mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-09 08:54:40 +00:00
786 lines
26 KiB
Plaintext
786 lines
26 KiB
Plaintext
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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(byte) idx#0 ← (byte) 0
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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) idx#18 ← phi( @1/(byte) idx#17 )
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(byte) main::i#0 ← (byte) 2
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to:main::@1
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main::@1: scope:[main] from main main::@2
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(byte) idx#15 ← phi( main/(byte) idx#18 main::@2/(byte) idx#1 )
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(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@2/(byte) main::i#1 )
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(bool~) main::$0 ← (number) 0 != (byte) main::i#2
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if((bool~) main::$0) goto main::@2
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to:main::@3
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main::@2: scope:[main] from main::@1
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(byte) idx#8 ← phi( main::@1/(byte) idx#15 )
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(byte) main::i#3 ← phi( main::@1/(byte) main::i#2 )
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*((const nomodify byte*) SCREEN + (byte) idx#8) ← (byte) main::i#3
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(byte) idx#1 ← ++ (byte) idx#8
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(byte) main::i#1 ← -- (byte) main::i#3
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to:main::@1
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main::@3: scope:[main] from main::@1
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(byte) idx#9 ← phi( main::@1/(byte) idx#15 )
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*((const nomodify byte*) SCREEN + (byte) idx#9) ← (byte) ' '
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(byte) idx#2 ← ++ (byte) idx#9
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(byte) main::j#0 ← (byte) 3
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to:main::@4
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main::@4: scope:[main] from main::@3 main::@5
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(byte) idx#16 ← phi( main::@3/(byte) idx#2 main::@5/(byte) idx#3 )
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(byte) main::j#2 ← phi( main::@3/(byte) main::j#0 main::@5/(byte) main::j#3 )
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(byte) main::j#1 ← -- (byte) main::j#2
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(bool~) main::$1 ← (number) 0 != (byte) main::j#1
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if((bool~) main::$1) goto main::@5
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to:main::@6
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main::@5: scope:[main] from main::@4
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(byte) idx#10 ← phi( main::@4/(byte) idx#16 )
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(byte) main::j#3 ← phi( main::@4/(byte) main::j#1 )
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*((const nomodify byte*) SCREEN + (byte) idx#10) ← (byte) main::j#3
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(byte) idx#3 ← ++ (byte) idx#10
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to:main::@4
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main::@6: scope:[main] from main::@4
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(byte) idx#11 ← phi( main::@4/(byte) idx#16 )
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*((const nomodify byte*) SCREEN + (byte) idx#11) ← (byte) ' '
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(byte) idx#4 ← ++ (byte) idx#11
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(byte) main::k#0 ← (byte) 2
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to:main::@7
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main::@7: scope:[main] from main::@6 main::@7
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(byte) idx#12 ← phi( main::@6/(byte) idx#4 main::@7/(byte) idx#5 )
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(byte) main::k#2 ← phi( main::@6/(byte) main::k#0 main::@7/(byte) main::k#1 )
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*((const nomodify byte*) SCREEN + (byte) idx#12) ← (byte) main::k#2
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(byte) idx#5 ← ++ (byte) idx#12
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(byte) main::k#1 ← -- (byte) main::k#2
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(bool~) main::$2 ← (number) 0 != (byte) main::k#1
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if((bool~) main::$2) goto main::@7
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to:main::@return
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main::@return: scope:[main] from main::@7
