mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-10-21 02:24:34 +00:00
866 lines
32 KiB
Plaintext
866 lines
32 KiB
Plaintext
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Fixing pointer array-indexing *((struct Point[4]) points + (byte) main::i)
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Created struct value member variable (byte) print::p_x
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Created struct value member variable (signed word) print::p_y
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Converted struct value to member variables (struct Point) print::p
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Converted procedure struct value parameter to member unwinding (void()) print((byte) print::p_x , (signed word) print::p_y)
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Converted procedure struct value parameter to member unwinding in call (void~) main::$0 ← call print *((byte*) main::$3 + (byte~) main::$2) *((signed word*) main::$4 + (byte~) main::$2)
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Replacing struct member reference (struct Point) print::p.x with member unwinding reference (byte) print::p_x
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Replacing struct member reference (struct Point) print::p.y with member unwinding reference (signed word) print::p_y
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Replacing struct member reference (struct Point) print::p.y with member unwinding reference (signed word) print::p_y
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Culled Empty Block (label) main::@2
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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(struct Point[4]) points#0 ← { { (number) 1, (number) $83f }, { (number) 3, (number) $107e } }
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to:@1
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main: scope:[main] from @2
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(byte) idx#16 ← phi( @2/(byte) idx#15 )
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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::@3
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(byte) idx#14 ← phi( main/(byte) idx#16 main::@3/(byte) idx#0 )
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(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@3/(byte) main::i#1 )
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(byte~) main::$2 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
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(byte) print::p_x#0 ← *((byte*) main::$3 + (byte~) main::$2)
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(signed word) print::p_y#0 ← *((signed word*) main::$4 + (byte~) main::$2)
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call print
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to:main::@3
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main::@3: 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#9 ← phi( main::@1/(byte) idx#7 )
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(byte) idx#0 ← (byte) idx#9
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(byte*) main::$3 ← (byte*)(struct Point[4]) points#0 + (const byte) OFFSET_STRUCT_POINT_X
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(signed word*) main::$4 ← (signed word*)(struct Point[4]) points#0 + (const byte) OFFSET_STRUCT_POINT_Y
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(byte) main::i#1 ← (byte) main::i#3 + rangenext(0,3)
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(bool~) main::$1 ← (byte) main::i#1 != rangelast(0,3)
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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::@3
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(byte) idx#10 ← phi( main::@3/(byte) idx#0 )
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(byte) idx#1 ← (byte) idx#10
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return
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to:@return
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@1: scope:[] from @begin
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(byte*) SCREEN#0 ← ((byte*)) (number) $400
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(byte) idx#2 ← (number) 0
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to:@2
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print: scope:[print] from main::@1
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(signed word) print::p_y#1 ← phi( main::@1/(signed word) print::p_y#0 )
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(byte) idx#11 ← 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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*((byte*) SCREEN#0 + (byte) idx#11) ← (byte) print::p_x#1
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(byte) idx#3 ← ++ (byte) idx#11
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(byte~) print::$0 ← < (signed word) print::p_y#1
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*((byte*) SCREEN#0 + (byte) idx#3) ← (byte~) print::$0
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(byte) idx#4 ← ++ (byte) idx#3
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(byte~) print::$1 ← > (signed word) print::p_y#1
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*((byte*) SCREEN#0 + (byte) idx#4) ← (byte~) print::$1
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(byte) idx#5 ← ++ (byte) idx#4
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*((byte*) SCREEN#0 + (byte) idx#5) ← (byte) ' '
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(byte) idx#6 ← ++ (byte) idx#5
