mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-29 03:56:15 +00:00
840 lines
27 KiB
Plaintext
840 lines
27 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::a#0 ← (byte) 0
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to:main::@1
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main::@1: scope:[main] from main main::@5
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(byte) main::a#7 ← phi( main/(byte) main::a#0 main::@5/(byte) main::a#1 )
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(byte) main::b#0 ← (byte) 0
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to:main::@2
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main::@2: scope:[main] from main::@1 main::@4
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(byte) main::b#4 ← phi( main::@1/(byte) main::b#0 main::@4/(byte) main::b#1 )
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(byte) main::a#4 ← phi( main::@1/(byte) main::a#7 main::@4/(byte) main::a#6 )
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(byte) main::c#0 ← (byte) 0
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to:main::@3
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main::@3: scope:[main] from main::@2 main::@6
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(byte) main::b#2 ← phi( main::@2/(byte) main::b#4 main::@6/(byte) main::b#5 )
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(byte) main::a#2 ← phi( main::@2/(byte) main::a#4 main::@6/(byte) main::a#5 )
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(byte) main::c#2 ← phi( main::@2/(byte) main::c#0 main::@6/(byte) main::c#1 )
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(byte~) main::$0 ← (byte) main::c#2 + (byte) main::a#2
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(byte) main::ca#0 ← (byte~) main::$0
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(byte) print::b#0 ← (byte) main::b#2
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(byte) print::ca#0 ← (byte) main::ca#0
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call print
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to:main::@6
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main::@6: scope:[main] from main::@3
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(byte) main::b#5 ← phi( main::@3/(byte) main::b#2 )
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(byte) main::a#5 ← phi( main::@3/(byte) main::a#2 )
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(byte) main::c#3 ← phi( main::@3/(byte) main::c#2 )
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(byte) main::c#1 ← (byte) main::c#3 + rangenext(0,$64)
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(bool~) main::$2 ← (byte) main::c#1 != rangelast(0,$64)
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if((bool~) main::$2) goto main::@3
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to:main::@4
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main::@4: scope:[main] from main::@6
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(byte) main::a#6 ← phi( main::@6/(byte) main::a#5 )
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(byte) main::b#3 ← phi( main::@6/(byte) main::b#5 )
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(byte) main::b#1 ← (byte) main::b#3 + rangenext(0,$64)
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(bool~) main::$3 ← (byte) main::b#1 != rangelast(0,$64)
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if((bool~) main::$3) goto main::@2
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to:main::@5
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main::@5: scope:[main] from main::@4
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(byte) main::a#3 ← phi( main::@4/(byte) main::a#6 )
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(byte) main::a#1 ← (byte) main::a#3 + rangenext(0,$64)
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(bool~) main::$4 ← (byte) main::a#1 != rangelast(0,$64)
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if((bool~) main::$4) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@5
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return
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to:@return
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(void()) print((byte) print::b , (byte) print::ca)
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print: scope:[print] from main::@3
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(byte) print::ca#1 ← phi( main::@3/(byte) print::ca#0 )
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(byte) print::b#1 ← phi( main::@3/(byte) print::b#0 )
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(byte) out::b#0 ← (byte) print::b#1
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(byte) out::ca#0 ← (byte) print::ca#1
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call out
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to:print::@1
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print::@1: scope:[print] from print
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to:print::@return
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print::@return: scope:[print] from print::@1
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return
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to:@return
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(void()) out((byte) out::b , (byte) out::ca)
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out: scope:[out] from print
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(byte) out::b#1 ← phi( print/(byte) out::b#0 )
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(byte) out::ca#1 ← phi( print/(byte) out::ca#0 )
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*((const nomodify byte*) SCREEN + (byte) out::b#1) ← (byte) out::ca#1
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to:out::@return
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out::@return: scope:[out] from out
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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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(const nomodify byte*) SCREEN = (byte*)(number) $400