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(byte) idx#13 ← phi( main::@7/(byte) idx#5 )
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(byte) idx#6 ← (byte) idx#13
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return
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to:@return
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@1: scope:[] from @begin
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(byte) idx#17 ← phi( @begin/(byte) idx#0 )
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call main
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to:@2
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@2: scope:[] from @1
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(byte) idx#14 ← phi( @1/(byte) idx#6 )
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(byte) idx#7 ← (byte) idx#14
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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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(byte) idx
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(byte) idx#0
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(byte) idx#1
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(byte) idx#10
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(byte) idx#11
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(byte) idx#12
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(byte) idx#13
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(byte) idx#14
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(byte) idx#15
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(byte) idx#16
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(byte) idx#17
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(byte) idx#18
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(byte) idx#2
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(byte) idx#3
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(byte) idx#4
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(byte) idx#5
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(byte) idx#6
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(byte) idx#7
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(byte) idx#8
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(byte) idx#9
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(void()) main()
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(bool~) main::$0
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(bool~) main::$1
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(bool~) main::$2
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(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::@7
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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::j
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(byte) main::j#0
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(byte) main::j#1
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(byte) main::j#2
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(byte) main::j#3
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(byte) main::k
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(byte) main::k#0
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(byte) main::k#1
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(byte) main::k#2
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Adding number conversion cast (unumber) 0 in (bool~) main::$0 ← (number) 0 != (byte) main::i#2
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Adding number conversion cast (unumber) 0 in (bool~) main::$1 ← (number) 0 != (byte) main::j#1
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Adding number conversion cast (unumber) 0 in (bool~) main::$2 ← (number) 0 != (byte) main::k#1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant pointer cast (byte*) 1024
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Simplifying constant integer cast 0
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Simplifying constant integer cast 0
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Simplifying constant integer cast 0
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 0
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Alias main::i#2 = main::i#3
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Alias idx#15 = idx#8 idx#9
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Alias main::j#1 = main::j#3
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Alias idx#10 = idx#16 idx#11
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Alias idx#13 = idx#5 idx#6
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Alias idx#0 = idx#17
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Alias idx#14 = idx#7
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Successful SSA optimization Pass2AliasElimination
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Identical Phi Values (byte) idx#18 (byte) idx#0
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Identical Phi Values (byte) idx#14 (byte) idx#13
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Successful SSA optimization Pass2IdenticalPhiElimination
