Mercurial > repos > tabletprog
annotate modules/il.tp @ 352:f74ce841fd1e
Produce something resembling correct il from low level dialect
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Mon, 13 Apr 2015 22:42:27 -0700 |
| parents | a3b06d53bcb9 |
| children | a6cdcc1b1c02 |
| rev | line source |
|---|---|
| 185 | 1 { |
| 2 //commutative ops | |
| 3 _add <- 0 | |
| 4 _and <- 1 | |
| 5 _or <- 2 | |
| 6 _xor <- 3 | |
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7 _muls <- 4 |
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8 _mulu <- 5 |
| 185 | 9 //non-commutative ops |
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10 _divs <- 6 |
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11 _divu <- 7 |
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12 _sub <- 8 |
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13 _cmp <- 9 |
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14 _not <- 10 |
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15 _sl <- 11 |
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16 _asr <- 12 |
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17 _lsr <- 13 |
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18 _rol <- 14 |
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19 _ror <- 15 |
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20 _mov <- 16 |
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21 _call <- 17 |
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22 _ret <- 18 |
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23 _skipif <- 19 |
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24 _skipifelse <- 20 |
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25 _save <- 21 |
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26 _bool <- 22 |
| 185 | 27 |
| 28 _names <- #[ | |
| 29 "add" | |
| 30 "and" | |
| 31 "or" | |
| 32 "xor" | |
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33 "muls" |
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34 "mulu" |
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35 "divs" |
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36 "divu" |
| 185 | 37 "sub" |
| 38 "cmp" | |
| 39 "not" | |
| 40 "sl" | |
| 41 "asr" | |
| 42 "lsr" | |
| 43 "rol" | |
| 44 "ror" | |
| 45 "mov" | |
| 46 "call" | |
| 47 "ret" | |
| 48 "skipIf" | |
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49 "skipIf:else" |
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50 "save" |
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51 "bool" |
| 185 | 52 ] |
| 53 | |
| 54 op3:a:b:out:size <- :_opcode :_ina :_inb :_out :_size { | |
| 55 #{ | |
| 56 opcode <- { _opcode } | |
| 57 ina <- { _ina } | |
| 58 inb <- { _inb } | |
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59 commutative? <- { _opcode < _divs } |
| 185 | 60 out <- { _out } |
| 61 size <- { _size } | |
| 62 numops <- { 3 } | |
| 63 name <- { _names get: _opcode } | |
| 64 string <- { name . " " . (string: _ina) . " " . (string: _inb) . " " . (string: _out) . " " . (string: _size) } | |
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65 recordUsage:at <- :tracker :address { |
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66 if: (not: (_ina isInteger?)) { |
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67 _ina recordUsage: tracker at: 0 | address withSize: _size |
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68 } |
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69 _inb recordUsage: tracker at: 0 | address withSize: _size |
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70 _out recordUsage: tracker at: 1 | address withSize: _size |
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71 } |
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72 assignRegs:at:withSource:andUsage <- :assignments :at :regSrc :usage { |
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73 newa <- if: (not: (_ina isInteger?)) { |
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74 _ina assign: assignments withSource: regSrc |
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75 } else: { _ina } |
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76 newb <- _inb assign: assignments withSource: regSrc |
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77 newout <- _out assign: assignments withSource: regSrc |
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78 op3: _opcode a: newa b: newb out: newout size: _size |
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79 } |
| 185 | 80 } |
| 81 } | |
| 82 op2:in:out:size <- :_opcode :_in :_out :_size { | |
| 83 #{ | |
| 84 opcode <- { _opcode } | |
| 85 in <- { _in } | |
| 86 out <- { _out } | |
| 87 size <- { _size } | |
| 88 numops <- { 2 } | |
| 89 name <- { _names get: _opcode } | |
| 90 string <- { name . " " . (string: _in) . " " . (string: _out) . " " . (string: _size) } | |
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91 recordUsage:at <- :tracker :address { |
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92 if: (not: (_in isInteger?)) { |
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93 _in recordUsage: tracker at: 0 | address withSize: _size |
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94 } |
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95 _out recordUsage: tracker at: 1 | address withSize: _size |
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96 } |
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97 assignRegs:at:withSource:andUsage <- :assignments :at :regSrc :usage { |
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98 newin <- if: (not: (_in isInteger?)) { |
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99 _in assign: assignments withSource: regSrc |
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100 } else: { _in } |
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101 newout <- _out assign: assignments withSource: regSrc |
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102 op2: _opcode in: newin out: newout size: _size |
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103 } |
| 185 | 104 } |
| 105 } | |
| 106 op1:arg:size <- :_opcode :_arg :_size { | |
| 107 #{ | |
| 108 opcode <- { _opcode } | |
| 109 arg <- { _arg } | |
| 110 size <- { _size } | |
| 111 numops <- { 1 } | |
| 112 name <- { _names get: _opcode } | |
| 113 string <- { name . " " . (string: _arg) . " " . (string: _size) } | |
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114 recordUsage:at <- :tracker :address { |
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115 if: (not: (_arg isInteger?)) { |
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116 _arg recordUsage: tracker at: address withSize: _size |
