mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-29 03:56:15 +00:00
725 lines
24 KiB
Plaintext
725 lines
24 KiB
Plaintext
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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to:@1
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(void()) main()
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main: scope:[main] from @1
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(byte) main::i#0 ← (byte) 0
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to:main::@1
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main::@1: scope:[main] from main main::@3
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(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@3/(byte) main::i#1 )
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(number~) main::$0 ← (byte) main::i#2 & (number) 1
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(bool~) main::$1 ← (number~) main::$0 == (number) 0
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(byte) isSet::i#0 ← (byte) main::i#2
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(bool) isSet::b#0 ← (bool~) main::$1
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call isSet
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(bool) isSet::return#0 ← (bool) isSet::return#2
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to:main::@5
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main::@5: scope:[main] from main::@1
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(byte) main::i#6 ← phi( main::@1/(byte) main::i#2 )
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(bool) isSet::return#3 ← phi( main::@1/(bool) isSet::return#0 )
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(bool~) main::$2 ← (bool) isSet::return#3
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if((bool~) main::$2) goto main::@2
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to:main::@4
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main::@2: scope:[main] from main::@5
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(byte) main::i#3 ← phi( main::@5/(byte) main::i#6 )
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*((const byte*) main::screen + (byte) main::i#3) ← (byte) '*'
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to:main::@3
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main::@4: scope:[main] from main::@5
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(byte) main::i#4 ← phi( main::@5/(byte) main::i#6 )
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*((const byte*) main::screen + (byte) main::i#4) ← (byte) ' '
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to:main::@3
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main::@3: scope:[main] from main::@2 main::@4
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(byte) main::i#5 ← phi( main::@2/(byte) main::i#3 main::@4/(byte) main::i#4 )
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(byte) main::i#1 ← (byte) main::i#5 + rangenext(0,$64)
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(bool~) main::$3 ← (byte) main::i#1 != rangelast(0,$64)
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if((bool~) main::$3) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@3
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return
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to:@return
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(bool()) isSet((byte) isSet::i , (bool) isSet::b)
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isSet: scope:[isSet] from main::@1
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(bool) isSet::b#1 ← phi( main::@1/(bool) isSet::b#0 )
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(byte) isSet::i#1 ← phi( main::@1/(byte) isSet::i#0 )
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(number~) isSet::$0 ← (byte) isSet::i#1 & (number) 8
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(bool~) isSet::$1 ← (number~) isSet::$0 != (number) 0
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(bool~) isSet::$2 ← (bool) isSet::b#1 || (bool~) isSet::$1
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(bool) isSet::return#1 ← (bool~) isSet::$2
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to:isSet::@return
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isSet::@return: scope:[isSet] from isSet
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(bool) isSet::return#4 ← phi( isSet/(bool) isSet::return#1 )
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(bool) isSet::return#2 ← (bool) isSet::return#4
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return
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to:@return
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@1: scope:[] from @begin
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call main
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to:@2
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@2: scope:[] from @1
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to:@end
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@end: scope:[] from @2
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SYMBOL TABLE SSA
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(label) @1
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(label) @2
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(label) @begin
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(label) @end
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(bool()) isSet((byte) isSet::i , (bool) isSet::b)
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(number~) isSet::$0
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(bool~) isSet::$1
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(bool~) isSet::$2
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(label) isSet::@return
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(bool) isSet::b
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(bool) isSet::b#0
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(bool) isSet::b#1
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(byte) isSet::i
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(byte) isSet::i#0
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(byte) isSet::i#1
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(bool) isSet::return
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(bool) isSet::return#0
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(bool) isSet::return#1
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(bool) isSet::return#2
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(bool) isSet::return#3