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to:print::@return
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print::@return: scope:[print] from print
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(byte) idx#12 ← phi( print/(byte) idx#6 )
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(byte) idx#7 ← (byte) idx#12
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return
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to:@return
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@2: scope:[] from @1
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(byte) idx#15 ← phi( @1/(byte) idx#2 )
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call main
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to:@3
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@3: scope:[] from @2
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(byte) idx#13 ← phi( @2/(byte) idx#1 )
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(byte) idx#8 ← (byte) idx#13
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to:@end
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@end: scope:[] from @3
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SYMBOL TABLE SSA
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(label) @1
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(label) @2
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(label) @3
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(label) @begin
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(label) @end
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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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(signed word) Point::y
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(byte*) SCREEN
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(byte*) SCREEN#0
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(const byte) SIZEOF_STRUCT_POINT = (byte) 3
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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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(byte~) main::$2
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(byte*) main::$3
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(signed word*) main::$4
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(label) main::@1
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(label) main::@3
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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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(struct Point[4]) points
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(struct Point[4]) points#0
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(void()) print((byte) print::p_x , (signed word) print::p_y)
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(byte~) print::$0
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(byte~) print::$1
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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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(signed word) print::p_y
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(signed word) print::p_y#0
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(signed word) print::p_y#1
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Adding number conversion cast (unumber) 0 in (byte) idx#2 ← (number) 0
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Successful SSA optimization PassNAddNumberTypeConversions
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Added casts to value list in (struct Point[4]) points#0 ← (struct Point[4]){ (struct Point){ (byte)(number) 1, (signed word)(number) $83f }, (struct Point){ (byte)(number) 3, (signed word)(number) $107e } }
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Successful SSA optimization PassNAddInitializerValueListTypeCasts
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Inlining cast (byte*) SCREEN#0 ← (byte*)(number) $400
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Inlining cast (byte) idx#2 ← (unumber)(number) 0
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Successful SSA optimization Pass2InlineCast
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Simplifying constant integer cast 1
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Simplifying constant integer cast $83f
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Simplifying constant integer cast 3
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Simplifying constant integer cast $107e
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Simplifying constant pointer cast (byte*) 1024
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Simplifying constant integer cast 0
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 0
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Alias (byte) main::i#2 = (byte) main::i#3
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Alias (byte) idx#0 = (byte) idx#9 (byte) idx#10 (byte) idx#1
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Alias (byte) idx#12 = (byte) idx#6 (byte) idx#7
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Alias (byte) idx#15 = (byte) idx#2
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Alias (byte) idx#13 = (byte) idx#8
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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#12
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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#11 (byte) idx#14
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Identical Phi Values (signed word) print::p_y#1 (signed word) print::p_y#0
