mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-10-21 17:24:39 +00:00
747 lines
24 KiB
Plaintext
747 lines
24 KiB
Plaintext
Identified constant variable (byte*) SCREEN
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Culled Empty Block (label) main::@6
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Culled Empty Block (label) @1
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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to:@2
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(void()) main()
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main: scope:[main] from @2
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(byte) main::i#0 ← (byte) 0
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to:main::@1
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main::@1: scope:[main] from main main::@7
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(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@7/(byte) main::i#1 )
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(byte) plot::x#0 ← (byte) main::i#2
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call plot
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to:main::@7
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main::@7: scope:[main] from main::@1
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(byte) main::i#3 ← phi( main::@1/(byte) main::i#2 )
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(byte) main::i#1 ← (byte) main::i#3 + rangenext(0,$a)
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(bool~) main::$1 ← (byte) main::i#1 != rangelast(0,$a)
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if((bool~) main::$1) goto main::@1
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to:main::@2
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main::@2: scope:[main] from main::@7
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(byte) main::j#0 ← (byte) 0
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to:main::@3
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main::@3: scope:[main] from main::@2 main::@8
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(byte) main::j#2 ← phi( main::@2/(byte) main::j#0 main::@8/(byte) main::j#1 )
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(byte) plot::x#1 ← (byte) main::j#2
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call plot
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to:main::@8
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main::@8: scope:[main] from main::@3
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(byte) main::j#3 ← phi( main::@3/(byte) main::j#2 )
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(byte) main::j#1 ← (byte) main::j#3 + rangenext(0,$a)
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(bool~) main::$3 ← (byte) main::j#1 != rangelast(0,$a)
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if((bool~) main::$3) goto main::@3
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to:main::@4
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main::@4: scope:[main] from main::@8
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(byte) main::k#0 ← (byte) 0
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to:main::@5
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main::@5: scope:[main] from main::@4 main::@9
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(byte) main::k#2 ← phi( main::@4/(byte) main::k#0 main::@9/(byte) main::k#1 )
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(byte) plot::x#2 ← (byte) main::k#2
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call plot
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to:main::@9
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main::@9: scope:[main] from main::@5
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(byte) main::k#3 ← phi( main::@5/(byte) main::k#2 )
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(byte) main::k#1 ← (byte) main::k#3 + rangenext(0,$a)
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(bool~) main::$5 ← (byte) main::k#1 != rangelast(0,$a)
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if((bool~) main::$5) goto main::@5
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to:main::@return
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main::@return: scope:[main] from main::@9
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return
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to:@return
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(void()) plot((byte) plot::x)
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plot: scope:[plot] from main::@1 main::@3 main::@5
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(byte) plot::x#3 ← phi( main::@1/(byte) plot::x#0 main::@3/(byte) plot::x#1 main::@5/(byte) plot::x#2 )
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*((const byte*) SCREEN + (byte) plot::x#3) ← (byte) '*'
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to:plot::@return
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plot::@return: scope:[plot] from plot
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return
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to:@return
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@2: scope:[] from @begin
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call main
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to:@3
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@3: scope:[] from @2
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to:@end
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@end: scope:[] from @3
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SYMBOL TABLE SSA
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(label) @2
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(label) @3
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(label) @begin
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(label) @end
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(const byte*) SCREEN = (byte*)(number) $400
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(void()) main()
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(bool~) main::$1
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(bool~) main::$3
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(bool~) main::$5
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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::@7
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(label) main::@8
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(label) main::@9
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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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(byte) main::k#3
