mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-08 17:54:40 +00:00
378 lines
11 KiB
Plaintext
378 lines
11 KiB
Plaintext
Setting inferred volatile on symbol affected by address-of (byte*~) main::$0 ← & (byte) main::b
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Identified constant variable (byte*) main::SCREEN
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Culled Empty Block (label) main::@2
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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to:@1
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main: scope:[main] from @1
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(byte*) main::SCREEN#0 ← ((byte*)) (number) $400
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(byte) main::b#0 ← (byte) 0
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to:main::@1
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main::@1: scope:[main] from main main::@1
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(byte) main::b#2 ← phi( main/(byte) main::b#0 main::@1/(byte) main::b#1 )
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(byte*~) main::$0 ← & (byte) main::b#2
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(byte*) main::bp#0 ← (byte*~) main::$0
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(number~) main::$1 ← *((byte*) main::bp#0) + (number) 1
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(byte) main::c#0 ← (number~) main::$1
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*((byte*) main::SCREEN#0 + (byte) main::b#2) ← (byte) main::c#0
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(byte) main::b#1 ← (byte) main::b#2 + rangenext(0,$a)
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(bool~) main::$2 ← (byte) main::b#1 != rangelast(0,$a)
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if((bool~) main::$2) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@1
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return
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to:@return
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@1: scope:[] from @begin
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call main
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to:@2
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@2: scope:[] from @1
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to:@end
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@end: scope:[] from @2
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SYMBOL TABLE SSA
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(label) @1
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(label) @2
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(label) @begin
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(label) @end
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(void()) main()
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(byte*~) main::$0
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(number~) main::$1
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(bool~) main::$2
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(label) main::@1
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(label) main::@return
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(byte*) main::SCREEN
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(byte*) main::SCREEN#0
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(byte) main::b
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(byte) main::b#0
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(byte) main::b#1
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(byte) main::b#2
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(byte*) main::bp
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(byte*) main::bp#0
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(byte) main::c
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(byte) main::c#0
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Adding number conversion cast (unumber) 1 in (number~) main::$1 ← *((byte*) main::bp#0) + (number) 1
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Adding number conversion cast (unumber) main::$1 in (number~) main::$1 ← *((byte*) main::bp#0) + (unumber)(number) 1
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast (byte*) main::SCREEN#0 ← (byte*)(number) $400
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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 1
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 1
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inferred type updated to byte in (unumber~) main::$1 ← *((byte*) main::bp#0) + (byte) 1
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Alias (byte*) main::bp#0 = (byte*~) main::$0
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Alias (byte) main::c#0 = (byte~) main::$1
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Successful SSA optimization Pass2AliasElimination
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Simple Condition (bool~) main::$2 [10] if((byte) main::b#1!=rangelast(0,$a)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant right-side identified [3] (byte*) main::bp#0 ← & (byte) main::b#2
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant (const byte*) main::SCREEN#0 = (byte*) 1024
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Constant (const byte*) main::bp#0 = &main::b#2
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [8] main::b#1 ← ++ main::b#2 to ++
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Resolved ranged comparison value [10] if(main::b#1!=rangelast(0,$a)) goto main::@1 to (number) $b
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Adding number conversion cast (unumber) $b in if((byte) main::b#1!=(number) $b) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast $b
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) $b
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Added new block during phi lifting main::@3(between main::@1 and main::@1)
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @end
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CALL GRAPH
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Calls in [] to main:2
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Created 1 initial phi equivalence classes
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Coalesced [6] main::b#3 ← main::b#0
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Coalesced [13] main::b#4 ← main::b#1
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Coalesced down to 1 phi equivalence classes
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Culled Empty Block (label) @2
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Culled Empty Block (label) main::@3
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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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main: scope:[main] from @1
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[4] (byte) main::b#0 ← (byte) 0
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to:main::@1
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main::@1: scope:[main] from main main::@1
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[5] (byte) main::b#2 ← phi( main/(byte) main::b#0 main::@1/(byte) main::b#1 )
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[6] (byte) main::c#0 ← *((const byte*) main::bp#0) + (byte) 1
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[7] *((const byte*) main::SCREEN#0 + (byte) main::b#2) ← (byte) main::c#0
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[8] (byte) main::b#1 ← ++ (byte) main::b#2
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[9] if((byte) main::b#1!=(byte) $b) 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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[10] 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::SCREEN
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(byte) main::b
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(byte) main::b#0 4.0
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(byte) main::b#1 16.5
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(byte) main::b#2 11.666666666666666
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(byte*) main::bp
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(byte) main::c
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(byte) main::c#0 22.0
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Initial phi equivalence classes
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[ main::b#2 main::b#0 main::b#1 ]
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Added variable main::c#0 to zero page equivalence class [ main::c#0 ]
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Complete equivalence classes
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[ main::b#2 main::b#0 main::b#1 ]
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[ main::c#0 ]
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Allocated zp ZP_BYTE:2 [ main::b#2 main::b#0 main::b#1 ]
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Allocated zp ZP_BYTE:3 [ main::c#0 ]
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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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// Test address-of - use the pointer to get the value
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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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// @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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.label SCREEN = $400
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.label bp = b
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.label b = 2
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.label c = 3
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// [4] (byte) main::b#0 ← (byte) 0 -- vbuz1=vbuc1
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lda #0
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sta.z b
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// [5] phi from main main::@1 to main::@1 [phi:main/main::@1->main::@1]
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b1_from_main:
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b1_from_b1:
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// [5] phi (byte) main::b#2 = (byte) main::b#0 [phi:main/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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// [6] (byte) main::c#0 ← *((const byte*) main::bp#0) + (byte) 1 -- vbuz1=_deref_pbuc1_plus_1
