mirror of https://gitlab.com/camelot/kickc.git
665 lines
20 KiB
Plaintext
665 lines
20 KiB
Plaintext
Inlined call call __init
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CONTROL FLOW GRAPH SSA
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unsigned long ifunc(unsigned long a)
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ifunc: scope:[ifunc] from main
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ifunc::a#2 = phi( main/ifunc::a#0 )
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ifunc::x#0 = 1
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ifunc::xsqr#0 = 1
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ifunc::delta#0 = 3
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to:ifunc::@1
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ifunc::@1: scope:[ifunc] from ifunc ifunc::@2
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ifunc::delta#3 = phi( ifunc/ifunc::delta#0, ifunc::@2/ifunc::delta#1 )
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ifunc::x#5 = phi( ifunc/ifunc::x#0, ifunc::@2/ifunc::x#1 )
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ifunc::a#1 = phi( ifunc/ifunc::a#2, ifunc::@2/ifunc::a#3 )
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ifunc::xsqr#2 = phi( ifunc/ifunc::xsqr#0, ifunc::@2/ifunc::xsqr#1 )
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ifunc::$0 = ifunc::xsqr#2 <= ifunc::a#1
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if(ifunc::$0) goto ifunc::@2
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to:ifunc::@3
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ifunc::@2: scope:[ifunc] from ifunc::@1
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ifunc::a#3 = phi( ifunc::@1/ifunc::a#1 )
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ifunc::delta#2 = phi( ifunc::@1/ifunc::delta#3 )
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ifunc::xsqr#3 = phi( ifunc::@1/ifunc::xsqr#2 )
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ifunc::x#3 = phi( ifunc::@1/ifunc::x#5 )
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ifunc::x#1 = ++ ifunc::x#3
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ifunc::xsqr#1 = ifunc::xsqr#3 + ifunc::delta#2
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ifunc::delta#1 = ifunc::delta#2 + 2
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to:ifunc::@1
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ifunc::@3: scope:[ifunc] from ifunc::@1
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ifunc::x#4 = phi( ifunc::@1/ifunc::x#5 )
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ifunc::x#2 = -- ifunc::x#4
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ifunc::return#0 = ifunc::x#2
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to:ifunc::@return
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ifunc::@return: scope:[ifunc] from ifunc::@3
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ifunc::return#3 = phi( ifunc::@3/ifunc::return#0 )
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ifunc::return#1 = ifunc::return#3
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return
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to:@return
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void main()
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main: scope:[main] from __start::@1
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ifunc::a#0 = 8
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call ifunc
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ifunc::return#2 = ifunc::return#1
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to:main::@1
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main::@1: scope:[main] from main
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ifunc::return#4 = phi( main/ifunc::return#2 )
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main::$0 = ifunc::return#4
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main::$1 = 0 * SIZEOF_UNSIGNED_LONG
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SCREEN[main::$1] = main::$0
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to:main::@return
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main::@return: scope:[main] from main::@1
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return
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to:@return
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void __start()
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__start: scope:[__start] from
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to:__start::__init1
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__start::__init1: scope:[__start] from __start
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to:__start::@1
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__start::@1: scope:[__start] from __start::__init1
