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kickc/src/test/ref/gfxbank.log

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Inlined call vicSelectGfxBank::$0 = call toDd00(vicSelectGfxBank::gfx)
Inlined call call vicSelectGfxBank(main::PLAYFIELD_CHARSET)
CONTROL FLOW GRAPH SSA
void main()
main: scope:[main] from __start
main::vicSelectGfxBank1_gfx#0 = main::PLAYFIELD_CHARSET
to:main::vicSelectGfxBank1
main::vicSelectGfxBank1: scope:[main] from main
main::vicSelectGfxBank1_gfx#1 = phi( main/main::vicSelectGfxBank1_gfx#0 )
*((char *)CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_A_DDR) = 3
main::vicSelectGfxBank1_toDd001_gfx#0 = main::vicSelectGfxBank1_gfx#1
to:main::vicSelectGfxBank1_toDd001
main::vicSelectGfxBank1_toDd001: scope:[main] from main::vicSelectGfxBank1
main::vicSelectGfxBank1_toDd001_gfx#1 = phi( main::vicSelectGfxBank1/main::vicSelectGfxBank1_toDd001_gfx#0 )
main::vicSelectGfxBank1_toDd001_$0 = byte1 (unsigned int)main::vicSelectGfxBank1_toDd001_gfx#1
main::vicSelectGfxBank1_toDd001_$1 = main::vicSelectGfxBank1_toDd001_$0 / $40
main::vicSelectGfxBank1_toDd001_$2 = 3 ^ main::vicSelectGfxBank1_toDd001_$1
main::vicSelectGfxBank1_toDd001_return#0 = main::vicSelectGfxBank1_toDd001_$2
to:main::vicSelectGfxBank1_toDd001_@return
main::vicSelectGfxBank1_toDd001_@return: scope:[main] from main::vicSelectGfxBank1_toDd001
main::vicSelectGfxBank1_toDd001_return#2 = phi( main::vicSelectGfxBank1_toDd001/main::vicSelectGfxBank1_toDd001_return#0 )
main::vicSelectGfxBank1_toDd001_return#1 = main::vicSelectGfxBank1_toDd001_return#2
to:main::vicSelectGfxBank1_@1
main::vicSelectGfxBank1_@1: scope:[main] from main::vicSelectGfxBank1_toDd001_@return
main::vicSelectGfxBank1_toDd001_return#3 = phi( main::vicSelectGfxBank1_toDd001_@return/main::vicSelectGfxBank1_toDd001_return#1 )
main::vicSelectGfxBank1_$0 = main::vicSelectGfxBank1_toDd001_return#3
*((char *)CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_A) = main::vicSelectGfxBank1_$0
to:main::@return
main::@return: scope:[main] from main::vicSelectGfxBank1_@1
return
to:@return
void __start()
__start: scope:[__start] from
call main
to:__start::@1
__start::@1: scope:[__start] from __start
to:__start::@return
__start::@return: scope:[__start] from __start::@1
return
to:@return
SYMBOL TABLE SSA
__constant struct MOS6526_CIA * const CIA2 = (struct MOS6526_CIA *)$dd00
__constant char OFFSET_STRUCT_MOS6526_CIA_PORT_A = 0
__constant char OFFSET_STRUCT_MOS6526_CIA_PORT_A_DDR = 2
void __start()
void main()
__constant char * const main::PLAYFIELD_CHARSET = (char *)$2800
char main::vicSelectGfxBank1_$0
char *main::vicSelectGfxBank1_gfx
char *main::vicSelectGfxBank1_gfx#0
char *main::vicSelectGfxBank1_gfx#1
char main::vicSelectGfxBank1_toDd001_$0
number main::vicSelectGfxBank1_toDd001_$1
number main::vicSelectGfxBank1_toDd001_$2
char *main::vicSelectGfxBank1_toDd001_gfx
char *main::vicSelectGfxBank1_toDd001_gfx#0
char *main::vicSelectGfxBank1_toDd001_gfx#1
char main::vicSelectGfxBank1_toDd001_return
char main::vicSelectGfxBank1_toDd001_return#0
char main::vicSelectGfxBank1_toDd001_return#1
char main::vicSelectGfxBank1_toDd001_return#2
char main::vicSelectGfxBank1_toDd001_return#3
Adding number conversion cast (unumber) 3 in *((char *)CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_A_DDR) = 3
