mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-09 08:54:40 +00:00
753 lines
31 KiB
Plaintext
753 lines
31 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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(byte) main::i#0 ← (byte) 0
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to:main::@1
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main::@1: scope:[main] from main main::@1
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(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@1/(byte) main::i#1 )
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(number~) main::$0 ← (number) 2 + (byte) main::i#2
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(byte~) main::$4 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
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*((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (byte~) main::$4) ← (number~) main::$0
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(number~) main::$1 ← (number) 3 + (byte) main::i#2
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(byte~) main::$5 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
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*((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$5) ← (number~) main::$1
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(byte) main::i#1 ← (byte) main::i#2 + rangenext(0,1)
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(bool~) main::$2 ← (byte) main::i#1 != rangelast(0,1)
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if((bool~) main::$2) goto main::@1
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to:main::@2
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main::@2: scope:[main] from main::@1
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(byte) main::idx#0 ← (byte) 0
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(byte) main::i1#0 ← (byte) 0
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to:main::@3
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main::@3: scope:[main] from main::@2 main::@3
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(byte) main::idx#4 ← phi( main::@2/(byte) main::idx#0 main::@3/(byte) main::idx#3 )
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(byte) main::i1#2 ← phi( main::@2/(byte) main::i1#0 main::@3/(byte) main::i1#1 )
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(byte~) main::$6 ← (byte) main::i1#2 * (const byte) SIZEOF_STRUCT_POINT
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*((const nomodify byte*) main::SCREEN + (byte) main::idx#4) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (byte~) main::$6)
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(byte) main::idx#1 ← ++ (byte) main::idx#4
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(byte~) main::$7 ← (byte) main::i1#2 * (const byte) SIZEOF_STRUCT_POINT
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*((const nomodify byte*) main::SCREEN + (byte) main::idx#1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$7)
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(byte) main::idx#2 ← ++ (byte) main::idx#1
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*((const nomodify byte*) main::SCREEN + (byte) main::idx#2) ← (byte) ' '
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(byte) main::idx#3 ← ++ (byte) main::idx#2
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(byte) main::i1#1 ← (byte) main::i1#2 + rangenext(0,1)
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(bool~) main::$3 ← (byte) main::i1#1 != rangelast(0,1)
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if((bool~) main::$3) goto main::@3
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to:main::@return
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main::@return: scope:[main] from main::@3
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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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(bool~) main::$2
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(bool~) main::$3
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(byte~) main::$4
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(byte~) main::$5
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(byte~) main::$6
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(byte~) main::$7
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(label) main::@1
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(label) main::@2
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(label) main::@3
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(label) main::@return
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(const nomodify byte*) main::SCREEN = (byte*)(number) $400
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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::i1
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(byte) main::i1#0
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(byte) main::i1#1
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(byte) main::i1#2
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(byte) main::idx
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(byte) main::idx#0
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(byte) main::idx#1
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(byte) main::idx#2
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(byte) main::idx#3
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(byte) main::idx#4
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(const struct Point*) points[(number) 2] = { fill( 2, 0) }
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Adding number conversion cast (unumber) 2 in (number~) main::$0 ← (number) 2 + (byte) main::i#2
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Adding number conversion cast (unumber) main::$0 in (number~) main::$0 ← (unumber)(number) 2 + (byte) main::i#2
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Adding number conversion cast (unumber) 3 in (number~) main::$1 ← (number) 3 + (byte) main::i#2
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Adding number conversion cast (unumber) main::$1 in (number~) main::$1 ← (unumber)(number) 3 + (byte) main::i#2
