build & link with luajit instead of lua5.1

1 files changed, 1919 insertions, 0 deletions

diff --git a/libs/luajit-cmake/luajit/dynasm/dasm_ppc.lua b/libs/luajit-cmake/luajit/dynasm/dasm_ppc.lua
new file mode 100644
index 0000000..3624e88
--- /dev/null
+++ b/libs/luajit-cmake/luajit/dynasm/dasm_ppc.lua
@@ -0,0 +1,1919 @@
+------------------------------------------------------------------------------
+-- DynASM PPC/PPC64 module.
+--
+-- Copyright (C) 2005-2022 Mike Pall. All rights reserved.
+-- See dynasm.lua for full copyright notice.
+--
+-- Support for various extensions contributed by Caio Souza Oliveira.
+------------------------------------------------------------------------------
+
+-- Module information:
+local _info = {
+  arch =	"ppc",
+  description =	"DynASM PPC module",
+  version =	"1.5.0",
+  vernum =	 10500,
+  release =	"2021-05-02",
+  author =	"Mike Pall",
+  license =	"MIT",
+}
+
+-- Exported glue functions for the arch-specific module.
+local _M = { _info = _info }
+
+-- Cache library functions.
+local type, tonumber, pairs, ipairs = type, tonumber, pairs, ipairs
+local assert, setmetatable = assert, setmetatable
+local _s = string
+local sub, format, byte, char = _s.sub, _s.format, _s.byte, _s.char
+local match, gmatch = _s.match, _s.gmatch
+local concat, sort = table.concat, table.sort
+local bit = bit or require("bit")
+local band, shl, shr, sar = bit.band, bit.lshift, bit.rshift, bit.arshift
+local tohex = bit.tohex
+
+-- Inherited tables and callbacks.
+local g_opt, g_arch
+local wline, werror, wfatal, wwarn
+
+-- Action name list.
+-- CHECK: Keep this in sync with the C code!
+local action_names = {
+  "STOP", "SECTION", "ESC", "REL_EXT",
+  "ALIGN", "REL_LG", "LABEL_LG",
+  "REL_PC", "LABEL_PC", "IMM", "IMMSH"
+}
+
+-- Maximum number of section buffer positions for dasm_put().
+-- CHECK: Keep this in sync with the C code!
+local maxsecpos = 25 -- Keep this low, to avoid excessively long C lines.
+
+-- Action name -> action number.
+local map_action = {}
+for n,name in ipairs(action_names) do
+  map_action[name] = n-1
+end
+
+-- Action list buffer.
+local actlist = {}
+
+-- Argument list for next dasm_put(). Start with offset 0 into action list.
+local actargs = { 0 }
+
+-- Current number of section buffer positions for dasm_put().
+local secpos = 1
+
+------------------------------------------------------------------------------
+
+-- Dump action names and numbers.
+local function dumpactions(out)
+  out:write("DynASM encoding engine action codes:\n")
+  for n,name in ipairs(action_names) do
+    local num = map_action[name]
+    out:write(format("  %-10s %02X  %d\n", name, num, num))
+  end
+  out:write("\n")
+end
+
+-- Write action list buffer as a huge static C array.
+local function writeactions(out, name)
+  local nn = #actlist
+  if nn == 0 then nn = 1; actlist[0] = map_action.STOP end
+  out:write("static const unsigned int ", name, "[", nn, "] = {\n")
+  for i = 1,nn-1 do
+    assert(out:write("0x", tohex(actlist[i]), ",\n"))
+  end
+  assert(out:write("0x", tohex(actlist[nn]), "\n};\n\n"))
+end
+
+------------------------------------------------------------------------------
+
+-- Add word to action list.
+local function wputxw(n)
+  assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range")
+  actlist[#actlist+1] = n
+end
+
+-- Add action to list with optional arg. Advance buffer pos, too.
+local function waction(action, val, a, num)
+  local w = assert(map_action[action], "bad action name `"..action.."'")
+  wputxw(w * 0x10000 + (val or 0))
+  if a then actargs[#actargs+1] = a end
+  if a or num then secpos = secpos + (num or 1) end
+end
+
+-- Flush action list (intervening C code or buffer pos overflow).
+local function wflush(term)
+  if #actlist == actargs[1] then return end -- Nothing to flush.
+  if not term then waction("STOP") end -- Terminate action list.
+  wline(format("dasm_put(Dst, %s);", concat(actargs, ", ")), true)
+  actargs = { #actlist } -- Actionlist offset is 1st arg to next dasm_put().
+  secpos = 1 -- The actionlist offset occupies a buffer position, too.
+end
+
+-- Put escaped word.
+local function wputw(n)
+  if n <= 0xffffff then waction("ESC") end
+  wputxw(n)
+end
+
+-- Reserve position for word.
+local function wpos()
+  local pos = #actlist+1
+  actlist[pos] = ""
+  return pos
+end
+
+-- Store word to reserved position.
+local function wputpos(pos, n)
+  assert(n >= 0 and n <= 0xffffffff and n % 1 == 0, "word out of range")
+  actlist[pos] = n
+end
+
+------------------------------------------------------------------------------
+
+-- Global label name -> global label number. With auto assignment on 1st use.
+local next_global = 20
+local map_global = setmetatable({}, { __index = function(t, name)
+  if not match(name, "^[%a_][%w_]*$") then werror("bad global label") end
+  local n = next_global
+  if n > 2047 then werror("too many global labels") end
+  next_global = n + 1
+  t[name] = n
+  return n
+end})
+
+-- Dump global labels.
+local function dumpglobals(out, lvl)
+  local t = {}
+  for name, n in pairs(map_global) do t[n] = name end
+  out:write("Global labels:\n")
+  for i=20,next_global-1 do
+    out:write(format("  %s\n", t[i]))
+  end
+  out:write("\n")
+end
+
+-- Write global label enum.
+local function writeglobals(out, prefix)
+  local t = {}
+  for name, n in pairs(map_global) do t[n] = name end
+  out:write("enum {\n")
+  for i=20,next_global-1 do
+    out:write("  ", prefix, t[i], ",\n")
+  end
+  out:write("  ", prefix, "_MAX\n};\n")
+end
+
+-- Write global label names.
+local function writeglobalnames(out, name)
+  local t = {}
+  for name, n in pairs(map_global) do t[n] = name end
+  out:write("static const char *const ", name, "[] = {\n")
+  for i=20,next_global-1 do
+    out:write("  \"", t[i], "\",\n")
+  end
+  out:write("  (const char *)0\n};\n")
+end
+
+------------------------------------------------------------------------------
+
+-- Extern label name -> extern label number. With auto assignment on 1st use.
+local next_extern = 0
+local map_extern_ = {}
+local map_extern = setmetatable({}, { __index = function(t, name)
+  -- No restrictions on the name for now.
+  local n = next_extern
+  if n > 2047 then werror("too many extern labels") end
+  next_extern = n + 1
+  t[name] = n
+  map_extern_[n] = name
+  return n
+end})
+
+-- Dump extern labels.
+local function dumpexterns(out, lvl)
+  out:write("Extern labels:\n")
+  for i=0,next_extern-1 do
+    out:write(format("  %s\n", map_extern_[i]))
+  end
+  out:write("\n")
+end
+
+-- Write extern label names.
+local function writeexternnames(out, name)
+  out:write("static const char *const ", name, "[] = {\n")
+  for i=0,next_extern-1 do
+    out:write("  \"", map_extern_[i], "\",\n")
+  end
+  out:write("  (const char *)0\n};\n")
+end
+
+------------------------------------------------------------------------------
+
+-- Arch-specific maps.
+local map_archdef = { sp = "r1" } -- Ext. register name -> int. name.
+
+local map_type = {}		-- Type name -> { ctype, reg }
+local ctypenum = 0		-- Type number (for Dt... macros).
+
+-- Reverse defines for registers.
+function _M.revdef(s)
+  if s == "r1" then return "sp" end
+  return s
+end
+
+local map_cond = {
+  lt = 0, gt = 1, eq = 2, so = 3,
+  ge = 4, le = 5, ne = 6, ns = 7,
+}
+
+------------------------------------------------------------------------------
+
+local map_op, op_template
+
+local function op_alias(opname, f)
+  return function(params, nparams)
+    if not params then return "-> "..opname:sub(1, -3) end
+    f(params, nparams)
+    op_template(params, map_op[opname], nparams)
+  end
+end
+
+-- Template strings for PPC instructions.
+map_op = {
+  tdi_3 =	"08000000ARI",
+  twi_3 =	"0c000000ARI",
+  mulli_3 =	"1c000000RRI",
+  subfic_3 =	"20000000RRI",
+  cmplwi_3 =	"28000000XRU",
+  cmplwi_2 =	"28000000-RU",
+  cmpldi_3 =	"28200000XRU",
+  cmpldi_2 =	"28200000-RU",
+  cmpwi_3 =	"2c000000XRI",
+  cmpwi_2 =	"2c000000-RI",
+  cmpdi_3 =	"2c200000XRI",
+  cmpdi_2 =	"2c200000-RI",
+  addic_3 =	"30000000RRI",
+  ["addic._3"] = "34000000RRI",
+  addi_3 =	"38000000RR0I",
+  li_2 =	"38000000RI",
+  la_2 =	"38000000RD",
+  addis_3 =	"3c000000RR0I",
+  lis_2 =	"3c000000RI",
+  lus_2 =	"3c000000RU",
+  bc_3 =	"40000000AAK",
+  bcl_3 =	"40000001AAK",
+  bdnz_1 =	"42000000K",
+  bdz_1 =	"42400000K",
+  sc_0 =	"44000000",
+  b_1 =		"48000000J",
+  bl_1 =	"48000001J",
+  rlwimi_5 =	"50000000RR~AAA.",
+  rlwinm_5 =	"54000000RR~AAA.",
+  rlwnm_5 =	"5c000000RR~RAA.",
+  ori_3 =	"60000000RR~U",
+  nop_0 =	"60000000",
+  oris_3 =	"64000000RR~U",
+  xori_3 =	"68000000RR~U",
+  xoris_3 =	"6c000000RR~U",
+  ["andi._3"] =	"70000000RR~U",
+  ["andis._3"] = "74000000RR~U",
+  lwz_2 =	"80000000RD",
+  lwzu_2 =	"84000000RD",
+  lbz_2 =	"88000000RD",
+  lbzu_2 =	"8c000000RD",
+  stw_2 =	"90000000RD",
+  stwu_2 =	"94000000RD",
+  stb_2 =	"98000000RD",
+  stbu_2 =	"9c000000RD",
+  lhz_2 =	"a0000000RD",
+  lhzu_2 =	"a4000000RD",
+  lha_2 =	"a8000000RD",
+  lhau_2 =	"ac000000RD",
+  sth_2 =	"b0000000RD",
+  sthu_2 =	"b4000000RD",
+  lmw_2 =	"b8000000RD",
+  stmw_2 =	"bc000000RD",
+  lfs_2 =	"c0000000FD",
+  lfsu_2 =	"c4000000FD",
+  lfd_2 =	"c8000000FD",
+  lfdu_2 =	"cc000000FD",
+  stfs_2 =	"d0000000FD",
+  stfsu_2 =	"d4000000FD",
+  stfd_2 =	"d8000000FD",
+  stfdu_2 =	"dc000000FD",
+  ld_2 =	"e8000000RD", -- NYI: displacement must be divisible by 4.
