mirror of
https://github.com/irmen/prog8.git
synced 2024-12-26 14:29:35 +00:00
rest of optimizations following simplification of array indexer
This commit is contained in:
Irmen de Jong
parent
82a28bb555
commit
1a36302cf1
@ -208,17 +208,6 @@ pop_float_fac2 .proc
|
||||
jmp CONUPK
|
||||
.pend
|
||||
|
||||
pop_float_to_indexed_var .proc
|
||||
; -- pop the float on the stack, to the memory in the array at A/Y indexed by the byte on stack
|
||||
sta P8ZP_SCRATCH_W1
|
||||
sty P8ZP_SCRATCH_W1+1
|
||||
jsr prog8_lib.pop_index_times_5
|
||||
jsr prog8_lib.add_a_to_zpword
|
||||
lda P8ZP_SCRATCH_W1
|
||||
ldy P8ZP_SCRATCH_W1+1
|
||||
jmp pop_float
|
||||
.pend
|
||||
|
||||
copy_float .proc
|
||||
; -- copies the 5 bytes of the mflt value pointed to by SCRATCH_ZPWORD1,
|
||||
; into the 5 bytes pointed to by A/Y. Clobbers A,Y.
|
||||
@ -707,13 +696,12 @@ sign_f .proc
|
||||
|
||||
|
||||
set_0_array_float .proc
|
||||
; -- set a float in an array to zero (index on stack, array in SCRATCH_ZPWORD1)
|
||||
inx
|
||||
lda P8ESTACK_LO,x
|
||||
; -- set a float in an array to zero (index in A, array in P8ZP_SCRATCH_W1)
|
||||
sta P8ZP_SCRATCH_B1
|
||||
asl a
|
||||
asl a
|
||||
clc
|
||||
adc P8ESTACK_LO,x
|
||||
adc P8ZP_SCRATCH_B1
|
||||
tay
|
||||
lda #0
|
||||
sta (P8ZP_SCRATCH_W1),y
|
||||
@ -730,13 +718,12 @@ set_0_array_float .proc
|
||||
|
||||
|
||||
set_array_float .proc
|
||||
; -- set a float in an array to a value (index on stack, float in SCRATCH_ZPWORD1, array in SCRATCH_ZPWORD2)
|
||||
inx
|
||||
lda P8ESTACK_LO,x
|
||||
; -- set a float in an array to a value (index in A, float in P8ZP_SCRATCH_W1, array in P8ZP_SCRATCH_W2)
|
||||
sta P8ZP_SCRATCH_B1
|
||||
asl a
|
||||
asl a
|
||||
clc
|
||||
adc P8ESTACK_LO,x
|
||||
adc P8ZP_SCRATCH_B1
|
||||
adc P8ZP_SCRATCH_W2
|
||||
ldy P8ZP_SCRATCH_W2+1
|
||||
bcc +
|
||||
|
||||
@ -40,16 +40,6 @@ add_a_to_zpword .proc
|
||||
+ rts
|
||||
.pend
|
||||
|
||||
pop_index_times_5 .proc
|
||||
inx
|
||||
lda P8ESTACK_LO,x
|
||||
asl a
|
||||
asl a
|
||||
clc
|
||||
adc P8ESTACK_LO,x
|
||||
rts
|
||||
.pend
|
||||
|
||||
neg_b .proc
|
||||
lda #0
|
||||
sec
|
||||
|
||||
@ -529,15 +529,23 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
|
||||
""")
|
||||
}
|
||||
TargetStorageKind.ARRAY -> {
|
||||
// TODO optimize this (array indexer is just a simple number or variable), but the situation doesn't occur very often ****************************************
|
||||
// if(target.constArrayIndexValue!=null) {
|
||||
// TODO("const index ${target.constArrayIndexValue}")
|
||||
// } else if(target.array!!.arrayspec.index is IdentifierReference) {
|
||||
// TODO("array[var] ${target.constArrayIndexValue}")
|
||||
// }
|
||||
asmgen.out(" lda #<$sourceName | ldy #>$sourceName | jsr floats.push_float")
|
||||
asmgen.translateExpression(target.array!!.indexer)
|
||||
asmgen.out(" lda #<${target.asmVarname} | ldy #>${target.asmVarname} | jsr floats.pop_float_to_indexed_var")
|
||||
asmgen.out("""
|
||||
lda #<$sourceName
|
||||
ldy #>$sourceName
|
||||
sta P8ZP_SCRATCH_W1
|
||||
sty P8ZP_SCRATCH_W1+1
|
||||
lda #<${target.asmVarname}
|
||||
ldy #>${target.asmVarname}
|
||||
sta P8ZP_SCRATCH_W2
|
||||
sty P8ZP_SCRATCH_W2+1""")
|
||||
if(target.array!!.indexer.indexNum!=null) {
|
||||
val index = target.array.indexer.constIndex()!!
