mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-11-18 04:08:58 +00:00
675 lines
25 KiB
Plaintext
675 lines
25 KiB
Plaintext
Constantified RValue *((const struct Point*) points + (number~) main::$2) ← { x: (byte) 1, y: (byte) 2 }
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Constantified RValue *((const struct Point*) points + (number~) main::$3) ← { x: (byte) 3, y: (byte) 4 }
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Inlined call call _init
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CONTROL FLOW GRAPH SSA
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(void()) main()
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main: scope:[main] from _start::@1
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(byte) idx#16 ← phi( _start::@1/(byte) idx#15 )
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(number~) main::$2 ← (number) 0 * (const byte) SIZEOF_STRUCT_POINT
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*((const struct Point*) points + (number~) main::$2) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT)
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(number~) main::$3 ← (number) 1 * (const byte) SIZEOF_STRUCT_POINT
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*((const struct Point*) points + (number~) main::$3) ← memcpy(*(&(const struct Point) $1), struct Point, (const byte) SIZEOF_STRUCT_POINT)
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(byte) main::i#0 ← (byte) 0
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to:main::@1
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main::@1: scope:[main] from main main::@2
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(byte) idx#14 ← phi( main/(byte) idx#16 main::@2/(byte) idx#0 )
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(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@2/(byte) main::i#1 )
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(byte~) main::$4 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
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(byte) print::p_x#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (byte~) main::$4)
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(byte) print::p_y#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$4)
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call print
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to:main::@2
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main::@2: scope:[main] from main::@1
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(byte) main::i#3 ← phi( main::@1/(byte) main::i#2 )
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(byte) idx#8 ← phi( main::@1/(byte) idx#4 )
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(byte) idx#0 ← (byte) idx#8
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(byte) main::i#1 ← (byte) main::i#3 + rangenext(0,1)
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(bool~) main::$1 ← (byte) main::i#1 != rangelast(0,1)
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if((bool~) main::$1) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@2
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(byte) idx#9 ← phi( main::@2/(byte) idx#0 )
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(byte) idx#1 ← (byte) idx#9
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return
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to:@return
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(void()) print((byte) print::p_x , (byte) print::p_y)
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print: scope:[print] from main::@1
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(byte) print::p_y#1 ← phi( main::@1/(byte) print::p_y#0 )
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(byte) idx#10 ← phi( main::@1/(byte) idx#14 )
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(byte) print::p_x#1 ← phi( main::@1/(byte) print::p_x#0 )
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*((const nomodify byte*) SCREEN + (byte) idx#10) ← (byte) print::p_x#1
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(byte) idx#2 ← ++ (byte) idx#10
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*((const nomodify byte*) SCREEN + (byte) idx#2) ← (byte) print::p_y#1
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(byte) idx#3 ← ++ (byte) idx#2
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to:print::@return
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print::@return: scope:[print] from print
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(byte) idx#11 ← phi( print/(byte) idx#3 )
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(byte) idx#4 ← (byte) idx#11
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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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to:_start::_init1
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_start::_init1: scope:[_start] from _start
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(byte) idx#5 ← (byte) 0
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to:_start::@1
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_start::@1: scope:[_start] from _start::_init1
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(byte) idx#15 ← phi( _start::_init1/(byte) idx#5 )
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call main
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to:_start::@2
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_start::@2: scope:[_start] from _start::@1
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(byte) idx#12 ← phi( _start::@1/(byte) idx#1 )
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(byte) idx#6 ← (byte) idx#12
