const1 = { INT num; } 1 num.
const2 = { INT num; } 2 num.
+largeconst2 = { INT num; } 2 num. /* Word-sized constant with low byte zero */
smallpconst2 = { INT num; } 2 num. /* Byte-sized positive constant */
smallnconst2 = { INT num; } 2 num. /* Byte-sized negative constant */
label = { ADDR off; } 2 off.
reg1 = reg + lbreg + m.
b_d_h_sp = regpair + stackpointer.
b_d_h_psw = regpair + psword.
-immediate = smallpconst2 + smallnconst2 + const2 + label.
+immediate = largeconst2 + smallpconst2 + smallnconst2 + const2 + label.
src1 = reg.
src2 = hl_or_de + const2 + label.
src1or2 = src1 + src2.
+anyreg = reg + regpair.
INSTRUCTIONS
/* aci const1:ro kills a:cc cost(2, 7). */
adc reg1:ro kills a:cc cost(1, 4).
add reg1:ro kills a:cc cost(1, 4).
-/* adi const1:ro kills a:cc cost(2, 7). */
+ adi const1:ro kills a:cc cost(2, 7).
ana reg1:ro kills a:cc cost(1, 4).
ani const1:ro kills a:cc cost(2, 7).
Call "call" label:ro cost(3,17).
xri const1:ro kills a:cc cost(2, 7).
xthl kills hl cost(1,18).
+ kill anyreg:rw kills :cc cost(0, 0).
MOVES
from hl_or_de yields %1.2
+ from largeconst2
+ yields {const2, %1.num}
+
from smallpconst2
yields {const2, %1.num}
uses hl_or_de=%1
yields %a
+ from largeconst2
+ uses hl_or_de=%1
+ yields %a
+
from smallpconst2
uses reg={const1, %1.num & 0xff}
yields %a
/* Group 1: Load instructions */
/*********************************************/
+pat loc ($1 != 0) && (($1 & 0xff) == 0)
+ yields {largeconst2, $1}
+
pat loc ufit($1, 8)
yields {smallpconst2, $1}
/****************************************/
pat adi $1==2
+ with hl_or_de largeconst2
+ uses areg
+ gen
+ mov a, %1.1
+ adi {const1, %2.num >> 8}
+ mov %1.1, a
+ kill a
+ yields %1
+ with largeconst2 hl_or_de
+ yields %1 %2
+ leaving
+ adi 2
with hlreg dereg
gen
dad de
yields %2 {const2, 0-%1.num}
leaving
adi 2
+ with largeconst2 hl_or_de
+ yields %2 {largeconst2, 0-%1.num}
+ leaving
+ adi 2
+ with smallpconst2 hl_or_de
+ yields %2 {smallnconst2, 0-%1.num}
+ leaving
+ adi 2
with smallnconst2 hl_or_de
yields %2 {smallpconst2, 0-%1.num}
leaving
mvi a, {const1, %2.num >> 8}
sbb %1.1
mov %1.1, a
+ kill a
yields %1
with hl_or_de hl_or_de
uses areg
mov a,%2.1
sbb %1.1
mov %1.1,a
+ kill a
yields %1
with hl_or_de hl_or_de
uses areg
mov a,%2.1
sbb %1.1
mov %2.1,a
+ kill a
yields %2
pat sbi $1==4
mov a, %1.2
ani {const1, %2.num & 0xff}
mov %1.2, a
+ kill a
yields %1
with smallnconst2 hl_or_de
yields %1 %2
mov a, %1.2
ani {const1, %2.num & 0xff}
mov %1.2, a
+ kill a
mov a, %1.1
ani {const1, %2.num >> 8}
mov %1.1, a
+ kill a
yields %1
with const2 hl_or_de
yields %1 %2
mov a, %1.2
ana %2.2
mov %2.2, a
+ kill a
mov a, %1.1
ana %2.1
mov %2.1, a
+ kill a
yields %2
with hl_or_de hl_or_de
uses areg
mov a,%1.2
ana %2.2
mov %1.2,a
+ kill a
mov a,%1.1
ana %2.1
