mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-06-29 09:29:31 +00:00
692 lines
25 KiB
Plaintext
692 lines
25 KiB
Plaintext
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CONTROL FLOW GRAPH SSA
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void main()
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main: scope:[main] from __start
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main::idx#0 = 0
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main::$0 = ! 0!=0
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if(main::$0) goto main::@1
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to:main::@3
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main::@1: scope:[main] from main main::@3
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main::idx#13 = phi( main/main::idx#0, main::@3/main::idx#1 )
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main::$1 = ! 0!=$3e7
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if(main::$1) goto main::@2
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to:main::@4
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main::@3: scope:[main] from main
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main::idx#7 = phi( main/main::idx#0 )
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SCREEN[main::idx#7] = '0'
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main::idx#1 = ++ main::idx#7
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to:main::@1
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main::@2: scope:[main] from main::@1 main::@4
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main::idx#8 = phi( main::@1/main::idx#13, main::@4/main::idx#3 )
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SCREEN[main::idx#8] = ' '
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main::idx#2 = ++ main::idx#8
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main::i#0 = 0
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to:main::@5
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main::@4: scope:[main] from main::@1
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main::idx#9 = phi( main::@1/main::idx#13 )
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SCREEN[main::idx#9] = '+'
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main::idx#3 = ++ main::idx#9
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to:main::@2
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main::@5: scope:[main] from main::@2 main::@6
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main::idx#14 = phi( main::@2/main::idx#2, main::@6/main::idx#15 )
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main::i#2 = phi( main::@2/main::i#0, main::@6/main::i#1 )
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main::$6 = 0 != main::i#2
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main::$2 = ! main::$6
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if(main::$2) goto main::@6
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to:main::@7
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main::@6: scope:[main] from main::@5 main::@7
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main::idx#15 = phi( main::@5/main::idx#14, main::@7/main::idx#4 )
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main::i#3 = phi( main::@5/main::i#2, main::@7/main::i#4 )
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main::i#1 = main::i#3 + rangenext(0,2)
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main::$3 = main::i#1 != rangelast(0,2)
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if(main::$3) goto main::@5
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to:main::@8
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main::@7: scope:[main] from main::@5
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main::i#4 = phi( main::@5/main::i#2 )
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main::idx#10 = phi( main::@5/main::idx#14 )
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SCREEN[main::idx#10] = '+'
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main::idx#4 = ++ main::idx#10
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to:main::@6
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main::@8: scope:[main] from main::@6
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main::idx#11 = phi( main::@6/main::idx#15 )
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SCREEN[main::idx#11] = ' '
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main::idx#5 = ++ main::idx#11
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main::i1#0 = 0
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to:main::@9
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main::@9: scope:[main] from main::@10 main::@8
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main::idx#16 = phi( main::@10/main::idx#17, main::@8/main::idx#5 )
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main::i1#2 = phi( main::@10/main::i1#1, main::@8/main::i1#0 )
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main::$7 = 0 != main::i1#2
