki.luajit.org/">Wiki <span class="ext">&raquo;</span></a>
-</li><li>
 <a href="https://luajit.org/list.html">Mailing List <span class="ext">&raquo;</span></a>
 </li></ul>
 </div>
@@ -157,7 +155,7 @@ call the binding function. Phew!
 <h2 id="cdata">Motivating Example: Using C Data Structures</h2>
 <p>
 The FFI library allows you to create and access C&nbsp;data
-structures. Of course the main use for this is for interfacing with
+structures. Of course, the main use for this is for interfacing with
 C&nbsp;functions. But they can be used stand-alone, too.
 </p>
 <p>
@@ -169,7 +167,7 @@ implemented with a big table holding lots of tiny tables. This imposes
 both a substantial memory overhead as well as a performance overhead.
 </p>
 <p>
-Here's a sketch of a library that operates on color images plus a
+Here's a sketch of a library that operates on color images, plus a
 simple benchmark. First, the plain Lua version:
 </p>
 <pre class="code">
@@ -184,7 +182,7 @@ local function image_ramp_green(n)
  return img
 end

-local function image_to_grey(img, n)
+local function image_to_gray(img, n)
  for i=1,n do
    local y = floor(0.3*img[i].red + 0.59*img[i].green + 0.11*img[i].blue)
    img[i].red = y; img[i].green = y; img[i].blue = y
@@ -194,14 +192,14 @@ end
 local N = 400*400
 local img = image_ramp_green(N)
 for i=1,1000 do
-  image_to_grey(img, N)
+  image_to_gray(img, N)
 end
 </pre>
 <p>
 This creates a table with 160.000 pixels, each of which is a table
-holding four number values in the range of 0-255. First an image with
+holding four number values in the range of 0-255. First, an image with
 a green ramp is created (1D for simplicity), then the image is
-converted to greyscale 1000 times. Yes, that's silly, but I was in
+converted to grayscale 1000 times. Yes, that's silly, but I was in
 need of a simple example ...
 </p>
 <p>
@@ -308,7 +306,7 @@ be more compact and faster. This is certainly true (by a factor of
 ~1.7x). Switching to a struct-of-arrays would help, too.
 </p>
 <p style="font-size: 8pt;">
-However the resulting code would be less idiomatic and rather
+However, the resulting code would be less idiomatic and rather
 error-prone. And it still doesn't get even close to the performance of
 the FFI version of the code. Also, high-level data structures cannot
 be easily passed to other C&nbsp;functions, especially I/O functions,
@@ -318,7 +316,7 @@ without undue conversion penalties.
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2021
+Copyright &copy; 2005-2022
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
@@ -3,7 +3,7 @@
 <head>
 <title>ffi.* API Functions</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2021">
+<meta name="Copyright" content="Copyright (C) 2005-2022">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -55,8 +55,6 @@ td.abiparam { font-weight: bold; width: 6em; }
 </li><li>
 <a href="faq.html">FAQ</a>
 </li><li>
-<a href="http://wiki.luajit.org/">Wiki <span class="ext">&raquo;</span></a>
-</li><li>
 <a href="https://luajit.org/list.html">Mailing List <span class="ext">&raquo;</span></a>
 </li></ul>
 </div>
@@ -121,7 +119,7 @@ separated by semicolons. The trailing semicolon for a single
 declaration may be omitted.
 </p>
 <p>
-Please note that external symbols are only <em>declared</em>, but they
+Please note, that external symbols are only <em>declared</em>, but they
 are <em>not bound</em> to any specific address, yet. Binding is
 achieved with C&nbsp;library namespaces (see below).
 </p>
@@ -209,7 +207,7 @@ parse the cdecl only once and get its ctype with
 <tt>ffi.typeof()</tt>. Then use the ctype as a constructor repeatedly.
 </p>
 <p style="font-size: 8pt;">
-Please note that an anonymous <tt>struct</tt> declaration implicitly
+Please note, that an anonymous <tt>struct</tt> declaration implicitly
 creates a new and distinguished ctype every time you use it for
 <tt>ffi.new()</tt>. This is probably <b>not</b> what you want,
 especially if you create more than one cdata object. Different anonymous
@@ -256,12 +254,12 @@ afterwards. Neither the contents of the <tt>metatable</tt> nor the
 contents of an <tt>__index</tt> table (if any) may be modified
 afterwards. The associated metatable automatically applies to all uses
 of this type, no matter how the objects are created or where they
-originate from. Note that pre-defined operations on types have
+originate from. Note that predefined operations on types have
 precedence (e.g. declared field names cannot be overridden).
 </p>
 <p>
 All standard Lua metamethods are implemented. These are called directly,
-without shortcuts and on any mix of types. For binary operations, the
+without shortcuts, and on any mix of types. For binary operations, the
 left operand is checked first for a valid ctype metamethod. The
 <tt>__gc</tt> metamethod only applies to <tt>struct</tt>/<tt>union</tt>
 types and performs an implicit <a href="#ffi_gc"><tt>ffi.gc()</tt></a>
@@ -492,7 +490,7 @@ have some extra methods:
 <p>
 Free the resources associated with a callback. The associated Lua
 function is unanchored and may be garbage collected. The callback
-function pointer is no longer valid and must not be called anymore
+function pointer is no longer valid and must not be called again
 (it may be reused by a subsequently created callback).
 </p>

@@ -558,7 +556,7 @@ named <tt>i</tt>.
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2021
+Copyright &copy; 2005-2022
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
@@ -3,7 +3,7 @@
 <head>
 <title>FFI Semantics</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2021">
+<meta name="Copyright" content="Copyright (C) 2005-2022">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -55,8 +55,6 @@ td.convop { font-style: italic; width: 40%; }
 </li><li>
 <a href="faq.html">FAQ</a>
 </li><li>
-<a href="http://wiki.luajit.org/">Wiki <span class="ext">&raquo;</span></a>
-</li><li>
 <a href="https://luajit.org/list.html">Mailing List <span class="ext">&raquo;</span></a>
 </li></ul>
 </div>
@@ -88,7 +86,7 @@ footprint. It's used by the <a href="ext_ffi_api.html">ffi.* library
 functions</a> to declare C&nbsp;types or external symbols.
 </p>
 <p>
-It's only purpose is to parse C&nbsp;declarations, as found e.g. in
+Its only purpose is to parse C&nbsp;declarations, as found e.g. in
 C&nbsp;header files. Although it does evaluate constant expressions,
 it's <em>not</em> a C&nbsp;compiler. The body of <tt>inline</tt>
 C&nbsp;function definitions is simply ignored.
@@ -165,7 +163,7 @@ function declarations.</li>

 </ul>
 <p>
-The following C&nbsp;types are pre-defined by the C&nbsp;parser (like
+The following C&nbsp;types are predefined by the C&nbsp;parser (like
 a <tt>typedef</tt>, except re-declarations will be ignored):
 </p>
 <ul>
@@ -583,9 +581,9 @@ ffi.new("struct nested", {x=1,y={2,3}}) --> x = 1, y.a = 2, y.b = 3