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117 } |
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118 } |
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119 assignRegs:at:withSource:andUsage <- :assignments :at :regSrc :usage { |
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120 newarg <- if: (not: (_arg isInteger?)) { |
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121 _arg assign: assignments withSource: regSrc |
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122 } else: { _arg } |
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123 op1: _opcode arg: newarg size: _size |
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124 } |
| 185 | 125 } |
| 126 } | |
| 127 | |
| 128 _sizenames <- #["b" "w" "l" "q"] | |
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129 _size <- :_bytes { |
| 185 | 130 #{ |
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131 bytes <- { _bytes } |
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132 string <- { |
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133 idx <- if: _bytes = 8 { 3 } else: { _bytes / 2} |
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134 _sizenames get: idx |
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135 } |
| 185 | 136 = <- :other { |
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137 _bytes = (other bytes) |
| 185 | 138 } |
| 139 <= <- :other { | |
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140 _bytes <= (other bytes) |
| 185 | 141 } |
| 142 >= <- :other { | |
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143 _bytes >= (other bytes) |
| 185 | 144 } |
| 145 > <- :other { | |
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146 _bytes > (other bytes) |
| 185 | 147 } |
| 148 < <- :other { | |
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149 _bytes < (other bytes) |
| 185 | 150 } |
| 151 } | |
| 152 } | |
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153 byte <- _size: 1 |
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154 word <- _size: 2 |
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155 long <- _size: 4 |
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156 quad <- _size: 8 |
| 185 | 157 |
| 158 _retr <- #{ | |
| 159 isInteger? <- { false } | |
| 160 register? <- { true } | |
| 161 argument? <- { false } | |
| 162 return? <- { true } | |
| 163 string <- { "retr" } | |
| 164 = <- :other { | |
| 165 (not: (other isInteger?)) && (other register?) && (other return?) | |
| 166 } | |
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167 != <- :other { |
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168 not: self = other |
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169 } |
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170 recordUsage:at:withSize <- :tracker :address :size { |
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171 //TODO: Figure out what tracking is necessary here |
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172 } |
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173 assign:withSource <- :assignments :regSrc { |
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174 regSrc allocRet |
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175 } |
| 185 | 176 } |
| 177 | |
| 178 _condnames <- #[ | |
| 179 "eq" | |
| 180 "neq" | |
| 181 "ge" | |
| 182 "le" | |
| 183 "gr" | |
| 184 "ls" | |
| 185 "uge" | |
| 186 "ule" | |
| 187 "ugr" | |
| 188 "uls" | |
| 189 ] | |
| 190 condition <- :num { | |
| 191 #{ | |
| 192 cc <- { num } | |
| 193 string <- { _condnames get: num } | |
| 194 = <- :other { num = (other cc) } | |
| 195 } | |
| 196 } | |
| 197 _eq <- condition: 0 | |
| 198 _neq <- condition: 1 | |
| 199 _ge <- condition: 2 | |
| 200 _le <- condition: 3 | |
| 201 _gr <- condition: 4 | |
| 202 _ls <- condition: 5 | |
| 203 _uge <- condition: 6 | |
| 204 _ule <- condition: 7 | |
| 205 _ugr <- condition: 8 | |
| 206 _uls <- condition: 9 | |
| 207 | |
| 208 #{ | |
| 209 b <- { byte } | |
| 210 w <- { word } | |
| 211 l <- { long } | |
| 212 q <- { quad } | |
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213 |
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214 sizeFromBytes <- :bytes { |
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215 if: bytes < 4 { |
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216 if: bytes = 1 { b } else: { w } |
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217 } else: { |
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218 if: bytes = 4 { l } else: { q } |
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219 } |
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220 } |
| 185 | 221 |
| 222 eq <- { _eq } | |
| 223 neq <- { _neq } | |
| 224 | |
| 225 //signed conditions | |
| 226 ge <- { _ge } | |
| 227 le <- { _le } | |
| 228 gr <- { _gr } | |
| 229 ls <- { _ls } | |
| 230 | |
| 231 //unsigned conditions | |
| 232 uge <- { _uge } | |
| 233 ule <- { _ule } | |
| 234 ugr <- { _ugr } | |
| 235 uls <- { _uls } | |
| 236 | |
| 237 | |
| 238 reg <- :num { | |
| 239 #{ | |
| 240 isInteger? <- { false } | |
| 241 register? <- { true } | |
| 242 argument? <- { false } | |
| 243 return? <- { false } | |
| 244 regnum <- { num } | |
| 245 string <- { "r" . (string: num) } | |
| 246 = <- :other { | |
| 247 (not: (other isInteger?)) && (other register?) && (not: (other argument?)) && (not: (other return?)) && num = (other regnum) | |
| 248 } | |
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249 != <- :other { |
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250 not: self = other |
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251 } |
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252 recordUsage:at:withSize <- :tracker :address :size { |
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253 tracker reg: self usedAt: address withSize: size |
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254 } |
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255 assign:withSource <- :assignments :regSrc { |
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256 assignments get: self |
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257 } |
| 185 | 258 } |
| 259 } | |
| 260 arg <- :num { | |
| 261 #{ | |
| 262 isInteger? <- { false } | |
| 263 register? <- { true } | |
| 264 argument? <- { true } | |
| 265 return? <- { false } | |
| 266 argnum <- { num } | |
| 267 string <- { "a" . (string: num) } | |
| 268 = <- :other { | |
| 269 (not: (other isInteger?)) && (other register?) && (other argument?) && num = (other regnum) | |
| 270 } | |
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271 != <- :other { |
