mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-11-20 02:32:36 +00:00
520 lines
18 KiB
Plaintext
520 lines
18 KiB
Plaintext
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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(byte) cpm ← (byte) 'A'pm
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(byte[]) spm ← (const string) $0
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(byte) ccpu ← (byte) 'A'pu
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(byte[]) spu ← (const string) $1
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(byte) csm ← (byte) 'A'
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(byte[]) ssm ← (const string) $2
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(byte) csu ← (byte) 'A'su
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(byte[]) ssu ← (const string) $3
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(byte*) screen ← ((byte*)) (number) $400
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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::idx#0 ← (number) 0
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*((byte*) screen + (byte) main::idx#0) ← (byte) cpm
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(byte) main::idx#1 ← ++ (byte) main::idx#0
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*((byte*) screen + (byte) main::idx#1) ← (byte) ccpu
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(byte) main::idx#2 ← ++ (byte) main::idx#1
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*((byte*) screen + (byte) main::idx#2) ← (byte) csm
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(byte) main::idx#3 ← ++ (byte) main::idx#2
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*((byte*) screen + (byte) main::idx#3) ← (byte) csu
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(byte) main::idx#4 ← ++ (byte) main::idx#3
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(byte) main::idx#5 ← (number) $28
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*((byte*) screen + (byte) main::idx#5) ← *((byte[]) spm + (number) 0)
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(byte) main::idx#6 ← ++ (byte) main::idx#5
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*((byte*) screen + (byte) main::idx#6) ← *((byte[]) spu + (number) 0)
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(byte) main::idx#7 ← ++ (byte) main::idx#6
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*((byte*) screen + (byte) main::idx#7) ← *((byte[]) ssm + (number) 0)
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(byte) main::idx#8 ← ++ (byte) main::idx#7
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*((byte*) screen + (byte) main::idx#8) ← *((byte[]) ssu + (number) 0)
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(byte) main::idx#9 ← ++ (byte) main::idx#8
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to:main::@return
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main::@return: scope:[main] from main
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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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(const string) $0 = (string) "A"pm
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(const string) $1 = (string) "A"pu
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(const string) $2 = (string) "A"
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(const string) $3 = (string) "A"su
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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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(byte) ccpu
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(byte) cpm
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(byte) csm
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(byte) csu
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(void()) main()
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(label) main::@return
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(byte) main::idx
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(byte) main::idx#0
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(byte) main::idx#1
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(byte) main::idx#2
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(byte) main::idx#3
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(byte) main::idx#4
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(byte) main::idx#5
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(byte) main::idx#6
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(byte) main::idx#7
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(byte) main::idx#8
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(byte) main::idx#9
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(byte*) screen
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(byte[]) spm
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(byte[]) spu
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(byte[]) ssm
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(byte[]) ssu
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Adding number conversion cast (unumber) 0 in (byte) main::idx#0 ← (number) 0
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Adding number conversion cast (unumber) $28 in (byte) main::idx#5 ← (number) $28
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Adding number conversion cast (unumber) 0 in *((byte*) screen + (byte) main::idx#5) ← *((byte[]) spm + (number) 0)
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Adding number conversion cast (unumber) 0 in *((byte*) screen + (byte) main::idx#6) ← *((byte[]) spu + (number) 0)
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Adding number conversion cast (unumber) 0 in *((byte*) screen + (byte) main::idx#7) ← *((byte[]) ssm + (number) 0)
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Adding number conversion cast (unumber) 0 in *((byte*) screen + (byte) main::idx#8) ← *((byte[]) ssu + (number) 0)
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast (byte*) screen ← (byte*)(number) $400
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Inlining cast (byte) main::idx#0 ← (unumber)(number) 0
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Inlining cast (byte) main::idx#5 ← (unumber)(number) $28
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Successful SSA optimization Pass2InlineCast
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Simplifying constant pointer cast (byte*) 1024
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Simplifying constant integer cast 0
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Simplifying constant integer cast $28
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Simplifying constant integer cast 0
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Simplifying constant integer cast 0
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Simplifying constant integer cast 0
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Simplifying constant integer cast 0
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) $28
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 0
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Constant (const byte) cpm = 'A'pm