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(bool) isSet::return#4
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(void()) main()
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(number~) 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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(label) main::@1
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(label) main::@2
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(label) main::@3
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(label) main::@4
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(label) main::@5
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(label) main::@return
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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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(byte) main::i#5
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(byte) main::i#6
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(const byte*) main::screen = (byte*)(number) $400
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Adding number conversion cast (unumber) 1 in (number~) main::$0 ← (byte) main::i#2 & (number) 1
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Adding number conversion cast (unumber) main::$0 in (number~) main::$0 ← (byte) main::i#2 & (unumber)(number) 1
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Adding number conversion cast (unumber) 0 in (bool~) main::$1 ← (unumber~) main::$0 == (number) 0
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Adding number conversion cast (unumber) 8 in (number~) isSet::$0 ← (byte) isSet::i#1 & (number) 8
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Adding number conversion cast (unumber) isSet::$0 in (number~) isSet::$0 ← (byte) isSet::i#1 & (unumber)(number) 8
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Adding number conversion cast (unumber) 0 in (bool~) isSet::$1 ← (unumber~) isSet::$0 != (number) 0
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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 1
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Simplifying constant integer cast 0
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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 (byte) 1
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 8
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Finalized unsigned number type (byte) 0
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inferred type updated to byte in (unumber~) main::$0 ← (byte) main::i#2 & (byte) 1
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Inferred type updated to byte in (unumber~) isSet::$0 ← (byte) isSet::i#1 & (byte) 8
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Alias isSet::b#0 = main::$1
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Alias isSet::return#0 = isSet::return#3
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Alias main::i#2 = main::i#6 main::i#3 main::i#4
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Alias isSet::return#1 = isSet::$2 isSet::return#4 isSet::return#2
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Successful SSA optimization Pass2AliasElimination
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Alias main::i#2 = main::i#5
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Successful SSA optimization Pass2AliasElimination
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Identical Phi Values (byte) isSet::i#1 (byte) isSet::i#0
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Identical Phi Values (bool) isSet::b#1 (bool) isSet::b#0
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Successful SSA optimization Pass2IdenticalPhiElimination
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Simple Condition (bool~) main::$3 [13] if((byte) main::i#1!=rangelast(0,$64)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant (const byte) main::i#0 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [11] main::i#1 ← ++ main::i#2 to ++
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Resolved ranged comparison value [13] if(main::i#1!=rangelast(0,$64)) goto main::@1 to (number) $65
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Adding number conversion cast (unumber) $65 in if((byte) main::i#1!=(number) $65) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast $65
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) $65
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inlining constant with var siblings (const byte) main::i#0
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Constant inlined main::i#0 = (byte) 0
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Successful SSA optimization Pass2ConstantInlining
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Added new block during phi lifting main::@6(between main::@3 and main::@1)
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main
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CALL GRAPH
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Calls in [] to main:2
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Calls in [main] to isSet:10
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Created 1 initial phi equivalence classes
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Coalesced [18] main::i#7 ← main::i#1
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Coalesced down to 1 phi equivalence classes
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Culled Empty Block (label) @2
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Culled Empty Block (label) main::@6
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main
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FINAL CONTROL FLOW GRAPH
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@begin: scope:[] from
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[0] phi()
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to:@1
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@1: scope:[] from @begin
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[1] phi()
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[2] call main
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to:@end
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@end: scope:[] from @1
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[3] phi()
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(void()) main()
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main: scope:[main] from @1
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[4] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@3
