mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-10-21 17:24:39 +00:00
464 lines
24 KiB
Plaintext
464 lines
24 KiB
Plaintext
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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to:@1
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(void()) main()
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main: scope:[main] from @1
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(number~) main::$0 ← (number) 0 * (const byte) SIZEOF_STRUCT_POINT
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*((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (number~) main::$0) ← (number) 2
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(number~) main::$1 ← (number) 0 * (const byte) SIZEOF_STRUCT_POINT
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*((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (number~) main::$1) ← (number) 3
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(number~) main::$2 ← (number) 1 * (const byte) SIZEOF_STRUCT_POINT
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*((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (number~) main::$2) ← (number) 5
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(number~) main::$3 ← (number) 1 * (const byte) SIZEOF_STRUCT_POINT
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*((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (number~) main::$3) ← (number) 6
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(number~) main::$4 ← (number) 0 * (const byte) SIZEOF_STRUCT_POINT
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*((const nomodify byte*) main::SCREEN + (number) 0) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (number~) main::$4)
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(number~) main::$5 ← (number) 0 * (const byte) SIZEOF_STRUCT_POINT
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*((const nomodify byte*) main::SCREEN + (number) 1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (number~) main::$5)
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(number~) main::$6 ← (number) 1 * (const byte) SIZEOF_STRUCT_POINT
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*((const nomodify byte*) main::SCREEN + (number) 3) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (number~) main::$6)
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(number~) main::$7 ← (number) 1 * (const byte) SIZEOF_STRUCT_POINT
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*((const nomodify byte*) main::SCREEN + (number) 4) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (number~) main::$7)
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to:main::@return
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main::@return: scope:[main] from main
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return
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to:@return
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@1: scope:[] from @begin
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call main
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to:@2
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@2: scope:[] from @1
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to:@end
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@end: scope:[] from @2
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SYMBOL TABLE SSA
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(label) @1
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(label) @2
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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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(byte) Point::y
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(const byte) SIZEOF_STRUCT_POINT = (byte) 2
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(void()) main()
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(number~) main::$0
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(number~) main::$1
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(number~) main::$2
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(number~) main::$3
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(number~) main::$4
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(number~) main::$5
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(number~) main::$6
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(number~) main::$7
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(label) main::@return
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(const nomodify byte*) main::SCREEN = (byte*)(number) $400
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(const struct Point*) points[(number) 2] = { fill( 2, 0) }
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Adding number conversion cast (unumber) 0 in (number~) main::$0 ← (number) 0 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) main::$0 in (number~) main::$0 ← (unumber)(number) 0 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) 2 in *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (unumber~) main::$0) ← (number) 2
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Adding number conversion cast (unumber) 0 in (number~) main::$1 ← (number) 0 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) main::$1 in (number~) main::$1 ← (unumber)(number) 0 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) 3 in *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (unumber~) main::$1) ← (number) 3
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Adding number conversion cast (unumber) 1 in (number~) main::$2 ← (number) 1 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) main::$2 in (number~) main::$2 ← (unumber)(number) 1 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) 5 in *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (unumber~) main::$2) ← (number) 5
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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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Adding number conversion cast (unumber) 6 in *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (unumber~) main::$3) ← (number) 6
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Adding number conversion cast (unumber) 0 in (number~) main::$4 ← (number) 0 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) main::$4 in (number~) main::$4 ← (unumber)(number) 0 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) 0 in *((const nomodify byte*) main::SCREEN + (number) 0) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (unumber~) main::$4)
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Adding number conversion cast (unumber) 0 in (number~) main::$5 ← (number) 0 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) main::$5 in (number~) main::$5 ← (unumber)(number) 0 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) 1 in *((const nomodify byte*) main::SCREEN + (number) 1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (unumber~) main::$5)