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to:_start::@return
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_start::@return: scope:[_start] from _start::@2
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(byte) idx#13 ← phi( _start::@2/(byte) idx#6 )
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(byte) idx#7 ← (byte) idx#13
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return
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to:@return
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SYMBOL TABLE SSA
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(const struct Point) $0 = { x: (byte) 1, y: (byte) 2 }
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(const struct Point) $1 = { x: (byte) 3, y: (byte) 4 }
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(const byte) OFFSET_STRUCT_POINT_X = (byte) 0
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(const byte) OFFSET_STRUCT_POINT_Y = (byte) 1
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(byte) Point::x
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(byte) Point::y
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(const nomodify byte*) SCREEN = (byte*)(number) $400
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(const byte) SIZEOF_STRUCT_POINT = (byte) 2
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(void()) _start()
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(label) _start::@1
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(label) _start::@2
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(label) _start::@return
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(label) _start::_init1
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(byte) idx
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(byte) idx#0
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(byte) idx#1
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(byte) idx#10
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(byte) idx#11
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(byte) idx#12
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(byte) idx#13
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(byte) idx#14
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(byte) idx#15
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(byte) idx#16
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(byte) idx#2
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(byte) idx#3
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(byte) idx#4
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(byte) idx#5
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(byte) idx#6
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(byte) idx#7
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(byte) idx#8
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(byte) idx#9
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(void()) main()
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(bool~) main::$1
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(number~) main::$2
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(number~) main::$3
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(byte~) main::$4
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(label) main::@1
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(label) main::@2
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(label) main::@return
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(byte) main::i
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(byte) main::i#0
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(byte) main::i#1
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(byte) main::i#2
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(byte) main::i#3
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(const struct Point*) points[(number) 2] = { fill( 2, 0) }
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(void()) print((byte) print::p_x , (byte) print::p_y)
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(label) print::@return
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(struct Point) print::p
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(byte) print::p_x
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(byte) print::p_x#0
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(byte) print::p_x#1
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(byte) print::p_y
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(byte) print::p_y#0
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(byte) print::p_y#1
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Adding number conversion cast (unumber) 0 in (number~) main::$2 ← (number) 0 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) main::$2 in (number~) main::$2 ← (unumber)(number) 0 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) 1 in (number~) main::$3 ← (number) 1 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) main::$3 in (number~) main::$3 ← (unumber)(number) 1 * (const byte) SIZEOF_STRUCT_POINT
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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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Simplifying constant integer cast 1
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 1
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inferred type updated to byte in (unumber~) main::$2 ← (byte) 0 * (const byte) SIZEOF_STRUCT_POINT
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Inferred type updated to byte in (unumber~) main::$3 ← (byte) 1 * (const byte) SIZEOF_STRUCT_POINT
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Alias main::i#2 = main::i#3
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Alias idx#0 = idx#8 idx#9 idx#1
