mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-29 03:56:15 +00:00
673 lines
22 KiB
Plaintext
673 lines
22 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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(volatile byte) main::i ← (byte) 0
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to:main::@1
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main::@1: scope:[main] from main main::@3
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(byte) sub1::i#0 ← (volatile byte) main::i
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call sub1
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(byte) sub1::return#0 ← (byte) sub1::return#2
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to:main::@2
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main::@2: scope:[main] from main::@1
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(byte) sub1::return#3 ← phi( main::@1/(byte) sub1::return#0 )
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(byte~) main::$0 ← (byte) sub1::return#3
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*((const nomodify byte*) main::SCREEN + (volatile byte) main::i) ← (byte~) main::$0
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(byte) sub2::i#0 ← (volatile byte) main::i
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call sub2
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(byte) sub2::return#0 ← (byte) sub2::return#2
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to:main::@3
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main::@3: scope:[main] from main::@2
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(byte) sub2::return#3 ← phi( main::@2/(byte) sub2::return#0 )
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(byte~) main::$1 ← (byte) sub2::return#3
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*((const nomodify byte*) main::SCREEN+(number) $28 + (volatile byte) main::i) ← (byte~) main::$1
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(volatile byte) main::i ← (volatile byte) main::i + rangenext(0,2)
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(bool~) main::$2 ← (volatile byte) main::i != rangelast(0,2)
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if((bool~) main::$2) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@3
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return
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to:@return
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(byte()) sub1((byte) sub1::i)
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sub1: scope:[sub1] from main::@1
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(byte) sub1::i#1 ← phi( main::@1/(byte) sub1::i#0 )
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(byte~) sub1::$0 ← (byte) sub1::i#1 + (byte) sub1::i#1
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(byte) sub1::return#1 ← (byte~) sub1::$0
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to:sub1::@return
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sub1::@return: scope:[sub1] from sub1
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(byte) sub1::return#4 ← phi( sub1/(byte) sub1::return#1 )
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(byte) sub1::return#2 ← (byte) sub1::return#4
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return
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to:@return
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(byte()) sub2((byte) sub2::i)
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sub2: scope:[sub2] from main::@2
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(byte) sub2::i#1 ← phi( main::@2/(byte) sub2::i#0 )
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(byte~) sub2::$0 ← (byte) sub2::i#1 + (byte) sub2::i#1
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(byte~) sub2::$1 ← (byte~) sub2::$0 + (byte) sub2::i#1
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(byte) sub2::return#1 ← (byte~) sub2::$1
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to:sub2::@return
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sub2::@return: scope:[sub2] from sub2
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(byte) sub2::return#4 ← phi( sub2/(byte) sub2::return#1 )
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(byte) sub2::return#2 ← (byte) sub2::return#4
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return
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to:@return
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@1: scope:[] from @begin
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call main
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to:@2
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@2: scope:[] from @1
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to:@end
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@end: scope:[] from @2
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SYMBOL TABLE SSA
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(label) @1
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(label) @2
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(label) @begin
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(label) @end
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(void()) main()
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(byte~) main::$0
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(byte~) 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::@return
