Renamed lib to deps so github will ignore it for language stats

1 files changed, 0 insertions, 1125 deletions

diff --git a/lib/LuaJIT/dynasm/dasm_arm.lua b/lib/LuaJIT/dynasm/dasm_arm.lua
deleted file mode 100644
index 32f595a..0000000
--- a/lib/LuaJIT/dynasm/dasm_arm.lua
+++ /dev/null
@@ -1,1125 +0,0 @@
-------------------------------------------------------------------------------
--- DynASM ARM module.
---
--- Copyright (C) 2005-2017 Mike Pall. All rights reserved.
--- See dynasm.lua for full copyright notice.
-------------------------------------------------------------------------------
-
--- Module information:
-local _info = {
-  arch =	"arm",
-  description =	"DynASM ARM module",
-  version =	"1.4.0",
-  vernum =	 10400,
-  release =	"2015-10-18",
-  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, rawget = assert, setmetatable, rawget
-local _s = string
-local sub, format, byte, char = _s.sub, _s.format, _s.byte, _s.char
-local match, gmatch, gsub = _s.match, _s.gmatch, _s.gsub
-local concat, sort, insert = table.concat, table.sort, table.insert
-local bit = bit or require("bit")
-local band, shl, shr, sar = bit.band, bit.lshift, bit.rshift, bit.arshift
-local ror, tohex = bit.ror, 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", "IMM12", "IMM16", "IMML8", "IMML12", "IMMV8",
-}
-
--- 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 <= 0x000fffff 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")
-  if n <= 0x000fffff then
-    insert(actlist, pos+1, n)
-    n = map_action.ESC * 0x10000
-  end
-  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.
-
--- Ext. register name -> int. name.
-local map_archdef = { sp = "r13", lr = "r14", pc = "r15", }
-
--- Int. register name -> ext. name.
-local map_reg_rev = { r13 = "sp", r14 = "lr", r15 = "pc", }
-
-local map_type = {}		-- Type name -> { ctype, reg }
-local ctypenum = 0		-- Type number (for Dt... macros).
-
--- Reverse defines for registers.
-function _M.revdef(s)
-  return map_reg_rev[s] or s
-end
-
-local map_shift = { lsl = 0, lsr = 1, asr = 2, ror = 3, }
-
-local map_cond = {
-  eq = 0, ne = 1, cs = 2, cc = 3, mi = 4, pl = 5, vs = 6, vc = 7,
-  hi = 8, ls = 9, ge = 10, lt = 11, gt = 12, le = 13, al = 14,
-  hs = 2, lo = 3,
-}
-
-------------------------------------------------------------------------------
-
--- Template strings for ARM instructions.
-local map_op = {
-  -- Basic data processing instructions.
-  and_3 = "e0000000DNPs",
-  eor_3 = "e0200000DNPs",
-  sub_3 = "e0400000DNPs",
-  rsb_3 = "e0600000DNPs",
-  add_3 = "e0800000DNPs",
-  adc_3 = "e0a00000DNPs",
-  sbc_3 = "e0c00000DNPs",
-  rsc_3 = "e0e00000DNPs",
-  tst_2 = "e1100000NP",
-  teq_2 = "e1300000NP",
-  cmp_2 = "e1500000NP",
-  cmn_2 = "e1700000NP",
-  orr_3 = "e1800000DNPs",
-  mov_2 = "e1a00000DPs",
-  bic_3 = "e1c00000DNPs",
-  mvn_2 = "e1e00000DPs",
-
-  and_4 = "e0000000DNMps",
-  eor_4 = "e0200000DNMps",
-  sub_4 = "e0400000DNMps",
-  rsb_4 = "e0600000DNMps",
-  add_4 = "e0800000DNMps",
-  adc_4 = "e0a00000DNMps",
-  sbc_4 = "e0c00000DNMps",
-  rsc_4 = "e0e00000DNMps",
-  tst_3 = "e1100000NMp",
-  teq_3 = "e1300000NMp",
-  cmp_3 = "e1500000NMp",
-  cmn_3 = "e1700000NMp",
-  orr_4 = "e1800000DNMps",
-  mov_3 = "e1a00000DMps",
-  bic_4 = "e1c00000DNMps",
-  mvn_3 = "e1e00000DMps",
-
-  lsl_3 = "e1a00000DMws",
-  lsr_3 = "e1a00020DMws",
-  asr_3 = "e1a00040DMws",
-  ror_3 = "e1a00060DMws",
-  rrx_2 = "e1a00060DMs",
-
-  -- Multiply and multiply-accumulate.