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Constant (const byte[]) spm = $0
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Constant (const byte) ccpu = 'A'pu
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Constant (const byte[]) spu = $1
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Constant (const byte) csm = 'A'
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Constant (const byte[]) ssm = $2
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Constant (const byte) csu = 'A'su
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Constant (const byte[]) ssu = $3
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Constant (const byte*) screen = (byte*) 1024
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Constant (const byte) main::idx#0 = 0
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Constant (const byte) main::idx#5 = $28
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Successful SSA optimization Pass2ConstantIdentification
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Simplifying expression containing zero screen in [10] *((const byte*) screen + (const byte) main::idx#0) ← (const byte) cpm
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Simplifying expression containing zero spm in [19] *((const byte*) screen + (const byte) main::idx#5) ← *((const byte[]) spm + (byte) 0)
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Simplifying expression containing zero spu in [21] *((const byte*) screen + (byte) main::idx#6) ← *((const byte[]) spu + (byte) 0)
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Simplifying expression containing zero ssm in [23] *((const byte*) screen + (byte) main::idx#7) ← *((const byte[]) ssm + (byte) 0)
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Simplifying expression containing zero ssu in [25] *((const byte*) screen + (byte) main::idx#8) ← *((const byte[]) ssu + (byte) 0)
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Successful SSA optimization PassNSimplifyExpressionWithZero
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Eliminating unused variable (byte) main::idx#4 and assignment [7] (byte) main::idx#4 ← ++ (byte) main::idx#3
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Eliminating unused variable (byte) main::idx#9 and assignment [15] (byte) main::idx#9 ← ++ (byte) main::idx#8
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Successful SSA optimization PassNEliminateUnusedVars
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Constant right-side identified [1] (byte) main::idx#1 ← ++ (const byte) main::idx#0
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Constant right-side identified [8] (byte) main::idx#6 ← ++ (const byte) main::idx#5
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant (const byte) main::idx#1 = ++main::idx#0
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Constant (const byte) main::idx#6 = ++main::idx#5
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Successful SSA optimization Pass2ConstantIdentification
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Constant right-side identified [2] (byte) main::idx#2 ← ++ (const byte) main::idx#1
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Constant right-side identified [8] (byte) main::idx#7 ← ++ (const byte) main::idx#6
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant (const byte) main::idx#2 = ++main::idx#1
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Constant (const byte) main::idx#7 = ++main::idx#6
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Successful SSA optimization Pass2ConstantIdentification
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Constant right-side identified [3] (byte) main::idx#3 ← ++ (const byte) main::idx#2
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Constant right-side identified [8] (byte) main::idx#8 ← ++ (const byte) main::idx#7
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant (const byte) main::idx#3 = ++main::idx#2
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Constant (const byte) main::idx#8 = ++main::idx#7
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Successful SSA optimization Pass2ConstantIdentification
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Inlining constant with different constant siblings (const byte) main::idx#0
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Inlining constant with different constant siblings (const byte) main::idx#5
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Inlining constant with different constant siblings (const byte) main::idx#1
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Inlining constant with different constant siblings (const byte) main::idx#6
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Inlining constant with different constant siblings (const byte) main::idx#2
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Inlining constant with different constant siblings (const byte) main::idx#7
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Inlining constant with different constant siblings (const byte) main::idx#3
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Inlining constant with different constant siblings (const byte) main::idx#8
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Constant inlined main::idx#0 = (byte) 0
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Constant inlined main::idx#1 = ++(byte) 0
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Constant inlined main::idx#2 = ++++(byte) 0
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Constant inlined main::idx#3 = ++++++(byte) 0
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Constant inlined main::idx#5 = (byte) $28
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Constant inlined main::idx#6 = ++(byte) $28
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Constant inlined main::idx#7 = ++++(byte) $28
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Constant inlined main::idx#8 = ++++++(byte) $28
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Constant inlined $0 = (const byte[]) spm
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Constant inlined $1 = (const byte[]) spu
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Constant inlined $2 = (const byte[]) ssm
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Constant inlined $3 = (const byte[]) ssu
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Successful SSA optimization Pass2ConstantInlining
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Consolidated array index constant in *(screen+++0)
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Consolidated array index constant in *(screen+++++0)
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Consolidated array index constant in *(screen+++++++0)
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Consolidated array index constant in *(screen+$28)
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Consolidated array index constant in *(screen+++$28)
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Consolidated array index constant in *(screen+++++$28)
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Consolidated array index constant in *(screen+++++++$28)
