mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-10-21 17:24:39 +00:00
429 lines
15 KiB
Plaintext
429 lines
15 KiB
Plaintext
Fixing pointer array-indexing *((signed word[3]) world + (byte) main::i)
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Fixing pointer array-indexing *((signed word[3]) world + (number) 0)
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Adding pointer type conversion cast (signed word*) main::screen in (signed word*) main::screen ← (number) $400
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Identified constant variable (signed word*) main::screen
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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(signed word[3]) world#0 ← { fill( 3, 0) }
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to:@1
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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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(byte~) main::$1 ← (byte) main::i#2 * (const byte) SIZEOF_SIGNED_WORD
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*((signed word[3]) world#0 + (byte~) main::$1) ← (number) $190
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(byte) main::i#1 ← (byte) main::i#2 + rangenext(0,2)
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(bool~) main::$0 ← (byte) main::i#1 != rangelast(0,2)
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if((bool~) main::$0) 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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(signed word*) main::screen#0 ← ((signed word*)) (number) $400
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(number~) main::$2 ← (number) 0 * (const byte) SIZEOF_SIGNED_WORD
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*((signed word*) main::screen#0) ← *((signed word[3]) world#0 + (number~) main::$2)
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to:main::@return
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main::@return: scope:[main] from main::@2
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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) SIZEOF_SIGNED_WORD = (byte) 2
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(void()) main()
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(bool~) main::$0
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(byte~) main::$1
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(number~) main::$2
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(label) main::@1
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(label) main::@2
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(label) main::@return
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(byte) main::i
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(byte) main::i#0
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(byte) main::i#1
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(byte) main::i#2
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(signed word*) main::screen
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(signed word*) main::screen#0
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(signed word[3]) world
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(signed word[3]) world#0
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Adding number conversion cast (snumber) $190 in *((signed word[3]) world#0 + (byte~) main::$1) ← (number) $190
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Adding number conversion cast (unumber) 0 in (number~) main::$2 ← (number) 0 * (const byte) SIZEOF_SIGNED_WORD
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Adding number conversion cast (unumber) main::$2 in (number~) main::$2 ← (unumber)(number) 0 * (const byte) SIZEOF_SIGNED_WORD
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast *((signed word[3]) world#0 + (byte~) main::$1) ← (snumber)(number) $190
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Inlining cast (signed word*) main::screen#0 ← (signed word*)(number) $400
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Successful SSA optimization Pass2InlineCast
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Simplifying constant integer cast $190
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Simplifying constant pointer cast (signed word*) 1024
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Simplifying constant integer cast 0
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Successful SSA optimization PassNCastSimplification
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Finalized signed number type (signed word) $190
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Finalized unsigned number type (byte) 0
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inferred type updated to byte in (unumber~) main::$2 ← (byte) 0 * (const byte) SIZEOF_SIGNED_WORD
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Simple Condition (bool~) main::$0 [7] if((byte) main::i#1!=rangelast(0,2)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant right-side identified [0] (signed word[3]) world#0 ← { fill( 3, 0) }
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Constant right-side identified [9] (byte~) main::$2 ← (byte) 0 * (const byte) SIZEOF_SIGNED_WORD
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant (const signed word[3]) world#0 = { fill( 3, 0) }
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Constant (const byte) main::i#0 = 0
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Constant (const signed word*) main::screen#0 = (signed word*) 1024
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Constant (const byte) main::$2 = 0*SIZEOF_SIGNED_WORD
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [5] main::i#1 ← ++ main::i#2 to ++
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Resolved ranged comparison value [7] if(main::i#1!=rangelast(0,2)) goto main::@1 to (number) 3
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Simplifying constant evaluating to zero (byte) 0*(const byte) SIZEOF_SIGNED_WORD in
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Successful SSA optimization PassNSimplifyConstantZero
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Simplifying expression containing zero world#0 in [10] *((const signed word*) main::screen#0) ← *((const signed word[3]) world#0 + (const byte) main::$2)
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Successful SSA optimization PassNSimplifyExpressionWithZero
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Eliminating unused constant (const byte) main::$2
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Successful SSA optimization PassNEliminateUnusedVars
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Adding number conversion cast (unumber) 3 in if((byte) main::i#1!=(number) 3) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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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) 3
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Rewriting multiplication to use shift [1] (byte~) main::$1 ← (byte) main::i#2 * (const byte) SIZEOF_SIGNED_WORD
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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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Constant inlined main::i#0 = (byte) 0
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Successful SSA optimization Pass2ConstantInlining
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Eliminating unused constant (const byte) SIZEOF_SIGNED_WORD
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Successful SSA optimization PassNEliminateUnusedVars
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Added new block during phi lifting main::@3(between main::@1 and main::@1)
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main
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CALL GRAPH
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Calls in [] to main:2
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Created 1 initial phi equivalence classes
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Coalesced [13] main::i#3 ← main::i#1
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Coalesced down to 1 phi equivalence classes
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Culled Empty Block (label) @2
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Culled Empty Block (label) 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 @end
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Adding NOP phi() at start of main
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FINAL CONTROL FLOW GRAPH
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@begin: scope:[] from
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[0] phi()
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to:@1
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@1: scope:[] from @begin
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[1] phi()
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[2] call main
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to:@end
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@end: scope:[] from @1
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[3] phi()
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main: scope:[main] from @1
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[4] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@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::$1 ← (byte) main::i#2 << (byte) 1
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[7] *((const signed word[3]) world#0 + (byte~) main::$1) ← (signed word) $190
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[8] (byte) main::i#1 ← ++ (byte) main::i#2
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[9] if((byte) main::i#1!=(byte) 3) 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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[10] *((const signed word*) main::screen#0) ← *((const signed word[3]) world#0)
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to:main::@return
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main::@return: scope:[main] from main::@2
