mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-29 03:56:15 +00:00
569 lines
22 KiB
Plaintext
569 lines
22 KiB
Plaintext
|
|
CONTROL FLOW GRAPH SSA
|
|
|
|
void main()
|
|
main: scope:[main] from __start
|
|
main::i#0 = 0
|
|
to:main::@1
|
|
main::@1: scope:[main] from main main::@1
|
|
main::i#2 = phi( main/main::i#0, main::@1/main::i#1 )
|
|
main::$0 = 2 + main::i#2
|
|
main::$4 = main::i#2 * SIZEOF_STRUCT_POINT
|
|
((byte*)points+OFFSET_STRUCT_POINT_X)[main::$4] = main::$0
|
|
main::$1 = 3 + main::i#2
|
|
main::$5 = main::i#2 * SIZEOF_STRUCT_POINT
|
|
((byte*)points+OFFSET_STRUCT_POINT_Y)[main::$5] = main::$1
|
|
main::i#1 = main::i#2 + rangenext(0,1)
|
|
main::$2 = main::i#1 != rangelast(0,1)
|
|
if(main::$2) goto main::@1
|
|
to:main::@2
|
|
main::@2: scope:[main] from main::@1
|
|
main::idx#0 = 0
|
|
main::i1#0 = 0
|
|
to:main::@3
|
|
main::@3: scope:[main] from main::@2 main::@3
|
|
main::idx#4 = phi( main::@2/main::idx#0, main::@3/main::idx#3 )
|
|
main::i1#2 = phi( main::@2/main::i1#0, main::@3/main::i1#1 )
|
|
main::$6 = main::i1#2 * SIZEOF_STRUCT_POINT
|
|
main::SCREEN[main::idx#4] = ((byte*)points+OFFSET_STRUCT_POINT_X)[main::$6]
|
|
main::idx#1 = ++ main::idx#4
|
|
main::$7 = main::i1#2 * SIZEOF_STRUCT_POINT
|
|
main::SCREEN[main::idx#1] = ((byte*)points+OFFSET_STRUCT_POINT_Y)[main::$7]
|
|
main::idx#2 = ++ main::idx#1
|
|
main::SCREEN[main::idx#2] = ' '
|
|
main::idx#3 = ++ main::idx#2
|
|
main::i1#1 = main::i1#2 + rangenext(0,1)
|
|
main::$3 = main::i1#1 != rangelast(0,1)
|
|
if(main::$3) goto main::@3
|
|
to:main::@return
|
|
main::@return: scope:[main] from main::@3
|
|
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
|
|
const byte OFFSET_STRUCT_POINT_X = 0
|
|
const byte OFFSET_STRUCT_POINT_Y = 1
|
|
const byte SIZEOF_STRUCT_POINT = 2
|
|
void __start()
|
|
void main()
|
|
number~ main::$0
|
|
number~ main::$1
|
|
bool~ main::$2
|
|
bool~ main::$3
|
|
byte~ main::$4
|
|
byte~ main::$5
|
|
byte~ main::$6
|
|
byte~ main::$7
|
|
const nomodify byte* main::SCREEN = (byte*)$400
|
|
byte main::i
|
|
byte main::i#0
|
|
byte main::i#1
|
|
byte main::i#2
|
|
byte main::i1
|
|
byte main::i1#0
|
|
byte main::i1#1
|
|
byte main::i1#2
|
|
byte main::idx
|
|
byte main::idx#0
|
|
byte main::idx#1
|
|
byte main::idx#2
|
|
byte main::idx#3
|
|
byte main::idx#4
|
|
const struct Point* points[2] = { fill( 2, 0) }
|
|
|
|
Adding number conversion cast (unumber) 2 in main::$0 = 2 + main::i#2
|
|
Adding number conversion cast (unumber) main::$0 in main::$0 = (unumber)2 + main::i#2
|
|
Adding number conversion cast (unumber) 3 in main::$1 = 3 + main::i#2
|
|
Adding number conversion cast (unumber) main::$1 in main::$1 = (unumber)3 + main::i#2
|
|
Successful SSA optimization PassNAddNumberTypeConversions
