mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-11-16 21:07:56 +00:00
686 lines
28 KiB
Plaintext
686 lines
28 KiB
Plaintext
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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to:@1
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(void()) main()
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main: scope:[main] from @1
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(byte) main::j#0 ← (byte) 0
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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::@1
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(byte) main::j#3 ← phi( main/(byte) main::j#0 main::@1/(byte) main::j#2 )
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(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@1/(byte) main::i#1 )
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(byte~) main::$1 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_SEGMENT
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*(&(struct Vector) main::to) ← memcpy(*((struct Vector*)(const struct Segment*) letter_c+(const byte) OFFSET_STRUCT_SEGMENT_TO + (byte~) main::$1), struct Vector, (const byte) SIZEOF_STRUCT_VECTOR)
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(struct Vector) main::to ← struct-unwound {*(&(struct Vector) main::to)}
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(byte~) main::$2 ← (byte) main::j#3 * (const byte) SIZEOF_SIGNED_WORD
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*((const nomodify signed word*) SCREEN + (byte~) main::$2) ← *((signed word*)&(struct Vector) main::to+(const byte) OFFSET_STRUCT_VECTOR_X)
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(byte) main::j#1 ← ++ (byte) main::j#3
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(byte~) main::$3 ← (byte) main::j#1 * (const byte) SIZEOF_SIGNED_WORD
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*((const nomodify signed word*) SCREEN + (byte~) main::$3) ← *((signed word*)&(struct Vector) main::to+(const byte) OFFSET_STRUCT_VECTOR_Y)
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(byte) main::j#2 ← ++ (byte) main::j#1
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(byte) main::i#1 ← (byte) main::i#2 + rangenext(0,2)
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(bool~) main::$0 ← (byte) main::i#1 != rangelast(0,2)
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if((bool~) main::$0) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@1
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return
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to:@return
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@1: scope:[] from @begin
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call main
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to:@2
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@2: scope:[] from @1
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to:@end
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@end: scope:[] from @2
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SYMBOL TABLE SSA
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(label) @1
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(label) @2
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(label) @begin
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(label) @end
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(const byte) MOVE_TO = (byte) 0
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(const byte) OFFSET_STRUCT_SEGMENT_TO = (byte) 1
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(const byte) OFFSET_STRUCT_VECTOR_X = (byte) 0
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(const byte) OFFSET_STRUCT_VECTOR_Y = (byte) 2
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(const nomodify signed word*) SCREEN = (signed word*)(number) $400
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(const byte) SIZEOF_SIGNED_WORD = (byte) 2
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(const byte) SIZEOF_STRUCT_SEGMENT = (byte) 9
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(const byte) SIZEOF_STRUCT_VECTOR = (byte) 4
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(const byte) SPLINE_TO = (byte) 1
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(const byte) Segment::SegmentType::LINE_TO = (byte) 2
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(const byte) Segment::SegmentType::MOVE_TO = (byte) 0
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(const byte) Segment::SegmentType::SPLINE_TO = (byte) 1
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(struct Vector) Segment::to
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(byte) Segment::type
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(struct Vector) Segment::via
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(signed word) Vector::x
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(signed word) Vector::y
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(const struct Segment*) letter_c[] = { { type: (const byte) MOVE_TO, to: { x: (signed word)(byte) 'a', y: (signed word)(byte) 'b' }, via: { x: (signed word) 0, y: (signed word) 0 } }, { type: (const byte) SPLINE_TO, to: { x: (signed word)(byte) 'c', y: (signed word)(byte) 'd' }, via: { x: (signed word) $67, y: (signed word) $a9 } }, { type: (const byte) SPLINE_TO, to: { x: (signed word)(byte) 'e', y: (signed word)(byte) 'f' }, via: { x: (signed word) $4b, y: (signed word) $c3 } } }
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(void()) main()
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(bool~) main::$0
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(byte~) main::$1
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(byte~) main::$2