 <h2 id="cdata_ops">Operations on cdata Objects</h2>
 <p>
-All of the standard Lua operators can be applied to cdata objects or a
+All standard Lua operators can be applied to cdata objects or a
 mix of a cdata object and another Lua object. The following list shows
-the pre-defined operations.
+the predefined operations.
 </p>
 <p>
 Reference types are dereferenced <em>before</em> performing each of
@@ -593,7 +591,7 @@ the operations below &mdash; the operation is applied to the
 C&nbsp;type pointed to by the reference.
 </p>
 <p>
-The pre-defined operations are always tried first before deferring to a
+The predefined operations are always tried first before deferring to a
 metamethod or index table (if any) for the corresponding ctype (except
 for <tt>__new</tt>). An error is raised if the metamethod lookup or
 index table lookup fails.
@@ -643,7 +641,7 @@ assigning to an index of a vector raises an error.</li>
 </ul>
 <p>
 A ctype object can be indexed with a string key, too. The only
-pre-defined operation is reading scoped constants of
+predefined operation is reading scoped constants of
 <tt>struct</tt>/<tt>union</tt> types. All other accesses defer
 to the corresponding metamethods or index tables (if any).
 </p>
@@ -656,7 +654,7 @@ certain optimizations.
 <p>
 As a consequence, the <em>elements</em> of complex numbers and
 vectors are immutable. But the elements of an aggregate holding these
-types <em>may</em> be modified of course. I.e. you cannot assign to
+types <em>may</em> be modified, of course. I.e. you cannot assign to
 <tt>foo.c.im</tt>, but you can assign a (newly created) complex number
 to <tt>foo.c</tt>.
 </p>
@@ -675,8 +673,8 @@ through unions is explicitly detected and allowed.
 to <tt>ffi.new(ct, ...)</tt>, unless a <tt>__new</tt> metamethod is
 defined. The <tt>__new</tt> metamethod is called with the ctype object
 plus any other arguments passed to the constructor. Note that you have to
-use <tt>ffi.new</tt> inside of it, since calling <tt>ct(...)</tt> would
-cause infinite recursion.</li>
+use <tt>ffi.new</tt> inside the metamethod, since calling <tt>ct(...)</tt>
+would cause infinite recursion.</li>

 <li><b>C&nbsp;function call</b>: a cdata function or cdata function
 pointer can be called. The passed arguments are
@@ -687,7 +685,7 @@ variable argument part of vararg C&nbsp;function use
 C&nbsp;function is called and the return value (if any) is
 <a href="#convert_tolua">converted to a Lua object</a>.<br>
 On Windows/x86 systems, <tt>__stdcall</tt> functions are automatically
-detected and a function declared as <tt>__cdecl</tt> (the default) is
+detected, and a function declared as <tt>__cdecl</tt> (the default) is
 silently fixed up after the first call.</li>

 </ul>
@@ -697,7 +695,7 @@ silently fixed up after the first call.</li>

 <li><b>Pointer arithmetic</b>: a cdata pointer/array and a cdata
 number or a Lua number can be added or subtracted. The number must be
-on the right hand side for a subtraction. The result is a pointer of
+on the right-hand side for a subtraction. The result is a pointer of
 the same type with an address plus or minus the number value
 multiplied by the element size in bytes. An error is raised if the
 element size is undefined.</li>
@@ -712,7 +710,7 @@ operators (<tt>+&nbsp;-&nbsp;*&nbsp;/&nbsp;%&nbsp;^</tt> and unary
 minus) can be applied to two cdata numbers, or a cdata number and a
 Lua number. If one of them is an <tt>uint64_t</tt>, the other side is
 converted to an <tt>uint64_t</tt> and an unsigned arithmetic operation
-is performed. Otherwise both sides are converted to an
+is performed. Otherwise, both sides are converted to an
 <tt>int64_t</tt> and a signed arithmetic operation is performed. The
 result is a boxed 64&nbsp;bit cdata object.<br>

@@ -759,7 +757,7 @@ which is compatible with any other pointer type.</li>
 <li><b>64&nbsp;bit integer comparison</b>: two cdata numbers, or a
 cdata number and a Lua number can be compared with each other. If one
 of them is an <tt>uint64_t</tt>, the other side is converted to an
-<tt>uint64_t</tt> and an unsigned comparison is performed. Otherwise
+<tt>uint64_t</tt> and an unsigned comparison is performed. Otherwise,
 both sides are converted to an <tt>int64_t</tt> and a signed
 comparison is performed.<br>

@@ -784,9 +782,9 @@ keys!</b>
 A cdata object is treated like any other garbage-collected object and
 is hashed and compared by its address for table indexing. Since
 there's no interning for cdata value types, the same value may be
-boxed in different cdata objects with different addresses. Thus
+boxed in different cdata objects with different addresses. Thus,
 <tt>t[1LL+1LL]</tt> and <tt>t[2LL]</tt> usually <b>do not</b> point to
-the same hash slot and they certainly <b>do not</b> point to the same
+the same hash slot, and they certainly <b>do not</b> point to the same
 hash slot as <tt>t[2]</tt>.
 </p>
 <p>
@@ -808,7 +806,7 @@ the resulting Lua number as a key when indexing tables.<br>
 One obvious benefit: <tt>t[tonumber(2LL)]</tt> <b>does</b> point to
 the same slot as <tt>t[2]</tt>.</li>

-<li>Otherwise use either <tt>tostring()</tt> on 64&nbsp;bit integers
+<li>Otherwise, use either <tt>tostring()</tt> on 64&nbsp;bit integers
 or complex numbers or combine multiple fields of a cdata aggregate to
 a Lua string (e.g. with
 <a href="ext_ffi_api.html#ffi_string"><tt>ffi.string()</tt></a>). Then
@@ -816,7 +814,7 @@ use the resulting Lua string as a key when indexing tables.</li>

 <li>Create your own specialized hash table implementation using the
 C&nbsp;types provided by the FFI library, just like you would in
-C&nbsp;code. Ultimately this may give much better performance than the
+C&nbsp;code. Ultimately, this may give much better performance than the
 other alternatives or what a generic by-value hash table could
 possibly provide.</li>