|
|
Simplifying constant pointer cast (byte*) 1024
|
|
Simplifying constant integer cast 2
|
|
Simplifying constant integer cast 3
|
|
Successful SSA optimization PassNCastSimplification
|
|
Finalized unsigned number type (byte) 2
|
|
Finalized unsigned number type (byte) 3
|
|
Successful SSA optimization PassNFinalizeNumberTypeConversions
|
|
Inferred type updated to byte in main::$0 = 2 + main::i#2
|
|
Inferred type updated to byte in main::$1 = 3 + main::i#2
|
|
Identified duplicate assignment right side [6] main::$5 = main::i#2 * SIZEOF_STRUCT_POINT
|
|
Identified duplicate assignment right side [17] main::$7 = main::i1#2 * SIZEOF_STRUCT_POINT
|
|
Successful SSA optimization Pass2DuplicateRValueIdentification
|
|
Simple Condition main::$2 [10] if(main::i#1!=rangelast(0,1)) goto main::@1
|
|
Simple Condition main::$3 [24] if(main::i1#1!=rangelast(0,1)) goto main::@3
|
|
Successful SSA optimization Pass2ConditionalJumpSimplification
|
|
Constant main::i#0 = 0
|
|
Constant main::idx#0 = 0
|
|
Constant main::i1#0 = 0
|
|
Successful SSA optimization Pass2ConstantIdentification
|
|
Resolved ranged next value [8] main::i#1 = ++ main::i#2 to ++
|
|
Resolved ranged comparison value [10] if(main::i#1!=rangelast(0,1)) goto main::@1 to 2
|
|
Resolved ranged next value [22] main::i1#1 = ++ main::i1#2 to ++
|
|
Resolved ranged comparison value [24] if(main::i1#1!=rangelast(0,1)) goto main::@3 to 2
|
|
Simplifying expression containing zero (byte*)points in [4] ((byte*)points+OFFSET_STRUCT_POINT_X)[main::$4] = main::$0
|
|
Simplifying expression containing zero (byte*)points in [15] main::SCREEN[main::idx#4] = ((byte*)points+OFFSET_STRUCT_POINT_X)[main::$6]
|
|
Successful SSA optimization PassNSimplifyExpressionWithZero
|
|
Eliminating unused constant OFFSET_STRUCT_POINT_X
|
|
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
|
|
Adding number conversion cast (unumber) 2 in [8] if(main::i#1!=2) goto main::@1
|
|
Adding number conversion cast (unumber) 2 in [19] if(main::i1#1!=2) goto main::@3
|
|
Successful SSA optimization PassNAddNumberTypeConversions
|
|
Simplifying constant integer cast 2
|
|
Simplifying constant integer cast 2
|
|
Successful SSA optimization PassNCastSimplification
|
|
Finalized unsigned number type (byte) 2
|
|
Finalized unsigned number type (byte) 2
|
|
Successful SSA optimization PassNFinalizeNumberTypeConversions
|
|
Alias main::$5 = main::$4
|
|
Alias main::$7 = main::$6
|
|
Successful SSA optimization Pass2AliasElimination
|
|
Rewriting multiplication to use shift [2] main::$5 = main::i#2 * SIZEOF_STRUCT_POINT
|
|
Rewriting multiplication to use shift [9] main::$7 = main::i1#2 * SIZEOF_STRUCT_POINT
|
|
Successful SSA optimization Pass2MultiplyToShiftRewriting
|
|
Inlining constant with var siblings main::i#0