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Simple Condition (bool~) main::$0 [5] if((byte) 0!=(byte) main::i#2) goto main::@2
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Simple Condition (bool~) main::$1 [15] if((byte) 0!=(byte) main::j#1) goto main::@5
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Simple Condition (bool~) main::$2 [26] if((byte) 0!=(byte) main::k#1) goto main::@7
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant (const byte) idx#0 = 0
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Constant (const byte) main::i#0 = 2
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Constant (const byte) main::j#0 = 3
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Constant (const byte) main::k#0 = 2
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Successful SSA optimization Pass2ConstantIdentification
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Inlining constant with var siblings (const byte) main::i#0
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Inlining constant with var siblings (const byte) main::j#0
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Inlining constant with var siblings (const byte) main::k#0
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Inlining constant with var siblings (const byte) idx#0
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Constant inlined main::i#0 = (byte) 2
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Constant inlined main::k#0 = (byte) 2
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Constant inlined main::j#0 = (byte) 3
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Constant inlined idx#0 = (byte) 0
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Successful SSA optimization Pass2ConstantInlining
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Added new block during phi lifting main::@8(between main::@7 and main::@7)
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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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Created 6 initial phi equivalence classes
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Coalesced [10] idx#20 ← idx#2
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Coalesced [16] idx#22 ← idx#4
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Coalesced [23] main::k#3 ← main::k#1
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Coalesced [24] idx#23 ← idx#13
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Coalesced [27] main::j#4 ← main::j#1
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Coalesced [28] idx#21 ← idx#3
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Coalesced [32] main::i#4 ← main::i#1
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Coalesced [33] idx#19 ← idx#1
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Coalesced down to 6 phi equivalence classes
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Culled Empty Block (label) @2
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Culled Empty Block (label) main::@8
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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::@2
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[5] (byte) idx#15 ← phi( main/(byte) 0 main::@2/(byte) idx#1 )
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[5] (byte) main::i#2 ← phi( main/(byte) 2 main::@2/(byte) main::i#1 )
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[6] if((byte) 0!=(byte) main::i#2) goto main::@2
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to:main::@3
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main::@3: scope:[main] from main::@1
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[7] *((const nomodify byte*) SCREEN + (byte) idx#15) ← (byte) ' '
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[8] (byte) idx#2 ← ++ (byte) idx#15
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to:main::@4
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main::@4: scope:[main] from main::@3 main::@5
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[9] (byte) idx#10 ← phi( main::@3/(byte) idx#2 main::@5/(byte) idx#3 )
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[9] (byte) main::j#2 ← phi( main::@3/(byte) 3 main::@5/(byte) main::j#1 )
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[10] (byte) main::j#1 ← -- (byte) main::j#2
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[11] if((byte) 0!=(byte) main::j#1) goto main::@5
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to:main::@6
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main::@6: scope:[main] from main::@4
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[12] *((const nomodify byte*) SCREEN + (byte) idx#10) ← (byte) ' '
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[13] (byte) idx#4 ← ++ (byte) idx#10
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to:main::@7
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main::@7: scope:[main] from main::@6 main::@7
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[14] (byte) idx#12 ← phi( main::@6/(byte) idx#4 main::@7/(byte) idx#13 )