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Alias idx#11 = idx#3 idx#4
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Alias idx#15 = idx#5
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Alias idx#12 = idx#6 idx#13 idx#7
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Successful SSA optimization Pass2AliasElimination
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Identical Phi Values (byte) idx#16 (byte) idx#15
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Identical Phi Values (byte) idx#0 (byte) idx#11
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Identical Phi Values (byte) print::p_x#1 (byte) print::p_x#0
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Identical Phi Values (byte) idx#10 (byte) idx#14
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Identical Phi Values (byte) print::p_y#1 (byte) print::p_y#0
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Identical Phi Values (byte) idx#12 (byte) idx#0
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Successful SSA optimization Pass2IdenticalPhiElimination
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Simple Condition (bool~) main::$1 [14] if((byte) main::i#1!=rangelast(0,1)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant right-side identified [1] (byte~) main::$2 ← (byte) 0 * (const byte) SIZEOF_STRUCT_POINT
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Constant right-side identified [3] (byte~) main::$3 ← (byte) 1 * (const byte) SIZEOF_STRUCT_POINT
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant (const byte) main::$2 = 0*SIZEOF_STRUCT_POINT
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Constant (const byte) main::$3 = 1*SIZEOF_STRUCT_POINT
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Constant (const byte) main::i#0 = 0
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Constant (const byte) idx#15 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [12] main::i#1 ← ++ main::i#2 to ++
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Resolved ranged comparison value [14] if(main::i#1!=rangelast(0,1)) goto main::@1 to (number) 2
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Simplifying constant evaluating to zero (byte) 0*(const byte) SIZEOF_STRUCT_POINT in
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Successful SSA optimization PassNSimplifyConstantZero
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Simplifying expression containing zero points in [2] *((const struct Point*) points + (const byte) main::$2) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT)
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Simplifying expression containing zero (byte*)points in [8] (byte) print::p_x#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (byte~) main::$4)
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Successful SSA optimization PassNSimplifyExpressionWithZero
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Eliminating unused constant (const byte) main::$2
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Eliminating unused constant (const byte) OFFSET_STRUCT_POINT_X
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Successful SSA optimization PassNEliminateUnusedVars
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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::_init1
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Removing unused procedure block _start::@1
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Removing unused procedure block _start::@2
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Removing unused procedure block _start::@return
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Successful SSA optimization PassNEliminateEmptyStart
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Adding number conversion cast (unumber) 2 in [8] if((byte) main::i#1!=(number) 2) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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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 (byte) 2
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Rewriting multiplication to use shift [3] (byte~) main::$4 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
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Successful SSA optimization Pass2MultiplyToShiftRewriting
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Inlining constant with var siblings (const byte) main::i#0
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Inlining constant with var siblings (const byte) idx#15
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Constant inlined main::i#0 = (byte) 0
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Constant inlined main::$3 = (byte) 1*(const byte) SIZEOF_STRUCT_POINT
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Constant inlined idx#15 = (byte) 0
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Successful SSA optimization Pass2ConstantInlining
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Consolidated array index constant in *(points+1*SIZEOF_STRUCT_POINT)
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Successful SSA optimization Pass2ConstantAdditionElimination
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Added new block during phi lifting main::@3(between main::@2 and main::@1)
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CALL GRAPH
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Calls in [main] to print:6
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Created 2 initial phi equivalence classes
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Coalesced [10] main::i#4 ← main::i#1
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Coalesced [11] idx#17 ← idx#11