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Identical Phi Values (byte) idx#13 (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(0,3)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Identified constant from value list (struct Point) { x: (byte) 1, y: (signed word) $83f }
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Identified constant from value list (struct Point) { x: (byte) 3, y: (signed word) $107e }
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Successful SSA optimization Pass2ConstantInitializerValueLists
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Identified constant from value list (struct Point[4]) { { x: (byte) 1, y: (signed word) $83f }, { x: (byte) 3, y: (signed word) $107e } }
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Successful SSA optimization Pass2ConstantInitializerValueLists
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Constant (const struct Point[4]) points#0 = { { x: 1, y: $83f }, { x: 3, y: $107e } }
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Constant (const byte) main::i#0 = 0
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Constant (const byte*) SCREEN#0 = (byte*) 1024
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Constant (const byte) idx#15 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Constant value identified (byte*)points#0 in [10] (byte*) main::$3 ← (byte*)(const struct Point[4]) points#0 + (const byte) OFFSET_STRUCT_POINT_X
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Constant value identified (signed word*)points#0 in [11] (signed word*) main::$4 ← (signed word*)(const struct Point[4]) points#0 + (const byte) OFFSET_STRUCT_POINT_Y
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Successful SSA optimization Pass2ConstantValues
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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(0,3)) goto main::@1 to (number) 4
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Simplifying expression containing zero (byte*)points#0 in [10] (byte*) main::$3 ← (byte*)(const struct Point[4]) points#0 + (const byte) OFFSET_STRUCT_POINT_X
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Successful SSA optimization PassNSimplifyExpressionWithZero
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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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Adding number conversion cast (unumber) 4 in if((byte) main::i#1!=(number) 4) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast 4
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 4
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Constant right-side identified [6] (signed word*) main::$4 ← (signed word*)(const struct Point[4]) points#0 + (const byte) OFFSET_STRUCT_POINT_Y
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant (const byte*) main::$3 = (byte*)points#0
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Constant (const signed word*) main::$4 = (signed word*)points#0+OFFSET_STRUCT_POINT_Y
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Successful SSA optimization Pass2ConstantIdentification
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Rewriting multiplication to use shift and addition[1] (byte~) main::$2 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
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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*)(const struct Point[4]) points#0
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Constant inlined main::$4 = (signed word*)(const struct Point[4]) points#0+(const byte) OFFSET_STRUCT_POINT_Y
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Constant inlined idx#15 = (byte) 0
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Successful SSA optimization Pass2ConstantInlining
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Alias (byte~) main::$2 = (byte) main::$6
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Successful SSA optimization Pass2AliasElimination
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Eliminating unused constant (const byte) SIZEOF_STRUCT_POINT
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Successful SSA optimization PassNEliminateUnusedVars
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Added new block during phi lifting main::@4(between main::@3 and main::@1)
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @3
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main
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CALL GRAPH
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Calls in [] to main:3
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Calls in [main] to print:12
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Created 2 initial phi equivalence classes
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Coalesced [16] main::i#4 ← main::i#1
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Coalesced [17] idx#17 ← idx#12
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Coalesced down to 2 phi equivalence classes
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Culled Empty Block (label) @1
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Culled Empty Block (label) @3
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Culled Empty Block (label) main::@4
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Renumbering block @2 to @1
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Renumbering block main::@3 to main::@2
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main
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FINAL CONTROL FLOW GRAPH
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@begin: scope:[] from
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[0] phi()