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main::$4 = ! main::$7
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if(main::$4) goto main::@10
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to:main::@11
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main::@10: scope:[main] from main::@11 main::@9
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main::idx#17 = phi( main::@11/main::idx#6, main::@9/main::idx#16 )
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main::i1#3 = phi( main::@11/main::i1#4, main::@9/main::i1#2 )
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main::i1#1 = main::i1#3 + rangenext(0,2)
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main::$5 = main::i1#1 != rangelast(0,2)
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if(main::$5) goto main::@9
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to:main::@return
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main::@11: scope:[main] from main::@9
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main::i1#4 = phi( main::@9/main::i1#2 )
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main::idx#12 = phi( main::@9/main::idx#16 )
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SCREEN[main::idx#12] = '+'
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main::idx#6 = ++ main::idx#12
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to:main::@10
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main::@return: scope:[main] from main::@10
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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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call main
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to:__start::@1
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__start::@1: scope:[__start] from __start
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to:__start::@return
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__start::@return: scope:[__start] from __start::@1
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return
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to:@return
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SYMBOL TABLE SSA
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constant byte* const SCREEN = (byte*)$400
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void __start()
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void main()
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bool~ main::$0
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bool~ main::$1
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bool~ main::$2
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bool~ main::$3
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bool~ main::$4
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bool~ main::$5
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bool~ main::$6
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bool~ main::$7
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byte main::i
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byte main::i#0
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byte main::i#1
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byte main::i#2
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byte main::i#3
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byte main::i#4
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word main::i1
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word main::i1#0
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word main::i1#1
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word main::i1#2
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word main::i1#3
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word main::i1#4
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byte main::idx
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byte main::idx#0
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byte main::idx#1
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byte main::idx#10
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byte main::idx#11
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byte main::idx#12
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byte main::idx#13
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byte main::idx#14
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byte main::idx#15
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byte main::idx#16
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byte main::idx#17
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byte main::idx#2
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byte main::idx#3
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byte main::idx#4
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byte main::idx#5
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byte main::idx#6
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byte main::idx#7
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byte main::idx#8
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byte main::idx#9
