* src/mcs51/peeph.def: better assembler identation by Frieder

[fw/sdcc] / src / mcs51 / peeph.def

//replace restart {
//        pop  %1
//        push %1
//} by {
//        ;       Peephole 1     removed pop %1 push %1 (not push pop)
//}

//replace restart {
//        pop  %1
//        mov  %2,%3
//        push %1
//} by {
//        ;       Peephole 2     removed pop %1 push %1 (not push pop)
//        mov  %2,%3 
//}

//
// added by Jean Louis VERN for
// his shift stuff
replace restart {
        xch  a,%1
        xch  a,%1
} by {
        ;       Peephole 2.a   removed redundant xch xch
}

replace restart {
// saving 2 byte
        mov  %1,#0x00
        mov  a,#0x00
} by {
        ;       Peephole 3.a   changed mov to clr
        clr  a
        mov  %1,a
}

replace restart {
// saving 1 byte
        mov  %1,#0x00
        clr  a
} by {
        ;       Peephole 3.b   changed mov to clr
        clr  a
        mov  %1,a
}

replace restart {
// saving 1 byte, loosing 1 cycle but maybe allowing peephole 3.b to start
        mov  %1,#0x00
        mov  %2,#0x00
        mov  a,%3
} by {
        ;       Peephole 3.c   changed mov to clr
        clr  a
        mov  %1,a
        mov  %2,a
        mov  a,%3
}



replace {
        mov  %1,a
        mov  dptr,#%2
        mov  a,%1
        movx @dptr,a
} by {
        ;       Peephole 100   removed redundant mov
        mov  %1,a
        mov  dptr,#%2
        movx @dptr,a
}
replace {
        mov  a,acc
} by {
        ;       Peephole 100.a   removed redundant mov
}

replace {
        mov  a,%1
        movx @dptr,a
        inc  dptr
        mov  a,%1
        movx @dptr,a
} by {
        ;       Peephole 101   removed redundant mov
        mov  a,%1
        movx @dptr,a
        inc  dptr
        movx @dptr,a
}

replace {
        mov  %1,%2
        ljmp %3
%4:
        mov  %1,%5
%3:
        mov  dpl,%1
%7:
        mov  sp,bp
        pop  bp
} by {
        ;       Peephole 102   removed redundant mov
        mov  dpl,%2
        ljmp %3
%4:
        mov  dpl,%5
%3:
%7:
        mov  sp,bp
        pop  bp
}

replace {
        mov  %1,%2
        ljmp %3
%4:
        mov  a%1,%5
%3:
        mov  dpl,%1
%7:
        mov  sp,bp
        pop  bp
} by {
        ;       Peephole 103   removed redundant mov
        mov  dpl,%2
        ljmp %3
%4:
        mov  dpl,%5
%3:
%7:
        mov  sp,bp
        pop  bp
}

replace {
        mov  a,bp
        clr  c
        add  a,#0x01
        mov  r%1,a
} by {
        ;       Peephole 104   optimized increment (acc not set to r%1, flags undefined)
        mov  r%1,bp
        inc  r%1
}

replace {
        mov  %1,a
        mov  a,%1
} by {
        ;       Peephole 105   removed redundant mov
        mov  %1,a
}

replace {
        mov  %1,a
        clr  c
        mov  a,%1
} by {
        ;       Peephole 106   removed redundant mov 
        mov  %1,a
        clr  c
}

replace {
        ljmp %1
%1:
} by {
        ;       Peephole 107   removed redundant ljmp
%1:
}

replace {
        jc   %1
        ljmp %5
%1:
} by {
        ;       Peephole 108   removed ljmp by inverse jump logic
        jnc  %5
%1:
} if labelInRange

replace {
        jz   %1
        ljmp %5
%1:
} by {
        ;       Peephole 109   removed ljmp by inverse jump logic
        jnz  %5
%1:
} if labelInRange

replace {
        jnz  %1
        ljmp %5
%1:
} by {
        ;       Peephole 110   removed ljmp by inverse jump logic
        jz  %5
%1:
} if labelInRange

replace {
        jb   %1,%2
        ljmp %5
%2:
} by {
        ;       Peephole 111   removed ljmp by inverse jump logic
        jnb  %1,%5
%2:
} if labelInRange

replace {
        jnb  %1,%2
        ljmp %5
%2:
} by {
       ;       Peephole 112   removed ljmp by inverse jump logic
        jb   %1,%5
%2:
} if labelInRange

replace {
        ljmp %5
%1:
} by {
        ;       Peephole 132   changed ljmp to sjmp
        sjmp %5
%1:
} if labelInRange


replace {
        clr  a
        cjne %1,%2,%3
        cpl  a
%3:
        rrc  a
        mov  %4,c
} by {
        ;       Peephole 113   optimized misc sequence
        clr  %4
        cjne %1,%2,%3
        setb %4
%3:
} if labelRefCount %3 1

replace {
        clr  a
        cjne %1,%2,%3
        cjne %10,%11,%3
        cpl  a
%3:
        rrc  a
        mov  %4,c
} by {
        ;       Peephole 114   optimized misc sequence
        clr  %4
        cjne %1,%2,%3
        cjne %10,%11,%3
        setb %4
%3:
} if labelRefCount %3 2

replace {
        clr  a
        cjne %1,%2,%3
        cpl  a
%3:
        jnz  %4
} by {
        ;       Peephole 115   jump optimization 
        cjne %1,%2,%3
        sjmp %4
%3:
} if labelRefCount %3 1