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant pointer cast (byte*) 1024
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Simplifying constant integer cast 2
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Simplifying constant integer cast 3
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 2
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Finalized unsigned number type (byte) 3
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inferred type updated to byte in (unumber~) main::$0 ← (byte) 2 + (byte) main::i#2
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Inferred type updated to byte in (unumber~) main::$1 ← (byte) 3 + (byte) main::i#2
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Identified duplicate assignment right side [6] (byte~) main::$5 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
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Identified duplicate assignment right side [17] (byte~) main::$7 ← (byte) main::i1#2 * (const byte) SIZEOF_STRUCT_POINT
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Successful SSA optimization Pass2DuplicateRValueIdentification
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Simple Condition (bool~) main::$2 [10] if((byte) main::i#1!=rangelast(0,1)) goto main::@1
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Simple Condition (bool~) main::$3 [24] if((byte) main::i1#1!=rangelast(0,1)) goto main::@3
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant (const byte) main::i#0 = 0
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Constant (const byte) main::idx#0 = 0
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Constant (const byte) main::i1#0 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [8] main::i#1 ← ++ main::i#2 to ++
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Resolved ranged comparison value [10] if(main::i#1!=rangelast(0,1)) goto main::@1 to (number) 2
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Resolved ranged next value [22] main::i1#1 ← ++ main::i1#2 to ++
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Resolved ranged comparison value [24] if(main::i1#1!=rangelast(0,1)) goto main::@3 to (number) 2
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Simplifying expression containing zero (byte*)points in [4] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (byte~) main::$4) ← (byte~) main::$0
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Simplifying expression containing zero (byte*)points in [15] *((const nomodify byte*) main::SCREEN + (byte) main::idx#4) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (byte~) main::$6)
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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) 2 in if((byte) main::i#1!=(number) 2) goto main::@1
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Adding number conversion cast (unumber) 2 in if((byte) main::i1#1!=(number) 2) goto main::@3
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast 2
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Simplifying constant integer cast 2
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 2
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Finalized unsigned number type (byte) 2
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Alias main::$5 = main::$4
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Alias main::$7 = main::$6
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Successful SSA optimization Pass2AliasElimination
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Rewriting multiplication to use shift [2] (byte~) main::$5 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
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Rewriting multiplication to use shift [9] (byte~) main::$7 ← (byte) main::i1#2 * (const byte) SIZEOF_STRUCT_POINT
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Successful SSA optimization Pass2MultiplyToShiftRewriting
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Inlining constant with var siblings (const byte) main::i#0
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Inlining constant with var siblings (const byte) main::idx#0
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Inlining constant with var siblings (const byte) main::i1#0
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Constant inlined main::i#0 = (byte) 0
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Constant inlined main::i1#0 = (byte) 0
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Constant inlined main::idx#0 = (byte) 0
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Successful SSA optimization Pass2ConstantInlining
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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::@1 and main::@1)
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Added new block during phi lifting main::@5(between main::@3 and main::@3)
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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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Adding NOP phi() at start of main
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Adding NOP phi() at start of main::@2
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CALL GRAPH
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Calls in [] to main:2
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Created 3 initial phi equivalence classes
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Coalesced [26] main::i1#3 ← main::i1#1
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Coalesced [27] main::idx#5 ← main::idx#3
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Coalesced [28] main::i#3 ← main::i#1
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Coalesced down to 3 phi equivalence classes
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Culled Empty Block (label) @2
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Culled Empty Block (label) main::@2
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Culled Empty Block (label) main::@5
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Culled Empty Block (label) main::@4