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Adding number conversion cast (unumber) 0 in main::$6 = 0 != main::i#2
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Adding number conversion cast (unumber) 0 in main::$7 = 0 != main::i1#2
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant pointer cast (byte*) 1024
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Simplifying constant integer cast 0
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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 (byte) 0
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Finalized unsigned number type (byte) 0
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inversing boolean not [18] main::$2 = 0 == main::i#2 from [17] main::$6 = 0 != main::i#2
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Inversing boolean not [33] main::$4 = 0 == main::i1#2 from [32] main::$7 = 0 != main::i1#2
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Successful SSA optimization Pass2UnaryNotSimplification
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Alias main::idx#0 = main::idx#7
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Alias main::idx#13 = main::idx#9
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Alias main::idx#10 = main::idx#14
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Alias main::i#2 = main::i#4
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Alias main::idx#11 = main::idx#15
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Alias main::idx#12 = main::idx#16
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Alias main::i1#2 = main::i1#4
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Successful SSA optimization Pass2AliasElimination
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Alias main::i#2 = main::i#3
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Alias main::i1#2 = main::i1#3
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Successful SSA optimization Pass2AliasElimination
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Simple Condition main::$2 [16] if(0==main::i#2) goto main::@6
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Simple Condition main::$3 [20] if(main::i#1!=rangelast(0,2)) goto main::@5
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Simple Condition main::$4 [28] if(0==main::i1#2) goto main::@10
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Simple Condition main::$5 [32] if(main::i1#1!=rangelast(0,2)) goto main::@9
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Rewriting ! if()-condition to reversed if() [1] main::$0 = ! 0!=0
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Rewriting ! if()-condition to reversed if() [4] main::$1 = ! 0!=$3e7
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Successful SSA optimization Pass2ConditionalAndOrRewriting
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Constant main::idx#0 = 0
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Constant main::i#0 = 0
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Constant main::i1#0 = 0
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Successful SSA optimization Pass2ConstantIdentification
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if() condition always false - eliminating [2] if(0!=0) goto main::@3
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Removing PHI-reference to removed block (main::@1) in block main::@2
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if() condition always true - replacing block destination [5] if(0!=$3e7) goto main::@4
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Successful SSA optimization Pass2ConstantIfs
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Resolved ranged next value [18] main::i#1 = ++ main::i#2 to ++
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Resolved ranged comparison value [20] if(main::i#1!=rangelast(0,2)) goto main::@5 to 3
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Resolved ranged next value [30] main::i1#1 = ++ main::i1#2 to ++
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Resolved ranged comparison value [32] if(main::i1#1!=rangelast(0,2)) goto main::@9 to 3
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Simplifying expression containing zero SCREEN in [6] SCREEN[main::idx#0] = '0'
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Successful SSA optimization PassNSimplifyExpressionWithZero
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Eliminating variable main::idx#1 from unused block main::@3
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Removing PHI-reference to removed block (main::@3) in block main::@1
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Removing unused block main::@3
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Successful SSA optimization Pass2EliminateUnusedBlocks
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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::@1
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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) 3 in [10] if(main::i#1!=3) goto main::@5