+  ldu_2 =	"e8000001RD",
+  lwa_2 =	"e8000002RD",
+  std_2 =	"f8000000RD",
+  stdu_2 =	"f8000001RD",
+
+  subi_3 =	op_alias("addi_3", function(p) p[3] = "-("..p[3]..")" end),
+  subis_3 =	op_alias("addis_3", function(p) p[3] = "-("..p[3]..")" end),
+  subic_3 =	op_alias("addic_3", function(p) p[3] = "-("..p[3]..")" end),
+  ["subic._3"] = op_alias("addic._3", function(p) p[3] = "-("..p[3]..")" end),
+
+  rotlwi_3 =	op_alias("rlwinm_5", function(p)
+    p[4] = "0"; p[5] = "31"
+  end),
+  rotrwi_3 =	op_alias("rlwinm_5", function(p)
+    p[3] = "32-("..p[3]..")"; p[4] = "0"; p[5] = "31"
+  end),
+  rotlw_3 =	op_alias("rlwnm_5", function(p)
+    p[4] = "0"; p[5] = "31"
+  end),
+  slwi_3 =	op_alias("rlwinm_5", function(p)
+    p[5] = "31-("..p[3]..")"; p[4] = "0"
+  end),
+  srwi_3 =	op_alias("rlwinm_5", function(p)
+    p[4] = p[3]; p[3] = "32-("..p[3]..")"; p[5] = "31"
+  end),
+  clrlwi_3 =	op_alias("rlwinm_5", function(p)
+    p[4] = p[3]; p[3] = "0"; p[5] = "31"
+  end),
+  clrrwi_3 =	op_alias("rlwinm_5", function(p)
+    p[5] = "31-("..p[3]..")"; p[3] = "0"; p[4] = "0"
+  end),
+
+  -- Primary opcode 4:
+  mulhhwu_3 =		"10000010RRR.",
+  machhwu_3 =		"10000018RRR.",
+  mulhhw_3 =		"10000050RRR.",
+  nmachhw_3 =		"1000005cRRR.",
+  machhwsu_3 =		"10000098RRR.",
+  machhws_3 =		"100000d8RRR.",
+  nmachhws_3 =		"100000dcRRR.",
+  mulchwu_3 =		"10000110RRR.",
+  macchwu_3 =		"10000118RRR.",
+  mulchw_3 =		"10000150RRR.",
+  macchw_3 =		"10000158RRR.",
+  nmacchw_3 =		"1000015cRRR.",
+  macchwsu_3 =		"10000198RRR.",
+  macchws_3 =		"100001d8RRR.",
+  nmacchws_3 =		"100001dcRRR.",
+  mullhw_3 =		"10000350RRR.",
+  maclhw_3 =		"10000358RRR.",
+  nmaclhw_3 =		"1000035cRRR.",
+  maclhwsu_3 =		"10000398RRR.",
+  maclhws_3 =		"100003d8RRR.",
+  nmaclhws_3 =		"100003dcRRR.",
+  machhwuo_3 =		"10000418RRR.",
+  nmachhwo_3 =		"1000045cRRR.",
+  machhwsuo_3 =		"10000498RRR.",
+  machhwso_3 =		"100004d8RRR.",
+  nmachhwso_3 =		"100004dcRRR.",
+  macchwuo_3 =		"10000518RRR.",
+  macchwo_3 =		"10000558RRR.",
+  nmacchwo_3 =		"1000055cRRR.",
+  macchwsuo_3 =		"10000598RRR.",
+  macchwso_3 =		"100005d8RRR.",
+  nmacchwso_3 =		"100005dcRRR.",
+  maclhwo_3 =		"10000758RRR.",
+  nmaclhwo_3 =		"1000075cRRR.",
+  maclhwsuo_3 =		"10000798RRR.",
+  maclhwso_3 =		"100007d8RRR.",
+  nmaclhwso_3 =		"100007dcRRR.",
+
+  vaddubm_3 =		"10000000VVV",
+  vmaxub_3 =		"10000002VVV",
+  vrlb_3 =		"10000004VVV",
+  vcmpequb_3 =		"10000006VVV",
+  vmuloub_3 =		"10000008VVV",
+  vaddfp_3 =		"1000000aVVV",
+  vmrghb_3 =		"1000000cVVV",
+  vpkuhum_3 =		"1000000eVVV",
+  vmhaddshs_4 =		"10000020VVVV",
+  vmhraddshs_4 =	"10000021VVVV",
+  vmladduhm_4 =		"10000022VVVV",
+  vmsumubm_4 =		"10000024VVVV",
+  vmsummbm_4 =		"10000025VVVV",
+  vmsumuhm_4 =		"10000026VVVV",
+  vmsumuhs_4 =		"10000027VVVV",
+  vmsumshm_4 =		"10000028VVVV",
+  vmsumshs_4 =		"10000029VVVV",
+  vsel_4 =		"1000002aVVVV",
+  vperm_4 =		"1000002bVVVV",
+  vsldoi_4 =		"1000002cVVVP",
+  vpermxor_4 =		"1000002dVVVV",
+  vmaddfp_4 =		"1000002eVVVV~",
+  vnmsubfp_4 =		"1000002fVVVV~",
+  vaddeuqm_4 =		"1000003cVVVV",
+  vaddecuq_4 =		"1000003dVVVV",
+  vsubeuqm_4 =		"1000003eVVVV",
+  vsubecuq_4 =		"1000003fVVVV",
+  vadduhm_3 =		"10000040VVV",
+  vmaxuh_3 =		"10000042VVV",
+  vrlh_3 =		"10000044VVV",
+  vcmpequh_3 =		"10000046VVV",
+  vmulouh_3 =		"10000048VVV",
+  vsubfp_3 =		"1000004aVVV",
+  vmrghh_3 =		"1000004cVVV",
+  vpkuwum_3 =		"1000004eVVV",
+  vadduwm_3 =		"10000080VVV",
+  vmaxuw_3 =		"10000082VVV",
+  vrlw_3 =		"10000084VVV",
+  vcmpequw_3 =		"10000086VVV",
+  vmulouw_3 =		"10000088VVV",
+  vmuluwm_3 =		"10000089VVV",
+  vmrghw_3 =		"1000008cVVV",
+  vpkuhus_3 =		"1000008eVVV",
+  vaddudm_3 =		"100000c0VVV",
+  vmaxud_3 =		"100000c2VVV",
+  vrld_3 =		"100000c4VVV",
+  vcmpeqfp_3 =		"100000c6VVV",
+  vcmpequd_3 =		"100000c7VVV",
+  vpkuwus_3 =		"100000ceVVV",
+  vadduqm_3 =		"10000100VVV",
+  vmaxsb_3 =		"10000102VVV",
+  vslb_3 =		"10000104VVV",
+  vmulosb_3 =		"10000108VVV",
+  vrefp_2 =		"1000010aV-V",
+  vmrglb_3 =		"1000010cVVV",
+  vpkshus_3 =		"1000010eVVV",
+  vaddcuq_3 =		"10000140VVV",
+  vmaxsh_3 =		"10000142VVV",
+  vslh_3 =		"10000144VVV",
+  vmulosh_3 =		"10000148VVV",
+  vrsqrtefp_2 =		"1000014aV-V",
+  vmrglh_3 =		"1000014cVVV",
+  vpkswus_3 =		"1000014eVVV",
+  vaddcuw_3 =		"10000180VVV",
+  vmaxsw_3 =		"10000182VVV",
+  vslw_3 =		"10000184VVV",
+  vmulosw_3 =		"10000188VVV",
+  vexptefp_2 =		"1000018aV-V",
+  vmrglw_3 =		"1000018cVVV",
+  vpkshss_3 =		"1000018eVVV",
+  vmaxsd_3 =		"100001c2VVV",
+  vsl_3 =		"100001c4VVV",
+  vcmpgefp_3 =		"100001c6VVV",
+  vlogefp_2 =		"100001caV-V",
+  vpkswss_3 =		"100001ceVVV",
+  vadduhs_3 =		"10000240VVV",
+  vminuh_3 =		"10000242VVV",
+  vsrh_3 =		"10000244VVV",
+  vcmpgtuh_3 =		"10000246VVV",
+  vmuleuh_3 =		"10000248VVV",
+  vrfiz_2 =		"1000024aV-V",
+  vsplth_3 =		"1000024cVV3",
+  vupkhsh_2 =		"1000024eV-V",
+  vminuw_3 =		"10000282VVV",
+  vminud_3 =		"100002c2VVV",
+  vcmpgtud_3 =		"100002c7VVV",
+  vrfim_2 =		"100002caV-V",
+  vcmpgtsb_3 =		"10000306VVV",
+  vcfux_3 =		"1000030aVVA~",
+  vaddshs_3 =		"10000340VVV",
+  vminsh_3 =		"10000342VVV",
+  vsrah_3 =		"10000344VVV",
+  vcmpgtsh_3 =		"10000346VVV",
+  vmulesh_3 =		"10000348VVV",
+  vcfsx_3 =		"1000034aVVA~",
+  vspltish_2 =		"1000034cVS",
+  vupkhpx_2 =		"1000034eV-V",
+  vaddsws_3 =		"10000380VVV",
+  vminsw_3 =		"10000382VVV",
+  vsraw_3 =		"10000384VVV",
+  vcmpgtsw_3 =		"10000386VVV",
+  vmulesw_3 =		"10000388VVV",
+  vctuxs_3 =		"1000038aVVA~",
+  vspltisw_2 =		"1000038cVS",
+  vminsd_3 =		"100003c2VVV",
+  vsrad_3 =		"100003c4VVV",
+  vcmpbfp_3 =		"100003c6VVV",
+  vcmpgtsd_3 =		"100003c7VVV",
+  vctsxs_3 =		"100003caVVA~",
+  vupklpx_2 =		"100003ceV-V",
+  vsububm_3 =		"10000400VVV",
+  ["bcdadd._4"] =	"10000401VVVy.",
+  vavgub_3 =		"10000402VVV",
+  vand_3 =		"10000404VVV",
+  ["vcmpequb._3"] =	"10000406VVV",
+  vmaxfp_3 =		"1000040aVVV",
+  vsubuhm_3 =		"10000440VVV",
+  ["bcdsub._4"] =	"10000441VVVy.",