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Coalesced down to 2 phi equivalence classes
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Culled Empty Block (label) main::@3
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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] *((const struct Point*) points) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT)
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[1] *((const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← memcpy(*(&(const struct Point) $1), struct Point, (const byte) SIZEOF_STRUCT_POINT)
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to:main::@1
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main::@1: scope:[main] from main main::@2
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[2] (byte) idx#14 ← phi( main/(byte) 0 main::@2/(byte) idx#11 )
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[2] (byte) main::i#2 ← phi( main/(byte) 0 main::@2/(byte) main::i#1 )
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[3] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1
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[4] (byte) print::p_x#0 ← *((byte*)(const struct Point*) points + (byte~) main::$4)
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[5] (byte) print::p_y#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$4)
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[6] call print
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to:main::@2
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main::@2: scope:[main] from main::@1
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[7] (byte) main::i#1 ← ++ (byte) main::i#2
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[8] if((byte) main::i#1!=(byte) 2) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@2
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[9] return
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to:@return
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(void()) print((byte) print::p_x , (byte) print::p_y)
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print: scope:[print] from main::@1
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[10] *((const nomodify byte*) SCREEN + (byte) idx#14) ← (byte) print::p_x#0
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[11] (byte) idx#2 ← ++ (byte) idx#14
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[12] *((const nomodify byte*) SCREEN + (byte) idx#2) ← (byte) print::p_y#0
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[13] (byte) idx#11 ← ++ (byte) idx#2
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to:print::@return
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print::@return: scope:[print] from print
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[14] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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(byte) Point::x
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(byte) Point::y
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(byte) idx
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(byte) idx#11 22.4
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(byte) idx#14 42.599999999999994
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(byte) idx#2 151.5
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(void()) main()
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(byte~) main::$4 16.5
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(byte) main::i
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(byte) main::i#1 16.5
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(byte) main::i#2 6.6000000000000005
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(void()) print((byte) print::p_x , (byte) print::p_y)
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(struct Point) print::p
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(byte) print::p_x
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(byte) print::p_x#0 56.0
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(byte) print::p_y
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(byte) print::p_y#0 37.33333333333333
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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[ idx#14 idx#11 ]
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Added variable main::$4 to live range equivalence class [ main::$4 ]
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Added variable print::p_x#0 to live range equivalence class [ print::p_x#0 ]
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Added variable print::p_y#0 to live range equivalence class [ print::p_y#0 ]
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Added variable idx#2 to live range equivalence class [ idx#2 ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ idx#14 idx#11 ]
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[ main::$4 ]
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[ print::p_x#0 ]
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[ print::p_y#0 ]
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[ idx#2 ]
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Allocated zp[1]:2 [ main::i#2 main::i#1 ]
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Allocated zp[1]:3 [ idx#14 idx#11 ]
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Allocated zp[1]:4 [ main::$4 ]
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Allocated zp[1]:5 [ print::p_x#0 ]
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Allocated zp[1]:6 [ print::p_y#0 ]
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Allocated zp[1]:7 [ idx#2 ]
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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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// Demonstrates problem with passing struct array element as parameter to call
