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Added patterns to improve code for getc() and putc()

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ceriel 1991-03-27 15:47:50 +00:00
parent 8a25f4e66b
commit cafd4a0497
1 changed files with 133 additions and 9 deletions
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142
mach/i86/ncg/table
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@ -1661,6 +1661,33 @@ pat loe lof and loe stf $1==$4 && $2==$5 && $3==2 call lefxxxsef("and")
pat loe lof ior loe stf $1==$4 && $2==$5 && $3==2 call lefxxxsef("or")
pat loe lof xor loe stf $1==$4 && $2==$5 && $3==2 call lefxxxsef("xor")
proc leiuxxsei example loe loi inc loe sti
kills referals
uses ADDREG={EXTERN2,$1}
gen uxx* {ind_reg2, %a}
killreg %a
pat loe loi ngi loe sti $1==$4 && $2==2 && $5==2 && $3==2
call leiuxxsei("neg")
pat loe loi com loe sti $1==$4 && $2==2 && $5==2 && $3==2
call leiuxxsei("not")
pat loe loi dec loe sti $1==$4 && $2==2 && $5==2 call leiuxxsei("dec")
pat loe loi inc loe sti $1==$4 && $2==2 && $5==2 call leiuxxsei("inc")
proc leixxxsei example loe loi adi loe sti
with regorconstnoaddr
kills referals
uses ADDREG={EXTERN2,$1}
gen axx* {ind_reg2, %a}, %1
killreg %a
pat loe loi adi loe sti $1==$4 && $2==$5 && $2==2 && $3==2 call leixxxsei("add")
pat loe loi adu loe sti $1==$4 && $2==$5 && $2==2 && $3==2 call leixxxsei("add")
pat loe loi ads loe sti $1==$4 && $2==$5 && $2==2 && $3==2 call leixxxsei("add")
pat loe loi and loe sti $1==$4 && $2==$5 && $2==2 && $3==2 call leixxxsei("and")
pat loe loi ior loe sti $1==$4 && $2==$5 && $2==2 && $3==2 call leixxxsei("or")
pat loe loi xor loe sti $1==$4 && $2==$5 && $2==2 && $3==2 call leixxxsei("xor")
#ifdef REGVARS
proc lolcrxxstl example lol loc sbi stl
kills regvar($1)
@ -1839,7 +1866,8 @@ pat lol lof adp lol stf $1==$4 && $2==$5 && $3==1
leaving lol $1 lof $2 inc lol $4 stf $5
pat lol lof adp lol stf $1==$4 && $2==$5 && $3==(0-1)
leaving lol $1 lof $2 dec lol $4 stf $5
pat lol lof adp lol stf $1==$4 && $2==$5
leaving loc $3 lol $1 lof $2 adi 2 lol $4 stf $5
#ifdef REGVARS
pat lol lof lol lof adp lol stf
@ -1859,10 +1887,98 @@ pat lol lof lol lof dec lol stf
uses REG={ind_regoff2, regvar($1), $2}
yields %a
leaving lol $1 lof $2 dec lol $6 stf $7
pat lol lof dup adp lol stf
$1==$5 && $2==$6 && $3==2 && inreg($1)==reg_any
uses ADDREG={ind_regoff2, regvar($1), $2}
yields %a
leaving lol $1 lof $2 adp $4 lol $1 stf $2
pat lol lof dup inc lol stf
$1==$5 && $2==$6 && $3==2 && inreg($1)==reg_any
uses REG={ind_regoff2, regvar($1), $2}
yields %a
leaving lol $1 lof $2 inc lol $1 stf $2
pat lol lof dup dec lol stf
$1==$5 && $2==$6 && $3==2 && inreg($1)==reg_any
uses REG={ind_regoff2, regvar($1), $2}
yields %a
leaving lol $1 lof $2 dec lol $1 stf $2
#endif
pat lol lof adp lol stf $1==$4 && $2==$5
