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Allow 32 bit regs for indexing even for DynASM x64.

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This commit is contained in:
Mike Pall 2009-12-15 04:45:34 +01:00
parent 31f0074c5e
commit 267d7152ab
1 changed files with 5 additions and 4 deletions
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9
dynasm/dasm_x86.lua
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@ -273,7 +273,7 @@ local function mkrmap(sz, cl, names)
map_reg_rev[cname] = cl
map_reg_num[cname] = -1
map_reg_opsize[cname] = sz
if sz == addrsize then
if sz == addrsize or sz == "d" then
map_reg_valid_base[cname] = true
map_reg_valid_index[cname] = true
end
@ -285,7 +285,7 @@ local function mkrmap(sz, cl, names)
map_reg_rev[iname] = name
map_reg_num[iname] = n-1
map_reg_opsize[iname] = sz
if sz == addrsize then
if sz == addrsize or sz == "d" then
map_reg_valid_base[iname] = true
map_reg_valid_index[iname] = true
end
@ -303,7 +303,7 @@ local function mkrmap(sz, cl, names)
map_reg_rev[iname] = name
map_reg_num[iname] = i
map_reg_opsize[iname] = sz
if sz == addrsize then
if sz == addrsize or sz == "d" then
map_reg_valid_base[iname] = true
map_reg_valid_index[iname] = true
end
@ -320,7 +320,8 @@ mkrmap("d", "Rd", {"eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi"})
mkrmap("w", "Rw", {"ax", "cx", "dx", "bx", "sp", "bp", "si", "di"})
mkrmap("b", "Rb", {"al", "cl", "dl", "bl", "ah", "ch", "dh", "bh"})
-- !x64: ah, ch, dh, bh not valid with REX, r4b-r15b require REX
map_reg_valid_index[map_archdef[x64 and "rsp" or "esp"]] = false
map_reg_valid_index[map_archdef.esp] = false
if x64 then map_reg_valid_index[map_archdef.rsp] = false end
map_archdef["Ra"] = "@"..addrsize
-- FP registers (internally tword sized, but use "f" as operand size).