|
|
Inlining constant with var siblings main::idx#0
|
|
Inlining constant with var siblings main::i1#0
|
|
Constant inlined main::i#0 = 0
|
|
Constant inlined main::i1#0 = 0
|
|
Constant inlined main::idx#0 = 0
|
|
Successful SSA optimization Pass2ConstantInlining
|
|
Eliminating unused constant SIZEOF_STRUCT_POINT
|
|
Successful SSA optimization PassNEliminateUnusedVars
|
|
Finalized unsigned number type (byte) 2
|
|
Finalized unsigned number type (byte) 2
|
|
Successful SSA optimization PassNFinalizeNumberTypeConversions
|
|
Added new block during phi lifting main::@4(between main::@1 and main::@1)
|
|
Added new block during phi lifting main::@5(between main::@3 and main::@3)
|
|
Adding NOP phi() at start of main
|
|
Adding NOP phi() at start of main::@2
|
|
CALL GRAPH
|
|
|
|
Created 3 initial phi equivalence classes
|
|
Coalesced [21] main::i1#3 = main::i1#1
|
|
Coalesced [22] main::idx#5 = main::idx#3
|
|
Coalesced [23] main::i#3 = main::i#1
|
|
Coalesced down to 3 phi equivalence classes
|
|
Culled Empty Block label main::@2
|
|
Culled Empty Block label main::@5
|
|
Culled Empty Block label main::@4
|
|
Renumbering block main::@3 to main::@2
|
|
Adding NOP phi() at start of main
|
|
|
|
FINAL CONTROL FLOW GRAPH
|
|
|
|
void main()
|
|
main: scope:[main] from
|
|
[0] phi()
|
|
to:main::@1
|
|
main::@1: scope:[main] from main main::@1
|
|
[1] main::i#2 = phi( main/0, main::@1/main::i#1 )
|
|
[2] main::$0 = 2 + main::i#2
|
|
[3] main::$5 = main::i#2 << 1
|
|
[4] ((byte*)points)[main::$5] = main::$0
|
|
[5] main::$1 = 3 + main::i#2
|
|
[6] ((byte*)points+OFFSET_STRUCT_POINT_Y)[main::$5] = main::$1
|
|
[7] main::i#1 = ++ main::i#2
|
|
[8] if(main::i#1!=2) goto main::@1
|
|
to:main::@2
|
|
main::@2: scope:[main] from main::@1 main::@2
|
|
[9] main::idx#4 = phi( main::@1/0, main::@2/main::idx#3 )
|
|
[9] main::i1#2 = phi( main::@1/0, main::@2/main::i1#1 )
|
|
[10] main::$7 = main::i1#2 << 1
|
|
[11] main::SCREEN[main::idx#4] = ((byte*)points)[main::$7]
|
|
[12] main::idx#1 = ++ main::idx#4
|
|
[13] main::SCREEN[main::idx#1] = ((byte*)points+OFFSET_STRUCT_POINT_Y)[main::$7]
|
|
[14] main::idx#2 = ++ main::idx#1
|
|
[15] main::SCREEN[main::idx#2] = ' '
|
|
[16] main::idx#3 = ++ main::idx#2
|
|
[17] main::i1#1 = ++ main::i1#2
|
|
[18] if(main::i1#1!=2) goto main::@2
|
|
to:main::@return
|
|
main::@return: scope:[main] from main::@2
|
|
[19] return
|
|
to:@return
|
|
|
|
|
|
VARIABLE REGISTER WEIGHTS
|
|
void main()
|
|
byte~ main::$0 11.0
|
|
byte~ main::$1 22.0
|
|
byte~ main::$5 11.0
|
|
byte~ main::$7 11.0
|
|
byte main::i
|
|
byte main::i#1 16.5
|
|
byte main::i#2 9.166666666666666
|
|
byte main::i1
|
|
byte main::i1#1 16.5
|
|
byte main::i1#2 4.125
|
|
byte main::idx
|
|
byte main::idx#1 16.5
