mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-06-29 09:29:31 +00:00
265 lines
8.2 KiB
Plaintext
265 lines
8.2 KiB
Plaintext
Setting inferred volatile on symbol affected by address-of idx_p = &idx
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Inlined call call __init
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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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main::i#0 = 0
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to:main::@1
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main::@1: scope:[main] from main main::@1
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main::i#2 = phi( main/main::i#0, main::@1/main::i#1 )
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SCREEN[main::i#2] = *idx_p
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*idx_p = *idx_p + main::i#2
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main::i#1 = main::i#2 + rangenext(0,5)
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main::$0 = main::i#1 != rangelast(0,5)
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if(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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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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to:__start::@1
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__start::@1: scope:[__start] from __start::__init1
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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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to:__start::@return
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__start::@return: scope:[__start] from __start::@2
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return
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to:@return
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SYMBOL TABLE SSA
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__constant char * const SCREEN = (char *)$400
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void __start()
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__loadstore volatile char idx = 0
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__constant char *idx_p = &idx
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void main()
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bool main::$0
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char main::i
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char main::i#0
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char main::i#1
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char main::i#2
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Simplifying constant pointer cast (char *) 1024
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Successful SSA optimization PassNCastSimplification
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Simple Condition main::$0 [6] if(main::i#1!=rangelast(0,5)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant main::i#0 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [4] main::i#1 = ++ main::i#2 to ++
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Resolved ranged comparison value [6] if(main::i#1!=rangelast(0,5)) goto main::@1 to 6
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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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Adding number conversion cast (unumber) 6 in [4] if(main::i#1!=6) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast 6
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (char) 6
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inlining constant with var siblings main::i#0
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Constant inlined main::i#0 = 0
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Successful SSA optimization Pass2ConstantInlining
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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 main
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CALL GRAPH
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Created 1 initial phi equivalence classes
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Coalesced [7] main::i#3 = main::i#1
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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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Adding NOP phi() at start of main
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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] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@1
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[1] main::i#2 = phi( main/0, main::@1/main::i#1 )
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[2] SCREEN[main::i#2] = *idx_p
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[3] *idx_p = *idx_p + main::i#2
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[4] main::i#1 = ++ main::i#2
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[5] if(main::i#1!=6) 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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[6] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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__loadstore volatile char idx = 0
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void main()
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char main::i
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char main::i#1 // 16.5
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char main::i#2 // 14.666666666666666
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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Added variable idx to live range equivalence class [ idx ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ idx ]
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Allocated zp[1]:2 [ main::i#2 main::i#1 ]
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Allocated mem[1] [ idx ]
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [2] SCREEN[main::i#2] = *idx_p [ main::i#2 ] ( [ main::i#2 ] { } ) 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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Statement [3] *idx_p = *idx_p + main::i#2 [ main::i#2 ] ( [ main::i#2 ] { } ) always clobbers reg byte a
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Statement [2] SCREEN[main::i#2] = *idx_p [ main::i#2 ] ( [ main::i#2 ] { } ) always clobbers reg byte a
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Statement [3] *idx_p = *idx_p + main::i#2 [ main::i#2 ] ( [ main::i#2 ] { } ) always clobbers reg byte a
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Potential registers zp[1]:2 [ main::i#2 main::i#1 ] : zp[1]:2 , reg byte x , reg byte y ,
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Potential registers mem[1] [ idx ] : mem[1] ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [main] 31.17: zp[1]:2 [ main::i#2 main::i#1 ]
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Uplift Scope [] 0: mem[1] [ idx ]
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Uplifting [main] best 391 combination reg byte x [ main::i#2 main::i#1 ]
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Uplifting [] best 391 combination mem[1] [ idx ]
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Attempting to uplift remaining variables inmem[1] [ idx ]
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Uplifting [] best 391 combination mem[1] [ idx ]
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Test declaring a variable as "memory", meaning it will be stored in memory and accessed through an implicit pointer (using load/store)
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// Test a pointer to a memory variable
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="declared-memory-var-1.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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.label SCREEN = $400
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.label idx_p = idx
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.segment Code
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// main
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main: {
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// [1] phi from main to main::@1 [phi:main->main::@1]
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__b1_from_main:
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// [1] phi main::i#2 = 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
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ldx #0
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jmp __b1
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// [1] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
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__b1_from___b1:
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// [1] phi main::i#2 = main::i#1 [phi:main::@1->main::@1#0] -- register_copy
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jmp __b1
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// main::@1
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__b1:
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// [2] SCREEN[main::i#2] = *idx_p -- pbuc1_derefidx_vbuxx=_deref_pbuc2
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lda idx_p
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sta SCREEN,x
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// [3] *idx_p = *idx_p + main::i#2 -- _deref_pbuc1=_deref_pbuc1_plus_vbuxx
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txa
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clc
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adc idx_p
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sta idx_p
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// [4] main::i#1 = ++ main::i#2 -- vbuxx=_inc_vbuxx
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inx
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// [5] if(main::i#1!=6) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
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cpx #6
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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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// [6] 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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idx: .byte 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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Succesful ASM optimization Pass5NextJumpElimination
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Replacing label __b1_from___b1 with __b1
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Removing instruction __b1_from___b1:
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Succesful ASM optimization Pass5RedundantLabelElimination
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Removing instruction __b1_from_main:
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Removing instruction __breturn:
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Succesful ASM optimization Pass5UnusedLabelElimination
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Removing instruction jmp __b1
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Succesful ASM optimization Pass5NextJumpElimination
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FINAL SYMBOL TABLE
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__constant char * const SCREEN = (char *) 1024
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__loadstore volatile char idx = 0 // mem[1]
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__constant char *idx_p = &idx
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void main()
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char main::i
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char main::i#1 // reg byte x 16.5
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char main::i#2 // reg byte x 14.666666666666666
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reg byte x [ main::i#2 main::i#1 ]
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mem[1] [ idx ]
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FINAL ASSEMBLER
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Score: 301
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// File Comments
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// Test declaring a variable as "memory", meaning it will be stored in memory and accessed through an implicit pointer (using load/store)
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// Test a pointer to a memory variable
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="declared-memory-var-1.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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.label SCREEN = $400
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.label idx_p = idx
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.segment Code
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// main
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main: {
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// [1] phi from main to main::@1 [phi:main->main::@1]
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// [1] phi main::i#2 = 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
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ldx #0
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// [1] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
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// [1] phi main::i#2 = main::i#1 [phi:main::@1->main::@1#0] -- register_copy
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// main::@1
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__b1:
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// SCREEN[i] = *idx_p
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// [2] SCREEN[main::i#2] = *idx_p -- pbuc1_derefidx_vbuxx=_deref_pbuc2
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lda idx_p
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sta SCREEN,x
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// *idx_p +=i
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// [3] *idx_p = *idx_p + main::i#2 -- _deref_pbuc1=_deref_pbuc1_plus_vbuxx
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txa
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clc
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adc idx_p
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sta idx_p
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// for( char i: 0..5 )
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// [4] main::i#1 = ++ main::i#2 -- vbuxx=_inc_vbuxx
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inx
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// [5] if(main::i#1!=6) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
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cpx #6
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bne __b1
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// main::@return
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// }
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// [6] 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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idx: .byte 0
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