5 // ; Peephole 1 removed pop %1 push %1 (not push pop)
13 // ; Peephole 2 removed pop %1 push %1 (not push pop)
18 // added by Jean Louis VERN for
24 ; Peephole 2.a removed redundant xch xch
32 ; Peephole 3.a changed mov to clr
42 ; Peephole 3.b changed mov to clr
48 // saving 1 byte, loosing 1 cycle but maybe allowing peephole 3.b to start
53 ; Peephole 3.c changed mov to clr
68 ; Peephole 100 removed redundant mov
76 ; Peephole 100.a removed redundant mov
86 ; Peephole 101 removed redundant mov
104 ; Peephole 102 removed redundant mov
126 ; Peephole 103 removed redundant mov
143 ; Peephole 104 optimized increment (acc not set to r%1, flags undefined)
152 ; Peephole 105 removed redundant mov
161 ; Peephole 106 removed redundant mov
170 ; Peephole 107 removed redundant ljmp
179 ; Peephole 108 removed ljmp by inverse jump logic
189 ; Peephole 109 removed ljmp by inverse jump logic
199 ; Peephole 110 removed ljmp by inverse jump logic
209 ; Peephole 111 removed ljmp by inverse jump logic
219 ; Peephole 112 removed ljmp by inverse jump logic
228 ; Peephole 132 changed ljmp to sjmp
242 ; Peephole 113 optimized misc sequence
247 } if labelRefCount %3 1
258 ; Peephole 114 optimized misc sequence
264 } if labelRefCount %3 2
273 ; Peephole 115 jump optimization
277 } if labelRefCount %3 1
287 ; Peephole 116 jump optimization
292 } if labelRefCount %3 2
303 ; Peephole 117 jump optimization
309 } if labelRefCount %3 3
321 ; Peephole 118 jump optimization
328 } if labelRefCount %3 4
337 ; Peephole 119 jump optimization
340 } if labelRefCount %3 1
350 ; Peephole 120 jump optimization
354 } if labelRefCount %3 2
365 ; Peephole 121 jump optimization
370 } if labelRefCount %3 3
382 ; Peephole 122 jump optimization
388 } if labelRefCount %3 4
397 ; Peephole 123 jump optimization
401 } if labelRefCount %3 1
411 ; Peephole 124 jump optimization
416 } if labelRefCount %3 2
427 ; Peephole 125 jump optimization
433 } if labelRefCount %3 3
445 ; Peephole 126 jump optimization
452 } if labelRefCount %3 4
465 ; Peephole 127 removed misc sequence
467 } if labelRefCount %3 0
474 ; Peephole 128 jump optimization
483 ; Peephole 129 jump optimization
490 ; Peephole 130 changed target address mode r%1 to ar%1
500 ; Peephole 131 optimized decrement (not caring for c)
512 ; Peephole 133 removed redundant moves
525 ; Peephole 134 removed redundant moves
536 ; Peephole 135 removed redundant mov
547 ; Peephole 136 removed redundant moves
553 // WTF? Doesn't look sensible to me...
563 // ; Peephole 137 optimized misc jump sequence
567 //} if labelRefCount %4 1
578 // ; Peephole 138 optimized misc jump sequence
583 //} if labelRefCount %4 1
590 ; Peephole 139 removed redundant mov
600 ; Peephole 140 removed redundant mov
609 ; Peephole 141 removed redundant mov
619 ; Peephole 142 removed redundant moves
628 ; Peephole 143 converted rlc to rl
636 ; Peephole 144 converted rrc to rc
644 ; Peephole 145 changed to add without carry
653 ; Peephole 146 changed to add without carry
661 ; Peephole 147 changed target address mode r%1 to ar%1
668 ; Peephole 148 changed target address mode r%1 to ar%1
675 ; Peephole 149 changed target address mode r%1 to ar%1
685 ; Peephole 150 removed misc moves via dpl before return
698 ; Peephole 151 removed misc moves via dph, dpl before return
710 ; Peephole 152 removed misc moves via dph, dpl before return
725 ; Peephole 153 removed misc moves via dph, dpl, b before return
738 ; Peephole 154 removed misc moves via dph, dpl, b before return
752 ; Peephole 155 removed misc moves via dph, dpl, b before return
769 ; Peephole 156 removed misc moves via dph, dpl, b, a before return
784 ; Peephole 157 removed misc moves via dph, dpl, b, a before return
797 ; Peephole 158 removed misc moves via dph, dpl, b, a before return
805 ; Peephole 159 avoided xrl during execution
814 ; Peephole 160 removed sjmp by inverse jump logic
823 ; Peephole 161 removed sjmp by inverse jump logic
832 ; Peephole 162 removed sjmp by inverse jump logic
841 ; Peephole 163 removed sjmp by inverse jump logic
850 ; Peephole 164 removed sjmp by inverse jump logic
860 ; Peephole 165 removed sjmp by inverse jump logic
870 ; Peephole 166 removed redundant mov
879 ; Peephole 167 removed redundant bit moves (c not set to %1)
886 ; Peephole 168 jump optimization
894 ; Peephole 169 jump optimization
905 ; Peephole 170 jump optimization
908 } if labelRefCount %3 1
918 ; Peephole 171 jump optimization
922 } if labelRefCount %3 2
933 ; Peephole 172 jump optimization
938 } if labelRefCount %3 3
950 ; Peephole 173 jump optimization
956 } if labelRefCount %3 4
965 ; Peephole 174 optimized decrement (acc not set to %2, flags undefined)
977 ; Peephole 175 optimized increment (acc not set to %2, flags undefined)
987 ; Peephole 176 optimized increment, removed redundant mov
992 // this one will screw assignes to volatile/sfr's
997 // ; Peephole 177 removed redundant mov
1006 ; Peephole 178 removed redundant mov
1011 // rules 179-182 provided by : Frieder <fe@lake.iup.uni-heidelberg.de>
1012 // saving 2 byte, 1 cycle
1017 ; Peephole 179 changed mov to clr
1022 // saving 1 byte, 0 cycles
1026 ; Peephole 180 changed mov to clr
1030 // saving 3 byte, 2 cycles, return(NULL) profits here
1035 ; Peephole 181 used 16 bit load of dptr
1039 // saving 3 bytes, 2 cycles
1040 // provided by Bernhard Held <bernhard.held@de.westinghouse.com>
1045 ; Peephole 182a use 16 bit load of DPTR
1049 // saving 3 byte, 2 cycles, return(float_constant) profits here
1054 ; Peephole 182 used 16 bit load of dptr
1055 mov dptr,#(((%2)<<8) + %1)
1062 ; Peephole 183 avoided anl during execution
1071 ; Peephole 184 removed redundant mov
1077 // acc being incremented might cause problems
1081 ; Peephole 185 changed order of increment (acc incremented also!)