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Successful SSA optimization Pass2ConstantAdditionElimination
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Simplifying constant integer increment ++0
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Simplifying constant integer increment ++0
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Simplifying constant integer increment ++1
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Simplifying constant integer increment ++$28
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Simplifying constant integer increment ++$28
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Simplifying constant integer increment ++$29
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Successful SSA optimization Pass2ConstantSimplification
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Simplifying constant integer increment ++1
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Simplifying constant integer increment ++2
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Simplifying constant integer increment ++$29
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Simplifying constant integer increment ++$2a
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Successful SSA optimization Pass2ConstantSimplification
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @end
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CALL GRAPH
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Calls in [] to main:2
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Created 0 initial phi equivalence classes
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Coalesced down to 0 phi equivalence classes
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Culled Empty Block (label) @2
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @end
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FINAL CONTROL FLOW GRAPH
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@begin: scope:[] from
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[0] phi()
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to:@1
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@1: scope:[] from @begin
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[1] phi()
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[2] call main
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to:@end
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@end: scope:[] from @1
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[3] phi()
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(void()) main()
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main: scope:[main] from @1
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[4] *((const byte*) screen) ← (const byte) cpm
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[5] *((const byte*) screen+(byte) 1) ← (const byte) ccpu
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[6] *((const byte*) screen+(byte) 2) ← (const byte) csm
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[7] *((const byte*) screen+(byte) 3) ← (const byte) csu
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[8] *((const byte*) screen+(byte) $28) ← *((const byte[]) spm)
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[9] *((const byte*) screen+(byte) $29) ← *((const byte[]) spu)
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[10] *((const byte*) screen+(byte) $2a) ← *((const byte[]) ssm)
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[11] *((const byte*) screen+(byte) $2b) ← *((const byte[]) ssu)
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to:main::@return
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main::@return: scope:[main] from main
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[12] 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::idx
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Initial phi equivalence classes
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Complete equivalence classes
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INITIAL ASM
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Target platform is c64basic / MOS6502X
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// File Comments
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// Tests encoding of literal chars
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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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.encoding "petscii_mixed"
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.const cpm = 'A'
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.encoding "petscii_upper"
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.const ccpu = 'A'
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.encoding "screencode_mixed"
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.const csm = 'A'
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.encoding "screencode_upper"
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.const csu = 'A'
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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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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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// [4] *((const byte*) screen) ← (const byte) cpm -- _deref_pbuc1=vbuc2
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lda #cpm
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sta screen
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// [5] *((const byte*) screen+(byte) 1) ← (const byte) ccpu -- _deref_pbuc1=vbuc2
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lda #ccpu
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sta screen+1
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// [6] *((const byte*) screen+(byte) 2) ← (const byte) csm -- _deref_pbuc1=vbuc2
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lda #csm
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sta screen+2
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// [7] *((const byte*) screen+(byte) 3) ← (const byte) csu -- _deref_pbuc1=vbuc2
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lda #csu
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sta screen+3
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// [8] *((const byte*) screen+(byte) $28) ← *((const byte[]) spm) -- _deref_pbuc1=_deref_pbuc2
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lda spm
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sta screen+$28
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// [9] *((const byte*) screen+(byte) $29) ← *((const byte[]) spu) -- _deref_pbuc1=_deref_pbuc2
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lda spu
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sta screen+$29
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// [10] *((const byte*) screen+(byte) $2a) ← *((const byte[]) ssm) -- _deref_pbuc1=_deref_pbuc2
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lda ssm
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sta screen+$2a
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// [11] *((const byte*) screen+(byte) $2b) ← *((const byte[]) ssu) -- _deref_pbuc1=_deref_pbuc2