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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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.const SIZEOF_STRUCT_POINT = 2
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.const OFFSET_STRUCT_POINT_Y = 1
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.label SCREEN = $400
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.label idx = 7
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.label idx_1 = 3
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// main
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main: {
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.label __4 = 4
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.label i = 2
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// [0] *((const struct Point*) points) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
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ldy #SIZEOF_STRUCT_POINT
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!:
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lda __0-1,y
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sta points-1,y
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dey
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bne !-
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// [1] *((const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← memcpy(*(&(const struct Point) $1), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
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ldy #SIZEOF_STRUCT_POINT
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!:
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lda __1-1,y
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sta points+1*SIZEOF_STRUCT_POINT-1,y
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dey
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bne !-
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// [2] phi from main to main::@1 [phi:main->main::@1]
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__b1_from_main:
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// [2] phi (byte) idx#14 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
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lda #0
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sta.z idx_1
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// [2] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- vbuz1=vbuc1
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lda #0
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sta.z i
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jmp __b1
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// [2] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
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__b1_from___b2:
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// [2] phi (byte) idx#14 = (byte) idx#11 [phi:main::@2->main::@1#0] -- register_copy
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// [2] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy
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jmp __b1
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// main::@1
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__b1:
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// [3] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 -- vbuz1=vbuz2_rol_1
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lda.z i
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asl
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sta.z __4
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// [4] (byte) print::p_x#0 ← *((byte*)(const struct Point*) points + (byte~) main::$4) -- vbuz1=pbuc1_derefidx_vbuz2
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ldy.z __4
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lda points,y
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sta.z print.p_x
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// [5] (byte) print::p_y#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$4) -- vbuz1=pbuc1_derefidx_vbuz2
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ldy.z __4
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lda points+OFFSET_STRUCT_POINT_Y,y
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sta.z print.p_y
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// [6] call print
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jsr print
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jmp __b2
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// main::@2
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__b2:
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// [7] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
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inc.z i
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// [8] if((byte) main::i#1!=(byte) 2) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #2
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cmp.z i
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bne __b1_from___b2
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jmp __breturn
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// main::@return
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__breturn:
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// [9] return
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rts
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}
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// print
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// print(byte zp(5) p_x, byte zp(6) p_y)