@@ -882,7 +880,7 @@ garbage collector will automatically free the memory used by it (at
 the end of the next GC cycle).
 </p>
 <p>
-Please note that pointers themselves are cdata objects, however they
+Please note, that pointers themselves are cdata objects, however they
 are <b>not</b> followed by the garbage collector. So e.g. if you
 assign a cdata array to a pointer, you must keep the cdata object
 holding the array alive as long as the pointer is still in use:
@@ -931,18 +929,18 @@ of the function pointer and the Lua function object (closure).
 </p>
 <p>
 This can happen implicitly due to the usual conversions, e.g. when
-passing a Lua function to a function pointer argument. Or you can use
+passing a Lua function to a function pointer argument. Or, you can use
 <tt>ffi.cast()</tt> to explicitly cast a Lua function to a
 C&nbsp;function pointer.
 </p>
 <p>
-Currently only certain C&nbsp;function types can be used as callback
+Currently, only certain C&nbsp;function types can be used as callback
 functions. Neither C&nbsp;vararg functions nor functions with
 pass-by-value aggregate argument or result types are supported. There
-are no restrictions for the kind of Lua functions that can be called
+are no restrictions on the kind of Lua functions that can be called
 from the callback &mdash; no checks for the proper number of arguments
 are made. The return value of the Lua function will be converted to the
-result type and an error will be thrown for invalid conversions.
+result type, and an error will be thrown for invalid conversions.
 </p>
 <p>
 It's allowed to throw errors across a callback invocation, but it's not
@@ -1003,7 +1001,7 @@ convention cannot be automatically detected, unlike for
 <tt>__stdcall</tt> calls <em>to</em> Windows functions.
 </p>
 <p>
-For some use cases it's necessary to free up the resources or to
+For some use cases, it's necessary to free up the resources or to
 dynamically redirect callbacks. Use an explicit cast to a
 C&nbsp;function pointer and keep the resulting cdata object. Then use
 the <a href="ext_ffi_api.html#callback_free"><tt>cb:free()</tt></a>
@@ -1056,7 +1054,7 @@ GUI application, which waits for user input most of the time, anyway.
 </p>
 <p>
 For new designs <b>avoid push-style APIs</b>: a C&nbsp;function repeatedly
-calling a callback for each result. Instead <b>use pull-style APIs</b>:
+calling a callback for each result. Instead, <b>use pull-style APIs</b>:
 call a C&nbsp;function repeatedly to get a new result. Calls from Lua
 to C via the FFI are much faster than the other way round. Most well-designed
 libraries already use pull-style APIs (read/write, get/put).
@@ -1075,7 +1073,7 @@ function.
 </p>
 <p>
 Indexing a C&nbsp;library namespace object with a symbol name (a Lua
-string) automatically binds it to the library. First the symbol type
+string) automatically binds it to the library. First, the symbol type
 is resolved &mdash; it must have been declared with
 <a href="ext_ffi_api.html#ffi_cdef"><tt>ffi.cdef</tt></a>. Then the
 symbol address is resolved by searching for the symbol name in the
@@ -1130,7 +1128,7 @@ Performance notice: the JIT compiler specializes to the identity of
 namespace objects and to the strings used to index it. This
 effectively turns function cdata objects into constants. It's not
 useful and actually counter-productive to explicitly cache these
-function objects, e.g. <tt>local strlen = ffi.C.strlen</tt>. OTOH it
+function objects, e.g. <tt>local strlen = ffi.C.strlen</tt>. OTOH, it
 <em>is</em> useful to cache the namespace itself, e.g. <tt>local C =
 ffi.C</tt>.
 </p>
@@ -1155,14 +1153,14 @@ This behavior is inevitable, since the goal is to provide full
 interoperability with C&nbsp;code. Adding extra safety measures, like
 bounds checks, would be futile. There's no way to detect
 misdeclarations of C&nbsp;functions, since shared libraries only
-provide symbol names, but no type information. Likewise there's no way
+provide symbol names, but no type information. Likewise, there's no way
 to infer the valid range of indexes for a returned pointer.
 </p>
 <p>
 Again: the FFI library is a low-level library. This implies it needs
 to be used with care, but it's flexibility and performance often
 outweigh this concern. If you're a C or C++ developer, it'll be easy
-to apply your existing knowledge. OTOH writing code for the FFI
+to apply your existing knowledge. OTOH, writing code for the FFI
 library is not for the faint of heart and probably shouldn't be the
 first exercise for someone with little experience in Lua, C or C++.
 </p>
@@ -1190,7 +1188,7 @@ currently incomplete:
 <li>C&nbsp;declarations are not passed through a C&nbsp;pre-processor,
 yet.</li>
 <li>The C&nbsp;parser is able to evaluate most constant expressions
-commonly found in C&nbsp;header files. However it doesn't handle the
+commonly found in C&nbsp;header files. However, it doesn't handle the
 full range of C&nbsp;expression semantics and may fail for some
 obscure constructs.</li>
 <li><tt>static const</tt> declarations only work for integer types
@@ -1248,7 +1246,7 @@ compiled.</li>
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2021
+Copyright &copy; 2005-2022
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
@@ -3,7 +3,7 @@
 <head>
 <title>FFI Tutorial</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2021">
+<meta name="Copyright" content="Copyright (C) 2005-2022">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -57,8 +57,6 @@ td.idiomlua b { font-weight: normal; color: #2142bf; }
 </li><li>
 <a href="faq.html">FAQ</a>
 </li><li>
-<a href="http://wiki.luajit.org/">Wiki <span class="ext">&raquo;</span></a>
-</li><li>
 <a href="https://luajit.org/list.html">Mailing List <span class="ext">&raquo;</span></a>
 </li></ul>
 </div>
@@ -85,7 +83,7 @@ of its functions:
 local ffi = require("ffi")
 </pre>
 <p>
-Please note this doesn't define an <tt>ffi</tt> variable in the table
+Please note, this doesn't define an <tt>ffi</tt> variable in the table
 of globals &mdash; you really need to use the local variable. The
 <tt>require</tt> function ensures the library is only loaded once.
 </p>
@@ -194,7 +192,7 @@ don't need to declare them as such.
 <span class="mark">&#9316;</span> The <tt>poll()</tt>
 function takes a couple more arguments we're not going to use. You can
 simply use <tt>nil</tt> to pass a <tt>NULL</tt> pointer and <tt>0</tt>
-for the <tt>nfds</tt> parameter. Please note that the
+for the <tt>nfds</tt> parameter. Please note, that the
 number&nbsp;<tt>0</tt> <em>does not convert to a pointer value</em>,
 unlike in C++. You really have to pass pointers to pointer arguments
 and numbers to number arguments.
@@ -291,12 +289,12 @@ Here's the step-by-step explanation:
 <p>
 <span class="mark">&#9312;</span> This defines some of the
 C&nbsp;functions provided by zlib. For the sake of this example, some
-type indirections have been reduced and it uses the pre-defined
+type indirections have been reduced and it uses the predefined
 fixed-size integer types, while still adhering to the zlib API/ABI.
 </p>
 <p>
 <span class="mark">&#9313;</span> This loads the zlib shared
-library. On POSIX systems it's named <tt>libz.so</tt> and usually
+library. On POSIX systems, it's named <tt>libz.so</tt> and usually
 comes pre-installed. Since <tt>ffi.load()</tt> automatically adds any
 missing standard prefixes/suffixes, we can simply load the
 <tt>"z"</tt> library. On Windows it's named <tt>zlib1.dll</tt> and
@@ -324,7 +322,7 @@ actual length that was used.
 <p>
 In C you'd pass in the address of a local variable
 (<tt>&amp;buflen</tt>). But since there's no address-of operator in
-Lua, we'll just pass in a one-element array. Conveniently it can be
+Lua, we'll just pass in a one-element array. Conveniently, it can be
 initialized with the maximum buffer size in one step. Calling the
 actual <tt>zlib.compress2</tt> function is then straightforward.
 </p>
@@ -348,7 +346,7 @@ for garbage collection and string interning.
 <span class="mark">&#9317;</span> The <tt>uncompress</tt>
 functions does the exact opposite of the <tt>compress</tt> function.
 The compressed data doesn't include the size of the original string,
-so this needs to be passed in. Otherwise no surprises here.
+so this needs to be passed in. Otherwise, no surprises here.
 </p>
 <p>
 <span class="mark">&#9318;</span> The code, that makes use
@@ -382,7 +380,7 @@ Ok, so the <tt>ffi.*</tt> functions generally accept cdata objects
 wherever you'd want to use a number. That's why we get a away with
 passing <tt>n</tt> to <tt>ffi.string()</tt> above. But other Lua
 library functions or modules don't know how to deal with this. So for
-maximum portability one needs to use <tt>tonumber()</tt> on returned
+maximum portability, one needs to use <tt>tonumber()</tt> on returned
 <tt>long</tt> results before passing them on. Otherwise the
 application might work on some systems, but would fail in a POSIX/x64
 environment.
@@ -454,7 +452,7 @@ the origin.
 </p>
 <p>
 <span class="mark">&#9315;</span> If we run out of operators, we can
-define named methods, too. Here the <tt>__index</tt> table defines an
+define named methods, too. Here, the <tt>__index</tt> table defines an
 <tt>area</tt> function. For custom indexing needs, one might want to
 define <tt>__index</tt> and <tt>__newindex</tt> <em>functions</em> instead.
 </p>
@@ -468,13 +466,13 @@ be used e.g. to create an array of points. The metamethods automatically
 apply to any and all uses of this type.
 </p>
 <p>
-Please note that the association with a metatable is permanent and
+Please note, that the association with a metatable is permanent and
 <b>the metatable must not be modified afterwards!</b> Ditto for the
 <tt>__index</tt> table.
 </p>
 <p>
 <span class="mark">&#9317;</span> Here are some simple usage examples
-for the point type and their expected results. The pre-defined
+for the point type and their expected results. The predefined
 operations (such as <tt>a.x</tt>) can be freely mixed with the newly
 defined metamethods. Note that <tt>area</tt> is a method and must be
 called with the Lua syntax for methods: <tt>a:area()</tt>, not
@@ -483,7 +481,7 @@ called with the Lua syntax for methods: <tt>a:area()</tt>, not
 <p>
 The C&nbsp;type metamethod mechanism is most useful when used in
 conjunction with C&nbsp;libraries that are written in an object-oriented
-style. Creators return a pointer to a new instance and methods take an
+style. Creators return a pointer to a new instance, and methods take an
 instance pointer as the first argument. Sometimes you can just point
 <tt>__index</tt> to the library namespace and <tt>__gc</tt> to the
 destructor and you're done. But often enough you'll want to add
@@ -569,7 +567,7 @@ end
 </pre>
 <p>
 This turns them into indirect calls and generates bigger and slower
-machine code. Instead you'll want to cache the namespace itself and
+machine code. Instead, you'll want to cache the namespace itself and
 rely on the JIT compiler to eliminate the lookups:
 </p>
 <pre class="code">
@@ -589,7 +587,7 @@ it to a local variable in the function scope is unnecessary.
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2021
+Copyright &copy; 2005-2022
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
@@ -3,7 +3,7 @@
 <head>
 <title>jit.* Library</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2021">
+<meta name="Copyright" content="Copyright (C) 2005-2022">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -50,8 +50,6 @@
 </li><li>
 <a href="faq.html">FAQ</a>
 </li><li>
-<a href="http://wiki.luajit.org/">Wiki <span class="ext">&raquo;</span></a>
-</li><li>
 <a href="https://luajit.org/list.html">Mailing List <span class="ext">&raquo;</span></a>
 </li></ul>
 </div>
@@ -154,7 +152,7 @@ Contains the target architecture name:

 <h2 id="jit_opt"><tt>jit.opt.*</tt> &mdash; JIT compiler optimization control</h2>
 <p>
-This sub-module provides the backend for the <tt>-O</tt> command line
+This submodule provides the backend for the <tt>-O</tt> command line
 option.
 </p>
 <p>
@@ -174,7 +172,7 @@ which was one of the ways to enable optimization.

 <h2 id="jit_util"><tt>jit.util.*</tt> &mdash; JIT compiler introspection</h2>
 <p>
-This sub-module holds functions to introspect the bytecode, generated
+This submodule holds functions to introspect the bytecode, generated
 traces, the IR and the generated machine code. The functionality
 provided by this module is still in flux and therefore undocumented.
 </p>
@@ -187,7 +185,7 @@ if you want to know more.
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2021
+Copyright &copy; 2005-2022
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
@@ -3,7 +3,7 @@
 <head>
 <title>Profiler</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2021">
+<meta name="Copyright" content="Copyright (C) 2005-2022">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -50,8 +50,6 @@
 </li><li>
 <a href="faq.html">FAQ</a>
 </li><li>
-<a href="http://wiki.luajit.org/">Wiki <span class="ext">&raquo;</span></a>
-</li><li>
 <a href="https://luajit.org/list.html">Mailing List <span class="ext">&raquo;</span></a>
 </li></ul>
 </div>
@@ -158,7 +156,7 @@ To see how much time is spent in different VM states or
 Combinations of <tt>v/z</tt> with <tt>f/F/l</tt> produce two-level
 views, e.g. <tt>-jp=vf</tt> or <tt>-jp=fv</tt>. This shows the time
 spent in a VM state or zone vs. hotspots. This can be used to answer
-questions like "Which time consuming functions are only interpreted?" or
+questions like "Which time-consuming functions are only interpreted?" or
 "What's the garbage collector overhead for a specific function?".
 </p>
 <p>
@@ -217,7 +215,7 @@ local profile = require("jit.profile")
 This module can be used to implement your own higher-level profiler.
 A typical profiling run starts the profiler, captures stack dumps in
 the profiler callback, adds them to a hash table to aggregate the number
-of samples, stops the profiler and then analyzes all of the captured
+of samples, stops the profiler and then analyzes all captured
 stack dumps. Other parameters can be sampled in the profiler callback,
 too. But it's important not to spend too much time in the callback,
 since this may skew the statistics.
@@ -271,9 +269,9 @@ returns a string with a stack dump for the <tt>thread</tt> (coroutine),
 formatted according to the <tt>fmt</tt> argument:
 </p>
 <ul>
-<li><tt>p</tt> &mdash; Preserve the full path for module names. Otherwise
+<li><tt>p</tt> &mdash; Preserve the full path for module names. Otherwise,
 only the file name is used.</li>
-<li><tt>f</tt> &mdash; Dump the function name if it can be derived. Otherwise
+<li><tt>f</tt> &mdash; Dump the function name if it can be derived. Otherwise,
 use module:line.</li>
 <li><tt>F</tt> &mdash; Ditto, but dump module:name.</li>
 <li><tt>l</tt> &mdash; Dump module:line.</li>
@@ -351,7 +349,7 @@ use.
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2021
+Copyright &copy; 2005-2022
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
@@ -3,7 +3,7 @@
 <head>
 <title>Extensions</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2021">
+<meta name="Copyright" content="Copyright (C) 2005-2022">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -67,8 +67,6 @@ td.excinterop {
 </li><li>
 <a href="faq.html">FAQ</a>
 </li><li>
-<a href="http://wiki.luajit.org/">Wiki <span class="ext">&raquo;</span></a>
-</li><li>
 <a href="https://luajit.org/list.html">Mailing List <span class="ext">&raquo;</span></a>
 </li></ul>
 </div>
@@ -88,7 +86,7 @@ or LuaJIT.
 </p>
 <p>
 LuaJIT extends the standard Lua VM with new functionality and adds
-several extension modules. Please note this page is only about
+several extension modules. Please note, this page is only about
 <em>functional</em> enhancements and not about performance enhancements,
 such as the optimized VM, the faster interpreter or the JIT compiler.
 </p>
@@ -197,7 +195,7 @@ usage. See also the
 </p>
 <p>
 The generated bytecode is portable and can be loaded on any architecture
-that LuaJIT supports, independent of word size or endianess. However the
+that LuaJIT supports, independent of word size or endianess. However, the
 bytecode compatibility versions must match. Bytecode stays compatible
 for dot releases (x.y.0 &rarr; x.y.1), but may change with major or
 minor releases (2.0 &rarr; 2.1) or between any beta release. Foreign
@@ -229,7 +227,7 @@ avoids managing backlinks, saves an allocation and the overhead of
 incremental array/hash part growth.
 </p>
 <p>
-Please note this function is meant for very specific situations. In most
+Please note, this function is meant for very specific situations. In most
 cases it's better to replace the (usually single) link with a new table
 and let the GC do its work.
 </p>
@@ -239,7 +237,7 @@ and let the GC do its work.
 LuaJIT uses a Tausworthe PRNG with period 2^223 to implement
 <tt>math.random()</tt> and <tt>math.randomseed()</tt>. The quality of
 the PRNG results is much superior compared to the standard Lua
-implementation which uses the platform-specific ANSI rand().
+implementation, which uses the platform-specific ANSI rand().
 </p>
 <p>
 The PRNG generates the same sequences from the same seeds on all
@@ -257,7 +255,7 @@ Important: Neither this nor any other PRNG based on the simplistic
 <h3 id="io"><tt>io.*</tt> functions handle 64&nbsp;bit file offsets</h3>
 <p>
 The file I/O functions in the standard <tt>io.*</tt> library handle
-64&nbsp;bit file offsets. In particular this means it's possible
+64&nbsp;bit file offsets. In particular, this means it's possible
 to open files larger than 2&nbsp;Gigabytes and to reposition or obtain
 the current file position for offsets beyond 2&nbsp;GB
 (<tt>fp:seek()</tt> method).
@@ -464,7 +462,7 @@ C++ destructors.</li>
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2021
+Copyright &copy; 2005-2022
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
@@ -3,7 +3,7 @@
 <head>
 <title>Frequently Asked Questions (FAQ)</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2021">
+<meta name="Copyright" content="Copyright (C) 2005-2022">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -53,8 +53,6 @@ dd { margin-left: 1.5em; }
 </li><li>
 <a class="current" href="faq.html">FAQ</a>
 </li><li>
-<a href="http://wiki.luajit.org/">Wiki <span class="ext">&raquo;</span></a>
-</li><li>
 <a href="https://luajit.org/list.html">Mailing List <span class="ext">&raquo;</span></a>
 </li></ul>
 </div>
@@ -65,8 +63,6 @@ dd { margin-left: 1.5em; }
 <ul style="padding: 0;">
 <li>The <a href="https://luajit.org/list.html"><span class="ext">&raquo;</span>&nbsp;LuaJIT mailing list</a> focuses on topics
 related to LuaJIT.</li>
-<li>The <a href="http://wiki.luajit.org/"><span class="ext">&raquo;</span>&nbsp;LuaJIT wiki</a> gathers community
-resources about LuaJIT.</li>
 <li>News about Lua itself can be found at the
 <a href="https://www.lua.org/lua-l.html"><span class="ext">&raquo;</span>&nbsp;Lua mailing list</a>.
 The mailing list archives are worth checking out for older postings
@@ -120,7 +116,7 @@ Direct3D version 10 or higher do not show this behavior anymore.
 Consider testing your application with older versions, too.<br>