Adding number conversion cast (unumber) $40 in main::vicSelectGfxBank1_toDd001_$1 = main::vicSelectGfxBank1_toDd001_$0 / $40
Adding number conversion cast (unumber) main::vicSelectGfxBank1_toDd001_$1 in main::vicSelectGfxBank1_toDd001_$1 = main::vicSelectGfxBank1_toDd001_$0 / (unumber)$40
Adding number conversion cast (unumber) 3 in main::vicSelectGfxBank1_toDd001_$2 = 3 ^ main::vicSelectGfxBank1_toDd001_$1
Adding number conversion cast (unumber) main::vicSelectGfxBank1_toDd001_$2 in main::vicSelectGfxBank1_toDd001_$2 = (unumber)3 ^ main::vicSelectGfxBank1_toDd001_$1
Successful SSA optimization PassNAddNumberTypeConversions
Inlining cast *((char *)CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_A_DDR) = (unumber)3
Successful SSA optimization Pass2InlineCast
Simplifying constant pointer cast (struct MOS6526_CIA *) 56576
Simplifying constant pointer cast (char *) 10240
Simplifying constant integer cast 3
Simplifying constant integer cast $40
Simplifying constant integer cast 3
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (char) 3
Finalized unsigned number type (char) $40
Finalized unsigned number type (char) 3
Successful SSA optimization PassNFinalizeNumberTypeConversions
Inferred type updated to char in main::vicSelectGfxBank1_toDd001_$1 = main::vicSelectGfxBank1_toDd001_$0 / $40
Inferred type updated to char in main::vicSelectGfxBank1_toDd001_$2 = 3 ^ main::vicSelectGfxBank1_toDd001_$1
Alias main::vicSelectGfxBank1_gfx#0 = main::vicSelectGfxBank1_gfx#1 main::vicSelectGfxBank1_toDd001_gfx#0 main::vicSelectGfxBank1_toDd001_gfx#1
Alias main::vicSelectGfxBank1_toDd001_return#0 = main::vicSelectGfxBank1_toDd001_$2 main::vicSelectGfxBank1_toDd001_return#2 main::vicSelectGfxBank1_toDd001_return#1 main::vicSelectGfxBank1_toDd001_return#3 main::vicSelectGfxBank1_$0
Successful SSA optimization Pass2AliasElimination
Constant main::vicSelectGfxBank1_gfx#0 = main::PLAYFIELD_CHARSET
Successful SSA optimization Pass2ConstantIdentification
Constant value identified (unsigned int)main::vicSelectGfxBank1_gfx#0 in [2] main::vicSelectGfxBank1_toDd001_$0 = byte1 (unsigned int)main::vicSelectGfxBank1_gfx#0
Successful SSA optimization Pass2ConstantValues
Simplifying expression containing zero (char *)CIA2 in [5] *((char *)CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_A) = main::vicSelectGfxBank1_toDd001_return#0
Successful SSA optimization PassNSimplifyExpressionWithZero
Eliminating unused constant OFFSET_STRUCT_MOS6526_CIA_PORT_A
Successful SSA optimization PassNEliminateUnusedVars
Removing unused procedure __start
Removing unused procedure block __start
Removing unused procedure block __start::@1
Removing unused procedure block __start::@return
Successful SSA optimization PassNEliminateEmptyStart
Constant right-side identified [1] main::vicSelectGfxBank1_toDd001_$0 = byte1 (unsigned int)main::vicSelectGfxBank1_gfx#0
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant main::vicSelectGfxBank1_toDd001_$0 = byte1 (unsigned int)main::vicSelectGfxBank1_gfx#0
Successful SSA optimization Pass2ConstantIdentification
Constant right-side identified [1] main::vicSelectGfxBank1_toDd001_$1 = main::vicSelectGfxBank1_toDd001_$0 / $40