replace {
        clr  a
        cjne %1,%2,%3
        cjne %9,%10,%3
        cpl  a
%3:
        jnz  %4
} by {
        ;       Peephole 116   jump optimization
        cjne %1,%2,%3
        cjne %9,%10,%3
        sjmp %4
%3:
} if labelRefCount %3 2

replace {
        clr  a
        cjne %1,%2,%3
        cjne %9,%10,%3
        cjne %11,%12,%3
        cpl  a
%3:
        jnz %4
} by {
        ;       Peephole 117   jump optimization
        cjne %1,%2,%3
        cjne %9,%10,%3
        cjne %11,%12,%3
        sjmp %4
%3:
} if labelRefCount %3 3

replace {
        clr  a
        cjne %1,%2,%3
        cjne %9,%10,%3
        cjne %11,%12,%3
        cjne %13,%14,%3
        cpl  a
%3:
        jnz %4
} by {
        ;       Peephole 118   jump optimization
        cjne %1,%2,%3
        cjne %9,%10,%3
        cjne %11,%12,%3
        cjne %13,%14,%3
        sjmp %4
%3:
} if labelRefCount %3 4

replace {
        mov  a,#0x01
        cjne %1,%2,%3
        clr  a
%3:
        jnz  %4
} by {
        ;       Peephole 119   jump optimization
        cjne %1,%2,%4
%3:
} if labelRefCount %3 1

replace {
        mov  a,#0x01
        cjne %1,%2,%3
        cjne %10,%11,%3
        clr  a
%3:
        jnz  %4
} by {
        ;       Peephole 120   jump optimization
        cjne %1,%2,%4
        cjne %10,%11,%4
%3:
} if labelRefCount %3 2

replace {
        mov  a,#0x01
        cjne %1,%2,%3
        cjne %10,%11,%3
        cjne %12,%13,%3
        clr  a
%3:
        jnz  %4
} by {
        ;       Peephole 121   jump optimization
        cjne %1,%2,%4
        cjne %10,%11,%4
        cjne %12,%13,%4
%3:
} if labelRefCount %3 3

replace {
        mov  a,#0x01
        cjne %1,%2,%3
        cjne %10,%11,%3
        cjne %12,%13,%3
        cjne %14,%15,%3
        clr  a
%3:
        jnz  %4
} by {
        ;       Peephole 122   jump optimization
        cjne %1,%2,%4
        cjne %10,%11,%4
        cjne %12,%13,%4
        cjne %14,%15,%4
%3:
} if labelRefCount %3 4

replace {
        mov  a,#0x01
        cjne %1,%2,%3
        clr  a
%3:
        jz   %4
} by {
        ;       Peephole 123   jump optimization
        cjne %1,%2,%3
        smp  %4
%3:
} if labelRefCount %3 1

replace {
        mov  a,#0x01
        cjne %1,%2,%3
        cjne %10,%11,%3
        clr  a
%3:
        jz   %4
} by {
        ;       Peephole 124   jump optimization
        cjne %1,%2,%3
        cjne %10,%11,%3
        sjmp  %4
%3:
} if labelRefCount %3 2

replace {
        mov  a,#0x01
        cjne %1,%2,%3
        cjne %10,%11,%3
        cjne %12,%13,%3
        clr  a
%3:
        jz   %4
} by {
        ;       Peephole 125   jump optimization
        cjne %1,%2,%3
        cjne %10,%11,%3
        cjne %12,%13,%3
        sjmp %4
%3:
} if labelRefCount %3 3

replace {
        mov  a,#0x01
        cjne %1,%2,%3
        cjne %10,%11,%3
        cjne %12,%13,%3
        cjne %14,%15,%3
        clr  a
%3:
        jz   %4
} by {
        ;       Peephole 126   jump optimization
        cjne %1,%2,%3
        cjne %10,%11,%3
        cjne %12,%13,%3
        cjne %14,%15,%3
        sjmp %4
%3:
} if labelRefCount %3 4

replace {
        push psw
        mov  psw,%1
        push bp
        mov  bp,%2
%3:
        mov  %2,bp
        pop  bp
        pop  psw
        ret
} by {
        ;       Peephole 127   removed misc sequence
        ret
} if labelRefCount %3 0

replace {
        clr  a
        rlc  a
        jz   %1
} by {
        ;       Peephole 128   jump optimization
        jnc  %1
}

replace {
        clr  a
        rlc  a
        jnz  %1
} by {
        ;       Peephole 129   jump optimization
        jc   %1
}

replace { 
        mov  r%1,@r%2
} by {
        ;       Peephole 130   changed target address mode r%1 to ar%1
        mov  ar%1,@r%2
}

replace { 
        mov  a,%1
        subb a,#0x01
        mov  %2,a
        mov  %1,%2
} by {
        ;       Peephole 131   optimized decrement (not caring for c)
        dec  %1         
        mov  %2,%1      
}

replace {
        mov  r%1,%2
        mov  ar%3,@r%1
        inc  r%3
        mov  r%4,%2
        mov  @r%4,ar%3
} by {
        ;       Peephole 133   removed redundant moves
        mov  r%1,%2
        inc  @r%1
        mov  ar%3,@r%1
}

replace {
        mov  r%1,%2
        mov  ar%3,@r%1
        dec  r%3
        mov  r%4,%2
        mov  @r%4,ar%3
} by {
        ;       Peephole 134   removed redundant moves
        mov  r%1,%2
        dec  @r%1
        mov  ar%3,@r%1
}

replace {
        mov  r%1,a
        mov  a,r%2
        orl  a,r%1
} by {
        ;       Peephole 135   removed redundant mov
        mov  r%1,a
        orl  a,r%2
}

replace {
        mov  %1,a
        mov  dpl,%2
        mov  dph,%3
        mov  a,%1
} by {
        ;       Peephole 136   removed redundant moves
        mov  %1,a
        mov  dpl,%2
        mov  dph,%3
}