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to:@1
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@1: scope:[] from @begin
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[1] phi()
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[2] call main
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to:@end
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@end: scope:[] from @1
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[3] phi()
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main: scope:[main] from @1
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[4] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@2
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[5] (byte) idx#14 ← phi( main/(byte) 0 main::@2/(byte) idx#12 )
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[5] (byte) main::i#2 ← phi( main/(byte) 0 main::@2/(byte) main::i#1 )
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[6] (byte) main::$5 ← (byte) main::i#2 << (byte) 1
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[7] (byte~) main::$2 ← (byte) main::$5 + (byte) main::i#2
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[8] (byte) print::p_x#0 ← *((byte*)(const struct Point[4]) points#0 + (byte~) main::$2)
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[9] (signed word) print::p_y#0 ← *((signed word*)(const struct Point[4]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$2)
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[10] call print
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to:main::@2
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main::@2: scope:[main] from main::@1
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[11] (byte) main::i#1 ← ++ (byte) main::i#2
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[12] if((byte) main::i#1!=(byte) 4) 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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[13] return
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to:@return
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print: scope:[print] from main::@1
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[14] *((const byte*) SCREEN#0 + (byte) idx#14) ← (byte) print::p_x#0
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[15] (byte) idx#3 ← ++ (byte) idx#14
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[16] (byte~) print::$0 ← < (signed word) print::p_y#0
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[17] *((const byte*) SCREEN#0 + (byte) idx#3) ← (byte~) print::$0
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[18] (byte) idx#4 ← ++ (byte) idx#3
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[19] (byte~) print::$1 ← > (signed word) print::p_y#0
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[20] *((const byte*) SCREEN#0 + (byte) idx#4) ← (byte~) print::$1
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[21] (byte) idx#5 ← ++ (byte) idx#4
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[22] *((const byte*) SCREEN#0 + (byte) idx#5) ← (byte) ' '
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[23] (byte) idx#12 ← ++ (byte) idx#5
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to:print::@return
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print::@return: scope:[print] from print
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[24] 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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(signed word) Point::y
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(byte*) SCREEN
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(byte) idx
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(byte) idx#12 2.6
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(byte) idx#14 2.5
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(byte) idx#3 2.0
|
||
|
|
(byte) idx#4 2.0
|
||
|
|
(byte) idx#5 3.0
|
||
|
|
(void()) main()
|
||
|
|
(byte~) main::$2 16.5
|
||
|
|
(byte) main::$5 22.0
|
||
|
|
(byte) main::i
|
||
|
|
(byte) main::i#1 16.5
|
||
|
|
(byte) main::i#2 7.333333333333333
|
||
|
|
(struct Point[4]) points
|
||
|
|
(void()) print((byte) print::p_x , (signed word) print::p_y)
|
||
|
|
(byte~) print::$0 4.0
|
||
|
|
(byte~) print::$1 4.0
|
||
|
|
(struct Point) print::p
|
||
|
|
(byte) print::p_x
|
||
|
|
(byte) print::p_x#0 6.5
|
||
|
|
(signed word) print::p_y
|
||
|
|
(signed word) print::p_y#0 2.5
|
||
|
|
|
||
|
|
Initial phi equivalence classes
|
||
|
|
[ main::i#2 main::i#1 ]
|
||
|
|
[ idx#14 idx#12 ]
|
||
|
|
Added variable main::$5 to zero page equivalence class [ main::$5 ]
|
||
|
|
Added variable main::$2 to zero page equivalence class [ main::$2 ]
|
||
|
|
Added variable print::p_x#0 to zero page equivalence class [ print::p_x#0 ]
|
||
|
|
Added variable print::p_y#0 to zero page equivalence class [ print::p_y#0 ]
|
||
|
|
Added variable idx#3 to zero page equivalence class [ idx#3 ]
|
||
|
|
Added variable print::$0 to zero page equivalence class [ print::$0 ]
|
||
|
|
Added variable idx#4 to zero page equivalence class [ idx#4 ]
|
||
|
|
Added variable print::$1 to zero page equivalence class [ print::$1 ]
|
||
|
|
Added variable idx#5 to zero page equivalence class [ idx#5 ]
|
||
|
|
Complete equivalence classes
|
||
|
|
[ main::i#2 main::i#1 ]
|
||
|
|
[ idx#14 idx#12 ]
|
||
|
|
[ main::$5 ]
|
||
|
|
[ main::$2 ]
|
||
|
|
[ print::p_x#0 ]
|
||
|
|
[ print::p_y#0 ]
|
||
|
|
[ idx#3 ]
|
||
|
|
[ print::$0 ]
|
||
|
|
[ idx#4 ]
|
||
|
|
[ print::$1 ]
|
||
|
|
[ idx#5 ]
|
||
|
|
Allocated zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
|
||
|
|
Allocated zp ZP_BYTE:3 [ idx#14 idx#12 ]
|
||
|
|
Allocated zp ZP_BYTE:4 [ main::$5 ]