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(byte~) main::$3
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(label) main::@1
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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::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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(struct Vector) main::to loadstore
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Simplifying constant pointer cast (signed word*) 1024
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Successful SSA optimization PassNCastSimplification
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Simple Condition (bool~) main::$0 [14] if((byte) main::i#1!=rangelast(0,2)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Removing C-classic struct-unwound assignment [5] (struct Vector) main::to ← struct-unwound {*(&(struct Vector) main::to)}
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Constant (const byte) main::j#0 = 0
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Constant (const byte) main::i#0 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [12] main::i#1 ← ++ main::i#2 to ++
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Resolved ranged comparison value [14] if(main::i#1!=rangelast(0,2)) goto main::@1 to (number) 3
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Simplifying expression containing zero (signed word*)&main::to in [7] *((const nomodify signed word*) SCREEN + (byte~) main::$2) ← *((signed word*)&(struct Vector) main::to+(const byte) OFFSET_STRUCT_VECTOR_X)
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Successful SSA optimization PassNSimplifyExpressionWithZero
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Eliminating unused constant (const byte) OFFSET_STRUCT_VECTOR_X
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Successful SSA optimization PassNEliminateUnusedVars
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Adding number conversion cast (unumber) 3 in if((byte) main::i#1!=(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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Rewriting multiplication to use shift and addition[1] (byte~) main::$1 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_SEGMENT
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Rewriting multiplication to use shift [3] (byte~) main::$2 ← (byte) main::j#3 * (const byte) SIZEOF_SIGNED_WORD
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Rewriting multiplication to use shift [6] (byte~) main::$3 ← (byte) main::j#1 * (const byte) SIZEOF_SIGNED_WORD
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Successful SSA optimization Pass2MultiplyToShiftRewriting
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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::i#0
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Constant inlined main::i#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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Alias main::$1 = main::$5
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Successful SSA optimization Pass2AliasElimination
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Eliminating unused constant (const byte) SIZEOF_STRUCT_SEGMENT
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Eliminating unused constant (const byte) SIZEOF_SIGNED_WORD
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Successful SSA optimization PassNEliminateUnusedVars
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Added new block during phi lifting main::@2(between main::@1 and main::@1)
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main
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CALL GRAPH
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Calls in [] to main:2
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Created 2 initial phi equivalence classes
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Coalesced [19] main::i#3 ← main::i#1
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Coalesced [20] main::j#4 ← main::j#2
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Coalesced down to 2 phi equivalence classes
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Culled Empty Block (label) @2
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Culled Empty Block (label) main::@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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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::@1
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[5] (byte) main::j#3 ← phi( main/(byte) 0 main::@1/(byte) main::j#2 )
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[5] (byte) main::i#2 ← phi( main/(byte) 0 main::@1/(byte) main::i#1 )
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[6] (byte~) main::$4 ← (byte) main::i#2 << (byte) 3
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[7] (byte~) main::$1 ← (byte~) main::$4 + (byte) main::i#2
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[8] *(&(struct Vector) main::to) ← memcpy(*((struct Vector*)(const struct Segment*) letter_c+(const byte) OFFSET_STRUCT_SEGMENT_TO + (byte~) main::$1), struct Vector, (const byte) SIZEOF_STRUCT_VECTOR)
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[9] (byte~) main::$2 ← (byte) main::j#3 << (byte) 1
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[10] *((const nomodify signed word*) SCREEN + (byte~) main::$2) ← *((signed word*)&(struct Vector) main::to)
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[11] (byte) main::j#1 ← ++ (byte) main::j#3
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[12] (byte~) main::$3 ← (byte) main::j#1 << (byte) 1
