mirror of
https://gitlab.com/camelot/kickc.git
synced 2025-08-09 04:25:12 +00:00
450 lines
14 KiB
Plaintext
450 lines
14 KiB
Plaintext
Inlined call call __init
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Removing C-classic struct-unwound assignment print::data = struct-unwound {*(&print::data)}
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Removing C-classic struct-unwound assignment print::data = struct-unwound {*(&print::data)}
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CONTROL FLOW GRAPH SSA
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void main()
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main: scope:[main] from __start::@1
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idx#17 = phi( __start::@1/idx#18 )
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*(&print::data) = memcpy(*(&data1), union Data, SIZEOF_UNION_DATA)
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call print
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to:main::@1
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main::@1: scope:[main] from main
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idx#10 = phi( main/idx#6 )
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idx#0 = idx#10
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*(&print::data) = memcpy(*(&data2), union Data, SIZEOF_UNION_DATA)
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call print
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to:main::@2
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main::@2: scope:[main] from main::@1
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idx#11 = phi( main::@1/idx#6 )
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idx#1 = idx#11
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to:main::@return
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main::@return: scope:[main] from main::@2
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idx#12 = phi( main::@2/idx#1 )
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idx#2 = idx#12
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return
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to:@return
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void print(union Data print::data)
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print: scope:[print] from main main::@1
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idx#13 = phi( main/idx#17, main::@1/idx#0 )
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print::$0 = byte1 *((word*)&print::data+OFFSET_UNION_DATA_W)
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SCREEN[idx#13] = print::$0
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idx#3 = ++ idx#13
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SCREEN[idx#3] = *((byte*)&print::data+OFFSET_UNION_DATA_B)
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idx#4 = ++ idx#3
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SCREEN[idx#4] = ' '
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idx#5 = ++ idx#4
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to:print::@return
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print::@return: scope:[print] from print
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idx#14 = phi( print/idx#5 )
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idx#6 = idx#14
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return
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to:@return
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void __start()
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__start: scope:[__start] from
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to:__start::__init1
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__start::__init1: scope:[__start] from __start
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idx#7 = 0
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to:__start::@1
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__start::@1: scope:[__start] from __start::__init1
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idx#18 = phi( __start::__init1/idx#7 )
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call main
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to:__start::@2
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__start::@2: scope:[__start] from __start::@1
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idx#15 = phi( __start::@1/idx#2 )
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idx#8 = idx#15
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to:__start::@return
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__start::@return: scope:[__start] from __start::@2
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idx#16 = phi( __start::@2/idx#8 )
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idx#9 = idx#16
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return
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to:@return
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SYMBOL TABLE SSA
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constant byte OFFSET_UNION_DATA_B = 0
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constant byte OFFSET_UNION_DATA_W = 0
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constant byte* const SCREEN = (byte*)$400
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constant byte SIZEOF_UNION_DATA = 2
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void __start()
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union Data data1 loadstore = { b: $12 }
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union Data data2 loadstore = { b: $34 }
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byte idx
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byte idx#0
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byte idx#1
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byte idx#10
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byte idx#11
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byte idx#12
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byte idx#13
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byte idx#14
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byte idx#15
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byte idx#16
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byte idx#17
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byte idx#18
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byte idx#2
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byte idx#3
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byte idx#4
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byte idx#5
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byte idx#6
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byte idx#7
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byte idx#8