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call main
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to:__start::@2
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__start::@2: scope:[__start] from __start::@1
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to:__start::@return
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__start::@return: scope:[__start] from __start::@2
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return
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to:@return
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SYMBOL TABLE SSA
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__constant unsigned long *SCREEN = (char *)$400
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__constant char SIZEOF_UNSIGNED_LONG = 4
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void __start()
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unsigned long ifunc(unsigned long a)
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bool ifunc::$0
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unsigned long ifunc::a
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unsigned long ifunc::a#0
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unsigned long ifunc::a#1
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unsigned long ifunc::a#2
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unsigned long ifunc::a#3
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unsigned long ifunc::delta
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unsigned long ifunc::delta#0
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unsigned long ifunc::delta#1
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unsigned long ifunc::delta#2
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unsigned long ifunc::delta#3
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unsigned long ifunc::return
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unsigned long ifunc::return#0
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unsigned long ifunc::return#1
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unsigned long ifunc::return#2
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unsigned long ifunc::return#3
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unsigned long ifunc::return#4
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unsigned long ifunc::x
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unsigned long ifunc::x#0
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unsigned long ifunc::x#1
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unsigned long ifunc::x#2
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unsigned long ifunc::x#3
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unsigned long ifunc::x#4
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unsigned long ifunc::x#5
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unsigned long ifunc::xsqr
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unsigned long ifunc::xsqr#0
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unsigned long ifunc::xsqr#1
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unsigned long ifunc::xsqr#2
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unsigned long ifunc::xsqr#3
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void main()
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unsigned long main::$0
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number main::$1
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Adding number conversion cast (unumber) 2 in ifunc::delta#1 = ifunc::delta#2 + 2
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Adding number conversion cast (unumber) 8 in ifunc::a#0 = 8
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Adding number conversion cast (unumber) 0 in main::$1 = 0 * SIZEOF_UNSIGNED_LONG
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Adding number conversion cast (unumber) main::$1 in main::$1 = (unumber)0 * SIZEOF_UNSIGNED_LONG
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast ifunc::a#0 = (unumber)8
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Successful SSA optimization Pass2InlineCast
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Simplifying constant pointer cast (char *) 1024
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Simplifying constant integer cast 2
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Simplifying constant integer cast 8
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Simplifying constant integer cast 0
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (char) 2
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Finalized unsigned number type (char) 8
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Finalized unsigned number type (char) 0