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[14] (byte) main::k#2 ← phi( main::@6/(byte) 2 main::@7/(byte) main::k#1 )
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[15] *((const nomodify byte*) SCREEN + (byte) idx#12) ← (byte) main::k#2
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[16] (byte) idx#13 ← ++ (byte) idx#12
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[17] (byte) main::k#1 ← -- (byte) main::k#2
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[18] if((byte) 0!=(byte) main::k#1) goto main::@7
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to:main::@return
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main::@return: scope:[main] from main::@7
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[19] return
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to:@return
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main::@5: scope:[main] from main::@4
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[20] *((const nomodify byte*) SCREEN + (byte) idx#10) ← (byte) main::j#1
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[21] (byte) idx#3 ← ++ (byte) idx#10
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to:main::@4
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main::@2: scope:[main] from main::@1
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[22] *((const nomodify byte*) SCREEN + (byte) idx#15) ← (byte) main::i#2
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[23] (byte) idx#1 ← ++ (byte) idx#15
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[24] (byte) main::i#1 ← -- (byte) main::i#2
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to:main::@1
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VARIABLE REGISTER WEIGHTS
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(byte) idx
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(byte) idx#1 101.0
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(byte) idx#10 67.2
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(byte) idx#12 157.0
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(byte) idx#13 67.33333333333333
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(byte) idx#15 81.25
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(byte) idx#2 22.0
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(byte) idx#3 202.0
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(byte) idx#4 22.0
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(void()) main()
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(byte) main::i
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(byte) main::i#1 202.0
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(byte) main::i#2 101.0
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(byte) main::j
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(byte) main::j#1 101.0
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(byte) main::j#2 202.0
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(byte) main::k
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(byte) main::k#1 151.5
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(byte) main::k#2 101.0
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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[ idx#15 idx#1 ]
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[ main::j#2 main::j#1 ]
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[ idx#10 idx#2 idx#3 ]
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[ main::k#2 main::k#1 ]
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[ idx#12 idx#4 idx#13 ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ idx#15 idx#1 ]
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[ main::j#2 main::j#1 ]
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[ idx#10 idx#2 idx#3 ]
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[ main::k#2 main::k#1 ]
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[ idx#12 idx#4 idx#13 ]
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Allocated zp[1]:2 [ main::i#2 main::i#1 ]
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Allocated zp[1]:3 [ idx#15 idx#1 ]
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Allocated zp[1]:4 [ main::j#2 main::j#1 ]
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Allocated zp[1]:5 [ idx#10 idx#2 idx#3 ]
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Allocated zp[1]:6 [ main::k#2 main::k#1 ]
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Allocated zp[1]:7 [ idx#12 idx#4 idx#13 ]
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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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// Tests using integer conditions in while() / for() / do..while
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// This should produce 'ba ba ba' at the top of the screen
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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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.label idx = 3
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.label idx_1 = 5
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.label idx_2 = 7
