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fix name check in inline asm
this no longer removes a subroutine that is otherwise only called from inlined asm.
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@ -776,4 +776,20 @@ main {
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"""
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"""
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compileText(VMTarget(), true, text, writeAssembly = false) shouldNotBe null
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compileText(VMTarget(), true, text, writeAssembly = false) shouldNotBe null
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}
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}
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test("sub only called by asm should not be optimized away") {
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val src="""
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main {
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sub start() {
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%asm{{
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jsr p8_test
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}}
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}
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sub test() {
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cx16.r0++
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}
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}"""
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compileText(Cx16Target(), true, src, writeAssembly = true) shouldNotBe null
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}
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})
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})
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@ -163,7 +163,7 @@ class CallGraph(private val program: Program) : IAstVisitor {
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return allIdentifiersAndTargets.filter { decl===it.value }.map{ it.key }
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return allIdentifiersAndTargets.filter { decl===it.value }.map{ it.key }
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}
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}
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private fun nameInAssemblyCode(name: String) = allAssemblyNodes.any { name in it.names }
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private fun nameInAssemblyCode(name: String) = allAssemblyNodes.any { "p8_$name" in it.names || name in it.names }
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inline fun unused(label: Label) = false // just always output labels
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inline fun unused(label: Label) = false // just always output labels
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@ -4,8 +4,6 @@ TODO
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- IRQ callback should return boolean to tell Prog8 to call the kernal ISR or not.
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- IRQ callback should return boolean to tell Prog8 to call the kernal ISR or not.
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- Is there a way to tell prog8 not to optimize out a function that is only called from within %asm{{}}? like a @shared but for subs?
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- [on branch: shortcircuit] investigate McCarthy evaluation again? this may also reduce code size perhaps for things like if a>4 or a<2 ....
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- [on branch: shortcircuit] investigate McCarthy evaluation again? this may also reduce code size perhaps for things like if a>4 or a<2 ....
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...
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...
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@ -1,14 +1,14 @@
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%import textio
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%import textio
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%import floats
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%zeropage basicsafe
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%zeropage basicsafe
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main {
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main {
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sub start() {
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sub start() {
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float fl1 = 999.8877
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%asm{{
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float fl2 = sqrt(fl1) * fl1 + fl1*33.44
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jsr p8_test
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floats.print_f(fl2)
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}}
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txt.nl()
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}
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fl1=0
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floats.print_f(fl1)
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sub test() {
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cx16.r0++
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}
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}
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}
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}
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