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
66 ; Peephole 100 removed redundant mov
74 ; Peephole 100.a removed redundant mov
84 ; Peephole 101 removed redundant mov
102 ; Peephole 102 removed redundant mov
124 ; Peephole 103 removed redundant mov
141 ; Peephole 104 optimized increment (acc not set to r%1, flags undefined)
150 ; Peephole 105 removed redundant mov
159 ; Peephole 106 removed redundant mov
168 ; Peephole 107 removed redundant ljmp
177 ; Peephole 108 removed ljmp by inverse jump logic
187 ; Peephole 109 removed ljmp by inverse jump logic
197 ; Peephole 110 removed ljmp by inverse jump logic
207 ; Peephole 111 removed ljmp by inverse jump logic
217 ; Peephole 112 removed ljmp by inverse jump logic
226 ; Peephole 132 changed ljmp to sjmp
240 ; Peephole 113 optimized misc sequence
245 } if labelRefCount %3 1
256 ; Peephole 114 optimized misc sequence
262 } if labelRefCount %3 2
271 ; Peephole 115 jump optimization
275 } if labelRefCount %3 1
285 ; Peephole 116 jump optimization
290 } if labelRefCount %3 2
301 ; Peephole 117 jump optimization
307 } if labelRefCount %3 3
319 ; Peephole 118 jump optimization
326 } if labelRefCount %3 4
335 ; Peephole 119 jump optimization
338 } if labelRefCount %3 1
348 ; Peephole 120 jump optimization
352 } if labelRefCount %3 2
363 ; Peephole 121 jump optimization
368 } if labelRefCount %3 3
380 ; Peephole 122 jump optimization
386 } if labelRefCount %3 4
395 ; Peephole 123 jump optimization
399 } if labelRefCount %3 1
409 ; Peephole 124 jump optimization
414 } if labelRefCount %3 2
425 ; Peephole 125 jump optimization
431 } if labelRefCount %3 3
443 ; Peephole 126 jump optimization
450 } if labelRefCount %3 4
463 ; Peephole 127 removed misc sequence
465 } if labelRefCount %3 0
472 ; Peephole 128 jump optimization
481 ; Peephole 129 jump optimization
488 ; Peephole 130 changed target address mode r%1 to ar%1
498 ; Peephole 131 optimized decrement (not caring for c)
510 ; Peephole 133 removed redundant moves
523 ; Peephole 134 removed redundant moves
534 ; Peephole 135 removed redundant mov
545 ; Peephole 136 removed redundant moves
551 // WTF? Doesn't look sensible to me...
561 // ; Peephole 137 optimized misc jump sequence
565 //} if labelRefCount %4 1
576 // ; Peephole 138 optimized misc jump sequence
581 //} if labelRefCount %4 1
588 ; Peephole 139 removed redundant mov
598 ; Peephole 140 removed redundant mov
607 ; Peephole 141 removed redundant mov
617 ; Peephole 142 removed redundant moves
626 ; Peephole 143 converted rlc to rl
634 ; Peephole 144 converted rrc to rc
642 ; Peephole 145 changed to add without carry
651 ; Peephole 146 changed to add without carry
659 ; Peephole 147 changed target address mode r%1 to ar%1
666 ; Peephole 148 changed target address mode r%1 to ar%1
673 ; Peephole 149 changed target address mode r%1 to ar%1
683 ; Peephole 150 removed misc moves via dpl before return
696 ; Peephole 151 removed misc moves via dph, dpl before return
708 ; Peephole 152 removed misc moves via dph, dpl before return
723 ; Peephole 153 removed misc moves via dph, dpl, b before return
736 ; Peephole 154 removed misc moves via dph, dpl, b before return
750 ; Peephole 155 removed misc moves via dph, dpl, b before return
767 ; Peephole 156 removed misc moves via dph, dpl, b, a before return
782 ; Peephole 157 removed misc moves via dph, dpl, b, a before return
796 ; 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
824 ; Peephole 161 removed sjmp by inverse jump logic
834 ; Peephole 162 removed sjmp by inverse jump logic