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[13] *((const nomodify signed word*) SCREEN + (byte~) main::$3) ← *((signed word*)&(struct Vector) main::to+(const byte) OFFSET_STRUCT_VECTOR_Y)
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[14] (byte) main::j#2 ← ++ (byte) main::j#1
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[15] (byte) main::i#1 ← ++ (byte) main::i#2
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[16] if((byte) main::i#1!=(byte) 3) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@1
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[17] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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(struct Vector) Segment::to
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(byte) Segment::type
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(struct Vector) Segment::via
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(signed word) Vector::x
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(signed word) Vector::y
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(void()) main()
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(byte~) main::$1 101.0
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(byte~) main::$2 202.0
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(byte~) main::$3 202.0
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(byte~) main::$4 202.0
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(byte) main::i
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(byte) main::i#1 151.5
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(byte) main::i#2 40.4
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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 67.33333333333333
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(byte) main::j#3 50.5
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(struct Vector) main::to loadstore
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::j#3 main::j#2 ]
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Added variable main::$4 to live range equivalence class [ main::$4 ]
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Added variable main::$1 to live range equivalence class [ main::$1 ]
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Added variable main::$2 to live range equivalence class [ main::$2 ]
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Added variable main::j#1 to live range equivalence class [ main::j#1 ]
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Added variable main::$3 to live range equivalence class [ main::$3 ]
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Added variable main::to to live range equivalence class [ main::to ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::j#3 main::j#2 ]
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[ main::$4 ]
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[ main::$1 ]
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[ main::$2 ]
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[ main::j#1 ]
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[ main::$3 ]
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[ main::to ]
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Allocated zp[1]:2 [ main::i#2 main::i#1 ]
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Allocated zp[1]:3 [ main::j#3 main::j#2 ]
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Allocated zp[1]:4 [ main::$4 ]
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Allocated zp[1]:5 [ main::$1 ]
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Allocated zp[1]:6 [ main::$2 ]
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Allocated zp[1]:7 [ main::j#1 ]
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Allocated zp[1]:8 [ main::$3 ]
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Allocated zp[4]:9 [ main::to ]
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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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// Complex C-struct - copying a sub-struct with 2-byte members from C-standard layout to C-standard layout (expecting a memcpy)
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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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.const MOVE_TO = 0
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.const SPLINE_TO = 1
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.const OFFSET_STRUCT_SEGMENT_TO = 1
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.const SIZEOF_STRUCT_VECTOR = 4
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.const OFFSET_STRUCT_VECTOR_Y = 2
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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 to = 9
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.label __1 = 5
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.label __2 = 6
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.label __3 = 8
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.label j = 7
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.label j_1 = 3
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.label i = 2
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.label __4 = 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::j#3 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
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lda #0
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sta.z j_1
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// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- 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::@1 to main::@1 [phi:main::@1->main::@1]
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__b1_from___b1:
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// [5] phi (byte) main::j#3 = (byte) main::j#2 [phi:main::@1->main::@1#0] -- register_copy