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(void()) plot((byte) plot::x)
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(label) plot::@return
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(byte) plot::x
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(byte) plot::x#0
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(byte) plot::x#1
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(byte) plot::x#2
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(byte) plot::x#3
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Simplifying constant pointer cast (byte*) 1024
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Successful SSA optimization PassNCastSimplification
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Alias (byte) main::i#2 = (byte) main::i#3
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Alias (byte) main::j#2 = (byte) main::j#3
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Alias (byte) main::k#2 = (byte) main::k#3
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Successful SSA optimization Pass2AliasElimination
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Simple Condition (bool~) main::$1 [7] if((byte) main::i#1!=rangelast(0,$a)) goto main::@1
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Simple Condition (bool~) main::$3 [15] if((byte) main::j#1!=rangelast(0,$a)) goto main::@3
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Simple Condition (bool~) main::$5 [23] if((byte) main::k#1!=rangelast(0,$a)) goto main::@5
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant (const byte) main::i#0 = 0
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Constant (const byte) main::j#0 = 0
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Constant (const byte) main::k#0 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [5] main::i#1 ← ++ main::i#2 to ++
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Resolved ranged comparison value [7] if(main::i#1!=rangelast(0,$a)) goto main::@1 to (number) $b
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Resolved ranged next value [13] main::j#1 ← ++ main::j#2 to ++
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Resolved ranged comparison value [15] if(main::j#1!=rangelast(0,$a)) goto main::@3 to (number) $b
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Resolved ranged next value [21] main::k#1 ← ++ main::k#2 to ++
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Resolved ranged comparison value [23] if(main::k#1!=rangelast(0,$a)) goto main::@5 to (number) $b
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Adding number conversion cast (unumber) $b in if((byte) main::i#1!=(number) $b) goto main::@1
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Adding number conversion cast (unumber) $b in if((byte) main::j#1!=(number) $b) goto main::@3
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Adding number conversion cast (unumber) $b in if((byte) main::k#1!=(number) $b) goto main::@5
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast $b
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Simplifying constant integer cast $b
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Simplifying constant integer cast $b
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) $b
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Finalized unsigned number type (byte) $b
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Finalized unsigned number type (byte) $b
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inlining constant with var siblings (const byte) main::i#0
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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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Constant inlined main::i#0 = (byte) 0
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Constant inlined main::k#0 = (byte) 0
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Constant inlined main::j#0 = (byte) 0
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Successful SSA optimization Pass2ConstantInlining
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Added new block during phi lifting main::@10(between main::@7 and main::@1)
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Added new block during phi lifting main::@11(between main::@8 and main::@3)
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Added new block during phi lifting main::@12(between main::@9 and main::@5)
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @3
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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 main::@2
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Adding NOP phi() at start of main::@4
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CALL GRAPH
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Calls in [] to main:2
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Calls in [main] to plot:9 plot:16 plot:23
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Created 4 initial phi equivalence classes
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Coalesced [8] plot::x#4 ← plot::x#0
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Coalesced [15] plot::x#5 ← plot::x#1
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Coalesced [22] plot::x#6 ← plot::x#2
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Coalesced [27] main::k#4 ← main::k#1
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Coalesced [28] main::j#4 ← main::j#1
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Coalesced [29] main::i#4 ← main::i#1
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Coalesced down to 4 phi equivalence classes
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Culled Empty Block (label) @3
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Culled Empty Block (label) main::@2
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Culled Empty Block (label) main::@4
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Culled Empty Block (label) main::@12
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Culled Empty Block (label) main::@11
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Culled Empty Block (label) main::@10
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Renumbering block @2 to @1
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Renumbering block main::@3 to main::@2
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Renumbering block main::@5 to main::@3
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Renumbering block main::@7 to main::@4
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Renumbering block main::@8 to main::@5
