mirror of https://gitlab.com/camelot/kickc.git
324 lines
10 KiB
Plaintext
324 lines
10 KiB
Plaintext
Eliminating unused variable with no statement main::$0
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Eliminating unused variable with no statement main::$2
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Eliminating unused variable with no statement main::$3
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Eliminating unused variable with no statement main::$5
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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::sumw#0 = main::min + main::max
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main::$1 = main::sumw#0 >> 1
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main::$7 = (char)main::$1
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main::midw#0 = main::$7 + 1
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main::SCREEN[0] = main::midw#0
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main::sumb#0 = main::min + main::max
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main::$4 = main::sumb#0 >> 1
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main::midb#0 = main::$4 + 1
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main::SCREEN[1] = main::midb#0
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main::$6 = main::SCREEN[0] == main::SCREEN[1]
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if(main::$6) goto main::@1
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to:main::@2
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main::@1: scope:[main] from main
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*main::BG_COLOR = 5
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to:main::@return
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main::@2: scope:[main] from main
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*main::BG_COLOR = 2
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to:main::@return
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main::@return: scope:[main] from main::@1 main::@2
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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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unsigned int main::$1
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char main::$4
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bool main::$6
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char main::$7
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__constant char *main::BG_COLOR = (char *)$d021
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__constant char *main::SCREEN = (char *)$400
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__constant char main::max = $c8
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char main::midb
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char main::midb#0
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char main::midw
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char main::midw#0
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__constant char main::min = $a
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char main::sumb
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char main::sumb#0
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unsigned int main::sumw
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unsigned int main::sumw#0
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Adding number conversion cast (unumber) 1 in main::$1 = main::sumw#0 >> 1
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Adding number conversion cast (unumber) 1 in main::midw#0 = main::$7 + 1
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Adding number conversion cast (unumber) 0 in main::SCREEN[0] = main::midw#0
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Adding number conversion cast (unumber) 1 in main::$4 = main::sumb#0 >> 1
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Adding number conversion cast (unumber) 1 in main::midb#0 = main::$4 + 1
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Adding number conversion cast (unumber) 1 in main::SCREEN[1] = main::midb#0
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Adding number conversion cast (unumber) 0 in main::$6 = main::SCREEN[0] == main::SCREEN[1]
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Adding number conversion cast (unumber) 1 in main::$6 = main::SCREEN[(unumber)0] == main::SCREEN[1]
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Adding number conversion cast (unumber) 5 in *main::BG_COLOR = 5
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Adding number conversion cast (unumber) 2 in *main::BG_COLOR = 2
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast *main::BG_COLOR = (unumber)5
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Inlining cast *main::BG_COLOR = (unumber)2
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Successful SSA optimization Pass2InlineCast
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Simplifying constant pointer cast (char *) 1024
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Simplifying constant pointer cast (char *) 53281
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Simplifying constant integer cast 1
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Simplifying constant integer cast 1
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Simplifying constant integer cast 0
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Simplifying constant integer cast 1
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Simplifying constant integer cast 1
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Simplifying constant integer cast 1
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Simplifying constant integer cast 0
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Simplifying constant integer cast 1
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Simplifying constant integer cast 5
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Simplifying constant integer cast 2
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (char) 1
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Finalized unsigned number type (char) 1
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Finalized unsigned number type (char) 0
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Finalized unsigned number type (char) 1
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Finalized unsigned number type (char) 1
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Finalized unsigned number type (char) 1
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Finalized unsigned number type (char) 0
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Finalized unsigned number type (char) 1
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Finalized unsigned number type (char) 5
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Finalized unsigned number type (char) 2
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Simple Condition main::$6 [10] if(main::SCREEN[0]==main::SCREEN[1]) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant right-side identified [0] main::sumw#0 = main::min + main::max
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Constant right-side identified [5] main::sumb#0 = main::min + main::max
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant main::sumw#0 = main::min+main::max
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Constant main::sumb#0 = main::min+main::max
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Successful SSA optimization Pass2ConstantIdentification
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Simplifying expression containing zero main::SCREEN in [4] main::SCREEN[0] = main::midw#0
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Simplifying expression containing zero main::SCREEN in [10] if(main::SCREEN[0]==main::SCREEN[1]) goto main::@1
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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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Constant right-side identified [0] main::$1 = main::sumw#0 >> 1
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Constant right-side identified [4] main::$4 = main::sumb#0 >> 1
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant main::$1 = main::sumw#0>>1
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Constant main::$4 = main::sumb#0>>1
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Successful SSA optimization Pass2ConstantIdentification
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Constant main::$7 = (char)main::$1
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Successful SSA optimization Pass2ConstantIdentification
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Constant right-side identified [0] main::midw#0 = main::$7 + 1
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Constant right-side identified [2] main::midb#0 = main::$4 + 1
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant main::midw#0 = main::$7+1
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Constant main::midb#0 = main::$4+1
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Successful SSA optimization Pass2ConstantIdentification
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Constant inlined main::$1 = main::sumw#0>>1
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Constant inlined main::$7 = (char)main::sumw#0>>1
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Constant inlined main::$4 = main::sumb#0>>1
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Successful SSA optimization Pass2ConstantInlining
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Consolidated array index constant in *(main::SCREEN+1)
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Consolidated array index constant in *(main::SCREEN+1)
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Successful SSA optimization Pass2ConstantAdditionElimination
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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 = main::midw#0
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[1] *(main::SCREEN+1) = main::midb#0
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[2] if(*main::SCREEN==*(main::SCREEN+1)) goto main::@1