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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 i = 2
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// while()
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.label j = 4
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// do...while()
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.label k = 6
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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) idx#15 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
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lda #0
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sta.z idx
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// [5] phi (byte) main::i#2 = (byte) 2 [phi:main->main::@1#1] -- vbuz1=vbuc1
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lda #2
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sta.z i
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jmp __b1
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// for()
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// main::@1
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__b1:
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// [6] if((byte) 0!=(byte) main::i#2) goto main::@2 -- vbuc1_neq_vbuz1_then_la1
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lda #0
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cmp.z i
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bne __b2
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jmp __b3
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// main::@3
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__b3:
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// [7] *((const nomodify byte*) SCREEN + (byte) idx#15) ← (byte) ' ' -- pbuc1_derefidx_vbuz1=vbuc2
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lda #' '
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ldy.z idx
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sta SCREEN,y
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// [8] (byte) idx#2 ← ++ (byte) idx#15 -- vbuz1=_inc_vbuz2
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ldy.z idx
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iny
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sty.z idx_1
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// [9] phi from main::@3 to main::@4 [phi:main::@3->main::@4]
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__b4_from___b3:
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// [9] phi (byte) idx#10 = (byte) idx#2 [phi:main::@3->main::@4#0] -- register_copy
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// [9] phi (byte) main::j#2 = (byte) 3 [phi:main::@3->main::@4#1] -- vbuz1=vbuc1
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lda #3
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sta.z j
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jmp __b4
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// main::@4
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__b4:
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// [10] (byte) main::j#1 ← -- (byte) main::j#2 -- vbuz1=_dec_vbuz1
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dec.z j
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// [11] if((byte) 0!=(byte) main::j#1) goto main::@5 -- vbuc1_neq_vbuz1_then_la1
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lda #0
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cmp.z j
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bne __b5
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jmp __b6
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// main::@6
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__b6:
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// [12] *((const nomodify byte*) SCREEN + (byte) idx#10) ← (byte) ' ' -- pbuc1_derefidx_vbuz1=vbuc2
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lda #' '
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ldy.z idx_1
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sta SCREEN,y
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// [13] (byte) idx#4 ← ++ (byte) idx#10 -- vbuz1=_inc_vbuz2
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ldy.z idx_1
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iny
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sty.z idx_2
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// [14] phi from main::@6 to main::@7 [phi:main::@6->main::@7]
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__b7_from___b6:
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// [14] phi (byte) idx#12 = (byte) idx#4 [phi:main::@6->main::@7#0] -- register_copy
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// [14] phi (byte) main::k#2 = (byte) 2 [phi:main::@6->main::@7#1] -- vbuz1=vbuc1
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lda #2
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sta.z k
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jmp __b7
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// [14] phi from main::@7 to main::@7 [phi:main::@7->main::@7]
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__b7_from___b7:
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// [14] phi (byte) idx#12 = (byte) idx#13 [phi:main::@7->main::@7#0] -- register_copy
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// [14] phi (byte) main::k#2 = (byte) main::k#1 [phi:main::@7->main::@7#1] -- register_copy
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jmp __b7
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// main::@7
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__b7:
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// [15] *((const nomodify byte*) SCREEN + (byte) idx#12) ← (byte) main::k#2 -- pbuc1_derefidx_vbuz1=vbuz2
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lda.z k
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ldy.z idx_2
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sta SCREEN,y
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// [16] (byte) idx#13 ← ++ (byte) idx#12 -- vbuz1=_inc_vbuz1
|
|
inc.z idx_2
|
|
// [17] (byte) main::k#1 ← -- (byte) main::k#2 -- vbuz1=_dec_vbuz1
|
|
dec.z k
|
|
// [18] if((byte) 0!=(byte) main::k#1) goto main::@7 -- vbuc1_neq_vbuz1_then_la1
|
|
lda #0
|
|
cmp.z k
|
|
bne __b7_from___b7
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [19] return
|
|
rts
|
|
// main::@5
|
|
__b5:
|
|
// [20] *((const nomodify byte*) SCREEN + (byte) idx#10) ← (byte) main::j#1 -- pbuc1_derefidx_vbuz1=vbuz2
|
|
lda.z j
|
|
ldy.z idx_1
|
|
sta SCREEN,y
|
|
// [21] (byte) idx#3 ← ++ (byte) idx#10 -- vbuz1=_inc_vbuz1
|
|
inc.z idx_1
|
|
// [9] phi from main::@5 to main::@4 [phi:main::@5->main::@4]
|
|
__b4_from___b5:
|
|
// [9] phi (byte) idx#10 = (byte) idx#3 [phi:main::@5->main::@4#0] -- register_copy
|
|
// [9] phi (byte) main::j#2 = (byte) main::j#1 [phi:main::@5->main::@4#1] -- register_copy
|
|
jmp __b4
|
|
// main::@2
|
|
__b2:
|
|
// [22] *((const nomodify byte*) SCREEN + (byte) idx#15) ← (byte) main::i#2 -- pbuc1_derefidx_vbuz1=vbuz2
|
|
lda.z i
|
|
ldy.z idx
|
|
sta SCREEN,y
|
|
// [23] (byte) idx#1 ← ++ (byte) idx#15 -- vbuz1=_inc_vbuz1
|
|
inc.z idx
|
|
// [24] (byte) main::i#1 ← -- (byte) main::i#2 -- vbuz1=_dec_vbuz1
|
|
dec.z i
|
|
// [5] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
|
|
__b1_from___b2:
|
|
// [5] phi (byte) idx#15 = (byte) idx#1 [phi:main::@2->main::@1#0] -- register_copy
|
|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy
|
|
jmp __b1
|
|
}
|
|
// File Data
|
|
|
|
REGISTER UPLIFT POTENTIAL REGISTERS
|
|
Statement [7] *((const nomodify byte*) SCREEN + (byte) idx#15) ← (byte) ' ' [ idx#15 ] ( main:2 [ idx#15 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:3 [ idx#15 idx#1 ]
|
|
Statement [12] *((const nomodify byte*) SCREEN + (byte) idx#10) ← (byte) ' ' [ idx#10 ] ( main:2 [ idx#10 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:5 [ idx#10 idx#2 idx#3 ]
|
|
Statement [7] *((const nomodify byte*) SCREEN + (byte) idx#15) ← (byte) ' ' [ idx#15 ] ( main:2 [ idx#15 ] { } ) always clobbers reg byte a
|
|
Statement [12] *((const nomodify byte*) SCREEN + (byte) idx#10) ← (byte) ' ' [ idx#10 ] ( main:2 [ idx#10 ] { } ) always clobbers reg byte a
|
|
Potential registers zp[1]:2 [ main::i#2 main::i#1 ] : zp[1]:2 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:3 [ idx#15 idx#1 ] : zp[1]:3 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:4 [ main::j#2 main::j#1 ] : zp[1]:4 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:5 [ idx#10 idx#2 idx#3 ] : zp[1]:5 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:6 [ main::k#2 main::k#1 ] : zp[1]:6 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:7 [ idx#12 idx#4 idx#13 ] : zp[1]:7 , reg byte a , reg byte x , reg byte y ,
|
|
|
|
REGISTER UPLIFT SCOPES
|
|
Uplift Scope [main] 303: zp[1]:2 [ main::i#2 main::i#1 ] 303: zp[1]:4 [ main::j#2 main::j#1 ] 252.5: zp[1]:6 [ main::k#2 main::k#1 ]
|
|
Uplift Scope [] 291.2: zp[1]:5 [ idx#10 idx#2 idx#3 ] 246.33: zp[1]:7 [ idx#12 idx#4 idx#13 ] 182.25: zp[1]:3 [ idx#15 idx#1 ]
|
|
|
|
Uplifting [main] best 1079 combination reg byte x [ main::i#2 main::i#1 ] reg byte a [ main::j#2 main::j#1 ] reg byte a [ main::k#2 main::k#1 ]
|
|
Uplifting [] best 851 combination reg byte y [ idx#10 idx#2 idx#3 ] reg byte y [ idx#12 idx#4 idx#13 ] reg byte y [ idx#15 idx#1 ]
|
|
|
|
ASSEMBLER BEFORE OPTIMIZATION
|
|
// File Comments
|
|
// Tests using integer conditions in while() / for() / do..while
|
|
// This should produce 'ba ba ba' at the top of the screen
|
|
// 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: {
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
|
__b1_from_main:
|
|
// [5] phi (byte) idx#15 = (byte) 0 [phi:main->main::@1#0] -- vbuyy=vbuc1
|
|
ldy #0
|
|
// [5] phi (byte) main::i#2 = (byte) 2 [phi:main->main::@1#1] -- vbuxx=vbuc1
|
|
ldx #2
|
|
jmp __b1
|
|
// for()
|
|
// main::@1
|
|
__b1:
|
|
// [6] if((byte) 0!=(byte) main::i#2) goto main::@2 -- vbuc1_neq_vbuxx_then_la1
|
|
cpx #0
|
|
bne __b2
|
|
jmp __b3
|
|
// main::@3
|
|
__b3:
|
|
// [7] *((const nomodify byte*) SCREEN + (byte) idx#15) ← (byte) ' ' -- pbuc1_derefidx_vbuyy=vbuc2
|
|
lda #' '
|
|
sta SCREEN,y
|
|