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(void()) main()
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(byte~) main::$0
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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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(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::@6
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(label) main::@return
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(byte) main::a
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(byte) main::a#0
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(byte) main::a#1
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(byte) main::a#2
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(byte) main::a#3
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(byte) main::a#4
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(byte) main::a#5
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(byte) main::a#6
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(byte) main::a#7
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(byte) main::b
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(byte) main::b#0
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(byte) main::b#1
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(byte) main::b#2
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(byte) main::b#3
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(byte) main::b#4
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(byte) main::b#5
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(byte) main::c
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(byte) main::c#0
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(byte) main::c#1
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(byte) main::c#2
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(byte) main::c#3
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(byte) main::ca
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(byte) main::ca#0
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(void()) out((byte) out::b , (byte) out::ca)
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(label) out::@return
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(byte) out::b
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(byte) out::b#0
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(byte) out::b#1
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(byte) out::ca
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(byte) out::ca#0
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(byte) out::ca#1
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(void()) print((byte) print::b , (byte) print::ca)
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(label) print::@1
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(label) print::@return
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(byte) print::b
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(byte) print::b#0
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(byte) print::b#1
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(byte) print::ca
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(byte) print::ca#0
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(byte) print::ca#1
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Simplifying constant pointer cast (byte*) 1024
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Successful SSA optimization PassNCastSimplification
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Alias main::ca#0 = main::$0
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Alias main::c#2 = main::c#3
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Alias main::a#2 = main::a#5 main::a#6 main::a#3
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Alias main::b#2 = main::b#5 main::b#3
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Successful SSA optimization Pass2AliasElimination
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Identical Phi Values (byte) main::a#2 (byte) main::a#4
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Identical Phi Values (byte) main::b#2 (byte) main::b#4
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Identical Phi Values (byte) print::b#1 (byte) print::b#0
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Identical Phi Values (byte) print::ca#1 (byte) print::ca#0
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Identical Phi Values (byte) out::ca#1 (byte) out::ca#0
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Identical Phi Values (byte) out::b#1 (byte) out::b#0
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Successful SSA optimization Pass2IdenticalPhiElimination
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Identical Phi Values (byte) main::a#4 (byte) main::a#7
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Successful SSA optimization Pass2IdenticalPhiElimination
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Simple Condition (bool~) main::$2 [12] if((byte) main::c#1!=rangelast(0,$64)) goto main::@3
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Simple Condition (bool~) main::$3 [15] if((byte) main::b#1!=rangelast(0,$64)) goto main::@2
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Simple Condition (bool~) main::$4 [18] if((byte) main::a#1!=rangelast(0,$64)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant (const byte) main::a#0 = 0
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Constant (const byte) main::b#0 = 0
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Constant (const byte) main::c#0 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [10] main::c#1 ← ++ main::c#2 to ++
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Resolved ranged comparison value [12] if(main::c#1!=rangelast(0,$64)) goto main::@3 to (number) $65
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Resolved ranged next value [13] main::b#1 ← ++ main::b#4 to ++
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Resolved ranged comparison value [15] if(main::b#1!=rangelast(0,$64)) goto main::@2 to (number) $65
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Resolved ranged next value [16] main::a#1 ← ++ main::a#7 to ++