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[5] (byte) main::i#2 ← phi( main/(byte) 0 main::@3/(byte) main::i#1 )
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[6] (byte~) main::$0 ← (byte) main::i#2 & (byte) 1
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[7] (bool) isSet::b#0 ← (byte~) main::$0 == (byte) 0
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[8] (byte) isSet::i#0 ← (byte) main::i#2
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[9] call isSet
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[10] (bool) isSet::return#0 ← (bool) isSet::return#1
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to:main::@5
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main::@5: scope:[main] from main::@1
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[11] (bool~) main::$2 ← (bool) isSet::return#0
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[12] if((bool~) main::$2) goto main::@2
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to:main::@4
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main::@4: scope:[main] from main::@5
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[13] *((const byte*) main::screen + (byte) main::i#2) ← (byte) ' '
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to:main::@3
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main::@3: scope:[main] from main::@2 main::@4
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[14] (byte) main::i#1 ← ++ (byte) main::i#2
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[15] if((byte) main::i#1!=(byte) $65) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@3
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[16] return
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to:@return
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main::@2: scope:[main] from main::@5
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[17] *((const byte*) main::screen + (byte) main::i#2) ← (byte) '*'
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to:main::@3
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(bool()) isSet((byte) isSet::i , (bool) isSet::b)
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isSet: scope:[isSet] from main::@1
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[18] (byte~) isSet::$0 ← (byte) isSet::i#0 & (byte) 8
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[19] (bool~) isSet::$1 ← (byte~) isSet::$0 != (byte) 0
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[20] (bool) isSet::return#1 ← (bool) isSet::b#0 || (bool~) isSet::$1
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to:isSet::@return
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isSet::@return: scope:[isSet] from isSet
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[21] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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(bool()) isSet((byte) isSet::i , (bool) isSet::b)
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(byte~) isSet::$0 2002.0
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(bool~) isSet::$1 2002.0
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(bool) isSet::b
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(bool) isSet::b#0 275.5
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(byte) isSet::i
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(byte) isSet::i#0 1102.0
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(bool) isSet::return
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(bool) isSet::return#0 202.0
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(bool) isSet::return#1 367.33333333333337
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(void()) main()
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(byte~) main::$0 202.0
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(bool~) main::$2 202.0
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(byte) main::i
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(byte) main::i#1 151.5
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(byte) main::i#2 60.6
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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Added variable main::$0 to live range equivalence class [ main::$0 ]
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Added variable isSet::b#0 to live range equivalence class [ isSet::b#0 ]
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Added variable isSet::i#0 to live range equivalence class [ isSet::i#0 ]
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Added variable isSet::return#0 to live range equivalence class [ isSet::return#0 ]
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Added variable main::$2 to live range equivalence class [ main::$2 ]
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Added variable isSet::$0 to live range equivalence class [ isSet::$0 ]
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Added variable isSet::$1 to live range equivalence class [ isSet::$1 ]
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Added variable isSet::return#1 to live range equivalence class [ isSet::return#1 ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::$0 ]
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[ isSet::b#0 ]
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[ isSet::i#0 ]
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[ isSet::return#0 ]
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[ main::$2 ]
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[ isSet::$0 ]
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[ isSet::$1 ]
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[ isSet::return#1 ]
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Allocated zp[1]:2 [ main::i#2 main::i#1 ]
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Allocated zp[1]:3 [ main::$0 ]
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Allocated zp[1]:4 [ isSet::b#0 ]
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Allocated zp[1]:5 [ isSet::i#0 ]
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Allocated zp[1]:6 [ isSet::return#0 ]
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Allocated zp[1]:7 [ main::$2 ]
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Allocated zp[1]:8 [ isSet::$0 ]
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Allocated zp[1]:9 [ isSet::$1 ]
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Allocated zp[1]:10 [ isSet::return#1 ]
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INITIAL ASM
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Target platform is c64basic / MOS6502X
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// File Comments