// WTF? Doesn't look sensible to me...
//replace {
//        mov  b,#0x00
//        mov  a,%1
//        cjne %2,%3,%4
//        mov  b,#0x01
//%4:
//        mov  a,b
//        jz   %5
//} by {
//        ;       Peephole 137   optimized misc jump sequence
//        mov  a,%1
//        cjne %2,%3,%5
//%4:
//} if labelRefCount %4 1
//
//replace {
//        mov  b,#0x00
//        mov  a,%1
//        cjne %2,%3,%4
//        mov  b,#0x01
//%4:
//        mov  a,b
//        jnz  %5
//} by {
//        ;       Peephole 138   optimized misc jump sequence
//        mov  a,%1
//        cjne %2,%3,%4
//        sjmp %5
//%4:
//} if labelRefCount %4 1

replace {
        mov  r%1,a
        anl  ar%1,%2
        mov  a,r%1
} by {
        ;       Peephole 139   removed redundant mov
        anl  a,%2
        mov  r%1,a
}

replace {
        mov  r%1,a
        orl  ar%1,%2
        mov  a,r%1
} by {
        ;       Peephole 140   removed redundant mov
        orl  a,%2
        mov  r%1,a }

replace {
        mov  r%1,a
        xrl  ar%1,%2
        mov  a,r%1
} by {
        ;       Peephole 141   removed redundant mov
        xrl  a,%2
        mov  r%1,a
}

replace {
        mov  r%1,a
        mov  r%2,ar%1
        mov  ar%1,@r%2
} by {
        ;       Peephole 142   removed redundant moves
        mov  r%2,a
        mov  ar%1,@r%2
}

replace {
        rlc  a
        mov  acc.0,c
} by {
        ;       Peephole 143   converted rlc to rl
        rl   a
}

replace {
        rrc  a
        mov  acc.7,c
} by {
        ;       Peephole 144   converted rrc to rc
        rr   a
}

replace {
        clr  c
        addc a,%1
} by {
        ;       Peephole 145   changed to add without carry  
        add  a,%1
}

replace {
        clr  c
        mov  a,%1
        addc a,%2
} by {
        ;       Peephole 146   changed to add without carry
        mov  a,%1
        add  a,%2
}

replace {
        orl  r%1,a
} by {
        ;       Peephole 147   changed target address mode r%1 to ar%1
        orl  ar%1,a
}

replace {
        anl  r%1,a
} by {
        ;       Peephole 148   changed target address mode r%1 to ar%1
        anl  ar%1,a
}

replace {
        xrl  r%1,a
} by {
        ;       Peephole 149   changed target address mode r%1 to ar%1
        xrl  ar%1,a
}

replace {
        mov  %1,dpl
        mov  dpl,%1
%9:
        ret
} by {
        ;       Peephole 150   removed misc moves via dpl before return
%9:
        ret
}

replace {
        mov  %1,dpl
        mov  %2,dph
        mov  dpl,%1
        mov  dph,%2
%9:
        ret
} by {
        ;       Peephole 151   removed misc moves via dph, dpl before return
%9:
        ret
}

replace {
        mov  %1,dpl
        mov  %2,dph
        mov  dpl,%1
%9:
        ret
} by {
        ;       Peephole 152   removed misc moves via dph, dpl before return
%9:
        ret
}

replace {
        mov  %1,dpl
        mov  %2,dph
        mov  %3,b
        mov  dpl,%1
        mov  dph,%2
        mov  b,%3
%9:
        ret
} by {
        ;       Peephole 153   removed misc moves via dph, dpl, b before return
%9:
        ret
}

replace {
        mov  %1,dpl
        mov  %2,dph
        mov  %3,b
        mov  dpl,%1
%9:
        ret
} by {
        ;       Peephole 154   removed misc moves via dph, dpl, b before return
%9:
        ret
}

replace {
        mov  %1,dpl
        mov  %2,dph
        mov  %3,b
        mov  dpl,%1
        mov  dph,%2
%9:
        ret
} by {
        ;       Peephole 155   removed misc moves via dph, dpl, b before return
%9:
        ret
}

replace {
        mov  %1,dpl
        mov  %2,dph
        mov  %3,b
        mov  %4,a
        mov  dpl,%1
        mov  dph,%2
        mov  b,%3
        mov  a,%4
%9:
        ret
} by {
        ;       Peephole 156   removed misc moves via dph, dpl, b, a before return
%9:
        ret
}

replace {
        mov  %1,dpl
        mov  %2,dph
        mov  %3,b
        mov  %4,a
        mov  dpl,%1
        mov  dph,%2
%9:
        ret
} by {
        ;       Peephole 157   removed misc moves via dph, dpl, b, a before return
%9:
        ret
}

replace {
        mov  %1,dpl
        mov  %2,dph
        mov  %3,b
        mov  %4,a
        mov  dpl,%1
%9:
        ret } by {
        ;       Peephole 158   removed misc moves via dph, dpl, b, a before return
%9:
        ret }

replace {
        mov  %1,#%2
        xrl  %1,#0x80
} by {
        ;       Peephole 159   avoided xrl during execution
        mov  %1,#(%2 ^ 0x80)
}