844 ; Peephole 163 removed sjmp by inverse jump logic
854 ; Peephole 164 removed sjmp by inverse jump logic
864 ; Peephole 165 removed sjmp by inverse jump logic
874 ; Peephole 166 removed redundant mov
884 ; Peephole 167 removed redundant bit moves (c not set to %1)
893 ; Peephole 168 jump optimization
903 ; Peephole 169 jump optimization
915 ; Peephole 170 jump optimization
918 } if labelRefCount %3 1
928 ; Peephole 171 jump optimization
932 } if labelRefCount %3 2
943 ; Peephole 172 jump optimization
948 } if labelRefCount %3 3
960 ; Peephole 173 jump optimization
966 } if labelRefCount %3 4
975 ; Peephole 174 optimized decrement (acc not set to %2, flags undefined)
986 ; Peephole 175 optimized increment (acc not set to %2, flags undefined)
996 ; Peephole 176 optimized increment, removed redundant mov
1001 // this one will screw assignes to volatile/sfr's
1006 // ; Peephole 177 removed redundant mov
1015 ; Peephole 178 removed redundant mov
1020 // rules 179-182 provided by : Frieder <fe@lake.iup.uni-heidelberg.de>
1021 // saving 2 byte, 1 cycle
1026 ; Peephole 179 changed mov to clr
1031 // saving 1 byte, 0 cycles
1035 ; Peephole 180 changed mov to clr
1039 // saving 3 byte, 2 cycles, return(NULL) profits here
1044 ; Peephole 181 used 16 bit load of dptr
1048 // saving 3 bytes, 2 cycles
1049 // provided by Bernhard Held <bernhard.held@de.westinghouse.com>
1054 ; Peephole 182.a used 16 bit load of DPTR
1058 // saving 3 byte, 2 cycles, return(float_constant) profits here
1063 ; Peephole 182 used 16 bit load of dptr
1064 mov dptr,#(((%2)<<8) + %1)
1071 ; Peephole 183 avoided anl during execution
1080 ; Peephole 184 removed redundant mov
1086 // acc being incremented might cause problems
1090 ; Peephole 185 changed order of increment (acc incremented also!)
1115 ; Peephole 186.a optimized movc sequence
1147 ; Peephole 186.b optimized movc sequence
1172 ; Peephole 186.c optimized movc sequence
1190 ; Peephole 186.d optimized movc sequence
1200 ; Peephole 187 used a instead of ar%1 for anl
1212 ; Peephole 188 removed redundant mov
1224 ; Peephole 189 removed redundant mov and anl
1229 // rules 190 & 191 need to be in order
1235 ; Peephole 190 removed redundant mov
1247 ; Peephole 191 removed redundant mov
1258 ; Peephole 192 used a instead of ar%1 as source
1275 ; Peephole 193.a optimized misc jump sequence
1285 } if labelRefCount %3 4
1299 ; Peephole 193 optimized misc jump sequence
1309 } if labelRefCount %3 4
1323 ; Peephole 193.a optimized misc jump sequence
1333 } if labelRefCount %3 4
1344 ; Peephole 194 optimized misc jump sequence
1351 } if labelRefCount %3 4
1363 ; Peephole 195.a optimized misc jump sequence
1371 } if labelRefCount %3 3
1383 ; Peephole 195.b optimized misc jump sequence
1391 } if labelRefCount %3 3
1403 ; Peephole 195.c optimized misc jump sequence
1411 } if labelRefCount %3 3
1421 ; Peephole 196 optimized misc jump sequence
1427 } if labelRefCount %3 3
1437 ; Peephole 197.a optimized misc jump sequence
1443 } if labelRefCount %3 2
1453 ; Peephole 197.b optimized misc jump sequence
1459 } if labelRefCount %3 2
1469 ; Peephole 197.c optimized misc jump sequence
1475 } if labelRefCount %3 2
1484 ; Peephole 198 optimized misc jump sequence
1489 } if labelRefCount %3 2
1497 ; Peephole 199 optimized misc jump sequence
1501 } if labelRefCount %3 1
1507 ; Peephole 200 removed redundant sjmp
1516 ; Peephole 201 removed redundant sjmp
1526 ; Peephole 202 removed redundant push pop
1535 ; Peephole 203 removed mov r%1,_spx
1544 ; Peephole 204 removed redundant mov
1556 ; Peephole 205 optimized misc jump sequence