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(const nomodify byte*) main::SCREEN = (byte*)(number) $400
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(volatile byte) main::i loadstore
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(byte()) sub1((byte) sub1::i)
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(byte~) sub1::$0
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(label) sub1::@return
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(byte) sub1::i
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(byte) sub1::i#0
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(byte) sub1::i#1
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(byte) sub1::return
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(byte) sub1::return#0
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(byte) sub1::return#1
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(byte) sub1::return#2
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(byte) sub1::return#3
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(byte) sub1::return#4
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(byte()) sub2((byte) sub2::i)
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(byte~) sub2::$0
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(byte~) sub2::$1
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(label) sub2::@return
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(byte) sub2::i
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(byte) sub2::i#0
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(byte) sub2::i#1
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(byte) sub2::return
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(byte) sub2::return#0
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(byte) sub2::return#1
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(byte) sub2::return#2
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(byte) sub2::return#3
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(byte) sub2::return#4
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Adding number conversion cast (unumber) $28 in *((const nomodify byte*) main::SCREEN+(number) $28 + (volatile byte) main::i) ← (byte~) main::$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 $28
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) $28
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Alias sub1::return#0 = sub1::return#3
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Alias sub2::return#0 = sub2::return#3
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Alias sub1::return#1 = sub1::$0 sub1::return#4 sub1::return#2
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Alias sub2::return#1 = sub2::$1 sub2::return#4 sub2::return#2
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Successful SSA optimization Pass2AliasElimination
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Identical Phi Values (byte) sub1::i#1 (byte) sub1::i#0
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Identical Phi Values (byte) sub2::i#1 (byte) sub2::i#0
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Successful SSA optimization Pass2IdenticalPhiElimination
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Simple Condition (bool~) main::$2 [13] if((volatile byte) main::i!=rangelast(0,2)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Resolved ranged next value [11] main::i ← ++ main::i to ++
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Resolved ranged comparison value [13] if(main::i!=rangelast(0,2)) goto main::@1 to (number) 3
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Adding number conversion cast (unumber) 3 in if((volatile byte) main::i!=(number) 3) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast 3
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 3
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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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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CALL GRAPH
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Calls in [] to main:2
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Calls in [main] to sub1:7 sub2:12
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Created 0 initial phi equivalence classes
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Coalesced down to 0 phi equivalence classes
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Culled Empty Block (label) @2
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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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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] (volatile byte) main::i ← (byte) 0
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to:main::@1
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main::@1: scope:[main] from main main::@3
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[5] (byte) sub1::i#0 ← (volatile byte) main::i
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[6] call sub1
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[7] (byte) sub1::return#0 ← (byte) sub1::return#1
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to:main::@2
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main::@2: scope:[main] from main::@1
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[8] (byte~) main::$0 ← (byte) sub1::return#0
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[9] *((const nomodify byte*) main::SCREEN + (volatile byte) main::i) ← (byte~) main::$0