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Adding number conversion cast (unumber) 1 in (number~) main::$6 ← (number) 1 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) main::$6 in (number~) main::$6 ← (unumber)(number) 1 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) 3 in *((const nomodify byte*) main::SCREEN + (number) 3) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (unumber~) main::$6)
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Adding number conversion cast (unumber) 1 in (number~) main::$7 ← (number) 1 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) main::$7 in (number~) main::$7 ← (unumber)(number) 1 * (const byte) SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) 4 in *((const nomodify byte*) main::SCREEN + (number) 4) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (unumber~) main::$7)
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (unumber~) main::$0) ← (unumber)(number) 2
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Inlining cast *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (unumber~) main::$1) ← (unumber)(number) 3
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Inlining cast *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (unumber~) main::$2) ← (unumber)(number) 5
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Inlining cast *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (unumber~) main::$3) ← (unumber)(number) 6
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Successful SSA optimization Pass2InlineCast
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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 2
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Simplifying constant integer cast 0
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Simplifying constant integer cast 3
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Simplifying constant integer cast 1
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Simplifying constant integer cast 5
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Simplifying constant integer cast 1
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Simplifying constant integer cast 6
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Simplifying constant integer cast 0
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Simplifying constant integer cast 0
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Simplifying constant integer cast 0
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Simplifying constant integer cast 1
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Simplifying constant integer cast 1
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Simplifying constant integer cast 3
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Simplifying constant integer cast 1
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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) 0
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Finalized unsigned number type (byte) 2
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 3
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Finalized unsigned number type (byte) 1
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Finalized unsigned number type (byte) 5
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Finalized unsigned number type (byte) 1
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Finalized unsigned number type (byte) 6
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 1
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Finalized unsigned number type (byte) 1
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Finalized unsigned number type (byte) 3
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Finalized unsigned number type (byte) 1
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Finalized unsigned number type (byte) 4
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inferred type updated to byte in (unumber~) main::$0 ← (byte) 0 * (const byte) SIZEOF_STRUCT_POINT
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Inferred type updated to byte in (unumber~) main::$1 ← (byte) 0 * (const byte) SIZEOF_STRUCT_POINT
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Inferred type updated to byte in (unumber~) main::$2 ← (byte) 1 * (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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Inferred type updated to byte in (unumber~) main::$4 ← (byte) 0 * (const byte) SIZEOF_STRUCT_POINT
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Inferred type updated to byte in (unumber~) main::$5 ← (byte) 0 * (const byte) SIZEOF_STRUCT_POINT
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Inferred type updated to byte in (unumber~) main::$6 ← (byte) 1 * (const byte) SIZEOF_STRUCT_POINT
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Inferred type updated to byte in (unumber~) main::$7 ← (byte) 1 * (const byte) SIZEOF_STRUCT_POINT
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Constant right-side identified [0] (byte~) main::$0 ← (byte) 0 * (const byte) SIZEOF_STRUCT_POINT
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Constant right-side identified [2] (byte~) main::$1 ← (byte) 0 * (const byte) SIZEOF_STRUCT_POINT
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Constant right-side identified [4] (byte~) main::$2 ← (byte) 1 * (const byte) SIZEOF_STRUCT_POINT
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Constant right-side identified [6] (byte~) main::$3 ← (byte) 1 * (const byte) SIZEOF_STRUCT_POINT
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Constant right-side identified [8] (byte~) main::$4 ← (byte) 0 * (const byte) SIZEOF_STRUCT_POINT
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Constant right-side identified [10] (byte~) main::$5 ← (byte) 0 * (const byte) SIZEOF_STRUCT_POINT
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Constant right-side identified [12] (byte~) main::$6 ← (byte) 1 * (const byte) SIZEOF_STRUCT_POINT
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Constant right-side identified [14] (byte~) main::$7 ← (byte) 1 * (const byte) SIZEOF_STRUCT_POINT
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant (const byte) main::$0 = 0*SIZEOF_STRUCT_POINT
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Constant (const byte) main::$1 = 0*SIZEOF_STRUCT_POINT
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Constant (const byte) main::$2 = 1*SIZEOF_STRUCT_POINT
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Constant (const byte) main::$3 = 1*SIZEOF_STRUCT_POINT
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Constant (const byte) main::$4 = 0*SIZEOF_STRUCT_POINT
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Constant (const byte) main::$5 = 0*SIZEOF_STRUCT_POINT
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Constant (const byte) main::$6 = 1*SIZEOF_STRUCT_POINT