-  mul_3 = "e0000090NMSs",
-  mla_4 = "e0200090NMSDs",
-  umaal_4 = "e0400090DNMSs",	-- v6
-  mls_4 = "e0600090DNMSs",	-- v6T2
-  umull_4 = "e0800090DNMSs",
-  umlal_4 = "e0a00090DNMSs",
-  smull_4 = "e0c00090DNMSs",
-  smlal_4 = "e0e00090DNMSs",
-
-  -- Halfword multiply and multiply-accumulate.
-  smlabb_4 = "e1000080NMSD",	-- v5TE
-  smlatb_4 = "e10000a0NMSD",	-- v5TE
-  smlabt_4 = "e10000c0NMSD",	-- v5TE
-  smlatt_4 = "e10000e0NMSD",	-- v5TE
-  smlawb_4 = "e1200080NMSD",	-- v5TE
-  smulwb_3 = "e12000a0NMS",	-- v5TE
-  smlawt_4 = "e12000c0NMSD",	-- v5TE
-  smulwt_3 = "e12000e0NMS",	-- v5TE
-  smlalbb_4 = "e1400080NMSD",	-- v5TE
-  smlaltb_4 = "e14000a0NMSD",	-- v5TE
-  smlalbt_4 = "e14000c0NMSD",	-- v5TE
-  smlaltt_4 = "e14000e0NMSD",	-- v5TE
-  smulbb_3 = "e1600080NMS",	-- v5TE
-  smultb_3 = "e16000a0NMS",	-- v5TE
-  smulbt_3 = "e16000c0NMS",	-- v5TE
-  smultt_3 = "e16000e0NMS",	-- v5TE
-
-  -- Miscellaneous data processing instructions.
-  clz_2 = "e16f0f10DM", -- v5T
-  rev_2 = "e6bf0f30DM", -- v6
-  rev16_2 = "e6bf0fb0DM", -- v6
-  revsh_2 = "e6ff0fb0DM", -- v6
-  sel_3 = "e6800fb0DNM", -- v6
-  usad8_3 = "e780f010NMS", -- v6
-  usada8_4 = "e7800010NMSD", -- v6
-  rbit_2 = "e6ff0f30DM", -- v6T2
-  movw_2 = "e3000000DW", -- v6T2
-  movt_2 = "e3400000DW", -- v6T2
-  -- Note: the X encodes width-1, not width.
-  sbfx_4 = "e7a00050DMvX", -- v6T2
-  ubfx_4 = "e7e00050DMvX", -- v6T2
-  -- Note: the X encodes the msb field, not the width.
-  bfc_3 = "e7c0001fDvX", -- v6T2
-  bfi_4 = "e7c00010DMvX", -- v6T2
-
-  -- Packing and unpacking instructions.
-  pkhbt_3 = "e6800010DNM", pkhbt_4 = "e6800010DNMv", -- v6
-  pkhtb_3 = "e6800050DNM", pkhtb_4 = "e6800050DNMv", -- v6
-  sxtab_3 = "e6a00070DNM", sxtab_4 = "e6a00070DNMv", -- v6
-  sxtab16_3 = "e6800070DNM", sxtab16_4 = "e6800070DNMv", -- v6
-  sxtah_3 = "e6b00070DNM", sxtah_4 = "e6b00070DNMv", -- v6
-  sxtb_2 = "e6af0070DM", sxtb_3 = "e6af0070DMv", -- v6
-  sxtb16_2 = "e68f0070DM", sxtb16_3 = "e68f0070DMv", -- v6
-  sxth_2 = "e6bf0070DM", sxth_3 = "e6bf0070DMv", -- v6
-  uxtab_3 = "e6e00070DNM", uxtab_4 = "e6e00070DNMv", -- v6
-  uxtab16_3 = "e6c00070DNM", uxtab16_4 = "e6c00070DNMv", -- v6
-  uxtah_3 = "e6f00070DNM", uxtah_4 = "e6f00070DNMv", -- v6
-  uxtb_2 = "e6ef0070DM", uxtb_3 = "e6ef0070DMv", -- v6
-  uxtb16_2 = "e6cf0070DM", uxtb16_3 = "e6cf0070DMv", -- v6
-  uxth_2 = "e6ff0070DM", uxth_3 = "e6ff0070DMv", -- v6
-
-  -- Saturating instructions.
-  qadd_3 = "e1000050DMN",	-- v5TE
-  qsub_3 = "e1200050DMN",	-- v5TE
-  qdadd_3 = "e1400050DMN",	-- v5TE
-  qdsub_3 = "e1600050DMN",	-- v5TE
-  -- Note: the X for ssat* encodes sat_imm-1, not sat_imm.