replace {
        jnc  %1
        sjmp %2
%1:
} by {
        ;       Peephole 160   removed sjmp by inverse jump logic
        jc   %2
%1:}

replace {
        jc   %1
        sjmp %2
%1:
} by {
        ;       Peephole 161   removed sjmp by inverse jump logic
        jnc  %2
%1:}

replace {
        jnz  %1
        sjmp %2
%1:
} by {
        ;       Peephole 162   removed sjmp by inverse jump logic
        jz   %2
%1:}

replace {
        jz   %1
        sjmp %2
%1:
} by {
        ;       Peephole 163   removed sjmp by inverse jump logic
        jnz  %2
%1:}

replace {
        jnb  %3,%1
        sjmp %2
%1:
} by {
        ;       Peephole 164   removed sjmp by inverse jump logic
        jb   %3,%2
%1:
}

replace {
        jb   %3,%1
        sjmp %2
%1:
} by {
        ;       Peephole 165   removed sjmp by inverse jump logic
        jnb  %3,%2
%1:
}

replace {
        mov  %1,%2
        mov  %3,%1
        mov  %2,%1
} by {
        ;       Peephole 166   removed redundant mov
        mov  %1,%2
        mov  %3,%1 }

replace {
        mov  c,%1
        cpl  c
        mov  %1,c
} by {
        ;       Peephole 167   removed redundant bit moves (c not set to %1)
        cpl  %1 }

replace {
        jnb  %1,%2
        sjmp %3
%2:} by {
        ;       Peephole 168   jump optimization
        jb   %1,%3
%2:}

replace {
        jb   %1,%2
        sjmp %3
%2:} by {
        ;       Peephole 169   jump optimization
        jnb  %1,%3
%2:}

replace {
        clr  a
        cjne %1,%2,%3
        cpl  a
%3:
        jz   %4
} by {
        ;       Peephole 170   jump optimization
        cjne %1,%2,%4
%3:
} if labelRefCount %3 1

replace {
        clr  a
        cjne %1,%2,%3
        cjne %9,%10,%3
        cpl  a
%3:
        jz   %4
} by {
        ;       Peephole 171   jump optimization
        cjne %1,%2,%4
        cjne %9,%10,%4
%3:
} if labelRefCount %3 2

replace {
        clr  a
        cjne %1,%2,%3
        cjne %9,%10,%3
        cjne %11,%12,%3
        cpl  a
%3:
        jz   %4
} by {
        ;       Peephole 172   jump optimization
        cjne %1,%2,%4
        cjne %9,%10,%4
        cjne %11,%12,%4
%3:
} if labelRefCount %3 3

replace {
        clr  a
        cjne %1,%2,%3
        cjne %9,%10,%3
        cjne %11,%12,%3
        cjne %13,%14,%3
        cpl  a
%3:
        jz   %4
} by {
        ;       Peephole 173   jump optimization
        cjne %1,%2,%4
        cjne %9,%10,%4
        cjne %11,%12,%4
        cjne %13,%14,%4
%3:
} if labelRefCount %3 4

replace {
        mov  r%1,%2
        clr  c
        mov  a,r%1
        subb a,#0x01
        mov  %2,a
} by {
        ;       Peephole 174   optimized decrement (acc not set to %2, flags undefined)
        mov  r%1,%2
        dec  %2
}


replace {
        mov  r%1,%2
        mov  a,r%1
        add  a,#0x01
        mov  %2,a
} by {
        ;       Peephole 175   optimized increment (acc not set to %2, flags undefined)
        mov  r%1,%2
        inc  %2
}

replace {
        mov  %1,@r%2
        inc  %1
        mov  @r%2,%1
} by {
        ;       Peephole 176   optimized increment, removed redundant mov
        inc  @r%2
        mov  %1,@r%2
}

// this one will screw assignes to volatile/sfr's
//replace {
//        mov  %1,%2
//        mov  %2,%1
//} by {
//        ;       Peephole 177   removed redundant mov
//        mov  %1,%2
//}

replace {
        mov  a,%1
        mov  b,a
        mov  a,%2
} by {
        ;       Peephole 178   removed redundant mov
        mov  b,%1
        mov  a,%2
}

// rules 179-182 provided by : Frieder <fe@lake.iup.uni-heidelberg.de>
// saving 2 byte, 1 cycle
replace {
        mov  b,#0x00
        mov  a,#0x00
} by {
        ;       Peephole 179   changed mov to clr
        clr  a
        mov  b,a
}

// saving 1 byte, 0 cycles
replace {
        mov  a,#0x00
} by {
        ;       Peephole 180   changed mov to clr
        clr  a
}

// saving 3 byte, 2 cycles, return(NULL) profits here
replace {
        mov  dpl,#0x00
        mov  dph,#0x00
} by {
        ;       Peephole 181   used 16 bit load of dptr
        mov  dptr,#0x0000
}

// saving 3 bytes, 2 cycles
// provided by Bernhard Held <bernhard.held@de.westinghouse.com>
replace {
        mov dpl,#%1
        mov dph,#(%1 >> 8)
} by {
        ;       Peephole 182a use 16 bit load of DPTR
        mov dptr,#%1
}