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant main::vicSelectGfxBank1_toDd001_$1 = main::vicSelectGfxBank1_toDd001_$0/$40
Successful SSA optimization Pass2ConstantIdentification
Simplifying constant evaluating to zero main::vicSelectGfxBank1_toDd001_$0/$40 in
Successful SSA optimization PassNSimplifyConstantZero
Simplifying expression containing zero 3 in [2] main::vicSelectGfxBank1_toDd001_return#0 = 3 ^ main::vicSelectGfxBank1_toDd001_$1
Successful SSA optimization PassNSimplifyExpressionWithZero
Eliminating unused constant main::vicSelectGfxBank1_toDd001_$0
Eliminating unused constant main::vicSelectGfxBank1_toDd001_$1
Successful SSA optimization PassNEliminateUnusedVars
Eliminating unused constant main::vicSelectGfxBank1_gfx#0
Successful SSA optimization PassNEliminateUnusedVars
Eliminating unused constant main::PLAYFIELD_CHARSET
Successful SSA optimization PassNEliminateUnusedVars
Constant main::vicSelectGfxBank1_toDd001_return#0 = 3
Successful SSA optimization Pass2ConstantIdentification
Adding NOP phi() at start of main
Adding NOP phi() at start of main::vicSelectGfxBank1_toDd001
Adding NOP phi() at start of main::vicSelectGfxBank1_toDd001_@return
CALL GRAPH
Created 0 initial phi equivalence classes
Coalesced down to 0 phi equivalence classes
Culled Empty Block label main::vicSelectGfxBank1_toDd001_@return
Adding NOP phi() at start of main
Adding NOP phi() at start of main::vicSelectGfxBank1_toDd001
FINAL CONTROL FLOW GRAPH
void main()
main: scope:[main] from
[0] phi()
to:main::vicSelectGfxBank1
main::vicSelectGfxBank1: scope:[main] from main
[1] *((char *)CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_A_DDR) = 3
to:main::vicSelectGfxBank1_toDd001
main::vicSelectGfxBank1_toDd001: scope:[main] from main::vicSelectGfxBank1
[2] phi()
to:main::vicSelectGfxBank1_@1
main::vicSelectGfxBank1_@1: scope:[main] from main::vicSelectGfxBank1_toDd001
[3] *((char *)CIA2) = main::vicSelectGfxBank1_toDd001_return#0
to:main::@return
main::@return: scope:[main] from main::vicSelectGfxBank1_@1
[4] return
to:@return
VARIABLE REGISTER WEIGHTS
void main()
char *main::vicSelectGfxBank1_gfx
char *main::vicSelectGfxBank1_toDd001_gfx
char main::vicSelectGfxBank1_toDd001_return
Initial phi equivalence classes
Complete equivalence classes
REGISTER UPLIFT POTENTIAL REGISTERS
Statement [1] *((char *)CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_A_DDR) = 3 [ ] ( [ ] { } ) always clobbers reg byte a
Statement [3] *((char *)CIA2) = main::vicSelectGfxBank1_toDd001_return#0 [ ] ( [ ] { } ) always clobbers reg byte a
REGISTER UPLIFT SCOPES
Uplift Scope [MOS6526_CIA]
Uplift Scope [MOS6569_VICII]
Uplift Scope [MOS6581_SID]
Uplift Scope [main]
Uplift Scope []
Uplifting [MOS6526_CIA] best 84 combination
Uplifting [MOS6569_VICII] best 84 combination
Uplifting [MOS6581_SID] best 84 combination
Uplifting [main] best 84 combination
Uplifting [] best 84 combination
ASSEMBLER BEFORE OPTIMIZATION
// File Comments
// Test minimization of constants
// Upstart
// Commodore 64 PRG executable file
.file [name="gfxbank.prg", type="prg", segments="Program"]
.segmentdef Program [segments="Basic, Code, Data"]
.segmentdef Basic [start=$0801]
.segmentdef Code [start=$80d]
.segmentdef Data [startAfter="Code"]
.segment Basic
:BasicUpstart(main)
// Global Constants & labels