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Constant (const byte) main::$7 = 1*SIZEOF_STRUCT_POINT
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Successful SSA optimization Pass2ConstantIdentification
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Simplifying constant evaluating to zero (byte) 0*(const byte) SIZEOF_STRUCT_POINT in
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Simplifying constant evaluating to zero (byte) 0*(const byte) SIZEOF_STRUCT_POINT in
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Simplifying constant evaluating to zero (byte) 0*(const byte) SIZEOF_STRUCT_POINT in
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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 (byte*)points+OFFSET_STRUCT_POINT_X in [1] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (const byte) main::$0) ← (byte) 2
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Simplifying expression containing zero (byte*)points in [1] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X) ← (byte) 2
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Simplifying expression containing zero (byte*)points+OFFSET_STRUCT_POINT_Y in [3] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (const byte) main::$1) ← (byte) 3
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Simplifying expression containing zero (byte*)points in [5] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (const byte) main::$2) ← (byte) 5
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Simplifying expression containing zero (byte*)points+OFFSET_STRUCT_POINT_X in [9] *((const nomodify byte*) main::SCREEN + (byte) 0) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (const byte) main::$4)
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Simplifying expression containing zero (byte*)points in [9] *((const nomodify byte*) main::SCREEN + (byte) 0) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X)
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Simplifying expression containing zero main::SCREEN in [9] *((const nomodify byte*) main::SCREEN + (byte) 0) ← *((byte*)(const struct Point*) points)
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Simplifying expression containing zero (byte*)points+OFFSET_STRUCT_POINT_Y in [11] *((const nomodify byte*) main::SCREEN + (byte) 1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (const byte) main::$5)
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Simplifying expression containing zero (byte*)points in [13] *((const nomodify byte*) main::SCREEN + (byte) 3) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (const byte) main::$6)
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Successful SSA optimization PassNSimplifyExpressionWithZero
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Eliminating unused constant (const byte) main::$0
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Eliminating unused constant (const byte) main::$1
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Eliminating unused constant (const byte) main::$4
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Eliminating unused constant (const byte) main::$5
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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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Constant inlined main::$6 = (byte) 1*(const byte) SIZEOF_STRUCT_POINT
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Constant inlined main::$3 = (byte) 1*(const byte) SIZEOF_STRUCT_POINT
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Constant inlined main::$2 = (byte) 1*(const byte) SIZEOF_STRUCT_POINT
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Constant inlined main::$7 = (byte) 1*(const byte) SIZEOF_STRUCT_POINT
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Successful SSA optimization Pass2ConstantInlining
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Consolidated array index constant in *((byte*)points+1*SIZEOF_STRUCT_POINT)
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Consolidated array index constant in *((byte*)points+OFFSET_STRUCT_POINT_Y+1*SIZEOF_STRUCT_POINT)
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Consolidated array index constant in *(main::SCREEN+1)
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Consolidated array index constant in *((byte*)points+1*SIZEOF_STRUCT_POINT)
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Consolidated array index constant in *(main::SCREEN+3)
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Consolidated array index constant in *((byte*)points+OFFSET_STRUCT_POINT_Y+1*SIZEOF_STRUCT_POINT)
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Consolidated array index constant in *(main::SCREEN+4)
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Successful SSA optimization Pass2ConstantAdditionElimination
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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 @end
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CALL GRAPH
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Calls in [] to main:2
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Created 0 initial phi equivalence classes
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Coalesced down to 0 phi equivalence classes
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Culled Empty Block (label) @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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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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(void()) main()
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main: scope:[main] from @1
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[4] *((byte*)(const struct Point*) points) ← (byte) 2
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[5] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 3
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[6] *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 5
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[7] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 6
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[8] *((const nomodify byte*) main::SCREEN) ← *((byte*)(const struct Point*) points)
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[9] *((const nomodify byte*) main::SCREEN+(byte) 1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y)
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[10] *((const nomodify byte*) main::SCREEN+(byte) 3) ← *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT)
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[11] *((const nomodify byte*) main::SCREEN+(byte) 4) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT)
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to:main::@return
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main::@return: scope:[main] from main