-  ssat_3 = "e6a00010DXM", ssat_4 = "e6a00010DXMp", -- v6
-  usat_3 = "e6e00010DXM", usat_4 = "e6e00010DXMp", -- v6
-  ssat16_3 = "e6a00f30DXM", -- v6
-  usat16_3 = "e6e00f30DXM", -- v6
-
-  -- Parallel addition and subtraction.
-  sadd16_3 = "e6100f10DNM", -- v6
-  sasx_3 = "e6100f30DNM", -- v6
-  ssax_3 = "e6100f50DNM", -- v6
-  ssub16_3 = "e6100f70DNM", -- v6
-  sadd8_3 = "e6100f90DNM", -- v6
-  ssub8_3 = "e6100ff0DNM", -- v6
-  qadd16_3 = "e6200f10DNM", -- v6
-  qasx_3 = "e6200f30DNM", -- v6
-  qsax_3 = "e6200f50DNM", -- v6
-  qsub16_3 = "e6200f70DNM", -- v6
-  qadd8_3 = "e6200f90DNM", -- v6
-  qsub8_3 = "e6200ff0DNM", -- v6
-  shadd16_3 = "e6300f10DNM", -- v6
-  shasx_3 = "e6300f30DNM", -- v6
-  shsax_3 = "e6300f50DNM", -- v6
-  shsub16_3 = "e6300f70DNM", -- v6
-  shadd8_3 = "e6300f90DNM", -- v6
-  shsub8_3 = "e6300ff0DNM", -- v6
-  uadd16_3 = "e6500f10DNM", -- v6
-  uasx_3 = "e6500f30DNM", -- v6
-  usax_3 = "e6500f50DNM", -- v6
-  usub16_3 = "e6500f70DNM", -- v6
-  uadd8_3 = "e6500f90DNM", -- v6
-  usub8_3 = "e6500ff0DNM", -- v6
-  uqadd16_3 = "e6600f10DNM", -- v6
-  uqasx_3 = "e6600f30DNM", -- v6
-  uqsax_3 = "e6600f50DNM", -- v6
-  uqsub16_3 = "e6600f70DNM", -- v6
-  uqadd8_3 = "e6600f90DNM", -- v6
-  uqsub8_3 = "e6600ff0DNM", -- v6
-  uhadd16_3 = "e6700f10DNM", -- v6
-  uhasx_3 = "e6700f30DNM", -- v6
-  uhsax_3 = "e6700f50DNM", -- v6
-  uhsub16_3 = "e6700f70DNM", -- v6
-  uhadd8_3 = "e6700f90DNM", -- v6
-  uhsub8_3 = "e6700ff0DNM", -- v6
-
-  -- Load/store instructions.
-  str_2 = "e4000000DL", str_3 = "e4000000DL", str_4 = "e4000000DL",
-  strb_2 = "e4400000DL", strb_3 = "e4400000DL", strb_4 = "e4400000DL",
-  ldr_2 = "e4100000DL", ldr_3 = "e4100000DL", ldr_4 = "e4100000DL",
-  ldrb_2 = "e4500000DL", ldrb_3 = "e4500000DL", ldrb_4 = "e4500000DL",
-  strh_2 = "e00000b0DL", strh_3 = "e00000b0DL",
-  ldrh_2 = "e01000b0DL", ldrh_3 = "e01000b0DL",
-  ldrd_2 = "e00000d0DL", ldrd_3 = "e00000d0DL", -- v5TE
-  ldrsb_2 = "e01000d0DL", ldrsb_3 = "e01000d0DL",
-  strd_2 = "e00000f0DL", strd_3 = "e00000f0DL", -- v5TE
-  ldrsh_2 = "e01000f0DL", ldrsh_3 = "e01000f0DL",
-
-  ldm_2 = "e8900000oR", ldmia_2 = "e8900000oR", ldmfd_2 = "e8900000oR",
-  ldmda_2 = "e8100000oR", ldmfa_2 = "e8100000oR",
-  ldmdb_2 = "e9100000oR", ldmea_2 = "e9100000oR",
-  ldmib_2 = "e9900000oR", ldmed_2 = "e9900000oR",
-  stm_2 = "e8800000oR", stmia_2 = "e8800000oR", stmfd_2 = "e8800000oR",
-  stmda_2 = "e8000000oR", stmfa_2 = "e8000000oR",
-  stmdb_2 = "e9000000oR", stmea_2 = "e9000000oR",
-  stmib_2 = "e9800000oR", stmed_2 = "e9800000oR",
-  pop_1 = "e8bd0000R", push_1 = "e92d0000R",
-
-  -- Branch instructions.
