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Cleanup DynASM action list flushes.

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Mike Pall 2009-12-16 22:31:15 +01:00
parent eb8ee661f2
commit 1e7951ea7b
2 changed files with 795 additions and 778 deletions
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13
dynasm/dasm_x86.lua
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@ -1473,8 +1473,8 @@ local function dopattern(pat, args, sz, op, needrex)
local rex = 0 local rex = 0
-- Limit number of section buffer positions used by a single dasm_put(). -- Limit number of section buffer positions used by a single dasm_put().
-- A single opcode needs a maximum of 2 positions. !x64 -- A single opcode needs a maximum of 5 positions.
if secpos+2 > maxsecpos then wflush() end if secpos+5 > maxsecpos then wflush() end
-- Process each character. -- Process each character.
for c in gmatch(pat.."|", ".") do for c in gmatch(pat.."|", ".") do
@ -1676,6 +1676,7 @@ end
if x64 then if x64 then
function map_op.mov64_2(params) function map_op.mov64_2(params)
if not params then return { "reg, imm", "reg, [disp]", "[disp], reg" } end if not params then return { "reg, imm", "reg, [disp]", "[disp], reg" } end
if secpos+2 > maxsecpos then wflush() end
local opcode, op64, sz, rex local opcode, op64, sz, rex
local op64 = match(params[1], "^%[%s*(.-)%s*%]$") local op64 = match(params[1], "^%[%s*(.-)%s*%]$")
if op64 then if op64 then
@ -1724,6 +1725,7 @@ local function op_data(params)
else else
wputszarg(sz, a.imm) wputszarg(sz, a.imm)
end end
if secpos+2 > maxsecpos then wflush() end
end end
end end
@ -1768,6 +1770,7 @@ end
-- Label pseudo-opcode (converted from trailing colon form). -- Label pseudo-opcode (converted from trailing colon form).
map_op[".label_2"] = function(params) map_op[".label_2"] = function(params)
if not params then return "[1-9] | ->global | =>pcexpr [, addr]" end if not params then return "[1-9] | ->global | =>pcexpr [, addr]" end
if secpos+2 > maxsecpos then wflush() end
local a = parseoperand(params[1]) local a = parseoperand(params[1])
local mode, imm = a.mode, a.imm local mode, imm = a.mode, a.imm
if type(imm) == "number" and (mode == "iJ" or (imm >= 1 and imm <= 9)) then if type(imm) == "number" and (mode == "iJ" or (imm >= 1 and imm <= 9)) then
@ -1783,9 +1786,9 @@ map_op[".label_2"] = function(params)
-- SETLABEL must immediately follow LABEL_LG/LABEL_PC. -- SETLABEL must immediately follow LABEL_LG/LABEL_PC.
local addr = params[2] local addr = params[2]
if addr then if addr then
local a = parseoperand(params[2]) local a = parseoperand(addr)
if a.mode == "iPJ" then if a.mode == "iPJ" then
waction("SETLABEL", a.imm) -- !x64 (secpos) waction("SETLABEL", a.imm)
else else
werror("bad label assignment") werror("bad label assignment")
end end
@ -1798,6 +1801,7 @@ map_op[".label_1"] = map_op[".label_2"]
-- Alignment pseudo-opcode. -- Alignment pseudo-opcode.
map_op[".align_1"] = function(params) map_op[".align_1"] = function(params)
if not params then return "numpow2" end if not params then return "numpow2" end
if secpos+1 > maxsecpos then wflush() end
local align = tonumber(params[1]) or map_opsizenum[map_opsize[params[1]]] local align = tonumber(params[1]) or map_opsizenum[map_opsize[params[1]]]
if align then if align then
local x = align local x = align
@ -1817,6 +1821,7 @@ end
-- Spacing pseudo-opcode. -- Spacing pseudo-opcode.
map_op[".space_2"] = function(params) map_op[".space_2"] = function(params)
if not params then return "num [, filler]" end if not params then return "num [, filler]" end
if secpos+1 > maxsecpos then wflush() end
waction("SPACE", params[1]) waction("SPACE", params[1])
local fill = params[2] local fill = params[2]
if fill then if fill then

1560
src/buildvm_x86.h
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