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inferred type updated to char in main::$1 = 0 * SIZEOF_UNSIGNED_LONG
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Alias ifunc::x#3 = ifunc::x#5 ifunc::x#4
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Alias ifunc::xsqr#2 = ifunc::xsqr#3
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Alias ifunc::delta#2 = ifunc::delta#3
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Alias ifunc::a#1 = ifunc::a#3
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Alias ifunc::return#0 = ifunc::x#2 ifunc::return#3 ifunc::return#1
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Alias ifunc::return#2 = ifunc::return#4
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Successful SSA optimization Pass2AliasElimination
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Identical Phi Values ifunc::a#2 ifunc::a#0
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Identical Phi Values ifunc::a#1 ifunc::a#2
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Successful SSA optimization Pass2IdenticalPhiElimination
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Simple Condition ifunc::$0 [6] if(ifunc::xsqr#2<=ifunc::a#0) goto ifunc::@2
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant right-side identified [16] main::$1 = 0 * SIZEOF_UNSIGNED_LONG
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant ifunc::x#0 = 1
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Constant ifunc::xsqr#0 = 1
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Constant ifunc::delta#0 = 3
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Constant ifunc::a#0 = 8
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Constant main::$1 = 0*SIZEOF_UNSIGNED_LONG
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Successful SSA optimization Pass2ConstantIdentification
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Rewriting conditional comparison [6] if(ifunc::xsqr#2<=ifunc::a#0) goto ifunc::@2
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Simplifying constant evaluating to zero 0*SIZEOF_UNSIGNED_LONG in
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Successful SSA optimization PassNSimplifyConstantZero
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Simplifying expression containing zero SCREEN in [17] SCREEN[main::$1] = main::$0
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Successful SSA optimization PassNSimplifyExpressionWithZero
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Eliminating unused constant main::$1
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Eliminating unused constant SIZEOF_UNSIGNED_LONG
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Successful SSA optimization PassNEliminateUnusedVars
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Removing unused procedure __start
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Removing unused procedure block __start
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Removing unused procedure block __start::__init1
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Removing unused procedure block __start::@1
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Removing unused procedure block __start::@2
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Removing unused procedure block __start::@return
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Successful SSA optimization PassNEliminateEmptyStart
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Adding number conversion cast (unumber) ifunc::a#0+1 in [1] if(ifunc::xsqr#2<ifunc::a#0+1) goto ifunc::@2
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Adding number conversion cast (unumber) 1 in [1] if(ifunc::xsqr#2<(unumber)ifunc::a#0+1) goto ifunc::@2
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast ifunc::a#0+(unumber)1
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Simplifying constant integer cast 1
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (char) 1
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inlining constant with var siblings ifunc::x#0
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Inlining constant with var siblings ifunc::xsqr#0
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Inlining constant with var siblings ifunc::delta#0
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Constant inlined ifunc::delta#0 = 3
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Constant inlined ifunc::xsqr#0 = 1
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Constant inlined ifunc::x#0 = 1
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Successful SSA optimization Pass2ConstantInlining
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Adding NOP phi() at start of main