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272 not: self = other |
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273 } |
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274 recordUsage:at:withSize <- :tracker :address :size { |
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275 tracker arg: self usedAt: address withSize: size |
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276 } |
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277 assign:withSource <- :assignments :regSrc { |
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278 regSrc allocArg: num |
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279 } |
| 185 | 280 } |
| 281 } | |
| 282 retr <- { _retr } | |
| 283 | |
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284 base:offset <- :_base :_offset { |
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285 #{ |
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286 base <- { _base } |
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287 offset <- { _offset } |
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288 string <- { |
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289 start <- if: _offset = 0 { "" } else: { (string: _offset) } |
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290 start . "[" . (string: _base) . "]" |
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291 } |
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292 recordUsage:at:withSize <- :tracker :address :size { |
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293 _base recordUsage: tracker at: address withSize: size |
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294 } |
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295 } |
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296 } |
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297 |
| 185 | 298 add <- :ina inb out size { |
| 299 op3: _add a: ina b: inb out: out size: size | |
| 300 } | |
| 301 | |
| 302 sub <- :ina inb out size { | |
| 303 op3: _sub a: ina b: inb out: out size: size | |
| 304 } | |
| 305 | |
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306 cmp <- :ina inb size { |
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307 op2: _cmp in: ina out: inb size: size |
| 185 | 308 } |
| 309 | |
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310 band <- :ina inb out size { |
| 185 | 311 op3: _and a: ina b: inb out: out size: size |
| 312 } | |
| 313 | |
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314 bor <- :ina inb out size { |
| 185 | 315 op3: _or a: ina b: inb out: out size: size |
| 316 } | |
| 317 | |
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318 bxor <- :ina inb out size { |
| 185 | 319 op3: _xor a: ina b: inb out: out size: size |
| 320 } | |
| 321 | |
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322 muls <- :ina inb out size { |
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323 op3: _muls a: ina b: inb out: out size: size |
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324 } |
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325 |
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326 mulu <- :ina inb out size { |
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327 op3: _mulu a: ina b: inb out: out size: size |
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328 } |
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329 |
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330 divs <- :ina inb out size { |
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331 op3: _divs a: ina b: inb out: out size: size |
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332 } |
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333 |
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334 divu <- :ina inb out size { |
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335 op3: _divu a: ina b: inb out: out size: size |
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336 } |
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337 |
| 185 | 338 bnot <- :in out size { |
| 339 op2: _not in: in out: out size: size | |
| 340 } | |
| 341 | |
| 342 sl <- :shift in out size { | |
| 343 op3: _sl a: shift b: in out: out size: size | |
| 344 } | |
| 345 | |
| 346 asr <- :shift in out size { | |
| 347 op3: _asr a: shift b: in out: out size: size | |
| 348 } | |
| 349 | |
| 350 lsr <- :shift in out size { | |
| 351 op3: _lsr a: shift b: in out: out size: size | |
| 352 } | |
| 353 | |
| 354 rol <- :rot in out size { | |
| 355 op3: _rol a: rot b: in out: out size: size | |
| 356 } | |
| 357 | |
| 358 ror <- :rot in out size { | |
| 359 op3: _ror a: rot b: in out: out size: size | |
| 360 } | |
| 361 | |
| 362 mov <- :in out size { | |
| 363 op2: _mov in: in out: out size: size | |
| 364 } | |
| 365 | |
| 366 call:withArgs <- :_target :_args { | |
| 367 #{ | |
| 368 opcode <- { _call } | |
| 369 target <- { _target } | |
| 370 args <- { _args } | |
| 371 numops <- { 0 } | |
| 372 name <- { _names get: _call } | |
| 373 string <- { | |
| 374 argstr <- _args map: :el { | |
| 375 string: el | |
| 376 } | |
| 377 name . " " . (string: _target) . " " . (argstr join: " ") | |
| 378 } | |
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379 recordUsage:at <- :tracker :address { |
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380 if: (not: (_target isString?)) { |
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381 //TODO: use size l for 32-bit targets or an abstract pointer size |
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382 _target recordUsage: tracker at: address withSize: q |
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383 } |
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384 foreach: _args :_ arg { |
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348
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385 if: (not: (arg isInteger?)) { |
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386 //TODO: have some mechanism for properly expressing sizes of arguments |
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387 arg recordUsage: tracker at: address withSize: q |
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388 } |
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389 } |
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390 } |
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391 assignRegs:at:withSource:andUsage <- :assignments :address :regSrc :usage { |
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392 newtarget <- if: (_target isString?) { _target } else: { |