 Similarly, the Borland/Delphi runtime modifies the FPU control word and
-enables FP exceptions. Of course this violates the Windows ABI, too.
+enables FP exceptions. Of course, this violates the Windows ABI, too.
 Please check the Delphi docs for the Set8087CW method.</dd>
 </dl>

@@ -130,7 +126,7 @@ Please check the Delphi docs for the Set8087CW method.</dd>
 ignored by compiled code. If your program is running in a tight loop
 and never falls back to the interpreter, the debug hook never runs and
 can't throw the "interrupted!" error.<br>
-You have to press Ctrl-C twice to get stop your program. That's similar
+You have to press Ctrl-C twice to stop your program. That's similar
 to when it's stuck running inside a C function under the Lua interpreter.</dd>
 </dl>

@@ -150,7 +146,7 @@ so it doesn't rely on the key order. Or sort the table keys, if you must.</dd>
 <dl id="sandbox">
 <dt>Q: Can Lua code be safely sandboxed?</dt>
 <dd>
-Maybe for an extremly restricted subset of Lua and if you relentlessly
+Maybe for an extremely restricted subset of Lua and if you relentlessly
 scrutinize every single interface function you offer to the untrusted code.<br>

 Although Lua provides some sandboxing functionality (<tt>setfenv()</tt>, hooks),
@@ -189,7 +185,7 @@ actively developed branches.</dd>
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2021
+Copyright &copy; 2005-2022
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
@@ -3,7 +3,7 @@
 <head>
 <title>Installation</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2021">
+<meta name="Copyright" content="Copyright (C) 2005-2022">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -14,25 +14,20 @@ table.compat {
 }
 table.compat td {
  border: 1px solid #bfcfff;
-  height: 2.5em;
+  height: 1.5em;
 }
 table.compat tr.compathead td {
  font-weight: bold;
  border-bottom: 2px solid #bfcfff;
 }
-tr.compathead td.compatos {
-  vertical-align: top;
+td.compatname, td.compatver {
+  width: 10%;
 }
-table.compat td.compatcpu {
-  width: 18%;
-  border-right: 2px solid #bfcfff;
+td.compatbits {
+  width: 5%;
 }
-td.compatos {
+td.compatx {
  width: 21%;
-  vertical-align: middle;
-}
-td.compatno {
-  background-color: #d0d0d0;
 }
 </style>
 </head>
@@ -78,8 +73,6 @@ td.compatno {
 </li><li>
 <a href="faq.html">FAQ</a>
 </li><li>
-<a href="http://wiki.luajit.org/">Wiki <span class="ext">&raquo;</span></a>
-</li><li>
 <a href="https://luajit.org/list.html">Mailing List <span class="ext">&raquo;</span></a>
 </li></ul>
 </div>
@@ -95,62 +88,204 @@ For the impatient (on POSIX systems):
 <pre class="code">
 make &amp;&amp; sudo make install
 </pre>
+
+<h2 id="req">Requirements</h2>
+<h3 id="systems">Systems</h3>
 <p>
-LuaJIT currently builds out-of-the box on most systems.
-Here's the compatibility matrix for the supported combinations of
-operating systems, CPUs and compilers:
+LuaJIT currently builds out-of-the box on most systems:
 </p>
 <table class="compat">
 <tr class="compathead">
-<td class="compatcpu">CPU / OS</td>
-<td class="compatos"><a href="#posix">Linux</a> or<br><a href="#android">Android</a></td>
-<td class="compatos"><a href="#posix">*BSD, Other</a></td>
-<td class="compatos"><a href="#posix">macOS 10.4+</a> or<br><a href="#ios">iOS 3.0+</a></td>
-<td class="compatos"><a href="#windows">Windows 7<br>or later</a></td>
+<td class="compatname">OS</td>
+<td class="compatver">Min. Version</td>
+<td class="compatx">Requirements</td>
+<td class="compatx">LuaJIT Versions</td>
 </tr>
 <tr class="odd separate">
-<td class="compatcpu">x86 (32 bit)</td>
-<td class="compatos">GCC 4.2+</td>
-<td class="compatos">GCC 4.2+</td>
-<td class="compatos">XCode 5.0+<br>Clang</td>
-<td class="compatos">MSVC<br>MinGW, Cygwin</td>
+<td class="compatname"><a href="#windows">Windows</a></td>
+<td class="compatver">7</td>
+<td class="compatx">x86 or x64, ARM64: TBA</td>
+<td class="compatx">v2.0 &ndash;</td>
 </tr>
 <tr class="even">
-<td class="compatcpu">x64 (64 bit)</td>
-<td class="compatos">GCC 4.2+</td>
-<td class="compatos">GCC 4.2+<br>ORBIS (<a href="#ps4">PS4</a>)</td>
-<td class="compatos">XCode 5.0+<br>Clang</td>
-<td class="compatos">MSVC<br>Durango (<a href="#xboxone">Xbox One</a>)</td>
+<td class="compatname"><a href="#posix">Linux</a></td>
+<td class="compatver">&nbsp;</td>
+<td class="compatx">&nbsp;</td>
+<td class="compatx">v2.0 &ndash;</td>
 </tr>
 <tr class="odd">
-<td class="compatcpu"><a href="#cross2">ARMv5+<br>ARM9E+</a></td>
-<td class="compatos">GCC 4.2+</td>
-<td class="compatos">GCC 4.2+<br>PSP2 (<a href="#psvita">PS VITA</a>)</td>
-<td class="compatos">XCode 5.0+<br>Clang</td>
-<td class="compatos compatno">&nbsp;</td>
+<td class="compatname"><a href="#posix">*BSD</a></td>
+<td class="compatver">&nbsp;</td>
+<td class="compatx">&nbsp;</td>
+<td class="compatx">v2.0 &ndash;</td>
 </tr>
 <tr class="even">
-<td class="compatcpu"><a href="#cross2">ARM64<br>ARM64be</a></td>
-<td class="compatos">GCC 4.8+</td>
-<td class="compatos compatno">&nbsp;</td>
-<td class="compatos">XCode 6.0+<br>Clang 3.5+</td>
-<td class="compatos compatno">&nbsp;</td>
+<td class="compatname"><a href="#posix">macOS (OSX)</a></td>
+<td class="compatver">10.4</td>
+<td class="compatx">&nbsp;</td>
+<td class="compatx">v2.1 &ndash;</td>
 </tr>
 <tr class="odd">
-<td class="compatcpu"><a href="#cross2">PPC</a></td>
-<td class="compatos">GCC 4.3+</td>
-<td class="compatos">GCC 4.3+<br>GCC 4.1 (<a href="#ps3">PS3</a>)</td>