1106 ; Peephole 186.a optimized movc sequence
1138 ; Peephole 186.b optimized movc sequence
1163 ; Peephole 186.c optimized movc sequence
1181 ; Peephole 186 optimized movc sequence
1191 ; Peephole 187 used a instead of ar%1 for anl
1203 ; Peephole 188 removed redundant mov
1215 ; Peephole 189 removed redundant mov and anl
1220 // rules 190 & 191 need to be in order
1226 ; Peephole 190 removed redundant mov
1238 ; Peephole 191 removed redundant mov
1249 ; Peephole 192 used a instead of ar%1 as source
1266 ; Peephole 193.a optimized misc jump sequence
1276 } if labelRefCount %3 4
1290 ; Peephole 193 optimized misc jump sequence
1300 } if labelRefCount %3 4
1314 ; Peephole 193.a optimized misc jump sequence
1324 } if labelRefCount %3 4
1335 ; Peephole 194 optimized misc jump sequence
1342 } if labelRefCount %3 4
1354 ; Peephole 195.a optimized misc jump sequence
1362 } if labelRefCount %3 3
1374 ; Peephole 195 optimized misc jump sequence
1382 } if labelRefCount %3 3
1394 ; Peephole 195.a optimized misc jump sequence
1402 } if labelRefCount %3 3
1412 ; Peephole 196 optimized misc jump sequence
1418 } if labelRefCount %3 3
1428 ; Peephole 197.a optimized misc jump sequence
1434 } if labelRefCount %3 2
1444 ; Peephole 197 optimized misc jump sequence
1450 } if labelRefCount %3 2
1460 ; Peephole 197.a optimized misc jump sequence
1466 } if labelRefCount %3 2
1475 ; Peephole 198 optimized misc jump sequence
1480 } if labelRefCount %3 2
1488 ; Peephole 199 optimized misc jump sequence
1492 } if labelRefCount %3 1
1498 ; Peephole 200 removed redundant sjmp
1507 ; Peephole 201 removed redundant sjmp
1517 ; Peephole 202 removed redundant push pop
1526 ; Peephole 203 removed mov r%1,_spx
1535 ; Peephole 204 removed redundant mov
1547 ; Peephole 205 optimized misc jump sequence
1551 } if labelRefCount %2 1
1556 ; Peephole 206 removed redundant mov %1,%1
1564 ; Peephole 207 removed zero add (acc not set to %1, flags undefined)
1573 ; Peephole 208 removed redundant push pop
1583 ; Peephole 209 optimized increment (acc not set to %1, flags undefined)
1589 mov dptr,#((((%1 >> 8)) <<8) + %1)
1591 ; Peephole 210 simplified expression
1599 ; Peephole 211 removed redundant push %1 pop %1
1607 ; Peephole 212 reduced add sequence to inc
1613 mov %1,#(( %2 >> 8 ) ^ 0x80)
1620 mov %1,#(( %2 + %3 >> 8 ) ^ 0x80)
1622 mov %1,#((%2 + %3) >> 8)
1631 ; Peephole 214 reduced some extra movs
1634 } if operandsNotSame
1641 ; Peephole 215 removed some movs
1644 } if operandsNotSame
1654 ; Peephole 216 simplified clear (2bytes)
1673 ; Peephole 217 simplified clear (3bytes)
1697 ; Peephole 218 simplified clear (4bytes)
1716 ; Peephole 219 removed redundant clear
1732 ; Peephole 219a removed redundant clear
1745 ; Peephole 220a removed bogus DPS set
1753 ; Peephole 220b removed bogus DPS set
1758 mov %1 + %2,(%2 + %1)
1760 ; Peephole 221a remove redundant move
1764 mov (%1 + %2 + %3),((%2 + %1) + %3)
1766 ; Peephole 221b remove redundant move
1773 ; removed dec/inc pair
1782 ; Peephole 223 removed redundant dph/dpl moves
1793 ; Peephole 224 removed redundant dph/dpl moves
1806 ; Peephole 225 removed redundant move to acc
1822 ; Peephole 226 removed unnecessary clr
1844 ; Peephole 227 replaced inefficient 32 bit clear
1872 ; Peephole 228 replaced inefficient 32 constant
1894 ; Peephole 229 replaced inefficient 16 bit clear
1912 ; Peephole 230 replaced inefficient 16 constant
1922 // this last peephole often removes the last mov from 227-230
1927 ; Peephole 231 removed redundant mov to dptr