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don't stript unused asmsub definitions
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2e928bd3c2
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@ -56,9 +56,10 @@ internal class StatementOptimizer(private val program: Program,
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}
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}
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if(subroutine !in callgraph.usedSymbols && !forceOutput) {
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if(subroutine !in callgraph.usedSymbols && !forceOutput) {
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if(!subroutine.isAsmSubroutine)
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if(!subroutine.isAsmSubroutine) {
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errors.warn("removing unused subroutine '${subroutine.name}'", subroutine.position)
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errors.warn("removing unused subroutine '${subroutine.name}'", subroutine.position)
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return listOf(IAstModification.Remove(subroutine, subroutine.definingScope()))
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return listOf(IAstModification.Remove(subroutine, subroutine.definingScope()))
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}
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}
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}
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return noModifications
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return noModifications
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@ -25,6 +25,7 @@ internal class UnusedCodeRemover(private val program: Program,
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val removals = mutableListOf<IAstModification>()
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val removals = mutableListOf<IAstModification>()
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// remove all subroutines that aren't called, or are empty
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// remove all subroutines that aren't called, or are empty
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// NOTE: part of this is also done already in the StatementOptimizer
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val entrypoint = program.entrypoint()
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val entrypoint = program.entrypoint()
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program.modules.forEach {
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program.modules.forEach {
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callgraph.forAllSubroutines(it) { sub ->
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callgraph.forAllSubroutines(it) { sub ->
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@ -2,8 +2,6 @@
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TODO
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TODO
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====
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====
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- add cx16.vsave() to be able to make screenshots? (there's no kernal routine for this)
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- optimize several inner loops in gfx2
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- optimize several inner loops in gfx2
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- hoist all variable declarations up to the subroutine scope *before* even the constant folding takes place (to avoid undefined symbol errors when referring to a variable from another nested scope in the subroutine)
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- hoist all variable declarations up to the subroutine scope *before* even the constant folding takes place (to avoid undefined symbol errors when referring to a variable from another nested scope in the subroutine)
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- optimize swap of two memread values with index, using the same pointer expression/variable, like swap(@(ptr+1), @(ptr+2))
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- optimize swap of two memread values with index, using the same pointer expression/variable, like swap(@(ptr+1), @(ptr+2))
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@ -13,7 +11,7 @@ TODO
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- refactor the asmgen into their own submodule?
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- refactor the asmgen into their own submodule?
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- refactor the compiler optimizers into their own submodule?
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- refactor the compiler optimizers into their own submodule?
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- optimizer: detect variables that are written but never read - mark those as unused too and remove them, such as uword unused = memory("unused222", 20) - also remove the memory slab allocation
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- optimizer: detect variables that are written but never read - mark those as unused too and remove them, such as uword unused = memory("unused222", 20) - also remove the memory slab allocation
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- add a compiler option to not remove unused subroutines. this allows for building library programs
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- add a compiler option to not remove unused subroutines. this allows for building library programs. But this won't work with 64tass's .proc ...
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- make it possible to use cpu opcodes such as 'nop' as variable names by prefixing all asm vars with something such as ``v_``
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- make it possible to use cpu opcodes such as 'nop' as variable names by prefixing all asm vars with something such as ``v_``
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- option to load the built-in library files from a directory instead of the embedded ones (for easier library development/debugging)
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- option to load the built-in library files from a directory instead of the embedded ones (for easier library development/debugging)
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- c64: make the graphics.BITMAP_ADDRESS configurable (VIC banking)
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- c64: make the graphics.BITMAP_ADDRESS configurable (VIC banking)
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