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Renumbering block main::@9 to main::@6
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main
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FINAL CONTROL FLOW GRAPH
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@begin: scope:[] from
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[0] phi()
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to:@1
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@1: scope:[] from @begin
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[1] phi()
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[2] call main
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to:@end
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@end: scope:[] from @1
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[3] phi()
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(void()) main()
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main: scope:[main] from @1
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[4] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@4
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[5] (byte) main::i#2 ← phi( main/(byte) 0 main::@4/(byte) main::i#1 )
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[6] (byte) plot::x#0 ← (byte) main::i#2
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[7] call plot
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to:main::@4
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main::@4: scope:[main] from main::@1
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[8] (byte) main::i#1 ← ++ (byte) main::i#2
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[9] if((byte) main::i#1!=(byte) $b) goto main::@1
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to:main::@2
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main::@2: scope:[main] from main::@4 main::@5
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[10] (byte) main::j#2 ← phi( main::@4/(byte) 0 main::@5/(byte) main::j#1 )
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[11] (byte) plot::x#1 ← (byte) main::j#2
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[12] call plot
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to:main::@5
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main::@5: scope:[main] from main::@2
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[13] (byte) main::j#1 ← ++ (byte) main::j#2
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[14] if((byte) main::j#1!=(byte) $b) goto main::@2
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to:main::@3
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main::@3: scope:[main] from main::@5 main::@6
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[15] (byte) main::k#2 ← phi( main::@5/(byte) 0 main::@6/(byte) main::k#1 )
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[16] (byte) plot::x#2 ← (byte) main::k#2
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[17] call plot
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to:main::@6
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main::@6: scope:[main] from main::@3
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[18] (byte) main::k#1 ← ++ (byte) main::k#2
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[19] if((byte) main::k#1!=(byte) $b) goto main::@3
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to:main::@return
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main::@return: scope:[main] from main::@6
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[20] return
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to:@return
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(void()) plot((byte) plot::x)
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plot: scope:[plot] from main::@1 main::@2 main::@3
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[21] (byte) plot::x#3 ← phi( main::@1/(byte) plot::x#0 main::@2/(byte) plot::x#1 main::@3/(byte) plot::x#2 )
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[22] *((const byte*) SCREEN + (byte) plot::x#3) ← (byte) '*'
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to:plot::@return
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plot::@return: scope:[plot] from plot
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[23] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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(void()) main()
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(byte) main::i
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(byte) main::i#1 16.5
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(byte) main::i#2 11.0
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(byte) main::j
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(byte) main::j#1 16.5
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(byte) main::j#2 11.0
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(byte) main::k
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(byte) main::k#1 16.5
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(byte) main::k#2 11.0
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(void()) plot((byte) plot::x)
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(byte) plot::x
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(byte) plot::x#0 22.0
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(byte) plot::x#1 22.0
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(byte) plot::x#2 22.0
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(byte) plot::x#3 35.0
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::j#2 main::j#1 ]
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[ main::k#2 main::k#1 ]
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[ plot::x#3 plot::x#0 plot::x#1 plot::x#2 ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::j#2 main::j#1 ]
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[ main::k#2 main::k#1 ]
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[ plot::x#3 plot::x#0 plot::x#1 plot::x#2 ]
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Allocated zp[1]:2 [ main::i#2 main::i#1 ]
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Allocated zp[1]:3 [ main::j#2 main::j#1 ]
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Allocated zp[1]:4 [ main::k#2 main::k#1 ]
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Allocated zp[1]:5 [ plot::x#3 plot::x#0 plot::x#1 plot::x#2 ]
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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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// Allocates ZP to j/k-variables even though all of i, j, k could be allocates to x and be more efficient.