-<td class="compatos compatno">&nbsp;</td>
-<td class="compatos">XEDK (<a href="#xbox360">Xbox 360</a>)</td>
+<td class="compatname"><a href="#posix">POSIX</a></td>
+<td class="compatver">&nbsp;</td>
+<td class="compatx">mmap, dlopen</td>
+<td class="compatx">v2.0 &ndash;</td>
+</tr>
+<tr class="even separate">
+<td class="compatname"><a href="#android">Android</a></td>
+<td class="compatver">4.0</td>
+<td class="compatx">Recent Android NDK</td>
+<td class="compatx">v2.0 &ndash;</td>
+</tr>
+<tr class="odd">
+<td class="compatname"><a href="#ios">iOS</a></td>
+<td class="compatver">3.0</td>
+<td class="compatx">Xcode iOS SDK</td>
+<td class="compatx">v2.1 &ndash;</td>
+</tr>
+<tr class="even separate">
+<td class="compatname"><a href="#consoles">PS3</a></td>
+<td class="compatver">&nbsp;</td>
+<td class="compatx">PS3 SDK</td>
+<td class="compatx">v2.0 &ndash; v2.1 EOL</td>
+</tr>
+<tr class="odd">
+<td class="compatname"><a href="#consoles">PS4</a></td>
+<td class="compatver">&nbsp;</td>
+<td class="compatx">PS4 SDK (ORBIS)</td>
+<td class="compatx">v2.0 &ndash;</td>
 </tr>
 <tr class="even">
-<td class="compatcpu"><a href="#cross2">MIPS32<br>MIPS64<br>MIPS64r6</a></td>
-<td class="compatos">GCC 4.3+</td>
-<td class="compatos">GCC 4.3+</td>
-<td class="compatos compatno">&nbsp;</td>
-<td class="compatos compatno">&nbsp;</td>
+<td class="compatname"><a href="#consoles">PS5</a></td>
+<td class="compatver">&nbsp;</td>
+<td class="compatx">PS5 SDK (PROSPERO)</td>
+<td class="compatx">v2.1 &ndash;</td>
+</tr>
+<tr class="odd">
+<td class="compatname"><a href="#consoles">PS Vita</a></td>
+<td class="compatver">&nbsp;</td>
+<td class="compatx">PS Vita SDK (PSP2)</td>
+<td class="compatx">v2.0 &ndash; v2.1 EOL</td>
+</tr>
+<tr class="even">
+<td class="compatname"><a href="#consoles">Xbox 360</a></td>
+<td class="compatver">&nbsp;</td>
+<td class="compatx">Xbox 360 SDK (XEDK)</td>
+<td class="compatx">v2.0 &ndash; v2.1 EOL</td>
+</tr>
+<tr class="odd">
+<td class="compatname"><a href="#consoles">Xbox One</a></td>
+<td class="compatver">&nbsp;</td>
+<td class="compatx">Xbox One SDK (DURANGO)</td>
+<td class="compatx">v2.1 &ndash;</td>
+</tr>
+<tr class="even">
+<td class="compatname"><a href="#consoles">Nintendo Switch</a></td>
+<td class="compatver">&nbsp;</td>
+<td class="compatx">NintendoSDK + NX Addon</td>
+<td class="compatx">v2.1 &ndash;</td>
 </tr>
 </table>
+<p>
+The codebase has compatibility defines for some more systems, but
+without official support.
+</p>
+<h3 id="toolchains">Toolchains</h3>
+<p>
+Building LuaJIT requires a recent toolchain based on GCC, Clang/LLVM or
+MSVC++.
+</p>
+<p>
+The Makefile-based build system requires GNU Make and supports
+cross-builds. Batch files are provided for MSVC++ builds and console
+cross-builds.
+</p>
+<h3 id="architectures">CPU Architectures</h3>
+<table class="compat">
+<tr class="compathead">
+<td class="compatname">CPU</td>
+<td class="compatbits">Bits</td>
+<td class="compatx">Requirements</td>
+<td class="compatx">Variants</td>
+<td class="compatx">LuaJIT Versions</td>
+</tr>
+<tr class="odd separate">
+<td class="compatname">x86</td>
+<td class="compatbits">32</td>
+<td class="compatx">v2.1+: SSE2</td>
+<td class="compatx">&nbsp;</td>
+<td class="compatx">v2.0 &ndash;</td>
+</tr>
+<tr class="even">
+<td class="compatname">x64</td>
+<td class="compatbits">64</td>
+<td class="compatx">&nbsp;</td>
+<td class="compatx">&nbsp;</td>
+<td class="compatx">v2.0 &ndash;</td>
+</tr>
+<tr class="odd">
+<td class="compatname">ARM</td>
+<td class="compatbits">32</td>
+<td class="compatx">ARMv5+, ARM9E+</td>
+<td class="compatx">hard-fp + soft-fp</td>
+<td class="compatx">v2.0 &ndash;</td>
+</tr>
+<tr class="even">
+<td class="compatname">ARM64</td>
+<td class="compatbits">64</td>
+<td class="compatx">&nbsp;</td>
+<td class="compatx">ARM64le + ARM64be</td>
+<td class="compatx">v2.1 &ndash;</td>
+</tr>
+<tr class="odd">
+<td class="compatname">PPC32</td>
+<td class="compatbits">32</td>
+<td class="compatx">&nbsp;</td>
+<td class="compatx">hard-fp + soft-fp</td>
+<td class="compatx">v2.0 &ndash; v2.1 EOL</td>
+</tr>
+<tr class="even">
+<td class="compatname">PPC/e500</td>
+<td class="compatbits">32</td>
+<td class="compatx">e500v2</td>
+<td class="compatx">&nbsp;</td>
+<td class="compatx">v2.0 EOL</td>
+</tr>
+<tr class="odd">
+<td class="compatname">MIPS32</td>
+<td class="compatbits">32</td>
+<td class="compatx">MIPS32r1 &ndash; r5</td>
+<td class="compatx">hard-fp + soft-fp</td>
+<td class="compatx">v2.0 &ndash;</td>
+</tr>
+<tr class="even">
+<td class="compatname">MIPS64</td>
+<td class="compatbits">64</td>
+<td class="compatx">MIPS64r1 &ndash; r5</td>
+<td class="compatx">hard-fp + soft-fp</td>
+<td class="compatx">v2.1 &ndash;</td>
+</tr>
+<tr class="odd">
+<td class="compatname">MIPS64</td>
+<td class="compatbits">64</td>
+<td class="compatx">MIPS64r6</td>
+<td class="compatx">hard-fp + soft-fp</td>
+<td class="compatx">v2.1 EOL</td>
+</tr>
+<tr class="even">
+<td class="compatname">RISC-V</td>
+<td class="compatbits">64</td>
+<td class="compatx">RVA22+</td>
+<td class="compatx">&nbsp;</td>
+<td class="compatx">TBA</td>
+</tr>
+</table>
+<p>
+There are no plans to add historic architectures or to continue support
+for end-of-life (EOL) architectures, for which no new CPUs are commonly
+available anymore. Likewise, there are no plans to support marginal
+and/or de-facto-dead architectures.
+</p>