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byte idx#9
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void main()
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void print(union Data print::data)
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byte~ print::$0
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union Data print::data loadstore
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Simplifying constant pointer cast (byte*) 1024
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Successful SSA optimization PassNCastSimplification
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Alias idx#0 = idx#10
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Alias idx#1 = idx#11 idx#12 idx#2
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Alias idx#14 = idx#5 idx#6
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Alias idx#18 = idx#7
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Alias idx#15 = idx#8 idx#16 idx#9
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Successful SSA optimization Pass2AliasElimination
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Identical Phi Values idx#17 idx#18
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Identical Phi Values idx#0 idx#14
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Identical Phi Values idx#1 idx#14
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Identical Phi Values idx#15 idx#1
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Successful SSA optimization Pass2IdenticalPhiElimination
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Constant idx#18 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Simplifying expression containing zero (word*)&print::data in [9] print::$0 = byte1 *((word*)&print::data+OFFSET_UNION_DATA_W)
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Simplifying expression containing zero (byte*)&print::data in [12] SCREEN[idx#3] = *((byte*)&print::data+OFFSET_UNION_DATA_B)
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Successful SSA optimization PassNSimplifyExpressionWithZero
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Eliminating unused constant OFFSET_UNION_DATA_W
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Eliminating unused constant OFFSET_UNION_DATA_B
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Successful SSA optimization PassNEliminateUnusedVars
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Removing unused procedure __start
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Removing unused procedure block __start
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Removing unused procedure block __start::__init1
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Removing unused procedure block __start::@1
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Removing unused procedure block __start::@2
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Removing unused procedure block __start::@return
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Successful SSA optimization PassNEliminateEmptyStart
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Inlining constant with var siblings idx#18
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Constant inlined idx#18 = 0
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Successful SSA optimization Pass2ConstantInlining
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Adding NOP phi() at start of main::@2
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CALL GRAPH
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Calls in [main] to print:1 print:4
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Created 1 initial phi equivalence classes
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Coalesced [3] idx#19 = idx#14
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Coalesced down to 1 phi equivalence classes
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Culled Empty Block label main::@2
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FINAL CONTROL FLOW GRAPH
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void main()
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main: scope:[main] from
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[0] *(&print::data) = memcpy(*(&data1), union Data, SIZEOF_UNION_DATA)
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[1] call print
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to:main::@1
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main::@1: scope:[main] from main
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[2] *(&print::data) = memcpy(*(&data2), union Data, SIZEOF_UNION_DATA)
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[3] call print
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to:main::@return
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main::@return: scope:[main] from main::@1
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[4] return
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to:@return
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void print(union Data print::data)
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print: scope:[print] from main main::@1
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[5] idx#13 = phi( main/0, main::@1/idx#14 )
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[6] print::$0 = byte1 *((word*)&print::data)
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[7] SCREEN[idx#13] = print::$0
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[8] idx#3 = ++ idx#13
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[9] SCREEN[idx#3] = *((byte*)&print::data)
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[10] idx#4 = ++ idx#3
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[11] SCREEN[idx#4] = ' '
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[12] idx#14 = ++ idx#4
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to:print::@return
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print::@return: scope:[print] from print
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[13] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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union Data data1 loadstore = { b: $12 }
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union Data data2 loadstore = { b: $34 }
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byte idx
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byte idx#13 8.0
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byte idx#14 3.25
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byte idx#3 16.5
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byte idx#4 16.5
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void main()
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void print(union Data print::data)
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byte~ print::$0 22.0
