mirror of
https://gitlab.com/camelot/kickc.git
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142 lines
3.5 KiB
Plaintext
142 lines
3.5 KiB
Plaintext
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CONTROL FLOW GRAPH SSA
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void main()
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main: scope:[main] from __start
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main::SCREEN[0] = 'a'
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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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void __start()
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__start: scope:[__start] from
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call main
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to:__start::@1
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__start::@1: scope:[__start] from __start
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to:__start::@return
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__start::@return: scope:[__start] from __start::@1
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return
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to:@return
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SYMBOL TABLE SSA
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void __start()
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void main()
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constant byte* const main::SCREEN = (byte*)$400
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Adding number conversion cast (unumber) 0 in main::SCREEN[0] = 'a'
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant pointer cast (byte*) 1024
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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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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Simplifying expression containing zero main::SCREEN in [0] main::SCREEN[0] = 'a'
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Successful SSA optimization PassNSimplifyExpressionWithZero
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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::@1
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Removing unused procedure block __start::@return
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Successful SSA optimization PassNEliminateEmptyStart
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CALL GRAPH
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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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FINAL CONTROL FLOW GRAPH
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void main()
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main: scope:[main] from
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[0] *main::SCREEN = 'a'
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to:main::@return
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main::@return: scope:[main] from main
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[1] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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void main()
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Initial phi equivalence classes
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Complete equivalence classes
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [0] *main::SCREEN = 'a' [ ] ( [ ] { } ) 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 15 combination
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Uplifting [] best 15 combination
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Procedure Declaration - A single procedure without parameters or return declared and then defined
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="procedure-declare-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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.segment Code
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// main
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main: {
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.label SCREEN = $400
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// [0] *main::SCREEN = 'a' -- _deref_pbuc1=vbuc2
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lda #'a'
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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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// [1] 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 __breturn
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Succesful ASM optimization Pass5NextJumpElimination
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Removing instruction __breturn:
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Succesful ASM optimization Pass5UnusedLabelElimination
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FINAL SYMBOL TABLE
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void main()
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constant byte* const main::SCREEN = (byte*) 1024
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FINAL ASSEMBLER
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Score: 12
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// File Comments
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// Procedure Declaration - A single procedure without parameters or return declared and then defined
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="procedure-declare-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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.segment Code
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// main
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main: {
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.label SCREEN = $400
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// SCREEN[0] = 'a'
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// [0] *main::SCREEN = 'a' -- _deref_pbuc1=vbuc2
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lda #'a'
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sta SCREEN
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// main::@return
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// }
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// [1] return
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rts
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}
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// File Data
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