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Adding NOP phi() at start of ifunc
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CALL GRAPH
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Calls in [main] to ifunc:1
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Created 3 initial phi equivalence classes
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Coalesced [14] ifunc::xsqr#4 = ifunc::xsqr#1
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Coalesced [15] ifunc::x#6 = ifunc::x#1
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Coalesced [16] ifunc::delta#4 = ifunc::delta#1
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Coalesced down to 3 phi equivalence classes
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Adding NOP phi() at start of main
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Adding NOP phi() at start of ifunc
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FINAL CONTROL FLOW GRAPH
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void main()
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main: scope:[main] from
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[0] phi()
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[1] call ifunc
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[2] ifunc::return#2 = ifunc::return#0
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to:main::@1
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main::@1: scope:[main] from main
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[3] main::$0 = ifunc::return#2
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[4] *SCREEN = main::$0
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to:main::@return
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main::@return: scope:[main] from main::@1
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[5] return
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to:@return
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unsigned long ifunc(unsigned long a)
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ifunc: scope:[ifunc] from main
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[6] phi()
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to:ifunc::@1
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ifunc::@1: scope:[ifunc] from ifunc ifunc::@2
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[7] ifunc::delta#2 = phi( ifunc/3, ifunc::@2/ifunc::delta#1 )
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[7] ifunc::x#3 = phi( ifunc/1, ifunc::@2/ifunc::x#1 )
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[7] ifunc::xsqr#2 = phi( ifunc/1, ifunc::@2/ifunc::xsqr#1 )
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[8] if(ifunc::xsqr#2<ifunc::a#0+1) goto ifunc::@2
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to:ifunc::@3
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ifunc::@3: scope:[ifunc] from ifunc::@1
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[9] ifunc::return#0 = -- ifunc::x#3
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to:ifunc::@return
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ifunc::@return: scope:[ifunc] from ifunc::@3
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[10] return
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to:@return
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ifunc::@2: scope:[ifunc] from ifunc::@1
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[11] ifunc::x#1 = ++ ifunc::x#3
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[12] ifunc::xsqr#1 = ifunc::xsqr#2 + ifunc::delta#2
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[13] ifunc::delta#1 = ifunc::delta#2 + 2
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to:ifunc::@1
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VARIABLE REGISTER WEIGHTS
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unsigned long ifunc(unsigned long a)
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unsigned long ifunc::a
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unsigned long ifunc::delta
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unsigned long ifunc::delta#1 // 202.0
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unsigned long ifunc::delta#2 // 75.75
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unsigned long ifunc::return
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unsigned long ifunc::return#0 // 4.333333333333333
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unsigned long ifunc::return#2 // 4.0
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unsigned long ifunc::x
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unsigned long ifunc::x#1 // 67.33333333333333
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unsigned long ifunc::x#3 // 106.5