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Resolved ranged comparison value [18] if(main::a#1!=rangelast(0,$64)) goto main::@1 to (number) $65
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Adding number conversion cast (unumber) $65 in if((byte) main::c#1!=(number) $65) goto main::@3
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Adding number conversion cast (unumber) $65 in if((byte) main::b#1!=(number) $65) goto main::@2
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Adding number conversion cast (unumber) $65 in if((byte) main::a#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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Simplifying constant integer cast $65
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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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Finalized unsigned number type (byte) $65
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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::a#0
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Inlining constant with var siblings (const byte) main::b#0
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Inlining constant with var siblings (const byte) main::c#0
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Constant inlined main::a#0 = (byte) 0
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Constant inlined main::c#0 = (byte) 0
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Constant inlined main::b#0 = (byte) 0
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Successful SSA optimization Pass2ConstantInlining
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Added new block during phi lifting main::@7(between main::@5 and main::@1)
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Added new block during phi lifting main::@8(between main::@4 and main::@2)
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Added new block during phi lifting main::@9(between main::@6 and main::@3)
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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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Adding NOP phi() at start of print::@1
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CALL GRAPH
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Calls in [] to main:2
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Calls in [main] to print:12
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Calls in [print] to out:25
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Created 3 initial phi equivalence classes
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Coalesced [20] main::a#8 ← main::a#1
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Coalesced [21] main::b#6 ← main::b#1
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Coalesced [22] main::c#4 ← main::c#1
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Coalesced down to 3 phi equivalence classes
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Culled Empty Block (label) @2
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Culled Empty Block (label) main::@7
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Culled Empty Block (label) main::@8
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Culled Empty Block (label) main::@9
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Culled Empty Block (label) print::@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 @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::@5
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[5] (byte) main::a#7 ← phi( main/(byte) 0 main::@5/(byte) main::a#1 )
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to:main::@2
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main::@2: scope:[main] from main::@1 main::@4
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[6] (byte) main::b#4 ← phi( main::@1/(byte) 0 main::@4/(byte) main::b#1 )
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to:main::@3
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main::@3: scope:[main] from main::@2 main::@6
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[7] (byte) main::c#2 ← phi( main::@2/(byte) 0 main::@6/(byte) main::c#1 )
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[8] (byte) main::ca#0 ← (byte) main::c#2 + (byte) main::a#7
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[9] (byte) print::b#0 ← (byte) main::b#4
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[10] (byte) print::ca#0 ← (byte) main::ca#0
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[11] call print
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to:main::@6
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main::@6: scope:[main] from main::@3
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[12] (byte) main::c#1 ← ++ (byte) main::c#2
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[13] if((byte) main::c#1!=(byte) $65) goto main::@3
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to:main::@4
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main::@4: scope:[main] from main::@6
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[14] (byte) main::b#1 ← ++ (byte) main::b#4
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[15] if((byte) main::b#1!=(byte) $65) goto main::@2
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to:main::@5
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main::@5: scope:[main] from main::@4
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[16] (byte) main::a#1 ← ++ (byte) main::a#7
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[17] if((byte) main::a#1!=(byte) $65) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@5
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[18] return
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to:@return
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(void()) print((byte) print::b , (byte) print::ca)
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print: scope:[print] from main::@3
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[19] (byte) out::b#0 ← (byte) print::b#0
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[20] (byte) out::ca#0 ← (byte) print::ca#0