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393 _target assign: assignments withSource: regSrc |
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394 } |
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395 newargs <- _args map: :arg { |
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396 if: (arg isInteger?) { arg } else: { |
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397 arg assign: assignments withSource: regSrc |
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398 } |
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399 } |
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400 newcall <- call: newtarget withArgs: newargs |
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401 regSrc returnAll |
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402 raddress <- address reverse |
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403 foreach: (usage liveArgsAt: raddress) :_ arg { |
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404 regSrc allocArg: (arg num) |
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405 } |
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406 foreach: (usage liveRegsAt: raddress) :_ reg { |
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407 regSrc allocSpecific: (assignments get: reg) |
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408 } |
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409 tosave <- regSrc needSaveForCall |
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410 if: (tosave length) > 0 { |
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411 save: tosave #[newcall] |
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412 } else: { |
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413 newcall |
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414 } |
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415 } |
| 185 | 416 } |
| 417 } | |
| 418 | |
| 419 return <- :val size { | |
| 420 op1: _ret arg: val size: size | |
| 421 } | |
| 422 skipIf <- :_cond _toskip { | |
| 423 #{ | |
| 424 opcode <- { _skipif } | |
| 425 toskip <- { _toskip } | |
| 426 cond <- { _cond } | |
| 427 numops <- { 0 } | |
| 428 name <- { _names get: _skipif } | |
| 429 string <- { | |
| 430 block <- (_toskip map: :el { string: el }) join: "\n\t" | |
| 431 if: (_toskip length) > 0 { | |
| 432 block <- "\n\t" . block . "\n" | |
| 433 } | |
| 434 name . " " . (string: _cond) . " {" . block . "}" | |
| 435 } | |
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436 recordUsage:at <- :tracker :address { |
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437 foreach: _toskip :idx inst { |
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438 inst recordUsage: tracker at: idx | address |
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439 } |
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440 } |
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441 assignRegs:at:withSource:andUsage <- :assignments :address :regSrc :usage { |
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442 newskip <- #[] |
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443 foreach: _toskip :idx inst { |
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444 newskip append: (inst assignRegs: assignments at: idx | address withSource: regSrc andUsage: usage) |
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445 } |
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446 skipIf: _cond newskip |
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447 } |
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448 to2OpInst <- { |
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449 skipIf: _cond (to2Op: _toskip) |
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450 } |
| 185 | 451 } |
| 452 } | |
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453 skipIf:else <- :_cond _toskip :_else { |
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454 #{ |
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455 opcode <- { _skipif } |
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456 toskip <- { _toskip } |
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457 else <- { _else } |
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458 cond <- { _cond } |
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459 numops <- { 0 } |
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460 name <- { _names get: _skipifelse } |
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461 string <- { |
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462 block <- (_toskip map: :el { string: el }) join: "\n\t" |
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463 if: (_toskip length) > 0 { |
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464 block <- "\n\t" . block . "\n" |
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465 } |
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466 elseblock <- (_else map: :el { string: el }) join: "\n\t" |
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467 if: (_else length) > 0 { |
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468 elseblock <- "\n\t" . elseblock . "\n" |
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469 } |
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470 name . " " . (string: _cond) . " {" . block . "} {" . elseblock . "}" |
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471 } |
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472 recordUsage:at <- :tracker :address { |
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473 foreach: _toskip :idx inst { |
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474 inst recordUsage: tracker at: idx | address |
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475 } |
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476 foreach: _else :idx inst { |
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477 inst recordUsage: tracker at: idx | address |
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478 } |
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479 } |
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480 assignRegs:at:withSource:andUsage <- :assignments :address :regSrc :usage { |
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481 newskip <- #[] |
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482 foreach: _toskip :idx inst { |
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483 newskip append: (inst assignRegs: assignments at: idx | address withSource: regSrc andUsage: usage) |
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484 } |
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485 newelse <- #[] |