// [8] (byte) idx#2 ← ++ (byte) idx#15 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [9] phi from main::@3 to main::@4 [phi:main::@3->main::@4]
|
|
__b4_from___b3:
|
|
// [9] phi (byte) idx#10 = (byte) idx#2 [phi:main::@3->main::@4#0] -- register_copy
|
|
// [9] phi (byte) main::j#2 = (byte) 3 [phi:main::@3->main::@4#1] -- vbuaa=vbuc1
|
|
lda #3
|
|
jmp __b4
|
|
// main::@4
|
|
__b4:
|
|
// [10] (byte) main::j#1 ← -- (byte) main::j#2 -- vbuaa=_dec_vbuaa
|
|
sec
|
|
sbc #1
|
|
// [11] if((byte) 0!=(byte) main::j#1) goto main::@5 -- vbuc1_neq_vbuaa_then_la1
|
|
cmp #0
|
|
bne __b5
|
|
jmp __b6
|
|
// main::@6
|
|
__b6:
|
|
// [12] *((const nomodify byte*) SCREEN + (byte) idx#10) ← (byte) ' ' -- pbuc1_derefidx_vbuyy=vbuc2
|
|
lda #' '
|
|
sta SCREEN,y
|
|
// [13] (byte) idx#4 ← ++ (byte) idx#10 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [14] phi from main::@6 to main::@7 [phi:main::@6->main::@7]
|
|
__b7_from___b6:
|
|
// [14] phi (byte) idx#12 = (byte) idx#4 [phi:main::@6->main::@7#0] -- register_copy
|
|
// [14] phi (byte) main::k#2 = (byte) 2 [phi:main::@6->main::@7#1] -- vbuaa=vbuc1
|
|
lda #2
|
|
jmp __b7
|
|
// [14] phi from main::@7 to main::@7 [phi:main::@7->main::@7]
|
|
__b7_from___b7:
|
|
// [14] phi (byte) idx#12 = (byte) idx#13 [phi:main::@7->main::@7#0] -- register_copy
|
|
// [14] phi (byte) main::k#2 = (byte) main::k#1 [phi:main::@7->main::@7#1] -- register_copy
|
|
jmp __b7
|
|
// main::@7
|
|
__b7:
|
|
// [15] *((const nomodify byte*) SCREEN + (byte) idx#12) ← (byte) main::k#2 -- pbuc1_derefidx_vbuyy=vbuaa
|
|
sta SCREEN,y
|
|
// [16] (byte) idx#13 ← ++ (byte) idx#12 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [17] (byte) main::k#1 ← -- (byte) main::k#2 -- vbuaa=_dec_vbuaa
|
|
sec
|
|
sbc #1
|
|
// [18] if((byte) 0!=(byte) main::k#1) goto main::@7 -- vbuc1_neq_vbuaa_then_la1
|
|
cmp #0
|
|
bne __b7_from___b7
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [19] return
|
|
rts
|
|
// main::@5
|
|
__b5:
|
|
// [20] *((const nomodify byte*) SCREEN + (byte) idx#10) ← (byte) main::j#1 -- pbuc1_derefidx_vbuyy=vbuaa
|
|
sta SCREEN,y
|
|
// [21] (byte) idx#3 ← ++ (byte) idx#10 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [9] phi from main::@5 to main::@4 [phi:main::@5->main::@4]
|
|
__b4_from___b5:
|
|
// [9] phi (byte) idx#10 = (byte) idx#3 [phi:main::@5->main::@4#0] -- register_copy
|
|
// [9] phi (byte) main::j#2 = (byte) main::j#1 [phi:main::@5->main::@4#1] -- register_copy
|
|
jmp __b4
|
|
// main::@2
|
|
__b2:
|
|
// [22] *((const nomodify byte*) SCREEN + (byte) idx#15) ← (byte) main::i#2 -- pbuc1_derefidx_vbuyy=vbuxx
|
|
txa
|
|
sta SCREEN,y
|
|
// [23] (byte) idx#1 ← ++ (byte) idx#15 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [24] (byte) main::i#1 ← -- (byte) main::i#2 -- vbuxx=_dec_vbuxx
|
|
dex
|
|
// [5] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
|
|
__b1_from___b2:
|
|
// [5] phi (byte) idx#15 = (byte) idx#1 [phi:main::@2->main::@1#0] -- register_copy
|
|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy
|
|
jmp __b1
|
|
}
|
|
// File Data
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __bend
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b3
|
|
Removing instruction jmp __b4
|
|
Removing instruction jmp __b6
|
|
Removing instruction jmp __b7
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Replacing label __b7_from___b7 with __b7
|
|
Removing instruction __b1_from___bbegin:
|
|
Removing instruction __b1:
|
|
Removing instruction main_from___b1:
|
|
Removing instruction __bend_from___b1:
|
|
Removing instruction __b7_from___b7:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __bbegin:
|
|
Removing instruction __bend:
|
|
Removing instruction __b1_from_main:
|
|
Removing instruction __b3:
|
|
Removing instruction __b4_from___b3:
|
|
Removing instruction __b6:
|
|
Removing instruction __b7_from___b6:
|
|
Removing instruction __breturn:
|
|
Removing instruction __b4_from___b5:
|
|
Removing instruction __b1_from___b2:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Removing instruction jsr main
|
|
Succesful ASM optimization Pass5SkipBegin
|
|
Removing instruction jmp __b7
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
(label) @1
|
|
(label) @begin
|
|
(label) @end
|
|
(const nomodify byte*) SCREEN = (byte*) 1024
|
|
(byte) idx
|
|
(byte) idx#1 reg byte y 101.0
|
|
(byte) idx#10 reg byte y 67.2
|
|
(byte) idx#12 reg byte y 157.0
|
|
(byte) idx#13 reg byte y 67.33333333333333
|
|
(byte) idx#15 reg byte y 81.25
|
|
(byte) idx#2 reg byte y 22.0
|
|
(byte) idx#3 reg byte y 202.0
|
|
(byte) idx#4 reg byte y 22.0
|
|
(void()) main()
|
|
(label) main::@1
|
|
(label) main::@2
|
|
(label) main::@3
|
|
(label) main::@4
|
|
(label) main::@5
|
|
(label) main::@6
|
|
(label) main::@7
|
|
(label) main::@return
|
|
(byte) main::i
|
|
(byte) main::i#1 reg byte x 202.0
|
|
(byte) main::i#2 reg byte x 101.0
|
|
(byte) main::j
|
|
(byte) main::j#1 reg byte a 101.0
|
|
(byte) main::j#2 reg byte a 202.0
|
|
(byte) main::k
|
|
(byte) main::k#1 reg byte a 151.5
|
|
(byte) main::k#2 reg byte a 101.0
|
|
|
|
reg byte x [ main::i#2 main::i#1 ]
|
|
reg byte y [ idx#15 idx#1 ]
|
|
reg byte a [ main::j#2 main::j#1 ]
|
|
reg byte y [ idx#10 idx#2 idx#3 ]