mov %1.1,a
+ kill a
yields %1
pat and defined($1)
mov a, %1.2
ori {const1, %2.num & 0xff}
mov %1.2, a
+ kill a
yields %1
with smallpconst2 hl_or_de
yields %1 %2
mov a, %1.2
ori {const1, %2.num & 0xff}
mov %1.2, a
+ kill a
move {const1, 0xff}, %1.1
yields %1
with smallnconst2 hl_or_de
mov a, %1.2
ori {const1, %2.num & 0xff}
mov %1.2, a
+ kill a
mov a, %1.1
ori {const1, %2.num >> 8}
mov %1.1, a
+ kill a
yields %1
with const2 hl_or_de
yields %1 %2
mov a, %1.2
ora %2.2
mov %2.2, a
+ kill a
mov a, %1.1
ora %2.1
mov %2.1, a
+ kill a
yields %2
with hl_or_de hl_or_de
uses areg
mov a,%1.2
ora %2.2
mov %1.2,a
+ kill a
mov a,%1.1
ora %2.1
mov %1.1,a
+ kill a
yields %1
pat ior defined($1)
mov a, %1.2
xri {const1, %2.num & 0xff}
mov %1.2, a
+ kill a
yields %1
with smallpconst2 hl_or_de
yields %1 %2
mov a, %1.2
xri {const1, %2.num & 0xff}
mov %1.2, a
+ kill a
mov a, %1.1
xri {const1, %2.num >> 8}
mov %1.1, a
+ kill a
yields %1
with const2 hl_or_de
yields %1 %2
mov a, %1.2
xra %2.2
mov %2.2, a
+ kill a
mov a, %1.1
xra %2.1
mov %2.1, a
+ kill a
yields %2
with hl_or_de hl_or_de
uses areg
mov a,%1.2
xra %2.2
mov %1.2,a
+ kill a
mov a,%1.1
xra %2.1
mov %1.1,a
+ kill a
yields %1
pat xor defined($1)
gen mov a,%1.2
cma.
mov %1.2,a
+ kill a
mov a,%1.1
cma.
mov %1.1,a yields %1
push h : lhld X : pop d -> xchg : lhld X ;
+X -1 -> X 255 ;
+X -2 -> X 254 ;
+X -3 -> X 253 ;
+X -4 -> X 252 ;
+
+mov a, X : adi -4 : mov X, a : kill a -> dcr X : dcr X : dcr X : dcr X;
+mov a, X : adi -3 : mov X, a : kill a -> dcr X : dcr X : dcr X ;
+mov a, X : adi -2 : mov X, a : kill a -> dcr X : dcr X ;
+mov a, X : adi -1 : mov X, a : kill a -> dcr X ;
+mov a, X : adi 0 : mov X, a : kill a -> ;
+mov a, X : adi 1 : mov X, a : kill a -> inr X ;
+mov a, X : adi 2 : mov X, a : kill a -> inr X : inr X ;
+mov a, X : adi 3 : mov X, a : kill a -> inr X : inr X : inr X ;
+mov a, X : adi 4 : mov X, a : kill a -> inr X : inr X : inr X : inr X;
+
+mov a, X : sbi -4 : mov X, a : kill a -> inr X : inr X : inr X : inr X;
+mov a, X : sbi -3 : mov X, a : kill a -> inr X : inr X : inr X ;
+mov a, X : sbi -2 : mov X, a : kill a -> inr X : inr X ;
+mov a, X : sbi -1 : mov X, a : kill a -> inr X ;
+mov a, X : sbi 0 : mov X, a : kill a -> ;
+mov a, X : sbi 1 : mov X, a : kill a -> dcr X ;
+mov a, X : sbi 2 : mov X, a : kill a -> dcr X : dcr X ;
+mov a, X : sbi 3 : mov X, a : kill a -> dcr X : dcr X : dcr X ;
+mov a, X : sbi 4 : mov X, a : kill a -> dcr X : dcr X : dcr X : dcr X ;
+
+mov a, X : ani 0 : mov X, a : kill a -> mvi X, 0 ;
+mov a, X : ani 255 : mov X, a : kill a -> ;
+
+mov a, X : ori 0 : mov X, a : kill a -> ;
+mov a, X : ori 255 : mov X, a : kill a -> mvi X, 255 ;
+
+mov a, X : xri 0 : mov X, a : kill a -> ;
+
%%;
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