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[10] (byte) sub2::i#0 ← (volatile byte) main::i
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[11] call sub2
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[12] (byte) sub2::return#0 ← (byte) sub2::return#1
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to:main::@3
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main::@3: scope:[main] from main::@2
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[13] (byte~) main::$1 ← (byte) sub2::return#0
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[14] *((const nomodify byte*) main::SCREEN+(byte) $28 + (volatile byte) main::i) ← (byte~) main::$1
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[15] (volatile byte) main::i ← ++ (volatile byte) main::i
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[16] if((volatile byte) main::i!=(byte) 3) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@3
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[17] return
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to:@return
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(byte()) sub2((byte) sub2::i)
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sub2: scope:[sub2] from main::@2
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[18] (byte~) sub2::$0 ← (byte) sub2::i#0 + (byte) sub2::i#0
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[19] (byte) sub2::return#1 ← (byte~) sub2::$0 + (byte) sub2::i#0
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to:sub2::@return
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sub2::@return: scope:[sub2] from sub2
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[20] return
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to:@return
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(byte()) sub1((byte) sub1::i)
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sub1: scope:[sub1] from main::@1
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[21] (byte) sub1::return#1 ← (byte) sub1::i#0 + (byte) sub1::i#0
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to:sub1::@return
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sub1::@return: scope:[sub1] from sub1
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[22] 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::$0 202.0
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(byte~) main::$1 202.0
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(volatile byte) main::i loadstore 55.230769230769226
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(byte()) sub1((byte) sub1::i)
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(byte) sub1::i
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(byte) sub1::i#0 2103.0
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(byte) sub1::return
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(byte) sub1::return#0 202.0
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(byte) sub1::return#1 367.33333333333337
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(byte()) sub2((byte) sub2::i)
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(byte~) sub2::$0 2002.0
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(byte) sub2::i
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(byte) sub2::i#0 1552.0
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(byte) sub2::return
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(byte) sub2::return#0 202.0
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(byte) sub2::return#1 367.33333333333337
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Initial phi equivalence classes
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Added variable main::i to live range equivalence class [ main::i ]
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Added variable sub1::i#0 to live range equivalence class [ sub1::i#0 ]
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Added variable sub1::return#0 to live range equivalence class [ sub1::return#0 ]
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Added variable main::$0 to live range equivalence class [ main::$0 ]
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Added variable sub2::i#0 to live range equivalence class [ sub2::i#0 ]
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Added variable sub2::return#0 to live range equivalence class [ sub2::return#0 ]
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Added variable main::$1 to live range equivalence class [ main::$1 ]
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Added variable sub2::$0 to live range equivalence class [ sub2::$0 ]
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Added variable sub2::return#1 to live range equivalence class [ sub2::return#1 ]
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Added variable sub1::return#1 to live range equivalence class [ sub1::return#1 ]
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Complete equivalence classes
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[ main::i ]
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[ sub1::i#0 ]
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[ sub1::return#0 ]
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[ main::$0 ]
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[ sub2::i#0 ]
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[ sub2::return#0 ]
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[ main::$1 ]