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union Data print::data loadstore
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Initial phi equivalence classes
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[ idx#13 idx#14 ]
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Added variable print::$0 to live range equivalence class [ print::$0 ]
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Added variable idx#3 to live range equivalence class [ idx#3 ]
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Added variable idx#4 to live range equivalence class [ idx#4 ]
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Added variable data1 to live range equivalence class [ data1 ]
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Added variable data2 to live range equivalence class [ data2 ]
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Added variable print::data to live range equivalence class [ print::data ]
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Complete equivalence classes
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[ idx#13 idx#14 ]
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[ print::$0 ]
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[ idx#3 ]
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[ idx#4 ]
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[ data1 ]
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[ data2 ]
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[ print::data ]
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Allocated zp[1]:2 [ idx#13 idx#14 ]
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Allocated zp[1]:3 [ print::$0 ]
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Allocated zp[1]:4 [ idx#3 ]
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Allocated zp[1]:5 [ idx#4 ]
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Allocated mem[2] [ data1 ]
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Allocated mem[2] [ data2 ]
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Allocated zp[2]:6 [ print::data ]
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [0] *(&print::data) = memcpy(*(&data1), union Data, SIZEOF_UNION_DATA) [ print::data data2 ] ( [ print::data data2 ] { } ) always clobbers reg byte a reg byte y
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Statement [2] *(&print::data) = memcpy(*(&data2), union Data, SIZEOF_UNION_DATA) [ print::data idx#14 ] ( [ print::data idx#14 ] { { idx#13 = idx#14 } } ) always clobbers reg byte a reg byte y
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Removing always clobbered register reg byte a as potential for zp[1]:2 [ idx#13 idx#14 ]
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Removing always clobbered register reg byte y as potential for zp[1]:2 [ idx#13 idx#14 ]
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Statement [9] SCREEN[idx#3] = *((byte*)&print::data) [ print::data idx#3 ] ( print:1 [ data2 print::data idx#3 ] { } print:3 [ print::data idx#3 ] { { idx#13 = idx#14 } } ) always clobbers reg byte a
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Removing always clobbered register reg byte a as potential for zp[1]:4 [ idx#3 ]
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Statement [11] SCREEN[idx#4] = ' ' [ print::data idx#4 ] ( print:1 [ data2 print::data idx#4 ] { } print:3 [ print::data idx#4 ] { { idx#13 = idx#14 } } ) always clobbers reg byte a
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Removing always clobbered register reg byte a as potential for zp[1]:5 [ idx#4 ]
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Statement [0] *(&print::data) = memcpy(*(&data1), union Data, SIZEOF_UNION_DATA) [ print::data data2 ] ( [ print::data data2 ] { } ) always clobbers reg byte a reg byte y
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Statement [2] *(&print::data) = memcpy(*(&data2), union Data, SIZEOF_UNION_DATA) [ print::data idx#14 ] ( [ print::data idx#14 ] { { idx#13 = idx#14 } } ) always clobbers reg byte a reg byte y
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Statement [9] SCREEN[idx#3] = *((byte*)&print::data) [ print::data idx#3 ] ( print:1 [ data2 print::data idx#3 ] { } print:3 [ print::data idx#3 ] { { idx#13 = idx#14 } } ) always clobbers reg byte a
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Statement [11] SCREEN[idx#4] = ' ' [ print::data idx#4 ] ( print:1 [ data2 print::data idx#4 ] { } print:3 [ print::data idx#4 ] { { idx#13 = idx#14 } } ) always clobbers reg byte a
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Potential registers zp[1]:2 [ idx#13 idx#14 ] : zp[1]:2 , reg byte x ,
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Potential registers zp[1]:3 [ print::$0 ] : zp[1]:3 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:4 [ idx#3 ] : zp[1]:4 , reg byte x , reg byte y ,
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Potential registers zp[1]:5 [ idx#4 ] : zp[1]:5 , reg byte x , reg byte y ,
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Potential registers mem[2] [ data1 ] : mem[2] ,
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Potential registers mem[2] [ data2 ] : mem[2] ,
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Potential registers zp[2]:6 [ print::data ] : zp[2]:6 ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [] 16.5: zp[1]:4 [ idx#3 ] 16.5: zp[1]:5 [ idx#4 ] 11.25: zp[1]:2 [ idx#13 idx#14 ] 0: mem[2] [ data1 ] 0: mem[2] [ data2 ]
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Uplift Scope [print] 22: zp[1]:3 [ print::$0 ] 0: zp[2]:6 [ print::data ]
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Uplift Scope [Data]
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Uplift Scope [main]
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Uplifting [] best 102 combination reg byte x [ idx#3 ] reg byte x [ idx#4 ] reg byte x [ idx#13 idx#14 ] mem[2] [ data1 ] mem[2] [ data2 ]
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Uplifting [print] best 96 combination reg byte a [ print::$0 ] zp[2]:6 [ print::data ]
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Uplifting [Data] best 96 combination
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Uplifting [main] best 96 combination
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Allocated (was zp[2]:6) zp[2]:2 [ print::data ]
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Minimal union with C-Standard behavior - union parameter
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="union-7.prg", type="prg", segments="Program"]
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.segmentdef Program [segments="Basic, Code, Data"]
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.segmentdef Basic [start=$0801]
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.segmentdef Code [start=$80d]
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.segmentdef Data [startAfter="Code"]