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// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#1] -- register_copy
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jmp __b1
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// main::@1
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__b1:
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// [6] (byte~) main::$4 ← (byte) main::i#2 << (byte) 3 -- vbuz1=vbuz2_rol_3
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lda.z i
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asl
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asl
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asl
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sta.z __4
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// [7] (byte~) main::$1 ← (byte~) main::$4 + (byte) main::i#2 -- vbuz1=vbuz2_plus_vbuz3
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lda.z __4
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clc
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adc.z i
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sta.z __1
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// [8] *(&(struct Vector) main::to) ← memcpy(*((struct Vector*)(const struct Segment*) letter_c+(const byte) OFFSET_STRUCT_SEGMENT_TO + (byte~) main::$1), struct Vector, (const byte) SIZEOF_STRUCT_VECTOR) -- _deref_pssc1=pssc2_derefidx_vbuz1_memcpy_vbuc3
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ldx.z __1
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ldy #0
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!:
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lda letter_c+OFFSET_STRUCT_SEGMENT_TO,x
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sta to,y
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inx
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iny
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cpy #SIZEOF_STRUCT_VECTOR
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bne !-
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// [9] (byte~) main::$2 ← (byte) main::j#3 << (byte) 1 -- vbuz1=vbuz2_rol_1
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lda.z j_1
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asl
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sta.z __2
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// [10] *((const nomodify signed word*) SCREEN + (byte~) main::$2) ← *((signed word*)&(struct Vector) main::to) -- pwsc1_derefidx_vbuz1=_deref_pwsc2
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ldy.z __2
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lda.z to
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sta SCREEN,y
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lda.z to+1
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sta SCREEN+1,y
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// [11] (byte) main::j#1 ← ++ (byte) main::j#3 -- vbuz1=_inc_vbuz2
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ldy.z j_1
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iny
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sty.z j
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// [12] (byte~) main::$3 ← (byte) main::j#1 << (byte) 1 -- vbuz1=vbuz2_rol_1
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lda.z j
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asl
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sta.z __3
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// [13] *((const nomodify signed word*) SCREEN + (byte~) main::$3) ← *((signed word*)&(struct Vector) main::to+(const byte) OFFSET_STRUCT_VECTOR_Y) -- pwsc1_derefidx_vbuz1=_deref_pwsc2
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ldy.z __3
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lda to+OFFSET_STRUCT_VECTOR_Y
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sta SCREEN,y
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lda to+OFFSET_STRUCT_VECTOR_Y+1
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sta SCREEN+1,y
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// [14] (byte) main::j#2 ← ++ (byte) main::j#1 -- vbuz1=_inc_vbuz2
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ldy.z j
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iny
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sty.z j_1
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// [15] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
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inc.z i
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// [16] if((byte) main::i#1!=(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_from___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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// File Data
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// True type letter c
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letter_c: .byte MOVE_TO
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.word 'a', 'b', 0, 0
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.byte SPLINE_TO
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.word 'c', 'd', $67, $a9
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.byte SPLINE_TO
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.word 'e', 'f', $4b, $c3
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [6] (byte~) main::$4 ← (byte) main::i#2 << (byte) 3 [ main::i#2 main::j#3 main::$4 main::to ] ( main:2 [ main::i#2 main::j#3 main::$4 main::to ] { } ) always clobbers reg byte a
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Removing always clobbered register reg byte a as potential for zp[1]:2 [ main::i#2 main::i#1 ]
