/************************************************************/
/************************************************************/
-
rcsid = "$Id$"
EM_WSIZE = 2
reg /* the free registers */
regpair /* register pairs bc, de and hl */
regind /* register indirect */
+bcreg /* bc-register-pair */
dereg /* de-register-pair */
hlreg /* hl-register-pair */
hl_or_de /* de- or hl-register-pair */
a :areg,reg.
b,c :lbreg.
d,e,h,l :reg.
-lb("b")=b+c :regpair, localbase, regind.
+bc("b")=b+c :regpair, regind, bcreg.
de("d")=d+e :regpair, regind, dereg, hl_or_de.
hl("h")=h+l :regpair, hlreg, hl_or_de.
sp :stackpointer.
smallconst2 = { INT num; } 2 num.
label = { ADDR off; } 2 off.
m = { } 2 cost(0,3) "m".
+fp = { } 2.
SETS
gen mov %2.1,%1.1
mov %2.2,%1.2
+from fp to hlreg
+ gen
+ lhld {label, ".fp"}
+
TESTS
to test areg /* dummy test, never used */
#endif
pat lol
- uses hlreg={const2, $1}, dereg
- gen
- dad lb
- mov e,{m}
- inx hl
- mov d,{m}
- yields de
+ uses hlreg={fp}, regpair={const2, $1}
+ gen
+ dad %b
+ mov %b.2, {m}
+ inx hl
+ mov %b.1, {m}
+ yields %b
pat loe
uses hlreg
#endif
pat lal
- uses hlreg={const2,$1}
+ uses hlreg={fp}, regpair={const2,$1}
gen
- dad lb
+ dad %b
yields hl
pat lae
yields {label,$1}
pat lxl $1==0
- yields lb
+ uses hlreg={fp}
+ yields hl
pat lxl $1==1
leaving
loi 2
pat lxl $1>1 && $1<256
-uses dereg, areg={const1,$1}, hlreg
-gen move lb,de
- 1:
- lxi hl,{const2,SL}
- dad de
- mov e,{m}
- inx hl
- mov d,{m}
- dcr a
- jnz {label,1b} yields de
+ uses dereg, areg={const1,$1}, hlreg={fp}
+ gen
+ xchg.
+ 1:
+ lxi hl,{const2,SL}
+ dad de
+ mov e,{m}
+ inx hl
+ mov d,{m}
+ dcr a
+ jnz {label,1b}
+ yields de
pat lxa $1==0
- uses hlreg
+ uses hlreg={fp}, regpair={const2, SL}
gen
- move {const2,SL},hl
- dad lb
+ dad %b
yields hl
pat lxa $1==1
-uses dereg, hlreg
-gen move {const2,SL},hl
- dad lb
- mov e,{m}
- inx hl
- mov d,{m}
- lxi hl,{const2,SL}
- dad de yields hl
+ uses dereg={const2, SL}, hlreg={fp}
+ gen
+ dad de
+ mov e,{m}
+ inx hl
+ mov d,{m}
+ lxi hl,{const2,SL}
+ dad de
+ yields hl
pat lxa $1>1 && $1<256
-uses dereg, hlreg, areg={const1,$1}
-gen move lb,de
- 1:
- lxi hl,{const2,SL}
- dad de
- mov e,{m}
- inx hl
- mov d,{m}
- dcr a
- jnz {label,1b}
- lxi hl,{const2,SL}
- dad de yields hl
+ uses dereg, hlreg={fp}, areg={const1,$1}
+ gen
+ xchg.