 <h2>Configuring LuaJIT</h2>
 <p>
@@ -191,7 +326,7 @@ The recommended way to fetch the latest version is to do a pull from
 the git repository.
 </p>
 <p>
-Alternatively download the latest source package of LuaJIT (pick the .tar.gz).
+Alternatively, download the latest source package of LuaJIT (pick the .tar.gz).
 Move it to a directory of your choice, open a terminal window and change
 to this directory. Now unpack the archive and change to the newly created
 directory (replace XX.YY.ZZ with the version you downloaded):
@@ -411,7 +546,7 @@ 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_AR=$NDKBIN/llvm-ar
+     TARGET_LD=$NDKCC TARGET_AR="$NDKBIN/llvm-ar rcus" \
     TARGET_STRIP=$NDKBIN/llvm-strip

 # Android/ARM, armeabi-v7a (ARMv7 VFP), Android 4.1+ (JB)
@@ -421,7 +556,7 @@ 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_AR=$NDKBIN/llvm-ar
+     TARGET_LD=$NDKCC TARGET_AR="$NDKBIN/llvm-ar rcus" \
     TARGET_STRIP=$NDKBIN/llvm-strip
 </pre>
 <p>
@@ -446,8 +581,7 @@ make DEFAULT_CC=clang CROSS="$(dirname $ICC)/" \
 <h3 id="consoles">Cross-compiling for consoles</h3>
 <p>
 Building LuaJIT for consoles requires both a supported host compiler
-(x86 or x64) and a cross-compiler (to PPC or ARM) from the official
-console SDK.
+(x86 or x64) and a cross-compiler from the official console SDK.
 </p>
 <p>
 Due to restrictions on consoles, the JIT compiler is disabled and only
@@ -468,45 +602,58 @@ To cross-compile for <b id="ps3">PS3</b> from a Linux host (requires
 make HOST_CC="gcc -m32" CROSS=ppu-lv2-
 </pre>
 <p>
-To cross-compile for <b id="ps4">PS4</b> from a Windows host,
-open a "Visual Studio .NET Command Prompt" (64&nbsp;bit host compiler),
-<tt>cd</tt> to the directory where you've unpacked the sources and
-run the following commands:
+To cross-compile for the other consoles from a Windows host, open a
+"Native Tools Command Prompt for VS". You need to choose either the 32
+or the 64&nbsp;bit version of the host compiler to match the target.
+Then <tt>cd</tt> to the <tt>src</tt> directory below where you've
+unpacked the sources and run the build command given in the table:
 </p>
-<pre class="code">
-cd src
-ps4build
-</pre>
+<table class="compat">
+<tr class="compathead">
+<td class="compatname">Console</td>
+<td class="compatbits">Bits</td>
+<td class="compatx">Build Command</td>
+</tr>
+<tr class="odd separate">
+<td class="compatname"><b id="ps4">PS4</b></td>
+<td class="compatbits">64</td>
+<td class="compatx"><tt>ps4build</tt></td>
+</tr>
+<tr class="even">
+<td class="compatname"><b id="ps5">PS5</b></td>
+<td class="compatbits">64</td>
+<td class="compatx"><tt>ps5build</tt></td>
+</tr>
+<tr class="odd">
+<td class="compatname"><b id="psvita">PS Vita</b></td>
+<td class="compatbits">32</td>
+<td class="compatx"><tt>psvitabuild</tt></td>
+</tr>
+<tr class="even">
+<td class="compatname"><b id="xbox360">Xbox 360</b></td>
+<td class="compatbits">32</td>
+<td class="compatx"><tt>xedkbuild</tt></td>
+</tr>
+<tr class="odd">
+<td class="compatname"><b id="xboxone">Xbox One</b></td>
+<td class="compatbits">64</td>
+<td class="compatx"><tt>xb1build</tt></td>
+</tr>
+<tr class="even">
+<td class="compatname"><b id="nx32">Nintendo Switch NX32</b></td>
+<td class="compatbits">32</td>
+<td class="compatx"><tt>nxbuild</tt></td>
+</tr>
+<tr class="odd">
+<td class="compatname"><b id="nx64">Nintendo Switch NX64</b></td>
+<td class="compatbits">64</td>
+<td class="compatx"><tt>nxbuild</tt></td>
+</tr>
+</table>
 <p>
-To cross-compile for <b id="psvita">PS Vita</b> from a Windows host,
-open a "Visual Studio .NET Command Prompt" (32&nbsp;bit host compiler),
-<tt>cd</tt> to the directory where you've unpacked the sources and
-run the following commands:
+Please check out the comments in the corresponding <tt>*.bat</tt>
+file for more options.
 </p>
-<pre class="code">
-cd src
-psvitabuild
-</pre>
-<p>
-To cross-compile for <b id="xbox360">Xbox 360</b> from a Windows host,
-open a "Visual Studio .NET Command Prompt" (32&nbsp;bit host compiler),
-<tt>cd</tt> to the directory where you've unpacked the sources and run
-the following commands:
-</p>
-<pre class="code">
-cd src
-xedkbuild
-</pre>
-<p>
-To cross-compile for <b id="xboxone">Xbox One</b> from a Windows host,
-open a "Visual Studio .NET Command Prompt" (64&nbsp;bit host compiler),
-<tt>cd</tt> to the directory where you've unpacked the sources and run
-the following commands:
-</p>
-<pre class="code">
-cd src
-xb1build
-</pre>