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// Test a function taking boolean parameter and returning boolean result
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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// Global Constants & labels
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// @begin
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__bbegin:
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// [1] phi from @begin to @1 [phi:@begin->@1]
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__b1_from___bbegin:
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jmp __b1
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// @1
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__b1:
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// [2] call main
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// [4] phi from @1 to main [phi:@1->main]
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main_from___b1:
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jsr main
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// [3] phi from @1 to @end [phi:@1->@end]
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__bend_from___b1:
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jmp __bend
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// @end
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__bend:
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// main
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main: {
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.label screen = $400
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.label __0 = 3
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.label __2 = 7
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.label i = 2
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// [5] phi from main to main::@1 [phi:main->main::@1]
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__b1_from_main:
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// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
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lda #0
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sta.z i
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jmp __b1
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// [5] phi from main::@3 to main::@1 [phi:main::@3->main::@1]
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__b1_from___b3:
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// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@3->main::@1#0] -- register_copy
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jmp __b1
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// main::@1
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__b1:
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// [6] (byte~) main::$0 ← (byte) main::i#2 & (byte) 1 -- vbuz1=vbuz2_band_vbuc1
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lda #1
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and.z i
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sta.z __0
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// [7] (bool) isSet::b#0 ← (byte~) main::$0 == (byte) 0 -- vboz1=vbuz2_eq_vbuc1
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lda.z __0
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eor #0
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beq !+
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lda #1
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!:
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eor #1
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sta.z isSet.b
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// [8] (byte) isSet::i#0 ← (byte) main::i#2 -- vbuz1=vbuz2
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lda.z i
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sta.z isSet.i
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// [9] call isSet
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jsr isSet
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// [10] (bool) isSet::return#0 ← (bool) isSet::return#1 -- vboz1=vboz2
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lda.z isSet.return_1
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sta.z isSet.return
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jmp __b5
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// main::@5
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__b5:
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// [11] (bool~) main::$2 ← (bool) isSet::return#0 -- vboz1=vboz2
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lda.z isSet.return
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sta.z __2
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// [12] if((bool~) main::$2) goto main::@2 -- vboz1_then_la1
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lda.z __2
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cmp #0
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bne __b2
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jmp __b4
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// main::@4
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__b4:
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// [13] *((const byte*) main::screen + (byte) main::i#2) ← (byte) ' ' -- pbuc1_derefidx_vbuz1=vbuc2
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lda #' '
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ldy.z i
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sta screen,y
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jmp __b3
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// main::@3
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__b3:
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// [14] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
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inc.z i
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// [15] if((byte) main::i#1!=(byte) $65) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #$65
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cmp.z i
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bne __b1_from___b3
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jmp __breturn
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// main::@return
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__breturn:
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// [16] return
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rts
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// main::@2
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__b2:
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// [17] *((const byte*) main::screen + (byte) main::i#2) ← (byte) '*' -- pbuc1_derefidx_vbuz1=vbuc2
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lda #'*'
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ldy.z i
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sta screen,y
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jmp __b3
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}
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// isSet
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// Determine whether to set a char to '*.
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// Returns true if i&8!=0 or b=true
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// isSet(byte zp(5) i, bool zp(4) b)
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isSet: {
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.label __0 = 8
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.label __1 = 9
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.label i = 5
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.label b = 4
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.label return = 6
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.label return_1 = $a
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// [18] (byte~) isSet::$0 ← (byte) isSet::i#0 & (byte) 8 -- vbuz1=vbuz2_band_vbuc1
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lda #8
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and.z i
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sta.z __0
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// [19] (bool~) isSet::$1 ← (byte~) isSet::$0 != (byte) 0 -- vboz1=vbuz2_neq_vbuc1
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lda.z __0
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eor #0
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beq !+
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lda #1
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!:
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sta.z __1
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// [20] (bool) isSet::return#1 ← (bool) isSet::b#0 || (bool~) isSet::$1 -- vboz1=vboz2_or_vboz3
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lda.z b
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ora.z __1
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sta.z return_1
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jmp __breturn
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// isSet::@return
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__breturn:
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// [21] return
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rts
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}
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// File Data
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [7] (bool) isSet::b#0 ← (byte~) main::$0 == (byte) 0 [ main::i#2 isSet::b#0 ] ( main:2 [ main::i#2 isSet::b#0 ] { { isSet::i#0 = main::i#2 } { isSet::return#0 = isSet::return#1 } } ) 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 ]
|
|
Statement [13] *((const byte*) main::screen + (byte) main::i#2) ← (byte) ' ' [ main::i#2 ] ( main:2 [ main::i#2 ] { } ) always clobbers reg byte a
|
|
Statement [17] *((const byte*) main::screen + (byte) main::i#2) ← (byte) '*' [ main::i#2 ] ( main:2 [ main::i#2 ] { } ) always clobbers reg byte a
|
|
Statement [19] (bool~) isSet::$1 ← (byte~) isSet::$0 != (byte) 0 [ isSet::b#0 isSet::$1 ] ( main:2::isSet:9 [ main::i#2 isSet::b#0 isSet::$1 ] { { isSet::i#0 = main::i#2 } { isSet::return#0 = isSet::return#1 } } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:4 [ isSet::b#0 ]
|
|
Statement [20] (bool) isSet::return#1 ← (bool) isSet::b#0 || (bool~) isSet::$1 [ isSet::return#1 ] ( main:2::isSet:9 [ main::i#2 isSet::return#1 ] { { isSet::i#0 = main::i#2 } { isSet::return#0 = isSet::return#1 } } ) always clobbers reg byte a
|
|
Statement [6] (byte~) main::$0 ← (byte) main::i#2 & (byte) 1 [ main::i#2 main::$0 ] ( main:2 [ main::i#2 main::$0 ] { { isSet::i#0 = main::i#2 } { isSet::return#0 = isSet::return#1 } } ) always clobbers reg byte a
|
|
Statement [7] (bool) isSet::b#0 ← (byte~) main::$0 == (byte) 0 [ main::i#2 isSet::b#0 ] ( main:2 [ main::i#2 isSet::b#0 ] { { isSet::i#0 = main::i#2 } { isSet::return#0 = isSet::return#1 } } ) always clobbers reg byte a
|
|
Statement [13] *((const byte*) main::screen + (byte) main::i#2) ← (byte) ' ' [ main::i#2 ] ( main:2 [ main::i#2 ] { } ) always clobbers reg byte a
|
|
Statement [17] *((const byte*) main::screen + (byte) main::i#2) ← (byte) '*' [ main::i#2 ] ( main:2 [ main::i#2 ] { } ) always clobbers reg byte a
|
|
Statement [19] (bool~) isSet::$1 ← (byte~) isSet::$0 != (byte) 0 [ isSet::b#0 isSet::$1 ] ( main:2::isSet:9 [ main::i#2 isSet::b#0 isSet::$1 ] { { isSet::i#0 = main::i#2 } { isSet::return#0 = isSet::return#1 } } ) always clobbers reg byte a
|
|
Statement [20] (bool) isSet::return#1 ← (bool) isSet::b#0 || (bool~) isSet::$1 [ isSet::return#1 ] ( main:2::isSet:9 [ main::i#2 isSet::return#1 ] { { isSet::i#0 = main::i#2 } { isSet::return#0 = isSet::return#1 } } ) always clobbers reg byte a
|
|
Potential registers zp[1]:2 [ main::i#2 main::i#1 ] : zp[1]:2 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:3 [ main::$0 ] : zp[1]:3 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:4 [ isSet::b#0 ] : zp[1]:4 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:5 [ isSet::i#0 ] : zp[1]:5 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:6 [ isSet::return#0 ] : zp[1]:6 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:7 [ main::$2 ] : zp[1]:7 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:8 [ isSet::$0 ] : zp[1]:8 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:9 [ isSet::$1 ] : zp[1]:9 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:10 [ isSet::return#1 ] : zp[1]:10 , reg byte a , reg byte x , reg byte y ,
|
|
|
|
REGISTER UPLIFT SCOPES
|
|
Uplift Scope [isSet] 2,002: zp[1]:8 [ isSet::$0 ] 2,002: zp[1]:9 [ isSet::$1 ] 1,102: zp[1]:5 [ isSet::i#0 ] 367.33: zp[1]:10 [ isSet::return#1 ] 275.5: zp[1]:4 [ isSet::b#0 ] 202: zp[1]:6 [ isSet::return#0 ]
|
|
Uplift Scope [main] 212.1: zp[1]:2 [ main::i#2 main::i#1 ] 202: zp[1]:3 [ main::$0 ] 202: zp[1]:7 [ main::$2 ]
|
|
Uplift Scope []
|
|
|
|
Uplifting [isSet] best 1103 combination reg byte a [ isSet::$0 ] reg byte a [ isSet::$1 ] reg byte a [ isSet::i#0 ] reg byte a [ isSet::return#1 ] zp[1]:4 [ isSet::b#0 ] zp[1]:6 [ isSet::return#0 ]
|
|
Limited combination testing to 100 combinations of 3072 possible.