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to:main::@2
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main::@2: scope:[main] from main
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[3] *main::BG_COLOR = 2
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to:main::@return
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main::@return: scope:[main] from main::@1 main::@2
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[4] return
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to:@return
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main::@1: scope:[main] from main
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[5] *main::BG_COLOR = 5
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to:main::@return
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VARIABLE REGISTER WEIGHTS
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void main()
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char main::midb
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char main::midw
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char main::sumb
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unsigned int main::sumw
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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 = main::midw#0 [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [1] *(main::SCREEN+1) = main::midb#0 [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [2] if(*main::SCREEN==*(main::SCREEN+1)) goto main::@1 [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [3] *main::BG_COLOR = 2 [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [5] *main::BG_COLOR = 5 [ ] ( [ ] { } ) 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 49 combination
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Uplifting [] best 49 combination
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Tests that casting inside constants in the output handles precedence between cast and + correctly - should generate the following KA-expression ($ff & sumw>>1)+1
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="cast-precedence-problem.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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.const min = $a
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.const max = $c8
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.const sumw = min+max
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.const sumb = min+max
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.const midw = (sumw>>1)+1
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.const midb = (sumb>>1)+1
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.label SCREEN = $400
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.label BG_COLOR = $d021
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// [0] *main::SCREEN = main::midw#0 -- _deref_pbuc1=vbuc2
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lda #midw
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sta SCREEN
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// [1] *(main::SCREEN+1) = main::midb#0 -- _deref_pbuc1=vbuc2
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lda #midb
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sta SCREEN+1
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// [2] if(*main::SCREEN==*(main::SCREEN+1)) goto main::@1 -- _deref_pbuc1_eq__deref_pbuc2_then_la1
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lda SCREEN
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cmp SCREEN+1
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beq __b1
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jmp __b2
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// main::@2
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__b2:
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// [3] *main::BG_COLOR = 2 -- _deref_pbuc1=vbuc2
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lda #2
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sta BG_COLOR
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jmp __breturn
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// main::@return
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__breturn:
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// [4] return
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rts
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// main::@1
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__b1:
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// [5] *main::BG_COLOR = 5 -- _deref_pbuc1=vbuc2
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lda #5
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sta BG_COLOR
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jmp __breturn
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}
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// File Data
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ASSEMBLER OPTIMIZATIONS
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Removing instruction jmp __b2
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Removing instruction jmp __breturn
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Succesful ASM optimization Pass5NextJumpElimination
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Removing instruction __b2:
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Succesful ASM optimization Pass5UnusedLabelElimination
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Replacing jump to rts with rts in jmp __breturn
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Succesful ASM optimization Pass5DoubleJumpElimination
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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 char *main::BG_COLOR = (char *) 53281
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__constant char *main::SCREEN = (char *) 1024
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__constant char main::max = $c8
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char main::midb
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__constant char main::midb#0 = main::sumb#0>>1+1 // midb
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char main::midw
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__constant char main::midw#0 = (char)main::sumw#0>>1+1 // midw
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__constant char main::min = $a
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char main::sumb
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__constant char main::sumb#0 = main::min+main::max // sumb
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unsigned int main::sumw
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__constant unsigned int main::sumw#0 = main::min+main::max // sumw
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FINAL ASSEMBLER
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Score: 46
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// File Comments
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// Tests that casting inside constants in the output handles precedence between cast and + correctly - should generate the following KA-expression ($ff & sumw>>1)+1
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="cast-precedence-problem.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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.const min = $a
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.const max = $c8
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.const sumw = min+max
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.const sumb = min+max
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.const midw = (sumw>>1)+1
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.const midb = (sumb>>1)+1
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.label SCREEN = $400
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.label BG_COLOR = $d021
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// SCREEN[0] = midw
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// [0] *main::SCREEN = main::midw#0 -- _deref_pbuc1=vbuc2
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lda #midw
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sta SCREEN
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// SCREEN[1] = midb
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// [1] *(main::SCREEN+1) = main::midb#0 -- _deref_pbuc1=vbuc2
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lda #midb
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sta SCREEN+1
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// if(SCREEN[0]==SCREEN[1])
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// [2] if(*main::SCREEN==*(main::SCREEN+1)) goto main::@1 -- _deref_pbuc1_eq__deref_pbuc2_then_la1
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lda SCREEN
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cmp SCREEN+1
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beq __b1
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// main::@2
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// *BG_COLOR = 2
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// [3] *main::BG_COLOR = 2 -- _deref_pbuc1=vbuc2
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lda #2
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sta BG_COLOR
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// main::@return
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// }
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// [4] return
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rts
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// main::@1
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__b1:
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// *BG_COLOR = 5
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// [5] *main::BG_COLOR = 5 -- _deref_pbuc1=vbuc2
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lda #5
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sta BG_COLOR
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rts
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}
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// File Data
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