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Adding number conversion cast (unumber) 3 in [19] if(main::i1#1!=3) goto main::@9
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast 3
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Simplifying constant integer cast 3
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 3
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Finalized unsigned number type (byte) 3
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Alias main::idx#3 = main::idx#8
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Successful SSA optimization Pass2AliasElimination
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Identical Phi Values main::idx#13 main::idx#0
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Successful SSA optimization Pass2IdenticalPhiElimination
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Constant right-side identified [4] main::idx#3 = ++ main::idx#0
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant main::idx#3 = ++main::idx#0
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Successful SSA optimization Pass2ConstantIdentification
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Simplifying expression containing zero SCREEN in [3] SCREEN[main::idx#0] = '+'
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Successful SSA optimization PassNSimplifyExpressionWithZero
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Constant right-side identified [1] main::idx#2 = ++ main::idx#3
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant main::idx#2 = ++main::idx#3
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Successful SSA optimization Pass2ConstantIdentification
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Inlining constant with var siblings main::idx#0
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Inlining constant with var siblings main::i#0
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Inlining constant with var siblings main::i1#0
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Inlining constant with var siblings main::idx#3
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Inlining constant with var siblings main::idx#2
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Constant inlined main::i#0 = 0
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Constant inlined main::i1#0 = 0
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Constant inlined main::idx#0 = 0
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Constant inlined main::idx#2 = ++++0
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Constant inlined main::idx#3 = ++0
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Successful SSA optimization Pass2ConstantInlining
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Consolidated array index constant in *(SCREEN+++0)
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Successful SSA optimization Pass2ConstantAdditionElimination
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Simplifying constant integer increment ++0
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Simplifying constant integer increment ++0
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Successful SSA optimization Pass2ConstantSimplification
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Simplifying constant integer increment ++1
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Successful SSA optimization Pass2ConstantSimplification
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Added new block during phi lifting main::@12(between main::@6 and main::@5)
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Added new block during phi lifting main::@13(between main::@5 and main::@6)
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Added new block during phi lifting main::@14(between main::@10 and main::@9)
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Added new block during phi lifting main::@15(between main::@9 and main::@10)
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Adding NOP phi() at start of main
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Adding NOP phi() at start of main::@1
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CALL GRAPH
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Created 6 initial phi equivalence classes
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Coalesced [8] main::idx#20 = main::idx#4
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Coalesced [14] main::idx#22 = main::idx#5
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Coalesced [19] main::idx#23 = main::idx#6
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Coalesced [24] main::i1#5 = main::i1#1
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Coalesced [25] main::idx#21 = main::idx#17
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Coalesced (already) [26] main::idx#24 = main::idx#12
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Coalesced [27] main::i#5 = main::i#1
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Coalesced [28] main::idx#18 = main::idx#11
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Coalesced (already) [29] main::idx#19 = main::idx#10