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.segment Basic
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:BasicUpstart(main)
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// Global Constants & labels
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.const SIZEOF_UNION_DATA = 2
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.label SCREEN = $400
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.segment Code
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// main
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main: {
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// [0] *(&print::data) = memcpy(*(&data1), union Data, SIZEOF_UNION_DATA) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
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ldy #SIZEOF_UNION_DATA
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!:
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lda data1-1,y
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sta print.data-1,y
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dey
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bne !-
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// [1] call print
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// [5] phi from main to print [phi:main->print]
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print_from_main:
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// [5] phi idx#13 = 0 [phi:main->print#0] -- vbuxx=vbuc1
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ldx #0
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jsr print
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jmp __b1
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// main::@1
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__b1:
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// [2] *(&print::data) = memcpy(*(&data2), union Data, SIZEOF_UNION_DATA) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
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ldy #SIZEOF_UNION_DATA
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!:
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lda data2-1,y
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sta print.data-1,y
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dey
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bne !-
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// [3] call print
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// [5] phi from main::@1 to print [phi:main::@1->print]
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print_from___b1:
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// [5] phi idx#13 = idx#14 [phi:main::@1->print#0] -- register_copy
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jsr print
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jmp __breturn
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// main::@return
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__breturn:
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// [4] return
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rts
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}
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// print
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// print(union Data zp(2) data)
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print: {
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.label data = 2
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// [6] print::$0 = byte1 *((word*)&print::data) -- vbuaa=_byte1__deref_pwuc1
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lda.z data+1
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// [7] SCREEN[idx#13] = print::$0 -- pbuc1_derefidx_vbuxx=vbuaa
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sta SCREEN,x
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// [8] idx#3 = ++ idx#13 -- vbuxx=_inc_vbuxx
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inx
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// [9] SCREEN[idx#3] = *((byte*)&print::data) -- pbuc1_derefidx_vbuxx=_deref_pbuc2
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lda.z data
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sta SCREEN,x
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// [10] idx#4 = ++ idx#3 -- vbuxx=_inc_vbuxx
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inx
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// [11] SCREEN[idx#4] = ' ' -- pbuc1_derefidx_vbuxx=vbuc2
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lda #' '
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sta SCREEN,x
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// [12] idx#14 = ++ idx#4 -- vbuxx=_inc_vbuxx
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inx
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jmp __breturn
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// print::@return
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__breturn:
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// [13] return
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rts
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}
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// File Data
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.segment Data
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data1: .byte $12
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.fill 1, 0
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data2: .byte $34
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.fill 1, 0
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ASSEMBLER OPTIMIZATIONS
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Removing instruction jmp __b1
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Removing instruction jmp __breturn
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Removing instruction jmp __breturn
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Succesful ASM optimization Pass5NextJumpElimination
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Removing instruction print_from_main:
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Removing instruction __b1:
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Removing instruction print_from___b1:
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Removing instruction __breturn:
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Removing instruction __breturn:
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Succesful ASM optimization Pass5UnusedLabelElimination
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FINAL SYMBOL TABLE
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constant byte* const SCREEN = (byte*) 1024
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constant byte SIZEOF_UNION_DATA = 2
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union Data data1 loadstore mem[2] = { b: $12 }