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[12] 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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(void()) main()
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Initial phi equivalence classes
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Complete equivalence classes
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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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// Minimal struct - direct (constant) array access
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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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// @begin
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__bbegin:
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// [1] phi from @begin to @1 [phi:@begin->@1]
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__b1_from___bbegin:
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jmp __b1
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// @1
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__b1:
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// [2] call main
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jsr main
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// [3] phi from @1 to @end [phi:@1->@end]
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__bend_from___b1:
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jmp __bend
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// @end
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__bend:
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// main
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main: {
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.label SCREEN = $400
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// [4] *((byte*)(const struct Point*) points) ← (byte) 2 -- _deref_pbuc1=vbuc2
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lda #2
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sta points
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// [5] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 3 -- _deref_pbuc1=vbuc2
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lda #3
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sta points+OFFSET_STRUCT_POINT_Y
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// [6] *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 5 -- _deref_pbuc1=vbuc2
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lda #5
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sta points+1*SIZEOF_STRUCT_POINT
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// [7] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 6 -- _deref_pbuc1=vbuc2
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lda #6
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sta points+OFFSET_STRUCT_POINT_Y+1*SIZEOF_STRUCT_POINT
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// [8] *((const nomodify byte*) main::SCREEN) ← *((byte*)(const struct Point*) points) -- _deref_pbuc1=_deref_pbuc2
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lda points
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sta SCREEN
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// [9] *((const nomodify byte*) main::SCREEN+(byte) 1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) -- _deref_pbuc1=_deref_pbuc2
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lda points+OFFSET_STRUCT_POINT_Y
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sta SCREEN+1
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// [10] *((const nomodify byte*) main::SCREEN+(byte) 3) ← *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) -- _deref_pbuc1=_deref_pbuc2
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lda points+1*SIZEOF_STRUCT_POINT
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sta SCREEN+3
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// [11] *((const nomodify byte*) main::SCREEN+(byte) 4) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) -- _deref_pbuc1=_deref_pbuc2
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lda points+OFFSET_STRUCT_POINT_Y+1*SIZEOF_STRUCT_POINT
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sta SCREEN+4
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jmp __breturn
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// main::@return
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__breturn:
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// [12] return
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rts
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}
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// File Data
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points: .fill 2*2, 0
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [4] *((byte*)(const struct Point*) points) ← (byte) 2 [ ] ( main:2 [ ] { } ) always clobbers reg byte a
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Statement [5] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 3 [ ] ( main:2 [ ] { } ) always clobbers reg byte a
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Statement [6] *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 5 [ ] ( main:2 [ ] { } ) always clobbers reg byte a
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Statement [7] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 6 [ ] ( main:2 [ ] { } ) always clobbers reg byte a
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Statement [8] *((const nomodify byte*) main::SCREEN) ← *((byte*)(const struct Point*) points) [ ] ( main:2 [ ] { } ) always clobbers reg byte a
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Statement [9] *((const nomodify byte*) main::SCREEN+(byte) 1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) [ ] ( main:2 [ ] { } ) always clobbers reg byte a
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Statement [10] *((const nomodify byte*) main::SCREEN+(byte) 3) ← *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) [ ] ( main:2 [ ] { } ) always clobbers reg byte a
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Statement [11] *((const nomodify byte*) main::SCREEN+(byte) 4) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) [ ] ( main:2 [ ] { } ) always clobbers reg byte a
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REGISTER UPLIFT SCOPES
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Uplift Scope [Point]
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Uplift Scope [main]
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Uplift Scope []
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Uplifting [Point] best 77 combination
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Uplifting [main] best 77 combination
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Uplifting [] best 77 combination
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Minimal struct - direct (constant) array access