|
||
|
|
Allocated zp ZP_BYTE:5 [ main::$2 ]
|
||
|
|
Allocated zp ZP_BYTE:6 [ print::p_x#0 ]
|
||
|
|
Allocated zp ZP_WORD:7 [ print::p_y#0 ]
|
||
|
|
Allocated zp ZP_BYTE:9 [ idx#3 ]
|
||
|
|
Allocated zp ZP_BYTE:10 [ print::$0 ]
|
||
|
|
Allocated zp ZP_BYTE:11 [ idx#4 ]
|
||
|
|
Allocated zp ZP_BYTE:12 [ print::$1 ]
|
||
|
|
Allocated zp ZP_BYTE:13 [ idx#5 ]
|
||
|
|
|
||
|
|
INITIAL ASM
|
||
|
|
Target platform is c64basic / MOS6502X
|
||
|
|
// File Comments
|
||
|
|
// Test a struct array initialized with to few members (zero-filled for the rest)
|
||
|
|
// Upstart
|
||
|
|
.pc = $801 "Basic"
|
||
|
|
:BasicUpstart(bbegin)
|
||
|
|
.pc = $80d "Program"
|
||
|
|
// Global Constants & labels
|
||
|
|
.const OFFSET_STRUCT_POINT_Y = 1
|
||
|
|
.label SCREEN = $400
|
||
|
|
.label idx = 9
|
||
|
|
.label idx_4 = $b
|
||
|
|
.label idx_5 = $d
|
||
|
|
.label idx_12 = 3
|
||
|
|
.label idx_14 = 3
|
||
|
|
// @begin
|
||
|
|
bbegin:
|
||
|
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
||
|
|
b1_from_bbegin:
|
||
|
|
jmp b1
|
||
|
|
// @1
|
||
|
|
b1:
|
||
|
|
// [2] call main
|
||
|
|
// [4] phi from @1 to main [phi:@1->main]
|
||
|
|
main_from_b1:
|
||
|
|
jsr main
|
||
|
|
// [3] phi from @1 to @end [phi:@1->@end]
|
||
|
|
bend_from_b1:
|
||
|
|
jmp bend
|
||
|
|
// @end
|
||
|
|
bend:
|
||
|
|
// main
|
||
|
|
main: {
|
||
|
|
.label _2 = 5
|
||
|
|
.label i = 2
|
||
|
|
.label _5 = 4
|
||
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
||
|
|
b1_from_main:
|
||
|
|
// [5] phi (byte) idx#14 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
||
|
|
lda #0
|
||
|
|
sta.z idx_14
|
||
|
|
// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- vbuz1=vbuc1
|
||
|
|
lda #0
|
||
|
|
sta.z i
|
||
|
|
jmp b1
|
||
|
|
// [5] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
|
||
|
|
b1_from_b2:
|
||
|
|
// [5] phi (byte) idx#14 = (byte) idx#12 [phi:main::@2->main::@1#0] -- register_copy
|
||
|
|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy
|
||
|
|
jmp b1
|
||
|
|
// main::@1
|
||
|
|
b1:
|
||
|
|
// [6] (byte) main::$5 ← (byte) main::i#2 << (byte) 1 -- vbuz1=vbuz2_rol_1
|
||
|
|
lda.z i
|
||
|
|
asl
|
||
|
|
sta.z _5
|
||
|
|
// [7] (byte~) main::$2 ← (byte) main::$5 + (byte) main::i#2 -- vbuz1=vbuz2_plus_vbuz3
|
||
|
|
lda.z _5
|
||
|
|
clc
|
||
|
|
adc.z i
|
||
|
|
sta.z _2
|
||
|
|
// [8] (byte) print::p_x#0 ← *((byte*)(const struct Point[4]) points#0 + (byte~) main::$2) -- vbuz1=pbuc1_derefidx_vbuz2
|
||
|
|
ldy.z _2
|
||
|
|
lda points,y
|
||
|
|
sta.z print.p_x
|
||
|
|
// [9] (signed word) print::p_y#0 ← *((signed word*)(const struct Point[4]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$2) -- vwsz1=pwsc1_derefidx_vbuz2
|
||
|
|
ldy.z _2
|
||
|
|
lda points+OFFSET_STRUCT_POINT_Y,y
|
||
|
|
sta.z print.p_y
|
||
|
|
lda points+OFFSET_STRUCT_POINT_Y+1,y
|
||
|
|
sta.z print.p_y+1
|
||
|
|
// [10] call print
|
||
|
|
jsr print
|
||
|
|
jmp b2
|
||
|
|
// main::@2
|
||
|
|
b2:
|
||
|
|
// [11] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
|
||
|
|
inc.z i
|
||
|
|
// [12] if((byte) main::i#1!=(byte) 4) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
||
|
|
lda #4
|
||
|
|
cmp.z i
|
||
|
|
bne b1_from_b2
|
||
|
|
jmp breturn
|
||
|
|
// main::@return
|
||
|
|
breturn:
|
||
|
|
// [13] return
|
||
|
|
rts
|
||
|
|
}
|
||
|
|
// print
|
||
|
|
// print(byte zeropage(6) p_x, signed word zeropage(7) p_y)
|
||
|
|
print: {
|
||
|
|
.label _0 = $a
|
||
|
|
.label _1 = $c
|
||
|
|
.label p_x = 6
|
||
|
|
.label p_y = 7
|
||
|
|
// [14] *((const byte*) SCREEN#0 + (byte) idx#14) ← (byte) print::p_x#0 -- pbuc1_derefidx_vbuz1=vbuz2
|
||
|
|
lda.z p_x
|
||
|
|
ldy.z idx_14
|
||
|
|
sta SCREEN,y
|
||
|
|
// [15] (byte) idx#3 ← ++ (byte) idx#14 -- vbuz1=_inc_vbuz2
|
||
|
|
ldy.z idx_14
|
||
|
|
iny
|
||
|
|
sty.z idx
|
||
|
|
// [16] (byte~) print::$0 ← < (signed word) print::p_y#0 -- vbuz1=_lo_vwsz2
|
||
|
|
lda.z p_y
|
||
|
|
sta.z _0
|
||
|
|
// [17] *((const byte*) SCREEN#0 + (byte) idx#3) ← (byte~) print::$0 -- pbuc1_derefidx_vbuz1=vbuz2
|
||
|
|
lda.z _0
|
||
|
|
ldy.z idx
|
||
|
|
sta SCREEN,y
|
||
|
|
// [18] (byte) idx#4 ← ++ (byte) idx#3 -- vbuz1=_inc_vbuz2
|
||
|
|
ldy.z idx
|
||
|
|
iny
|
||
|
|
sty.z idx_4
|
||
|
|
// [19] (byte~) print::$1 ← > (signed word) print::p_y#0 -- vbuz1=_hi_vwsz2
|
||
|
|
lda.z p_y+1
|
||
|
|
sta.z _1
|
||
|
|
// [20] *((const byte*) SCREEN#0 + (byte) idx#4) ← (byte~) print::$1 -- pbuc1_derefidx_vbuz1=vbuz2
|
||
|
|
lda.z _1
|
||
|
|
ldy.z idx_4
|
||
|
|
sta SCREEN,y
|
||
|
|
// [21] (byte) idx#5 ← ++ (byte) idx#4 -- vbuz1=_inc_vbuz2
|
||
|
|
ldy.z idx_4
|
||
|
|
iny
|
||
|
|
sty.z idx_5
|
||
|
|
// [22] *((const byte*) SCREEN#0 + (byte) idx#5) ← (byte) ' ' -- pbuc1_derefidx_vbuz1=vbuc2
|
||
|
|
lda #' '
|
||
|
|
ldy.z idx_5
|
||
|
|
sta SCREEN,y
|
||
|
|
// [23] (byte) idx#12 ← ++ (byte) idx#5 -- vbuz1=_inc_vbuz2
|
||
|
|
ldy.z idx_5
|
||
|
|
iny
|
||
|
|
sty.z idx_12
|
||
|
|
jmp breturn
|
||
|
|
// print::@return
|
||
|
|
breturn:
|
||
|
|
// [24] return
|
||
|
|
rts
|
||
|
|
}
|
||
|
|
// File Data
|
||
|
|
points:
|
||
|
|
.byte 1
|
||
|
|
.word $83f
|
||
|
|
.byte 3
|
||
|
|
.word $107e
|
||
|
|
.byte 0
|
||
|
|
.word 0
|
||
|
|
.byte 0
|
||
|
|
.word 0
|
||
|
|
|
||
|
|
REGISTER UPLIFT POTENTIAL REGISTERS
|
||
|
|
Statement [6] (byte) main::$5 ← (byte) main::i#2 << (byte) 1 [ main::i#2 idx#14 main::$5 ] ( main:2 [ main::i#2 idx#14 main::$5 ] ) always clobbers reg byte a
|
||
|
|
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
|
||
|
|
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:3 [ idx#14 idx#12 ]
|
||
|
|