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[21] call out
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to:print::@return
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print::@return: scope:[print] from print
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[22] return
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to:@return
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(void()) out((byte) out::b , (byte) out::ca)
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out: scope:[out] from print
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[23] *((const nomodify byte*) SCREEN + (byte) out::b#0) ← (byte) out::ca#0
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to:out::@return
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out::@return: scope:[out] from out
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[24] 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::a
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(byte) main::a#1 151.5
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(byte) main::a#7 927.5454545454544
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(byte) main::b
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(byte) main::b#1 1501.5
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(byte) main::b#4 1500.375
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(byte) main::c
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(byte) main::c#1 15001.5
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(byte) main::c#2 6000.6
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(byte) main::ca
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(byte) main::ca#0 10001.0
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(void()) out((byte) out::b , (byte) out::ca)
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(byte) out::b
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(byte) out::b#0 550001.0
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(byte) out::ca
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(byte) out::ca#0 1100002.0
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(void()) print((byte) print::b , (byte) print::ca)
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(byte) print::b
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(byte) print::b#0 55001.0
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(byte) print::ca
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(byte) print::ca#0 55001.0
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Initial phi equivalence classes
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[ main::a#7 main::a#1 ]
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[ main::b#4 main::b#1 ]
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[ main::c#2 main::c#1 ]
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Added variable main::ca#0 to live range equivalence class [ main::ca#0 ]
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Added variable print::b#0 to live range equivalence class [ print::b#0 ]
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Added variable print::ca#0 to live range equivalence class [ print::ca#0 ]
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Added variable out::b#0 to live range equivalence class [ out::b#0 ]
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Added variable out::ca#0 to live range equivalence class [ out::ca#0 ]
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Complete equivalence classes
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[ main::a#7 main::a#1 ]
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[ main::b#4 main::b#1 ]
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[ main::c#2 main::c#1 ]
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[ main::ca#0 ]
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[ print::b#0 ]
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[ print::ca#0 ]
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[ out::b#0 ]
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[ out::ca#0 ]
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Allocated zp[1]:2 [ main::a#7 main::a#1 ]
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Allocated zp[1]:3 [ main::b#4 main::b#1 ]
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Allocated zp[1]:4 [ main::c#2 main::c#1 ]
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Allocated zp[1]:5 [ main::ca#0 ]
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Allocated zp[1]:6 [ print::b#0 ]
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Allocated zp[1]:7 [ print::ca#0 ]
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Allocated zp[1]:8 [ out::b#0 ]
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Allocated zp[1]:9 [ out::ca#0 ]
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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 effective live range and register allocation
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// Here out::b, print::b and main::b can have the same allocation
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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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.label SCREEN = $400
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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 ca = 5
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.label c = 4
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.label b = 3
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.label a = 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::a#7 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
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lda #0
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sta.z a
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jmp __b1
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// [5] phi from main::@5 to main::@1 [phi:main::@5->main::@1]
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__b1_from___b5:
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// [5] phi (byte) main::a#7 = (byte) main::a#1 [phi:main::@5->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] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