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Coalesced down to 4 phi equivalence classes
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Culled Empty Block label main::@1
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Culled Empty Block label main::@14
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Culled Empty Block label main::@15
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Culled Empty Block label main::@12
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Culled Empty Block label main::@13
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Renumbering block main::@2 to main::@1
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Renumbering block main::@4 to main::@2
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Renumbering block main::@5 to main::@3
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Renumbering block main::@6 to main::@4
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Renumbering block main::@7 to main::@5
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Renumbering block main::@8 to main::@6
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Renumbering block main::@9 to main::@7
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Renumbering block main::@10 to main::@8
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Renumbering block main::@11 to main::@9
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Adding NOP phi() at start of main
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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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to:main::@2
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main::@2: scope:[main] from main
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[1] *SCREEN = '+'
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to:main::@1
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main::@1: scope:[main] from main::@2
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[2] *(SCREEN+1) = ' '
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to:main::@3
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main::@3: scope:[main] from main::@1 main::@4
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[3] main::idx#10 = phi( main::@1/2, main::@4/main::idx#11 )
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[3] main::i#2 = phi( main::@1/0, main::@4/main::i#1 )
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[4] if(0==main::i#2) goto main::@4
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to:main::@5
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main::@5: scope:[main] from main::@3
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[5] SCREEN[main::idx#10] = '+'
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[6] main::idx#4 = ++ main::idx#10
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to:main::@4
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main::@4: scope:[main] from main::@3 main::@5
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[7] main::idx#11 = phi( main::@3/main::idx#10, main::@5/main::idx#4 )
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[8] main::i#1 = ++ main::i#2
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[9] if(main::i#1!=3) goto main::@3
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to:main::@6
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main::@6: scope:[main] from main::@4
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[10] SCREEN[main::idx#11] = ' '
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[11] main::idx#5 = ++ main::idx#11
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to:main::@7
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main::@7: scope:[main] from main::@6 main::@8
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[12] main::idx#12 = phi( main::@8/main::idx#17, main::@6/main::idx#5 )
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[12] main::i1#2 = phi( main::@8/main::i1#1, main::@6/0 )
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[13] if(0==main::i1#2) goto main::@8
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to:main::@9
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main::@9: scope:[main] from main::@7
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[14] SCREEN[main::idx#12] = '+'
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[15] main::idx#6 = ++ main::idx#12
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to:main::@8
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main::@8: scope:[main] from main::@7 main::@9
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[16] main::idx#17 = phi( main::@9/main::idx#6, main::@7/main::idx#12 )
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[17] main::i1#1 = ++ main::i1#2
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[18] if(main::i1#1!=3) goto main::@7
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to:main::@return
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main::@return: scope:[main] from main::@8