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print: {
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.label p_x = 5
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.label p_y = 6
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// [10] *((const nomodify byte*) SCREEN + (byte) idx#14) ← (byte) print::p_x#0 -- pbuc1_derefidx_vbuz1=vbuz2
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lda.z p_x
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ldy.z idx_1
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sta SCREEN,y
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// [11] (byte) idx#2 ← ++ (byte) idx#14 -- vbuz1=_inc_vbuz2
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ldy.z idx_1
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iny
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sty.z idx
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// [12] *((const nomodify byte*) SCREEN + (byte) idx#2) ← (byte) print::p_y#0 -- pbuc1_derefidx_vbuz1=vbuz2
|
|
lda.z p_y
|
|
ldy.z idx
|
|
sta SCREEN,y
|
|
// [13] (byte) idx#11 ← ++ (byte) idx#2 -- vbuz1=_inc_vbuz2
|
|
ldy.z idx
|
|
iny
|
|
sty.z idx_1
|
|
jmp __breturn
|
|
// print::@return
|
|
__breturn:
|
|
// [14] return
|
|
rts
|
|
}
|
|
// File Data
|
|
points: .fill 2*2, 0
|
|
__0: .byte 1, 2
|
|
__1: .byte 3, 4
|
|
|
|
REGISTER UPLIFT POTENTIAL REGISTERS
|
|
Statement [0] *((const struct Point*) points) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT) [ ] ( [ ] { } ) always clobbers reg byte a reg byte y
|
|
Statement [1] *((const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← memcpy(*(&(const struct Point) $1), struct Point, (const byte) SIZEOF_STRUCT_POINT) [ ] ( [ ] { } ) always clobbers reg byte a reg byte y
|
|
Statement [3] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 [ main::i#2 idx#14 main::$4 ] ( [ main::i#2 idx#14 main::$4 ] { } ) 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]:3 [ idx#14 idx#11 ]
|
|
Statement [0] *((const struct Point*) points) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT) [ ] ( [ ] { } ) always clobbers reg byte a reg byte y
|
|
Statement [1] *((const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← memcpy(*(&(const struct Point) $1), struct Point, (const byte) SIZEOF_STRUCT_POINT) [ ] ( [ ] { } ) always clobbers reg byte a reg byte y
|
|
Statement [3] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 [ main::i#2 idx#14 main::$4 ] ( [ main::i#2 idx#14 main::$4 ] { } ) 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 [ idx#14 idx#11 ] : zp[1]:3 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:4 [ main::$4 ] : zp[1]:4 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:5 [ print::p_x#0 ] : zp[1]:5 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:6 [ print::p_y#0 ] : zp[1]:6 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:7 [ idx#2 ] : zp[1]:7 , reg byte a , reg byte x , reg byte y ,
|
|
|
|
REGISTER UPLIFT SCOPES
|
|
Uplift Scope [] 151.5: zp[1]:7 [ idx#2 ] 65: zp[1]:3 [ idx#14 idx#11 ]
|
|
Uplift Scope [print] 56: zp[1]:5 [ print::p_x#0 ] 37.33: zp[1]:6 [ print::p_y#0 ]
|
|
Uplift Scope [main] 23.1: zp[1]:2 [ main::i#2 main::i#1 ] 16.5: zp[1]:4 [ main::$4 ]
|
|
Uplift Scope [Point]
|
|
|
|
Uplifting [] best 732 combination reg byte x [ idx#2 ] reg byte x [ idx#14 idx#11 ]
|
|
Uplifting [print] best 732 combination zp[1]:5 [ print::p_x#0 ] zp[1]:6 [ print::p_y#0 ]
|
|
Uplifting [main] best 662 combination zp[1]:2 [ main::i#2 main::i#1 ] reg byte y [ main::$4 ]
|
|
Uplifting [Point] best 662 combination
|
|
Attempting to uplift remaining variables inzp[1]:5 [ print::p_x#0 ]
|
|
Uplifting [print] best 662 combination zp[1]:5 [ print::p_x#0 ]
|
|
Attempting to uplift remaining variables inzp[1]:6 [ print::p_y#0 ]
|
|
Uplifting [print] best 651 combination reg byte y [ print::p_y#0 ]
|
|
Attempting to uplift remaining variables inzp[1]:2 [ main::i#2 main::i#1 ]
|
|
Uplifting [main] best 651 combination zp[1]:2 [ main::i#2 main::i#1 ]
|
|
Allocated (was zp[1]:5) zp[1]:3 [ print::p_x#0 ]
|
|
|
|
ASSEMBLER BEFORE OPTIMIZATION
|
|
// File Comments
|
|
// Demonstrates problem with passing struct array element as parameter to call
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
.const SIZEOF_STRUCT_POINT = 2
|
|
.const OFFSET_STRUCT_POINT_Y = 1
|
|
.label SCREEN = $400
|
|
// main
|
|
main: {
|
|
.label i = 2
|
|
// [0] *((const struct Point*) points) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
|
|
ldy #SIZEOF_STRUCT_POINT
|
|
!:
|
|
lda __0-1,y
|
|
sta points-1,y
|
|
dey
|
|
bne !-
|
|
// [1] *((const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← memcpy(*(&(const struct Point) $1), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
|
|
ldy #SIZEOF_STRUCT_POINT
|
|
!:
|
|
lda __1-1,y
|
|
sta points+1*SIZEOF_STRUCT_POINT-1,y
|
|
dey
|
|
bne !-
|
|
// [2] phi from main to main::@1 [phi:main->main::@1]
|
|
__b1_from_main:
|
|
// [2] phi (byte) idx#14 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [2] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z i
|
|
jmp __b1
|
|
// [2] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
|
|
__b1_from___b2:
|
|
// [2] phi (byte) idx#14 = (byte) idx#11 [phi:main::@2->main::@1#0] -- register_copy
|
|
// [2] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy
|
|
jmp __b1
|
|
// main::@1
|
|
__b1:
|
|
// [3] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 -- vbuyy=vbuz1_rol_1
|
|
lda.z i
|
|
asl
|
|
tay
|
|
// [4] (byte) print::p_x#0 ← *((byte*)(const struct Point*) points + (byte~) main::$4) -- vbuz1=pbuc1_derefidx_vbuyy
|
|
lda points,y
|
|
sta.z print.p_x
|
|
// [5] (byte) print::p_y#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$4) -- vbuyy=pbuc1_derefidx_vbuyy
|
|