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lda ssu
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sta screen+$2b
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jmp __breturn
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// main::@return
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__breturn:
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// [12] return
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rts
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}
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// File Data
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.encoding "petscii_mixed"
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spm: .text "A"
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.byte 0
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.encoding "petscii_upper"
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spu: .text "A"
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.byte 0
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.encoding "screencode_mixed"
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ssm: .text "A"
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.byte 0
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.encoding "screencode_upper"
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ssu: .text "A"
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.byte 0
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [4] *((const byte*) screen) ← (const byte) cpm [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [5] *((const byte*) screen+(byte) 1) ← (const byte) ccpu [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [6] *((const byte*) screen+(byte) 2) ← (const byte) csm [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [7] *((const byte*) screen+(byte) 3) ← (const byte) csu [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [8] *((const byte*) screen+(byte) $28) ← *((const byte[]) spm) [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [9] *((const byte*) screen+(byte) $29) ← *((const byte[]) spu) [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [10] *((const byte*) screen+(byte) $2a) ← *((const byte[]) ssm) [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [11] *((const byte*) screen+(byte) $2b) ← *((const byte[]) ssu) [ ] ( main:2 [ ] ) always clobbers reg byte a
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REGISTER UPLIFT SCOPES
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Uplift Scope [main]
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Uplift Scope []
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Uplifting [main] best 77 combination
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Uplifting [] best 77 combination
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Tests encoding of literal chars
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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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.encoding "petscii_mixed"
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.const cpm = 'A'
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.encoding "petscii_upper"
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.const ccpu = 'A'
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.encoding "screencode_mixed"
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.const csm = 'A'
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.encoding "screencode_upper"
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.const csu = 'A'
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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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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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// [4] *((const byte*) screen) ← (const byte) cpm -- _deref_pbuc1=vbuc2
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lda #cpm
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sta screen
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// [5] *((const byte*) screen+(byte) 1) ← (const byte) ccpu -- _deref_pbuc1=vbuc2
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lda #ccpu
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sta screen+1
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// [6] *((const byte*) screen+(byte) 2) ← (const byte) csm -- _deref_pbuc1=vbuc2
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lda #csm
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sta screen+2
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// [7] *((const byte*) screen+(byte) 3) ← (const byte) csu -- _deref_pbuc1=vbuc2
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lda #csu
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sta screen+3
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// [8] *((const byte*) screen+(byte) $28) ← *((const byte[]) spm) -- _deref_pbuc1=_deref_pbuc2
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lda spm
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sta screen+$28
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// [9] *((const byte*) screen+(byte) $29) ← *((const byte[]) spu) -- _deref_pbuc1=_deref_pbuc2
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lda spu
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sta screen+$29
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// [10] *((const byte*) screen+(byte) $2a) ← *((const byte[]) ssm) -- _deref_pbuc1=_deref_pbuc2
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lda ssm
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sta screen+$2a
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// [11] *((const byte*) screen+(byte) $2b) ← *((const byte[]) ssu) -- _deref_pbuc1=_deref_pbuc2
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lda ssu
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sta screen+$2b
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jmp __breturn
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// main::@return
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__breturn:
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// [12] return
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rts
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}
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// File Data
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.encoding "petscii_mixed"
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spm: .text "A"
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.byte 0
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.encoding "petscii_upper"
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spu: .text "A"
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.byte 0
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.encoding "screencode_mixed"
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ssm: .text "A"
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.byte 0
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.encoding "screencode_upper"
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ssu: .text "A"
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.byte 0