+  vavguh_3 =		"10000442VVV",
+  vandc_3 =		"10000444VVV",
+  ["vcmpequh._3"] =	"10000446VVV",
+  vminfp_3 =		"1000044aVVV",
+  vpkudum_3 =		"1000044eVVV",
+  vsubuwm_3 =		"10000480VVV",
+  vavguw_3 =		"10000482VVV",
+  vor_3 =		"10000484VVV",
+  ["vcmpequw._3"] =	"10000486VVV",
+  vpmsumw_3 =		"10000488VVV",
+  ["vcmpeqfp._3"] =	"100004c6VVV",
+  ["vcmpequd._3"] =	"100004c7VVV",
+  vpkudus_3 =		"100004ceVVV",
+  vavgsb_3 =		"10000502VVV",
+  vavgsh_3 =		"10000542VVV",
+  vorc_3 =		"10000544VVV",
+  vbpermq_3 =		"1000054cVVV",
+  vpksdus_3 =		"1000054eVVV",
+  vavgsw_3 =		"10000582VVV",
+  vsld_3 =		"100005c4VVV",
+  ["vcmpgefp._3"] =	"100005c6VVV",
+  vpksdss_3 =		"100005ceVVV",
+  vsububs_3 =		"10000600VVV",
+  mfvscr_1 =		"10000604V--",
+  vsum4ubs_3 =		"10000608VVV",
+  vsubuhs_3 =		"10000640VVV",
+  mtvscr_1 =		"10000644--V",
+  ["vcmpgtuh._3"] =	"10000646VVV",
+  vsum4shs_3 =		"10000648VVV",
+  vupkhsw_2 =		"1000064eV-V",
+  vsubuws_3 =		"10000680VVV",
+  vshasigmaw_4 =	"10000682VVYp",
+  veqv_3 =		"10000684VVV",
+  vsum2sws_3 =		"10000688VVV",
+  vmrgow_3 =		"1000068cVVV",
+  vshasigmad_4 =	"100006c2VVYp",
+  vsrd_3 =		"100006c4VVV",
+  ["vcmpgtud._3"] =	"100006c7VVV",
+  vupklsw_2 =		"100006ceV-V",
+  vupkslw_2 =		"100006ceV-V",
+  vsubsbs_3 =		"10000700VVV",
+  vclzb_2 =		"10000702V-V",
+  vpopcntb_2 =		"10000703V-V",
+  ["vcmpgtsb._3"] =	"10000706VVV",
+  vsum4sbs_3 =		"10000708VVV",
+  vsubshs_3 =		"10000740VVV",
+  vclzh_2 =		"10000742V-V",
+  vpopcnth_2 =		"10000743V-V",
+  ["vcmpgtsh._3"] =	"10000746VVV",
+  vsubsws_3 =		"10000780VVV",
+  vclzw_2 =		"10000782V-V",
+  vpopcntw_2 =		"10000783V-V",
+  ["vcmpgtsw._3"] =	"10000786VVV",
+  vsumsws_3 =		"10000788VVV",
+  vmrgew_3 =		"1000078cVVV",
+  vclzd_2 =		"100007c2V-V",
+  vpopcntd_2 =		"100007c3V-V",
+  ["vcmpbfp._3"] =	"100007c6VVV",
+  ["vcmpgtsd._3"] =	"100007c7VVV",
+
+  -- Primary opcode 19:
+  mcrf_2 =	"4c000000XX",
+  isync_0 =	"4c00012c",
+  crnor_3 =	"4c000042CCC",
+  crnot_2 =	"4c000042CC=",
+  crandc_3 =	"4c000102CCC",
+  crxor_3 =	"4c000182CCC",
+  crclr_1 =	"4c000182C==",
+  crnand_3 =	"4c0001c2CCC",
+  crand_3 =	"4c000202CCC",
+  creqv_3 =	"4c000242CCC",
+  crset_1 =	"4c000242C==",
+  crorc_3 =	"4c000342CCC",
+  cror_3 =	"4c000382CCC",
+  crmove_2 =	"4c000382CC=",
+  bclr_2 =	"4c000020AA",
+  bclrl_2 =	"4c000021AA",
+  bcctr_2 =	"4c000420AA",
+  bcctrl_2 =	"4c000421AA",
+  bctar_2 =	"4c000460AA",
+  bctarl_2 =	"4c000461AA",
+  blr_0 =	"4e800020",
+  blrl_0 =	"4e800021",
+  bctr_0 =	"4e800420",
+  bctrl_0 =	"4e800421",
+
+  -- Primary opcode 31:
+  cmpw_3 =	"7c000000XRR",
+  cmpw_2 =	"7c000000-RR",
+  cmpd_3 =	"7c200000XRR",
+  cmpd_2 =	"7c200000-RR",
+  tw_3 =	"7c000008ARR",
+  lvsl_3 =	"7c00000cVRR",
+  subfc_3 =	"7c000010RRR.",
+  subc_3 =	"7c000010RRR~.",
+  mulhdu_3 =	"7c000012RRR.",
+  addc_3 =	"7c000014RRR.",
+  mulhwu_3 =	"7c000016RRR.",
+  isel_4 =	"7c00001eRRRC",
+  isellt_3 =	"7c00001eRRR",
+  iselgt_3 =	"7c00005eRRR",
+  iseleq_3 =	"7c00009eRRR",
+  mfcr_1 =	"7c000026R",
+  mfocrf_2 =	"7c100026RG",
+  mtcrf_2 =	"7c000120GR",
+  mtocrf_2 =	"7c100120GR",
+  lwarx_3 =	"7c000028RR0R",
+  ldx_3 =	"7c00002aRR0R",
+  lwzx_3 =	"7c00002eRR0R",
+  slw_3 =	"7c000030RR~R.",
+  cntlzw_2 =	"7c000034RR~",
+  sld_3 =	"7c000036RR~R.",
+  and_3 =	"7c000038RR~R.",
+  cmplw_3 =	"7c000040XRR",
+  cmplw_2 =	"7c000040-RR",
+  cmpld_3 =	"7c200040XRR",
+  cmpld_2 =	"7c200040-RR",
+  lvsr_3 =	"7c00004cVRR",
+  subf_3 =	"7c000050RRR.",
+  sub_3 =	"7c000050RRR~.",
+  lbarx_3 =	"7c000068RR0R",
+  ldux_3 =	"7c00006aRR0R",
+  dcbst_2 =	"7c00006c-RR",
+  lwzux_3 =	"7c00006eRR0R",
+  cntlzd_2 =	"7c000074RR~",
+  andc_3 =	"7c000078RR~R.",
+  td_3 =	"7c000088ARR",
+  lvewx_3 =	"7c00008eVRR",
+  mulhd_3 =	"7c000092RRR.",
+  addg6s_3 =	"7c000094RRR",
+  mulhw_3 =	"7c000096RRR.",
+  dlmzb_3 =	"7c00009cRR~R.",
+  ldarx_3 =	"7c0000a8RR0R",
+  dcbf_2 =	"7c0000ac-RR",
+  lbzx_3 =	"7c0000aeRR0R",
+  lvx_3 =	"7c0000ceVRR",
+  neg_2 =	"7c0000d0RR.",
+  lharx_3 =	"7c0000e8RR0R",
+  lbzux_3 =	"7c0000eeRR0R",
+  popcntb_2 =	"7c0000f4RR~",
+  not_2 =	"7c0000f8RR~%.",
+  nor_3 =	"7c0000f8RR~R.",
+  stvebx_3 =	"7c00010eVRR",
+  subfe_3 =	"7c000110RRR.",
+  sube_3 =	"7c000110RRR~.",
+  adde_3 =	"7c000114RRR.",
+  stdx_3 =	"7c00012aRR0R",
+  ["stwcx._3"] =	"7c00012dRR0R.",
+  stwx_3 =	"7c00012eRR0R",
+  prtyw_2 =	"7c000134RR~",
+  stvehx_3 =	"7c00014eVRR",
+  stdux_3 =	"7c00016aRR0R",
+  ["stqcx._3"] =	"7c00016dR:R0R.",
+  stwux_3 =	"7c00016eRR0R",
+  prtyd_2 =	"7c000174RR~",
+  stvewx_3 =	"7c00018eVRR",
+  subfze_2 =	"7c000190RR.",
+  addze_2 =	"7c000194RR.",
+  ["stdcx._3"] =	"7c0001adRR0R.",
+  stbx_3 =	"7c0001aeRR0R",
+  stvx_3 =	"7c0001ceVRR",
+  subfme_2 =	"7c0001d0RR.",
+  mulld_3 =	"7c0001d2RRR.",
+  addme_2 =	"7c0001d4RR.",
+  mullw_3 =	"7c0001d6RRR.",
+  dcbtst_2 =	"7c0001ec-RR",
+  stbux_3 =	"7c0001eeRR0R",
+  bpermd_3 =	"7c0001f8RR~R",
+  lvepxl_3 =	"7c00020eVRR",
+  add_3 =	"7c000214RRR.",
+  lqarx_3 =	"7c000228R:R0R",
+  dcbt_2 =	"7c00022c-RR",
+  lhzx_3 =	"7c00022eRR0R",
+  cdtbcd_2 =	"7c000234RR~",
+  eqv_3 =	"7c000238RR~R.",
+  lvepx_3 =	"7c00024eVRR",
+  eciwx_3 =	"7c00026cRR0R",
+  lhzux_3 =	"7c00026eRR0R",
+  cbcdtd_2 =	"7c000274RR~",
+  xor_3 =	"7c000278RR~R.",
+  mfspefscr_1 =	"7c0082a6R",
+  mfxer_1 =	"7c0102a6R",
+  mflr_1 =	"7c0802a6R",
+  mfctr_1 =	"7c0902a6R",
+  lwax_3 =	"7c0002aaRR0R",
+  lhax_3 =	"7c0002aeRR0R",
+  mftb_1 =	"7c0c42e6R",
+  mftbu_1 =	"7c0d42e6R",
+  lvxl_3 =	"7c0002ceVRR",
+  lwaux_3 =	"7c0002eaRR0R",
+  lhaux_3 =	"7c0002eeRR0R",
+  popcntw_2 =	"7c0002f4RR~",
+  divdeu_3 =	"7c000312RRR.",
+  divweu_3 =	"7c000316RRR.",
+  sthx_3 =	"7c00032eRR0R",
+  orc_3 =	"7c000338RR~R.",
+  ecowx_3 =	"7c00036cRR0R",
+  sthux_3 =	"7c00036eRR0R",
+  or_3 =	"7c000378RR~R.",
+  mr_2 =	"7c000378RR~%.",
+  divdu_3 =	"7c000392RRR.",
+  divwu_3 =	"7c000396RRR.",
+  mtspefscr_1 =	"7c0083a6R",
+  mtxer_1 =	"7c0103a6R",
+  mtlr_1 =	"7c0803a6R",
+  mtctr_1 =	"7c0903a6R",
+  dcbi_2 =	"7c0003ac-RR",
+  nand_3 =	"7c0003b8RR~R.",