Statement [7] (byte~) main::$2 ← (byte) main::$5 + (byte) main::i#2 [ main::i#2 idx#14 main::$2 ] ( main:2 [ main::i#2 idx#14 main::$2 ] ) always clobbers reg byte a
|
||
|
|
Statement [9] (signed word) print::p_y#0 ← *((signed word*)(const struct Point[4]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$2) [ main::i#2 idx#14 print::p_x#0 print::p_y#0 ] ( main:2 [ main::i#2 idx#14 print::p_x#0 print::p_y#0 ] ) always clobbers reg byte a
|
||
|
|
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:6 [ print::p_x#0 ]
|
||
|
|
Statement [14] *((const byte*) SCREEN#0 + (byte) idx#14) ← (byte) print::p_x#0 [ idx#14 print::p_y#0 ] ( main:2::print:10 [ main::i#2 idx#14 print::p_y#0 ] ) always clobbers reg byte a
|
||
|
|
Statement [16] (byte~) print::$0 ← < (signed word) print::p_y#0 [ print::p_y#0 idx#3 print::$0 ] ( main:2::print:10 [ main::i#2 print::p_y#0 idx#3 print::$0 ] ) always clobbers reg byte a
|
||
|
|
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:9 [ idx#3 ]
|
||
|
|
Statement [19] (byte~) print::$1 ← > (signed word) print::p_y#0 [ idx#4 print::$1 ] ( main:2::print:10 [ main::i#2 idx#4 print::$1 ] ) always clobbers reg byte a
|
||
|
|
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:11 [ idx#4 ]
|
||
|
|
Statement [22] *((const byte*) SCREEN#0 + (byte) idx#5) ← (byte) ' ' [ idx#5 ] ( main:2::print:10 [ main::i#2 idx#5 ] ) always clobbers reg byte a
|
||
|
|
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:13 [ idx#5 ]
|
||
|
|
Statement [6] (byte) main::$5 ← (byte) main::i#2 << (byte) 1 [ main::i#2 idx#14 main::$5 ] ( main:2 [ main::i#2 idx#14 main::$5 ] ) always clobbers reg byte a
|
||
|
|
Statement [7] (byte~) main::$2 ← (byte) main::$5 + (byte) main::i#2 [ main::i#2 idx#14 main::$2 ] ( main:2 [ main::i#2 idx#14 main::$2 ] ) always clobbers reg byte a
|
||
|
|
Statement [9] (signed word) print::p_y#0 ← *((signed word*)(const struct Point[4]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$2) [ main::i#2 idx#14 print::p_x#0 print::p_y#0 ] ( main:2 [ main::i#2 idx#14 print::p_x#0 print::p_y#0 ] ) always clobbers reg byte a
|
||
|
|
Statement [14] *((const byte*) SCREEN#0 + (byte) idx#14) ← (byte) print::p_x#0 [ idx#14 print::p_y#0 ] ( main:2::print:10 [ main::i#2 idx#14 print::p_y#0 ] ) always clobbers reg byte a
|
||
|
|
Statement [16] (byte~) print::$0 ← < (signed word) print::p_y#0 [ print::p_y#0 idx#3 print::$0 ] ( main:2::print:10 [ main::i#2 print::p_y#0 idx#3 print::$0 ] ) always clobbers reg byte a
|
||
|
|
Statement [19] (byte~) print::$1 ← > (signed word) print::p_y#0 [ idx#4 print::$1 ] ( main:2::print:10 [ main::i#2 idx#4 print::$1 ] ) always clobbers reg byte a
|
||
|
|
Statement [22] *((const byte*) SCREEN#0 + (byte) idx#5) ← (byte) ' ' [ idx#5 ] ( main:2::print:10 [ main::i#2 idx#5 ] ) always clobbers reg byte a
|
||
|
|
Potential registers zp ZP_BYTE:2 [ main::i#2 main::i#1 ] : zp ZP_BYTE:2 , reg byte x , reg byte y ,
|
||
|
|
Potential registers zp ZP_BYTE:3 [ idx#14 idx#12 ] : zp ZP_BYTE:3 , reg byte x , reg byte y ,
|
||
|
|
Potential registers zp ZP_BYTE:4 [ main::$5 ] : zp ZP_BYTE:4 , reg byte a , reg byte x , reg byte y ,
|
||
|
|
Potential registers zp ZP_BYTE:5 [ main::$2 ] : zp ZP_BYTE:5 , reg byte a , reg byte x , reg byte y ,
|
||
|
|
Potential registers zp ZP_BYTE:6 [ print::p_x#0 ] : zp ZP_BYTE:6 , reg byte x , reg byte y ,
|
||
|
|
Potential registers zp ZP_WORD:7 [ print::p_y#0 ] : zp ZP_WORD:7 ,
|
||
|
|
Potential registers zp ZP_BYTE:9 [ idx#3 ] : zp ZP_BYTE:9 , reg byte x , reg byte y ,
|
||
|
|
Potential registers zp ZP_BYTE:10 [ print::$0 ] : zp ZP_BYTE:10 , reg byte a , reg byte x , reg byte y ,
|
||
|
|
Potential registers zp ZP_BYTE:11 [ idx#4 ] : zp ZP_BYTE:11 , reg byte x , reg byte y ,
|
||
|
|
Potential registers zp ZP_BYTE:12 [ print::$1 ] : zp ZP_BYTE:12 , reg byte a , reg byte x , reg byte y ,
|
||
|
|
Potential registers zp ZP_BYTE:13 [ idx#5 ] : zp ZP_BYTE:13 , reg byte x , reg byte y ,
|
||
|
|
|
||
|
|
REGISTER UPLIFT SCOPES
|
||
|
|
Uplift Scope [main] 23.83: zp ZP_BYTE:2 [ main::i#2 main::i#1 ] 22: zp ZP_BYTE:4 [ main::$5 ] 16.5: zp ZP_BYTE:5 [ main::$2 ]
|
||
|
|
Uplift Scope [print] 6.5: zp ZP_BYTE:6 [ print::p_x#0 ] 4: zp ZP_BYTE:10 [ print::$0 ] 4: zp ZP_BYTE:12 [ print::$1 ] 2.5: zp ZP_WORD:7 [ print::p_y#0 ]
|
||
|
|
Uplift Scope [] 5.1: zp ZP_BYTE:3 [ idx#14 idx#12 ] 3: zp ZP_BYTE:13 [ idx#5 ] 2: zp ZP_BYTE:9 [ idx#3 ] 2: zp ZP_BYTE:11 [ idx#4 ]
|
||
|
|
Uplift Scope [Point]
|
||
|
|
|
||
|
|
Uplifting [main] best 794 combination reg byte x [ main::i#2 main::i#1 ] reg byte a [ main::$5 ] reg byte y [ main::$2 ]
|
||
|
|
Uplifting [print] best 782 combination zp ZP_BYTE:6 [ print::p_x#0 ] reg byte a [ print::$0 ] reg byte a [ print::$1 ] zp ZP_WORD:7 [ print::p_y#0 ]
|
||
|
|
Uplifting [] best 755 combination zp ZP_BYTE:3 [ idx#14 idx#12 ] reg byte y [ idx#5 ] reg byte y [ idx#3 ] reg byte y [ idx#4 ]
|
||
|
|
Uplifting [Point] best 755 combination
|
||
|
|
Attempting to uplift remaining variables inzp ZP_BYTE:6 [ print::p_x#0 ]
|
||
|
|
Uplifting [print] best 755 combination zp ZP_BYTE:6 [ print::p_x#0 ]
|
||
|
|
Attempting to uplift remaining variables inzp ZP_BYTE:3 [ idx#14 idx#12 ]
|
||
|
|
Uplifting [] best 755 combination zp ZP_BYTE:3 [ idx#14 idx#12 ]
|
||
|
|
Allocated (was zp ZP_BYTE:3) zp ZP_BYTE:2 [ idx#14 idx#12 ]
|
||
|
|
Allocated (was zp ZP_BYTE:6) zp ZP_BYTE:3 [ print::p_x#0 ]
|
||
|
|
Allocated (was zp ZP_WORD:7) zp ZP_WORD:4 [ print::p_y#0 ]
|
||
|
|
|
||
|
|
ASSEMBLER BEFORE OPTIMIZATION
|
||
|
|
// File Comments
|
||
|
|
// Test a struct array initialized with to few members (zero-filled for the rest)
|
||
|
|
// Upstart
|
||
|
|
.pc = $801 "Basic"
|
||
|
|
:BasicUpstart(bbegin)
|
||
|
|
.pc = $80d "Program"
|
||
|
|
// Global Constants & labels
|