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unsigned long ifunc::xsqr
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unsigned long ifunc::xsqr#1 // 101.0
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unsigned long ifunc::xsqr#2 // 101.0
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void main()
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unsigned long main::$0 // 4.0
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Initial phi equivalence classes
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[ ifunc::xsqr#2 ifunc::xsqr#1 ]
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[ ifunc::x#3 ifunc::x#1 ]
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[ ifunc::delta#2 ifunc::delta#1 ]
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Added variable ifunc::return#2 to live range equivalence class [ ifunc::return#2 ]
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Added variable main::$0 to live range equivalence class [ main::$0 ]
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Added variable ifunc::return#0 to live range equivalence class [ ifunc::return#0 ]
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Complete equivalence classes
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[ ifunc::xsqr#2 ifunc::xsqr#1 ]
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[ ifunc::x#3 ifunc::x#1 ]
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[ ifunc::delta#2 ifunc::delta#1 ]
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[ ifunc::return#2 ]
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[ main::$0 ]
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[ ifunc::return#0 ]
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Allocated zp[4]:2 [ ifunc::delta#2 ifunc::delta#1 ]
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Allocated zp[4]:6 [ ifunc::xsqr#2 ifunc::xsqr#1 ]
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Allocated zp[4]:10 [ ifunc::x#3 ifunc::x#1 ]
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Allocated zp[4]:14 [ ifunc::return#0 ]
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Allocated zp[4]:18 [ ifunc::return#2 ]
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Allocated zp[4]:22 [ main::$0 ]
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [2] ifunc::return#2 = ifunc::return#0 [ ifunc::return#2 ] ( [ ifunc::return#2 ] { { ifunc::return#0 = ifunc::return#2 } } ) always clobbers reg byte a
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Statement [3] main::$0 = ifunc::return#2 [ main::$0 ] ( [ main::$0 ] { } ) always clobbers reg byte a
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Statement [4] *SCREEN = main::$0 [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [8] if(ifunc::xsqr#2<ifunc::a#0+1) goto ifunc::@2 [ ifunc::xsqr#2 ifunc::x#3 ifunc::delta#2 ] ( ifunc:1 [ ifunc::xsqr#2 ifunc::x#3 ifunc::delta#2 ] { { ifunc::return#0 = ifunc::return#2 } } ) always clobbers reg byte a
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Statement [9] ifunc::return#0 = -- ifunc::x#3 [ ifunc::return#0 ] ( ifunc:1 [ ifunc::return#0 ] { { ifunc::return#0 = ifunc::return#2 } } ) always clobbers reg byte a
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Statement [12] ifunc::xsqr#1 = ifunc::xsqr#2 + ifunc::delta#2 [ ifunc::delta#2 ifunc::xsqr#1 ifunc::x#1 ] ( ifunc:1 [ ifunc::delta#2 ifunc::xsqr#1 ifunc::x#1 ] { { ifunc::return#0 = ifunc::return#2 } } ) always clobbers reg byte a
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Statement [13] ifunc::delta#1 = ifunc::delta#2 + 2 [ ifunc::xsqr#1 ifunc::x#1 ifunc::delta#1 ] ( ifunc:1 [ ifunc::xsqr#1 ifunc::x#1 ifunc::delta#1 ] { { ifunc::return#0 = ifunc::return#2 } } ) always clobbers reg byte a
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Potential registers zp[4]:6 [ ifunc::xsqr#2 ifunc::xsqr#1 ] : zp[4]:6 ,
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Potential registers zp[4]:10 [ ifunc::x#3 ifunc::x#1 ] : zp[4]:10 ,
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Potential registers zp[4]:2 [ ifunc::delta#2 ifunc::delta#1 ] : zp[4]:2 ,
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Potential registers zp[4]:18 [ ifunc::return#2 ] : zp[4]:18 ,
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Potential registers zp[4]:22 [ main::$0 ] : zp[4]:22 ,
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Potential registers zp[4]:14 [ ifunc::return#0 ] : zp[4]:14 ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [ifunc] 277.75: zp[4]:2 [ ifunc::delta#2 ifunc::delta#1 ] 202: zp[4]:6 [ ifunc::xsqr#2 ifunc::xsqr#1 ] 173.83: zp[4]:10 [ ifunc::x#3 ifunc::x#1 ] 4.33: zp[4]:14 [ ifunc::return#0 ] 4: zp[4]:18 [ ifunc::return#2 ]
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Uplift Scope [main] 4: zp[4]:22 [ main::$0 ]