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Removing always clobbered register reg byte a as potential for zp[1]:3 [ main::j#3 main::j#2 ]
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Statement [7] (byte~) main::$1 ← (byte~) main::$4 + (byte) main::i#2 [ main::i#2 main::j#3 main::$1 main::to ] ( main:2 [ main::i#2 main::j#3 main::$1 main::to ] { } ) always clobbers reg byte a
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Statement [8] *(&(struct Vector) main::to) ← memcpy(*((struct Vector*)(const struct Segment*) letter_c+(const byte) OFFSET_STRUCT_SEGMENT_TO + (byte~) main::$1), struct Vector, (const byte) SIZEOF_STRUCT_VECTOR) [ main::i#2 main::j#3 main::to ] ( main:2 [ main::i#2 main::j#3 main::to ] { } ) always clobbers reg byte a reg byte x reg byte y
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Removing always clobbered register reg byte x as potential for zp[1]:2 [ main::i#2 main::i#1 ]
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Removing always clobbered register reg byte y as potential for zp[1]:2 [ main::i#2 main::i#1 ]
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Removing always clobbered register reg byte x as potential for zp[1]:3 [ main::j#3 main::j#2 ]
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Removing always clobbered register reg byte y as potential for zp[1]:3 [ main::j#3 main::j#2 ]
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Statement [9] (byte~) main::$2 ← (byte) main::j#3 << (byte) 1 [ main::i#2 main::j#3 main::to main::$2 ] ( main:2 [ main::i#2 main::j#3 main::to main::$2 ] { } ) always clobbers reg byte a
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Statement [10] *((const nomodify signed word*) SCREEN + (byte~) main::$2) ← *((signed word*)&(struct Vector) main::to) [ main::i#2 main::j#3 main::to ] ( main:2 [ main::i#2 main::j#3 main::to ] { } ) always clobbers reg byte a
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Statement [12] (byte~) main::$3 ← (byte) main::j#1 << (byte) 1 [ main::i#2 main::to main::j#1 main::$3 ] ( main:2 [ main::i#2 main::to main::j#1 main::$3 ] { } ) always clobbers reg byte a
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Removing always clobbered register reg byte a as potential for zp[1]:7 [ main::j#1 ]
|
|
Statement [13] *((const nomodify signed word*) SCREEN + (byte~) main::$3) ← *((signed word*)&(struct Vector) main::to+(const byte) OFFSET_STRUCT_VECTOR_Y) [ main::i#2 main::to main::j#1 ] ( main:2 [ main::i#2 main::to main::j#1 ] { } ) always clobbers reg byte a
|
|
Statement [16] if((byte) main::i#1!=(byte) 3) goto main::@1 [ main::i#1 main::j#2 main::to ] ( main:2 [ main::i#1 main::j#2 main::to ] { } ) always clobbers reg byte a
|
|
Statement [6] (byte~) main::$4 ← (byte) main::i#2 << (byte) 3 [ main::i#2 main::j#3 main::$4 main::to ] ( main:2 [ main::i#2 main::j#3 main::$4 main::to ] { } ) always clobbers reg byte a
|
|
Statement [7] (byte~) main::$1 ← (byte~) main::$4 + (byte) main::i#2 [ main::i#2 main::j#3 main::$1 main::to ] ( main:2 [ main::i#2 main::j#3 main::$1 main::to ] { } ) always clobbers reg byte a
|
|
Statement [8] *(&(struct Vector) main::to) ← memcpy(*((struct Vector*)(const struct Segment*) letter_c+(const byte) OFFSET_STRUCT_SEGMENT_TO + (byte~) main::$1), struct Vector, (const byte) SIZEOF_STRUCT_VECTOR) [ main::i#2 main::j#3 main::to ] ( main:2 [ main::i#2 main::j#3 main::to ] { } ) always clobbers reg byte a reg byte x reg byte y
|
|
Statement [9] (byte~) main::$2 ← (byte) main::j#3 << (byte) 1 [ main::i#2 main::j#3 main::to main::$2 ] ( main:2 [ main::i#2 main::j#3 main::to main::$2 ] { } ) always clobbers reg byte a
|
|
Statement [10] *((const nomodify signed word*) SCREEN + (byte~) main::$2) ← *((signed word*)&(struct Vector) main::to) [ main::i#2 main::j#3 main::to ] ( main:2 [ main::i#2 main::j#3 main::to ] { } ) always clobbers reg byte a
|
|
Statement [12] (byte~) main::$3 ← (byte) main::j#1 << (byte) 1 [ main::i#2 main::to main::j#1 main::$3 ] ( main:2 [ main::i#2 main::to main::j#1 main::$3 ] { } ) always clobbers reg byte a
|
|
Statement [13] *((const nomodify signed word*) SCREEN + (byte~) main::$3) ← *((signed word*)&(struct Vector) main::to+(const byte) OFFSET_STRUCT_VECTOR_Y) [ main::i#2 main::to main::j#1 ] ( main:2 [ main::i#2 main::to main::j#1 ] { } ) always clobbers reg byte a
|
|
Statement [16] if((byte) main::i#1!=(byte) 3) goto main::@1 [ main::i#1 main::j#2 main::to ] ( main:2 [ main::i#1 main::j#2 main::to ] { } ) always clobbers reg byte a
|
|
Potential registers zp[1]:2 [ main::i#2 main::i#1 ] : zp[1]:2 ,
|
|
Potential registers zp[1]:3 [ main::j#3 main::j#2 ] : zp[1]:3 ,
|
|
Potential registers zp[1]:4 [ main::$4 ] : zp[1]:4 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:5 [ main::$1 ] : zp[1]:5 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:6 [ main::$2 ] : zp[1]:6 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:7 [ main::j#1 ] : zp[1]:7 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:8 [ main::$3 ] : zp[1]:8 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[4]:9 [ main::to ] : zp[4]:9 ,
|
|
|
|
REGISTER UPLIFT SCOPES
|
|
Uplift Scope [main] 202: zp[1]:4 [ main::$4 ] 202: zp[1]:6 [ main::$2 ] 202: zp[1]:8 [ main::$3 ] 191.9: zp[1]:2 [ main::i#2 main::i#1 ] 117.83: zp[1]:3 [ main::j#3 main::j#2 ] 101: zp[1]:5 [ main::$1 ] 101: zp[1]:7 [ main::j#1 ] 0: zp[4]:9 [ main::to ]
|
|
Uplift Scope [Vector]
|
|
Uplift Scope [Segment]
|
|
Uplift Scope [Segment::SegmentType]
|
|
Uplift Scope []
|
|
|
|
Uplifting [main] best 1333 combination reg byte a [ main::$4 ] reg byte a [ main::$2 ] reg byte a [ main::$3 ] zp[1]:2 [ main::i#2 main::i#1 ] zp[1]:3 [ main::j#3 main::j#2 ] reg byte a [ main::$1 ] zp[1]:7 [ main::j#1 ] zp[4]:9 [ main::to ]
|
|
Limited combination testing to 100 combinations of 768 possible.