|
|
byte main::idx#2 16.5
|
|
byte main::idx#3 7.333333333333333
|
|
byte main::idx#4 11.0
|
|
|
|
Initial phi equivalence classes
|
|
[ main::i#2 main::i#1 ]
|
|
[ main::i1#2 main::i1#1 ]
|
|
[ main::idx#4 main::idx#3 ]
|
|
Added variable main::$0 to live range equivalence class [ main::$0 ]
|
|
Added variable main::$5 to live range equivalence class [ main::$5 ]
|
|
Added variable main::$1 to live range equivalence class [ main::$1 ]
|
|
Added variable main::$7 to live range equivalence class [ main::$7 ]
|
|
Added variable main::idx#1 to live range equivalence class [ main::idx#1 ]
|
|
Added variable main::idx#2 to live range equivalence class [ main::idx#2 ]
|
|
Complete equivalence classes
|
|
[ main::i#2 main::i#1 ]
|
|
[ main::i1#2 main::i1#1 ]
|
|
[ main::idx#4 main::idx#3 ]
|
|
[ main::$0 ]
|
|
[ main::$5 ]
|
|
[ main::$1 ]
|
|
[ main::$7 ]
|
|
[ main::idx#1 ]
|
|
[ main::idx#2 ]
|
|
Allocated zp[1]:2 [ main::i#2 main::i#1 ]
|
|
Allocated zp[1]:3 [ main::i1#2 main::i1#1 ]
|
|
Allocated zp[1]:4 [ main::idx#4 main::idx#3 ]
|
|
Allocated zp[1]:5 [ main::$0 ]
|
|
Allocated zp[1]:6 [ main::$5 ]
|
|
Allocated zp[1]:7 [ main::$1 ]
|
|
Allocated zp[1]:8 [ main::$7 ]
|
|
Allocated zp[1]:9 [ main::idx#1 ]
|
|
Allocated zp[1]:10 [ main::idx#2 ]
|
|
REGISTER UPLIFT POTENTIAL REGISTERS
|
|
Statement [3] main::$5 = main::i#2 << 1 [ main::i#2 main::$0 main::$5 ] ( [ main::i#2 main::$0 main::$5 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:2 [ main::i#2 main::i#1 ]
|
|
Removing always clobbered register reg byte a as potential for zp[1]:5 [ main::$0 ]
|
|
Statement [4] ((byte*)points)[main::$5] = main::$0 [ main::i#2 main::$5 ] ( [ main::i#2 main::$5 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:6 [ main::$5 ]
|
|
Statement [5] main::$1 = 3 + main::i#2 [ main::i#2 main::$5 main::$1 ] ( [ main::i#2 main::$5 main::$1 ] { } ) always clobbers reg byte a
|
|
Statement [10] main::$7 = main::i1#2 << 1 [ main::i1#2 main::idx#4 main::$7 ] ( [ main::i1#2 main::idx#4 main::$7 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:3 [ main::i1#2 main::i1#1 ]
|
|
Removing always clobbered register reg byte a as potential for zp[1]:4 [ main::idx#4 main::idx#3 ]
|
|
Statement [11] main::SCREEN[main::idx#4] = ((byte*)points)[main::$7] [ main::i1#2 main::idx#4 main::$7 ] ( [ main::i1#2 main::idx#4 main::$7 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:8 [ main::$7 ]
|
|
Statement [13] main::SCREEN[main::idx#1] = ((byte*)points+OFFSET_STRUCT_POINT_Y)[main::$7] [ main::i1#2 main::idx#1 ] ( [ main::i1#2 main::idx#1 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:9 [ main::idx#1 ]
|
|
Statement [15] main::SCREEN[main::idx#2] = ' ' [ main::i1#2 main::idx#2 ] ( [ main::i1#2 main::idx#2 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:10 [ main::idx#2 ]