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// Reason: Pass4RegisterUpliftCombinations.isAllocationOverlapping() believes i/j/k variables overlaps insode plot()
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(__bbegin)
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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 i = 2
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.label j = 3
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.label k = 4
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// [5] phi from main to main::@1 [phi:main->main::@1]
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__b1_from_main:
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// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
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lda #0
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sta.z i
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jmp __b1
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// [5] phi from main::@4 to main::@1 [phi:main::@4->main::@1]
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__b1_from___b4:
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// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@4->main::@1#0] -- register_copy
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jmp __b1
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// main::@1
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__b1:
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// [6] (byte) plot::x#0 ← (byte) main::i#2 -- vbuz1=vbuz2
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lda.z i
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sta.z plot.x
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// [7] call plot
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// [21] phi from main::@1 to plot [phi:main::@1->plot]
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plot_from___b1:
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// [21] phi (byte) plot::x#3 = (byte) plot::x#0 [phi:main::@1->plot#0] -- register_copy
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jsr plot
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jmp __b4
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// main::@4
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__b4:
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// [8] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
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inc.z i
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// [9] if((byte) main::i#1!=(byte) $b) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #$b
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cmp.z i
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bne __b1_from___b4
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// [10] phi from main::@4 to main::@2 [phi:main::@4->main::@2]
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__b2_from___b4:
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// [10] phi (byte) main::j#2 = (byte) 0 [phi:main::@4->main::@2#0] -- vbuz1=vbuc1
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lda #0
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sta.z j
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jmp __b2
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// [10] phi from main::@5 to main::@2 [phi:main::@5->main::@2]
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__b2_from___b5:
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// [10] phi (byte) main::j#2 = (byte) main::j#1 [phi:main::@5->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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// [11] (byte) plot::x#1 ← (byte) main::j#2 -- vbuz1=vbuz2
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lda.z j
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sta.z plot.x
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// [12] call plot
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// [21] phi from main::@2 to plot [phi:main::@2->plot]
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plot_from___b2:
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// [21] phi (byte) plot::x#3 = (byte) plot::x#1 [phi:main::@2->plot#0] -- register_copy
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jsr plot
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jmp __b5
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// main::@5
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__b5:
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// [13] (byte) main::j#1 ← ++ (byte) main::j#2 -- vbuz1=_inc_vbuz1
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inc.z j
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// [14] if((byte) main::j#1!=(byte) $b) goto main::@2 -- vbuz1_neq_vbuc1_then_la1
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lda #$b
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cmp.z j
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bne __b2_from___b5
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// [15] phi from main::@5 to main::@3 [phi:main::@5->main::@3]