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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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// @begin
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__bbegin:
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// [1] phi from @begin to @1 [phi:@begin->@1]
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__b1_from___bbegin:
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jmp __b1
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// @1
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__b1:
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// [2] call main
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jsr main
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// [3] phi from @1 to @end [phi:@1->@end]
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__bend_from___b1:
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jmp __bend
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// @end
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__bend:
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// main
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main: {
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.label SCREEN = $400
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// [4] *((byte*)(const struct Point*) points) ← (byte) 2 -- _deref_pbuc1=vbuc2
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lda #2
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sta points
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// [5] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 3 -- _deref_pbuc1=vbuc2
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lda #3
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sta points+OFFSET_STRUCT_POINT_Y
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// [6] *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 5 -- _deref_pbuc1=vbuc2
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lda #5
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sta points+1*SIZEOF_STRUCT_POINT
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// [7] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 6 -- _deref_pbuc1=vbuc2
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lda #6
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sta points+OFFSET_STRUCT_POINT_Y+1*SIZEOF_STRUCT_POINT
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// [8] *((const nomodify byte*) main::SCREEN) ← *((byte*)(const struct Point*) points) -- _deref_pbuc1=_deref_pbuc2
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lda points
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sta SCREEN
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// [9] *((const nomodify byte*) main::SCREEN+(byte) 1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) -- _deref_pbuc1=_deref_pbuc2
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lda points+OFFSET_STRUCT_POINT_Y
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sta SCREEN+1
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// [10] *((const nomodify byte*) main::SCREEN+(byte) 3) ← *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) -- _deref_pbuc1=_deref_pbuc2
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|
lda points+1*SIZEOF_STRUCT_POINT
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|
sta SCREEN+3
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// [11] *((const nomodify byte*) main::SCREEN+(byte) 4) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) -- _deref_pbuc1=_deref_pbuc2
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lda points+OFFSET_STRUCT_POINT_Y+1*SIZEOF_STRUCT_POINT
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sta SCREEN+4
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jmp __breturn
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// main::@return
|
|
__breturn:
|
|
// [12] return
|
|
rts
|
|
}
|
|
// File Data
|
|
points: .fill 2*2, 0
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|
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ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __bend
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Removing instruction __b1_from___bbegin:
|
|
Removing instruction __b1:
|
|
Removing instruction __bend_from___b1:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __bbegin:
|
|
Removing instruction __bend:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Removing instruction jsr main
|
|
Succesful ASM optimization Pass5SkipBegin
|
|
|
|
FINAL SYMBOL TABLE
|
|
(label) @1
|
|
(label) @begin
|
|
(label) @end
|
|
(const byte) OFFSET_STRUCT_POINT_Y = (byte) 1
|
|
(byte) Point::x
|
|
(byte) Point::y
|
|
(const byte) SIZEOF_STRUCT_POINT = (byte) 2
|
|
(void()) main()
|
|
(label) main::@return
|
|
(const nomodify byte*) main::SCREEN = (byte*) 1024
|
|
(const struct Point*) points[(number) 2] = { fill( 2, 0) }
|
|
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 62
|
|
|
|
// File Comments
|
|
// Minimal struct - direct (constant) array access
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
.const SIZEOF_STRUCT_POINT = 2
|
|
.const OFFSET_STRUCT_POINT_Y = 1
|
|
// @begin
|
|
// [1] phi from @begin to @1 [phi:@begin->@1]
|
|
// @1
|
|
// [2] call main
|
|
// [3] phi from @1 to @end [phi:@1->@end]
|
|
// @end
|
|
// main
|
|
main: {
|
|
.label SCREEN = $400
|
|
// points[0].x = 2
|
|
// [4] *((byte*)(const struct Point*) points) ← (byte) 2 -- _deref_pbuc1=vbuc2
|
|
lda #2
|
|
sta points
|
|
// points[0].y = 3
|
|
// [5] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 3 -- _deref_pbuc1=vbuc2
|
|
lda #3
|
|
sta points+OFFSET_STRUCT_POINT_Y
|
|
// points[1].x = 5
|
|
// [6] *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 5 -- _deref_pbuc1=vbuc2
|
|
lda #5
|
|
sta points+1*SIZEOF_STRUCT_POINT
|
|
// points[1].y = 6
|
|
// [7] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 6 -- _deref_pbuc1=vbuc2
|
|
lda #6
|
|
sta points+OFFSET_STRUCT_POINT_Y+1*SIZEOF_STRUCT_POINT
|
|
// SCREEN[0] = points[0].x
|
|
// [8] *((const nomodify byte*) main::SCREEN) ← *((byte*)(const struct Point*) points) -- _deref_pbuc1=_deref_pbuc2
|
|
lda points
|
|
sta SCREEN
|
|
// SCREEN[1] = points[0].y
|
|
// [9] *((const nomodify byte*) main::SCREEN+(byte) 1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) -- _deref_pbuc1=_deref_pbuc2
|
|
lda points+OFFSET_STRUCT_POINT_Y
|
|
sta SCREEN+1
|
|
// SCREEN[3] = points[1].x
|
|
// [10] *((const nomodify byte*) main::SCREEN+(byte) 3) ← *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) -- _deref_pbuc1=_deref_pbuc2
|
|
lda points+1*SIZEOF_STRUCT_POINT
|
|
sta SCREEN+3
|
|
// SCREEN[4] = points[1].y
|
|
// [11] *((const nomodify byte*) main::SCREEN+(byte) 4) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) -- _deref_pbuc1=_deref_pbuc2
|
|
lda points+OFFSET_STRUCT_POINT_Y+1*SIZEOF_STRUCT_POINT
|
|
sta SCREEN+4
|
|
// main::@return
|
|
// }
|
|
// [12] return
|
|
rts
|
|
}
|
|
// File Data
|
|
points: .fill 2*2, 0
|
|
|