|
|
Statement [2] main::$0 = 2 + main::i#2 [ main::i#2 main::$0 ] ( [ main::i#2 main::$0 ] { } ) always clobbers reg byte a
|
|
Statement [3] main::$5 = main::i#2 << 1 [ main::i#2 main::$0 main::$5 ] ( [ main::i#2 main::$0 main::$5 ] { } ) always clobbers reg byte a
|
|
Statement [4] ((byte*)points)[main::$5] = main::$0 [ main::i#2 main::$5 ] ( [ main::i#2 main::$5 ] { } ) always clobbers reg byte a
|
|
Statement [5] main::$1 = 3 + main::i#2 [ main::i#2 main::$5 main::$1 ] ( [ main::i#2 main::$5 main::$1 ] { } ) always clobbers reg byte a
|
|
Statement [10] main::$7 = main::i1#2 << 1 [ main::i1#2 main::idx#4 main::$7 ] ( [ main::i1#2 main::idx#4 main::$7 ] { } ) always clobbers reg byte a
|
|
Statement [11] main::SCREEN[main::idx#4] = ((byte*)points)[main::$7] [ main::i1#2 main::idx#4 main::$7 ] ( [ main::i1#2 main::idx#4 main::$7 ] { } ) always clobbers reg byte a
|
|
Statement [13] main::SCREEN[main::idx#1] = ((byte*)points+OFFSET_STRUCT_POINT_Y)[main::$7] [ main::i1#2 main::idx#1 ] ( [ main::i1#2 main::idx#1 ] { } ) always clobbers reg byte a
|
|
Statement [15] main::SCREEN[main::idx#2] = ' ' [ main::i1#2 main::idx#2 ] ( [ main::i1#2 main::idx#2 ] { } ) always clobbers reg byte a
|
|
Potential registers zp[1]:2 [ main::i#2 main::i#1 ] : zp[1]:2 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:3 [ main::i1#2 main::i1#1 ] : zp[1]:3 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:4 [ main::idx#4 main::idx#3 ] : zp[1]:4 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:5 [ main::$0 ] : zp[1]:5 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:6 [ main::$5 ] : zp[1]:6 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:7 [ main::$1 ] : zp[1]:7 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:8 [ main::$7 ] : zp[1]:8 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:9 [ main::idx#1 ] : zp[1]:9 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:10 [ main::idx#2 ] : zp[1]:10 , reg byte x , reg byte y ,
|
|
|
|
REGISTER UPLIFT SCOPES
|
|
Uplift Scope [main] 25.67: zp[1]:2 [ main::i#2 main::i#1 ] 22: zp[1]:7 [ main::$1 ] 20.62: zp[1]:3 [ main::i1#2 main::i1#1 ] 18.33: zp[1]:4 [ main::idx#4 main::idx#3 ] 16.5: zp[1]:9 [ main::idx#1 ] 16.5: zp[1]:10 [ main::idx#2 ] 11: zp[1]:5 [ main::$0 ] 11: zp[1]:6 [ main::$5 ] 11: zp[1]:8 [ main::$7 ]
|
|
Uplift Scope [Point]
|
|
Uplift Scope []
|
|
|
|
Uplifting [main] best 1586 combination zp[1]:2 [ main::i#2 main::i#1 ] reg byte a [ main::$1 ] zp[1]:3 [ main::i1#2 main::i1#1 ] reg byte x [ main::idx#4 main::idx#3 ] zp[1]:9 [ main::idx#1 ] zp[1]:10 [ main::idx#2 ] zp[1]:5 [ main::$0 ] zp[1]:6 [ main::$5 ] zp[1]:8 [ main::$7 ]
|
|
Limited combination testing to 100 combinations of 26244 possible.