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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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(void()) main()
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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::@1
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[5] (byte) main::i#2 ← phi( main/(byte) 0 main::@1/(byte) main::i#1 )
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[6] (byte~) main::$0 ← (byte) 2 + (byte) main::i#2
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[7] (byte~) main::$5 ← (byte) main::i#2 << (byte) 1
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[8] *((byte*)(const struct Point*) points + (byte~) main::$5) ← (byte~) main::$0
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[9] (byte~) main::$1 ← (byte) 3 + (byte) main::i#2
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[10] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$5) ← (byte~) 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) 2) goto main::@1
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to:main::@2
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main::@2: scope:[main] from main::@1 main::@2
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[13] (byte) main::idx#4 ← phi( main::@1/(byte) 0 main::@2/(byte) main::idx#3 )
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[13] (byte) main::i1#2 ← phi( main::@1/(byte) 0 main::@2/(byte) main::i1#1 )
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[14] (byte~) main::$7 ← (byte) main::i1#2 << (byte) 1
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[15] *((const nomodify byte*) main::SCREEN + (byte) main::idx#4) ← *((byte*)(const struct Point*) points + (byte~) main::$7)
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[16] (byte) main::idx#1 ← ++ (byte) main::idx#4
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[17] *((const nomodify byte*) main::SCREEN + (byte) main::idx#1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$7)
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[18] (byte) main::idx#2 ← ++ (byte) main::idx#1
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[19] *((const nomodify byte*) main::SCREEN + (byte) main::idx#2) ← (byte) ' '
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[20] (byte) main::idx#3 ← ++ (byte) main::idx#2
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[21] (byte) main::i1#1 ← ++ (byte) main::i1#2
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[22] if((byte) main::i1#1!=(byte) 2) goto main::@2
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to:main::@return
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main::@return: scope:[main] from main::@2
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[23] 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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(byte~) main::$0 101.0
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(byte~) main::$1 202.0
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(byte~) main::$5 101.0
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(byte~) main::$7 101.0
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(byte) main::i
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(byte) main::i#1 151.5
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(byte) main::i#2 84.16666666666666
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(byte) main::i1
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(byte) main::i1#1 151.5
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(byte) main::i1#2 37.875
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(byte) main::idx
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(byte) main::idx#1 151.5
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(byte) main::idx#2 151.5
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(byte) main::idx#3 67.33333333333333
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(byte) main::idx#4 101.0
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::i1#2 main::i1#1 ]
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[ main::idx#4 main::idx#3 ]
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Added variable main::$0 to live range equivalence class [ main::$0 ]
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Added variable main::$5 to live range equivalence class [ main::$5 ]
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Added variable main::$1 to live range equivalence class [ main::$1 ]
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Added variable main::$7 to live range equivalence class [ main::$7 ]
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Added variable main::idx#1 to live range equivalence class [ main::idx#1 ]
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Added variable main::idx#2 to live range equivalence class [ main::idx#2 ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::i1#2 main::i1#1 ]
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[ main::idx#4 main::idx#3 ]
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[ main::$0 ]
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[ main::$5 ]
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[ main::$1 ]
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[ main::$7 ]
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[ main::idx#1 ]
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[ main::idx#2 ]
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Allocated zp[1]:2 [ main::i#2 main::i#1 ]
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Allocated zp[1]:3 [ main::i1#2 main::i1#1 ]
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Allocated zp[1]:4 [ main::idx#4 main::idx#3 ]
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Allocated zp[1]:5 [ main::$0 ]
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Allocated zp[1]:6 [ main::$5 ]
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Allocated zp[1]:7 [ main::$1 ]
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Allocated zp[1]:8 [ main::$7 ]
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Allocated zp[1]:9 [ main::idx#1 ]
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Allocated zp[1]:10 [ main::idx#2 ]