 <h2 id="embed">Embedding LuaJIT</h2>
 <p>
@@ -548,7 +695,7 @@ allocator from your system (no support for this on 64&nbsp;bit architectures).</
 of calling <tt>luaopen_base</tt> etc. directly.</li>
 <li>To change or extend the list of standard libraries to load, copy
 <tt>src/lib_init.c</tt> to your project and modify it accordingly.
-Make sure the <tt>jit</tt> library is loaded or the JIT compiler
+Make sure the <tt>jit</tt> library is loaded, or the JIT compiler
 will not be activated.</li>
 <li>The <tt>bit.*</tt> module for bitwise operations
 is already built-in. There's no need to statically link
@@ -567,7 +714,7 @@ in unspeakable ways.
 There should be absolutely no need to patch <tt>luaconf.h</tt> or any
 of the Makefiles. And please do not hand-pick files for your packages &mdash;
 simply use whatever <tt>make install</tt> creates. There's a reason
-for all of the files <em>and</em> directories it creates.
+for all the files <em>and</em> directories it creates.
 </p>
 <p>
 The build system uses GNU make and auto-detects most settings based on
@@ -619,7 +766,7 @@ to me (the upstream) and not you (the package maintainer), anyway.
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2021
+Copyright &copy; 2005-2022
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
@@ -3,7 +3,7 @@
 <head>
 <title>LuaJIT</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2021">
+<meta name="Copyright" content="Copyright (C) 2005-2022">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -135,8 +135,6 @@ table.feature small {
 </li><li>
 <a href="faq.html">FAQ</a>
 </li><li>
-<a href="http://wiki.luajit.org/">Wiki <span class="ext">&raquo;</span></a>
-</li><li>
 <a href="https://luajit.org/list.html">Mailing List <span class="ext">&raquo;</span></a>
 </li></ul>
 </div>
@@ -148,7 +146,7 @@ Lua is a powerful, dynamic and light-weight programming language.
 It may be embedded or used as a general-purpose, stand-alone language.
 </p>
 <p>
-LuaJIT is Copyright &copy; 2005-2021 Mike Pall, released under the
+LuaJIT is Copyright &copy; 2005-2022 Mike Pall, released under the
 <a href="https://www.opensource.org/licenses/mit-license.php"><span class="ext">&raquo;</span>&nbsp;MIT open source license</a>.
 </p>
 <p>
@@ -162,7 +160,7 @@ LuaJIT is Copyright &copy; 2005-2021 Mike Pall, released under the
 <tr><td><span style="font-size:90%;">Embedded</span></td><td>Android</td><td>iOS</td></tr>
 </table>
 <table class="feature os os3">
-<tr><td>PS3</td><td>PS4</td><td>PS Vita</td><td>Xbox 360</td><td>Xbox One</td></tr>
+<tr><td>PS3</td><td>PS4<br>PS5</td><td>PS Vita</td><td>Xbox 360</td><td>Xbox One</td><td>Nintendo<br>Switch</td></tr>
 </table>
 <table class="feature compiler">
 <tr><td>GCC</td><td>Clang<br>LLVM</td><td>MSVC</td></tr>
@@ -222,7 +220,7 @@ Please select a sub-topic in the navigation bar to learn more about LuaJIT.
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2021
+Copyright &copy; 2005-2022
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
@@ -3,7 +3,7 @@
 <head>
 <title>Running LuaJIT</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2021">
+<meta name="Copyright" content="Copyright (C) 2005-2022">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -72,8 +72,6 @@ td.param_default {
 </li><li>
 <a href="faq.html">FAQ</a>
 </li><li>
-<a href="http://wiki.luajit.org/">Wiki <span class="ext">&raquo;</span></a>
-</li><li>
 <a href="https://luajit.org/list.html">Mailing List <span class="ext">&raquo;</span></a>
 </li></ul>
 </div>
@@ -111,6 +109,7 @@ are accepted:
 <li><tt>-t type</tt> &mdash; Set output file type (default: auto-detect from output name).</li>
 <li><tt>-a arch</tt> &mdash; Override architecture for object files (default: native).</li>
 <li><tt>-o os</tt> &mdash; Override OS for object files (default: native).</li>
+<li><tt>-F name</tt> &mdash; Override filename (default: input filename).</li>
 <li><tt>-e chunk</tt> &mdash; Use chunk string as input.</li>
 <li><tt>-</tt> (a single minus sign) &mdash; Use stdin as input and/or stdout as output.</li>
 </ul>
@@ -184,7 +183,7 @@ written in Lua. They are mainly used for debugging the JIT compiler
 itself. For a description of their options and output format, please
 read the comment block at the start of their source.
 They can be found in the <tt>lib</tt> directory of the source
-distribution or installed under the <tt>jit</tt> directory. By default
+distribution or installed under the <tt>jit</tt> directory. By default,
 this is <tt>/usr/local/share/luajit-XX.YY.ZZ>/jit</tt> on POSIX
 systems (replace XX.YY.ZZ by the installed version).
 </p>
@@ -216,11 +215,17 @@ to a specific value.
 You can either use this option multiple times (like <tt>-Ocse
 -O-dce -Ohotloop=10</tt>) or separate several settings with a comma
 (like <tt>-O+cse,-dce,hotloop=10</tt>). The settings are applied from
-left to right and later settings override earlier ones. You can freely
+left to right, and later settings override earlier ones. You can freely
 mix the three forms, but note that setting an optimization level
 overrides all earlier flags.
 </p>
 <p>
+Note that <tt>-Ofma</tt> is not enabled by default at any level,
+because it affects floating-point result accuracy. Only enable this,
+if you fully understand the trade-offs of FMA for performance (higher),
+determinism (lower) and numerical accuracy (higher).
+</p>
+<p>
 Here are the available flags and at what optimization levels they
 are enabled:
 </p>
@@ -252,6 +257,8 @@ are enabled:
 <td class="flag_name">sink</td><td class="flag_level">&nbsp;</td><td class="flag_level">&nbsp;</td><td class="flag_level">&bull;</td><td class="flag_desc">Allocation/Store Sinking</td></tr>
 <tr class="even">
 <td class="flag_name">fuse</td><td class="flag_level">&nbsp;</td><td class="flag_level">&nbsp;</td><td class="flag_level">&bull;</td><td class="flag_desc">Fusion of operands into instructions</td></tr>
+<tr class="odd">
+<td class="flag_name">fma </td><td class="flag_level">&nbsp;</td><td class="flag_level">&nbsp;</td><td class="flag_level">&nbsp;</td><td class="flag_desc">Fused multiply-add</td></tr>
 </table>
 <p>
 Here are the parameters and their default settings:
@@ -295,7 +302,7 @@ Here are the parameters and their default settings:
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2021
+Copyright &copy; 2005-2022
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
--- a/Show More
+++ b/Show More