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ASSEMBLER OPTIMIZATIONS
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Removing instruction jmp __b1
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Removing instruction jmp __bend
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Removing instruction jmp __breturn
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Succesful ASM optimization Pass5NextJumpElimination
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Replacing label __bbegin with __b1
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Removing instruction __bbegin:
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Removing instruction __b1_from___bbegin:
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Removing instruction __bend_from___b1:
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Succesful ASM optimization Pass5RedundantLabelElimination
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Removing instruction __bend:
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Removing instruction __breturn:
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Succesful ASM optimization Pass5UnusedLabelElimination
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Updating BasicUpstart to call main directly
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Removing instruction jsr main
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Succesful ASM optimization Pass5SkipBegin
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Removing instruction __b1:
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Succesful ASM optimization Pass5UnusedLabelElimination
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FINAL SYMBOL TABLE
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(label) @1
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(label) @begin
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(label) @end
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(const byte) ccpu ccpu = (byte) 'A'pu
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(const byte) cpm cpm = (byte) 'A'pm
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(const byte) csm csm = (byte) 'A'
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(const byte) csu csu = (byte) 'A'su
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(void()) main()
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(label) main::@return
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(byte) main::idx
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(const byte*) screen screen = (byte*) 1024
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(const byte[]) spm spm = (string) "A"pm
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(const byte[]) spu spu = (string) "A"pu
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(const byte[]) ssm ssm = (string) "A"
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(const byte[]) ssu ssu = (string) "A"su
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FINAL ASSEMBLER
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Score: 62
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// File Comments
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// Tests encoding of literal chars
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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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.encoding "petscii_mixed"
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.const cpm = 'A'
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.encoding "petscii_upper"
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.const ccpu = 'A'
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.encoding "screencode_mixed"
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.const csm = 'A'
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.encoding "screencode_upper"
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.const csu = 'A'
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.label screen = $400
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// @begin
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// [1] phi from @begin to @1 [phi:@begin->@1]
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// @1
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// [2] call main
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// [3] phi from @1 to @end [phi:@1->@end]
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// @end
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// main
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main: {
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// screen[idx++] = cpm
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// [4] *((const byte*) screen) ← (const byte) cpm -- _deref_pbuc1=vbuc2
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lda #cpm
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sta screen
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// screen[idx++] = ccpu
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// [5] *((const byte*) screen+(byte) 1) ← (const byte) ccpu -- _deref_pbuc1=vbuc2
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lda #ccpu
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sta screen+1
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// screen[idx++] = csm
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// [6] *((const byte*) screen+(byte) 2) ← (const byte) csm -- _deref_pbuc1=vbuc2
|
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lda #csm
|
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sta screen+2
|
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// screen[idx++] = csu
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// [7] *((const byte*) screen+(byte) 3) ← (const byte) csu -- _deref_pbuc1=vbuc2
|
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lda #csu
|
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sta screen+3
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// screen[idx++] = spm[0]
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// [8] *((const byte*) screen+(byte) $28) ← *((const byte[]) spm) -- _deref_pbuc1=_deref_pbuc2
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lda spm
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sta screen+$28
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// screen[idx++] = spu[0]
|
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// [9] *((const byte*) screen+(byte) $29) ← *((const byte[]) spu) -- _deref_pbuc1=_deref_pbuc2
|
|
lda spu
|
|
sta screen+$29
|
|
// screen[idx++] = ssm[0]
|
|
// [10] *((const byte*) screen+(byte) $2a) ← *((const byte[]) ssm) -- _deref_pbuc1=_deref_pbuc2
|
|
lda ssm
|
|
sta screen+$2a
|
|
// screen[idx++] = ssu[0]
|
|
// [11] *((const byte*) screen+(byte) $2b) ← *((const byte[]) ssu) -- _deref_pbuc1=_deref_pbuc2
|
|
lda ssu
|
|
sta screen+$2b
|
|
// main::@return
|
|
// }
|
|
// [12] return
|
|
rts
|
|
}
|
|
// File Data
|
|
.encoding "petscii_mixed"
|
|
spm: .text "A"
|
|
.byte 0
|
|
.encoding "petscii_upper"
|
|
spu: .text "A"
|
|
.byte 0
|
|
.encoding "screencode_mixed"
|
|
ssm: .text "A"
|
|
.byte 0
|
|
.encoding "screencode_upper"
|
|
ssu: .text "A"
|
|
.byte 0
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