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ldy.z bp
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iny
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sty.z c
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// [7] *((const byte*) main::SCREEN#0 + (byte) main::b#2) ← (byte) main::c#0 -- pbuc1_derefidx_vbuz1=vbuz2
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lda.z c
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ldy.z b
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sta SCREEN,y
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// [8] (byte) main::b#1 ← ++ (byte) main::b#2 -- vbuz1=_inc_vbuz1
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inc.z b
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// [9] if((byte) main::b#1!=(byte) $b) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #$b
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cmp.z b
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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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// [10] return
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rts
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}
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// File Data
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [4] (byte) main::b#0 ← (byte) 0 [ main::b#0 ] ( main:2 [ main::b#0 ] ) always clobbers reg byte a
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Statement [7] *((const byte*) main::SCREEN#0 + (byte) main::b#2) ← (byte) main::c#0 [ main::b#2 ] ( main:2 [ main::b#2 ] ) always clobbers reg byte y
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Statement [9] if((byte) main::b#1!=(byte) $b) goto main::@1 [ main::b#1 ] ( main:2 [ main::b#1 ] ) always clobbers reg byte a
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Potential registers zp ZP_BYTE:2 [ main::b#2 main::b#0 main::b#1 ] : zp ZP_BYTE:2 ,
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Potential registers zp ZP_BYTE:3 [ main::c#0 ] : zp ZP_BYTE:3 , reg byte a , reg byte x , reg byte y ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [main] 32.17: zp ZP_BYTE:2 [ main::b#2 main::b#0 main::b#1 ] 22: zp ZP_BYTE:3 [ main::c#0 ]
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Uplift Scope []
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Uplifting [main] best 358 combination zp ZP_BYTE:2 [ main::b#2 main::b#0 main::b#1 ] reg byte a [ main::c#0 ]
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Uplifting [] best 358 combination
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Attempting to uplift remaining variables inzp ZP_BYTE:2 [ main::b#2 main::b#0 main::b#1 ]
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Uplifting [main] best 358 combination zp ZP_BYTE:2 [ main::b#2 main::b#0 main::b#1 ]
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Test address-of - use the pointer to get the value
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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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// @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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.label SCREEN = $400
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.label bp = b
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.label b = 2
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// [4] (byte) main::b#0 ← (byte) 0 -- vbuz1=vbuc1
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lda #0
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sta.z b
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// [5] phi from main main::@1 to main::@1 [phi:main/main::@1->main::@1]
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b1_from_main:
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b1_from_b1:
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// [5] phi (byte) main::b#2 = (byte) main::b#0 [phi:main/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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// [6] (byte) main::c#0 ← *((const byte*) main::bp#0) + (byte) 1 -- vbuaa=_deref_pbuc1_plus_1
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lda.z bp
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clc
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adc #1
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// [7] *((const byte*) main::SCREEN#0 + (byte) main::b#2) ← (byte) main::c#0 -- pbuc1_derefidx_vbuz1=vbuaa
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ldy.z b
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sta SCREEN,y
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// [8] (byte) main::b#1 ← ++ (byte) main::b#2 -- vbuz1=_inc_vbuz1
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inc.z b
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// [9] if((byte) main::b#1!=(byte) $b) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #$b
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cmp.z b
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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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// [10] return
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rts
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}
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// File Data
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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 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_bbegin:
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Removing instruction b1:
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Removing instruction bend_from_b1:
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Removing instruction b1_from_main:
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Removing instruction b1_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 bbegin:
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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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(void()) main()
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(label) main::@1
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(label) main::@return
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(byte*) main::SCREEN
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(const byte*) main::SCREEN#0 SCREEN = (byte*) 1024
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(byte) main::b
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(byte) main::b#0 b zp ZP_BYTE:2 4.0
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(byte) main::b#1 b zp ZP_BYTE:2 16.5
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(byte) main::b#2 b zp ZP_BYTE:2 11.666666666666666
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(byte*) main::bp
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(const byte*) main::bp#0 bp = &(byte) main::b#2
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(byte) main::c
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(byte) main::c#0 reg byte a 22.0
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zp ZP_BYTE:2 [ main::b#2 main::b#0 main::b#1 ]
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reg byte a [ main::c#0 ]
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FINAL ASSEMBLER
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Score: 286
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// File Comments
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// Test address-of - use the pointer to get the value
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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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// @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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.label SCREEN = $400
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.label bp = b
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.label b = 2
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// for( byte b: 0..10)
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// [4] (byte) main::b#0 ← (byte) 0 -- vbuz1=vbuc1
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lda #0
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sta.z b
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// [5] phi from main main::@1 to main::@1 [phi:main/main::@1->main::@1]
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// [5] phi (byte) main::b#2 = (byte) main::b#0 [phi:main/main::@1->main::@1#0] -- register_copy
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// main::@1
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b1:
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// c = *bp +1
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// [6] (byte) main::c#0 ← *((const byte*) main::bp#0) + (byte) 1 -- vbuaa=_deref_pbuc1_plus_1
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lda.z bp
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clc
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adc #1
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// SCREEN[b] = c
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// [7] *((const byte*) main::SCREEN#0 + (byte) main::b#2) ← (byte) main::c#0 -- pbuc1_derefidx_vbuz1=vbuaa
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ldy.z b
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sta SCREEN,y
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// for( byte b: 0..10)
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// [8] (byte) main::b#1 ← ++ (byte) main::b#2 -- vbuz1=_inc_vbuz1
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inc.z b
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// [9] if((byte) main::b#1!=(byte) $b) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #$b
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cmp.z b
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bne b1
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// main::@return
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// }
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// [10] return
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rts
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}
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// File Data
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