|
|
reg byte a [ main::k#2 main::k#1 ]
|
|
reg byte y [ idx#12 idx#4 idx#13 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 629
|
|
|
|
// File Comments
|
|
// Tests using integer conditions in while() / for() / do..while
|
|
// This should produce 'ba ba ba' at the top of the screen
|
|
// 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: {
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
|
// [5] phi (byte) idx#15 = (byte) 0 [phi:main->main::@1#0] -- vbuyy=vbuc1
|
|
ldy #0
|
|
// [5] phi (byte) main::i#2 = (byte) 2 [phi:main->main::@1#1] -- vbuxx=vbuc1
|
|
ldx #2
|
|
// for()
|
|
// main::@1
|
|
__b1:
|
|
// for( byte i=2;i;i--)
|
|
// [6] if((byte) 0!=(byte) main::i#2) goto main::@2 -- vbuc1_neq_vbuxx_then_la1
|
|
cpx #0
|
|
bne __b2
|
|
// main::@3
|
|
// SCREEN[idx++] = ' '
|
|
// [7] *((const nomodify byte*) SCREEN + (byte) idx#15) ← (byte) ' ' -- pbuc1_derefidx_vbuyy=vbuc2
|
|
lda #' '
|
|
sta SCREEN,y
|
|
// SCREEN[idx++] = ' ';
|
|
// [8] (byte) idx#2 ← ++ (byte) idx#15 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [9] phi from main::@3 to main::@4 [phi:main::@3->main::@4]
|
|
// [9] phi (byte) idx#10 = (byte) idx#2 [phi:main::@3->main::@4#0] -- register_copy
|
|
// [9] phi (byte) main::j#2 = (byte) 3 [phi:main::@3->main::@4#1] -- vbuaa=vbuc1
|
|
lda #3
|
|
// main::@4
|
|
__b4:
|
|
// while( j-- )
|
|
// [10] (byte) main::j#1 ← -- (byte) main::j#2 -- vbuaa=_dec_vbuaa
|
|
sec
|
|
sbc #1
|
|
// [11] if((byte) 0!=(byte) main::j#1) goto main::@5 -- vbuc1_neq_vbuaa_then_la1
|
|
cmp #0
|
|
bne __b5
|
|
// main::@6
|
|
// SCREEN[idx++] = ' '
|
|
// [12] *((const nomodify byte*) SCREEN + (byte) idx#10) ← (byte) ' ' -- pbuc1_derefidx_vbuyy=vbuc2
|
|
lda #' '
|
|
sta SCREEN,y
|
|
// SCREEN[idx++] = ' ';
|
|
// [13] (byte) idx#4 ← ++ (byte) idx#10 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [14] phi from main::@6 to main::@7 [phi:main::@6->main::@7]
|
|
// [14] phi (byte) idx#12 = (byte) idx#4 [phi:main::@6->main::@7#0] -- register_copy
|
|
// [14] phi (byte) main::k#2 = (byte) 2 [phi:main::@6->main::@7#1] -- vbuaa=vbuc1
|
|
lda #2
|
|
// [14] phi from main::@7 to main::@7 [phi:main::@7->main::@7]
|
|
// [14] phi (byte) idx#12 = (byte) idx#13 [phi:main::@7->main::@7#0] -- register_copy
|
|
// [14] phi (byte) main::k#2 = (byte) main::k#1 [phi:main::@7->main::@7#1] -- register_copy
|
|
// main::@7
|
|
__b7:
|
|
// SCREEN[idx++] = k
|
|
// [15] *((const nomodify byte*) SCREEN + (byte) idx#12) ← (byte) main::k#2 -- pbuc1_derefidx_vbuyy=vbuaa
|
|
sta SCREEN,y
|
|
// SCREEN[idx++] = k;
|
|
// [16] (byte) idx#13 ← ++ (byte) idx#12 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// while(k--)
|
|
// [17] (byte) main::k#1 ← -- (byte) main::k#2 -- vbuaa=_dec_vbuaa
|
|
sec
|
|
sbc #1
|
|
// [18] if((byte) 0!=(byte) main::k#1) goto main::@7 -- vbuc1_neq_vbuaa_then_la1
|
|
cmp #0
|
|
bne __b7
|
|
// main::@return
|
|
// }
|
|
// [19] return
|
|
rts
|
|
// main::@5
|
|
__b5:
|
|
// SCREEN[idx++] = j
|
|
// [20] *((const nomodify byte*) SCREEN + (byte) idx#10) ← (byte) main::j#1 -- pbuc1_derefidx_vbuyy=vbuaa
|
|
sta SCREEN,y
|
|
// SCREEN[idx++] = j;
|
|
// [21] (byte) idx#3 ← ++ (byte) idx#10 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [9] phi from main::@5 to main::@4 [phi:main::@5->main::@4]
|
|
// [9] phi (byte) idx#10 = (byte) idx#3 [phi:main::@5->main::@4#0] -- register_copy
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// [9] phi (byte) main::j#2 = (byte) main::j#1 [phi:main::@5->main::@4#1] -- register_copy
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jmp __b4
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// main::@2
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__b2:
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// SCREEN[idx++] = i
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// [22] *((const nomodify byte*) SCREEN + (byte) idx#15) ← (byte) main::i#2 -- pbuc1_derefidx_vbuyy=vbuxx
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txa
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sta SCREEN,y
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// SCREEN[idx++] = i;
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// [23] (byte) idx#1 ← ++ (byte) idx#15 -- vbuyy=_inc_vbuyy
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|
iny
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// for( byte i=2;i;i--)
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// [24] (byte) main::i#1 ← -- (byte) main::i#2 -- vbuxx=_dec_vbuxx
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dex
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// [5] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
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// [5] phi (byte) idx#15 = (byte) idx#1 [phi:main::@2->main::@1#0] -- register_copy
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// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy
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jmp __b1
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}
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// File Data
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