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INITIAL ASM
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Target platform is c64basic / MOS6502X
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// File Comments
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// Minimal struct - variable 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 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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// [4] phi from @1 to main [phi:@1->main]
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main_from___b1:
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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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.label __0 = 5
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.label __1 = 7
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.label __5 = 6
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.label __7 = 8
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.label i = 2
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.label idx = 9
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.label idx_1 = $a
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.label idx_2 = 4
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.label i1 = 3
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// [5] phi from main to main::@1 [phi:main->main::@1]
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__b1_from_main:
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// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
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lda #0
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sta.z i
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jmp __b1
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// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
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__b1_from___b1:
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// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
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jmp __b1
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// main::@1
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__b1:
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// [6] (byte~) main::$0 ← (byte) 2 + (byte) main::i#2 -- vbuz1=vbuc1_plus_vbuz2
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lax.z i
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axs #-[2]
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stx.z __0
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// [7] (byte~) main::$5 ← (byte) main::i#2 << (byte) 1 -- vbuz1=vbuz2_rol_1
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lda.z i
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asl
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sta.z __5
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// [8] *((byte*)(const struct Point*) points + (byte~) main::$5) ← (byte~) main::$0 -- pbuc1_derefidx_vbuz1=vbuz2
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lda.z __0
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ldy.z __5
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sta points,y
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// [9] (byte~) main::$1 ← (byte) 3 + (byte) main::i#2 -- vbuz1=vbuc1_plus_vbuz2
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lax.z i
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axs #-[3]
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stx.z __1
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// [10] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$5) ← (byte~) main::$1 -- pbuc1_derefidx_vbuz1=vbuz2
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lda.z __1
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ldy.z __5
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sta points+OFFSET_STRUCT_POINT_Y,y
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// [11] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
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inc.z i
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// [12] if((byte) main::i#1!=(byte) 2) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #2
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cmp.z i
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bne __b1_from___b1
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// [13] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
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__b2_from___b1:
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// [13] phi (byte) main::idx#4 = (byte) 0 [phi:main::@1->main::@2#0] -- vbuz1=vbuc1
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lda #0
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sta.z idx_2
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// [13] phi (byte) main::i1#2 = (byte) 0 [phi:main::@1->main::@2#1] -- vbuz1=vbuc1
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lda #0
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sta.z i1
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jmp __b2
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// [13] phi from main::@2 to main::@2 [phi:main::@2->main::@2]
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__b2_from___b2:
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// [13] phi (byte) main::idx#4 = (byte) main::idx#3 [phi:main::@2->main::@2#0] -- register_copy
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// [13] phi (byte) main::i1#2 = (byte) main::i1#1 [phi:main::@2->main::@2#1] -- register_copy
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jmp __b2
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// main::@2
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__b2:
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// [14] (byte~) main::$7 ← (byte) main::i1#2 << (byte) 1 -- vbuz1=vbuz2_rol_1
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lda.z i1
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asl
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sta.z __7