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__b3_from___b5:
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// [15] phi (byte) main::k#2 = (byte) 0 [phi:main::@5->main::@3#0] -- vbuz1=vbuc1
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lda #0
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sta.z k
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jmp __b3
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// [15] phi from main::@6 to main::@3 [phi:main::@6->main::@3]
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__b3_from___b6:
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// [15] phi (byte) main::k#2 = (byte) main::k#1 [phi:main::@6->main::@3#0] -- register_copy
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jmp __b3
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// main::@3
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__b3:
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// [16] (byte) plot::x#2 ← (byte) main::k#2 -- vbuz1=vbuz2
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lda.z k
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sta.z plot.x
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// [17] call plot
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// [21] phi from main::@3 to plot [phi:main::@3->plot]
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plot_from___b3:
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// [21] phi (byte) plot::x#3 = (byte) plot::x#2 [phi:main::@3->plot#0] -- register_copy
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jsr plot
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jmp __b6
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// main::@6
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__b6:
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// [18] (byte) main::k#1 ← ++ (byte) main::k#2 -- vbuz1=_inc_vbuz1
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inc.z k
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// [19] if((byte) main::k#1!=(byte) $b) goto main::@3 -- vbuz1_neq_vbuc1_then_la1
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lda #$b
|
|
cmp.z k
|
|
bne __b3_from___b6
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [20] return
|
|
rts
|
|
}
|
|
// plot
|
|
// plot(byte zeropage(5) x)
|
|
plot: {
|
|
.label x = 5
|
|
// [22] *((const byte*) SCREEN + (byte) plot::x#3) ← (byte) '*' -- pbuc1_derefidx_vbuz1=vbuc2
|
|
lda #'*'
|
|
ldy.z x
|
|
sta SCREEN,y
|
|
jmp __breturn
|
|
// plot::@return
|
|
__breturn:
|
|
// [23] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|
|
REGISTER UPLIFT POTENTIAL REGISTERS
|
|
Statement [22] *((const byte*) SCREEN + (byte) plot::x#3) ← (byte) '*' [ ] ( main:2::plot:7 [ main::i#2 ] main:2::plot:12 [ main::j#2 ] main:2::plot:17 [ main::k#2 ] ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:2 [ main::i#2 main::i#1 ]
|
|
Removing always clobbered register reg byte a as potential for zp[1]:3 [ main::j#2 main::j#1 ]
|
|
Removing always clobbered register reg byte a as potential for zp[1]:4 [ main::k#2 main::k#1 ]
|
|
Statement [22] *((const byte*) SCREEN + (byte) plot::x#3) ← (byte) '*' [ ] ( main:2::plot:7 [ main::i#2 ] main:2::plot:12 [ main::j#2 ] main:2::plot:17 [ main::k#2 ] ) always clobbers reg byte a
|
|
Potential registers zp[1]:2 [ main::i#2 main::i#1 ] : zp[1]:2 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:3 [ main::j#2 main::j#1 ] : zp[1]:3 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:4 [ main::k#2 main::k#1 ] : zp[1]:4 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:5 [ plot::x#3 plot::x#0 plot::x#1 plot::x#2 ] : zp[1]:5 , reg byte a , reg byte x , reg byte y ,
|
|
|
|
REGISTER UPLIFT SCOPES
|
|
Uplift Scope [plot] 101: zp[1]:5 [ plot::x#3 plot::x#0 plot::x#1 plot::x#2 ]
|
|
Uplift Scope [main] 27.5: zp[1]:2 [ main::i#2 main::i#1 ] 27.5: zp[1]:3 [ main::j#2 main::j#1 ] 27.5: zp[1]:4 [ main::k#2 main::k#1 ]
|
|
Uplift Scope []
|
|
|
|
Uplifting [plot] best 886 combination reg byte x [ plot::x#3 plot::x#0 plot::x#1 plot::x#2 ]
|
|
Uplifting [main] best 526 combination reg byte x [ main::i#2 main::i#1 ] reg byte x [ main::j#2 main::j#1 ] reg byte x [ main::k#2 main::k#1 ]
|
|
Uplifting [] best 526 combination
|
|
|
|
ASSEMBLER BEFORE OPTIMIZATION
|
|
// File Comments
|
|
// Allocates ZP to j/k-variables even though all of i, j, k could be allocates to x and be more efficient.
|
|
// Reason: Pass4RegisterUpliftCombinations.isAllocationOverlapping() believes i/j/k variables overlaps insode plot()
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(__bbegin)
|
|
.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) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
jmp __b1
|
|
// [5] phi from main::@4 to main::@1 [phi:main::@4->main::@1]
|
|
__b1_from___b4:
|
|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@4->main::@1#0] -- register_copy
|
|
jmp __b1
|
|
// main::@1
|
|
__b1:
|
|
// [6] (byte) plot::x#0 ← (byte) main::i#2
|
|
// [7] call plot
|
|
// [21] phi from main::@1 to plot [phi:main::@1->plot]
|
|
plot_from___b1:
|
|