+  dsn_2 =	"7c0003c6-RR",
+  stvxl_3 =	"7c0003ceVRR",
+  divd_3 =	"7c0003d2RRR.",
+  divw_3 =	"7c0003d6RRR.",
+  popcntd_2 =	"7c0003f4RR~",
+  cmpb_3 =	"7c0003f8RR~R.",
+  mcrxr_1 =	"7c000400X",
+  lbdx_3 =	"7c000406RRR",
+  subfco_3 =	"7c000410RRR.",
+  subco_3 =	"7c000410RRR~.",
+  addco_3 =	"7c000414RRR.",
+  ldbrx_3 =	"7c000428RR0R",
+  lswx_3 =	"7c00042aRR0R",
+  lwbrx_3 =	"7c00042cRR0R",
+  lfsx_3 =	"7c00042eFR0R",
+  srw_3 =	"7c000430RR~R.",
+  srd_3 =	"7c000436RR~R.",
+  lhdx_3 =	"7c000446RRR",
+  subfo_3 =	"7c000450RRR.",
+  subo_3 =	"7c000450RRR~.",
+  lfsux_3 =	"7c00046eFR0R",
+  lwdx_3 =	"7c000486RRR",
+  lswi_3 =	"7c0004aaRR0A",
+  sync_0 =	"7c0004ac",
+  lwsync_0 =	"7c2004ac",
+  ptesync_0 =	"7c4004ac",
+  lfdx_3 =	"7c0004aeFR0R",
+  lddx_3 =	"7c0004c6RRR",
+  nego_2 =	"7c0004d0RR.",
+  lfdux_3 =	"7c0004eeFR0R",
+  stbdx_3 =	"7c000506RRR",
+  subfeo_3 =	"7c000510RRR.",
+  subeo_3 =	"7c000510RRR~.",
+  addeo_3 =	"7c000514RRR.",
+  stdbrx_3 =	"7c000528RR0R",
+  stswx_3 =	"7c00052aRR0R",
+  stwbrx_3 =	"7c00052cRR0R",
+  stfsx_3 =	"7c00052eFR0R",
+  sthdx_3 =	"7c000546RRR",
+  ["stbcx._3"] =	"7c00056dRRR",
+  stfsux_3 =	"7c00056eFR0R",
+  stwdx_3 =	"7c000586RRR",
+  subfzeo_2 =	"7c000590RR.",
+  addzeo_2 =	"7c000594RR.",
+  stswi_3 =	"7c0005aaRR0A",
+  ["sthcx._3"] =	"7c0005adRRR",
+  stfdx_3 =	"7c0005aeFR0R",
+  stddx_3 =	"7c0005c6RRR",
+  subfmeo_2 =	"7c0005d0RR.",
+  mulldo_3 =	"7c0005d2RRR.",
+  addmeo_2 =	"7c0005d4RR.",
+  mullwo_3 =	"7c0005d6RRR.",
+  dcba_2 =	"7c0005ec-RR",
+  stfdux_3 =	"7c0005eeFR0R",
+  stvepxl_3 =	"7c00060eVRR",
+  addo_3 =	"7c000614RRR.",
+  lhbrx_3 =	"7c00062cRR0R",
+  lfdpx_3 =	"7c00062eF:RR",
+  sraw_3 =	"7c000630RR~R.",
+  srad_3 =	"7c000634RR~R.",
+  lfddx_3 =	"7c000646FRR",
+  stvepx_3 =	"7c00064eVRR",
+  srawi_3 =	"7c000670RR~A.",
+  sradi_3 =	"7c000674RR~H.",
+  eieio_0 =	"7c0006ac",
+  lfiwax_3 =	"7c0006aeFR0R",
+  divdeuo_3 =	"7c000712RRR.",
+  divweuo_3 =	"7c000716RRR.",
+  sthbrx_3 =	"7c00072cRR0R",
+  stfdpx_3 =	"7c00072eF:RR",
+  extsh_2 =	"7c000734RR~.",
+  stfddx_3 =	"7c000746FRR",
+  divdeo_3 =	"7c000752RRR.",
+  divweo_3 =	"7c000756RRR.",
+  extsb_2 =	"7c000774RR~.",
+  divduo_3 =	"7c000792RRR.",
+  divwou_3 =	"7c000796RRR.",
+  icbi_2 =	"7c0007ac-RR",
+  stfiwx_3 =	"7c0007aeFR0R",
+  extsw_2 =	"7c0007b4RR~.",
+  divdo_3 =	"7c0007d2RRR.",
+  divwo_3 =	"7c0007d6RRR.",
+  dcbz_2 =	"7c0007ec-RR",
+
+  ["tbegin._1"] =	"7c00051d1",
+  ["tbegin._0"] =	"7c00051d",
+  ["tend._1"] =		"7c00055dY",
+  ["tend._0"] =		"7c00055d",
+  ["tendall._0"] =	"7e00055d",
+  tcheck_1 =		"7c00059cX",
+  ["tsr._1"] =		"7c0005dd1",
+  ["tsuspend._0"] =	"7c0005dd",
+  ["tresume._0"] =	"7c2005dd",
+  ["tabortwc._3"] =	"7c00061dARR",
+  ["tabortdc._3"] =	"7c00065dARR",
+  ["tabortwci._3"] =	"7c00069dARS",
+  ["tabortdci._3"] =	"7c0006ddARS",
+  ["tabort._1"] =	"7c00071d-R-",
+  ["treclaim._1"] =	"7c00075d-R",
+  ["trechkpt._0"] =	"7c0007dd",
+
+  lxsiwzx_3 =	"7c000018QRR",
+  lxsiwax_3 =	"7c000098QRR",
+  mfvsrd_2 =	"7c000066-Rq",
+  mfvsrwz_2 =	"7c0000e6-Rq",
+  stxsiwx_3 =	"7c000118QRR",
+  mtvsrd_2 =	"7c000166QR",
+  mtvsrwa_2 =	"7c0001a6QR",
+  lxvdsx_3 =	"7c000298QRR",
+  lxsspx_3 =	"7c000418QRR",
+  lxsdx_3 =	"7c000498QRR",
+  stxsspx_3 =	"7c000518QRR",
+  stxsdx_3 =	"7c000598QRR",
+  lxvw4x_3 =	"7c000618QRR",
+  lxvd2x_3 =	"7c000698QRR",
+  stxvw4x_3 =	"7c000718QRR",
+  stxvd2x_3 =	"7c000798QRR",
+
+  -- Primary opcode 30:
+  rldicl_4 =	"78000000RR~HM.",
+  rldicr_4 =	"78000004RR~HM.",
+  rldic_4 =	"78000008RR~HM.",
+  rldimi_4 =	"7800000cRR~HM.",
+  rldcl_4 =	"78000010RR~RM.",
+  rldcr_4 =	"78000012RR~RM.",
+
+  rotldi_3 =	op_alias("rldicl_4", function(p)
+    p[4] = "0"
+  end),
+  rotrdi_3 =	op_alias("rldicl_4", function(p)
+    p[3] = "64-("..p[3]..")"; p[4] = "0"
+  end),
+  rotld_3 =	op_alias("rldcl_4", function(p)
+    p[4] = "0"
+  end),
+  sldi_3 =	op_alias("rldicr_4", function(p)
+    p[4] = "63-("..p[3]..")"
+  end),
+  srdi_3 =	op_alias("rldicl_4", function(p)
+    p[4] = p[3]; p[3] = "64-("..p[3]..")"
+  end),
+  clrldi_3 =	op_alias("rldicl_4", function(p)
+    p[4] = p[3]; p[3] = "0"
+  end),
+  clrrdi_3 =	op_alias("rldicr_4", function(p)
+    p[4] = "63-("..p[3]..")"; p[3] = "0"
+  end),
+
+  -- Primary opcode 56:
+  lq_2 =	"e0000000R:D", -- NYI: displacement must be divisible by 8.
+
+  -- Primary opcode 57:
+  lfdp_2 =	"e4000000F:D", -- NYI: displacement must be divisible by 4.
+
+  -- Primary opcode 59:
+  fdivs_3 =	"ec000024FFF.",
+  fsubs_3 =	"ec000028FFF.",
+  fadds_3 =	"ec00002aFFF.",
+  fsqrts_2 =	"ec00002cF-F.",
+  fres_2 =	"ec000030F-F.",
+  fmuls_3 =	"ec000032FF-F.",
+  frsqrtes_2 =	"ec000034F-F.",
+  fmsubs_4 =	"ec000038FFFF~.",
+  fmadds_4 =	"ec00003aFFFF~.",
+  fnmsubs_4 =	"ec00003cFFFF~.",
+  fnmadds_4 =	"ec00003eFFFF~.",
+  fcfids_2 =	"ec00069cF-F.",
+  fcfidus_2 =	"ec00079cF-F.",
+
+  dadd_3 =	"ec000004FFF.",
+  dqua_4 =	"ec000006FFFZ.",
+  dmul_3 =	"ec000044FFF.",
+  drrnd_4 =	"ec000046FFFZ.",
+  dscli_3 =	"ec000084FF6.",
+  dquai_4 =	"ec000086SF~FZ.",
+  dscri_3 =	"ec0000c4FF6.",
+  drintx_4 =	"ec0000c61F~FZ.",
+  dcmpo_3 =	"ec000104XFF",
+  dtstex_3 =	"ec000144XFF",
+  dtstdc_3 =	"ec000184XF6",
+  dtstdg_3 =	"ec0001c4XF6",
+  drintn_4 =	"ec0001c61F~FZ.",
+  dctdp_2 =	"ec000204F-F.",
+  dctfix_2 =	"ec000244F-F.",
+  ddedpd_3 =	"ec000284ZF~F.",
+  dxex_2 =	"ec0002c4F-F.",
+  dsub_3 =	"ec000404FFF.",
+  ddiv_3 =	"ec000444FFF.",
+  dcmpu_3 =	"ec000504XFF",
+  dtstsf_3 =	"ec000544XFF",
+  drsp_2 =	"ec000604F-F.",
+  dcffix_2 =	"ec000644F-F.",
+  denbcd_3 =	"ec000684YF~F.",
+  diex_3 =	"ec0006c4FFF.",
+
+  -- Primary opcode 60:
+  xsaddsp_3 =		"f0000000QQQ",
+  xsmaddasp_3 =		"f0000008QQQ",
+  xxsldwi_4 =		"f0000010QQQz",
+  xsrsqrtesp_2 =	"f0000028Q-Q",
+  xssqrtsp_2 =		"f000002cQ-Q",
+  xxsel_4 =		"f0000030QQQQ",
+  xssubsp_3 =		"f0000040QQQ",
+  xsmaddmsp_3 =		"f0000048QQQ",
+  xxpermdi_4 =		"f0000050QQQz",
+  xsresp_2 =		"f0000068Q-Q",
+  xsmulsp_3 =		"f0000080QQQ",
+  xsmsubasp_3 =		"f0000088QQQ",