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// [15] *((const nomodify byte*) main::SCREEN + (byte) main::idx#4) ← *((byte*)(const struct Point*) points + (byte~) main::$7) -- pbuc1_derefidx_vbuz1=pbuc2_derefidx_vbuz2
|
|
ldy.z __7
|
|
lda points,y
|
|
ldy.z idx_2
|
|
sta SCREEN,y
|
|
// [16] (byte) main::idx#1 ← ++ (byte) main::idx#4 -- vbuz1=_inc_vbuz2
|
|
ldy.z idx_2
|
|
iny
|
|
sty.z idx
|
|
// [17] *((const nomodify byte*) main::SCREEN + (byte) main::idx#1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$7) -- pbuc1_derefidx_vbuz1=pbuc2_derefidx_vbuz2
|
|
ldy.z __7
|
|
lda points+OFFSET_STRUCT_POINT_Y,y
|
|
ldy.z idx
|
|
sta SCREEN,y
|
|
// [18] (byte) main::idx#2 ← ++ (byte) main::idx#1 -- vbuz1=_inc_vbuz2
|
|
ldy.z idx
|
|
iny
|
|
sty.z idx_1
|
|
// [19] *((const nomodify byte*) main::SCREEN + (byte) main::idx#2) ← (byte) ' ' -- pbuc1_derefidx_vbuz1=vbuc2
|
|
lda #' '
|
|
ldy.z idx_1
|
|
sta SCREEN,y
|
|
// [20] (byte) main::idx#3 ← ++ (byte) main::idx#2 -- vbuz1=_inc_vbuz2
|
|
ldy.z idx_1
|
|
iny
|
|
sty.z idx_2
|
|
// [21] (byte) main::i1#1 ← ++ (byte) main::i1#2 -- vbuz1=_inc_vbuz1
|
|
inc.z i1
|
|
// [22] if((byte) main::i1#1!=(byte) 2) goto main::@2 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #2
|
|
cmp.z i1
|
|
bne __b2_from___b2
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [23] return
|
|
rts
|
|
}
|
|
// File Data
|
|
points: .fill 2*2, 0
|
|
|
|
REGISTER UPLIFT POTENTIAL REGISTERS
|
|
Statement [7] (byte~) main::$5 ← (byte) main::i#2 << (byte) 1 [ main::i#2 main::$0 main::$5 ] ( main:2 [ main::i#2 main::$0 main::$5 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:2 [ main::i#2 main::i#1 ]
|
|
Removing always clobbered register reg byte a as potential for zp[1]:5 [ main::$0 ]
|
|
Statement [8] *((byte*)(const struct Point*) points + (byte~) main::$5) ← (byte~) main::$0 [ main::i#2 main::$5 ] ( main:2 [ main::i#2 main::$5 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:6 [ main::$5 ]
|
|
Statement [9] (byte~) main::$1 ← (byte) 3 + (byte) main::i#2 [ main::i#2 main::$5 main::$1 ] ( main:2 [ main::i#2 main::$5 main::$1 ] { } ) always clobbers reg byte a
|
|
Statement [14] (byte~) main::$7 ← (byte) main::i1#2 << (byte) 1 [ main::i1#2 main::idx#4 main::$7 ] ( main:2 [ main::i1#2 main::idx#4 main::$7 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:3 [ main::i1#2 main::i1#1 ]
|
|
Removing always clobbered register reg byte a as potential for zp[1]:4 [ main::idx#4 main::idx#3 ]
|
|
Statement [15] *((const nomodify byte*) main::SCREEN + (byte) main::idx#4) ← *((byte*)(const struct Point*) points + (byte~) main::$7) [ main::i1#2 main::idx#4 main::$7 ] ( main:2 [ main::i1#2 main::idx#4 main::$7 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:8 [ main::$7 ]
|
|
Statement [17] *((const nomodify byte*) main::SCREEN + (byte) main::idx#1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$7) [ main::i1#2 main::idx#1 ] ( main:2 [ main::i1#2 main::idx#1 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:9 [ main::idx#1 ]
|
|
Statement [19] *((const nomodify byte*) main::SCREEN + (byte) main::idx#2) ← (byte) ' ' [ main::i1#2 main::idx#2 ] ( main:2 [ main::i1#2 main::idx#2 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:10 [ main::idx#2 ]
|
|
Statement [6] (byte~) main::$0 ← (byte) 2 + (byte) main::i#2 [ main::i#2 main::$0 ] ( main:2 [ main::i#2 main::$0 ] { } ) always clobbers reg byte a
|
|
Statement [7] (byte~) main::$5 ← (byte) main::i#2 << (byte) 1 [ main::i#2 main::$0 main::$5 ] ( main:2 [ main::i#2 main::$0 main::$5 ] { } ) always clobbers reg byte a
|
|
Statement [8] *((byte*)(const struct Point*) points + (byte~) main::$5) ← (byte~) main::$0 [ main::i#2 main::$5 ] ( main:2 [ main::i#2 main::$5 ] { } ) always clobbers reg byte a
|
|
Statement [9] (byte~) main::$1 ← (byte) 3 + (byte) main::i#2 [ main::i#2 main::$5 main::$1 ] ( main:2 [ main::i#2 main::$5 main::$1 ] { } ) always clobbers reg byte a
|
|
Statement [14] (byte~) main::$7 ← (byte) main::i1#2 << (byte) 1 [ main::i1#2 main::idx#4 main::$7 ] ( main:2 [ main::i1#2 main::idx#4 main::$7 ] { } ) always clobbers reg byte a
|
|
Statement [15] *((const nomodify byte*) main::SCREEN + (byte) main::idx#4) ← *((byte*)(const struct Point*) points + (byte~) main::$7) [ main::i1#2 main::idx#4 main::$7 ] ( main:2 [ main::i1#2 main::idx#4 main::$7 ] { } ) always clobbers reg byte a
|
|
Statement [17] *((const nomodify byte*) main::SCREEN + (byte) main::idx#1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$7) [ main::i1#2 main::idx#1 ] ( main:2 [ main::i1#2 main::idx#1 ] { } ) always clobbers reg byte a
|
|
Statement [19] *((const nomodify byte*) main::SCREEN + (byte) main::idx#2) ← (byte) ' ' [ main::i1#2 main::idx#2 ] ( main:2 [ main::i1#2 main::idx#2 ] { } ) always clobbers reg byte a
|
|
Potential registers zp[1]:2 [ main::i#2 main::i#1 ] : zp[1]:2 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:3 [ main::i1#2 main::i1#1 ] : zp[1]:3 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:4 [ main::idx#4 main::idx#3 ] : zp[1]:4 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:5 [ main::$0 ] : zp[1]:5 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:6 [ main::$5 ] : zp[1]:6 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:7 [ main::$1 ] : zp[1]:7 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:8 [ main::$7 ] : zp[1]:8 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:9 [ main::idx#1 ] : zp[1]:9 , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:10 [ main::idx#2 ] : zp[1]:10 , reg byte x , reg byte y ,
|
|
|
|
REGISTER UPLIFT SCOPES
|
|
Uplift Scope [main] 235.67: zp[1]:2 [ main::i#2 main::i#1 ] 202: zp[1]:7 [ main::$1 ] 189.38: zp[1]:3 [ main::i1#2 main::i1#1 ] 168.33: zp[1]:4 [ main::idx#4 main::idx#3 ] 151.5: zp[1]:9 [ main::idx#1 ] 151.5: zp[1]:10 [ main::idx#2 ] 101: zp[1]:5 [ main::$0 ] 101: zp[1]:6 [ main::$5 ] 101: zp[1]:8 [ main::$7 ]
|
|
Uplift Scope [Point]
|
|
Uplift Scope []
|
|
|
|
Uplifting [main] best 1598 combination zp[1]:2 [ main::i#2 main::i#1 ] reg byte a [ main::$1 ] zp[1]:3 [ main::i1#2 main::i1#1 ] reg byte x [ main::idx#4 main::idx#3 ] zp[1]:9 [ main::idx#1 ] zp[1]:10 [ main::idx#2 ] zp[1]:5 [ main::$0 ] zp[1]:6 [ main::$5 ] zp[1]:8 [ main::$7 ]
|
|
Limited combination testing to 100 combinations of 26244 possible.
