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add remaining fp instructions

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This commit is contained in:
Connor Olding 2015-11-20 20:26:30 -08:00
parent bfcd75f5b6
commit 70e4d28442
1 changed files with 64 additions and 2 deletions
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66
Lua/inject/assembler.lua
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@ -5,7 +5,7 @@
-- lexer and parser are somewhat based on http://chunkbake.luaforge.net/
local assembler = {
_VERSION = 'assembler v3',
_VERSION = 'assembler v4',
_DESCRIPTION = 'Assembles MIPS assembly files for the R4300i CPU.',
_URL = 'https://github.com/notwa/mm/blob/master/Lua/inject/assembler.lua',
_LICENSE = [[
@ -229,9 +229,13 @@ local argtypes = {
tsds= 'ft fs fd (s)', -- starting with a const of 16, ending with a const
tsdd= 'ft fs fd (d)', -- starting with a const of 17, ending with a const
cfs = 'ft fs (s)', -- starting with a const of 16, ending with a const
cfd = 'ft fs (d)', -- starting with a const of 17, ending with a const
afs = 'fs fd (s)', -- similar; 5 unset bits after const; ending const
afd = 'fs fd (d)', -- similar; 5 unset bits after const; ending const
afl = 'fs fd (l)', -- similar; 5 unset bits after const; ending const
afw = 'fs fd (w)', -- similar; 5 unset bits after const; ending const
}
local at = argtypes -- temporary shorthand
@ -412,6 +416,40 @@ local instruction_handlers = {
C_UN_D = {17, at.cfd, 49},
C_UN_S = {17, at.cfs, 49},
CVT_D_L = {17, at.afl, 33},
CVT_D_S = {17, at.afd, 33},
CVT_D_W = {17, at.afw, 33},
CVT_L_D = {17, at.afd, 37},
CVT_L_S = {17, at.afs, 37},
CVT_S_D = {17, at.afd, 32},
CVT_S_L = {17, at.afl, 32},
CVT_S_W = {17, at.afw, 32},
CVT_W_D = {17, at.afd, 36},
CVT_W_S = {17, at.afs, 36},
ABS_D = {17, at.afd, 5},
ABS_S = {17, at.afs, 5},
CEIL_L_D= {17, at.afd, 10},
CEIL_L_S= {17, at.afs, 10},
CEIL_W_D= {17, at.afd, 14},
CEIL_W_S= {17, at.afs, 14},
FLOOR_L_D={17, at.afd, 11},
FLOOR_L_S={17, at.afs, 11},
FLOOR_W_D={17, at.afd, 15},
FLOOR_W_S={17, at.afs, 15},
MOV_D = {17, at.afd, 6},
MOV_S = {17, at.afs, 6},
NEG_D = {17, at.afd, 7},
NEG_S = {17, at.afs, 7},
ROUND_L_D={17, at.afd, 8},
ROUND_L_S={17, at.afs, 8},
ROUND_W_D={17, at.afd, 12},
ROUND_W_S={17, at.afs, 12},
SQRT_D = {17, at.afd, 4},
SQRT_S = {17, at.afs, 4},
TRUNC_L_S={17, at.afs, 9},
TRUNC_W_D={17, at.afd, 13},
-- pseudo-instructions
NOP = { 0, at.code, 0},
}
@ -917,6 +955,30 @@ function Parser:instruction()
local ft = self:register(fpu_registers)
local const = h[3] or self:error('internal error: expected const')
self.dumper:add_instruction_5_5_5_5_6(h[1], 17, ft, fs, 0, const)
elseif h[2] == argtypes.afs then
local fd = self:register(fpu_registers)
self:optional_comma()
local fs = self:register(fpu_registers)
local const = h[3] or self:error('internal error: expected const')
self.dumper:add_instruction_5_5_5_5_6(h[1], 16, 0, fs, fd, const)
elseif h[2] == argtypes.afd then
local fd = self:register(fpu_registers)
self:optional_comma()
local fs = self:register(fpu_registers)
local const = h[3] or self:error('internal error: expected const')
self.dumper:add_instruction_5_5_5_5_6(h[1], 17, 0, fs, fd, const)
elseif h[2] == argtypes.afw then
local fd = self:register(fpu_registers)
self:optional_comma()
local fs = self:register(fpu_registers)
local const = h[3] or self:error('internal error: expected const')
self.dumper:add_instruction_5_5_5_5_6(h[1], 20, 0, fs, fd, const)
elseif h[2] == argtypes.afl then
local fd = self:register(fpu_registers)
self:optional_comma()
local fs = self:register(fpu_registers)
local const = h[3] or self:error('internal error: expected const')
self.dumper:add_instruction_5_5_5_5_6(h[1], 21, 0, fs, fd, const)
else
self:error('TODO')
end