|
||||
asmgen.out(" lda #$index")
|
||||
} else {
|
||||
val asmvarname = asmgen.asmVariableName(target.array.indexer.indexVar!!)
|
||||
asmgen.out(" lda $asmvarname")
|
||||
}
|
||||
asmgen.out(" jsr floats.set_array_float")
|
||||
}
|
||||
TargetStorageKind.MEMORY -> throw AssemblyError("can't assign float to mem byte")
|
||||
TargetStorageKind.REGISTER -> throw AssemblyError("can't assign float to register")
|
||||
@ -824,18 +832,8 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
|
||||
throw AssemblyError("no asm gen for assign word $word to memory ${target.memory}")
|
||||
}
|
||||
TargetStorageKind.ARRAY -> {
|
||||
// TODO optimize this (array indexer is just a simple number or variable), but the situation doesn't occur very often ****************************************
|
||||
// if(target.constArrayIndexValue!=null) {
|
||||
// TODO("const index ${target.constArrayIndexValue}")
|
||||
// } else if(target.array!!.arrayspec.index is IdentifierReference) {
|
||||
// TODO("array[var] ${target.constArrayIndexValue}")
|
||||
// }
|
||||
asmgen.translateExpression(target.array!!.indexer)
|
||||
asmgen.loadScaledArrayIndexIntoRegister(target.array!!, DataType.UWORD, CpuRegister.Y)
|
||||
asmgen.out("""
|
||||
inx
|
||||
lda P8ESTACK_LO,x
|
||||
asl a
|
||||
tay
|
||||
lda #<${word.toHex()}
|
||||
sta ${target.asmVarname},y
|
||||
lda #>${word.toHex()}
|
||||
@ -931,13 +929,13 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
|
||||
sta ${target.asmVarname}+$indexValue+4
|
||||
""")
|
||||
} else {
|
||||
// TODO optimize this (don't use stack eval) as the indexer is only a simple variable ****************************************
|
||||
asmgen.translateExpression(target.array.indexer.indexVar!!)
|
||||
val asmvarname = asmgen.asmVariableName(target.array.indexer.indexVar!!)
|
||||
asmgen.out("""
|
||||
lda #<${target.asmVarname}
|
||||
sta P8ZP_SCRATCH_W1
|
||||
lda #>${target.asmVarname}
|
||||
sta P8ZP_SCRATCH_W1+1
|
||||
lda $asmvarname
|
||||
jsr floats.set_0_array_float
|
||||
""")
|
||||
}
|
||||
@ -984,8 +982,7 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
|
||||
sta $arrayVarName+$indexValue+4
|
||||
""")
|
||||
} else {
|
||||
// TODO optimize this (don't use stack eval) as the indexer is only a simple variable ****************************************
|
||||
asmgen.translateExpression(target.array.indexer.indexVar!!)
|
||||
val asmvarname = asmgen.asmVariableName(target.array.indexer.indexVar!!)
|
||||
asmgen.out("""
|
||||
lda #<${constFloat}
|
||||
sta P8ZP_SCRATCH_W1
|
||||
@ -995,6 +992,7 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
|
||||
sta P8ZP_SCRATCH_W2
|
||||
lda #>${arrayVarName}
|
||||
sta P8ZP_SCRATCH_W2+1
|
||||
lda $asmvarname
|
||||
jsr floats.set_array_float
|
||||
""")
|
||||
}
|
||||
|
||||
@ -7,25 +7,27 @@ main {
|
||||
|
||||
sub start() {
|
||||
|
||||
uword vv = $1111
|
||||
uword vv2
|
||||
vv2 = vv2+(vv/2)
|
||||
vv2 = vv2+(vv - 1)
|
||||
vv2 = vv2+(vv + $0200)
|
||||
vv2 = vv2+(vv - $0400)
|
||||
txt.print_uw(vv2)
|
||||
txt.chrout('\n')
|
||||
uword[] array = [1, 2, 3]
|
||||
uword fzero = 0.0
|
||||
uword fnine = 9999
|
||||
array[0] = 0
|
||||
ubyte ii = 1
|
||||
array[ii] = 0
|
||||
|
||||
word ww = -$1111
|
||||
word ww2 = 0
|
||||
ww2 = ww2 + ww + $0200
|
||||
ww2 = ww2 +ww - $0400
|
||||
txt.print_w(ww2)
|
||||
uword ff
|
||||
for ii in 0 to len(array)-1 {
|
||||
txt.print_uw(array[ii])
|
||||
txt.chrout('\n')
|
||||
ww2= ww2 + ww + -$0200
|
||||
ww2= ww2 + ww - -$0400
|
||||
txt.print_w(ww2)
|
||||
}
|
||||
|
||||
array[0] = 9
|
||||
ii = 1
|
||||
array[ii] = 9
|
||||
|
||||
for ii in 0 to len(array)-1 {
|
||||
txt.print_uw(array[ii])
|
||||
txt.chrout('\n')
|
||||
}
|
||||
|
||||
testX()
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user