|
|
Uplifting [Point] best 1598 combination
|
|
Uplifting [] best 1598 combination
|
|
Attempting to uplift remaining variables inzp[1]:2 [ main::i#2 main::i#1 ]
|
|
Uplifting [main] best 1598 combination zp[1]:2 [ main::i#2 main::i#1 ]
|
|
Attempting to uplift remaining variables inzp[1]:3 [ main::i1#2 main::i1#1 ]
|
|
Uplifting [main] best 1598 combination zp[1]:3 [ main::i1#2 main::i1#1 ]
|
|
Attempting to uplift remaining variables inzp[1]:9 [ main::idx#1 ]
|
|
Uplifting [main] best 1508 combination reg byte x [ main::idx#1 ]
|
|
Attempting to uplift remaining variables inzp[1]:10 [ main::idx#2 ]
|
|
Uplifting [main] best 1418 combination reg byte x [ main::idx#2 ]
|
|
Attempting to uplift remaining variables inzp[1]:5 [ main::$0 ]
|
|
Uplifting [main] best 1378 combination reg byte x [ main::$0 ]
|
|
Attempting to uplift remaining variables inzp[1]:6 [ main::$5 ]
|
|
Uplifting [main] best 1308 combination reg byte y [ main::$5 ]
|
|
Attempting to uplift remaining variables inzp[1]:8 [ main::$7 ]
|
|
Uplifting [main] best 1238 combination reg byte y [ main::$7 ]
|
|
|
|
ASSEMBLER BEFORE OPTIMIZATION
|
|
// File Comments
|
|
// Minimal struct - variable array access
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
.const OFFSET_STRUCT_POINT_Y = 1
|
|
// @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 SCREEN = $400
|
|
.label i = 2
|
|
.label i1 = 3
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
|
__b1_from_main:
|
|
// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z i
|
|
jmp __b1
|
|
// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
|
__b1_from___b1:
|
|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
|
jmp __b1
|
|
// main::@1
|
|
__b1:
|
|
// [6] (byte~) main::$0 ← (byte) 2 + (byte) main::i#2 -- vbuxx=vbuc1_plus_vbuz1
|
|
lax.z i
|
|
axs #-[2]
|
|
// [7] (byte~) main::$5 ← (byte) main::i#2 << (byte) 1 -- vbuyy=vbuz1_rol_1
|
|
lda.z i
|
|
asl
|
|
tay
|
|
// [8] *((byte*)(const struct Point*) points + (byte~) main::$5) ← (byte~) main::$0 -- pbuc1_derefidx_vbuyy=vbuxx
|
|
txa
|
|
sta points,y
|
|
// [9] (byte~) main::$1 ← (byte) 3 + (byte) main::i#2 -- vbuaa=vbuc1_plus_vbuz1
|
|
lda #3
|
|
clc
|
|
adc.z i
|
|
// [10] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$5) ← (byte~) main::$1 -- pbuc1_derefidx_vbuyy=vbuaa
|
|
sta points+OFFSET_STRUCT_POINT_Y,y
|
|
// [11] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
|
|
inc.z i
|
|
// [12] if((byte) main::i#1!=(byte) 2) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #2
|
|
cmp.z i
|
|
bne __b1_from___b1
|
|
// [13] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
|
|
__b2_from___b1:
|
|
// [13] phi (byte) main::idx#4 = (byte) 0 [phi:main::@1->main::@2#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [13] phi (byte) main::i1#2 = (byte) 0 [phi:main::@1->main::@2#1] -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z i1
|
|
jmp __b2
|
|
// [13] phi from main::@2 to main::@2 [phi:main::@2->main::@2]
|
|
__b2_from___b2:
|
|
// [13] phi (byte) main::idx#4 = (byte) main::idx#3 [phi:main::@2->main::@2#0] -- register_copy
|
|
// [13] phi (byte) main::i1#2 = (byte) main::i1#1 [phi:main::@2->main::@2#1] -- register_copy
|
|
jmp __b2
|
|
// main::@2
|
|
__b2:
|
|
// [14] (byte~) main::$7 ← (byte) main::i1#2 << (byte) 1 -- vbuyy=vbuz1_rol_1
|
|
lda.z i1
|
|
asl
|
|
tay
|
|
// [15] *((const nomodify byte*) main::SCREEN + (byte) main::idx#4) ← *((byte*)(const struct Point*) points + (byte~) main::$7) -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_vbuyy
|
|
lda points,y
|
|
sta SCREEN,x
|
|
// [16] (byte) main::idx#1 ← ++ (byte) main::idx#4 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [17] *((const nomodify byte*) main::SCREEN + (byte) main::idx#1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$7) -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_vbuyy
|
|
lda points+OFFSET_STRUCT_POINT_Y,y
|
|
sta SCREEN,x
|
|
// [18] (byte) main::idx#2 ← ++ (byte) main::idx#1 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [19] *((const nomodify byte*) main::SCREEN + (byte) main::idx#2) ← (byte) ' ' -- pbuc1_derefidx_vbuxx=vbuc2