|
|
Uplifting [Point] best 1586 combination
|
|
Uplifting [] best 1586 combination
|
|
Attempting to uplift remaining variables inzp[1]:2 [ main::i#2 main::i#1 ]
|
|
Uplifting [main] best 1586 combination zp[1]:2 [ main::i#2 main::i#1 ]
|
|
Attempting to uplift remaining variables inzp[1]:3 [ main::i1#2 main::i1#1 ]
|
|
Uplifting [main] best 1586 combination zp[1]:3 [ main::i1#2 main::i1#1 ]
|
|
Attempting to uplift remaining variables inzp[1]:9 [ main::idx#1 ]
|
|
Uplifting [main] best 1496 combination reg byte x [ main::idx#1 ]
|
|
Attempting to uplift remaining variables inzp[1]:10 [ main::idx#2 ]
|
|
Uplifting [main] best 1406 combination reg byte x [ main::idx#2 ]
|
|
Attempting to uplift remaining variables inzp[1]:5 [ main::$0 ]
|
|
Uplifting [main] best 1366 combination reg byte x [ main::$0 ]
|
|
Attempting to uplift remaining variables inzp[1]:6 [ main::$5 ]
|
|
Uplifting [main] best 1296 combination reg byte y [ main::$5 ]
|
|
Attempting to uplift remaining variables inzp[1]:8 [ main::$7 ]
|
|
Uplifting [main] best 1226 combination reg byte y [ main::$7 ]
|
|
|
|
ASSEMBLER BEFORE OPTIMIZATION
|
|
// File Comments
|
|
// Minimal struct - variable array access
|
|
// Upstart
|
|
// Commodore 64 PRG executable file
|
|
.file [name="struct-ptr-8.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_POINT_Y = 1
|
|
.segment Code
|
|
// main
|
|
main: {
|
|
.label SCREEN = $400
|
|
.label i = 2
|
|
.label i1 = 3
|
|
// [1] phi from main to main::@1 [phi:main->main::@1]
|
|
__b1_from_main:
|
|
// [1] phi main::i#2 = 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z i
|
|
jmp __b1
|
|
// [1] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
|
__b1_from___b1:
|
|
// [1] phi main::i#2 = main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
|
jmp __b1
|
|
// main::@1
|
|
__b1:
|
|
// [2] main::$0 = 2 + main::i#2 -- vbuxx=vbuc1_plus_vbuz1
|
|
lax.z i
|
|
axs #-[2]
|
|
// [3] main::$5 = main::i#2 << 1 -- vbuyy=vbuz1_rol_1
|
|
lda.z i
|
|
asl
|
|
tay
|
|
// [4] ((byte*)points)[main::$5] = main::$0 -- pbuc1_derefidx_vbuyy=vbuxx
|
|
txa
|
|
sta points,y
|
|
// [5] main::$1 = 3 + main::i#2 -- vbuaa=vbuc1_plus_vbuz1
|
|
lda #3
|
|
clc
|
|
adc.z i
|
|
// [6] ((byte*)points+OFFSET_STRUCT_POINT_Y)[main::$5] = main::$1 -- pbuc1_derefidx_vbuyy=vbuaa
|
|
sta points+OFFSET_STRUCT_POINT_Y,y
|
|
// [7] main::i#1 = ++ main::i#2 -- vbuz1=_inc_vbuz1
|
|
inc.z i
|
|
// [8] if(main::i#1!=2) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #2
|
|
cmp.z i
|
|
bne __b1_from___b1
|
|
// [9] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
|
|
__b2_from___b1:
|
|
// [9] phi main::idx#4 = 0 [phi:main::@1->main::@2#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [9] phi main::i1#2 = 0 [phi:main::@1->main::@2#1] -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z i1
|
|
jmp __b2
|
|
// [9] phi from main::@2 to main::@2 [phi:main::@2->main::@2]
|
|
__b2_from___b2:
|
|
// [9] phi main::idx#4 = main::idx#3 [phi:main::@2->main::@2#0] -- register_copy
|
|