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[19] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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void main()
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byte main::i
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byte main::i#1 16.5
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byte main::i#2 6.6000000000000005
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word main::i1
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word main::i1#1 16.5
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word main::i1#2 6.6000000000000005
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byte main::idx
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byte main::idx#10 14.666666666666666
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byte main::idx#11 9.25
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byte main::idx#12 15.333333333333332
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byte main::idx#17 11.0
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byte main::idx#4 22.0
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byte main::idx#5 4.0
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byte main::idx#6 22.0
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::idx#10 main::idx#11 main::idx#4 ]
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[ main::i1#2 main::i1#1 ]
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[ main::idx#12 main::idx#17 main::idx#5 main::idx#6 ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::idx#10 main::idx#11 main::idx#4 ]
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[ main::i1#2 main::i1#1 ]
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[ main::idx#12 main::idx#17 main::idx#5 main::idx#6 ]
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Allocated zp[1]:2 [ main::i#2 main::i#1 ]
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Allocated zp[1]:3 [ main::idx#10 main::idx#11 main::idx#4 ]
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Allocated zp[2]:4 [ main::i1#2 main::i1#1 ]
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Allocated zp[1]:6 [ main::idx#12 main::idx#17 main::idx#5 main::idx#6 ]
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [1] *SCREEN = '+' [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [2] *(SCREEN+1) = ' ' [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [5] SCREEN[main::idx#10] = '+' [ main::i#2 main::idx#10 ] ( [ main::i#2 main::idx#10 ] { } ) always clobbers reg byte a
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Removing always clobbered register reg byte a as potential for zp[1]:2 [ main::i#2 main::i#1 ]
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Removing always clobbered register reg byte a as potential for zp[1]:3 [ main::idx#10 main::idx#11 main::idx#4 ]
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Statement [10] SCREEN[main::idx#11] = ' ' [ main::idx#11 ] ( [ main::idx#11 ] { } ) always clobbers reg byte a
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Statement [13] if(0==main::i1#2) goto main::@8 [ main::i1#2 main::idx#12 ] ( [ main::i1#2 main::idx#12 ] { } ) always clobbers reg byte a
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Removing always clobbered register reg byte a as potential for zp[1]:6 [ main::idx#12 main::idx#17 main::idx#5 main::idx#6 ]
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Statement [14] SCREEN[main::idx#12] = '+' [ main::i1#2 main::idx#12 ] ( [ main::i1#2 main::idx#12 ] { } ) always clobbers reg byte a
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Statement [18] if(main::i1#1!=3) goto main::@7 [ main::i1#1 main::idx#17 ] ( [ main::i1#1 main::idx#17 ] { } ) always clobbers reg byte a
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Statement [1] *SCREEN = '+' [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [2] *(SCREEN+1) = ' ' [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [5] SCREEN[main::idx#10] = '+' [ main::i#2 main::idx#10 ] ( [ main::i#2 main::idx#10 ] { } ) always clobbers reg byte a
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Statement [10] SCREEN[main::idx#11] = ' ' [ main::idx#11 ] ( [ main::idx#11 ] { } ) always clobbers reg byte a
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Statement [13] if(0==main::i1#2) goto main::@8 [ main::i1#2 main::idx#12 ] ( [ main::i1#2 main::idx#12 ] { } ) always clobbers reg byte a
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Statement [14] SCREEN[main::idx#12] = '+' [ main::i1#2 main::idx#12 ] ( [ main::i1#2 main::idx#12 ] { } ) always clobbers reg byte a
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Statement [18] if(main::i1#1!=3) goto main::@7 [ main::i1#1 main::idx#17 ] ( [ main::i1#1 main::idx#17 ] { } ) always clobbers reg byte a
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Potential registers zp[1]:2 [ main::i#2 main::i#1 ] : zp[1]:2 , reg byte x , reg byte y ,
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Potential registers zp[1]:3 [ main::idx#10 main::idx#11 main::idx#4 ] : zp[1]:3 , reg byte x , reg byte y ,
