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add BEQZ/BNEZ pseudo-instructions

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This commit is contained in:
Connor Olding 2016-01-05 01:01:52 -08:00
parent d217ff8147
commit 83a194f829
1 changed files with 15 additions and 31 deletions
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46
lips.lua
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@ -409,6 +409,8 @@ local instructions = {
-- pseudo-instructions
B = {4, 'r', '00o'}, -- BEQ R0, R0, offset
BAL = {1, 'r', '0Co', 17}, -- BGEZAL R0, offset
BEQZ = {4, 'sr', 's0o'}, -- BEQ RS, R0, offset
BNEZ = {5, 'sr', 's0o'}, -- BNE RS, R0, offset
CL = {0, 'd', '00d0C', 37}, -- OR RD, R0, R0
MOV = {0, 'ds', 's0d0C', 37}, -- OR RD, RS, R0
NEG = {0, 'dt', '0td0C', 34}, -- SUB RD, R0, RT
@ -426,7 +428,7 @@ local instructions = {
POP = {},
JPOP = {},
ABS = {}, -- BGEZ NOP SUB?
ABS = {}, -- BGEZ NOP SUBU?
MUL = {}, -- MULT MFLO
--DIV = {}, -- 3 arguments
REM = {}, -- 3 arguments
@ -437,37 +439,18 @@ local instructions = {
ROL = {}, -- SLL, SRL, OR
ROR = {}, -- SRL, SLL, OR
SEQ = {},
SEQI = {},
SEQIU = {},
SEQU = {},
SGE = {},
SGEI = {},
SGEIU = {},
SGEU = {},
SGT = {},
SGTI = {},
SGTIU = {},
SGTU = {},
SLE = {},
SLEI = {},
SLEIU = {},
SLEU = {},
SNE = {},
SNEI = {},
SNEIU = {},
SNEU = {},
SEQ = {}, SEQI = {}, SEQIU = {}, SEQU = {},
SGE = {}, SGEI = {}, SGEIU = {}, SGEU = {},
SGT = {}, SGTI = {}, SGTIU = {}, SGTU = {},
SLE = {}, SLEI = {}, SLEIU = {}, SLEU = {},
SNE = {}, SNEI = {}, SNEIU = {}, SNEU = {},
BEQI = {},
BNEI = {},
BGE = {},
BGEI = {},
BLE = {},
BLEI = {},
BLT = {},
BLTI = {},
BGT = {},
BGTI = {},
BEQI = {},
BNEI = {},
BGE = {}, BGEI = {},
BLE = {}, BLEI = {},
BLT = {}, BLTI = {},
BGT = {}, BGTI = {},
}
local all_instructions = {}
@ -1491,6 +1474,7 @@ function Dumper:add_directive(line, name, a, b)
end
function Dumper:desym(tok)
-- FIXME: errors can give wrong filename, also off by one
if type(tok[2]) == 'number' then
return tok[2]
elseif tok[1] == 'LABELSYM' then