// saving 3 byte, 2 cycles, return(float_constant) profits here
replace {
        mov  dpl,#%1
        mov  dph,#%2
} by {
        ;       Peephole 182   used 16 bit load of dptr
        mov  dptr,#(((%2)<<8) + %1)
}

replace {
        anl  %1,#%2
        anl  %1,#%3
} by {
        ;       Peephole 183   avoided anl during execution
        anl  %1,#(%2 & %3)
}

replace {
        mov  %1,a
        cpl  a
        mov  %1,a
} by {
        ;       Peephole 184   removed redundant mov
        cpl  a
        mov  %1,a
}

replace {
// acc being incremented might cause problems
        mov  %1,a
        inc  %1
} by {
        ;       Peephole 185   changed order of increment (acc incremented also!)
        inc  a
        mov  %1,a
}

replace {
        add  a,#%1
        mov  dpl,a
        clr  a
        addc a,#(%1 >> 8)
        mov  dph,a
        clr  a
        movc a,@a+dptr
        mov  %2,a
        inc  dptr
        clr  a
        movc a,@a+dptr
        mov  %3,a
        inc  dptr
        clr  a
        movc a,@a+dptr
        mov  %4,a
        inc  dptr
        clr  a  
} by {
        ;       Peephole 186.a   optimized movc sequence
        mov  dptr,#%1
        mov  b,acc
        movc a,@a+dptr
        mov  %2,a
        mov  acc,b
        inc  dptr       
        movc a,@a+dptr
        mov  %3,a
        mov  acc,b
        inc  dptr
        mov  %4,a
        mov  acc,b
        inc  dptr
}

replace {
        add  a,#%1
        mov  dpl,a
        clr  a
        addc a,#(%1 >> 8)
        mov  dph,a
        clr  a
        movc a,@a+dptr
        mov  %2,a
        inc  dptr
        clr  a
        movc a,@a+dptr
        mov  %3,a
        inc  dptr
        clr  a
} by {
        ;       Peephole 186.b   optimized movc sequence
        mov  dptr,#%1
        mov  b,acc
        movc a,@a+dptr
        mov  %2,a
        mov  acc,b
        inc  dptr       
        movc a,@a+dptr
        mov  %3,a
        mov  acc,b
        inc  dptr       
}

replace {
        add  a,#%1
        mov  dpl,a
        clr  a
        addc a,#(%1 >> 8)
        mov  dph,a
        clr  a
        movc a,@a+dptr
        mov  %2,a
        inc  dptr
        clr  a
} by {
        ;       Peephole 186.c   optimized movc sequence
        mov  dptr,#%1
        mov  b,acc
        movc a,@a+dptr
        mov  %2,a
        mov  acc,b
        inc  dptr
}

replace {
        add  a,#%1
        mov  dpl,a
        clr  a
        addc a,#(%1 >> 8)
        mov  dph,a
        clr  a
        movc a,@a+dptr
} by {
        ;       Peephole 186   optimized movc sequence
        mov  dptr,#%1
        movc a,@a+dptr
}

replace {
        mov  r%1,%2
        anl  ar%1,#%3
        mov  a,r%1
} by {
        ;       Peephole 187   used a instead of ar%1 for anl
        mov  a,%2
        anl  a,#%3
        mov  r%1,a
}

replace {
        mov  %1,a
        mov  dptr,%2
        movc a,@a+dptr
        mov  %1,a
} by {
        ;       Peephole 188   removed redundant mov
        mov  dptr,%2
        movc a,@a+dptr
        mov  %1,a
}

replace {
        anl  a,#0x0f
        mov  %1,a
        mov  a,#0x0f
        anl  a,%1
} by {
        ;       Peephole 189   removed redundant mov and anl
        anl  a,#0x0f
        mov  %1,a
}

// rules 190 & 191 need to be in order
replace {
        mov  a,%1
        lcall __gptrput
        mov  a,%1
} by {
        ;       Peephole 190   removed redundant mov
        mov  a,%1
        lcall __gptrput
}

replace {
        mov  %1,a
        mov  dpl,%2
        mov  dph,%3
        mov  b,%4
        mov  a,%1
} by {
        ;       Peephole 191   removed redundant mov
        mov  %1,a
        mov  dpl,%2
        mov  dph,%3
        mov  b,%4
}

replace {
        mov  r%1,a
        mov  @r%2,ar%1
} by {
        ;       Peephole 192   used a instead of ar%1 as source
        mov  r%1,a
        mov  @r%2,a
}

replace {
        jnz  %3
        mov  a,%4
        jnz  %3
        mov  a,%9
        jnz  %3
        mov  a,%12
        cjne %13,%14,%3
        sjmp %7
%3:
        sjmp %8
} by {
        ;       Peephole 193.a optimized misc jump sequence
        jnz  %8
        mov  a,%4
        jnz  %8
        mov  a,%9
        jnz  %8
        mov  a,%12
        cjne %13,%14,%8
        sjmp %7
;%3:
} if labelRefCount %3 4

replace {
        cjne %1,%2,%3
        mov  a,%4
        cjne %5,%6,%3
        mov  a,%9
        cjne %10,%11,%3
        mov  a,%12
        cjne %13,%14,%3
        sjmp %7
%3:
        sjmp %8
} by {
        ;       Peephole 193   optimized misc jump sequence
        cjne %1,%2,%8
        mov  a,%4
        cjne %5,%6,%8
        mov  a,%9
        cjne %10,%11,%8
        mov  a,%12
        cjne %13,%14,%8
        sjmp %7
;%3:
} if labelRefCount %3 4