// [9] phi main::i1#2 = main::i1#1 [phi:main::@2->main::@2#1] -- register_copy
|
|
jmp __b2
|
|
// main::@2
|
|
__b2:
|
|
// [10] main::$7 = main::i1#2 << 1 -- vbuyy=vbuz1_rol_1
|
|
lda.z i1
|
|
asl
|
|
tay
|
|
// [11] main::SCREEN[main::idx#4] = ((byte*)points)[main::$7] -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_vbuyy
|
|
lda points,y
|
|
sta SCREEN,x
|
|
// [12] main::idx#1 = ++ main::idx#4 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [13] main::SCREEN[main::idx#1] = ((byte*)points+OFFSET_STRUCT_POINT_Y)[main::$7] -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_vbuyy
|
|
lda points+OFFSET_STRUCT_POINT_Y,y
|
|
sta SCREEN,x
|
|
// [14] main::idx#2 = ++ main::idx#1 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [15] main::SCREEN[main::idx#2] = ' ' -- pbuc1_derefidx_vbuxx=vbuc2
|
|
lda #' '
|
|
sta SCREEN,x
|
|
// [16] main::idx#3 = ++ main::idx#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [17] main::i1#1 = ++ main::i1#2 -- vbuz1=_inc_vbuz1
|
|
inc.z i1
|
|
// [18] if(main::i1#1!=2) goto main::@2 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #2
|
|
cmp.z i1
|
|
bne __b2_from___b2
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [19] return
|
|
rts
|
|
}
|
|
// File Data
|
|
.segment Data
|
|
points: .fill 2*2, 0
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Replacing instruction lda #0 with TXA
|
|
Replacing label __b1_from___b1 with __b1
|
|
Replacing label __b2_from___b2 with __b2
|
|
Removing instruction __b1_from___b1:
|
|
Removing instruction __b2_from___b2:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __b1_from_main:
|
|
Removing instruction __b2_from___b1:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b2
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
const byte OFFSET_STRUCT_POINT_Y = 1
|
|
void main()
|
|
byte~ main::$0 reg byte x 11.0
|
|
byte~ main::$1 reg byte a 22.0
|
|
byte~ main::$5 reg byte y 11.0
|
|
byte~ main::$7 reg byte y 11.0
|
|
const nomodify byte* main::SCREEN = (byte*) 1024
|
|
byte main::i
|
|
byte main::i#1 i zp[1]:2 16.5
|
|
byte main::i#2 i zp[1]:2 9.166666666666666
|
|
byte main::i1
|
|
byte main::i1#1 i1 zp[1]:3 16.5
|
|
byte main::i1#2 i1 zp[1]:3 4.125
|
|
byte main::idx
|
|
byte main::idx#1 reg byte x 16.5
|
|
byte main::idx#2 reg byte x 16.5
|
|
byte main::idx#3 reg byte x 7.333333333333333
|
|
byte main::idx#4 reg byte x 11.0
|
|
const struct Point* points[2] = { fill( 2, 0) }
|
|
|
|
zp[1]:2 [ main::i#2 main::i#1 ]
|
|
zp[1]:3 [ main::i1#2 main::i1#1 ]
|
|
reg byte x [ main::idx#4 main::idx#3 ]
|
|
reg byte x [ main::$0 ]
|
|
reg byte y [ main::$5 ]
|
|
reg byte a [ main::$1 ]
|
|
reg byte y [ main::$7 ]
|
|
reg byte x [ main::idx#1 ]
|
|
reg byte x [ main::idx#2 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 1076
|
|
|
|
// File Comments
|
|
// Minimal struct - variable array access
|
|
// Upstart
|
|
// Commodore 64 PRG executable file
|
|
.file [name="struct-ptr-8.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_POINT_Y = 1
|
|
.segment Code
|
|
// main
|
|
main: {
|
|
.label SCREEN = $400