leaving loc $3 lol $1 lof $2 adi 2 lol $4 stf $5
pat lol lof dup adp lol stf
$1==$5 && $2==$6 && $3==2 && $4==1
kills referals
uses ADDREG={LOCAL,$1,2}, REG
gen move {ind_regoff2, %a, $2},%b
inc {ind_regoff2, %a, $2}
yields %b
pat loe lof dup adp loe stf
$1==$5 && $2==$6 && $3==2 && $4==1
kills referals
uses ADDREG={EXTERN2,$1}, REG
gen move {ind_regoff2, %a, $2},%b
inc {ind_regoff2, %a, $2}
yields %b
pat loe loi dup adp loe sti
$1==$5 && $2==$6 && $3==2 && $2==2 && $4==1
kills referals
uses ADDREG={EXTERN2,$1}, REG
gen move {ind_reg2, %a},%b
inc {ind_reg2, %a}
yields %b
pat lol lof dup adp lol stf
$1==$5 && $2==$6 && $3==2 && $4==(0-1)
kills referals
uses ADDREG={LOCAL,$1,2}, REG
gen move {ind_regoff2, %a, $2},%b
dec {ind_regoff2, %a, $2}
yields %b
pat loe lof dup adp loe stf
$1==$5 && $2==$6 && $3==2 && $4==(0-1)
kills referals
uses ADDREG={EXTERN2,$1}, REG
gen move {ind_regoff2, %a, $2},%b
dec {ind_regoff2, %a, $2}
yields %b
pat loe loi dup adp loe sti
$1==$5 && $2==$6 && $3==2 && $2==2 && $4==(0-1)
kills referals
uses ADDREG={EXTERN2,$1}, REG
gen move {ind_reg2, %a},%b
dec {ind_reg2, %a}
yields %b
pat lol lof dup adp lol stf
$1==$5 && $2==$6 && $3==2
kills referals
uses ADDREG={LOCAL,$1,2}, REG
gen move {ind_regoff2, %a, $2},%b
add {ind_regoff2, %a, $2}, {ANYCON, $4}
yields %b
pat loe lof dup adp loe stf
$1==$5 && $2==$6 && $3==2
kills referals
uses ADDREG={EXTERN2,$1}, REG
gen move {ind_regoff2, %a, $2},%b
add {ind_regoff2, %a, $2}, {ANYCON, $4}
yields %b
pat loe loi dup adp loe sti
$1==$5 && $2==$6 && $3==2 && $2==2
kills referals
uses ADDREG={EXTERN2,$1}, REG
gen move {ind_reg2, %a},%b
add {ind_reg2, %a}, {ANYCON, $4}
yields %b
pat loe ngi ste $1==$3 && $2==2
kills indirects
@ -1895,14 +2011,19 @@ kills indirects
gen not {EXTERN2, $1}
pat loe lof adp loe stf $1==$4 && $2==$5 && $3==1
leaving loe $1 lof $2 inc loe $1 stf $2
leaving loe $1 lof $2 inc loe $1 stf $2
pat loe lof adp loe stf $1==$4 && $2==$5 && $3==0-1
leaving loe $1 lof $2 dec loe $1 stf $2
leaving loe $1 lof $2 dec loe $1 stf $2
pat loe lof adp loe stf $1==$4 && $2==$5
leaving loc $3 loe $1 lof $2 adi 2 loe $1 stf $2
leaving loc $3 loe $1 lof $2 adi 2 loe $1 stf $2
pat loe loi adp loe sti $1==$4 && $2==$5 && $3==1 && $2==2
leaving loe $1 loi $2 inc loe $1 sti $2
pat loe loi adp loe sti $1==$4 && $2==$5 && $3==0-1 && $2==2
leaving loe $1 loi $2 dec loe $1 sti $2
pat loe loi adp loe sti $1==$4 && $2==$5 && $2==2
leaving loc $3 loe $1 loi $2 adi 2 loe $1 sti $2
/*******************************************************************
* Group 8: Convert Instructions *
*******************************************************************/
@ -2038,6 +2159,9 @@ with rmorconst REG
pat loc and $1==65535 && $2==2
pat loc and $1==255 && $2==2
with GENREG yields %1.1
pat loc and $1==0 && $2==2 leaving asp 2 loc 0
pat and $1==4