||
|
|
.const OFFSET_STRUCT_POINT_Y = 1
|
||
|
|
.label SCREEN = $400
|
||
|
|
.label idx = 2
|
||
|
|
// @begin
|
||
|
|
bbegin:
|
||
|
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
||
|
|
b1_from_bbegin:
|
||
|
|
jmp b1
|
||
|
|
// @1
|
||
|
|
b1:
|
||
|
|
// [2] call main
|
||
|
|
// [4] phi from @1 to main [phi:@1->main]
|
||
|
|
main_from_b1:
|
||
|
|
jsr main
|
||
|
|
// [3] phi from @1 to @end [phi:@1->@end]
|
||
|
|
bend_from_b1:
|
||
|
|
jmp bend
|
||
|
|
// @end
|
||
|
|
bend:
|
||
|
|
// main
|
||
|
|
main: {
|
||
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
||
|
|
b1_from_main:
|
||
|
|
// [5] phi (byte) idx#14 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
||
|
|
lda #0
|
||
|
|
sta.z idx
|
||
|
|
// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- vbuxx=vbuc1
|
||
|
|
ldx #0
|
||
|
|
jmp b1
|
||
|
|
// [5] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
|
||
|
|
b1_from_b2:
|
||
|
|
// [5] phi (byte) idx#14 = (byte) idx#12 [phi:main::@2->main::@1#0] -- register_copy
|
||
|
|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy
|
||
|
|
jmp b1
|
||
|
|
// main::@1
|
||
|
|
b1:
|
||
|
|
// [6] (byte) main::$5 ← (byte) main::i#2 << (byte) 1 -- vbuaa=vbuxx_rol_1
|
||
|
|
txa
|
||
|
|
asl
|
||
|
|
// [7] (byte~) main::$2 ← (byte) main::$5 + (byte) main::i#2 -- vbuyy=vbuaa_plus_vbuxx
|
||
|
|
stx.z $ff
|
||
|
|
clc
|
||
|
|
adc.z $ff
|
||
|
|
tay
|
||
|
|
// [8] (byte) print::p_x#0 ← *((byte*)(const struct Point[4]) points#0 + (byte~) main::$2) -- vbuz1=pbuc1_derefidx_vbuyy
|
||
|
|
lda points,y
|
||
|
|
sta.z print.p_x
|
||
|
|
// [9] (signed word) print::p_y#0 ← *((signed word*)(const struct Point[4]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$2) -- vwsz1=pwsc1_derefidx_vbuyy
|
||
|
|
lda points+OFFSET_STRUCT_POINT_Y,y
|
||
|
|
sta.z print.p_y
|
||
|
|
lda points+OFFSET_STRUCT_POINT_Y+1,y
|
||
|
|
sta.z print.p_y+1
|
||
|
|
// [10] call print
|
||
|
|
jsr print
|
||
|
|
jmp b2
|
||
|
|
// main::@2
|
||
|
|
b2:
|
||
|
|
// [11] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
|
||
|
|
inx
|
||
|
|
// [12] if((byte) main::i#1!=(byte) 4) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
|
||
|
|
cpx #4
|
||
|
|
bne b1_from_b2
|
||
|
|
jmp breturn
|
||
|
|
// main::@return
|
||
|
|
breturn:
|
||
|
|
// [13] return
|
||
|
|
rts
|
||
|
|
}
|
||
|
|
// print
|
||
|
|
// print(byte zeropage(3) p_x, signed word zeropage(4) p_y)
|
||
|
|
print: {
|
||
|
|
.label p_x = 3
|
||
|
|
.label p_y = 4
|
||
|
|
// [14] *((const byte*) SCREEN#0 + (byte) idx#14) ← (byte) print::p_x#0 -- pbuc1_derefidx_vbuz1=vbuz2
|
||
|
|
lda.z p_x
|
||
|
|
ldy.z idx
|
||
|
|
sta SCREEN,y
|
||
|
|
// [15] (byte) idx#3 ← ++ (byte) idx#14 -- vbuyy=_inc_vbuz1
|
||
|
|
ldy.z idx
|
||
|
|
iny
|
||
|
|
// [16] (byte~) print::$0 ← < (signed word) print::p_y#0 -- vbuaa=_lo_vwsz1
|
||
|
|
lda.z p_y
|
||
|
|
// [17] *((const byte*) SCREEN#0 + (byte) idx#3) ← (byte~) print::$0 -- pbuc1_derefidx_vbuyy=vbuaa
|
||
|
|
sta SCREEN,y
|
||
|
|
// [18] (byte) idx#4 ← ++ (byte) idx#3 -- vbuyy=_inc_vbuyy
|
||
|
|
iny
|
||
|
|
// [19] (byte~) print::$1 ← > (signed word) print::p_y#0 -- vbuaa=_hi_vwsz1
|
||
|
|
lda.z p_y+1
|
||
|
|
// [20] *((const byte*) SCREEN#0 + (byte) idx#4) ← (byte~) print::$1 -- pbuc1_derefidx_vbuyy=vbuaa
|
||
|
|
sta SCREEN,y
|
||
|
|
// [21] (byte) idx#5 ← ++ (byte) idx#4 -- vbuyy=_inc_vbuyy
|
||
|
|
iny
|
||
|
|
// [22] *((const byte*) SCREEN#0 + (byte) idx#5) ← (byte) ' ' -- pbuc1_derefidx_vbuyy=vbuc2
|
||
|
|
lda #' '
|
||
|
|
sta SCREEN,y
|
||
|
|
// [23] (byte) idx#12 ← ++ (byte) idx#5 -- vbuz1=_inc_vbuyy
|
||
|
|
iny
|
||
|
|
sty.z idx
|
||
|
|
jmp breturn
|
||
|
|
// print::@return
|
||
|
|
breturn:
|
||
|
|
// [24] return
|
||
|
|
rts
|
||
|
|
}
|
||
|
|
// File Data
|
||
|
|
points:
|
||
|
|
.byte 1
|
||
|
|
.word $83f
|
||
|
|
.byte 3
|
||
|
|
.word $107e
|
||
|
|
.byte 0
|
||
|
|
.word 0
|
||
|
|
.byte 0
|
||
|
|
.word 0
|
||
|
|
|
||
|
|
ASSEMBLER OPTIMIZATIONS
|
||
|
|
Removing instruction jmp b1
|
||
|
|
Removing instruction jmp bend
|
||
|
|
Removing instruction jmp b1
|
||
|
|
Removing instruction jmp b2
|
||
|
|
Removing instruction jmp breturn
|
||
|
|
Removing instruction jmp breturn
|
||
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
||
|
|
Replacing instruction ldx #0 with TAX
|
||
|
|
Removing instruction ldy.z idx
|
||
|
|
Succesful ASM optimization Pass5UnnecesaryLoadElimination
|
||
|
|
Replacing label b1_from_b2 with b1
|
||
|
|
Removing instruction b1_from_bbegin:
|
||
|
|
Removing instruction b1:
|
||
|
|
Removing instruction main_from_b1:
|
||
|
|
Removing instruction bend_from_b1:
|
||
|
|
Removing instruction b1_from_b2:
|
||
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
||
|
|
Removing instruction bend:
|
||
|
|
Removing instruction b1_from_main:
|
||
|
|
Removing instruction b2:
|
||
|
|
Removing instruction breturn:
|
||
|
|
Removing instruction breturn:
|
||
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
||
|
|
Updating BasicUpstart to call main directly
|
||
|
|
Removing instruction jsr main
|
||
|
|
Succesful ASM optimization Pass5SkipBegin
|
||
|
|
Removing instruction jmp b1
|
||
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
||
|
|
Removing instruction bbegin:
|
||
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
||
|
|
|
||
|
|
FINAL SYMBOL TABLE
|
||
|
|
(label) @1
|
||
|
|
(label) @begin
|
||
|
|
(label) @end
|
||
|
|
(const byte) OFFSET_STRUCT_POINT_Y OFFSET_STRUCT_POINT_Y = (byte) 1
|
||
|
|
(byte) Point::x
|
||
|
|
(signed word) Point::y
|
||
|
|
(byte*) SCREEN
|
||
|
|
(const byte*) SCREEN#0 SCREEN = (byte*) 1024
|
||
|
|
(byte) idx
|
||
|
|
(byte) idx#12 idx zp ZP_BYTE:2 2.6
|
||
|