|
|
Uplifting [Vector] best 1333 combination
|
|
Uplifting [Segment] best 1333 combination
|
|
Uplifting [Segment::SegmentType] best 1333 combination
|
|
Uplifting [] best 1333 combination
|
|
Attempting to uplift remaining variables inzp[1]:2 [ main::i#2 main::i#1 ]
|
|
Uplifting [main] best 1333 combination zp[1]:2 [ main::i#2 main::i#1 ]
|
|
Attempting to uplift remaining variables inzp[1]:3 [ main::j#3 main::j#2 ]
|
|
Uplifting [main] best 1333 combination zp[1]:3 [ main::j#3 main::j#2 ]
|
|
Attempting to uplift remaining variables inzp[1]:7 [ main::j#1 ]
|
|
Uplifting [main] best 1263 combination reg byte x [ main::j#1 ]
|
|
Allocated (was zp[4]:9) zp[4]:4 [ main::to ]
|
|
|
|
ASSEMBLER BEFORE OPTIMIZATION
|
|
// File Comments
|
|
// Complex C-struct - copying a sub-struct with 2-byte members from C-standard layout to C-standard layout (expecting a memcpy)
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
.const MOVE_TO = 0
|
|
.const SPLINE_TO = 1
|
|
.const OFFSET_STRUCT_SEGMENT_TO = 1
|
|
.const SIZEOF_STRUCT_VECTOR = 4
|
|
.const OFFSET_STRUCT_VECTOR_Y = 2
|
|
.label SCREEN = $400
|
|
// @begin
|
|
__bbegin:
|
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
|
__b1_from___bbegin:
|
|
jmp __b1
|
|
// @1
|
|
__b1:
|
|
// [2] call main
|
|
// [4] phi from @1 to main [phi:@1->main]
|
|
main_from___b1:
|
|
jsr main
|
|
// [3] phi from @1 to @end [phi:@1->@end]
|
|
__bend_from___b1:
|
|
jmp __bend
|
|
// @end
|
|
__bend:
|
|
// main
|
|
main: {
|
|
.label to = 4
|
|
.label j = 3
|
|
.label i = 2
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
|
__b1_from_main:
|
|
// [5] phi (byte) main::j#3 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z j
|
|
// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z i
|
|
jmp __b1
|
|
// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
|
__b1_from___b1:
|
|
// [5] phi (byte) main::j#3 = (byte) main::j#2 [phi:main::@1->main::@1#0] -- register_copy
|
|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#1] -- register_copy
|
|
jmp __b1
|
|
// main::@1
|
|
__b1:
|
|
// [6] (byte~) main::$4 ← (byte) main::i#2 << (byte) 3 -- vbuaa=vbuz1_rol_3
|
|
lda.z i
|
|
asl
|
|
asl
|
|
asl
|
|
// [7] (byte~) main::$1 ← (byte~) main::$4 + (byte) main::i#2 -- vbuaa=vbuaa_plus_vbuz1
|
|
clc
|
|
adc.z i
|
|
// [8] *(&(struct Vector) main::to) ← memcpy(*((struct Vector*)(const struct Segment*) letter_c+(const byte) OFFSET_STRUCT_SEGMENT_TO + (byte~) main::$1), struct Vector, (const byte) SIZEOF_STRUCT_VECTOR) -- _deref_pssc1=pssc2_derefidx_vbuaa_memcpy_vbuc3
|
|
tax
|
|
ldy #0
|
|
!:
|
|
lda letter_c+OFFSET_STRUCT_SEGMENT_TO,x
|
|
sta to,y
|
|
inx
|
|
iny
|
|
cpy #SIZEOF_STRUCT_VECTOR
|
|
bne !-
|
|
// [9] (byte~) main::$2 ← (byte) main::j#3 << (byte) 1 -- vbuaa=vbuz1_rol_1
|
|
lda.z j
|
|
asl
|
|
// [10] *((const nomodify signed word*) SCREEN + (byte~) main::$2) ← *((signed word*)&(struct Vector) main::to) -- pwsc1_derefidx_vbuaa=_deref_pwsc2
|
|
tay
|
|
lda.z to
|
|
sta SCREEN,y
|
|
lda.z to+1
|
|
sta SCREEN+1,y
|
|
// [11] (byte) main::j#1 ← ++ (byte) main::j#3 -- vbuxx=_inc_vbuz1
|
|
ldx.z j
|
|
inx
|
|
// [12] (byte~) main::$3 ← (byte) main::j#1 << (byte) 1 -- vbuaa=vbuxx_rol_1
|
|
txa
|
|
asl
|
|
// [13] *((const nomodify signed word*) SCREEN + (byte~) main::$3) ← *((signed word*)&(struct Vector) main::to+(const byte) OFFSET_STRUCT_VECTOR_Y) -- pwsc1_derefidx_vbuaa=_deref_pwsc2