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486 foreach: _else :idx inst { |
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487 newelse append: (inst assignRegs: assignments at: idx | address withSource: regSrc andUsage: usage) |
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488 } |
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489 skipIf: _cond newskip else: newelse |
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490 } |
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491 to2OpInst <- { |
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492 skipIf: _cond (to2Op: _toskip) (to2Op: _else) |
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493 } |
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494 } |
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495 } |
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496 save <- :regs :_scope{ |
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497 #{ |
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498 opcode <- { _save } |
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499 numops <- { 0 } |
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500 name <- { _names get: _save } |
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501 tosave <- { regs } |
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502 scope <- { _scope } |
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503 string <- { |
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504 block <- _scope join: "\n\t" |
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505 if: (_scope length) > 0 { |
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506 block <- "\n\t" . block . "\n" |
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507 } |
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508 name . " " . (regs join: " ") . " {" . block . "}" |
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509 } |
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510 to2OpInst <- { |
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511 save: regs (to2Op: _scope) |
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512 } |
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513 } |
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514 } |
| 185 | 515 |
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516 //produces a non-zero value or zero based on condition code flags |
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517 bool <- :_cond _out { |
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518 #{ |
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519 opcode <- { _bool } |
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520 cond <- { _cond } |
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521 out <- { _out } |
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522 name <- { _names get: _bool } |
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523 numops <- { 0 } |
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524 string <- { |
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525 name . " " . cond . " " . out |
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526 } |
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527 } |
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528 } |
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529 |
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530 allocRegs:withSource <- :instarr :regSrc { |
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531 _regMap <- dict linear |
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532 _argMap <- dict linear |
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533 |
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534 _usageTracker <- :_firstUsage { |
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535 #{ |
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536 firstUsage <- _firstUsage |
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537 lastUsage <- _firstUsage |
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538 useCount <- 0 |
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539 maxSize <- byte |
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540 usedAt:withSize <- :address :size { |
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541 useCount <- useCount + 1 |
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542 lastUsage <- address |
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543 if: size > maxSize { |
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544 maxSize <- size |
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545 } |
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546 } |
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547 string <- { |
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548 "Uses: " . useCount . ", FirstUse: " . (firstUsage join: ":") . ", Last Use: " . (lastUsage join: ":") . ", Max Size: " . maxSize |
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549 } |
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550 } |
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551 } |
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552 |
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553 _maxUses <- 0 |
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554 liveFrom:to <- :regs :from :to { |
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555 live <- #[] |
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556 foreach: regs :reg usage { |
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557 if: (addrGreatEq: (usage lastUsage) from) && (addrLessEq: (usage firstUsage) to) { |
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558 live append: reg |
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559 } |
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560 } |
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561 live |
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562 } |
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563 regUsage <- #{ |
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564 reg:usedAt:withSize <- :reg :address :size { |
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565 raddress <- address reverse |
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566 usage <- _regMap get: reg elseSet: { |
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567 _usageTracker: raddress |
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568 } |
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569 usage usedAt: raddress withSize: size |
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570 if: (usage useCount) > _maxUses { |