+  xxmrghw_3 =		"f0000090QQQ",
+  xsdivsp_3 =		"f00000c0QQQ",
+  xsmsubmsp_3 =		"f00000c8QQQ",
+  xsadddp_3 =		"f0000100QQQ",
+  xsmaddadp_3 =		"f0000108QQQ",
+  xscmpudp_3 =		"f0000118XQQ",
+  xscvdpuxws_2 =	"f0000120Q-Q",
+  xsrdpi_2 =		"f0000124Q-Q",
+  xsrsqrtedp_2 =	"f0000128Q-Q",
+  xssqrtdp_2 =		"f000012cQ-Q",
+  xssubdp_3 =		"f0000140QQQ",
+  xsmaddmdp_3 =		"f0000148QQQ",
+  xscmpodp_3 =		"f0000158XQQ",
+  xscvdpsxws_2 =	"f0000160Q-Q",
+  xsrdpiz_2 =		"f0000164Q-Q",
+  xsredp_2 =		"f0000168Q-Q",
+  xsmuldp_3 =		"f0000180QQQ",
+  xsmsubadp_3 =		"f0000188QQQ",
+  xxmrglw_3 =		"f0000190QQQ",
+  xsrdpip_2 =		"f00001a4Q-Q",
+  xstsqrtdp_2 =		"f00001a8X-Q",
+  xsrdpic_2 =		"f00001acQ-Q",
+  xsdivdp_3 =		"f00001c0QQQ",
+  xsmsubmdp_3 =		"f00001c8QQQ",
+  xsrdpim_2 =		"f00001e4Q-Q",
+  xstdivdp_3 =		"f00001e8XQQ",
+  xvaddsp_3 =		"f0000200QQQ",
+  xvmaddasp_3 =		"f0000208QQQ",
+  xvcmpeqsp_3 =		"f0000218QQQ",
+  xvcvspuxws_2 =	"f0000220Q-Q",
+  xvrspi_2 =		"f0000224Q-Q",
+  xvrsqrtesp_2 =	"f0000228Q-Q",
+  xvsqrtsp_2 =		"f000022cQ-Q",
+  xvsubsp_3 =		"f0000240QQQ",
+  xvmaddmsp_3 =		"f0000248QQQ",
+  xvcmpgtsp_3 =		"f0000258QQQ",
+  xvcvspsxws_2 =	"f0000260Q-Q",
+  xvrspiz_2 =		"f0000264Q-Q",
+  xvresp_2 =		"f0000268Q-Q",
+  xvmulsp_3 =		"f0000280QQQ",
+  xvmsubasp_3 =		"f0000288QQQ",
+  xxspltw_3 =		"f0000290QQg~",
+  xvcmpgesp_3 =		"f0000298QQQ",
+  xvcvuxwsp_2 =		"f00002a0Q-Q",
+  xvrspip_2 =		"f00002a4Q-Q",
+  xvtsqrtsp_2 =		"f00002a8X-Q",
+  xvrspic_2 =		"f00002acQ-Q",
+  xvdivsp_3 =		"f00002c0QQQ",
+  xvmsubmsp_3 =		"f00002c8QQQ",
+  xvcvsxwsp_2 =		"f00002e0Q-Q",
+  xvrspim_2 =		"f00002e4Q-Q",
+  xvtdivsp_3 =		"f00002e8XQQ",
+  xvadddp_3 =		"f0000300QQQ",
+  xvmaddadp_3 =		"f0000308QQQ",
+  xvcmpeqdp_3 =		"f0000318QQQ",
+  xvcvdpuxws_2 =	"f0000320Q-Q",
+  xvrdpi_2 =		"f0000324Q-Q",
+  xvrsqrtedp_2 =	"f0000328Q-Q",
+  xvsqrtdp_2 =		"f000032cQ-Q",
+  xvsubdp_3 =		"f0000340QQQ",
+  xvmaddmdp_3 =		"f0000348QQQ",
+  xvcmpgtdp_3 =		"f0000358QQQ",
+  xvcvdpsxws_2 =	"f0000360Q-Q",
+  xvrdpiz_2 =		"f0000364Q-Q",
+  xvredp_2 =		"f0000368Q-Q",
+  xvmuldp_3 =		"f0000380QQQ",
+  xvmsubadp_3 =		"f0000388QQQ",
+  xvcmpgedp_3 =		"f0000398QQQ",
+  xvcvuxwdp_2 =		"f00003a0Q-Q",
+  xvrdpip_2 =		"f00003a4Q-Q",
+  xvtsqrtdp_2 =		"f00003a8X-Q",
+  xvrdpic_2 =		"f00003acQ-Q",
+  xvdivdp_3 =		"f00003c0QQQ",
+  xvmsubmdp_3 =		"f00003c8QQQ",
+  xvcvsxwdp_2 =		"f00003e0Q-Q",
+  xvrdpim_2 =		"f00003e4Q-Q",
+  xvtdivdp_3 =		"f00003e8XQQ",
+  xsnmaddasp_3 =	"f0000408QQQ",
+  xxland_3 =		"f0000410QQQ",
+  xscvdpsp_2 =		"f0000424Q-Q",
+  xscvdpspn_2 =		"f000042cQ-Q",
+  xsnmaddmsp_3 =	"f0000448QQQ",
+  xxlandc_3 =		"f0000450QQQ",
+  xsrsp_2 =		"f0000464Q-Q",
+  xsnmsubasp_3 =	"f0000488QQQ",
+  xxlor_3 =		"f0000490QQQ",
+  xscvuxdsp_2 =		"f00004a0Q-Q",
+  xsnmsubmsp_3 =	"f00004c8QQQ",
+  xxlxor_3 =		"f00004d0QQQ",
+  xscvsxdsp_2 =		"f00004e0Q-Q",
+  xsmaxdp_3 =		"f0000500QQQ",
+  xsnmaddadp_3 =	"f0000508QQQ",
+  xxlnor_3 =		"f0000510QQQ",
+  xscvdpuxds_2 =	"f0000520Q-Q",
+  xscvspdp_2 =		"f0000524Q-Q",
+  xscvspdpn_2 =		"f000052cQ-Q",
+  xsmindp_3 =		"f0000540QQQ",
+  xsnmaddmdp_3 =	"f0000548QQQ",
+  xxlorc_3 =		"f0000550QQQ",
+  xscvdpsxds_2 =	"f0000560Q-Q",
+  xsabsdp_2 =		"f0000564Q-Q",
+  xscpsgndp_3 =		"f0000580QQQ",
+  xsnmsubadp_3 =	"f0000588QQQ",
+  xxlnand_3 =		"f0000590QQQ",
+  xscvuxddp_2 =		"f00005a0Q-Q",
+  xsnabsdp_2 =		"f00005a4Q-Q",
+  xsnmsubmdp_3 =	"f00005c8QQQ",
+  xxleqv_3 =		"f00005d0QQQ",
+  xscvsxddp_2 =		"f00005e0Q-Q",
+  xsnegdp_2 =		"f00005e4Q-Q",
+  xvmaxsp_3 =		"f0000600QQQ",
+  xvnmaddasp_3 =	"f0000608QQQ",
+  ["xvcmpeqsp._3"] =	"f0000618QQQ",
+  xvcvspuxds_2 =	"f0000620Q-Q",
+  xvcvdpsp_2 =		"f0000624Q-Q",
+  xvminsp_3 =		"f0000640QQQ",
+  xvnmaddmsp_3 =	"f0000648QQQ",
+  ["xvcmpgtsp._3"] =	"f0000658QQQ",
+  xvcvspsxds_2 =	"f0000660Q-Q",
+  xvabssp_2 =		"f0000664Q-Q",
+  xvcpsgnsp_3 =		"f0000680QQQ",
+  xvnmsubasp_3 =	"f0000688QQQ",
+  ["xvcmpgesp._3"] =	"f0000698QQQ",
+  xvcvuxdsp_2 =		"f00006a0Q-Q",
+  xvnabssp_2 =		"f00006a4Q-Q",
+  xvnmsubmsp_3 =	"f00006c8QQQ",
+  xvcvsxdsp_2 =		"f00006e0Q-Q",
+  xvnegsp_2 =		"f00006e4Q-Q",
+  xvmaxdp_3 =		"f0000700QQQ",
+  xvnmaddadp_3 =	"f0000708QQQ",
+  ["xvcmpeqdp._3"] =	"f0000718QQQ",
+  xvcvdpuxds_2 =	"f0000720Q-Q",
+  xvcvspdp_2 =		"f0000724Q-Q",
+  xvmindp_3 =		"f0000740QQQ",
+  xvnmaddmdp_3 =	"f0000748QQQ",
+  ["xvcmpgtdp._3"] =	"f0000758QQQ",
+  xvcvdpsxds_2 =	"f0000760Q-Q",
+  xvabsdp_2 =		"f0000764Q-Q",
+  xvcpsgndp_3 =		"f0000780QQQ",
+  xvnmsubadp_3 =	"f0000788QQQ",
+  ["xvcmpgedp._3"] =	"f0000798QQQ",
+  xvcvuxddp_2 =		"f00007a0Q-Q",
+  xvnabsdp_2 =		"f00007a4Q-Q",
+  xvnmsubmdp_3 =	"f00007c8QQQ",
+  xvcvsxddp_2 =		"f00007e0Q-Q",
+  xvnegdp_2 =		"f00007e4Q-Q",
+
+  -- Primary opcode 61:
+  stfdp_2 =	"f4000000F:D", -- NYI: displacement must be divisible by 4.
+
+  -- Primary opcode 62:
+  stq_2 =	"f8000002R:D", -- NYI: displacement must be divisible by 8.
+
+  -- Primary opcode 63:
+  fdiv_3 =	"fc000024FFF.",
+  fsub_3 =	"fc000028FFF.",
+  fadd_3 =	"fc00002aFFF.",
+  fsqrt_2 =	"fc00002cF-F.",
+  fsel_4 =	"fc00002eFFFF~.",
+  fre_2 =	"fc000030F-F.",
+  fmul_3 =	"fc000032FF-F.",
+  frsqrte_2 =	"fc000034F-F.",
+  fmsub_4 =	"fc000038FFFF~.",
+  fmadd_4 =	"fc00003aFFFF~.",
+  fnmsub_4 =	"fc00003cFFFF~.",
+  fnmadd_4 =	"fc00003eFFFF~.",
+  fcmpu_3 =	"fc000000XFF",
+  fcpsgn_3 =	"fc000010FFF.",
+  fcmpo_3 =	"fc000040XFF",
+  mtfsb1_1 =	"fc00004cA",
+  fneg_2 =	"fc000050F-F.",
+  mcrfs_2 =	"fc000080XX",
+  mtfsb0_1 =	"fc00008cA",
+  fmr_2 =	"fc000090F-F.",
+  frsp_2 =	"fc000018F-F.",
+  fctiw_2 =	"fc00001cF-F.",
+  fctiwz_2 =	"fc00001eF-F.",
+  ftdiv_2 =	"fc000100X-F.",
+  fctiwu_2 =	"fc00011cF-F.",
+  fctiwuz_2 =	"fc00011eF-F.",
+  mtfsfi_2 =	"fc00010cAA", -- NYI: upshift.
+  fnabs_2 =	"fc000110F-F.",
+  ftsqrt_2 =	"fc000140X-F.",
+  fabs_2 =	"fc000210F-F.",
+  frin_2 =	"fc000310F-F.",
+  friz_2 =	"fc000350F-F.",
+  frip_2 =	"fc000390F-F.",
+  frim_2 =	"fc0003d0F-F.",
+  mffs_1 =	"fc00048eF.",
+  -- NYI: mtfsf, mtfsb0, mtfsb1.