|
|
tay
|
|
lda to+OFFSET_STRUCT_VECTOR_Y
|
|
sta SCREEN,y
|
|
lda to+OFFSET_STRUCT_VECTOR_Y+1
|
|
sta SCREEN+1,y
|
|
// [14] (byte) main::j#2 ← ++ (byte) main::j#1 -- vbuz1=_inc_vbuxx
|
|
inx
|
|
stx.z j
|
|
// [15] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
|
|
inc.z i
|
|
// [16] if((byte) main::i#1!=(byte) 3) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #3
|
|
cmp.z i
|
|
bne __b1_from___b1
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [17] return
|
|
rts
|
|
}
|
|
// File Data
|
|
// True type letter c
|
|
letter_c: .byte MOVE_TO
|
|
.word 'a', 'b', 0, 0
|
|
.byte SPLINE_TO
|
|
.word 'c', 'd', $67, $a9
|
|
.byte SPLINE_TO
|
|
.word 'e', 'f', $4b, $c3
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __bend
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Removing instruction lda #0
|
|
Succesful ASM optimization Pass5UnnecesaryLoadElimination
|
|
Replacing label __b1_from___b1 with __b1
|
|
Removing instruction __b1_from___bbegin:
|
|
Removing instruction __b1:
|
|
Removing instruction main_from___b1:
|
|
Removing instruction __bend_from___b1:
|
|
Removing instruction __b1_from___b1:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __bbegin:
|
|
Removing instruction __bend:
|
|
Removing instruction __b1_from_main:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Removing instruction jsr main
|
|
Succesful ASM optimization Pass5SkipBegin
|
|
Removing instruction jmp __b1
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
(label) @1
|
|
(label) @begin
|
|
(label) @end
|
|
(const byte) MOVE_TO = (byte) 0
|
|
(const byte) OFFSET_STRUCT_SEGMENT_TO = (byte) 1
|
|
(const byte) OFFSET_STRUCT_VECTOR_Y = (byte) 2
|
|
(const nomodify signed word*) SCREEN = (signed word*) 1024
|
|
(const byte) SIZEOF_STRUCT_VECTOR = (byte) 4
|
|
(const byte) SPLINE_TO = (byte) 1
|
|
(const byte) Segment::SegmentType::LINE_TO = (byte) 2
|
|
(const byte) Segment::SegmentType::MOVE_TO = (byte) 0
|
|
(const byte) Segment::SegmentType::SPLINE_TO = (byte) 1
|
|
(struct Vector) Segment::to
|
|
(byte) Segment::type
|
|
(struct Vector) Segment::via
|
|
(signed word) Vector::x
|
|
(signed word) Vector::y
|
|
(const struct Segment*) letter_c[] = { { type: (const byte) MOVE_TO, to: { x: (signed word)(byte) 'a', y: (signed word)(byte) 'b' }, via: { x: (signed word) 0, y: (signed word) 0 } }, { type: (const byte) SPLINE_TO, to: { x: (signed word)(byte) 'c', y: (signed word)(byte) 'd' }, via: { x: (signed word) $67, y: (signed word) $a9 } }, { type: (const byte) SPLINE_TO, to: { x: (signed word)(byte) 'e', y: (signed word)(byte) 'f' }, via: { x: (signed word) $4b, y: (signed word) $c3 } } }
|
|
(void()) main()
|
|
(byte~) main::$1 reg byte a 101.0
|
|
(byte~) main::$2 reg byte a 202.0
|
|
(byte~) main::$3 reg byte a 202.0
|
|
(byte~) main::$4 reg byte a 202.0
|
|
(label) main::@1
|
|
(label) main::@return
|
|
(byte) main::i
|
|
(byte) main::i#1 i zp[1]:2 151.5
|
|
(byte) main::i#2 i zp[1]:2 40.4
|
|
(byte) main::j
|
|
(byte) main::j#1 reg byte x 101.0
|
|
(byte) main::j#2 j zp[1]:3 67.33333333333333
|
|
(byte) main::j#3 j zp[1]:3 50.5
|
|
(struct Vector) main::to loadstore zp[4]:4
|
|
|
|
zp[1]:2 [ main::i#2 main::i#1 ]
|
|
zp[1]:3 [ main::j#3 main::j#2 ]
|
|
reg byte a [ main::$4 ]
|
|
reg byte a [ main::$1 ]
|
|
reg byte a [ main::$2 ]
|
|
reg byte x [ main::j#1 ]
|
|
reg byte a [ main::$3 ]
|
|