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571 _maxUses <- usage useCount |
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572 } |
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573 } |
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574 arg:usedAt:withSize <- :arg :address :size { |
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575 raddress <- address reverse |
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576 usage <- _argMap get: arg elseSet: { |
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577 _usageTracker: [0 0] |
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578 } |
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579 usage usedAt: raddress withSize: size |
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580 } |
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581 |
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582 liveRegsAt <- :address { |
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583 liveFrom: _regMap address to: address |
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584 } |
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585 liveArgsAt <- :address { |
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586 liveFrom: _argMap address to: address |
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587 } |
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588 |
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589 print <- { |
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590 foreach: _regMap :reg usage { |
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591 print: (string: reg) . " | " . (string: usage) . "\n" |
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592 } |
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593 foreach: _argMap :arg usage { |
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594 print: (string: arg) . " | " . (string: usage) . "\n" |
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595 } |
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596 } |
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597 } |
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598 foreach: instarr :idx inst { |
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599 inst recordUsage: regUsage at: [idx] |
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600 } |
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601 print: regUsage |
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602 |
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603 addrLessEq <- :left :right { |
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604 lesseq <- true |
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605 while: { lesseq && (not: (left empty?)) && (not: (right empty?)) } do: { |
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606 if: (left value) > (right value) { |
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607 lesseq <- false |
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608 } else: { |
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609 if: (left value) < (right value) { |
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610 left <- [] |
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611 } else: { |
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612 left <- left tail |
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613 right <- right tail |
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614 } |
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615 } |
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616 } |
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617 lesseq |
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618 } |
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619 |
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620 addrGreatEq <- :left :right { |
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621 greateq <- true |
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622 while: { greateq && (not: (left empty?)) && (not: (right empty?)) } do: { |
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623 if: (left value) < (right value) { |
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624 greateq <- false |
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625 } else: { |
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626 if: (left value) > (right value) { |
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627 left <- [] |
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628 } else: { |
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629 left <- left tail |
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630 right <- right tail |
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631 } |
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632 } |
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633 } |
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634 greateq |
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635 } |
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636 |
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637 _assignments <- dict linear |
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638 curuses <- _maxUses |
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639 while: { curuses > 0 && (_assignments length) < (_regMap length) } do: { |
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640 foreach: _regMap :reg usage { |
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641 if: (usage useCount) = curuses { |
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642 liveArgs <- liveFrom: _argMap (usage firstUsage) to: (usage lastUsage) |
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643 foreach: liveArgs :_ arg { |
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644 regSrc allocArg: (arg num) |
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645 } |
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646 |
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647 liveRegs <- liveFrom: _regMap (usage firstUsage) to: (usage lastUsage) |
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648 print: (string: reg) . " | Live: " . (liveRegs join: ", ") . ", Live Args: " . (liveArgs join: ", ") . "\n" |
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649 foreach: liveRegs :_ reg { |
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650 if: (_assignments contains?: reg) { |
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651 regSrc allocSpecific: (_assignments get: reg) |
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652 } |
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653 } |