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__b2_from___b1:
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// [6] phi (byte) main::b#4 = (byte) 0 [phi:main::@1->main::@2#0] -- vbuz1=vbuc1
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lda #0
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sta.z b
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jmp __b2
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// [6] phi from main::@4 to main::@2 [phi:main::@4->main::@2]
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__b2_from___b4:
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// [6] phi (byte) main::b#4 = (byte) main::b#1 [phi:main::@4->main::@2#0] -- register_copy
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jmp __b2
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// main::@2
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__b2:
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// [7] phi from main::@2 to main::@3 [phi:main::@2->main::@3]
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__b3_from___b2:
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// [7] phi (byte) main::c#2 = (byte) 0 [phi:main::@2->main::@3#0] -- vbuz1=vbuc1
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lda #0
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sta.z c
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jmp __b3
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// [7] phi from main::@6 to main::@3 [phi:main::@6->main::@3]
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__b3_from___b6:
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// [7] phi (byte) main::c#2 = (byte) main::c#1 [phi:main::@6->main::@3#0] -- register_copy
|
|
jmp __b3
|
|
// main::@3
|
|
__b3:
|
|
// [8] (byte) main::ca#0 ← (byte) main::c#2 + (byte) main::a#7 -- vbuz1=vbuz2_plus_vbuz3
|
|
lda.z c
|
|
clc
|
|
adc.z a
|
|
sta.z ca
|
|
// [9] (byte) print::b#0 ← (byte) main::b#4 -- vbuz1=vbuz2
|
|
lda.z b
|
|
sta.z print.b
|
|
// [10] (byte) print::ca#0 ← (byte) main::ca#0 -- vbuz1=vbuz2
|
|
lda.z ca
|
|
sta.z print.ca
|
|
// [11] call print
|
|
jsr print
|
|
jmp __b6
|
|
// main::@6
|
|
__b6:
|
|
// [12] (byte) main::c#1 ← ++ (byte) main::c#2 -- vbuz1=_inc_vbuz1
|
|
inc.z c
|
|
// [13] if((byte) main::c#1!=(byte) $65) goto main::@3 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #$65
|
|
cmp.z c
|
|
bne __b3_from___b6
|
|
jmp __b4
|
|
// main::@4
|
|
__b4:
|
|
// [14] (byte) main::b#1 ← ++ (byte) main::b#4 -- vbuz1=_inc_vbuz1
|
|
inc.z b
|
|
// [15] if((byte) main::b#1!=(byte) $65) goto main::@2 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #$65
|
|
cmp.z b
|
|
bne __b2_from___b4
|
|
jmp __b5
|
|
// main::@5
|
|
__b5:
|
|
// [16] (byte) main::a#1 ← ++ (byte) main::a#7 -- vbuz1=_inc_vbuz1
|
|
inc.z a
|
|
// [17] if((byte) main::a#1!=(byte) $65) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #$65
|
|
cmp.z a
|
|
bne __b1_from___b5
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [18] return
|
|
rts
|
|
}
|
|
// print
|
|
// print(byte zp(6) b, byte zp(7) ca)
|
|
print: {
|
|
.label b = 6
|
|
.label ca = 7
|
|
// [19] (byte) out::b#0 ← (byte) print::b#0 -- vbuz1=vbuz2
|
|
lda.z b
|
|
sta.z out.b
|
|
// [20] (byte) out::ca#0 ← (byte) print::ca#0 -- vbuz1=vbuz2
|
|
lda.z ca
|
|
sta.z out.ca
|
|
// [21] call out
|
|
jsr out
|
|
jmp __breturn
|
|
// print::@return
|
|
__breturn:
|
|
// [22] return
|
|
rts
|
|
}
|
|
// out
|
|
// out(byte zp(8) b, byte zp(9) ca)
|
|
out: {
|
|
.label b = 8
|
|
.label ca = 9
|
|
// [23] *((const nomodify byte*) SCREEN + (byte) out::b#0) ← (byte) out::ca#0 -- pbuc1_derefidx_vbuz1=vbuz2
|
|
lda.z ca
|
|
ldy.z b
|
|
sta SCREEN,y
|
|
jmp __breturn
|
|
// out::@return
|
|
__breturn:
|
|
// [24] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|
|
REGISTER UPLIFT POTENTIAL REGISTERS
|
|
Statement [8] (byte) main::ca#0 ← (byte) main::c#2 + (byte) main::a#7 [ main::a#7 main::b#4 main::c#2 main::ca#0 ] ( main:2 [ main::a#7 main::b#4 main::c#2 main::ca#0 ] { { print::b#0 = main::b#4 } { print::ca#0 = main::ca#0 } } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:2 [ main::a#7 main::a#1 ]
|
|
Removing always clobbered register reg byte a as potential for zp[1]:3 [ main::b#4 main::b#1 ]
|
|
Removing always clobbered register reg byte a as potential for zp[1]:4 [ main::c#2 main::c#1 ]
|
|
Statement [8] (byte) main::ca#0 ← (byte) main::c#2 + (byte) main::a#7 [ main::a#7 main::b#4 main::c#2 main::ca#0 ] ( main:2 [ main::a#7 main::b#4 main::c#2 main::ca#0 ] { { print::b#0 = main::b#4 } { print::ca#0 = main::ca#0 } } ) always clobbers reg byte a
|
|
Potential registers zp[1]:2 [ main::a#7 main::a#1 ] : zp[1]:2 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:3 [ main::b#4 main::b#1 ] : zp[1]:3 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:4 [ main::c#2 main::c#1 ] : zp[1]:4 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:5 [ main::ca#0 ] : zp[1]:5 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:6 [ print::b#0 ] : zp[1]:6 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:7 [ print::ca#0 ] : zp[1]:7 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:8 [ out::b#0 ] : zp[1]:8 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:9 [ out::ca#0 ] : zp[1]:9 , reg byte a , reg byte x , reg byte y ,
|
|
|
|
REGISTER UPLIFT SCOPES
|
|
Uplift Scope [out] 1,100,002: zp[1]:9 [ out::ca#0 ] 550,001: zp[1]:8 [ out::b#0 ]
|
|
Uplift Scope [print] 55,001: zp[1]:6 [ print::b#0 ] 55,001: zp[1]:7 [ print::ca#0 ]
|
|
Uplift Scope [main] 21,002.1: zp[1]:4 [ main::c#2 main::c#1 ] 10,001: zp[1]:5 [ main::ca#0 ] 3,001.88: zp[1]:3 [ main::b#4 main::b#1 ] 1,079.05: zp[1]:2 [ main::a#7 main::a#1 ]
|
|
Uplift Scope []
|
|
|
|
Uplifting [out] best 61468 combination reg byte a [ out::ca#0 ] reg byte x [ out::b#0 ]
|
|
Uplifting [print] best 55462 combination reg byte x [ print::b#0 ] reg byte a [ print::ca#0 ]
|
|
Uplifting [main] best 35562 combination reg byte y [ main::c#2 main::c#1 ] reg byte a [ main::ca#0 ] reg byte x [ main::b#4 main::b#1 ] zp[1]:2 [ main::a#7 main::a#1 ]
|
|
Limited combination testing to 100 combinations of 108 possible.