|
|
Uplifting [main] best 813 combination reg byte x [ main::i#2 main::i#1 ] reg byte a [ main::$0 ] reg byte a [ main::$2 ]
|
|
Uplifting [] best 813 combination
|
|
Attempting to uplift remaining variables inzp[1]:4 [ isSet::b#0 ]
|
|
Uplifting [isSet] best 806 combination reg byte y [ isSet::b#0 ]
|
|
Attempting to uplift remaining variables inzp[1]:6 [ isSet::return#0 ]
|
|
Uplifting [isSet] best 746 combination reg byte a [ isSet::return#0 ]
|
|
|
|
ASSEMBLER BEFORE OPTIMIZATION
|
|
// File Comments
|
|
// Test a function taking boolean parameter and returning boolean result
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
// @begin
|
|
__bbegin:
|
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
|
__b1_from___bbegin:
|
|
jmp __b1
|
|
// @1
|
|
__b1:
|
|
// [2] call main
|
|
// [4] phi from @1 to main [phi:@1->main]
|
|
main_from___b1:
|
|
jsr main
|
|
// [3] phi from @1 to @end [phi:@1->@end]
|
|
__bend_from___b1:
|
|
jmp __bend
|
|
// @end
|
|
__bend:
|
|
// main
|
|
main: {
|
|
.label screen = $400
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
|
__b1_from_main:
|
|
// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
jmp __b1
|
|
// [5] phi from main::@3 to main::@1 [phi:main::@3->main::@1]
|
|
__b1_from___b3:
|
|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@3->main::@1#0] -- register_copy
|
|
jmp __b1
|
|
// main::@1
|
|
__b1:
|
|
// [6] (byte~) main::$0 ← (byte) main::i#2 & (byte) 1 -- vbuaa=vbuxx_band_vbuc1
|
|
txa
|
|
and #1
|
|
// [7] (bool) isSet::b#0 ← (byte~) main::$0 == (byte) 0 -- vboyy=vbuaa_eq_vbuc1
|
|
eor #0
|
|
beq !+
|
|
lda #1
|
|
!:
|
|
eor #1
|
|
tay
|
|
// [8] (byte) isSet::i#0 ← (byte) main::i#2 -- vbuaa=vbuxx
|
|
txa
|
|
// [9] call isSet
|
|
jsr isSet
|
|
// [10] (bool) isSet::return#0 ← (bool) isSet::return#1
|
|
jmp __b5
|
|
// main::@5
|
|
__b5:
|
|
// [11] (bool~) main::$2 ← (bool) isSet::return#0
|
|
// [12] if((bool~) main::$2) goto main::@2 -- vboaa_then_la1
|
|
cmp #0
|
|
bne __b2
|
|
jmp __b4
|
|
// main::@4
|
|
__b4:
|
|
// [13] *((const byte*) main::screen + (byte) main::i#2) ← (byte) ' ' -- pbuc1_derefidx_vbuxx=vbuc2
|
|
lda #' '
|
|
sta screen,x
|
|
jmp __b3
|
|
// main::@3
|
|
__b3:
|
|
// [14] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [15] if((byte) main::i#1!=(byte) $65) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #$65
|
|
bne __b1_from___b3
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [16] return
|
|
rts
|
|
// main::@2
|
|
__b2:
|
|
// [17] *((const byte*) main::screen + (byte) main::i#2) ← (byte) '*' -- pbuc1_derefidx_vbuxx=vbuc2
|
|
lda #'*'
|
|
sta screen,x
|
|
jmp __b3
|
|
}
|
|
// isSet
|
|
// Determine whether to set a char to '*.