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Potential registers zp[2]:4 [ main::i1#2 main::i1#1 ] : zp[2]:4 ,
|
|
Potential registers zp[1]:6 [ main::idx#12 main::idx#17 main::idx#5 main::idx#6 ] : zp[1]:6 , reg byte x , reg byte y ,
|
|
|
|
REGISTER UPLIFT SCOPES
|
|
Uplift Scope [main] 52.33: zp[1]:6 [ main::idx#12 main::idx#17 main::idx#5 main::idx#6 ] 45.92: zp[1]:3 [ main::idx#10 main::idx#11 main::idx#4 ] 23.1: zp[1]:2 [ main::i#2 main::i#1 ] 23.1: zp[2]:4 [ main::i1#2 main::i1#1 ]
|
|
Uplift Scope []
|
|
|
|
Uplifting [main] best 1130 combination reg byte y [ main::idx#12 main::idx#17 main::idx#5 main::idx#6 ] reg byte y [ main::idx#10 main::idx#11 main::idx#4 ] reg byte x [ main::i#2 main::i#1 ] zp[2]:4 [ main::i1#2 main::i1#1 ]
|
|
Uplifting [] best 1130 combination
|
|
Allocated (was zp[2]:4) zp[2]:2 [ main::i1#2 main::i1#1 ]
|
|
|
|
ASSEMBLER BEFORE OPTIMIZATION
|
|
// File Comments
|
|
// Tests using integer conditions in if()
|
|
// This should produce '+ ++ ++' at the top of the screen
|
|
// Upstart
|
|
// Commodore 64 PRG executable file
|
|
.file [name="condition-integer-0.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 i1 = 2
|
|
jmp __b2
|
|
// main::@2
|
|
__b2:
|
|
// [1] *SCREEN = '+' -- _deref_pbuc1=vbuc2
|
|
lda #'+'
|
|
sta SCREEN
|
|
jmp __b1
|
|
// main::@1
|
|
__b1:
|
|
// [2] *(SCREEN+1) = ' ' -- _deref_pbuc1=vbuc2
|
|
lda #' '
|
|
sta SCREEN+1
|
|
// [3] phi from main::@1 to main::@3 [phi:main::@1->main::@3]
|
|
__b3_from___b1:
|
|
// [3] phi main::idx#10 = 2 [phi:main::@1->main::@3#0] -- vbuyy=vbuc1
|
|
ldy #2
|
|
// [3] phi main::i#2 = 0 [phi:main::@1->main::@3#1] -- vbuxx=vbuc1
|
|
ldx #0
|
|
jmp __b3
|
|
// loop byte
|
|
// [3] phi from main::@4 to main::@3 [phi:main::@4->main::@3]
|
|
__b3_from___b4:
|
|
// [3] phi main::idx#10 = main::idx#11 [phi:main::@4->main::@3#0] -- register_copy
|
|
// [3] phi main::i#2 = main::i#1 [phi:main::@4->main::@3#1] -- register_copy
|
|
jmp __b3
|
|
// main::@3
|
|
__b3:
|
|
// [4] if(0==main::i#2) goto main::@4 -- 0_eq_vbuxx_then_la1
|
|
cpx #0
|
|
beq __b4_from___b3
|
|
jmp __b5
|
|
// main::@5
|
|
__b5:
|
|
// [5] SCREEN[main::idx#10] = '+' -- pbuc1_derefidx_vbuyy=vbuc2
|
|
lda #'+'
|
|
sta SCREEN,y
|
|
// [6] main::idx#4 = ++ main::idx#10 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [7] phi from main::@3 main::@5 to main::@4 [phi:main::@3/main::@5->main::@4]
|
|
__b4_from___b3:
|
|
__b4_from___b5:
|
|
// [7] phi main::idx#11 = main::idx#10 [phi:main::@3/main::@5->main::@4#0] -- register_copy
|
|
jmp __b4
|
|
// main::@4
|
|
__b4:
|
|
// [8] main::i#1 = ++ main::i#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [9] if(main::i#1!=3) goto main::@3 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #3
|
|
bne __b3_from___b4
|
|
jmp __b6
|
|
// main::@6
|
|
__b6:
|
|
// [10] SCREEN[main::idx#11] = ' ' -- pbuc1_derefidx_vbuyy=vbuc2
|
|
lda #' '
|
|
sta SCREEN,y
|
|
// [11] main::idx#5 = ++ main::idx#11 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [12] phi from main::@6 to main::@7 [phi:main::@6->main::@7]
|
|
__b7_from___b6:
|
|
// [12] phi main::idx#12 = main::idx#5 [phi:main::@6->main::@7#0] -- register_copy
|
|
// [12] phi main::i1#2 = 0 [phi:main::@6->main::@7#1] -- vwuz1=vwuc1
|
|
lda #<0
|
|
sta.z i1
|
|
lda #>0
|
|
sta.z i1+1
|
|
jmp __b7
|
|
// loop word
|
|
// [12] phi from main::@8 to main::@7 [phi:main::@8->main::@7]
|
|
__b7_from___b8:
|
|
// [12] phi main::idx#12 = main::idx#17 [phi:main::@8->main::@7#0] -- register_copy
|
|
// [12] phi main::i1#2 = main::i1#1 [phi:main::@8->main::@7#1] -- register_copy
|
|
jmp __b7
|
|
// main::@7
|
|
__b7:
|
|
// [13] if(0==main::i1#2) goto main::@8 -- 0_eq_vwuz1_then_la1
|
|
lda.z i1
|
|
ora.z i1+1
|
|
beq __b8_from___b7
|
|
jmp __b9
|
|
// main::@9
|
|
__b9:
|
|
// [14] SCREEN[main::idx#12] = '+' -- pbuc1_derefidx_vbuyy=vbuc2
|
|
lda #'+'
|
|
sta SCREEN,y
|
|
// [15] main::idx#6 = ++ main::idx#12 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [16] phi from main::@7 main::@9 to main::@8 [phi:main::@7/main::@9->main::@8]
|
|
__b8_from___b7:
|
|
__b8_from___b9:
|
|
// [16] phi main::idx#17 = main::idx#12 [phi:main::@7/main::@9->main::@8#0] -- register_copy
|
|
jmp __b8
|
|
// main::@8
|
|
__b8:
|
|
// [17] main::i1#1 = ++ main::i1#2 -- vwuz1=_inc_vwuz1
|
|
inc.z i1
|
|
bne !+
|
|
inc.z i1+1
|
|
!:
|
|
// [18] if(main::i1#1!=3) goto main::@7 -- vwuz1_neq_vbuc1_then_la1
|
|
lda.z i1+1
|
|
bne __b7_from___b8
|
|
lda.z i1
|
|
cmp #3
|
|
bne __b7_from___b8
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [19] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b3
|
|
Removing instruction jmp __b5
|
|
Removing instruction jmp __b4
|
|
Removing instruction jmp __b6
|
|
Removing instruction jmp __b7
|
|
Removing instruction jmp __b9
|
|
Removing instruction jmp __b8
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Removing instruction lda #>0
|
|
Succesful ASM optimization Pass5UnnecesaryLoadElimination
|
|
Replacing label __b4_from___b3 with __b4
|
|
Replacing label __b3_from___b4 with __b3
|
|
Replacing label __b8_from___b7 with __b8
|
|
Replacing label __b7_from___b8 with __b7
|
|
Replacing label __b7_from___b8 with __b7