.const OFFSET_STRUCT_MOS6526_CIA_PORT_A_DDR = 2
/// The CIA#2: Serial bus, RS-232, VIC memory bank
.label CIA2 = $dd00
.segment Code
// main
main: {
.const vicSelectGfxBank1_toDd001_return = 3
jmp vicSelectGfxBank1
// main::vicSelectGfxBank1
vicSelectGfxBank1:
// [1] *((char *)CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_A_DDR) = 3 -- _deref_pbuc1=vbuc2
lda #3
sta CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_A_DDR
// [2] phi from main::vicSelectGfxBank1 to main::vicSelectGfxBank1_toDd001 [phi:main::vicSelectGfxBank1->main::vicSelectGfxBank1_toDd001]
vicSelectGfxBank1_toDd001_from_vicSelectGfxBank1:
jmp vicSelectGfxBank1_toDd001
// main::vicSelectGfxBank1_toDd001
vicSelectGfxBank1_toDd001:
jmp vicSelectGfxBank1___b1
// main::vicSelectGfxBank1_@1
vicSelectGfxBank1___b1:
// [3] *((char *)CIA2) = main::vicSelectGfxBank1_toDd001_return#0 -- _deref_pbuc1=vbuc2
lda #vicSelectGfxBank1_toDd001_return
sta CIA2
jmp __breturn
// main::@return
__breturn:
// [4] return
rts
}
// File Data
ASSEMBLER OPTIMIZATIONS
Removing instruction jmp vicSelectGfxBank1
Removing instruction jmp vicSelectGfxBank1_toDd001
Removing instruction jmp vicSelectGfxBank1___b1
Removing instruction jmp __breturn
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction vicSelectGfxBank1_toDd001_from_vicSelectGfxBank1:
Removing instruction vicSelectGfxBank1_toDd001:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction vicSelectGfxBank1:
Removing instruction vicSelectGfxBank1___b1:
Removing instruction __breturn:
Succesful ASM optimization Pass5UnusedLabelElimination
FINAL SYMBOL TABLE
__constant struct MOS6526_CIA * const CIA2 = (struct MOS6526_CIA *) 56576
__constant char OFFSET_STRUCT_MOS6526_CIA_PORT_A_DDR = 2
void main()
char *main::vicSelectGfxBank1_gfx
char *main::vicSelectGfxBank1_toDd001_gfx
char main::vicSelectGfxBank1_toDd001_return
__constant char main::vicSelectGfxBank1_toDd001_return#0 = 3 // vicSelectGfxBank1_toDd001_return
FINAL ASSEMBLER
Score: 18
// File Comments
// Test minimization of constants
// Upstart
// Commodore 64 PRG executable file
.file [name="gfxbank.prg", type="prg", segments="Program"]
.segmentdef Program [segments="Basic, Code, Data"]
.segmentdef Basic [start=$0801]
.segmentdef Code [start=$80d]
.segmentdef Data [startAfter="Code"]
.segment Basic
:BasicUpstart(main)
// Global Constants & labels
.const OFFSET_STRUCT_MOS6526_CIA_PORT_A_DDR = 2
/// The CIA#2: Serial bus, RS-232, VIC memory bank
.label CIA2 = $dd00
.segment Code
// main
main: {
.const vicSelectGfxBank1_toDd001_return = 3
// main::vicSelectGfxBank1
// CIA2->PORT_A_DDR = 0b00000011
// [1] *((char *)CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_A_DDR) = 3 -- _deref_pbuc1=vbuc2
lda #3
sta CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_A_DDR
// [2] phi from main::vicSelectGfxBank1 to main::vicSelectGfxBank1_toDd001 [phi:main::vicSelectGfxBank1->main::vicSelectGfxBank1_toDd001]
// main::vicSelectGfxBank1_toDd001
// main::vicSelectGfxBank1_@1
// CIA2->PORT_A = toDd00(gfx)
// [3] *((char *)CIA2) = main::vicSelectGfxBank1_toDd001_return#0 -- _deref_pbuc1=vbuc2
lda #vicSelectGfxBank1_toDd001_return
sta CIA2
// main::@return
// }
// [4] return
rts
}
// File Data
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