zp[4]:4 [ main::to ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 1141
|
|
|
|
// File Comments
|
|
// Complex C-struct - copying a sub-struct with 2-byte members from C-standard layout to C-standard layout (expecting a memcpy)
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
.const MOVE_TO = 0
|
|
.const SPLINE_TO = 1
|
|
.const OFFSET_STRUCT_SEGMENT_TO = 1
|
|
.const SIZEOF_STRUCT_VECTOR = 4
|
|
.const OFFSET_STRUCT_VECTOR_Y = 2
|
|
.label SCREEN = $400
|
|
// @begin
|
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
|
// @1
|
|
// [2] call main
|
|
// [4] phi from @1 to main [phi:@1->main]
|
|
// [3] phi from @1 to @end [phi:@1->@end]
|
|
// @end
|
|
// main
|
|
main: {
|
|
.label to = 4
|
|
.label j = 3
|
|
.label i = 2
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
|
// [5] phi (byte) main::j#3 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z j
|
|
// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- vbuz1=vbuc1
|
|
sta.z i
|
|
// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
|
// [5] phi (byte) main::j#3 = (byte) main::j#2 [phi:main::@1->main::@1#0] -- register_copy
|
|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#1] -- register_copy
|
|
// main::@1
|
|
__b1:
|
|
// to = letter_c[i].to
|
|
// [6] (byte~) main::$4 ← (byte) main::i#2 << (byte) 3 -- vbuaa=vbuz1_rol_3
|
|
lda.z i
|
|
asl
|
|
asl
|
|
asl
|
|
// [7] (byte~) main::$1 ← (byte~) main::$4 + (byte) main::i#2 -- vbuaa=vbuaa_plus_vbuz1
|
|
clc
|
|
adc.z i
|
|
// [8] *(&(struct Vector) main::to) ← memcpy(*((struct Vector*)(const struct Segment*) letter_c+(const byte) OFFSET_STRUCT_SEGMENT_TO + (byte~) main::$1), struct Vector, (const byte) SIZEOF_STRUCT_VECTOR) -- _deref_pssc1=pssc2_derefidx_vbuaa_memcpy_vbuc3
|
|
tax
|
|
ldy #0
|
|
!:
|
|
lda letter_c+OFFSET_STRUCT_SEGMENT_TO,x
|
|
sta to,y
|
|
inx
|
|
iny
|
|
cpy #SIZEOF_STRUCT_VECTOR
|
|
bne !-
|
|
// SCREEN[j++] = to.x
|
|
// [9] (byte~) main::$2 ← (byte) main::j#3 << (byte) 1 -- vbuaa=vbuz1_rol_1
|
|
lda.z j
|
|
asl
|
|
// [10] *((const nomodify signed word*) SCREEN + (byte~) main::$2) ← *((signed word*)&(struct Vector) main::to) -- pwsc1_derefidx_vbuaa=_deref_pwsc2
|
|
tay
|
|
lda.z to
|
|
sta SCREEN,y
|
|
lda.z to+1
|
|
sta SCREEN+1,y
|
|
// SCREEN[j++] = to.x;
|
|
// [11] (byte) main::j#1 ← ++ (byte) main::j#3 -- vbuxx=_inc_vbuz1
|
|
ldx.z j
|
|
inx
|
|
// SCREEN[j++] = to.y
|
|
// [12] (byte~) main::$3 ← (byte) main::j#1 << (byte) 1 -- vbuaa=vbuxx_rol_1
|
|
txa
|
|
asl
|
|
// [13] *((const nomodify signed word*) SCREEN + (byte~) main::$3) ← *((signed word*)&(struct Vector) main::to+(const byte) OFFSET_STRUCT_VECTOR_Y) -- pwsc1_derefidx_vbuaa=_deref_pwsc2
|
|
tay
|
|
lda to+OFFSET_STRUCT_VECTOR_Y
|
|
sta SCREEN,y
|
|
lda to+OFFSET_STRUCT_VECTOR_Y+1
|
|
sta SCREEN+1,y
|
|
// SCREEN[j++] = to.y;
|
|
// [14] (byte) main::j#2 ← ++ (byte) main::j#1 -- vbuz1=_inc_vbuxx
|
|
inx
|
|
stx.z j
|
|
// for( byte i: 0..2)
|
|
// [15] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
|
|
inc.z i
|
|
// [16] if((byte) main::i#1!=(byte) 3) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #3
|
|
cmp.z i
|
|
bne __b1
|
|
// main::@return
|
|
// }
|
|
// [17] return
|
|
rts
|
|
}
|
|
// File Data
|
|
// True type letter c
|
|
letter_c: .byte MOVE_TO
|
|
.word 'a', 'b', 0, 0
|
|
.byte SPLINE_TO
|
|
.word 'c', 'd', $67, $a9
|
|
.byte SPLINE_TO
|
|
.word 'e', 'f', $4b, $c3
|
|
|