+ 1:
+ lxi hl,{const2,SL}
+ dad de
+ mov e,{m}
+ inx hl
+ mov d,{m}
+ dcr a
+ jnz {label,1b}
+ lxi hl,{const2,SL}
+ dad de
+ yields hl
pat loi $1==1
with exact label
mov l,a yields hl de
pat loi $1<=510
-with hl_or_de STACK
-uses hl_or_de={const2,$1-1}, areg
-gen dad de
- mvi a,{const1,$1/2}
- 1:
- mov d,{m}
- dcx hl
- mov e,{m}
- dcx hl
- push de
- dcr a
- jnz {label,1b}
+ with hl_or_de STACK
+ uses hl_or_de={const2,$1-1}, areg
+ gen
+ dad de
+ mvi a,{const1,$1/2}
+ 1:
+ mov d,{m}
+ dcx hl
+ mov e,{m}
+ dcx hl
+ push de
+ dcr a
+ jnz {label,1b}
pat loi $1>=512
kills ALL
#ifdef USE_I80_RSTS
pat stl sfit($1, 8)
- with dereg
- uses hlreg, areg
+ with bcreg
+ uses hlreg, dereg, areg
gen
rst {const1, 2}
data1 {const1, $1}
#endif
pat stl
- with dereg
- uses hlreg={const2, $1}
+ with regpair
+ uses hlreg={fp}, regpair={const2, $1}
gen
- dad lb
- mov {m}, e
+ dad %b
+ mov {m}, %1.2
inx hl
- mov {m}, d
+ mov {m}, %1.1
pat ste loe $1==$2
with hlreg yields hl hl leaving ste $1
#ifdef USE_I80_RSTS
pat inl sfit($1, 8)
- uses hlreg, areg
+ uses hlreg, dereg, areg
gen
rst {const1, 3}
data1 {const1, $1}
#endif
pat inl
- uses hlreg={const2,$1}
+ uses hlreg={fp}, regpair={const2, $1}
gen
- dad lb
+ dad %b
inr {m}
jnz {label,1f}
inx hl
#endif
pat del
- uses hlreg={const2,$1}, dereg
- gen dad lb
- mov e,{m}
+ uses hlreg={fp}, regpair={const2,$1}
+ gen
+ dad %b
+ mov %b.2, {m}
inx hl
- mov d,{m}
- dcx de
- mov {m},d
+ mov %b.1, {m}
+ dcx %b
+ mov {m}, %b.1
dcx hl
- mov {m},e
+ mov {m}, %b.2
pat dee
uses hlreg
#ifdef USE_I80_RSTS
pat zrl sfit($1, 8)
- uses hlreg, areg
+ uses hlreg, dereg, areg
gen
rst {const1, 3}
data1 {const1, $1}
#endif
pat zrl
- uses hlreg={const2,$1}, areg
+ uses hlreg={fp}, regpair={const2,$1}, areg
gen
- dad lb
+ dad %b
xra a
mov {m},a
inx hl
#ifdef USE_I80_RSTS
pat lol zeq sfit($1, 8)
with STACK
- uses hlreg, areg
+ uses hlreg, dereg, areg
gen
rst {const1, 3}
data1 {const1, $1}
pat lol zeq
with STACK
- uses hlreg={const2,$1}, areg
+ uses hlreg={fp}, regpair={const2,$1}, areg
gen
- dad lb
+ dad %b
mov a,{m}
inx hl
ora {m}
#ifdef USE_I80_RSTS
pat lol zne sfit($1, 8)
with STACK
- uses hlreg, areg
+ uses hlreg, dereg, areg
gen
rst {const1, 3}
data1 {const1, $1}
pat lol zne
with STACK
- uses hlreg={const2,$1}, areg
- gen
- dad lb
- mov a,{m}
- inx hl
- ora {m}
- jnz {label,$2}
+ uses hlreg={fp}, regpair={const2,$1}, areg
+ gen
+ dad %b
+ mov a,{m}
+ inx hl
+ ora {m}
+ jnz {label,$2}
pat ior zeq $1==2
with hl_or_de hl_or_de STACK
gen shld {label,"hol0"+4}
pat gto
-with STACK
-gen lhld {label,$1+2}
- sphl.
- lhld {label,$1+4}
- move hl,lb
- lhld {label,$1}
- pchl.
+ with STACK
+ gen
+ lhld {label, $1+4}
+ shld {label, ".fp"}
+ lhld {label, $1+2}
+ sphl.
+ lhld {label, $1}
+ pchl.
pat lim
uses hlreg
inx hl
shld {label,"hol0"}
-pat lor $1==0 yields lb
+pat lor $1==0
+ uses hlreg={fp}
+ yields hl
pat lor $1==1
with STACK
gen shld {label,".ignmask"}
pat str $1==0
-with localbase
+ with hlreg
+ gen
+ shld {label, ".fp"}
pat str $1==1
with hlreg
public / ack.git / commitdiff