|
|
.label i = 2
|
|
.label i1 = 3
|
|
// [1] phi from main to main::@1 [phi:main->main::@1]
|
|
// [1] phi main::i#2 = 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z i
|
|
// [1] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
|
// [1] phi main::i#2 = main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
|
// main::@1
|
|
__b1:
|
|
// 2+i
|
|
// [2] main::$0 = 2 + main::i#2 -- vbuxx=vbuc1_plus_vbuz1
|
|
lax.z i
|
|
axs #-[2]
|
|
// points[i].x = 2+i
|
|
// [3] main::$5 = main::i#2 << 1 -- vbuyy=vbuz1_rol_1
|
|
lda.z i
|
|
asl
|
|
tay
|
|
// [4] ((byte*)points)[main::$5] = main::$0 -- pbuc1_derefidx_vbuyy=vbuxx
|
|
txa
|
|
sta points,y
|
|
// 3+i
|
|
// [5] main::$1 = 3 + main::i#2 -- vbuaa=vbuc1_plus_vbuz1
|
|
lda #3
|
|
clc
|
|
adc.z i
|
|
// points[i].y = 3+i
|
|
// [6] ((byte*)points+OFFSET_STRUCT_POINT_Y)[main::$5] = main::$1 -- pbuc1_derefidx_vbuyy=vbuaa
|
|
sta points+OFFSET_STRUCT_POINT_Y,y
|
|
// for( byte i: 0..1)
|
|
// [7] main::i#1 = ++ main::i#2 -- vbuz1=_inc_vbuz1
|
|
inc.z i
|
|
// [8] if(main::i#1!=2) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #2
|
|
cmp.z i
|
|
bne __b1
|
|
// [9] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
|
|
// [9] phi main::idx#4 = 0 [phi:main::@1->main::@2#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [9] phi main::i1#2 = 0 [phi:main::@1->main::@2#1] -- vbuz1=vbuc1
|
|
txa
|
|
sta.z i1
|
|
// [9] phi from main::@2 to main::@2 [phi:main::@2->main::@2]
|
|
// [9] phi main::idx#4 = main::idx#3 [phi:main::@2->main::@2#0] -- register_copy
|
|
// [9] phi main::i1#2 = main::i1#1 [phi:main::@2->main::@2#1] -- register_copy
|
|
// main::@2
|
|
__b2:
|
|
// SCREEN[idx++] = points[i].x
|
|
// [10] main::$7 = main::i1#2 << 1 -- vbuyy=vbuz1_rol_1
|
|
lda.z i1
|
|
asl
|
|
tay
|
|
// [11] main::SCREEN[main::idx#4] = ((byte*)points)[main::$7] -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_vbuyy
|
|
lda points,y
|
|
sta SCREEN,x
|
|
// SCREEN[idx++] = points[i].x;
|
|
// [12] main::idx#1 = ++ main::idx#4 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// SCREEN[idx++] = points[i].y
|
|
// [13] main::SCREEN[main::idx#1] = ((byte*)points+OFFSET_STRUCT_POINT_Y)[main::$7] -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_vbuyy
|
|
lda points+OFFSET_STRUCT_POINT_Y,y
|
|
sta SCREEN,x
|
|
// SCREEN[idx++] = points[i].y;
|
|
// [14] main::idx#2 = ++ main::idx#1 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// SCREEN[idx++] = ' '
|
|
// [15] main::SCREEN[main::idx#2] = ' ' -- pbuc1_derefidx_vbuxx=vbuc2
|
|
lda #' '
|
|
sta SCREEN,x
|
|
// SCREEN[idx++] = ' ';
|
|
// [16] main::idx#3 = ++ main::idx#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// for( byte i: 0..1)
|
|
// [17] main::i1#1 = ++ main::i1#2 -- vbuz1=_inc_vbuz1
|
|
inc.z i1
|
|
// [18] if(main::i1#1!=2) goto main::@2 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #2
|
|
cmp.z i1
|
|
bne __b2
|
|
// main::@return
|
|
// }
|
|
// [19] return
|
|
rts
|
|
}
|
|
// File Data
|
|
.segment Data
|
|
points: .fill 2*2, 0
|
|
|