// [21] phi (byte) plot::x#3 = (byte) plot::x#0 [phi:main::@1->plot#0] -- register_copy
|
|
jsr plot
|
|
jmp __b4
|
|
// main::@4
|
|
__b4:
|
|
// [8] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [9] if((byte) main::i#1!=(byte) $b) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #$b
|
|
bne __b1_from___b4
|
|
// [10] phi from main::@4 to main::@2 [phi:main::@4->main::@2]
|
|
__b2_from___b4:
|
|
// [10] phi (byte) main::j#2 = (byte) 0 [phi:main::@4->main::@2#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
jmp __b2
|
|
// [10] phi from main::@5 to main::@2 [phi:main::@5->main::@2]
|
|
__b2_from___b5:
|
|
// [10] phi (byte) main::j#2 = (byte) main::j#1 [phi:main::@5->main::@2#0] -- register_copy
|
|
jmp __b2
|
|
// main::@2
|
|
__b2:
|
|
// [11] (byte) plot::x#1 ← (byte) main::j#2
|
|
// [12] call plot
|
|
// [21] phi from main::@2 to plot [phi:main::@2->plot]
|
|
plot_from___b2:
|
|
// [21] phi (byte) plot::x#3 = (byte) plot::x#1 [phi:main::@2->plot#0] -- register_copy
|
|
jsr plot
|
|
jmp __b5
|
|
// main::@5
|
|
__b5:
|
|
// [13] (byte) main::j#1 ← ++ (byte) main::j#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [14] if((byte) main::j#1!=(byte) $b) goto main::@2 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #$b
|
|
bne __b2_from___b5
|
|
// [15] phi from main::@5 to main::@3 [phi:main::@5->main::@3]
|
|
__b3_from___b5:
|
|
// [15] phi (byte) main::k#2 = (byte) 0 [phi:main::@5->main::@3#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
jmp __b3
|
|
// [15] phi from main::@6 to main::@3 [phi:main::@6->main::@3]
|
|
__b3_from___b6:
|
|
// [15] phi (byte) main::k#2 = (byte) main::k#1 [phi:main::@6->main::@3#0] -- register_copy
|
|
jmp __b3
|
|
// main::@3
|
|
__b3:
|
|
// [16] (byte) plot::x#2 ← (byte) main::k#2
|
|
// [17] call plot
|
|
// [21] phi from main::@3 to plot [phi:main::@3->plot]
|
|
plot_from___b3:
|
|
// [21] phi (byte) plot::x#3 = (byte) plot::x#2 [phi:main::@3->plot#0] -- register_copy
|
|
jsr plot
|
|
jmp __b6
|
|
// main::@6
|
|
__b6:
|
|
// [18] (byte) main::k#1 ← ++ (byte) main::k#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [19] if((byte) main::k#1!=(byte) $b) goto main::@3 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #$b
|
|
bne __b3_from___b6
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [20] return
|
|
rts
|
|
}
|
|
// plot
|
|
// plot(byte register(X) x)
|
|
plot: {
|
|
// [22] *((const byte*) SCREEN + (byte) plot::x#3) ← (byte) '*' -- pbuc1_derefidx_vbuxx=vbuc2
|
|
lda #'*'
|
|
sta SCREEN,x
|
|
jmp __breturn
|
|
// plot::@return
|
|
__breturn:
|
|
// [23] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __bend
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b4
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __b5
|
|
Removing instruction jmp __b3
|
|
Removing instruction jmp __b6
|
|
Removing instruction jmp __breturn
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Replacing label __bbegin with __b1
|
|
Replacing label __b1_from___b4 with __b1
|
|
Replacing label __b2_from___b5 with __b2
|
|
Replacing label __b3_from___b6 with __b3
|
|
Removing instruction __bbegin:
|
|
Removing instruction __b1_from___bbegin:
|
|
Removing instruction main_from___b1:
|
|
Removing instruction __bend_from___b1:
|
|
Removing instruction __b1_from___b4:
|
|
Removing instruction plot_from___b1:
|
|
Removing instruction __b2_from___b5:
|
|
Removing instruction plot_from___b2:
|
|
Removing instruction __b3_from___b6:
|
|
Removing instruction plot_from___b3:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __bend:
|
|
Removing instruction __b1_from_main:
|
|
Removing instruction __b4:
|
|
Removing instruction __b2_from___b4:
|
|
Removing instruction __b5:
|
|
Removing instruction __b3_from___b5:
|
|
Removing instruction __b6:
|
|
Removing instruction __breturn:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Updating BasicUpstart to call main directly
|
|
Removing instruction jsr main
|
|
Succesful ASM optimization Pass5SkipBegin
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __b3
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Removing instruction __b1:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
(label) @1
|
|
(label) @begin
|
|
(label) @end
|
|
(const 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::i
|
|
(byte) main::i#1 reg byte x 16.5
|
|
(byte) main::i#2 reg byte x 11.0
|
|
(byte) main::j
|
|
(byte) main::j#1 reg byte x 16.5
|
|
(byte) main::j#2 reg byte x 11.0
|
|
(byte) main::k
|
|
(byte) main::k#1 reg byte x 16.5
|
|
(byte) main::k#2 reg byte x 11.0
|
|
(void()) plot((byte) plot::x)
|
|
(label) plot::@return
|
|
(byte) plot::x
|
|
(byte) plot::x#0 reg byte x 22.0
|
|
(byte) plot::x#1 reg byte x 22.0
|
|
(byte) plot::x#2 reg byte x 22.0
|
|
(byte) plot::x#3 reg byte x 35.0
|
|
|
|
reg byte x [ main::i#2 main::i#1 ]
|
|
reg byte x [ main::j#2 main::j#1 ]
|
|
reg byte x [ main::k#2 main::k#1 ]
|
|
reg byte x [ plot::x#3 plot::x#0 plot::x#1 plot::x#2 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 292
|
|
|
|
// File Comments
|
|
// Allocates ZP to j/k-variables even though all of i, j, k could be allocates to x and be more efficient.