|
|
lda #' '
|
|
sta SCREEN,x
|
|
// [20] (byte) main::idx#3 ← ++ (byte) main::idx#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [21] (byte) main::i1#1 ← ++ (byte) main::i1#2 -- vbuz1=_inc_vbuz1
|
|
inc.z i1
|
|
// [22] if((byte) main::i1#1!=(byte) 2) goto main::@2 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #2
|
|
cmp.z i1
|
|
bne __b2_from___b2
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [23] return
|
|
rts
|
|
}
|
|
// File Data
|
|
points: .fill 2*2, 0
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __bend
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Replacing instruction lda #0 with TXA
|
|
Replacing label __b1_from___b1 with __b1
|
|
Replacing label __b2_from___b2 with __b2
|
|
Removing instruction __b1_from___bbegin:
|
|
Removing instruction __b1:
|
|
Removing instruction main_from___b1:
|
|
Removing instruction __bend_from___b1:
|
|
Removing instruction __b1_from___b1:
|
|
Removing instruction __b2_from___b2:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __bbegin:
|
|
Removing instruction __bend:
|
|
Removing instruction __b1_from_main:
|
|
Removing instruction __b2_from___b1:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Removing instruction jsr main
|
|
Succesful ASM optimization Pass5SkipBegin
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b2
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
(label) @1
|
|
(label) @begin
|
|
(label) @end
|
|
(const byte) OFFSET_STRUCT_POINT_Y = (byte) 1
|
|
(byte) Point::x
|
|
(byte) Point::y
|
|
(void()) main()
|
|
(byte~) main::$0 reg byte x 101.0
|
|
(byte~) main::$1 reg byte a 202.0
|
|
(byte~) main::$5 reg byte y 101.0
|
|
(byte~) main::$7 reg byte y 101.0
|
|
(label) main::@1
|
|
(label) main::@2
|
|
(label) main::@return
|
|
(const nomodify byte*) main::SCREEN = (byte*) 1024
|
|
(byte) main::i
|
|
(byte) main::i#1 i zp[1]:2 151.5
|
|
(byte) main::i#2 i zp[1]:2 84.16666666666666
|
|
(byte) main::i1
|
|
(byte) main::i1#1 i1 zp[1]:3 151.5
|
|
(byte) main::i1#2 i1 zp[1]:3 37.875
|
|
(byte) main::idx
|
|
(byte) main::idx#1 reg byte x 151.5
|
|
(byte) main::idx#2 reg byte x 151.5
|
|
(byte) main::idx#3 reg byte x 67.33333333333333
|
|
(byte) main::idx#4 reg byte x 101.0
|
|
(const struct Point*) points[(number) 2] = { fill( 2, 0) }
|
|
|
|
zp[1]:2 [ main::i#2 main::i#1 ]
|
|
zp[1]:3 [ main::i1#2 main::i1#1 ]
|
|
reg byte x [ main::idx#4 main::idx#3 ]
|
|
reg byte x [ main::$0 ]
|
|
reg byte y [ main::$5 ]
|
|
reg byte a [ main::$1 ]
|
|
reg byte y [ main::$7 ]
|
|
reg byte x [ main::idx#1 ]
|
|
reg byte x [ main::idx#2 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 1076
|
|
|
|
// File Comments
|
|
// Minimal struct - variable array access
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
.const OFFSET_STRUCT_POINT_Y = 1
|
|
// @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: {
|
|
.label SCREEN = $400
|
|
.label i = 2
|
|
.label i1 = 3
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
|
// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z i
|
|
// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
|
|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
|
|
// main::@1
|
|
__b1:
|
|
// 2+i
|
|
// [6] (byte~) main::$0 ← (byte) 2 + (byte) main::i#2 -- vbuxx=vbuc1_plus_vbuz1
|
|
lax.z i
|
|
axs #-[2]
|
|
// points[i].x = 2+i
|
|
// [7] (byte~) main::$5 ← (byte) main::i#2 << (byte) 1 -- vbuyy=vbuz1_rol_1
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|
lda.z i
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|
asl
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|
tay
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|
// [8] *((byte*)(const struct Point*) points + (byte~) main::$5) ← (byte~) main::$0 -- pbuc1_derefidx_vbuyy=vbuxx
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|
txa
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sta points,y
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// 3+i