|
|
// Returns true if i&8!=0 or b=true
|
|
// isSet(byte register(A) i, bool register(Y) b)
|
|
isSet: {
|
|
// [18] (byte~) isSet::$0 ← (byte) isSet::i#0 & (byte) 8 -- vbuaa=vbuaa_band_vbuc1
|
|
and #8
|
|
// [19] (bool~) isSet::$1 ← (byte~) isSet::$0 != (byte) 0 -- vboaa=vbuaa_neq_vbuc1
|
|
eor #0
|
|
beq !+
|
|
lda #1
|
|
!:
|
|
// [20] (bool) isSet::return#1 ← (bool) isSet::b#0 || (bool~) isSet::$1 -- vboaa=vboyy_or_vboaa
|
|
sty.z $ff
|
|
ora.z $ff
|
|
jmp __breturn
|
|
// isSet::@return
|
|
__breturn:
|
|
// [21] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __bend
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b5
|
|
Removing instruction jmp __b4
|
|
Removing instruction jmp __b3
|
|
Removing instruction jmp __breturn
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Replacing label __b1_from___b3 with __b1
|
|
Removing instruction __b1_from___bbegin:
|
|
Removing instruction __b1:
|
|
Removing instruction main_from___b1:
|
|
Removing instruction __bend_from___b1:
|
|
Removing instruction __b1_from___b3:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __bbegin:
|
|
Removing instruction __bend:
|
|
Removing instruction __b1_from_main:
|
|
Removing instruction __b5:
|
|
Removing instruction __b4:
|
|
Removing instruction __breturn:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Removing instruction jsr main
|
|
Succesful ASM optimization Pass5SkipBegin
|
|
Removing instruction jmp __b1
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
(label) @1
|
|
(label) @begin
|
|
(label) @end
|
|
(bool()) isSet((byte) isSet::i , (bool) isSet::b)
|
|
(byte~) isSet::$0 reg byte a 2002.0
|
|
(bool~) isSet::$1 reg byte a 2002.0
|
|
(label) isSet::@return
|
|
(bool) isSet::b
|
|
(bool) isSet::b#0 reg byte y 275.5
|
|
(byte) isSet::i
|
|
(byte) isSet::i#0 reg byte a 1102.0
|
|
(bool) isSet::return
|
|
(bool) isSet::return#0 reg byte a 202.0
|
|
(bool) isSet::return#1 reg byte a 367.33333333333337
|
|
(void()) main()
|
|
(byte~) main::$0 reg byte a 202.0
|
|
(bool~) main::$2 reg byte a 202.0
|
|
(label) main::@1
|
|
(label) main::@2
|
|
(label) main::@3
|
|
(label) main::@4
|
|
(label) main::@5
|
|
(label) main::@return
|
|
(byte) main::i
|
|
(byte) main::i#1 reg byte x 151.5
|
|
(byte) main::i#2 reg byte x 60.6
|
|
(const byte*) main::screen = (byte*) 1024
|
|
|
|
reg byte x [ main::i#2 main::i#1 ]
|
|
reg byte a [ main::$0 ]
|
|
reg byte y [ isSet::b#0 ]
|
|
reg byte a [ isSet::i#0 ]
|
|
reg byte a [ isSet::return#0 ]
|
|
reg byte a [ main::$2 ]
|
|
reg byte a [ isSet::$0 ]
|
|
reg byte a [ isSet::$1 ]
|
|
reg byte a [ isSet::return#1 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 551