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[ sub2::$0 ]
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[ sub2::return#1 ]
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[ sub1::return#1 ]
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Allocated zp[1]:8 [ main::i ]
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Allocated zp[1]:9 [ sub1::i#0 ]
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Allocated zp[1]:10 [ sub1::return#0 ]
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Allocated zp[1]:11 [ main::$0 ]
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Allocated zp[1]:12 [ sub2::i#0 ]
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Allocated zp[1]:13 [ sub2::return#0 ]
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Allocated zp[1]:14 [ main::$1 ]
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Allocated zp[1]:15 [ sub2::$0 ]
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Allocated zp[1]:16 [ sub2::return#1 ]
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Allocated zp[1]:17 [ sub1::return#1 ]
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INITIAL ASM
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Target platform is c64basic / MOS6502X
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// File Comments
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// Demonstrates a procedure reserving addresses on zeropage
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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// Global Constants & labels
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// @begin
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__bbegin:
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// [1] phi from @begin to @1 [phi:@begin->@1]
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__b1_from___bbegin:
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jmp __b1
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// @1
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__b1:
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// [2] call main
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jsr main
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// [3] phi from @1 to @end [phi:@1->@end]
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__bend_from___b1:
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jmp __bend
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// @end
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__bend:
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// main
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main: {
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.label SCREEN = $400
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.label i = 8
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.label __0 = $b
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.label __1 = $e
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// [4] (volatile byte) main::i ← (byte) 0 -- vbuz1=vbuc1
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lda #0
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sta.z i
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jmp __b1
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// main::@1
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__b1:
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// [5] (byte) sub1::i#0 ← (volatile byte) main::i -- vbuz1=vbuz2
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lda.z i
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sta.z sub1.i
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// [6] call sub1
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jsr sub1
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// [7] (byte) sub1::return#0 ← (byte) sub1::return#1 -- vbuz1=vbuz2
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lda.z sub1.return_1
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sta.z sub1.return
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jmp __b2
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// main::@2
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__b2:
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// [8] (byte~) main::$0 ← (byte) sub1::return#0 -- vbuz1=vbuz2
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lda.z sub1.return
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sta.z __0
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// [9] *((const nomodify byte*) main::SCREEN + (volatile byte) main::i) ← (byte~) main::$0 -- pbuc1_derefidx_vbuz1=vbuz2
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lda.z __0
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ldy.z i
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sta SCREEN,y
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// [10] (byte) sub2::i#0 ← (volatile byte) main::i -- vbuz1=vbuz2
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lda.z i
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sta.z sub2.i
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// [11] call sub2
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jsr sub2
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// [12] (byte) sub2::return#0 ← (byte) sub2::return#1 -- vbuz1=vbuz2
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lda.z sub2.return_1
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sta.z sub2.return
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jmp __b3