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// [9] (byte~) main::$1 ← (byte) 3 + (byte) main::i#2 -- vbuaa=vbuc1_plus_vbuz1
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|
lda #3
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|
clc
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|
adc.z i
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|
// points[i].y = 3+i
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// [10] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$5) ← (byte~) main::$1 -- pbuc1_derefidx_vbuyy=vbuaa
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|
sta points+OFFSET_STRUCT_POINT_Y,y
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|
// for( byte i: 0..1)
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|
// [11] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
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|
inc.z i
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|
// [12] if((byte) main::i#1!=(byte) 2) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #2
|
|
cmp.z i
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|
bne __b1
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|
// [13] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
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// [13] phi (byte) main::idx#4 = (byte) 0 [phi:main::@1->main::@2#0] -- vbuxx=vbuc1
|
|
ldx #0
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|
// [13] phi (byte) main::i1#2 = (byte) 0 [phi:main::@1->main::@2#1] -- vbuz1=vbuc1
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|
txa
|
|
sta.z i1
|
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// [13] phi from main::@2 to main::@2 [phi:main::@2->main::@2]
|
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// [13] phi (byte) main::idx#4 = (byte) main::idx#3 [phi:main::@2->main::@2#0] -- register_copy
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|
// [13] phi (byte) main::i1#2 = (byte) main::i1#1 [phi:main::@2->main::@2#1] -- register_copy
|
|
// main::@2
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|
__b2:
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|
// SCREEN[idx++] = points[i].x
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|
// [14] (byte~) main::$7 ← (byte) main::i1#2 << (byte) 1 -- vbuyy=vbuz1_rol_1
|
|
lda.z i1
|
|
asl
|
|
tay
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|
// [15] *((const nomodify byte*) main::SCREEN + (byte) main::idx#4) ← *((byte*)(const struct Point*) points + (byte~) main::$7) -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_vbuyy
|
|
lda points,y
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|
sta SCREEN,x
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|
// SCREEN[idx++] = points[i].x;
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|
// [16] (byte) main::idx#1 ← ++ (byte) main::idx#4 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// SCREEN[idx++] = points[i].y
|
|
// [17] *((const nomodify byte*) main::SCREEN + (byte) main::idx#1) ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$7) -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_vbuyy
|
|
lda points+OFFSET_STRUCT_POINT_Y,y
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|
sta SCREEN,x
|
|
// SCREEN[idx++] = points[i].y;
|
|
// [18] (byte) main::idx#2 ← ++ (byte) main::idx#1 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// SCREEN[idx++] = ' '
|
|
// [19] *((const nomodify byte*) main::SCREEN + (byte) main::idx#2) ← (byte) ' ' -- pbuc1_derefidx_vbuxx=vbuc2
|
|
lda #' '
|
|
sta SCREEN,x
|
|
// SCREEN[idx++] = ' ';
|
|
// [20] (byte) main::idx#3 ← ++ (byte) main::idx#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// for( byte i: 0..1)
|
|
// [21] (byte) main::i1#1 ← ++ (byte) main::i1#2 -- vbuz1=_inc_vbuz1
|
|
inc.z i1
|
|
// [22] if((byte) main::i1#1!=(byte) 2) goto main::@2 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #2
|
|
cmp.z i1
|
|
bne __b2
|
|
// main::@return
|
|
// }
|
|
// [23] return
|
|
rts
|
|
}
|
|
// File Data
|
|
points: .fill 2*2, 0
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