mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-10-02 22:56:11 +00:00
301 lines
7.8 KiB
Plaintext
301 lines
7.8 KiB
Plaintext
Setting inferred volatile on symbol affected by address-of (word*~) main::$0 ← & (word) main::w
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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to:@1
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(void()) main()
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main: scope:[main] from @1
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(byte*) main::SCREEN ← ((byte*)) (number) $400
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(word) main::w#0 ← (number) $4d2
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(word*~) main::$0 ← & (word) main::w#0
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(word*) main::wp#0 ← (word*~) main::$0
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(void*) main::vp#0 ← ((void*)) (word*) main::wp#0
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(byte*) main::bp#0 ← ((byte*)) (void*) main::vp#0
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*((byte*) main::SCREEN) ← *((byte*) main::bp#0)
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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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(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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(word*~) main::$0
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(label) main::@return
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(byte*) main::SCREEN
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(byte*) main::bp
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(byte*) main::bp#0
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(void*) main::vp
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(void*) main::vp#0
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(word) main::w
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(word) main::w#0
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(word*) main::wp
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(word*) main::wp#0
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Adding number conversion cast (unumber) $4d2 in (word) main::w#0 ← (number) $4d2
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast (byte*) main::SCREEN ← (byte*)(number) $400
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Inlining cast (word) main::w#0 ← (unumber)(number) $4d2
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Inlining cast (void*) main::vp#0 ← (void*)(word*) main::wp#0
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Inlining cast (byte*) main::bp#0 ← (byte*)(void*) main::vp#0
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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 $4d2
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (word) $4d2
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Alias (word*) main::wp#0 = (word*~) main::$0
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Successful SSA optimization Pass2AliasElimination
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Constant right-side identified [2] (word*) main::wp#0 ← & (word) main::w#0
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant (const byte*) main::SCREEN = (byte*) 1024
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Constant (const word*) main::wp#0 = &main::w#0
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Successful SSA optimization Pass2ConstantIdentification
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Constant value identified (void*)main::wp#0 in [4] (void*) main::vp#0 ← (void*)(const word*) main::wp#0
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Successful SSA optimization Pass2ConstantValues
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Constant (const void*) main::vp#0 = (void*)main::wp#0
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Successful SSA optimization Pass2ConstantIdentification
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Constant value identified (byte*)main::vp#0 in [2] (byte*) main::bp#0 ← (byte*)(const void*) main::vp#0
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Successful SSA optimization Pass2ConstantValues
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Constant (const byte*) main::bp#0 = (byte*)main::vp#0
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Successful SSA optimization Pass2ConstantIdentification
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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] (word) main::w#0 ← (word) $4d2
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[5] *((const byte*) main::SCREEN) ← *((const byte*) main::bp#0)
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to:main::@return
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main::@return: scope:[main] from main
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[6] 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::bp
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(void*) main::vp
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(word) main::w
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(word) main::w#0 20.0
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(word*) main::wp
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Initial phi equivalence classes
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Complete equivalence classes
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[ main::w#0 ]
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Allocated zp ZP_WORD:2 [ main::w#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 simple void pointer (conversion without casting)
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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 wp = w
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.label vp = wp
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.label bp = vp
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.label w = 2
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// [4] (word) main::w#0 ← (word) $4d2 -- vwuz1=vwuc1
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lda #<$4d2
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sta.z w
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lda #>$4d2
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sta.z w+1
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// [5] *((const byte*) main::SCREEN) ← *((const byte*) main::bp#0) -- _deref_pbuc1=_deref_pbuc2
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lda.z bp
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sta SCREEN
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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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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [4] (word) main::w#0 ← (word) $4d2 [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [5] *((const byte*) main::SCREEN) ← *((const byte*) main::bp#0) [ ] ( main:2 [ ] ) always clobbers reg byte a
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Potential registers zp ZP_WORD:2 [ main::w#0 ] : zp ZP_WORD:2 ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [main] 20: zp ZP_WORD:2 [ main::w#0 ]
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Uplift Scope []
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Uplifting [main] best 38 combination zp ZP_WORD:2 [ main::w#0 ]
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Uplifting [] best 38 combination
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Test simple void pointer (conversion without casting)
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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 wp = w
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.label vp = wp
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.label bp = vp
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.label w = 2
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// [4] (word) main::w#0 ← (word) $4d2 -- vwuz1=vwuc1
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lda #<$4d2
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sta.z w
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lda #>$4d2
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sta.z w+1
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// [5] *((const byte*) main::SCREEN) ← *((const byte*) main::bp#0) -- _deref_pbuc1=_deref_pbuc2
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lda.z bp
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sta SCREEN
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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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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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(void()) main()
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(label) main::@return
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(const byte*) main::SCREEN SCREEN = (byte*) 1024
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(byte*) main::bp
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(const byte*) main::bp#0 bp = (byte*)(const void*) main::vp#0
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(void*) main::vp
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(const void*) main::vp#0 vp = (void*)(const word*) main::wp#0
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(word) main::w
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(word) main::w#0 w zp ZP_WORD:2 20.0
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(word*) main::wp
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(const word*) main::wp#0 wp = &(word) main::w#0
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zp ZP_WORD:2 [ main::w#0 ]
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FINAL ASSEMBLER
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Score: 23
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// File Comments
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// Test simple void pointer (conversion without casting)
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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 wp = w
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.label vp = wp
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.label bp = vp
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.label w = 2
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// w = 1234
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// [4] (word) main::w#0 ← (word) $4d2 -- vwuz1=vwuc1
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lda #<$4d2
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sta.z w
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lda #>$4d2
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sta.z w+1
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// *SCREEN = *bp
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// [5] *((const byte*) main::SCREEN) ← *((const byte*) main::bp#0) -- _deref_pbuc1=_deref_pbuc2
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lda.z bp
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sta SCREEN
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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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