|
(byte) idx#14 idx zp ZP_BYTE:2 2.5
|
||
|
|
(byte) idx#3 reg byte y 2.0
|
||
|
|
(byte) idx#4 reg byte y 2.0
|
||
|
|
(byte) idx#5 reg byte y 3.0
|
||
|
|
(void()) main()
|
||
|
|
(byte~) main::$2 reg byte y 16.5
|
||
|
|
(byte) main::$5 reg byte a 22.0
|
||
|
|
(label) main::@1
|
||
|
|
(label) main::@2
|
||
|
|
(label) main::@return
|
||
|
|
(byte) main::i
|
||
|
|
(byte) main::i#1 reg byte x 16.5
|
||
|
|
(byte) main::i#2 reg byte x 7.333333333333333
|
||
|
|
(struct Point[4]) points
|
||
|
|
(const struct Point[4]) points#0 points = { { x: (byte) 1, y: (signed word) $83f }, { x: (byte) 3, y: (signed word) $107e } }
|
||
|
|
(void()) print((byte) print::p_x , (signed word) print::p_y)
|
||
|
|
(byte~) print::$0 reg byte a 4.0
|
||
|
|
(byte~) print::$1 reg byte a 4.0
|
||
|
|
(label) print::@return
|
||
|
|
(struct Point) print::p
|
||
|
|
(byte) print::p_x
|
||
|
|
(byte) print::p_x#0 p_x zp ZP_BYTE:3 6.5
|
||
|
|
(signed word) print::p_y
|
||
|
|
(signed word) print::p_y#0 p_y zp ZP_WORD:4 2.5
|
||
|
|
|
||
|
|
reg byte x [ main::i#2 main::i#1 ]
|
||
|
|
zp ZP_BYTE:2 [ idx#14 idx#12 ]
|
||
|
|
reg byte a [ main::$5 ]
|
||
|
|
reg byte y [ main::$2 ]
|
||
|
|
zp ZP_BYTE:3 [ print::p_x#0 ]
|
||
|
|
zp ZP_WORD:4 [ print::p_y#0 ]
|
||
|
|
reg byte y [ idx#3 ]
|
||
|
|
reg byte a [ print::$0 ]
|
||
|
|
reg byte y [ idx#4 ]
|
||
|
|
reg byte a [ print::$1 ]
|
||
|
|
reg byte y [ idx#5 ]
|
||
|
|
|
||
|
|
|
||
|
|
FINAL ASSEMBLER
|
||
|
|
Score: 617
|
||
|
|
|
||
|
|
// File Comments
|
||
|
|
// Test a struct array initialized with to few members (zero-filled for the rest)
|
||
|
|
// Upstart
|
||
|
|
.pc = $801 "Basic"
|
||
|
|
:BasicUpstart(main)
|
||
|
|
.pc = $80d "Program"
|
||
|
|
// Global Constants & labels
|
||
|
|
.const OFFSET_STRUCT_POINT_Y = 1
|
||
|
|
.label SCREEN = $400
|
||
|
|
.label idx = 2
|
||
|
|
// @begin
|
||
|
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
||
|
|
// @1
|
||
|
|
// [2] call main
|
||
|
|
// [4] phi from @1 to main [phi:@1->main]
|
||
|
|
// [3] phi from @1 to @end [phi:@1->@end]
|
||
|
|
// @end
|
||
|
|
// main
|
||
|
|
main: {
|
||
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
||
|
|
// [5] phi (byte) idx#14 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
||
|
|
lda #0
|
||
|
|
sta.z idx
|
||
|
|
// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- vbuxx=vbuc1
|
||
|
|
tax
|
||
|
|
// [5] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
|
||
|
|
// [5] phi (byte) idx#14 = (byte) idx#12 [phi:main::@2->main::@1#0] -- register_copy
|
||
|
|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy
|
||
|
|
// main::@1
|
||
|
|
b1:
|
||
|
|
// print(points[i])
|
||
|
|
// [6] (byte) main::$5 ← (byte) main::i#2 << (byte) 1 -- vbuaa=vbuxx_rol_1
|
||
|
|
txa
|
||
|
|
asl
|
||
|
|
// [7] (byte~) main::$2 ← (byte) main::$5 + (byte) main::i#2 -- vbuyy=vbuaa_plus_vbuxx
|
||
|
|
stx.z $ff
|
||
|
|
clc
|
||
|
|
adc.z $ff
|
||
|
|
tay
|
||
|
|
// [8] (byte) print::p_x#0 ← *((byte*)(const struct Point[4]) points#0 + (byte~) main::$2) -- vbuz1=pbuc1_derefidx_vbuyy
|
||
|
|
lda points,y
|
||
|
|
sta.z print.p_x
|
||
|
|
// [9] (signed word) print::p_y#0 ← *((signed word*)(const struct Point[4]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$2) -- vwsz1=pwsc1_derefidx_vbuyy
|
||
|
|
lda points+OFFSET_STRUCT_POINT_Y,y
|
||
|
|
sta.z print.p_y
|
||
|
|
lda points+OFFSET_STRUCT_POINT_Y+1,y
|
||
|
|
sta.z print.p_y+1
|
||
|
|
// [10] call print
|
||
|
|
jsr print
|
||
|
|
// main::@2
|
||
|
|
// for ( char i: 0..3)
|
||
|
|
// [11] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
|
||
|
|
inx
|
||
|
|
// [12] if((byte) main::i#1!=(byte) 4) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
|
||
|
|
cpx #4
|
||
|
|
bne b1
|
||
|
|
// main::@return
|
||
|
|
// }
|
||
|
|
// [13] return
|
||
|
|
rts
|
||
|
|
}
|
||
|
|
// print
|
||
|
|
// print(byte zeropage(3) p_x, signed word zeropage(4) p_y)
|
||
|
|
print: {
|
||
|
|
.label p_x = 3
|
||
|
|
.label p_y = 4
|
||
|
|
// SCREEN[idx++] = p.x
|
||
|
|
// [14] *((const byte*) SCREEN#0 + (byte) idx#14) ← (byte) print::p_x#0 -- pbuc1_derefidx_vbuz1=vbuz2
|
||
|
|
lda.z p_x
|
||
|
|
ldy.z idx
|
||
|
|
sta SCREEN,y
|
||
|
|
// SCREEN[idx++] = p.x;
|
||
|
|
// [15] (byte) idx#3 ← ++ (byte) idx#14 -- vbuyy=_inc_vbuz1
|
||
|
|
iny
|
||
|
|
// <p.y
|
||
|
|
// [16] (byte~) print::$0 ← < (signed word) print::p_y#0 -- vbuaa=_lo_vwsz1
|
||
|
|
lda.z p_y
|
||
|
|
// SCREEN[idx++] = <p.y
|
||
|
|
// [17] *((const byte*) SCREEN#0 + (byte) idx#3) ← (byte~) print::$0 -- pbuc1_derefidx_vbuyy=vbuaa
|
||
|
|
sta SCREEN,y
|
||
|
|
// SCREEN[idx++] = <p.y;
|
||
|
|
// [18] (byte) idx#4 ← ++ (byte) idx#3 -- vbuyy=_inc_vbuyy
|
||
|
|
iny
|
||
|
|
// >p.y
|
||
|
|
// [19] (byte~) print::$1 ← > (signed word) print::p_y#0 -- vbuaa=_hi_vwsz1
|
||
|
|
lda.z p_y+1
|
||
|
|
// SCREEN[idx++] = >p.y
|
||
|
|
// [20] *((const byte*) SCREEN#0 + (byte) idx#4) ← (byte~) print::$1 -- pbuc1_derefidx_vbuyy=vbuaa
|
||
|
|
sta SCREEN,y
|
||
|
|
// SCREEN[idx++] = >p.y;
|
||
|
|
// [21] (byte) idx#5 ← ++ (byte) idx#4 -- vbuyy=_inc_vbuyy
|
||
|
|
iny
|
||
|
|
// SCREEN[idx++] = ' '
|
||
|
|
// [22] *((const byte*) SCREEN#0 + (byte) idx#5) ← (byte) ' ' -- pbuc1_derefidx_vbuyy=vbuc2
|
||
|
|
lda #' '
|
||
|
|
sta SCREEN,y
|
||
|
|
// SCREEN[idx++] = ' ';
|
||
|
|
// [23] (byte) idx#12 ← ++ (byte) idx#5 -- vbuz1=_inc_vbuyy
|
||
|
|
iny
|
||
|
|
sty.z idx
|
||
|
|
// print::@return
|
||
|
|
// }
|
||
|
|
// [24] return
|
||
|
|
rts
|
||
|
|
}
|
||
|
|
// File Data
|
||
|
|
points:
|
||
|
|
.byte 1
|
||
|
|
.word $83f
|
||
|
|
.byte 3
|
||
|
|
.word $107e
|
||
|
|
.byte 0
|
||
|
|
.word 0
|
||
|
|
.byte 0
|
||
|
|
.word 0
|
||
|
|
|