|
|
Uplifting [] best 35562 combination
|
|
Attempting to uplift remaining variables inzp[1]:2 [ main::a#7 main::a#1 ]
|
|
Uplifting [main] best 35562 combination zp[1]:2 [ main::a#7 main::a#1 ]
|
|
|
|
ASSEMBLER BEFORE OPTIMIZATION
|
|
// File Comments
|
|
// Test effective live range and register allocation
|
|
// Here out::b, print::b and main::b can have the same allocation
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
.label SCREEN = $400
|
|
// @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 a = 2
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
|
__b1_from_main:
|
|
// [5] phi (byte) main::a#7 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z a
|
|
jmp __b1
|
|
// [5] phi from main::@5 to main::@1 [phi:main::@5->main::@1]
|
|
__b1_from___b5:
|
|
// [5] phi (byte) main::a#7 = (byte) main::a#1 [phi:main::@5->main::@1#0] -- register_copy
|
|
jmp __b1
|
|
// main::@1
|
|
__b1:
|
|
// [6] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
|
|
__b2_from___b1:
|
|
// [6] phi (byte) main::b#4 = (byte) 0 [phi:main::@1->main::@2#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
jmp __b2
|
|
// [6] phi from main::@4 to main::@2 [phi:main::@4->main::@2]
|
|
__b2_from___b4:
|
|
// [6] phi (byte) main::b#4 = (byte) main::b#1 [phi:main::@4->main::@2#0] -- register_copy
|
|
jmp __b2
|
|
// main::@2
|
|
__b2:
|
|
// [7] phi from main::@2 to main::@3 [phi:main::@2->main::@3]
|
|
__b3_from___b2:
|
|
// [7] phi (byte) main::c#2 = (byte) 0 [phi:main::@2->main::@3#0] -- vbuyy=vbuc1
|
|
ldy #0
|
|
jmp __b3
|
|
// [7] phi from main::@6 to main::@3 [phi:main::@6->main::@3]
|
|
__b3_from___b6:
|
|
// [7] phi (byte) main::c#2 = (byte) main::c#1 [phi:main::@6->main::@3#0] -- register_copy
|
|
jmp __b3
|
|
// main::@3
|
|
__b3:
|
|
// [8] (byte) main::ca#0 ← (byte) main::c#2 + (byte) main::a#7 -- vbuaa=vbuyy_plus_vbuz1
|
|
tya
|
|
clc
|
|
adc.z a
|
|
// [9] (byte) print::b#0 ← (byte) main::b#4
|
|
// [10] (byte) print::ca#0 ← (byte) main::ca#0
|
|
// [11] call print
|
|
jsr print
|
|
jmp __b6
|
|
// main::@6
|
|
__b6:
|
|
// [12] (byte) main::c#1 ← ++ (byte) main::c#2 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [13] if((byte) main::c#1!=(byte) $65) goto main::@3 -- vbuyy_neq_vbuc1_then_la1
|
|
cpy #$65
|
|
bne __b3_from___b6
|
|
jmp __b4
|
|
// main::@4
|
|
__b4:
|
|
// [14] (byte) main::b#1 ← ++ (byte) main::b#4 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [15] if((byte) main::b#1!=(byte) $65) goto main::@2 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #$65
|
|
bne __b2_from___b4
|
|
jmp __b5
|
|
// main::@5
|
|
__b5:
|
|
// [16] (byte) main::a#1 ← ++ (byte) main::a#7 -- vbuz1=_inc_vbuz1
|
|
inc.z a
|
|
// [17] if((byte) main::a#1!=(byte) $65) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #$65
|
|
cmp.z a
|
|
bne __b1_from___b5
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [18] return
|
|
rts
|
|
}
|
|
// print
|
|
// print(byte register(X) b, byte register(A) ca)
|
|
print: {
|
|
// [19] (byte) out::b#0 ← (byte) print::b#0
|
|
// [20] (byte) out::ca#0 ← (byte) print::ca#0
|
|
// [21] call out
|
|
jsr out
|