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Uplift Scope []
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Uplifting [ifunc] best 2182 combination zp[4]:2 [ ifunc::delta#2 ifunc::delta#1 ] zp[4]:6 [ ifunc::xsqr#2 ifunc::xsqr#1 ] zp[4]:10 [ ifunc::x#3 ifunc::x#1 ] zp[4]:14 [ ifunc::return#0 ] zp[4]:18 [ ifunc::return#2 ]
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Uplifting [main] best 2182 combination zp[4]:22 [ main::$0 ]
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Uplifting [] best 2182 combination
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Coalescing zero page register [ zp[4]:10 [ ifunc::x#3 ifunc::x#1 ] ] with [ zp[4]:14 [ ifunc::return#0 ] ] - score: 1
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Coalescing zero page register [ zp[4]:18 [ ifunc::return#2 ] ] with [ zp[4]:22 [ main::$0 ] ] - score: 1
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Coalescing zero page register [ zp[4]:10 [ ifunc::x#3 ifunc::x#1 ifunc::return#0 ] ] with [ zp[4]:18 [ ifunc::return#2 main::$0 ] ] - score: 1
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="sqr-delta.prg", type="prg", segments="Program"]
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.segmentdef Program [segments="Basic, Code, Data"]
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.segmentdef Basic [start=$0801]
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.segmentdef Code [start=$80d]
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.segmentdef Data [startAfter="Code"]
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.segment Basic
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:BasicUpstart(main)
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// Global Constants & labels
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.label SCREEN = $400
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.segment Code
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// main
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main: {
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.label __0 = $a
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// [1] call ifunc
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// [6] phi from main to ifunc [phi:main->ifunc]
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ifunc_from_main:
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jsr ifunc
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// [2] ifunc::return#2 = ifunc::return#0
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jmp __b1
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// main::@1
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__b1:
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// [3] main::$0 = ifunc::return#2
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// [4] *SCREEN = main::$0 -- _deref_pduc1=vduz1
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lda.z __0
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sta SCREEN
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lda.z __0+1
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sta SCREEN+1
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lda.z __0+2
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sta SCREEN+2
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lda.z __0+3
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sta SCREEN+3
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jmp __breturn
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// main::@return
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__breturn:
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// [5] return
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rts
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}
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// ifunc
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// __zp($a) unsigned long ifunc(unsigned long a)
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ifunc: {
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.const a = 8
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.label x = $a
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.label xsqr = 6
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.label delta = 2
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.label return = $a
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// [7] phi from ifunc to ifunc::@1 [phi:ifunc->ifunc::@1]
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__b1_from_ifunc:
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// [7] phi ifunc::delta#2 = 3 [phi:ifunc->ifunc::@1#0] -- vduz1=vduc1
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lda #<3
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sta.z delta
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lda #>3