+  fctid_2 =	"fc00065cF-F.",
+  fctidz_2 =	"fc00065eF-F.",
+  fmrgow_3 =	"fc00068cFFF",
+  fcfid_2 =	"fc00069cF-F.",
+  fctidu_2 =	"fc00075cF-F.",
+  fctiduz_2 =	"fc00075eF-F.",
+  fmrgew_3 =	"fc00078cFFF",
+  fcfidu_2 =	"fc00079cF-F.",
+
+  daddq_3 =	"fc000004F:F:F:.",
+  dquaq_4 =	"fc000006F:F:F:Z.",
+  dmulq_3 =	"fc000044F:F:F:.",
+  drrndq_4 =	"fc000046F:F:F:Z.",
+  dscliq_3 =	"fc000084F:F:6.",
+  dquaiq_4 =	"fc000086SF:~F:Z.",
+  dscriq_3 =	"fc0000c4F:F:6.",
+  drintxq_4 =	"fc0000c61F:~F:Z.",
+  dcmpoq_3 =	"fc000104XF:F:",
+  dtstexq_3 =	"fc000144XF:F:",
+  dtstdcq_3 =	"fc000184XF:6",
+  dtstdgq_3 =	"fc0001c4XF:6",
+  drintnq_4 =	"fc0001c61F:~F:Z.",
+  dctqpq_2 =	"fc000204F:-F:.",
+  dctfixq_2 =	"fc000244F:-F:.",
+  ddedpdq_3 =	"fc000284ZF:~F:.",
+  dxexq_2 =	"fc0002c4F:-F:.",
+  dsubq_3 =	"fc000404F:F:F:.",
+  ddivq_3 =	"fc000444F:F:F:.",
+  dcmpuq_3 =	"fc000504XF:F:",
+  dtstsfq_3 =	"fc000544XF:F:",
+  drdpq_2 =	"fc000604F:-F:.",
+  dcffixq_2 =	"fc000644F:-F:.",
+  denbcdq_3 =	"fc000684YF:~F:.",
+  diexq_3 =	"fc0006c4F:FF:.",
+
+  -- Primary opcode 4, SPE APU extension:
+  evaddw_3 =		"10000200RRR",
+  evaddiw_3 =		"10000202RAR~",
+  evsubw_3 =		"10000204RRR~",
+  evsubiw_3 =		"10000206RAR~",
+  evabs_2 =		"10000208RR",
+  evneg_2 =		"10000209RR",
+  evextsb_2 =		"1000020aRR",
+  evextsh_2 =		"1000020bRR",
+  evrndw_2 =		"1000020cRR",
+  evcntlzw_2 =		"1000020dRR",
+  evcntlsw_2 =		"1000020eRR",
+  brinc_3 =		"1000020fRRR",
+  evand_3 =		"10000211RRR",
+  evandc_3 =		"10000212RRR",
+  evxor_3 =		"10000216RRR",
+  evor_3 =		"10000217RRR",
+  evmr_2 =		"10000217RR=",
+  evnor_3 =		"10000218RRR",
+  evnot_2 =		"10000218RR=",
+  eveqv_3 =		"10000219RRR",
+  evorc_3 =		"1000021bRRR",
+  evnand_3 =		"1000021eRRR",
+  evsrwu_3 =		"10000220RRR",
+  evsrws_3 =		"10000221RRR",
+  evsrwiu_3 =		"10000222RRA",
+  evsrwis_3 =		"10000223RRA",
+  evslw_3 =		"10000224RRR",
+  evslwi_3 =		"10000226RRA",
+  evrlw_3 =		"10000228RRR",
+  evsplati_2 =		"10000229RS",
+  evrlwi_3 =		"1000022aRRA",
+  evsplatfi_2 =		"1000022bRS",
+  evmergehi_3 =		"1000022cRRR",
+  evmergelo_3 =		"1000022dRRR",
+  evcmpgtu_3 =		"10000230XRR",
+  evcmpgtu_2 =		"10000230-RR",
+  evcmpgts_3 =		"10000231XRR",
+  evcmpgts_2 =		"10000231-RR",
+  evcmpltu_3 =		"10000232XRR",
+  evcmpltu_2 =		"10000232-RR",
+  evcmplts_3 =		"10000233XRR",
+  evcmplts_2 =		"10000233-RR",
+  evcmpeq_3 =		"10000234XRR",
+  evcmpeq_2 =		"10000234-RR",
+  evsel_4 =		"10000278RRRW",
+  evsel_3 =		"10000278RRR",
+  evfsadd_3 =		"10000280RRR",
+  evfssub_3 =		"10000281RRR",
+  evfsabs_2 =		"10000284RR",
+  evfsnabs_2 =		"10000285RR",
+  evfsneg_2 =		"10000286RR",
+  evfsmul_3 =		"10000288RRR",
+  evfsdiv_3 =		"10000289RRR",
+  evfscmpgt_3 =		"1000028cXRR",
+  evfscmpgt_2 =		"1000028c-RR",
+  evfscmplt_3 =		"1000028dXRR",
+  evfscmplt_2 =		"1000028d-RR",
+  evfscmpeq_3 =		"1000028eXRR",
+  evfscmpeq_2 =		"1000028e-RR",
+  evfscfui_2 =		"10000290R-R",
+  evfscfsi_2 =		"10000291R-R",
+  evfscfuf_2 =		"10000292R-R",
+  evfscfsf_2 =		"10000293R-R",
+  evfsctui_2 =		"10000294R-R",
+  evfsctsi_2 =		"10000295R-R",
+  evfsctuf_2 =		"10000296R-R",
+  evfsctsf_2 =		"10000297R-R",
+  evfsctuiz_2 =		"10000298R-R",
+  evfsctsiz_2 =		"1000029aR-R",
+  evfststgt_3 =		"1000029cXRR",
+  evfststgt_2 =		"1000029c-RR",
+  evfststlt_3 =		"1000029dXRR",
+  evfststlt_2 =		"1000029d-RR",
+  evfststeq_3 =		"1000029eXRR",
+  evfststeq_2 =		"1000029e-RR",
+  efsadd_3 =		"100002c0RRR",
+  efssub_3 =		"100002c1RRR",
+  efsabs_2 =		"100002c4RR",
+  efsnabs_2 =		"100002c5RR",
+  efsneg_2 =		"100002c6RR",
+  efsmul_3 =		"100002c8RRR",
+  efsdiv_3 =		"100002c9RRR",
+  efscmpgt_3 =		"100002ccXRR",
+  efscmpgt_2 =		"100002cc-RR",
+  efscmplt_3 =		"100002cdXRR",
+  efscmplt_2 =		"100002cd-RR",
+  efscmpeq_3 =		"100002ceXRR",
+  efscmpeq_2 =		"100002ce-RR",
+  efscfd_2 =		"100002cfR-R",
+  efscfui_2 =		"100002d0R-R",
+  efscfsi_2 =		"100002d1R-R",
+  efscfuf_2 =		"100002d2R-R",
+  efscfsf_2 =		"100002d3R-R",
+  efsctui_2 =		"100002d4R-R",
+  efsctsi_2 =		"100002d5R-R",
+  efsctuf_2 =		"100002d6R-R",
+  efsctsf_2 =		"100002d7R-R",
+  efsctuiz_2 =		"100002d8R-R",
+  efsctsiz_2 =		"100002daR-R",
+  efststgt_3 =		"100002dcXRR",
+  efststgt_2 =		"100002dc-RR",
+  efststlt_3 =		"100002ddXRR",
+  efststlt_2 =		"100002dd-RR",
+  efststeq_3 =		"100002deXRR",
+  efststeq_2 =		"100002de-RR",
+  efdadd_3 =		"100002e0RRR",
+  efdsub_3 =		"100002e1RRR",
+  efdcfuid_2 =		"100002e2R-R",
+  efdcfsid_2 =		"100002e3R-R",
+  efdabs_2 =		"100002e4RR",
+  efdnabs_2 =		"100002e5RR",
+  efdneg_2 =		"100002e6RR",
+  efdmul_3 =		"100002e8RRR",
+  efddiv_3 =		"100002e9RRR",
+  efdctuidz_2 =		"100002eaR-R",
+  efdctsidz_2 =		"100002ebR-R",
+  efdcmpgt_3 =		"100002ecXRR",
+  efdcmpgt_2 =		"100002ec-RR",
+  efdcmplt_3 =		"100002edXRR",
+  efdcmplt_2 =		"100002ed-RR",
+  efdcmpeq_3 =		"100002eeXRR",
+  efdcmpeq_2 =		"100002ee-RR",
+  efdcfs_2 =		"100002efR-R",
+  efdcfui_2 =		"100002f0R-R",
+  efdcfsi_2 =		"100002f1R-R",
+  efdcfuf_2 =		"100002f2R-R",
+  efdcfsf_2 =		"100002f3R-R",
+  efdctui_2 =		"100002f4R-R",
+  efdctsi_2 =		"100002f5R-R",
+  efdctuf_2 =		"100002f6R-R",
+  efdctsf_2 =		"100002f7R-R",
+  efdctuiz_2 =		"100002f8R-R",
+  efdctsiz_2 =		"100002faR-R",
+  efdtstgt_3 =		"100002fcXRR",
+  efdtstgt_2 =		"100002fc-RR",
+  efdtstlt_3 =		"100002fdXRR",
+  efdtstlt_2 =		"100002fd-RR",
+  efdtsteq_3 =		"100002feXRR",
+  efdtsteq_2 =		"100002fe-RR",
+  evlddx_3 =		"10000300RR0R",
+  evldd_2 =		"10000301R8",
+  evldwx_3 =		"10000302RR0R",
+  evldw_2 =		"10000303R8",
+  evldhx_3 =		"10000304RR0R",
+  evldh_2 =		"10000305R8",
+  evlwhex_3 =		"10000310RR0R",
+  evlwhe_2 =		"10000311R4",
+  evlwhoux_3 =		"10000314RR0R",
+  evlwhou_2 =		"10000315R4",
+  evlwhosx_3 =		"10000316RR0R",
+  evlwhos_2 =		"10000317R4",
+  evstddx_3 =		"10000320RR0R",
+  evstdd_2 =		"10000321R8",
+  evstdwx_3 =		"10000322RR0R",
+  evstdw_2 =		"10000323R8",
+  evstdhx_3 =		"10000324RR0R",
+  evstdh_2 =		"10000325R8",
+  evstwhex_3 =		"10000330RR0R",
+  evstwhe_2 =		"10000331R4",
+  evstwhox_3 =		"10000334RR0R",
+  evstwho_2 =		"10000335R4",
+  evstwwex_3 =		"10000338RR0R",
+  evstwwe_2 =		"10000339R4",
+  evstwwox_3 =		"1000033cRR0R",
+  evstwwo_2 =		"1000033dR4",
+  evmhessf_3 =		"10000403RRR",
+  evmhossf_3 =		"10000407RRR",
+  evmheumi_3 =		"10000408RRR",
+  evmhesmi_3 =		"10000409RRR",
+  evmhesmf_3 =		"1000040bRRR",
+  evmhoumi_3 =		"1000040cRRR",
+  evmhosmi_3 =		"1000040dRRR",
+  evmhosmf_3 =		"1000040fRRR",
+  evmhessfa_3 =		"10000423RRR",
+  evmhossfa_3 =		"10000427RRR",
+  evmheumia_3 =		"10000428RRR",
+  evmhesmia_3 =		"10000429RRR",
+  evmhesmfa_3 =		"1000042bRRR",
+  evmhoumia_3 =		"1000042cRRR",
+  evmhosmia_3 =		"1000042dRRR",
+  evmhosmfa_3 =		"1000042fRRR",
+  evmwhssf_3 =		"10000447RRR",
+  evmwlumi_3 =		"10000448RRR",
+  evmwhumi_3 =		"1000044cRRR",
+  evmwhsmi_3 =		"1000044dRRR",
+  evmwhsmf_3 =		"1000044fRRR",
+  evmwssf_3 =		"10000453RRR",
+  evmwumi_3 =		"10000458RRR",
+  evmwsmi_3 =		"10000459RRR",
+  evmwsmf_3 =		"1000045bRRR",
+  evmwhssfa_3 =		"10000467RRR",
+  evmwlumia_3 =		"10000468RRR",
+  evmwhumia_3 =		"1000046cRRR",
+  evmwhsmia_3 =		"1000046dRRR",
+  evmwhsmfa_3 =		"1000046fRRR",
+  evmwssfa_3 =		"10000473RRR",
+  evmwumia_3 =		"10000478RRR",
+  evmwsmia_3 =		"10000479RRR",
+  evmwsmfa_3 =		"1000047bRRR",
+  evmra_2 =		"100004c4RR",
+  evdivws_3 =		"100004c6RRR",
+  evdivwu_3 =		"100004c7RRR",
+  evmwssfaa_3 =		"10000553RRR",
+  evmwumiaa_3 =		"10000558RRR",
+  evmwsmiaa_3 =		"10000559RRR",
+  evmwsmfaa_3 =		"1000055bRRR",
+  evmwssfan_3 =		"100005d3RRR",
+  evmwumian_3 =		"100005d8RRR",
+  evmwsmian_3 =		"100005d9RRR",
+  evmwsmfan_3 =		"100005dbRRR",
+  evmergehilo_3 =	"1000022eRRR",
+  evmergelohi_3 =	"1000022fRRR",
+  evlhhesplatx_3 =	"10000308RR0R",
+  evlhhesplat_2 =	"10000309R2",
+  evlhhousplatx_3 =	"1000030cRR0R",
+  evlhhousplat_2 =	"1000030dR2",
+  evlhhossplatx_3 =	"1000030eRR0R",
+  evlhhossplat_2 =	"1000030fR2",
+  evlwwsplatx_3 =	"10000318RR0R",
+  evlwwsplat_2 =	"10000319R4",
+  evlwhsplatx_3 =	"1000031cRR0R",
+  evlwhsplat_2 =	"1000031dR4",
+  evaddusiaaw_2 =	"100004c0RR",
+  evaddssiaaw_2 =	"100004c1RR",
+  evsubfusiaaw_2 =	"100004c2RR",
+  evsubfssiaaw_2 =	"100004c3RR",
+  evaddumiaaw_2 =	"100004c8RR",
+  evaddsmiaaw_2 =	"100004c9RR",
+  evsubfumiaaw_2 =	"100004caRR",
+  evsubfsmiaaw_2 =	"100004cbRR",
+  evmheusiaaw_3 =	"10000500RRR",
+  evmhessiaaw_3 =	"10000501RRR",
+  evmhessfaaw_3 =	"10000503RRR",
+  evmhousiaaw_3 =	"10000504RRR",
+  evmhossiaaw_3 =	"10000505RRR",
+  evmhossfaaw_3 =	"10000507RRR",
+  evmheumiaaw_3 =	"10000508RRR",
+  evmhesmiaaw_3 =	"10000509RRR",
+  evmhesmfaaw_3 =	"1000050bRRR",
+  evmhoumiaaw_3 =	"1000050cRRR",
+  evmhosmiaaw_3 =	"1000050dRRR",
+  evmhosmfaaw_3 =	"1000050fRRR",
+  evmhegumiaa_3 =	"10000528RRR",
+  evmhegsmiaa_3 =	"10000529RRR",
+  evmhegsmfaa_3 =	"1000052bRRR",
+  evmhogumiaa_3 =	"1000052cRRR",
+  evmhogsmiaa_3 =	"1000052dRRR",
+  evmhogsmfaa_3 =	"1000052fRRR",
+  evmwlusiaaw_3 =	"10000540RRR",
+  evmwlssiaaw_3 =	"10000541RRR",
+  evmwlumiaaw_3 =	"10000548RRR",
+  evmwlsmiaaw_3 =	"10000549RRR",
+  evmheusianw_3 =	"10000580RRR",
+  evmhessianw_3 =	"10000581RRR",
+  evmhessfanw_3 =	"10000583RRR",
+  evmhousianw_3 =	"10000584RRR",
+  evmhossianw_3 =	"10000585RRR",
+  evmhossfanw_3 =	"10000587RRR",
+  evmheumianw_3 =	"10000588RRR",
+  evmhesmianw_3 =	"10000589RRR",
+  evmhesmfanw_3 =	"1000058bRRR",
+  evmhoumianw_3 =	"1000058cRRR",
+  evmhosmianw_3 =	"1000058dRRR",
+  evmhosmfanw_3 =	"1000058fRRR",
+  evmhegumian_3 =	"100005a8RRR",
+  evmhegsmian_3 =	"100005a9RRR",
+  evmhegsmfan_3 =	"100005abRRR",
+  evmhogumian_3 =	"100005acRRR",
+  evmhogsmian_3 =	"100005adRRR",
+  evmhogsmfan_3 =	"100005afRRR",
+  evmwlusianw_3 =	"100005c0RRR",
+  evmwlssianw_3 =	"100005c1RRR",
+  evmwlumianw_3 =	"100005c8RRR",
+  evmwlsmianw_3 =	"100005c9RRR",
+
+  -- NYI: Book E instructions.