-  b_1 = "ea000000B",
-  bl_1 = "eb000000B",
-  blx_1 = "e12fff30C",
-  bx_1 = "e12fff10M",
-
-  -- Miscellaneous instructions.
-  nop_0 = "e1a00000",
-  mrs_1 = "e10f0000D",
-  bkpt_1 = "e1200070K", -- v5T
-  svc_1 = "ef000000T", swi_1 = "ef000000T",
-  ud_0 = "e7f001f0",
-
-  -- VFP instructions.
-  ["vadd.f32_3"] = "ee300a00dnm",
-  ["vadd.f64_3"] = "ee300b00Gdnm",
-  ["vsub.f32_3"] = "ee300a40dnm",
-  ["vsub.f64_3"] = "ee300b40Gdnm",
-  ["vmul.f32_3"] = "ee200a00dnm",
-  ["vmul.f64_3"] = "ee200b00Gdnm",
-  ["vnmul.f32_3"] = "ee200a40dnm",
-  ["vnmul.f64_3"] = "ee200b40Gdnm",
-  ["vmla.f32_3"] = "ee000a00dnm",
-  ["vmla.f64_3"] = "ee000b00Gdnm",
-  ["vmls.f32_3"] = "ee000a40dnm",
-  ["vmls.f64_3"] = "ee000b40Gdnm",
-  ["vnmla.f32_3"] = "ee100a40dnm",
-  ["vnmla.f64_3"] = "ee100b40Gdnm",
-  ["vnmls.f32_3"] = "ee100a00dnm",
-  ["vnmls.f64_3"] = "ee100b00Gdnm",
-  ["vdiv.f32_3"] = "ee800a00dnm",
-  ["vdiv.f64_3"] = "ee800b00Gdnm",
-
-  ["vabs.f32_2"] = "eeb00ac0dm",
-  ["vabs.f64_2"] = "eeb00bc0Gdm",
-  ["vneg.f32_2"] = "eeb10a40dm",
-  ["vneg.f64_2"] = "eeb10b40Gdm",
-  ["vsqrt.f32_2"] = "eeb10ac0dm",
-  ["vsqrt.f64_2"] = "eeb10bc0Gdm",
-  ["vcmp.f32_2"] = "eeb40a40dm",
-  ["vcmp.f64_2"] = "eeb40b40Gdm",
-  ["vcmpe.f32_2"] = "eeb40ac0dm",
-  ["vcmpe.f64_2"] = "eeb40bc0Gdm",
-  ["vcmpz.f32_1"] = "eeb50a40d",
-  ["vcmpz.f64_1"] = "eeb50b40Gd",
-  ["vcmpze.f32_1"] = "eeb50ac0d",
-  ["vcmpze.f64_1"] = "eeb50bc0Gd",
-
-  vldr_2 = "ed100a00dl|ed100b00Gdl",
-  vstr_2 = "ed000a00dl|ed000b00Gdl",
-  vldm_2 = "ec900a00or",
-  vldmia_2 = "ec900a00or",
-  vldmdb_2 = "ed100a00or",
-  vpop_1 = "ecbd0a00r",
-  vstm_2 = "ec800a00or",
-  vstmia_2 = "ec800a00or",
-  vstmdb_2 = "ed000a00or",
-  vpush_1 = "ed2d0a00r",
-
-  ["vmov.f32_2"] = "eeb00a40dm|eeb00a00dY",	-- #imm is VFPv3 only
-  ["vmov.f64_2"] = "eeb00b40Gdm|eeb00b00GdY",	-- #imm is VFPv3 only
-  vmov_2 = "ee100a10Dn|ee000a10nD",
-  vmov_3 = "ec500a10DNm|ec400a10mDN|ec500b10GDNm|ec400b10GmDN",
-
-  vmrs_0 = "eef1fa10",
-  vmrs_1 = "eef10a10D",
-  vmsr_1 = "eee10a10D",
-
-  ["vcvt.s32.f32_2"] = "eebd0ac0dm",
-  ["vcvt.s32.f64_2"] = "eebd0bc0dGm",
-  ["vcvt.u32.f32_2"] = "eebc0ac0dm",
-  ["vcvt.u32.f64_2"] = "eebc0bc0dGm",
-  ["vcvtr.s32.f32_2"] = "eebd0a40dm",
-  ["vcvtr.s32.f64_2"] = "eebd0b40dGm",
-  ["vcvtr.u32.f32_2"] = "eebc0a40dm",
-  ["vcvtr.u32.f64_2"] = "eebc0b40dGm",
-  ["vcvt.f32.s32_2"] = "eeb80ac0dm",
-  ["vcvt.f64.s32_2"] = "eeb80bc0GdFm",
-  ["vcvt.f32.u32_2"] = "eeb80a40dm",
-  ["vcvt.f64.u32_2"] = "eeb80b40GdFm",
-  ["vcvt.f32.f64_2"] = "eeb70bc0dGm",
-  ["vcvt.f64.f32_2"] = "eeb70ac0GdFm",
-
-  -- VFPv4 only:
-  ["vfma.f32_3"] = "eea00a00dnm",
-  ["vfma.f64_3"] = "eea00b00Gdnm",
-  ["vfms.f32_3"] = "eea00a40dnm",
-  ["vfms.f64_3"] = "eea00b40Gdnm",
-  ["vfnma.f32_3"] = "ee900a40dnm",
-  ["vfnma.f64_3"] = "ee900b40Gdnm",
-  ["vfnms.f32_3"] = "ee900a00dnm",
-  ["vfnms.f64_3"] = "ee900b00Gdnm",
-