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sta.z delta+1
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lda #<3>>$10
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sta.z delta+2
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lda #>3>>$10
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sta.z delta+3
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// [7] phi ifunc::x#3 = 1 [phi:ifunc->ifunc::@1#1] -- vduz1=vduc1
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lda #<1
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sta.z x
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lda #>1
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sta.z x+1
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lda #<1>>$10
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sta.z x+2
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lda #>1>>$10
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sta.z x+3
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// [7] phi ifunc::xsqr#2 = 1 [phi:ifunc->ifunc::@1#2] -- vduz1=vduc1
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lda #<1
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sta.z xsqr
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lda #>1
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sta.z xsqr+1
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lda #<1>>$10
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sta.z xsqr+2
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lda #>1>>$10
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sta.z xsqr+3
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jmp __b1
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// ifunc::@1
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__b1:
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// [8] if(ifunc::xsqr#2<ifunc::a#0+1) goto ifunc::@2 -- vduz1_lt_vduc1_then_la1
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lda.z xsqr+3
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cmp #>a+1>>$10
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bcc __b2
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bne !+
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lda.z xsqr+2
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cmp #<a+1>>$10
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bcc __b2
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bne !+
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lda.z xsqr+1
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cmp #>a+1
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bcc __b2
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bne !+
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lda.z xsqr
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cmp #<a+1
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bcc __b2
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!:
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jmp __b3
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// ifunc::@3
|
|
__b3:
|
|
// [9] ifunc::return#0 = -- ifunc::x#3 -- vduz1=_dec_vduz1
|
|
lda.z return
|
|
sec
|
|
sbc #1
|
|
sta.z return
|
|
lda.z return+1
|
|
sbc #0
|
|
sta.z return+1
|
|
lda.z return+2
|
|
sbc #0
|
|
sta.z return+2
|
|
lda.z return+3
|
|
sbc #0
|
|
sta.z return+3
|
|
jmp __breturn
|
|
// ifunc::@return
|
|
__breturn:
|
|
// [10] return
|
|
rts
|
|
// ifunc::@2
|
|
__b2:
|
|
// [11] ifunc::x#1 = ++ ifunc::x#3 -- vduz1=_inc_vduz1
|
|
inc.z x
|
|
bne !+
|
|
inc.z x+1
|
|
bne !+
|
|
inc.z x+2
|
|
bne !+
|
|
inc.z x+3
|
|
!:
|
|
// [12] ifunc::xsqr#1 = ifunc::xsqr#2 + ifunc::delta#2 -- vduz1=vduz1_plus_vduz2
|
|
clc
|
|
lda.z xsqr
|
|
adc.z delta
|
|
sta.z xsqr
|
|
lda.z xsqr+1
|
|
adc.z delta+1
|
|
sta.z xsqr+1
|
|
lda.z xsqr+2
|
|
adc.z delta+2
|
|
sta.z xsqr+2
|
|
lda.z xsqr+3
|
|
adc.z delta+3
|
|
sta.z xsqr+3
|
|
// [13] ifunc::delta#1 = ifunc::delta#2 + 2 -- vduz1=vduz1_plus_vbuc1
|
|
lda.z delta
|
|
clc
|
|
adc #2
|
|
sta.z delta
|
|
bcc !+
|
|
inc.z delta+1
|
|
bne !+
|
|
inc.z delta+2
|
|
bne !+
|
|
inc.z delta+3
|
|
!:
|
|
// [7] phi from ifunc::@2 to ifunc::@1 [phi:ifunc::@2->ifunc::@1]
|
|
__b1_from___b2:
|
|
// [7] phi ifunc::delta#2 = ifunc::delta#1 [phi:ifunc::@2->ifunc::@1#0] -- register_copy
|
|
// [7] phi ifunc::x#3 = ifunc::x#1 [phi:ifunc::@2->ifunc::@1#1] -- register_copy
|
|
// [7] phi ifunc::xsqr#2 = ifunc::xsqr#1 [phi:ifunc::@2->ifunc::@1#2] -- register_copy
|
|
jmp __b1
|
|
}
|
|
// File Data
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __breturn
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b3
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Removing instruction ifunc_from_main:
|
|
Removing instruction __b1:
|
|
Removing instruction __breturn:
|
|
Removing instruction __b1_from_ifunc:
|
|