+}
+
+-- Add mnemonics for "." variants.
+do
+  local t = {}
+  for k,v in pairs(map_op) do
+    if type(v) == "string" and sub(v, -1) == "." then
+      local v2 = sub(v, 1, 7)..char(byte(v, 8)+1)..sub(v, 9, -2)
+      t[sub(k, 1, -3).."."..sub(k, -2)] = v2
+    end
+  end
+  for k,v in pairs(t) do
+    map_op[k] = v
+  end
+end
+
+-- Add more branch mnemonics.
+for cond,c in pairs(map_cond) do
+  local b1 = "b"..cond
+  local c1 = shl(band(c, 3), 16) + (c < 4 and 0x01000000 or 0)
+  -- bX[l]
+  map_op[b1.."_1"] = tohex(0x40800000 + c1).."K"
+  map_op[b1.."y_1"] = tohex(0x40a00000 + c1).."K"
+  map_op[b1.."l_1"] = tohex(0x40800001 + c1).."K"
+  map_op[b1.."_2"] = tohex(0x40800000 + c1).."-XK"
+  map_op[b1.."y_2"] = tohex(0x40a00000 + c1).."-XK"
+  map_op[b1.."l_2"] = tohex(0x40800001 + c1).."-XK"
+  -- bXlr[l]
+  map_op[b1.."lr_0"] = tohex(0x4c800020 + c1)
+  map_op[b1.."lrl_0"] = tohex(0x4c800021 + c1)
+  map_op[b1.."ctr_0"] = tohex(0x4c800420 + c1)
+  map_op[b1.."ctrl_0"] = tohex(0x4c800421 + c1)
+  -- bXctr[l]
+  map_op[b1.."lr_1"] = tohex(0x4c800020 + c1).."-X"
+  map_op[b1.."lrl_1"] = tohex(0x4c800021 + c1).."-X"
+  map_op[b1.."ctr_1"] = tohex(0x4c800420 + c1).."-X"
+  map_op[b1.."ctrl_1"] = tohex(0x4c800421 + c1).."-X"
+end
+
+------------------------------------------------------------------------------
+
+local function parse_gpr(expr)
+  local tname, ovreg = match(expr, "^([%w_]+):(r[1-3]?[0-9])$")
+  local tp = map_type[tname or expr]
+  if tp then
+    local reg = ovreg or tp.reg
+    if not reg then
+      werror("type `"..(tname or expr).."' needs a register override")
+    end
+    expr = reg
+  end
+  local r = match(expr, "^r([1-3]?[0-9])$")
+  if r then
+    r = tonumber(r)
+    if r <= 31 then return r, tp end
+  end
+  werror("bad register name `"..expr.."'")
+end
+
+local function parse_fpr(expr)
+  local r = match(expr, "^f([1-3]?[0-9])$")
+  if r then
+    r = tonumber(r)
+    if r <= 31 then return r end
+  end
+  werror("bad register name `"..expr.."'")
+end
+
+local function parse_vr(expr)
+  local r = match(expr, "^v([1-3]?[0-9])$")
+  if r then
+    r = tonumber(r)
+    if r <= 31 then return r end
+  end
+  werror("bad register name `"..expr.."'")
+end
+
+local function parse_vs(expr)
+  local r = match(expr, "^vs([1-6]?[0-9])$")
+  if r then
+    r = tonumber(r)
+    if r <= 63 then return r end
+  end
+  werror("bad register name `"..expr.."'")
+end
+
+local function parse_cr(expr)
+  local r = match(expr, "^cr([0-7])$")
+  if r then return tonumber(r) end
+  werror("bad condition register name `"..expr.."'")
+end
+
+local function parse_cond(expr)
+  local r, cond = match(expr, "^4%*cr([0-7])%+(%w%w)$")
+  if r then
+    r = tonumber(r)
+    local c = map_cond[cond]
+    if c and c < 4 then return r*4+c end
+  end
+  werror("bad condition bit name `"..expr.."'")
+end
+
+local parse_ctx = {}
+
+local loadenv = setfenv and function(s)
+  local code = loadstring(s, "")
+  if code then setfenv(code, parse_ctx) end
+  return code
+end or function(s)
+  return load(s, "", nil, parse_ctx)
+end
+
+-- Try to parse simple arithmetic, too, since some basic ops are aliases.
+local function parse_number(n)
+  local x = tonumber(n)
+  if x then return x end
+  local code = loadenv("return "..n)
+  if code then
+    local ok, y = pcall(code)
+    if ok then return y end
+  end
+  return nil
+end
+
+local function parse_imm(imm, bits, shift, scale, signed)
+  local n = parse_number(imm)
+  if n then
+    local m = sar(n, scale)
+    if shl(m, scale) == n then
+      if signed then
+	local s = sar(m, bits-1)
+	if s == 0 then return shl(m, shift)
+	elseif s == -1 then return shl(m + shl(1, bits), shift) end
+      else
+	if sar(m, bits) == 0 then return shl(m, shift) end
+      end
+    end
+    werror("out of range immediate `"..imm.."'")
+  elseif match(imm, "^[rfv]([1-3]?[0-9])$") or
+	 match(imm, "^vs([1-6]?[0-9])$") or
+	 match(imm, "^([%w_]+):(r[1-3]?[0-9])$") then
+    werror("expected immediate operand, got register")
+  else
+    waction("IMM", (signed and 32768 or 0)+scale*1024+bits*32+shift, imm)
+    return 0
+  end
+end
+
+local function parse_shiftmask(imm, isshift)
+  local n = parse_number(imm)
+  if n then
+    if shr(n, 6) == 0 then
+      local lsb = band(n, 31)
+      local msb = n - lsb
+      return isshift and (shl(lsb, 11)+shr(msb, 4)) or (shl(lsb, 6)+msb)
+    end
+    werror("out of range immediate `"..imm.."'")
+  elseif match(imm, "^r([1-3]?[0-9])$") or
+	 match(imm, "^([%w_]+):(r[1-3]?[0-9])$") then
+    werror("expected immediate operand, got register")
+  else
+    waction("IMMSH", isshift and 1 or 0, imm)
+    return 0;
+  end
+end
+
+local function parse_disp(disp)
+  local imm, reg = match(disp, "^(.*)%(([%w_:]+)%)$")
+  if imm then
+    local r = parse_gpr(reg)
+    if r == 0 then werror("cannot use r0 in displacement") end
+    return shl(r, 16) + parse_imm(imm, 16, 0, 0, true)
+  end
+  local reg, tailr = match(disp, "^([%w_:]+)%s*(.*)$")
+  if reg and tailr ~= "" then
+    local r, tp = parse_gpr(reg)
+    if r == 0 then werror("cannot use r0 in displacement") end
+    if tp then
+      waction("IMM", 32768+16*32, format(tp.ctypefmt, tailr))
+      return shl(r, 16)
+    end
+  end
+  werror("bad displacement `"..disp.."'")
+end
+
+local function parse_u5disp(disp, scale)
+  local imm, reg = match(disp, "^(.*)%(([%w_:]+)%)$")
+  if imm then
+    local r = parse_gpr(reg)
+    if r == 0 then werror("cannot use r0 in displacement") end
+    return shl(r, 16) + parse_imm(imm, 5, 11, scale, false)
+  end
+  local reg, tailr = match(disp, "^([%w_:]+)%s*(.*)$")
+  if reg and tailr ~= "" then
+    local r, tp = parse_gpr(reg)
+    if r == 0 then werror("cannot use r0 in displacement") end
+    if tp then
+      waction("IMM", scale*1024+5*32+11, format(tp.ctypefmt, tailr))
+      return shl(r, 16)
+    end
+  end
+  werror("bad displacement `"..disp.."'")
+end
+
+local function parse_label(label, def)
+  local prefix = sub(label, 1, 2)
+  -- =>label (pc label reference)
+  if prefix == "=>" then
+    return "PC", 0, sub(label, 3)
+  end
+  -- ->name (global label reference)
+  if prefix == "->" then
+    return "LG", map_global[sub(label, 3)]
+  end
+  if def then
+    -- [1-9] (local label definition)
+    if match(label, "^[1-9]$") then
+      return "LG", 10+tonumber(label)
+    end
+  else
+    -- [<>][1-9] (local label reference)
+    local dir, lnum = match(label, "^([<>])([1-9])$")
+    if dir then -- Fwd: 1-9, Bkwd: 11-19.