|
|
Removing instruction __b3_from___b4:
|
|
Removing instruction __b4_from___b3:
|
|
Removing instruction __b4_from___b5:
|
|
Removing instruction __b7_from___b8:
|
|
Removing instruction __b8_from___b7:
|
|
Removing instruction __b8_from___b9:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __b2:
|
|
Removing instruction __b1:
|
|
Removing instruction __b3_from___b1:
|
|
Removing instruction __b5:
|
|
Removing instruction __b6:
|
|
Removing instruction __b7_from___b6:
|
|
Removing instruction __b9:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Removing instruction jmp __b3
|
|
Removing instruction jmp __b7
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
constant byte* const SCREEN = (byte*) 1024
|
|
void main()
|
|
byte main::i
|
|
byte main::i#1 reg byte x 16.5
|
|
byte main::i#2 reg byte x 6.6000000000000005
|
|
word main::i1
|
|
word main::i1#1 i1 zp[2]:2 16.5
|
|
word main::i1#2 i1 zp[2]:2 6.6000000000000005
|
|
byte main::idx
|
|
byte main::idx#10 reg byte y 14.666666666666666
|
|
byte main::idx#11 reg byte y 9.25
|
|
byte main::idx#12 reg byte y 15.333333333333332
|
|
byte main::idx#17 reg byte y 11.0
|
|
byte main::idx#4 reg byte y 22.0
|
|
byte main::idx#5 reg byte y 4.0
|
|
byte main::idx#6 reg byte y 22.0
|
|
|
|
reg byte x [ main::i#2 main::i#1 ]
|
|
reg byte y [ main::idx#10 main::idx#11 main::idx#4 ]
|
|
zp[2]:2 [ main::i1#2 main::i1#1 ]
|
|
reg byte y [ main::idx#12 main::idx#17 main::idx#5 main::idx#6 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 777
|
|
|
|
// File Comments
|
|
// Tests using integer conditions in if()
|
|
// This should produce '+ ++ ++' at the top of the screen
|
|
// Upstart
|
|
// Commodore 64 PRG executable file
|
|
.file [name="condition-integer-0.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 i1 = 2
|
|
// main::@2
|
|
// SCREEN[idx++] = '+'
|
|
// [1] *SCREEN = '+' -- _deref_pbuc1=vbuc2
|
|
lda #'+'
|
|
sta SCREEN
|
|
// main::@1
|
|
// SCREEN[idx++] = ' '
|
|
// [2] *(SCREEN+1) = ' ' -- _deref_pbuc1=vbuc2
|
|
lda #' '
|
|
sta SCREEN+1
|
|
// [3] phi from main::@1 to main::@3 [phi:main::@1->main::@3]
|
|
// [3] phi main::idx#10 = 2 [phi:main::@1->main::@3#0] -- vbuyy=vbuc1
|
|
ldy #2
|
|
// [3] phi main::i#2 = 0 [phi:main::@1->main::@3#1] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// loop byte
|
|
// [3] phi from main::@4 to main::@3 [phi:main::@4->main::@3]
|
|
// [3] phi main::idx#10 = main::idx#11 [phi:main::@4->main::@3#0] -- register_copy
|
|
// [3] phi main::i#2 = main::i#1 [phi:main::@4->main::@3#1] -- register_copy
|
|
// main::@3
|
|
__b3:
|
|
// if(i)
|
|
// [4] if(0==main::i#2) goto main::@4 -- 0_eq_vbuxx_then_la1
|
|
cpx #0
|
|
beq __b4
|
|
// main::@5
|
|
// SCREEN[idx++] = '+'
|
|
// [5] SCREEN[main::idx#10] = '+' -- pbuc1_derefidx_vbuyy=vbuc2
|
|
lda #'+'
|
|
sta SCREEN,y
|
|
// SCREEN[idx++] = '+';
|
|
// [6] main::idx#4 = ++ main::idx#10 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [7] phi from main::@3 main::@5 to main::@4 [phi:main::@3/main::@5->main::@4]
|
|
// [7] phi main::idx#11 = main::idx#10 [phi:main::@3/main::@5->main::@4#0] -- register_copy
|
|
// main::@4
|
|
__b4:
|
|
// for( byte i:0..2)
|
|
// [8] main::i#1 = ++ main::i#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [9] if(main::i#1!=3) goto main::@3 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #3
|
|
bne __b3
|
|
// main::@6
|
|
// SCREEN[idx++] = ' '
|
|
// [10] SCREEN[main::idx#11] = ' ' -- pbuc1_derefidx_vbuyy=vbuc2
|
|
lda #' '
|
|
sta SCREEN,y
|
|
// SCREEN[idx++] = ' ';
|
|
// [11] main::idx#5 = ++ main::idx#11 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [12] phi from main::@6 to main::@7 [phi:main::@6->main::@7]
|
|
// [12] phi main::idx#12 = main::idx#5 [phi:main::@6->main::@7#0] -- register_copy
|
|
// [12] phi main::i1#2 = 0 [phi:main::@6->main::@7#1] -- vwuz1=vwuc1
|
|
lda #<0
|
|
sta.z i1
|
|
sta.z i1+1
|
|
// loop word
|
|
// [12] phi from main::@8 to main::@7 [phi:main::@8->main::@7]
|
|
// [12] phi main::idx#12 = main::idx#17 [phi:main::@8->main::@7#0] -- register_copy
|
|
// [12] phi main::i1#2 = main::i1#1 [phi:main::@8->main::@7#1] -- register_copy
|
|
// main::@7
|
|
__b7:
|
|
// if(i)
|
|
// [13] if(0==main::i1#2) goto main::@8 -- 0_eq_vwuz1_then_la1
|
|
lda.z i1
|
|
ora.z i1+1
|
|
beq __b8
|
|
// main::@9
|
|
// SCREEN[idx++] = '+'
|
|
// [14] SCREEN[main::idx#12] = '+' -- pbuc1_derefidx_vbuyy=vbuc2
|
|
lda #'+'
|
|
sta SCREEN,y
|
|
// SCREEN[idx++] = '+';
|
|
// [15] main::idx#6 = ++ main::idx#12 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [16] phi from main::@7 main::@9 to main::@8 [phi:main::@7/main::@9->main::@8]
|
|
// [16] phi main::idx#17 = main::idx#12 [phi:main::@7/main::@9->main::@8#0] -- register_copy
|
|
// main::@8
|
|
__b8:
|
|
// for( word i:0..2)
|
|
// [17] main::i1#1 = ++ main::i1#2 -- vwuz1=_inc_vwuz1
|
|
inc.z i1
|
|
bne !+
|
|
inc.z i1+1
|
|
!:
|
|
// [18] if(main::i1#1!=3) goto main::@7 -- vwuz1_neq_vbuc1_then_la1
|
|
lda.z i1+1
|
|
bne __b7
|
|
lda.z i1
|
|
cmp #3
|
|
bne __b7
|
|
// main::@return
|
|
// }
|
|
// [19] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|