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extra asmvars now also moved into BSS section instead of taking up space inline

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Irmen de Jong 2023-03-25 00:00:29 +01:00
parent 1b81c7fb22
commit c8b2c8ae50
2 changed files with 10 additions and 14 deletions
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22
codeGenCpu6502/src/prog8/codegen/cpu6502/ProgramAndVarsGen.kt
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@ -358,31 +358,29 @@ internal class ProgramAndVarsGen(
sub.children.forEach { asmgen.translate(it) }
asmgen.out("; variables")
asmgen.out(" .section BSS")
val asmGenInfo = asmgen.subroutineExtra(sub)
// TODO move these to BSS as well
for((dt, name, addr) in asmGenInfo.extraVars) {
if(addr!=null)
asmgen.out("$name = $addr")
else when(dt) {
DataType.UBYTE -> asmgen.out("$name .byte 0")
DataType.UWORD -> asmgen.out("$name .word 0")
DataType.FLOAT -> {
require(options.compTarget.machine.FLOAT_MEM_SIZE==5)
asmgen.out("$name .byte 0,0,0,0,0")
}
DataType.UBYTE -> asmgen.out("$name .byte ?")
DataType.UWORD -> asmgen.out("$name .word ?")
DataType.FLOAT -> asmgen.out("$name .fill ${options.compTarget.machine.FLOAT_MEM_SIZE}")
else -> throw AssemblyError("weird dt for extravar $dt")
}
}
if(asmGenInfo.usedRegsaveA) // will probably never occur
asmgen.out("prog8_regsaveA .byte 0")
asmgen.out("prog8_regsaveA .byte ?")
if(asmGenInfo.usedRegsaveX)
asmgen.out("prog8_regsaveX .byte 0")
asmgen.out("prog8_regsaveX .byte ?")
if(asmGenInfo.usedRegsaveY)
asmgen.out("prog8_regsaveY .byte 0")
asmgen.out("prog8_regsaveY .byte ?")
if(asmGenInfo.usedFloatEvalResultVar1)
asmgen.out("$subroutineFloatEvalResultVar1 .byte 0,0,0,0,0")
asmgen.out("$subroutineFloatEvalResultVar1 .fill ${options.compTarget.machine.FLOAT_MEM_SIZE}")
if(asmGenInfo.usedFloatEvalResultVar2)
asmgen.out("$subroutineFloatEvalResultVar2 .byte 0,0,0,0,0")
asmgen.out("$subroutineFloatEvalResultVar2 .fill ${options.compTarget.machine.FLOAT_MEM_SIZE}")
asmgen.out(" .send BSS")
// normal statically allocated variables
val variables = varsInSubroutine

2
docs/source/todo.rst
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@ -3,8 +3,6 @@ TODO
RPN: swirl is MUCH slower
RPN: wizzine is slower
- Move asmExtra vars into BSS as well, now are .byte 0 allocated
then:
RPN: swirl is bigger
RPN: petaxian is 900 bytes larger, chess is a lot bigger