|
jmp __breturn
|
|
// print::@return
|
|
__breturn:
|
|
// [22] return
|
|
rts
|
|
}
|
|
// out
|
|
// out(byte register(X) b, byte register(A) ca)
|
|
out: {
|
|
// [23] *((const nomodify byte*) SCREEN + (byte) out::b#0) ← (byte) out::ca#0 -- pbuc1_derefidx_vbuxx=vbuaa
|
|
sta SCREEN,x
|
|
jmp __breturn
|
|
// out::@return
|
|
__breturn:
|
|
// [24] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __bend
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __b3
|
|
Removing instruction jmp __b6
|
|
Removing instruction jmp __b4
|
|
Removing instruction jmp __b5
|
|
Removing instruction jmp __breturn
|
|
Removing instruction jmp __breturn
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Replacing label __b3_from___b6 with __b3
|
|
Replacing label __b2_from___b4 with __b2
|
|
Replacing label __b1_from___b5 with __b1
|
|
Removing instruction __b1_from___bbegin:
|
|
Removing instruction __b1:
|
|
Removing instruction main_from___b1:
|
|
Removing instruction __bend_from___b1:
|
|
Removing instruction __b1_from___b5:
|
|
Removing instruction __b2_from___b1:
|
|
Removing instruction __b2_from___b4:
|
|
Removing instruction __b3_from___b2:
|
|
Removing instruction __b3_from___b6:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __bbegin:
|
|
Removing instruction __bend:
|
|
Removing instruction __b1_from_main:
|
|
Removing instruction __b6:
|
|
Removing instruction __b4:
|
|
Removing instruction __b5:
|
|
Removing instruction __breturn:
|
|
Removing instruction __breturn:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Removing instruction jsr main
|
|
Succesful ASM optimization Pass5SkipBegin
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __b3
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
(label) @1
|
|
(label) @begin
|
|
(label) @end
|
|
(const nomodify byte*) SCREEN = (byte*) 1024
|
|
(void()) main()
|
|
(label) main::@1
|
|
(label) main::@2
|
|
(label) main::@3
|
|
(label) main::@4
|
|
(label) main::@5
|
|
(label) main::@6
|
|
(label) main::@return
|
|
(byte) main::a
|
|
(byte) main::a#1 a zp[1]:2 151.5
|
|
(byte) main::a#7 a zp[1]:2 927.5454545454544
|
|
(byte) main::b
|
|
(byte) main::b#1 reg byte x 1501.5
|
|
(byte) main::b#4 reg byte x 1500.375
|
|
(byte) main::c
|
|
(byte) main::c#1 reg byte y 15001.5
|
|
(byte) main::c#2 reg byte y 6000.6
|
|
(byte) main::ca
|
|
(byte) main::ca#0 reg byte a 10001.0
|
|
(void()) out((byte) out::b , (byte) out::ca)
|
|
(label) out::@return
|
|
(byte) out::b
|
|
(byte) out::b#0 reg byte x 550001.0
|
|
(byte) out::ca
|
|
(byte) out::ca#0 reg byte a 1100002.0
|
|
(void()) print((byte) print::b , (byte) print::ca)
|
|
(label) print::@return
|
|
(byte) print::b
|
|
(byte) print::b#0 reg byte x 55001.0
|
|
(byte) print::ca
|
|
(byte) print::ca#0 reg byte a 55001.0
|
|
|
|
zp[1]:2 [ main::a#7 main::a#1 ]
|
|
reg byte x [ main::b#4 main::b#1 ]
|
|
reg byte y [ main::c#2 main::c#1 ]
|
|
reg byte a [ main::ca#0 ]
|
|
reg byte x [ print::b#0 ]
|
|
reg byte a [ print::ca#0 ]
|
|
reg byte x [ out::b#0 ]
|
|
reg byte a [ out::ca#0 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 22554
|
|
|
|