-  -- NYI: Advanced SIMD instructions.
-
-  -- NYI: I have no need for these instructions right now:
-  -- swp, swpb, strex, ldrex, strexd, ldrexd, strexb, ldrexb, strexh, ldrexh
-  -- msr, nopv6, yield, wfe, wfi, sev, dbg, bxj, smc, srs, rfe
-  -- cps, setend, pli, pld, pldw, clrex, dsb, dmb, isb
-  -- stc, ldc, mcr, mcr2, mrc, mrc2, mcrr, mcrr2, mrrc, mrrc2, cdp, cdp2
-}
-
--- Add mnemonics for "s" variants.
-do
-  local t = {}
-  for k,v in pairs(map_op) do
-    if sub(v, -1) == "s" then
-      local v2 = sub(v, 1, 2)..char(byte(v, 3)+1)..sub(v, 4, -2)
-      t[sub(k, 1, -3).."s"..sub(k, -2)] = v2
-    end
-  end
-  for k,v in pairs(t) do
-    map_op[k] = v
-  end
-end
-
-------------------------------------------------------------------------------
-
-local function parse_gpr(expr)
-  local tname, ovreg = match(expr, "^([%w_]+):(r1?[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?[0-9])$")
-  if r then
-    r = tonumber(r)
-    if r <= 15 then return r, tp end
-  end
-  werror("bad register name `"..expr.."'")
-end
-
-local function parse_gpr_pm(expr)
-  local pm, expr2 = match(expr, "^([+-]?)(.*)$")
-  return parse_gpr(expr2), (pm == "-")
-end
-
-local function parse_vr(expr, tp)
-  local t, r = match(expr, "^([sd])([0-9]+)$")
-  if t == tp then
-    r = tonumber(r)
-    if r <= 31 then
-      if t == "s" then return shr(r, 1), band(r, 1) end
-      return band(r, 15), shr(r, 4)
-    end
-  end
-  werror("bad register name `"..expr.."'")
-end
-
-local function parse_reglist(reglist)
-  reglist = match(reglist, "^{%s*([^}]*)}$")
-  if not reglist then werror("register list expected") end
-  local rr = 0
-  for p in gmatch(reglist..",", "%s*([^,]*),") do
-    local rbit = shl(1, parse_gpr(gsub(p, "%s+$", "")))
-    if band(rr, rbit) ~= 0 then
-      werror("duplicate register `"..p.."'")
-    end
-    rr = rr + rbit
-  end
-  return rr
-end
-
-local function parse_vrlist(reglist)
-  local ta, ra, tb, rb = match(reglist,
-			   "^{%s*([sd])([0-9]+)%s*%-%s*([sd])([0-9]+)%s*}$")
-  ra, rb = tonumber(ra), tonumber(rb)
-  if ta and ta == tb and ra and rb and ra <= 31 and rb <= 31 and ra <= rb then
-    local nr = rb+1 - ra
-    if ta == "s" then
-      return shl(shr(ra,1),12)+shl(band(ra,1),22) + nr
-    else
-      return shl(band(ra,15),12)+shl(shr(ra,4),22) + nr*2 + 0x100
-    end
-  end
-  werror("register list expected")
-end
-
-local function parse_imm(imm, bits, shift, scale, signed)
-  imm = match(imm, "^#(.*)$")
-  if not imm then werror("expected immediate operand") end
-  local n = tonumber(imm)
-  if n then
-    local m = sar(n, scale)
-    if shl(m, scale) == n then
-      if signed then
-	local s = sar(m, bits-1)
-	if s == 0 then return shl(m, shift)
-	elseif s == -1 then return shl(m + shl(1, bits), shift) end
-      else
-	if sar(m, bits) == 0 then return shl(m, shift) end
-      end
-    end
-    werror("out of range immediate `"..imm.."'")