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654 _assignments set: reg (regSrc alloc: (usage maxSize)) |
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655 |
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656 regSrc returnAll |
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657 } |
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658 } |
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659 curuses <- curuses - 1 |
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660 } |
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661 print: "\n\nAssignments:\n\n" |
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662 foreach: _assignments :reg assign { |
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663 print: (string: reg) . " = " . assign . "\n" |
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664 } |
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665 |
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666 withassign <- #[] |
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667 foreach: instarr :idx inst { |
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668 withassign append: (inst assignRegs: _assignments at: [idx] withSource: regSrc andUsage: regUsage) |
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669 } |
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670 psave <- regSrc needSaveProlog |
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671 if: (psave length) > 0 { |
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672 withassign <- #[save: psave withassign] |
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673 } |
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674 withassign |
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675 } |
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676 |
| 185 | 677 //used to convert IL to a format suitable for a 2-operand architecture |
| 678 //should be run after register allocation (I think....) | |
| 679 to2Op <- :instarr { | |
| 680 instarr fold: #[] with: :newarr inst { | |
| 681 if: (inst numops) = 3 { | |
| 682 if: (inst inb) = (inst out) { | |
| 683 newarr append: (op2: (inst opcode) in: (inst ina) out: (inst out) size: (inst size)) | |
| 684 } else: { | |
| 685 if: (inst commutative?) && (inst ina) = (inst out) { | |
| 686 newarr append: (op2: (inst opcode) in: (inst inb) out: (inst out) size: (inst size)) | |
| 687 } else: { | |
| 688 newarr append: (mov: (inst inb) (inst out) (inst size)) | |
| 689 newarr append: (op2: (inst opcode) in: (inst ina) out: (inst out) size: (inst size)) | |
| 690 } | |
| 691 } | |
| 692 } else: { | |
| 693 if: (inst numops) = 2 && (inst opcode) != _mov { | |
| 694 if: (inst in) != (inst out) { | |
| 695 newarr append: (mov: (inst in) (inst out) (inst size)) | |
| 696 } | |
| 697 newarr append: (op1: (inst opcode) val: (inst out) size: (inst size)) | |
| 698 } else: { | |
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699 if: (inst opcode) = _skipif || (inst opcode) = _save { |
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700 newarr append: (inst to2OpInst) |
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701 } else: { |
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702 newarr append: inst |
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703 } |
| 185 | 704 } |
| 705 } | |
| 706 } | |
| 707 } | |
| 708 | |
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709 toBackend <- :program :backend { |
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710 prepped <- program map: :fun { |
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711 backend adjustIL: fun |
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712 } |
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713 labels <- prepped map: :_ { |
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714 backend label |
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715 } |
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716 outprog <- #[] |
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717 foreach: prepped :name instarr { |
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718 outprog append: (labels get: name else: { false }) |
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719 foreach: instarr :_ inst { |
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720 print: "Translating: " . inst . "\n" |
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721 backend convertIL: inst to: outprog withLabels: labels |
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722 } |
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723 } |
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724 outprog |
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725 } |
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726 |
| 185 | 727 main <- { |
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728 prog <- dict linear |
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729 |
| 185 | 730 fib <- #[ |
| 731 sub: 2 (arg: 0) (reg: 0) q | |
| 732 skipIf: ge #[ | |
| 733 return: 1 q | |
| 734 ] | |
| 735 call: "fib" withArgs: #[reg: 0] | |
| 736 mov: retr (reg: 1) q | |
| 737 add: 1 (reg: 0) (reg: 2) q | |
| 738 call: "fib" withArgs: #[reg: 2] | |
| 739 add: retr (reg: 1) (reg: 3) q | |
| 740 return: (reg: 3) q | |
| 741 ] | |
| 742 print: "Original:\n\n" | |
| 743 foreach: fib :idx inst { | |
| 744 print: (string: inst) . "\n" | |
| 745 } | |
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746 prog set: "fib" fib |
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747 |
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748 mprog <- toBackend: prog x86 |
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749 foreach: mprog :_ inst { |
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750 print: (string: inst) . "\n" |
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751 } |
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752 ba <- bytearray executableFromBytes: mprog |
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753 res <- if: (ba length) = 0 { |
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754 print: "Failed to translate code\n" |
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755 -1 |
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756 } else: { |
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757 ba runWithArg: 30u64 |
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758 } |
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759 print: (string: res) . "\n" |
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760 0 |
| 185 | 761 } |
| 762 } | |
| 763 } |