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// main::@3
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__b3:
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// [13] (byte~) main::$1 ← (byte) sub2::return#0 -- vbuz1=vbuz2
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lda.z sub2.return
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sta.z __1
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// [14] *((const nomodify byte*) main::SCREEN+(byte) $28 + (volatile byte) main::i) ← (byte~) main::$1 -- pbuc1_derefidx_vbuz1=vbuz2
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lda.z __1
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ldy.z i
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sta SCREEN+$28,y
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// [15] (volatile byte) main::i ← ++ (volatile byte) main::i -- vbuz1=_inc_vbuz1
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inc.z i
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// [16] if((volatile byte) main::i!=(byte) 3) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #3
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cmp.z i
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bne __b1
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jmp __breturn
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// main::@return
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__breturn:
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// [17] return
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rts
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}
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// sub2
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// sub2(byte zp($c) i)
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sub2: {
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.label __0 = $f
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.label i = $c
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.label return = $d
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.label return_1 = $10
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// [18] (byte~) sub2::$0 ← (byte) sub2::i#0 + (byte) sub2::i#0 -- vbuz1=vbuz2_plus_vbuz2
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lda.z i
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asl
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sta.z __0
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// [19] (byte) sub2::return#1 ← (byte~) sub2::$0 + (byte) sub2::i#0 -- vbuz1=vbuz2_plus_vbuz3
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lda.z __0
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clc
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adc.z i
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sta.z return_1
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jmp __breturn
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// sub2::@return
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__breturn:
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// [20] return
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rts
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}
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// sub1
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// sub1(byte zp(9) i)
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sub1: {
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.label i = 9
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.label return = $a
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.label return_1 = $11
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// [21] (byte) sub1::return#1 ← (byte) sub1::i#0 + (byte) sub1::i#0 -- vbuz1=vbuz2_plus_vbuz2
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lda.z i
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asl
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sta.z return_1
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jmp __breturn
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// sub1::@return
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__breturn:
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// [22] return
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rts
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}
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// File Data
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [4] (volatile byte) main::i ← (byte) 0 [ main::i ] ( main:2 [ main::i ] { } ) always clobbers reg byte a
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Statement [9] *((const nomodify byte*) main::SCREEN + (volatile byte) main::i) ← (byte~) main::$0 [ main::i ] ( main:2 [ main::i ] { { sub2::i#0 = main::i } { sub2::return#0 = sub2::return#1 } } ) always clobbers reg byte y
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Statement [14] *((const nomodify byte*) main::SCREEN+(byte) $28 + (volatile byte) main::i) ← (byte~) main::$1 [ main::i ] ( main:2 [ main::i ] { } ) always clobbers reg byte y
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Statement [16] if((volatile byte) main::i!=(byte) 3) goto main::@1 [ main::i ] ( main:2 [ main::i ] { } ) always clobbers reg byte a
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Statement [18] (byte~) sub2::$0 ← (byte) sub2::i#0 + (byte) sub2::i#0 [ sub2::i#0 sub2::$0 ] ( main:2::sub2:11 [ main::i sub2::i#0 sub2::$0 ] { { sub2::i#0 = main::i } { sub2::return#0 = sub2::return#1 } } ) always clobbers reg byte a