-  else
-    waction("IMM", (signed and 32768 or 0)+scale*1024+bits*32+shift, imm)
-    return 0
-  end
-end
-
-local function parse_imm12(imm)
-  local n = tonumber(imm)
-  if n then
-    local m = band(n)
-    for i=0,-15,-1 do
-      if shr(m, 8) == 0 then return m + shl(band(i, 15), 8) end
-      m = ror(m, 2)
-    end
-    werror("out of range immediate `"..imm.."'")
-  else
-    waction("IMM12", 0, imm)
-    return 0
-  end
-end
-
-local function parse_imm16(imm)
-  imm = match(imm, "^#(.*)$")
-  if not imm then werror("expected immediate operand") end
-  local n = tonumber(imm)
-  if n then
-    if shr(n, 16) == 0 then return band(n, 0x0fff) + shl(band(n, 0xf000), 4) end
-    werror("out of range immediate `"..imm.."'")
-  else
-    waction("IMM16", 32*16, imm)
-    return 0
-  end
-end
-
-local function parse_imm_load(imm, ext)
-  local n = tonumber(imm)
-  if n then
-    if ext then
-      if n >= -255 and n <= 255 then
-	local up = 0x00800000
-	if n < 0 then n = -n; up = 0 end
-	return shl(band(n, 0xf0), 4) + band(n, 0x0f) + up
-      end
-    else
-      if n >= -4095 and n <= 4095 then
-	if n >= 0 then return n+0x00800000 end
-	return -n
-      end
-    end
-    werror("out of range immediate `"..imm.."'")
-  else
-    waction(ext and "IMML8" or "IMML12", 32768 + shl(ext and 8 or 12, 5), imm)
-    return 0
-  end
-end
-
-local function parse_shift(shift, gprok)
-  if shift == "rrx" then
-    return 3 * 32
-  else
-    local s, s2 = match(shift, "^(%S+)%s*(.*)$")
-    s = map_shift[s]
-    if not s then werror("expected shift operand") end
-    if sub(s2, 1, 1) == "#" then
-      return parse_imm(s2, 5, 7, 0, false) + shl(s, 5)
-    else
-      if not gprok then werror("expected immediate shift operand") end
-      return shl(parse_gpr(s2), 8) + shl(s, 5) + 16
-    end
-  end
-end
-
-local function parse_label(label, def)
-  local prefix = sub(label, 1, 2)
-  -- =>label (pc label reference)
-  if prefix == "=>" then
-    return "PC", 0, sub(label, 3)
-  end
-  -- ->name (global label reference)
-  if prefix == "->" then
-    return "LG", map_global[sub(label, 3)]
-  end
-  if def then
-    -- [1-9] (local label definition)
-    if match(label, "^[1-9]$") 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
-
-local function parse_load(params, nparams, n, op)
-  local oplo = band(op, 255)
-  local ext, ldrd = (oplo ~= 0), (oplo == 208)
-  local d
-  if (ldrd or oplo == 240) then
-    d = band(shr(op, 12), 15)
-    if band(d, 1) ~= 0 then werror("odd destination register") end
-  end
-  local pn = params[n]
-  local p1, wb = match(pn, "^%[%s*(.-)%s*%](!?)$")
-  local p2 = params[n+1]
-  if not p1 then
-    if not p2 then
-      if match(pn, "^[<>=%-]") or match(pn, "^extern%s+") then
-	local mode, n, s = parse_label(pn, false)
-	waction("REL_"..mode, n + (ext and 0x1800 or 0x0800), s, 1)
-	return op + 15 * 65536 + 0x01000000 + (ext and 0x00400000 or 0)
-      end
-      local reg, tailr = match(pn, "^([%w_:]+)%s*(.*)$")
-      if reg and tailr ~= "" then
-	local d, tp = parse_gpr(reg)
-	if tp then
-	  waction(ext and "IMML8" or "IMML12", 32768 + 32*(ext and 8 or 12),
-		  format(tp.ctypefmt, tailr))
-	  return op + shl(d, 16) + 0x01000000 + (ext and 0x00400000 or 0)
-	end
-      end
-    end
-    werror("expected address operand")
-  end
-  if wb == "!" then op = op + 0x00200000 end
-  if p2 then
-    if wb == "!" then werror("bad use of '!'") end
-    local p3 = params[n+2]
-    op = op + shl(parse_gpr(p1), 16)
-    local imm = match(p2, "^#(.*)$")
-    if imm then
-      local m = parse_imm_load(imm, ext)
-      if p3 then werror("too many parameters") end