|
|
|
|
// File Comments
|
|
// Test a function taking boolean parameter and returning boolean result
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
// @begin
|
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
|
// @1
|
|
// [2] call main
|
|
// [4] phi from @1 to main [phi:@1->main]
|
|
// [3] phi from @1 to @end [phi:@1->@end]
|
|
// @end
|
|
// main
|
|
main: {
|
|
.label screen = $400
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
|
// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [5] phi from main::@3 to main::@1 [phi:main::@3->main::@1]
|
|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@3->main::@1#0] -- register_copy
|
|
// main::@1
|
|
__b1:
|
|
// i&1
|
|
// [6] (byte~) main::$0 ← (byte) main::i#2 & (byte) 1 -- vbuaa=vbuxx_band_vbuc1
|
|
txa
|
|
and #1
|
|
// isSet(i, (i&1)==0)
|
|
// [7] (bool) isSet::b#0 ← (byte~) main::$0 == (byte) 0 -- vboyy=vbuaa_eq_vbuc1
|
|
eor #0
|
|
beq !+
|
|
lda #1
|
|
!:
|
|
eor #1
|
|
tay
|
|
// [8] (byte) isSet::i#0 ← (byte) main::i#2 -- vbuaa=vbuxx
|
|
txa
|
|
// [9] call isSet
|
|
jsr isSet
|
|
// [10] (bool) isSet::return#0 ← (bool) isSet::return#1
|
|
// main::@5
|
|
// [11] (bool~) main::$2 ← (bool) isSet::return#0
|
|
// if( isSet(i, (i&1)==0))
|
|
// [12] if((bool~) main::$2) goto main::@2 -- vboaa_then_la1
|
|
cmp #0
|
|
bne __b2
|
|
// main::@4
|
|
// screen[i] = ' '
|
|
// [13] *((const byte*) main::screen + (byte) main::i#2) ← (byte) ' ' -- pbuc1_derefidx_vbuxx=vbuc2
|
|
lda #' '
|
|
sta screen,x
|
|
// main::@3
|
|
__b3:
|
|
// for(byte i: 0..100)
|
|
// [14] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [15] if((byte) main::i#1!=(byte) $65) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #$65
|
|
bne __b1
|
|
// main::@return
|
|
// }
|
|
// [16] return
|
|
rts
|
|
// main::@2
|
|
__b2:
|
|
// screen[i] = '*'
|
|
// [17] *((const byte*) main::screen + (byte) main::i#2) ← (byte) '*' -- pbuc1_derefidx_vbuxx=vbuc2
|
|
lda #'*'
|
|
sta screen,x
|
|
jmp __b3
|
|
}
|
|
// isSet
|
|
// Determine whether to set a char to '*.
|
|
// Returns true if i&8!=0 or b=true
|
|
// isSet(byte register(A) i, bool register(Y) b)
|
|
isSet: {
|
|
// i&8
|
|
// [18] (byte~) isSet::$0 ← (byte) isSet::i#0 & (byte) 8 -- vbuaa=vbuaa_band_vbuc1
|
|
and #8
|
|
// (i&8)!=0
|
|
// [19] (bool~) isSet::$1 ← (byte~) isSet::$0 != (byte) 0 -- vboaa=vbuaa_neq_vbuc1
|
|
eor #0
|
|
beq !+
|
|
lda #1
|
|
!:
|
|
// b || ((i&8)!=0)
|
|
// [20] (bool) isSet::return#1 ← (bool) isSet::b#0 || (bool~) isSet::$1 -- vboaa=vboyy_or_vboaa
|
|
sty.z $ff
|
|
ora.z $ff
|
|
// isSet::@return
|
|
// }
|
|
// [21] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|