replace {
        cjne @%1,%2,%3
        inc  %1
        cjne @%1,%6,%3
        inc  %1
        cjne @%1,%11,%3
        inc  %1
        cjne @%1,%14,%3
        sjmp %7
%3:
        sjmp %8
} by {
        ;       Peephole 193.a   optimized misc jump sequence
        cjne @%1,%2,%8
        inc  %1
        cjne @%1,%6,%8
        inc  %1
        cjne @%1,%11,%8
        inc  %1
        cjne @%1,%14,%8
        sjmp %7
;%3:
} if labelRefCount %3 4

replace {
        cjne %1,%2,%3
        cjne %5,%6,%3
        cjne %10,%11,%3
        cjne %13,%14,%3
        sjmp %7
%3:
        sjmp %8
} by {
        ;       Peephole 194   optimized misc jump sequence
        cjne %1,%2,%8
        cjne %5,%6,%8
        cjne %10,%11,%8
        cjne %13,%14,%8
        sjmp %7
;%3:
} if labelRefCount %3 4

replace {
        jnz  %3
        mov  a,%4
        jnz  %3
        mov  a,%9
        cjne %10,%11,%3
        sjmp %7
%3:
        sjmp %8
} by {
        ;       Peephole 195.a optimized misc jump sequence
        jnz  %8
        mov  a,%4
        jnz  %8
        mov  a,%9
        cjne %10,%11,%8
        sjmp %7
;%3:
} if labelRefCount %3 3

replace {
        cjne %1,%2,%3
        mov  a,%4
        cjne %5,%6,%3
        mov  a,%9
        cjne %10,%11,%3
        sjmp %7
%3:
        sjmp %8
} by {
        ;       Peephole 195   optimized misc jump sequence
        cjne %1,%2,%8
        mov  a,%4
        cjne %5,%6,%8
        mov  a,%9
        cjne %10,%11,%8
        sjmp %7
;%3:
} if labelRefCount %3 3

replace {
        cjne @%1,%2,%3
        inc  %1
        cjne @%1,%6,%3
        inc  %1
        cjne @%1,%11,%3
        sjmp %7
%3:
        sjmp %8
} by {
        ;       Peephole 195.a   optimized misc jump sequence
        cjne @%1,%2,%8
        inc  %1
        cjne @%1,%6,%8
        inc  %1
        cjne @%1,%11,%8
        sjmp %7
;%3:
} if labelRefCount %3 3

replace {
        cjne %1,%2,%3
        cjne %5,%6,%3
        cjne %10,%11,%3
        sjmp %7
%3:
        sjmp %8
} by {
        ;       Peephole 196   optimized misc jump sequence
        cjne %1,%2,%8
        cjne %5,%6,%8
        cjne %10,%11,%8
        sjmp %7
;%3:
} if labelRefCount %3 3

replace {
        jnz  %3
        mov  a,%4
        cjne %5,%6,%3
        sjmp %7
%3:
        sjmp %8 
} by {
        ;       Peephole 197.a optimized misc jump sequence
        jnz  %8
        mov  a,%4
        cjne %5,%6,%8
        sjmp %7
;%3:     
} if labelRefCount %3 2

replace {
        cjne %1,%2,%3
        mov  a,%4
        cjne %5,%6,%3
        sjmp %7
%3:
        sjmp %8
} by {
        ;       Peephole 197   optimized misc jump sequence
        cjne %1,%2,%8
        mov  a,%4
        cjne %5,%6,%8
        sjmp %7
;%3:
} if labelRefCount %3 2

replace {
        cjne @%1,%2,%3
        inc  %1
        cjne @%1,%6,%3
        sjmp %7
%3:
        sjmp %8
} by {
        ;       Peephole 197.a   optimized misc jump sequence
        cjne @%1,%2,%8
        inc   %1
        cjne @%1,%6,%8
        sjmp %7
;%3:
} if labelRefCount %3 2

replace {
        cjne %1,%2,%3
        cjne %5,%6,%3
        sjmp %7
%3:
        sjmp %8
} by {
        ;       Peephole 198   optimized misc jump sequence
        cjne %1,%2,%8
        cjne %5,%6,%8
        sjmp %7
;%3:
} if labelRefCount %3 2

replace {
        cjne %1,%2,%3
        sjmp %4
%3:
        sjmp %5
} by {
        ;       Peephole 199   optimized misc jump sequence
        cjne %1,%2,%5
        sjmp %4
;%3:
} if labelRefCount %3 1

replace {
        sjmp %1
%1:
} by {
        ;       Peephole 200   removed redundant sjmp
%1:
}

replace {
        sjmp %1
%2:
%1:
} by {
        ;       Peephole 201   removed redundant sjmp
%2:
%1:
}

replace {
        push  acc
        mov   dptr,%1
        pop   acc
} by {
        ;       Peephole 202   removed redundant push pop
        mov   dptr,%1
}

replace {
        mov  r%1,_spx
        lcall %2
        mov  r%1,_spx
} by {
        ;       Peephole 203   removed mov  r%1,_spx
        lcall %2
}

replace {
        mov  %1,a
        add  a,acc
        mov  %1,a
} by {
        ;       Peephole 204   removed redundant mov
        add  a,acc
        mov  %1,a
}

replace {
        djnz %1,%2
        sjmp  %3
%2:
        sjmp  %4
%3:
} by {
        ;       Peephole 205   optimized misc jump sequence
        djnz %1,%4
%2:
%3:
} if labelRefCount %2 1

replace {
        mov  %1,%1
} by {
        ;       Peephole 206   removed redundant mov %1,%1
}

replace {
        mov  a,_bp
        add  a,#0x00
        mov  %1,a
} by {
        ;       Peephole 207   removed zero add (acc not set to %1, flags undefined)
        mov  %1,_bp
}