|
|
// Reason: Pass4RegisterUpliftCombinations.isAllocationOverlapping() believes i/j/k variables overlaps insode plot()
|
|
// 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) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [5] phi from main::@4 to main::@1 [phi:main::@4->main::@1]
|
|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@4->main::@1#0] -- register_copy
|
|
// main::@1
|
|
__b1:
|
|
// plot(i)
|
|
// [6] (byte) plot::x#0 ← (byte) main::i#2
|
|
// [7] call plot
|
|
// [21] phi from main::@1 to plot [phi:main::@1->plot]
|
|
// [21] phi (byte) plot::x#3 = (byte) plot::x#0 [phi:main::@1->plot#0] -- register_copy
|
|
jsr plot
|
|
// main::@4
|
|
// for(byte i : 0..10)
|
|
// [8] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [9] if((byte) main::i#1!=(byte) $b) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #$b
|
|
bne __b1
|
|
// [10] phi from main::@4 to main::@2 [phi:main::@4->main::@2]
|
|
// [10] phi (byte) main::j#2 = (byte) 0 [phi:main::@4->main::@2#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [10] phi from main::@5 to main::@2 [phi:main::@5->main::@2]
|
|
// [10] phi (byte) main::j#2 = (byte) main::j#1 [phi:main::@5->main::@2#0] -- register_copy
|
|
// main::@2
|
|
__b2:
|
|
// plot(j)
|
|
// [11] (byte) plot::x#1 ← (byte) main::j#2
|
|
// [12] call plot
|
|
// [21] phi from main::@2 to plot [phi:main::@2->plot]
|
|
// [21] phi (byte) plot::x#3 = (byte) plot::x#1 [phi:main::@2->plot#0] -- register_copy
|
|
jsr plot
|
|
// main::@5
|
|
// for(byte j : 0..10)
|
|
// [13] (byte) main::j#1 ← ++ (byte) main::j#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [14] if((byte) main::j#1!=(byte) $b) goto main::@2 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #$b
|
|
bne __b2
|
|
// [15] phi from main::@5 to main::@3 [phi:main::@5->main::@3]
|
|
// [15] phi (byte) main::k#2 = (byte) 0 [phi:main::@5->main::@3#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [15] phi from main::@6 to main::@3 [phi:main::@6->main::@3]
|
|
// [15] phi (byte) main::k#2 = (byte) main::k#1 [phi:main::@6->main::@3#0] -- register_copy
|
|
// main::@3
|
|
__b3:
|
|
// plot(k)
|
|
// [16] (byte) plot::x#2 ← (byte) main::k#2
|
|
// [17] call plot
|
|
// [21] phi from main::@3 to plot [phi:main::@3->plot]
|
|
// [21] phi (byte) plot::x#3 = (byte) plot::x#2 [phi:main::@3->plot#0] -- register_copy
|
|
jsr plot
|
|
// main::@6
|
|
// for(byte k : 0..10)
|
|
// [18] (byte) main::k#1 ← ++ (byte) main::k#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [19] if((byte) main::k#1!=(byte) $b) goto main::@3 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #$b
|
|
bne __b3
|
|
// main::@return
|
|
// }
|
|
// [20] return
|
|
rts
|
|
}
|
|
// plot
|
|
// plot(byte register(X) x)
|
|
plot: {
|
|
// SCREEN[x] = '*'
|
|
// [22] *((const byte*) SCREEN + (byte) plot::x#3) ← (byte) '*' -- pbuc1_derefidx_vbuxx=vbuc2
|
|
lda #'*'
|
|
sta SCREEN,x
|
|
// plot::@return
|
|
// }
|
|
// [23] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|