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[11] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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(void()) main()
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(byte~) main::$1 22.0
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(byte) main::i
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(byte) main::i#1 16.5
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(byte) main::i#2 11.0
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(signed word*) main::screen
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(signed word[3]) world
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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Added variable main::$1 to zero page equivalence class [ main::$1 ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::$1 ]
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Allocated zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
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Allocated zp ZP_BYTE:3 [ main::$1 ]
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INITIAL ASM
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//SEG0 File Comments
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// Test fragment promotion of a constant (400) to signed word even if it also matches an unsigned word
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//SEG1 Basic Upstart
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.pc = $801 "Basic"
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:BasicUpstart(bbegin)
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.pc = $80d "Program"
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//SEG2 Global Constants & labels
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//SEG3 @begin
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bbegin:
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//SEG4 [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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//SEG5 @1
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b1:
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//SEG6 [2] call main
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//SEG7 [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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//SEG8 [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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//SEG9 @end
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bend:
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//SEG10 main
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main: {
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.label screen = $400
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.label _1 = 3
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.label i = 2
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//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
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b1_from_main:
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//SEG12 [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 i
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jmp b1
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//SEG13 [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
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b1_from_b1:
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//SEG14 [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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//SEG15 main::@1
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b1:
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//SEG16 [6] (byte~) main::$1 ← (byte) main::i#2 << (byte) 1 -- vbuz1=vbuz2_rol_1
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lda i
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asl
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sta _1
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//SEG17 [7] *((const signed word[3]) world#0 + (byte~) main::$1) ← (signed word) $190 -- pwsc1_derefidx_vbuz1=vwsc2
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ldy _1
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lda #<$190
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sta world,y
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lda #>$190
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sta world+1,y
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//SEG18 [8] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
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inc i
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//SEG19 [9] if((byte) main::i#1!=(byte) 3) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #3
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cmp i
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bne b1_from_b1
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jmp b2
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//SEG20 main::@2
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b2:
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//SEG21 [10] *((const signed word*) main::screen#0) ← *((const signed word[3]) world#0) -- _deref_pwsc1=_deref_pwsc2
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lda world
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sta screen
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lda world+1
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sta screen+1
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jmp breturn
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//SEG22 main::@return
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breturn:
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//SEG23 [11] return
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rts
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}
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world: .fill 2*3, 0
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [6] (byte~) main::$1 ← (byte) main::i#2 << (byte) 1 [ main::i#2 main::$1 ] ( main:2 [ main::i#2 main::$1 ] ) always clobbers reg byte a
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Removing always clobbered register reg byte a as potential for zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
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Statement [7] *((const signed word[3]) world#0 + (byte~) main::$1) ← (signed word) $190 [ main::i#2 ] ( main:2 [ main::i#2 ] ) always clobbers reg byte a
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Statement [10] *((const signed word*) main::screen#0) ← *((const signed word[3]) world#0) [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [6] (byte~) main::$1 ← (byte) main::i#2 << (byte) 1 [ main::i#2 main::$1 ] ( main:2 [ main::i#2 main::$1 ] ) always clobbers reg byte a
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Statement [7] *((const signed word[3]) world#0 + (byte~) main::$1) ← (signed word) $190 [ main::i#2 ] ( main:2 [ main::i#2 ] ) always clobbers reg byte a
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Statement [10] *((const signed word*) main::screen#0) ← *((const signed word[3]) world#0) [ ] ( main:2 [ ] ) always clobbers reg byte a
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Potential registers zp ZP_BYTE:2 [ main::i#2 main::i#1 ] : zp ZP_BYTE:2 , reg byte x , reg byte y ,
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Potential registers zp ZP_BYTE:3 [ main::$1 ] : zp ZP_BYTE:3 , reg byte a , reg byte x , reg byte y ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [main] 27.5: zp ZP_BYTE:2 [ main::i#2 main::i#1 ] 22: zp ZP_BYTE:3 [ main::$1 ]
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Uplift Scope []
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Uplifting [main] best 412 combination reg byte x [ main::i#2 main::i#1 ] reg byte a [ main::$1 ]
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Uplifting [] best 412 combination
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ASSEMBLER BEFORE OPTIMIZATION
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//SEG0 File Comments
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// Test fragment promotion of a constant (400) to signed word even if it also matches an unsigned word
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//SEG1 Basic Upstart
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.pc = $801 "Basic"
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:BasicUpstart(bbegin)
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.pc = $80d "Program"
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//SEG2 Global Constants & labels
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//SEG3 @begin
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bbegin:
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//SEG4 [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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//SEG5 @1
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b1:
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//SEG6 [2] call main
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//SEG7 [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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//SEG8 [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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//SEG9 @end
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bend:
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//SEG10 main
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main: {
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.label screen = $400
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//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
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b1_from_main:
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//SEG12 [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
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ldx #0
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jmp b1
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//SEG13 [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
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b1_from_b1:
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//SEG14 [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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//SEG15 main::@1
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b1:
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//SEG16 [6] (byte~) main::$1 ← (byte) main::i#2 << (byte) 1 -- vbuaa=vbuxx_rol_1
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txa
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asl
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//SEG17 [7] *((const signed word[3]) world#0 + (byte~) main::$1) ← (signed word) $190 -- pwsc1_derefidx_vbuaa=vwsc2
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tay
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lda #<$190
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sta world,y
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lda #>$190
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sta world+1,y
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//SEG18 [8] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
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inx
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//SEG19 [9] if((byte) main::i#1!=(byte) 3) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
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cpx #3
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bne b1_from_b1
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jmp b2
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//SEG20 main::@2
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b2:
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//SEG21 [10] *((const signed word*) main::screen#0) ← *((const signed word[3]) world#0) -- _deref_pwsc1=_deref_pwsc2
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lda world
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sta screen
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lda world+1
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sta screen+1
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jmp breturn
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//SEG22 main::@return
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breturn:
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//SEG23 [11] return
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rts
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}
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world: .fill 2*3, 0
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ASSEMBLER OPTIMIZATIONS
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Removing instruction jmp b1
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Removing instruction jmp bend
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Removing instruction jmp b1
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Removing instruction jmp b2
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Removing instruction jmp breturn
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Succesful ASM optimization Pass5NextJumpElimination
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Replacing label b1_from_b1 with b1
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Removing instruction b1_from_bbegin:
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Removing instruction b1:
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Removing instruction main_from_b1:
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Removing instruction bend_from_b1:
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Removing instruction b1_from_b1:
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Succesful ASM optimization Pass5RedundantLabelElimination
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Removing instruction bend:
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Removing instruction b1_from_main:
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Removing instruction b2:
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Removing instruction breturn:
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Succesful ASM optimization Pass5UnusedLabelElimination
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Updating BasicUpstart to call main directly
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Removing instruction jsr main
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Succesful ASM optimization Pass5SkipBegin
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Removing instruction jmp b1
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Succesful ASM optimization Pass5NextJumpElimination
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Removing instruction bbegin:
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Succesful ASM optimization Pass5UnusedLabelElimination
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FINAL SYMBOL TABLE
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(label) @1
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(label) @begin
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(label) @end
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(void()) main()
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(byte~) main::$1 reg byte a 22.0
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(label) main::@1
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(label) main::@2
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(label) main::@return
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(byte) main::i
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(byte) main::i#1 reg byte x 16.5
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(byte) main::i#2 reg byte x 11.0
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(signed word*) main::screen
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(const signed word*) main::screen#0 screen = (signed word*) 1024
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(signed word[3]) world
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(const signed word[3]) world#0 world = { fill( 3, 0) }
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reg byte x [ main::i#2 main::i#1 ]
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reg byte a [ main::$1 ]
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FINAL ASSEMBLER
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Score: 307
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//SEG0 File Comments
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// Test fragment promotion of a constant (400) to signed word even if it also matches an unsigned word
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//SEG1 Basic 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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//SEG2 Global Constants & labels
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//SEG3 @begin
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//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
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//SEG5 @1
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//SEG6 [2] call main
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//SEG7 [4] phi from @1 to main [phi:@1->main]
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//SEG8 [3] phi from @1 to @end [phi:@1->@end]
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//SEG9 @end
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//SEG10 main
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main: {
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.label screen = $400
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//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
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//SEG12 [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
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ldx #0
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//SEG13 [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
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//SEG14 [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
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//SEG15 main::@1
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b1:
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//SEG16 [6] (byte~) main::$1 ← (byte) main::i#2 << (byte) 1 -- vbuaa=vbuxx_rol_1
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txa
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asl
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//SEG17 [7] *((const signed word[3]) world#0 + (byte~) main::$1) ← (signed word) $190 -- pwsc1_derefidx_vbuaa=vwsc2
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tay
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lda #<$190
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sta world,y
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lda #>$190
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sta world+1,y
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//SEG18 [8] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
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inx
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//SEG19 [9] if((byte) main::i#1!=(byte) 3) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
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cpx #3
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bne b1
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//SEG20 main::@2
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//SEG21 [10] *((const signed word*) main::screen#0) ← *((const signed word[3]) world#0) -- _deref_pwsc1=_deref_pwsc2
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lda world
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sta screen
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lda world+1
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sta screen+1
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//SEG22 main::@return
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//SEG23 [11] return
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rts
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}
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world: .fill 2*3, 0
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