Removing instruction __b3:
|
|
Removing instruction __breturn:
|
|
Removing instruction __b1_from___b2:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
__constant unsigned long *SCREEN = (char *) 1024
|
|
unsigned long ifunc(unsigned long a)
|
|
unsigned long ifunc::a
|
|
__constant unsigned long ifunc::a#0 = 8 // a
|
|
unsigned long ifunc::delta
|
|
unsigned long ifunc::delta#1 // delta zp[4]:2 202.0
|
|
unsigned long ifunc::delta#2 // delta zp[4]:2 75.75
|
|
unsigned long ifunc::return
|
|
unsigned long ifunc::return#0 // return zp[4]:10 4.333333333333333
|
|
unsigned long ifunc::return#2 // return zp[4]:10 4.0
|
|
unsigned long ifunc::x
|
|
unsigned long ifunc::x#1 // x zp[4]:10 67.33333333333333
|
|
unsigned long ifunc::x#3 // x zp[4]:10 106.5
|
|
unsigned long ifunc::xsqr
|
|
unsigned long ifunc::xsqr#1 // xsqr zp[4]:6 101.0
|
|
unsigned long ifunc::xsqr#2 // xsqr zp[4]:6 101.0
|
|
void main()
|
|
unsigned long main::$0 // zp[4]:10 4.0
|
|
|
|
zp[4]:6 [ ifunc::xsqr#2 ifunc::xsqr#1 ]
|
|
zp[4]:10 [ ifunc::x#3 ifunc::x#1 ifunc::return#0 ifunc::return#2 main::$0 ]
|
|
zp[4]:2 [ ifunc::delta#2 ifunc::delta#1 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 2065
|
|
|
|
// File Comments
|
|
// Upstart
|
|
// Commodore 64 PRG executable file
|
|
.file [name="sqr-delta.prg", type="prg", segments="Program"]
|
|
.segmentdef Program [segments="Basic, Code, Data"]
|
|
.segmentdef Basic [start=$0801]
|
|
.segmentdef Code [start=$80d]
|
|
.segmentdef Data [startAfter="Code"]
|
|
.segment Basic
|
|
:BasicUpstart(main)
|
|
// Global Constants & labels
|
|
.label SCREEN = $400
|
|
.segment Code
|
|
// main
|
|
main: {
|
|
.label __0 = $a
|
|
// ifunc(8)
|
|
// [1] call ifunc
|
|
// [6] phi from main to ifunc [phi:main->ifunc]
|
|
jsr ifunc
|
|
// ifunc(8)
|
|
// [2] ifunc::return#2 = ifunc::return#0
|
|
// main::@1
|
|
// [3] main::$0 = ifunc::return#2
|
|
// SCREEN[0] = ifunc(8)
|
|
// [4] *SCREEN = main::$0 -- _deref_pduc1=vduz1
|
|
lda.z __0
|
|
sta SCREEN
|
|
lda.z __0+1
|
|
sta SCREEN+1
|
|
lda.z __0+2
|
|
sta SCREEN+2
|
|
lda.z __0+3
|
|
sta SCREEN+3
|
|
// main::@return
|
|
// }
|
|
// [5] return
|
|
rts
|
|
}
|
|
// ifunc
|
|
// __zp($a) unsigned long ifunc(unsigned long a)
|
|
ifunc: {
|
|
.const a = 8
|
|
.label x = $a
|
|
.label xsqr = 6
|
|
.label delta = 2
|
|
.label return = $a
|
|
// [7] phi from ifunc to ifunc::@1 [phi:ifunc->ifunc::@1]
|
|
// [7] phi ifunc::delta#2 = 3 [phi:ifunc->ifunc::@1#0] -- vduz1=vduc1
|
|
lda #<3
|
|
sta.z delta
|
|
lda #>3
|
|
sta.z delta+1
|
|
lda #<3>>$10
|
|
sta.z delta+2
|
|
lda #>3>>$10
|
|
sta.z delta+3
|
|
// [7] phi ifunc::x#3 = 1 [phi:ifunc->ifunc::@1#1] -- vduz1=vduc1
|
|
lda #<1
|
|
sta.z x
|
|
lda #>1
|
|
sta.z x+1
|
|
lda #<1>>$10
|
|
sta.z x+2
|
|
lda #>1>>$10
|
|
sta.z x+3
|
|
// [7] phi ifunc::xsqr#2 = 1 [phi:ifunc->ifunc::@1#2] -- vduz1=vduc1
|
|
lda #<1
|
|
sta.z xsqr
|
|
lda #>1
|
|
sta.z xsqr+1
|
|
lda #<1>>$10
|
|
sta.z xsqr+2
|
|
lda #>1>>$10
|
|
sta.z xsqr+3
|
|
// ifunc::@1
|
|
__b1:
|
|
// while(xsqr <=a)
|
|
// [8] if(ifunc::xsqr#2<ifunc::a#0+1) goto ifunc::@2 -- vduz1_lt_vduc1_then_la1
|
|
lda.z xsqr+3
|
|
cmp #>a+1>>$10
|
|
bcc __b2
|
|
bne !+
|
|
lda.z xsqr+2
|
|
cmp #<a+1>>$10
|
|
bcc __b2
|
|
bne !+
|
|
lda.z xsqr+1
|
|
cmp #>a+1
|
|
bcc __b2
|
|
bne !+
|
|
lda.z xsqr
|
|
cmp #<a+1
|
|
bcc __b2
|
|
!:
|
|
// ifunc::@3
|
|
// return --x;
|
|
// [9] ifunc::return#0 = -- ifunc::x#3 -- vduz1=_dec_vduz1
|
|
lda.z return
|
|
sec
|
|
sbc #1
|
|
sta.z return
|
|
lda.z return+1
|
|
sbc #0
|
|
sta.z return+1
|
|
lda.z return+2
|
|
sbc #0
|
|
sta.z return+2
|
|
lda.z return+3
|
|
sbc #0
|
|
sta.z return+3
|
|
// ifunc::@return
|
|
// }
|
|
// [10] return
|
|
rts
|
|
// ifunc::@2
|
|
__b2:
|
|
// ++x;
|
|
// [11] ifunc::x#1 = ++ ifunc::x#3 -- vduz1=_inc_vduz1
|
|
inc.z x
|
|
bne !+
|
|
inc.z x+1
|
|
bne !+
|
|
inc.z x+2
|
|
bne !+
|
|
inc.z x+3
|
|
!:
|
|
// xsqr += delta
|
|
// [12] ifunc::xsqr#1 = ifunc::xsqr#2 + ifunc::delta#2 -- vduz1=vduz1_plus_vduz2
|
|
clc
|
|
lda.z xsqr
|
|
adc.z delta
|
|
sta.z xsqr
|
|
lda.z xsqr+1
|
|
adc.z delta+1
|
|
sta.z xsqr+1
|
|
lda.z xsqr+2
|
|
adc.z delta+2
|
|
sta.z xsqr+2
|
|
lda.z xsqr+3
|
|
adc.z delta+3
|
|
sta.z xsqr+3
|
|
// delta += 2
|
|
// [13] ifunc::delta#1 = ifunc::delta#2 + 2 -- vduz1=vduz1_plus_vbuc1
|
|
lda.z delta
|
|
clc
|
|
adc #2
|
|
sta.z delta
|
|
bcc !+
|
|
inc.z delta+1
|
|
bne !+
|
|
inc.z delta+2
|
|
bne !+
|
|
inc.z delta+3
|
|
!:
|
|
// [7] phi from ifunc::@2 to ifunc::@1 [phi:ifunc::@2->ifunc::@1]
|
|
// [7] phi ifunc::delta#2 = ifunc::delta#1 [phi:ifunc::@2->ifunc::@1#0] -- register_copy
|
|
// [7] phi ifunc::x#3 = ifunc::x#1 [phi:ifunc::@2->ifunc::@1#1] -- register_copy
|
|
// [7] phi ifunc::xsqr#2 = ifunc::xsqr#1 [phi:ifunc::@2->ifunc::@1#2] -- register_copy
|
|
jmp __b1
|
|
}
|
|
// File Data
|
|
|