replace {
        push  acc
        mov   r%1,_bp
        pop   acc
} by {
        ;       Peephole 208   removed redundant push pop
        mov   r%1,_bp
}

replace {
        mov  a,_bp
        add  a,#0x00
        inc  a
        mov  %1,a
} by {
        ;       Peephole 209   optimized increment (acc not set to %1, flags undefined)
        mov  %1,_bp
        inc  %1
}

replace {
        mov  dptr,#((((%1 >> 8)) <<8) + %1)
} by {
        ;       Peephole 210   simplified expression
        mov  dptr,#%1
}

replace {
        push %1
        pop  %1
} by {
        ;       Peephole 211   removed redundant push %1 pop %1  
} 

replace {
        mov  a,_bp
        add  a,#0x01
        mov  r%1,a
} by {
        ;       Peephole 212  reduced add sequence to inc
        mov  r%1,_bp
        inc  r%1
}

replace {
        mov  %1,#(( %2 >> 8 ) ^ 0x80)
} by {  
        mov  %1,#(%2 >> 8)
        xrl  %1,#0x80
}

replace {
        mov  %1,#(( %2 + %3 >> 8 ) ^ 0x80)
} by {  
        mov  %1,#((%2 + %3) >> 8)
        xrl  %1,#0x80
}

replace  {
        mov  %1,a
        mov  a,%2
        add  a,%1
} by {
        ;       Peephole 214 reduced some extra movs
        mov  %1,a
        add  a,%2       
} if operandsNotSame

replace {
        mov  %1,a
        add  a,%2
        mov  %1,a
} by {
        ;       Peephole 215 removed some movs
        add  a,%2
        mov  %1,a
} if operandsNotSame

replace {
        mov   r%1,%2
        clr   a
        inc   r%1
        mov   @r%1,a
        dec   r%1
        mov   @r%1,a
} by {
        ;       Peephole 216 simplified clear (2bytes)
        mov   r%1,%2
        clr   a
        mov   @r%1,a
        inc   r%1
        mov   @r%1,a
}

replace {
        mov   r%1,%2
        clr   a
        inc   r%1
        inc   r%1
        mov   @r%1,a
        dec   r%1
        mov   @r%1,a
        dec   r%1
        mov   @r%1,a
} by {
        ;       Peephole 217 simplified clear (3bytes)
        mov   r%1,%2
        clr   a
        mov   @r%1,a
        inc   r%1
        mov   @r%1,a
        inc   r%1
        mov   @r%1,a
}

replace {
        mov   r%1,%2
        clr   a
        inc   r%1
        inc   r%1
        inc   r%1
        mov   @r%1,a
        dec   r%1
        mov   @r%1,a
        dec   r%1
        mov   @r%1,a
        dec   r%1
        mov   @r%1,a
} by {
        ;       Peephole 218 simplified clear (4bytes)
        mov   r%1,%2
        clr   a
        mov   @r%1,a
        inc   r%1
        mov   @r%1,a
        inc   r%1
        mov   @r%1,a
        inc   r%1
        mov   @r%1,a
}

replace {
        clr   a
        movx  @dptr,a
        mov   dptr,%1
        clr   a
        movx  @dptr,a
} by {
        ;       Peephole 219 removed redundant clear
        clr   a
        movx  @dptr,a
        mov   dptr,%1
        movx  @dptr,a
}

replace {
        clr   a
        movx  @dptr,a
        mov   dptr,%1
        movx  @dptr,a
        mov   dptr,%2
        clr   a
        movx  @dptr,a
} by {
        ;       Peephole 219a removed redundant clear
        clr   a
        movx  @dptr,a
        mov   dptr,%1
        movx  @dptr,a
        mov   dptr,%2
        movx  @dptr,a
}

replace {
        mov     dps, #0x00
        mov     dps, #0x01
} by {
        ;       Peephole 220a removed bogus DPS set
        mov     dps, #0x01
}

replace {
        mov     dps, #0x01
        mov     dps, #0x00
} by {
        ;       Peephole 220b removed bogus DPS set
        mov     dps, #0x00
}

replace {
        mov     %1 + %2,(%2 + %1)
} by {
        ;       Peephole 221a remove redundant move
}

replace {
        mov     (%1 + %2 + %3),((%2 + %1) + %3)
} by {
        ;       Peephole 221b remove redundant move
}

replace {
        dec     r%1
        inc     r%1
} by {
        ; removed dec/inc pair
}

replace {
        mov     %1,dpl
        mov     %2,dph
        mov     dpl,%1
        mov     dph,%2
} by {
        ;       Peephole 223   removed redundant dph/dpl moves
        mov     %1,dpl
        mov     %2,dph
}

replace {
        mov     %1,dpl
        mov     (%1 + 1),dph
        mov     dpl,%1
        mov     dph,(%1 + 1)
} by {
        ;       Peephole 224   removed redundant dph/dpl moves
        mov     %1,dpl
        mov     (%1 + 1),dph
}

replace {
        mov     a,%1
        movx    @dptr,a
        mov     dpl,%2
        mov     dph,%3
        mov     b,%4
        mov     a,%1
} by {
        ;       Peephole 225   removed redundant move to acc
        mov     a,%1
        movx    @dptr,a
        mov     dpl,%2
        mov     dph,%3
        mov     b,%4
}

replace {
        clr  a
        movx @dptr,a
        inc  dptr
        movx @dptr,a
        inc     dptr
        clr  a
} by {
        ;       Peephole 226   removed unnecessary clr
        clr     a
        movx    @dptr,a
        inc     dptr
        movx    @dptr,a
        inc     dptr
}