-      op = op + m + (ext and 0x00400000 or 0)
-    else
-      local m, neg = parse_gpr_pm(p2)
-      if ldrd and (m == d or m-1 == d) then werror("register conflict") end
-      op = op + m + (neg and 0 or 0x00800000) + (ext and 0 or 0x02000000)
-      if p3 then op = op + parse_shift(p3) end
-    end
-  else
-    local p1a, p2 = match(p1, "^([^,%s]*)%s*(.*)$")
-    op = op + shl(parse_gpr(p1a), 16) + 0x01000000
-    if p2 ~= "" then
-      local imm = match(p2, "^,%s*#(.*)$")
-      if imm then
-	local m = parse_imm_load(imm, ext)
-	op = op + m + (ext and 0x00400000 or 0)
-      else
-	local p2a, p3 = match(p2, "^,%s*([^,%s]*)%s*,?%s*(.*)$")
-	local m, neg = parse_gpr_pm(p2a)
-	if ldrd and (m == d or m-1 == d) then werror("register conflict") end
-	op = op + m + (neg and 0 or 0x00800000) + (ext and 0 or 0x02000000)
-	if p3 ~= "" then
-	  if ext then werror("too many parameters") end
-	  op = op + parse_shift(p3)
-	end
-      end
-    else
-      if wb == "!" then werror("bad use of '!'") end
-      op = op + (ext and 0x00c00000 or 0x00800000)
-    end
-  end
-  return op
-end
-
-local function parse_vload(q)
-  local reg, imm = match(q, "^%[%s*([^,%s]*)%s*(.*)%]$")
-  if reg then
-    local d = shl(parse_gpr(reg), 16)
-    if imm == "" then return d end
-    imm = match(imm, "^,%s*#(.*)$")
-    if imm then
-      local n = tonumber(imm)
-      if n then
-	if n >= -1020 and n <= 1020 and n%4 == 0 then
-	  return d + (n >= 0 and n/4+0x00800000 or -n/4)
-	end
-	werror("out of range immediate `"..imm.."'")
-      else
-	waction("IMMV8", 32768 + 32*8, imm)
-	return d
-      end
-    end
-  else
-    if match(q, "^[<>=%-]") or match(q, "^extern%s+") then
-      local mode, n, s = parse_label(q, false)
-      waction("REL_"..mode, n + 0x2800, s, 1)
-      return 15 * 65536
-    end
-    local reg, tailr = match(q, "^([%w_:]+)%s*(.*)$")
-    if reg and tailr ~= "" then
-      local d, tp = parse_gpr(reg)
-      if tp then
-	waction("IMMV8", 32768 + 32*8, format(tp.ctypefmt, tailr))
-	return shl(d, 16)
-      end
-    end
-  end
-  werror("expected address operand")
-end
-
-------------------------------------------------------------------------------
-
--- Handle opcodes defined with template strings.
-local function parse_template(params, template, nparams, pos)
-  local op = tonumber(sub(template, 1, 8), 16)
-  local n = 1
-  local vr = "s"
-
-  -- Process each character.
-  for p in gmatch(sub(template, 9), ".") do
-    local q = params[n]
-    if p == "D" then
-      op = op + shl(parse_gpr(q), 12); n = n + 1
-    elseif p == "N" then
-      op = op + shl(parse_gpr(q), 16); n = n + 1
-    elseif p == "S" then
-      op = op + shl(parse_gpr(q), 8); n = n + 1
-    elseif p == "M" then
-      op = op + parse_gpr(q); n = n + 1
-    elseif p == "d" then
-      local r,h = parse_vr(q, vr); op = op+shl(r,12)+shl(h,22); n = n + 1
-    elseif p == "n" then
-      local r,h = parse_vr(q, vr); op = op+shl(r,16)+shl(h,7); n = n + 1
-    elseif p == "m" then
-      local r,h = parse_vr(q, vr); op = op+r+shl(h,5); n = n + 1
-    elseif p == "P" then
-      local imm = match(q, "^#(.*)$")
-      if imm then
-	op = op + parse_imm12(imm) + 0x02000000
-      else
-	op = op + parse_gpr(q)
-      end
-      n = n + 1
-    elseif p == "p" then
-      op = op + parse_shift(q, true); n = n + 1
-    elseif p == "L" then
-      op = parse_load(params, nparams, n, op)
-    elseif p == "l" then
-      op = op + parse_vload(q)
-    elseif p == "B" then
-      local mode, n, s = parse_label(q, false)
-      waction("REL_"..mode, n, s, 1)
-    elseif p == "C" then -- blx gpr vs. blx label.