+      return "LG", lnum + (dir == ">" and 0 or 10)
+    end
+    -- extern label (extern label reference)
+    local extname = match(label, "^extern%s+(%S+)$")
+    if extname then
+      return "EXT", map_extern[extname]
+    end
+  end
+  werror("bad label `"..label.."'")
+end
+
+------------------------------------------------------------------------------
+
+-- Handle opcodes defined with template strings.
+op_template = function(params, template, nparams)
+  if not params then return sub(template, 9) end
+  local op = tonumber(sub(template, 1, 8), 16)
+  local n, rs = 1, 26
+
+  -- Limit number of section buffer positions used by a single dasm_put().
+  -- A single opcode needs a maximum of 3 positions (rlwinm).
+  if secpos+3 > maxsecpos then wflush() end
+  local pos = wpos()
+
+  -- Process each character.
+  for p in gmatch(sub(template, 9), ".") do
+    if p == "R" then
+      rs = rs - 5; op = op + shl(parse_gpr(params[n]), rs); n = n + 1
+    elseif p == "F" then
+      rs = rs - 5; op = op + shl(parse_fpr(params[n]), rs); n = n + 1
+    elseif p == "V" then
+      rs = rs - 5; op = op + shl(parse_vr(params[n]), rs); n = n + 1
+    elseif p == "Q" then
+      local vs = parse_vs(params[n]); n = n + 1; rs = rs - 5
+      local sh = rs == 6 and 2 or 3 + band(shr(rs, 1), 3)
+      op = op + shl(band(vs, 31), rs) + shr(band(vs, 32), sh)
+    elseif p == "q" then
+      local vs = parse_vs(params[n]); n = n + 1
+      op = op + shl(band(vs, 31), 21) + shr(band(vs, 32), 5)
+    elseif p == "A" then
+      rs = rs - 5; op = op + parse_imm(params[n], 5, rs, 0, false); n = n + 1
+    elseif p == "S" then
+      rs = rs - 5; op = op + parse_imm(params[n], 5, rs, 0, true); n = n + 1
+    elseif p == "I" then
+      op = op + parse_imm(params[n], 16, 0, 0, true); n = n + 1
+    elseif p == "U" then
+      op = op + parse_imm(params[n], 16, 0, 0, false); n = n + 1
+    elseif p == "D" then
+      op = op + parse_disp(params[n]); n = n + 1
+    elseif p == "2" then
+      op = op + parse_u5disp(params[n], 1); n = n + 1
+    elseif p == "4" then
+      op = op + parse_u5disp(params[n], 2); n = n + 1
+    elseif p == "8" then
+      op = op + parse_u5disp(params[n], 3); n = n + 1
+    elseif p == "C" then
+      rs = rs - 5; op = op + shl(parse_cond(params[n]), rs); n = n + 1
+    elseif p == "X" then
+      rs = rs - 5; op = op + shl(parse_cr(params[n]), rs+2); n = n + 1
+    elseif p == "1" then
+      rs = rs - 5; op = op + parse_imm(params[n], 1, rs, 0, false); n = n + 1
+    elseif p == "g" then
+      rs = rs - 5; op = op + parse_imm(params[n], 2, rs, 0, false); n = n + 1
+    elseif p == "3" then
+      rs = rs - 5; op = op + parse_imm(params[n], 3, rs, 0, false); n = n + 1
+    elseif p == "P" then
+      rs = rs - 5; op = op + parse_imm(params[n], 4, rs, 0, false); n = n + 1
+    elseif p == "p" then
+      op = op + parse_imm(params[n], 4, rs, 0, false); n = n + 1
+    elseif p == "6" then
+      rs = rs - 6; op = op + parse_imm(params[n], 6, rs, 0, false); n = n + 1
+    elseif p == "Y" then
+      rs = rs - 5; op = op + parse_imm(params[n], 1, rs+4, 0, false); n = n + 1
+    elseif p == "y" then
+      rs = rs - 5; op = op + parse_imm(params[n], 1, rs+3, 0, false); n = n + 1
+    elseif p == "Z" then
+      rs = rs - 5; op = op + parse_imm(params[n], 2, rs+3, 0, false); n = n + 1
+    elseif p == "z" then
+      rs = rs - 5; op = op + parse_imm(params[n], 2, rs+2, 0, false); n = n + 1
+    elseif p == "W" then
+      op = op + parse_cr(params[n]); n = n + 1
+    elseif p == "G" then
+      op = op + parse_imm(params[n], 8, 12, 0, false); n = n + 1
+    elseif p == "H" then
+      op = op + parse_shiftmask(params[n], true); n = n + 1
+    elseif p == "M" then
+      op = op + parse_shiftmask(params[n], false); n = n + 1
+    elseif p == "J" or p == "K" then
+      local mode, m, s = parse_label(params[n], false)
+      if p == "K" then m = m + 2048 end
+      waction("REL_"..mode, m, s, 1)
+      n = n + 1
+    elseif p == "0" then
+      if band(shr(op, rs), 31) == 0 then werror("cannot use r0") end
+    elseif p == "=" or p == "%" then
+      local t = band(shr(op, p == "%" and rs+5 or rs), 31)
+      rs = rs - 5
+      op = op + shl(t, rs)
+    elseif p == "~" then
+      local mm = shl(31, rs)
+      local lo = band(op, mm)
+      local hi = band(op, shl(mm, 5))
+      op = op - lo - hi + shl(lo, 5) + shr(hi, 5)
+    elseif p == ":" then
+      if band(shr(op, rs), 1) ~= 0 then werror("register pair expected") end
+    elseif p == "-" then
+      rs = rs - 5
+    elseif p == "." then
+      -- Ignored.
+    else
+      assert(false)
+    end
+  end
+  wputpos(pos, op)
+end
+
+map_op[".template__"] = op_template
+
+------------------------------------------------------------------------------
+
+-- Pseudo-opcode to mark the position where the action list is to be emitted.
+map_op[".actionlist_1"] = function(params)
+  if not params then return "cvar" end
+  local name = params[1] -- No syntax check. You get to keep the pieces.
+  wline(function(out) writeactions(out, name) end)
+end
+
+-- Pseudo-opcode to mark the position where the global enum is to be emitted.
+map_op[".globals_1"] = function(params)
+  if not params then return "prefix" end
+  local prefix = params[1] -- No syntax check. You get to keep the pieces.
+  wline(function(out) writeglobals(out, prefix) end)
+end
+
+-- Pseudo-opcode to mark the position where the global names are to be emitted.
+map_op[".globalnames_1"] = function(params)
+  if not params then return "cvar" end
+  local name = params[1] -- No syntax check. You get to keep the pieces.
+  wline(function(out) writeglobalnames(out, name) end)
+end
+
+-- Pseudo-opcode to mark the position where the extern names are to be emitted.
+map_op[".externnames_1"] = function(params)
+  if not params then return "cvar" end
+  local name = params[1] -- No syntax check. You get to keep the pieces.
+  wline(function(out) writeexternnames(out, name) end)
+end
+
+------------------------------------------------------------------------------
+
+-- Label pseudo-opcode (converted from trailing colon form).
+map_op[".label_1"] = function(params)
+  if not params then return "[1-9] | ->global | =>pcexpr" end
+  if secpos+1 > maxsecpos then wflush() end
+  local mode, n, s = parse_label(params[1], true)
+  if mode == "EXT" then werror("bad label definition") end
+  waction("LABEL_"..mode, n, s, 1)
+end
+
+------------------------------------------------------------------------------
+
+-- Pseudo-opcodes for data storage.
+map_op[".long_*"] = function(params)
+  if not params then return "imm..." end
+  for _,p in ipairs(params) do
+    local n = tonumber(p)
+    if not n then werror("bad immediate `"..p.."'") end
+    if n < 0 then n = n + 2^32 end
+    wputw(n)
+    if secpos+2 > maxsecpos then wflush() end
+  end
+end
+
+-- Alignment pseudo-opcode.
+map_op[".align_1"] = function(params)
+  if not params then return "numpow2" end
+  if secpos+1 > maxsecpos then wflush() end
+  local align = tonumber(params[1])
+  if align then
+    local x = align
+    -- Must be a power of 2 in the range (2 ... 256).
+    for i=1,8 do
+      x = x / 2
+      if x == 1 then
+	waction("ALIGN", align-1, nil, 1) -- Action byte is 2**n-1.
+	return
+      end
+    end
+  end
+  werror("bad alignment")
+end
+
+------------------------------------------------------------------------------
+
+-- Pseudo-opcode for (primitive) type definitions (map to C types).
+map_op[".type_3"] = function(params, nparams)
+  if not params then
+    return nparams == 2 and "name, ctype" or "name, ctype, reg"
+  end
+  local name, ctype, reg = params[1], params[2], params[3]
+  if not match(name, "^[%a_][%w_]*$") then
+    werror("bad type name `"..name.."'")
+  end
+  local tp = map_type[name]
+  if tp then
+    werror("duplicate type `"..name.."'")
+  end
+  -- Add #type to defines. A bit unclean to put it in map_archdef.
+  map_archdef["#"..name] = "sizeof("..ctype..")"
+  -- Add new type and emit shortcut define.
+  local num = ctypenum + 1
+  map_type[name] = {
+    ctype = ctype,
+    ctypefmt = format("Dt%X(%%s)", num),
+    reg = reg,
+  }
+  wline(format("#define Dt%X(_V) (int)(ptrdiff_t)&(((%s *)0)_V)", num, ctype))
+  ctypenum = num
+end
+map_op[".type_2"] = map_op[".type_3"]
+
+-- Dump type definitions.
+local function dumptypes(out, lvl)
+  local t = {}
+  for name in pairs(map_type) do t[#t+1] = name end
+  sort(t)
+  out:write("Type definitions:\n")
+  for _,name in ipairs(t) do
+    local tp = map_type[name]
+    local reg = tp.reg or ""
+    out:write(format("  %-20s %-20s %s\n", name, tp.ctype, reg))
+  end
+  out:write("\n")
+end
+
+------------------------------------------------------------------------------
+
+-- Set the current section.
+function _M.section(num)
+  waction("SECTION", num)
+  wflush(true) -- SECTION is a terminal action.
+end
+
+------------------------------------------------------------------------------
+
+-- Dump architecture description.
+function _M.dumparch(out)
+  out:write(format("DynASM %s version %s, released %s\n\n",
+    _info.arch, _info.version, _info.release))
+  dumpactions(out)
+end
+
+-- Dump all user defined elements.
+function _M.dumpdef(out, lvl)
+  dumptypes(out, lvl)
+  dumpglobals(out, lvl)
+  dumpexterns(out, lvl)
+end
+
+------------------------------------------------------------------------------
+
+-- Pass callbacks from/to the DynASM core.
+function _M.passcb(wl, we, wf, ww)
+  wline, werror, wfatal, wwarn = wl, we, wf, ww
+  return wflush
+end
+
+-- Setup the arch-specific module.
+function _M.setup(arch, opt)
+  g_arch, g_opt = arch, opt
+end
+
+-- Merge the core maps and the arch-specific maps.
+function _M.mergemaps(map_coreop, map_def)
+  setmetatable(map_op, { __index = map_coreop })
+  setmetatable(map_def, { __index = map_archdef })
+  return map_op, map_def
+end
+
+return _M
+
+------------------------------------------------------------------------------
+