// File Comments
|
|
// Test effective live range and register allocation
|
|
// Here out::b, print::b and main::b can have the same allocation
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
.label SCREEN = $400
|
|
// @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 a = 2
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
|
// [5] phi (byte) main::a#7 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z a
|
|
// [5] phi from main::@5 to main::@1 [phi:main::@5->main::@1]
|
|
// [5] phi (byte) main::a#7 = (byte) main::a#1 [phi:main::@5->main::@1#0] -- register_copy
|
|
// main::@1
|
|
__b1:
|
|
// [6] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
|
|
// [6] phi (byte) main::b#4 = (byte) 0 [phi:main::@1->main::@2#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [6] phi from main::@4 to main::@2 [phi:main::@4->main::@2]
|
|
// [6] phi (byte) main::b#4 = (byte) main::b#1 [phi:main::@4->main::@2#0] -- register_copy
|
|
// main::@2
|
|
__b2:
|
|
// [7] phi from main::@2 to main::@3 [phi:main::@2->main::@3]
|
|
// [7] phi (byte) main::c#2 = (byte) 0 [phi:main::@2->main::@3#0] -- vbuyy=vbuc1
|
|
ldy #0
|
|
// [7] phi from main::@6 to main::@3 [phi:main::@6->main::@3]
|
|
// [7] phi (byte) main::c#2 = (byte) main::c#1 [phi:main::@6->main::@3#0] -- register_copy
|
|
// main::@3
|
|
__b3:
|
|
// ca = c+a
|
|
// [8] (byte) main::ca#0 ← (byte) main::c#2 + (byte) main::a#7 -- vbuaa=vbuyy_plus_vbuz1
|
|
tya
|
|
clc
|
|
adc.z a
|
|
// print(b, ca)
|
|
// [9] (byte) print::b#0 ← (byte) main::b#4
|
|
// [10] (byte) print::ca#0 ← (byte) main::ca#0
|
|
// [11] call print
|
|
jsr print
|
|
// main::@6
|
|
// for( char c: 0..100 )
|
|
// [12] (byte) main::c#1 ← ++ (byte) main::c#2 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [13] if((byte) main::c#1!=(byte) $65) goto main::@3 -- vbuyy_neq_vbuc1_then_la1
|
|
cpy #$65
|
|
bne __b3
|
|
// main::@4
|
|
// for( char b: 0..100 )
|
|
// [14] (byte) main::b#1 ← ++ (byte) main::b#4 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [15] if((byte) main::b#1!=(byte) $65) goto main::@2 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #$65
|
|
bne __b2
|
|
// main::@5
|
|
// for(char a: 0..100 )
|
|
// [16] (byte) main::a#1 ← ++ (byte) main::a#7 -- vbuz1=_inc_vbuz1
|
|
inc.z a
|
|
// [17] if((byte) main::a#1!=(byte) $65) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #$65
|
|
cmp.z a
|
|
bne __b1
|
|
// main::@return
|
|
// }
|
|
// [18] return
|
|
rts
|
|
}
|
|
// print
|
|
// print(byte register(X) b, byte register(A) ca)
|
|
print: {
|
|
// out(b, ca)
|
|
// [19] (byte) out::b#0 ← (byte) print::b#0
|
|
// [20] (byte) out::ca#0 ← (byte) print::ca#0
|
|
// [21] call out
|
|
jsr out
|
|
// print::@return
|
|
// }
|
|
// [22] return
|
|
rts
|
|
}
|
|
// out
|
|
// out(byte register(X) b, byte register(A) ca)
|
|
out: {
|
|
// SCREEN[b] = ca
|
|
// [23] *((const nomodify byte*) SCREEN + (byte) out::b#0) ← (byte) out::ca#0 -- pbuc1_derefidx_vbuxx=vbuaa
|
|
sta SCREEN,x
|
|
// out::@return
|
|
// }
|
|
// [24] return
|
|
rts
|
|
}
|
|
// File Data
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|
|