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union Data data2 loadstore mem[2] = { b: $34 }
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byte idx
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byte idx#13 reg byte x 8.0
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byte idx#14 reg byte x 3.25
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byte idx#3 reg byte x 16.5
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byte idx#4 reg byte x 16.5
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void main()
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void print(union Data print::data)
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byte~ print::$0 reg byte a 22.0
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union Data print::data loadstore zp[2]:2
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reg byte x [ idx#13 idx#14 ]
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reg byte a [ print::$0 ]
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reg byte x [ idx#3 ]
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reg byte x [ idx#4 ]
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mem[2] [ data1 ]
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mem[2] [ data2 ]
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zp[2]:2 [ print::data ]
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FINAL ASSEMBLER
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Score: 87
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// File Comments
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// Minimal union with C-Standard behavior - union parameter
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="union-7.prg", type="prg", segments="Program"]
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.segmentdef Program [segments="Basic, Code, Data"]
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.segmentdef Basic [start=$0801]
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.segmentdef Code [start=$80d]
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.segmentdef Data [startAfter="Code"]
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.segment Basic
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:BasicUpstart(main)
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// Global Constants & labels
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.const SIZEOF_UNION_DATA = 2
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.label SCREEN = $400
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.segment Code
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// main
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main: {
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// print(data1)
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// [0] *(&print::data) = memcpy(*(&data1), union Data, SIZEOF_UNION_DATA) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
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ldy #SIZEOF_UNION_DATA
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!:
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lda data1-1,y
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sta print.data-1,y
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dey
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bne !-
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// [1] call print
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// [5] phi from main to print [phi:main->print]
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// [5] phi idx#13 = 0 [phi:main->print#0] -- vbuxx=vbuc1
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ldx #0
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jsr print
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// main::@1
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// print(data2)
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// [2] *(&print::data) = memcpy(*(&data2), union Data, SIZEOF_UNION_DATA) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
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ldy #SIZEOF_UNION_DATA
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!:
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lda data2-1,y
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sta print.data-1,y
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dey
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bne !-
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// [3] call print
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// [5] phi from main::@1 to print [phi:main::@1->print]
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// [5] phi idx#13 = idx#14 [phi:main::@1->print#0] -- register_copy
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jsr print
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// main::@return
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// }
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// [4] return
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rts
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}
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// print
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// print(union Data zp(2) data)
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print: {
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.label data = 2
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// BYTE1(data.w)
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// [6] print::$0 = byte1 *((word*)&print::data) -- vbuaa=_byte1__deref_pwuc1
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lda.z data+1
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// SCREEN[idx++] = BYTE1(data.w)
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// [7] SCREEN[idx#13] = print::$0 -- pbuc1_derefidx_vbuxx=vbuaa
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sta SCREEN,x
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// SCREEN[idx++] = BYTE1(data.w);
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// [8] idx#3 = ++ idx#13 -- vbuxx=_inc_vbuxx
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inx
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// SCREEN[idx++] = data.b
|
|
// [9] SCREEN[idx#3] = *((byte*)&print::data) -- pbuc1_derefidx_vbuxx=_deref_pbuc2
|
|
lda.z data
|
|
sta SCREEN,x
|
|
// SCREEN[idx++] = data.b;
|
|
// [10] idx#4 = ++ idx#3 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// SCREEN[idx++] = ' '
|
|
// [11] SCREEN[idx#4] = ' ' -- pbuc1_derefidx_vbuxx=vbuc2
|
|
lda #' '
|
|
sta SCREEN,x
|
|
// SCREEN[idx++] = ' ';
|
|
// [12] idx#14 = ++ idx#4 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// print::@return
|
|
// }
|
|
// [13] return
|
|
rts
|
|
}
|
|
// File Data
|
|
.segment Data
|
|
data1: .byte $12
|
|
.fill 1, 0
|
|
data2: .byte $34
|
|
.fill 1, 0
|
|
|