lda points+OFFSET_STRUCT_POINT_Y,y
|
|
tay
|
|
// [6] call print
|
|
jsr print
|
|
jmp __b2
|
|
// main::@2
|
|
__b2:
|
|
// [7] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
|
|
inc.z i
|
|
// [8] if((byte) main::i#1!=(byte) 2) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #2
|
|
cmp.z i
|
|
bne __b1_from___b2
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [9] return
|
|
rts
|
|
}
|
|
// print
|
|
// print(byte zp(3) p_x, byte register(Y) p_y)
|
|
print: {
|
|
.label p_x = 3
|
|
// [10] *((const nomodify byte*) SCREEN + (byte) idx#14) ← (byte) print::p_x#0 -- pbuc1_derefidx_vbuxx=vbuz1
|
|
lda.z p_x
|
|
sta SCREEN,x
|
|
// [11] (byte) idx#2 ← ++ (byte) idx#14 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [12] *((const nomodify byte*) SCREEN + (byte) idx#2) ← (byte) print::p_y#0 -- pbuc1_derefidx_vbuxx=vbuyy
|
|
tya
|
|
sta SCREEN,x
|
|
// [13] (byte) idx#11 ← ++ (byte) idx#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
jmp __breturn
|
|
// print::@return
|
|
__breturn:
|
|
// [14] return
|
|
rts
|
|
}
|
|
// File Data
|
|
points: .fill 2*2, 0
|
|
__0: .byte 1, 2
|
|
__1: .byte 3, 4
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __breturn
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Replacing instruction lda #0 with TXA
|
|
Replacing label __b1_from___b2 with __b1
|
|
Removing instruction __b1_from___b2:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __b1_from_main:
|
|
Removing instruction __b2:
|
|
Removing instruction __breturn:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Removing instruction jmp __b1
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
(const struct Point) $0 = { x: (byte) 1, y: (byte) 2 }
|
|
(const struct Point) $1 = { x: (byte) 3, y: (byte) 4 }
|
|
(const byte) OFFSET_STRUCT_POINT_Y = (byte) 1
|
|
(byte) Point::x
|
|
(byte) Point::y
|
|
(const nomodify byte*) SCREEN = (byte*) 1024
|
|
(const byte) SIZEOF_STRUCT_POINT = (byte) 2
|
|
(byte) idx
|
|
(byte) idx#11 reg byte x 22.4
|
|
(byte) idx#14 reg byte x 42.599999999999994
|
|
(byte) idx#2 reg byte x 151.5
|
|
(void()) main()
|
|
(byte~) main::$4 reg byte y 16.5
|
|
(label) main::@1
|
|
(label) main::@2
|
|
(label) main::@return
|
|
(byte) main::i
|
|
(byte) main::i#1 i zp[1]:2 16.5
|
|
(byte) main::i#2 i zp[1]:2 6.6000000000000005
|
|
(const struct Point*) points[(number) 2] = { fill( 2, 0) }
|
|
(void()) print((byte) print::p_x , (byte) print::p_y)
|
|
(label) print::@return
|
|
(struct Point) print::p
|
|
(byte) print::p_x
|
|
(byte) print::p_x#0 p_x zp[1]:3 56.0
|
|
(byte) print::p_y
|
|
(byte) print::p_y#0 reg byte y 37.33333333333333
|
|
|
|
zp[1]:2 [ main::i#2 main::i#1 ]
|
|
reg byte x [ idx#14 idx#11 ]
|
|
reg byte y [ main::$4 ]
|
|
zp[1]:3 [ print::p_x#0 ]
|
|
reg byte y [ print::p_y#0 ]
|
|
reg byte x [ idx#2 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 528
|
|
|
|
// File Comments
|
|
// Demonstrates problem with passing struct array element as parameter to call
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
.const SIZEOF_STRUCT_POINT = 2
|
|
.const OFFSET_STRUCT_POINT_Y = 1
|
|
.label SCREEN = $400
|
|
// main
|
|
main: {
|
|
.label i = 2
|
|
// points[0] = { 1, 2 }
|
|
// [0] *((const struct Point*) points) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
|
|
ldy #SIZEOF_STRUCT_POINT
|
|
!:
|
|
lda __0-1,y
|
|
sta points-1,y
|
|
dey
|
|
bne !-
|
|
// points[1] = { 3, 4 }
|
|
// [1] *((const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← memcpy(*(&(const struct Point) $1), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
|
|
ldy #SIZEOF_STRUCT_POINT
|
|
!:
|
|
lda __1-1,y
|
|
sta points+1*SIZEOF_STRUCT_POINT-1,y
|
|
dey
|
|
bne !-
|
|
// [2] phi from main to main::@1 [phi:main->main::@1]
|
|
// [2] phi (byte) idx#14 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [2] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- vbuz1=vbuc1
|
|
txa
|
|
sta.z i
|
|
// [2] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
|
|
// [2] phi (byte) idx#14 = (byte) idx#11 [phi:main::@2->main::@1#0] -- register_copy
|
|
// [2] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy
|
|
// main::@1
|
|
__b1:
|
|
// print(points[i])
|
|
// [3] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 -- vbuyy=vbuz1_rol_1
|
|
lda.z i
|
|
asl
|
|
tay
|
|
// [4] (byte) print::p_x#0 ← *((byte*)(const struct Point*) points + (byte~) main::$4) -- vbuz1=pbuc1_derefidx_vbuyy
|
|
lda points,y
|
|
sta.z print.p_x
|
|
// [5] (byte) print::p_y#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$4) -- vbuyy=pbuc1_derefidx_vbuyy
|
|
lda points+OFFSET_STRUCT_POINT_Y,y
|
|
tay
|
|
// [6] call print
|
|
jsr print
|
|
// main::@2
|
|
// for ( char i: 0..1)
|
|
// [7] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
|
|
inc.z i
|
|
// [8] if((byte) main::i#1!=(byte) 2) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #2
|
|
cmp.z i
|
|
bne __b1
|
|
// main::@return
|
|
// }
|
|
// [9] return
|
|
rts
|
|
}
|
|
// print
|
|
// print(byte zp(3) p_x, byte register(Y) p_y)
|
|
print: {
|
|
.label p_x = 3
|
|
// SCREEN[idx++] = p.x
|
|
// [10] *((const nomodify byte*) SCREEN + (byte) idx#14) ← (byte) print::p_x#0 -- pbuc1_derefidx_vbuxx=vbuz1
|
|
lda.z p_x
|
|
sta SCREEN,x
|
|
// SCREEN[idx++] = p.x;
|
|
// [11] (byte) idx#2 ← ++ (byte) idx#14 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// SCREEN[idx++] = p.y
|
|
// [12] *((const nomodify byte*) SCREEN + (byte) idx#2) ← (byte) print::p_y#0 -- pbuc1_derefidx_vbuxx=vbuyy
|
|
tya
|
|
sta SCREEN,x
|
|
// SCREEN[idx++] = p.y;
|
|
// [13] (byte) idx#11 ← ++ (byte) idx#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// print::@return
|
|
// }
|
|
// [14] return
|
|
rts
|
|
}
|
|
// File Data
|
|
points: .fill 2*2, 0
|
|
__0: .byte 1, 2
|
|
__1: .byte 3, 4
|
|
|