-      if match(q, "^([%w_]+):(r1?[0-9])$") or match(q, "^r(1?[0-9])$") then
-	op = op + parse_gpr(q)
-      else
-	if op < 0xe0000000 then werror("unconditional instruction") end
-	local mode, n, s = parse_label(q, false)
-	waction("REL_"..mode, n, s, 1)
-	op = 0xfa000000
-      end
-    elseif p == "F" then
-      vr = "s"
-    elseif p == "G" then
-      vr = "d"
-    elseif p == "o" then
-      local r, wb = match(q, "^([^!]*)(!?)$")
-      op = op + shl(parse_gpr(r), 16) + (wb == "!" and 0x00200000 or 0)
-      n = n + 1
-    elseif p == "R" then
-      op = op + parse_reglist(q); n = n + 1
-    elseif p == "r" then
-      op = op + parse_vrlist(q); n = n + 1
-    elseif p == "W" then
-      op = op + parse_imm16(q); n = n + 1
-    elseif p == "v" then
-      op = op + parse_imm(q, 5, 7, 0, false); n = n + 1
-    elseif p == "w" then
-      local imm = match(q, "^#(.*)$")
-      if imm then
-	op = op + parse_imm(q, 5, 7, 0, false); n = n + 1
-      else
-	op = op + shl(parse_gpr(q), 8) + 16
-      end
-    elseif p == "X" then
-      op = op + parse_imm(q, 5, 16, 0, false); n = n + 1
-    elseif p == "Y" then
-      local imm = tonumber(match(q, "^#(.*)$")); n = n + 1
-      if not imm or shr(imm, 8) ~= 0 then
-	werror("bad immediate operand")
-      end
-      op = op + shl(band(imm, 0xf0), 12) + band(imm, 0x0f)
-    elseif p == "K" then
-      local imm = tonumber(match(q, "^#(.*)$")); n = n + 1
-      if not imm or shr(imm, 16) ~= 0 then
-	werror("bad immediate operand")
-      end
-      op = op + shl(band(imm, 0xfff0), 4) + band(imm, 0x000f)
-    elseif p == "T" then
-      op = op + parse_imm(q, 24, 0, 0, false); n = n + 1
-    elseif p == "s" then
-      -- Ignored.
-    else
-      assert(false)
-    end
-  end
-  wputpos(pos, op)
-end
-
-map_op[".template__"] = function(params, template, nparams)
-  if not params then return template:gsub("%x%x%x%x%x%x%x%x", "") end
-
-  -- Limit number of section buffer positions used by a single dasm_put().
-  -- A single opcode needs a maximum of 3 positions.
-  if secpos+3 > maxsecpos then wflush() end
-  local pos = wpos()
-  local lpos, apos, spos = #actlist, #actargs, secpos
-
-  local ok, err
-  for t in gmatch(template, "[^|]+") do
-    ok, err = pcall(parse_template, params, t, nparams, pos)
-    if ok then return end
-    secpos = spos
-    actlist[lpos+1] = nil
-    actlist[lpos+2] = nil
-    actlist[lpos+3] = nil
-    actargs[apos+1] = nil
-    actargs[apos+2] = nil
-    actargs[apos+3] = nil
-  end
-  error(err, 0)
-end
-
-------------------------------------------------------------------------------
-
--- 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 = function(t, k)
-    local v = map_coreop[k]
-    if v then return v end
-    local k1, cc, k2 = match(k, "^(.-)(..)([._].*)$")
-    local cv = map_cond[cc]
-    if cv then
-      local v = rawget(t, k1..k2)
-      if type(v) == "string" then
-	local scv = format("%x", cv)
-	return gsub(scv..sub(v, 2), "|e", "|"..scv)
-      end
-    end
-  end })
-  setmetatable(map_def, { __index = map_archdef })
-  return map_op, map_def
-end
-
-return _M
-
-------------------------------------------------------------------------------
-