1560 } if labelRefCount %2 1
1565 ; Peephole 206 removed redundant mov %1,%1
1573 ; Peephole 207 removed zero add (acc not set to %1, flags undefined)
1582 ; Peephole 208 removed redundant push pop
1592 ; Peephole 209 optimized increment (acc not set to %1, flags undefined)
1598 mov dptr,#((((%1 >> 8)) <<8) + %1)
1600 ; Peephole 210 simplified expression
1608 ; Peephole 211 removed redundant push %1 pop %1
1616 ; Peephole 212 reduced add sequence to inc
1622 mov %1,#(( %2 >> 8 ) ^ 0x80)
1624 ; Peephole 213.a inserted fix
1630 mov %1,#(( %2 + %3 >> 8 ) ^ 0x80)
1632 ; Peephole 213.b inserted fix
1633 mov %1,#((%2 + %3) >> 8)
1642 ; Peephole 214 reduced some extra moves
1645 } if operandsNotSame
1652 ; Peephole 215 removed some moves
1655 } if operandsNotSame
1665 ; Peephole 216 simplified clear (2bytes)
1684 ; Peephole 217 simplified clear (3bytes)
1708 ; Peephole 218 simplified clear (4bytes)
1727 ; Peephole 219 removed redundant clear
1743 ; Peephole 219.a removed redundant clear
1756 ; Peephole 220.a removed bogus DPS set
1764 ; Peephole 220.b removed bogus DPS set
1769 mov %1 + %2,(%2 + %1)
1771 ; Peephole 221.a remove redundant move
1775 mov (%1 + %2 + %3),((%2 + %1) + %3)
1777 ; Peephole 221.b remove redundant move
1784 ; Peephole 222 removed dec/inc pair
1793 ; Peephole 223 removed redundant dph/dpl moves
1804 ; Peephole 224 removed redundant dph/dpl moves
1817 ; Peephole 225 removed redundant move to acc
1833 ; Peephole 226 removed unnecessary clr
1855 ; Peephole 227 replaced inefficient 32 bit clear
1883 ; Peephole 228 replaced inefficient 32 constant
1905 ; Peephole 229 replaced inefficient 16 bit clear
1923 ; Peephole 230 replaced inefficient 16 constant
1933 // this last peephole often removes the last mov from 227-230
1938 ; Peephole 231 removed redundant mov to dptr
1945 ; Peephole 232 using movc to read xdata (--xram-movc)
1953 ; Peephole 233 using _gptrgetc instead of _gptrget (--xram-movc)
1963 ; Peephole 234 loading dpl directly from a(ccumulator), r%1 not set
1976 ; Peephole 235 loading dph directly from a(ccumulator), r%1 not set
1983 // 14 rules by Fiorenzo D. Ramaglia <fd.ramaglia@tin.it>
1988 ; Peephole 236.a used r%1 instead of ar%1
1995 ; Peephole 236.b used r%1 instead of ar%1
2002 ; Peephole 236.c used r%1 instead of ar%1
2009 ; Peephole 236.d used r%1 instead of ar%1
2016 ; Peephole 236.e used r%1 instead of ar%1
2023 ; Peephole 236.f used r%1 instead of ar%1
2030 ; Peephole 236.g used r%1 instead of ar%1
2037 ; Peephole 236.h used r%1 instead of ar%1
2044 ; Peephole 236.i used r%1 instead of ar%1
2051 ; Peephole 236.j used r%1 instead of ar%1
2058 ; Peephole 236.k used r%1 instead of ar%1
2065 ; Peephole 236.l used r%1 instead of ar%1
2072 ; Peephole 236.m used r%1 instead of ar%1
2079 ; Peephole 236.n used r%1 instead of ar%1
2090 ; Peephole 237.a removed sjmp to ret
2107 ; Peephole 237.b removed sjmp to ret
2117 // applies to f.e. device/lib/log10f.c
2143 ; Peephole 238.a removed 4 redundant moves
2144 } if operandsNotSame8 %1 %2 %3 %4 %5 %6 %7 %8
2146 // applies to device/lib/log10f.c
2161 ; Peephole 238.b removed 3 redundant moves
2162 } if operandsNotSame7 %1 %2 %3 %4 %5 %6 %7
2164 // applies to f.e. device/lib/time.c
2180 ; Peephole 238.c removed 2 redundant moves
2181 } if operandsNotSame4 %1 %2 %3 %4
2183 // applies to f.e. support/regression/tests/bug-524209.c
2196 ; Peephole 238.d removed 3 redundant moves
2197 } if operandsNotSame6 %1 %2 %3 %4 %5 %6
2199 // applies to f.e. ser_ir.asm
2203 ; Peephole 239 used a instead of acc
2211 ; Peephole 240 use clr instead of addc a,#0