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Removing always clobbered register reg byte a as potential for zp[1]:12 [ sub2::i#0 ]
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Statement [19] (byte) sub2::return#1 ← (byte~) sub2::$0 + (byte) sub2::i#0 [ sub2::return#1 ] ( main:2::sub2:11 [ main::i sub2::return#1 ] { { sub2::i#0 = main::i } { sub2::return#0 = sub2::return#1 } } ) always clobbers reg byte a
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Statement [21] (byte) sub1::return#1 ← (byte) sub1::i#0 + (byte) sub1::i#0 [ sub1::return#1 ] ( main:2::sub1:6 [ main::i sub1::return#1 ] { { sub1::i#0 = main::i } { sub1::return#0 = sub1::return#1 } } ) always clobbers reg byte a
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Statement [4] (volatile byte) main::i ← (byte) 0 [ main::i ] ( main:2 [ main::i ] { } ) always clobbers reg byte a
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Statement [9] *((const nomodify byte*) main::SCREEN + (volatile byte) main::i) ← (byte~) main::$0 [ main::i ] ( main:2 [ main::i ] { { sub2::i#0 = main::i } { sub2::return#0 = sub2::return#1 } } ) always clobbers reg byte y
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Statement [14] *((const nomodify byte*) main::SCREEN+(byte) $28 + (volatile byte) main::i) ← (byte~) main::$1 [ main::i ] ( main:2 [ main::i ] { } ) always clobbers reg byte y
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Statement [16] if((volatile byte) main::i!=(byte) 3) goto main::@1 [ main::i ] ( main:2 [ main::i ] { } ) always clobbers reg byte a
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Statement [18] (byte~) sub2::$0 ← (byte) sub2::i#0 + (byte) sub2::i#0 [ sub2::i#0 sub2::$0 ] ( main:2::sub2:11 [ main::i sub2::i#0 sub2::$0 ] { { sub2::i#0 = main::i } { sub2::return#0 = sub2::return#1 } } ) always clobbers reg byte a
|
|
Statement [19] (byte) sub2::return#1 ← (byte~) sub2::$0 + (byte) sub2::i#0 [ sub2::return#1 ] ( main:2::sub2:11 [ main::i sub2::return#1 ] { { sub2::i#0 = main::i } { sub2::return#0 = sub2::return#1 } } ) always clobbers reg byte a
|
|
Statement [21] (byte) sub1::return#1 ← (byte) sub1::i#0 + (byte) sub1::i#0 [ sub1::return#1 ] ( main:2::sub1:6 [ main::i sub1::return#1 ] { { sub1::i#0 = main::i } { sub1::return#0 = sub1::return#1 } } ) always clobbers reg byte a
|
|
Potential registers zp[1]:8 [ main::i ] : zp[1]:8 ,
|
|
Potential registers zp[1]:9 [ sub1::i#0 ] : zp[1]:9 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:10 [ sub1::return#0 ] : zp[1]:10 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:11 [ main::$0 ] : zp[1]:11 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:12 [ sub2::i#0 ] : zp[1]:12 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:13 [ sub2::return#0 ] : zp[1]:13 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:14 [ main::$1 ] : zp[1]:14 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:15 [ sub2::$0 ] : zp[1]:15 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:16 [ sub2::return#1 ] : zp[1]:16 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:17 [ sub1::return#1 ] : zp[1]:17 , reg byte a , reg byte x , reg byte y ,
|
|
|
|
REGISTER UPLIFT SCOPES
|
|
Uplift Scope [sub2] 2,002: zp[1]:15 [ sub2::$0 ] 1,552: zp[1]:12 [ sub2::i#0 ] 367.33: zp[1]:16 [ sub2::return#1 ] 202: zp[1]:13 [ sub2::return#0 ]
|
|
Uplift Scope [sub1] 2,103: zp[1]:9 [ sub1::i#0 ] 367.33: zp[1]:17 [ sub1::return#1 ] 202: zp[1]:10 [ sub1::return#0 ]
|
|
Uplift Scope [main] 202: zp[1]:11 [ main::$0 ] 202: zp[1]:14 [ main::$1 ] 55.23: zp[1]:8 [ main::i ]
|
|
Uplift Scope []
|
|
|
|
Uplifting [sub2] best 859 combination reg byte a [ sub2::$0 ] reg byte x [ sub2::i#0 ] reg byte a [ sub2::return#1 ] reg byte a [ sub2::return#0 ]
|
|
Limited combination testing to 100 combinations of 192 possible.
|
|
Uplifting [sub1] best 733 combination reg byte a [ sub1::i#0 ] reg byte a [ sub1::return#1 ] reg byte a [ sub1::return#0 ]
|
|
Uplifting [main] best 613 combination reg byte a [ main::$0 ] reg byte a [ main::$1 ] zp[1]:8 [ main::i ]
|
|
Uplifting [] best 613 combination
|
|
Attempting to uplift remaining variables inzp[1]:8 [ main::i ]
|
|
Uplifting [main] best 613 combination zp[1]:8 [ main::i ]
|
|
|
|
ASSEMBLER BEFORE OPTIMIZATION
|
|
// File Comments
|
|
// Demonstrates a procedure reserving addresses on zeropage
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
// @begin
|
|
__bbegin:
|
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
|
__b1_from___bbegin:
|
|
jmp __b1
|
|
// @1
|
|
__b1:
|
|
// [2] call main
|
|
jsr main
|
|
// [3] phi from @1 to @end [phi:@1->@end]
|
|
__bend_from___b1:
|
|
jmp __bend
|
|
// @end
|
|
__bend:
|
|
// main
|
|
main: {
|
|
.label SCREEN = $400
|
|
.label i = 8
|
|
// [4] (volatile byte) main::i ← (byte) 0 -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z i
|
|
jmp __b1
|
|
// main::@1
|
|
__b1:
|
|
// [5] (byte) sub1::i#0 ← (volatile byte) main::i -- vbuaa=vbuz1
|
|
lda.z i
|
|
// [6] call sub1
|
|
jsr sub1
|
|
// [7] (byte) sub1::return#0 ← (byte) sub1::return#1
|
|
jmp __b2
|
|
// main::@2
|
|
__b2:
|
|
// [8] (byte~) main::$0 ← (byte) sub1::return#0
|
|
// [9] *((const nomodify byte*) main::SCREEN + (volatile byte) main::i) ← (byte~) main::$0 -- pbuc1_derefidx_vbuz1=vbuaa
|
|
ldy.z i
|
|
sta SCREEN,y
|
|
// [10] (byte) sub2::i#0 ← (volatile byte) main::i -- vbuxx=vbuz1
|
|
ldx.z i
|
|
// [11] call sub2
|
|
jsr sub2
|
|
// [12] (byte) sub2::return#0 ← (byte) sub2::return#1
