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PPC: Add better diagnostics to DynASM for reg/imm mismatches.

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This commit is contained in:
Mike Pall 2010-09-14 00:00:31 +02:00
parent 3d17f71968
commit a36287b218
1 changed files with 4 additions and 1 deletions
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5
dynasm/dasm_ppc.lua
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@ -849,7 +849,7 @@ end
------------------------------------------------------------------------------
local function parse_gpr(expr)
local tname, ovreg = match(expr, "^([%w_]+):(r[0-9][0-9]?)$")
local tname, ovreg = match(expr, "^([%w_]+):(r[1-3]?[0-9])$")
local tp = map_type[tname or expr]
if tp then
local reg = ovreg or tp.reg
@ -907,6 +907,9 @@ local function parse_imm(imm, bits, shift, scale, signed)
end
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("IMM", (signed and 32768 or 0)+scale*1024+bits*32+shift, imm)
return 0