replace {
        mov     dptr,#%1
        clr     a
        inc     dptr
        inc     dptr
        inc     dptr
        movx    @dptr,a
        lcall   __decdptr
        movx    @dptr,a
        lcall   __decdptr
        movx    @dptr,a
        lcall   __decdptr
        movx    @dptr,a
} by {
        ;       Peephole 227   replaced inefficient 32 bit clear
        mov     dptr,#%1
        clr     a
        movx    @dptr,a
        inc     dptr
        movx    @dptr,a
        inc     dptr
        movx    @dptr,a
        inc     dptr
        movx    @dptr,a
        mov     dptr,#%1
}

replace {
        mov     dptr,#%1
        clr     a
        inc     dptr
        inc     dptr
        inc     dptr
        movx    @dptr,a
        lcall   __decdptr
        movx    @dptr,a
        lcall   __decdptr
        movx    @dptr,a
        lcall   __decdptr
        mov     a,#%2
        movx    @dptr,a
} by {
        ;       Peephole 228   replaced inefficient 32 constant
        mov     dptr,#%1
        mov     a, #%2
        movx    @dptr,a
        inc     dptr
        clr     a
        movx    @dptr,a
        inc     dptr
        movx    @dptr,a
        inc     dptr
        movx    @dptr,a
        mov     dptr,#%1
}

replace {
        mov     dptr,#%1
        clr     a
        inc     dptr
        movx    @dptr,a
        lcall   __decdptr
        movx    @dptr,a
} by {
        ;       Peephole 229   replaced inefficient 16 bit clear
        mov     dptr,#%1
        clr     a
        movx    @dptr,a
        inc     dptr
        movx    @dptr,a
        mov     dptr,#%1
}

replace {
        mov     dptr,#%1
        clr     a
        inc     dptr
        movx    @dptr,a
        lcall   __decdptr
        mov     a,#%2
        movx    @dptr,a
} by {
        ;       Peephole 230   replaced inefficient 16 constant
        mov     dptr,#%1
        mov     a,#%2
        movx    @dptr,a
        inc     dptr
        clr     a
        movx    @dptr,a
        mov     dptr,#%1
}

// this last peephole often removes the last mov from 227-230
replace {
        mov     dptr,#%1
        mov     dptr,#%2
} by {
        ;       Peephole 231   removed redundant mov to dptr
        mov     dptr,#%2
}

replace {
        movx    a,@dptr
} by {
        ;       Peephole 232   using movc to read xdata (--xram-movc)
        clr     a
        movc    a,@a+dptr
} if xramMovcOption

replace {
        lcall   _gptrget
} by {
        ;       Peephole 233   using _gptrgetc instead of _gptrget (--xram-movc)
        lcall   _gptrgetc
} if xramMovcOption

replace {
        mov     r%1,a
        mov     dpl,r%1
%2:
        ret
} by {
        ;       Peephole 234   loading dpl directly from a(ccumulator)
        mov     dpl,a
%2:
        ret
}

replace {
        mov     r%1,a
        mov     dpl,r%2
        mov     dph,r%1
%3:
        ret
} by {
        ;       Peephole 235   loading dph directly from a(ccumulator)
        mov     dpl,r%2
        mov     dph,a
%3:
        ret
}

// 14 rules by Fiorenzo D. Ramaglia <fd.ramaglia@tin.it>

replace {
        add  a,ar%1
} by {
        ;       Peephole 236a
        add  a,r%1
}

replace {
        addc  a,ar%1
} by {
        ;       Peephole 236b
        addc  a,r%1
}

replace {
        anl  a,ar%1
} by {
        ;       Peephole 236c
        anl  a,r%1
}

replace {
        dec  ar%1
} by {
        ;       Peephole 236d
        dec  r%1
}

replace {
        djnz  ar%1,%2
} by {
        ;       Peephole 236e
        djnz  r%1,%2
}

replace {
        inc  ar%1
} by {
        ;       Peephole 236f
        inc  r%1
}

replace {
        mov  a,ar%1
} by {
        ;       Peephole 236g
        mov  a,r%1
}

replace {
        mov  ar%1,#%2
} by {
        ;       Peephole 236h
        mov  r%1,#%2
}

replace {
        mov  ar%1,a
} by {
        ;       Peephole 236i
        mov  r%1,a
}

replace {
        mov  ar%1,ar%2
} by {
        ;       Peephole 236j
        mov  r%1,ar%2
}

replace {
        orl  a,ar%1
} by {
        ;       Peephole 236k
        orl  a,r%1
}

replace {
        subb  a,ar%1
} by {
        ;       Peephole 236l
        subb  a,r%1
}

replace {
        xch  a,ar%1
} by {
        ;       Peephole 236m
        xch  a,r%1
}

replace {
        xrl  a,ar%1
} by {
        ;       Peephole 236n
        xrl  a,r%1
}

replace {
        sjmp    %1
%2:
        mov     %3,%4
%1:
        ret
} by {
        ;       Peephole 237a  removed sjmp to ret
        ret
%2:
        mov     %3,%4
%1:
        ret
}

replace {
        sjmp    %1
%2:
        mov     %3,%4
        mov     dpl,%5
        mov     dph,%6
%1:
        ret
} by {
        ;       Peephole 237b  removed sjmp to ret
        ret
%2:
        mov     %3,%4
        mov     dpl,%5
        mov     dph,%6
%1:
        ret
}