|
|
jmp __b3
|
|
// main::@3
|
|
__b3:
|
|
// [13] (byte~) main::$1 ← (byte) sub2::return#0
|
|
// [14] *((const nomodify byte*) main::SCREEN+(byte) $28 + (volatile byte) main::i) ← (byte~) main::$1 -- pbuc1_derefidx_vbuz1=vbuaa
|
|
ldy.z i
|
|
sta SCREEN+$28,y
|
|
// [15] (volatile byte) main::i ← ++ (volatile byte) main::i -- vbuz1=_inc_vbuz1
|
|
inc.z i
|
|
// [16] if((volatile byte) main::i!=(byte) 3) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #3
|
|
cmp.z i
|
|
bne __b1
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [17] return
|
|
rts
|
|
}
|
|
// sub2
|
|
// sub2(byte register(X) i)
|
|
sub2: {
|
|
// [18] (byte~) sub2::$0 ← (byte) sub2::i#0 + (byte) sub2::i#0 -- vbuaa=vbuxx_plus_vbuxx
|
|
txa
|
|
asl
|
|
// [19] (byte) sub2::return#1 ← (byte~) sub2::$0 + (byte) sub2::i#0 -- vbuaa=vbuaa_plus_vbuxx
|
|
stx.z $ff
|
|
clc
|
|
adc.z $ff
|
|
jmp __breturn
|
|
// sub2::@return
|
|
__breturn:
|
|
// [20] return
|
|
rts
|
|
}
|
|
// sub1
|
|
// sub1(byte register(A) i)
|
|
sub1: {
|
|
// [21] (byte) sub1::return#1 ← (byte) sub1::i#0 + (byte) sub1::i#0 -- vbuaa=vbuaa_plus_vbuaa
|
|
asl
|
|
jmp __breturn
|
|
// sub1::@return
|
|
__breturn:
|
|
// [22] 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 __breturn
|
|
Removing instruction jmp __breturn
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Removing instruction __b1_from___bbegin:
|
|
Removing instruction __b1:
|
|
Removing instruction __bend_from___b1:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __bbegin:
|
|
Removing instruction __bend:
|
|
Removing instruction __b2:
|
|
Removing instruction __b3:
|
|
Removing instruction __breturn:
|
|
Removing instruction __breturn:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Removing instruction jsr main
|
|
Succesful ASM optimization Pass5SkipBegin
|
|
|
|
FINAL SYMBOL TABLE
|
|
(label) @1
|
|
(label) @begin
|
|
(label) @end
|
|
(void()) main()
|
|
(byte~) main::$0 reg byte a 202.0
|
|
(byte~) main::$1 reg byte a 202.0
|
|
(label) main::@1
|
|
(label) main::@2
|
|
(label) main::@3
|
|
(label) main::@return
|
|
(const nomodify byte*) main::SCREEN = (byte*) 1024
|
|
(volatile byte) main::i loadstore zp[1]:8 55.230769230769226
|
|
(byte()) sub1((byte) sub1::i)
|
|
(label) sub1::@return
|
|
(byte) sub1::i
|
|
(byte) sub1::i#0 reg byte a 2103.0
|
|
(byte) sub1::return
|
|
(byte) sub1::return#0 reg byte a 202.0
|
|
(byte) sub1::return#1 reg byte a 367.33333333333337
|
|
(byte()) sub2((byte) sub2::i)
|
|
(byte~) sub2::$0 reg byte a 2002.0
|
|
(label) sub2::@return
|
|
(byte) sub2::i
|
|
(byte) sub2::i#0 reg byte x 1552.0
|
|
(byte) sub2::return
|
|
(byte) sub2::return#0 reg byte a 202.0
|
|
(byte) sub2::return#1 reg byte a 367.33333333333337
|
|
|
|
zp[1]:8 [ main::i ]
|
|
reg byte a [ sub1::i#0 ]
|
|
reg byte a [ sub1::return#0 ]
|
|
reg byte a [ main::$0 ]
|
|
reg byte x [ sub2::i#0 ]
|
|
reg byte a [ sub2::return#0 ]
|
|
reg byte a [ main::$1 ]
|
|
reg byte a [ sub2::$0 ]
|
|
reg byte a [ sub2::return#1 ]
|
|
reg byte a [ sub1::return#1 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 502
|
|
|
|
// File Comments
|
|
// Demonstrates a procedure reserving addresses on zeropage
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
// @begin
|
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
|
// @1
|
|
// [2] call main
|
|
// [3] phi from @1 to @end [phi:@1->@end]
|
|
// @end
|
|
// main
|
|
main: {
|
|
.label SCREEN = $400
|
|
.label i = 8
|
|
// for( volatile byte i : 0..2)
|
|
// [4] (volatile byte) main::i ← (byte) 0 -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z i
|
|
// main::@1
|
|
__b1:
|
|
// sub1(i)
|
|
// [5] (byte) sub1::i#0 ← (volatile byte) main::i -- vbuaa=vbuz1
|
|
lda.z i
|
|
// [6] call sub1
|
|
jsr sub1
|
|
// [7] (byte) sub1::return#0 ← (byte) sub1::return#1
|
|
// main::@2
|
|
// [8] (byte~) main::$0 ← (byte) sub1::return#0
|
|
// SCREEN[i] = sub1(i)
|
|
// [9] *((const nomodify byte*) main::SCREEN + (volatile byte) main::i) ← (byte~) main::$0 -- pbuc1_derefidx_vbuz1=vbuaa
|
|
ldy.z i
|
|
sta SCREEN,y
|
|
// sub2(i)
|
|
// [10] (byte) sub2::i#0 ← (volatile byte) main::i -- vbuxx=vbuz1
|
|
ldx.z i
|
|
// [11] call sub2
|
|
jsr sub2
|
|
// [12] (byte) sub2::return#0 ← (byte) sub2::return#1
|
|
// main::@3
|
|
// [13] (byte~) main::$1 ← (byte) sub2::return#0
|
|
// (SCREEN+40)[i] = sub2(i)
|
|
// [14] *((const nomodify byte*) main::SCREEN+(byte) $28 + (volatile byte) main::i) ← (byte~) main::$1 -- pbuc1_derefidx_vbuz1=vbuaa
|
|
ldy.z i
|
|
sta SCREEN+$28,y
|
|
// for( volatile byte i : 0..2)
|
|
// [15] (volatile byte) main::i ← ++ (volatile byte) main::i -- vbuz1=_inc_vbuz1
|
|
inc.z i
|
|
// [16] if((volatile byte) main::i!=(byte) 3) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #3
|
|
cmp.z i
|
|
bne __b1
|
|
// main::@return
|
|
// }
|
|
// [17] return
|
|
rts
|
|
}
|
|
// sub2
|
|
// sub2(byte register(X) i)
|
|
sub2: {
|
|
// i+i
|
|
// [18] (byte~) sub2::$0 ← (byte) sub2::i#0 + (byte) sub2::i#0 -- vbuaa=vbuxx_plus_vbuxx
|
|
txa
|
|
asl
|
|
// i+i+i
|
|
// [19] (byte) sub2::return#1 ← (byte~) sub2::$0 + (byte) sub2::i#0 -- vbuaa=vbuaa_plus_vbuxx
|
|
stx.z $ff
|
|
clc
|
|
adc.z $ff
|
|
// sub2::@return
|
|
// }
|
|
// [20] return
|
|
rts
|
|
}
|
|
// sub1
|
|
// sub1(byte register(A) i)
|
|
sub1: {
|
|
// i+i
|
|
// [21] (byte) sub1::return#1 ← (byte) sub1::i#0 + (byte) sub1::i#0 -- vbuaa=vbuaa_plus_vbuaa
|
|
asl
|
|
// sub1::@return
|
|
// }
|
|
// [22] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|