mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-11-20 02:32:36 +00:00
407 lines
14 KiB
Plaintext
407 lines
14 KiB
Plaintext
Culled Empty Block (label) main::@2
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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(byte[$f]) fibs#0 ← ((byte[$f])) (number) $1100
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to:@1
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main: scope:[main] from @1
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*((byte[$f]) fibs#0 + (number) 0) ← (number) 0
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*((byte[$f]) fibs#0 + (number) 1) ← (number) 1
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(byte) main::i#0 ← (number) 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 ← (byte) main::i#2 + (number) 2
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(number~) main::$1 ← (byte) main::i#2 + (number) 1
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(byte~) main::$2 ← *((byte[$f]) fibs#0 + (byte) main::i#2) + *((byte[$f]) fibs#0 + (number~) main::$1)
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*((byte[$f]) fibs#0 + (number~) main::$0) ← (byte~) main::$2
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(byte) main::i#1 ← ++ (byte) main::i#2
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(bool~) main::$3 ← (byte) main::i#1 < (number) $f
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if((bool~) main::$3) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@1
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return
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to:@return
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@1: scope:[] from @begin
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call main
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to:@2
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@2: scope:[] from @1
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to:@end
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@end: scope:[] from @2
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SYMBOL TABLE SSA
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(label) @1
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(label) @2
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(label) @begin
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(label) @end
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(byte[$f]) fibs
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(byte[$f]) fibs#0
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(void()) main()
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(number~) main::$0
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(number~) main::$1
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(byte~) main::$2
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(bool~) main::$3
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(label) main::@1
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(label) main::@return
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(byte) main::i
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(byte) main::i#0
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(byte) main::i#1
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(byte) main::i#2
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Adding number conversion cast (unumber) 0 in *((byte[$f]) fibs#0 + (number) 0) ← (number) 0
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Adding number conversion cast (unumber) 0 in *((byte[$f]) fibs#0 + (number) 0) ← ((unumber)) (number) 0
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Adding number conversion cast (unumber) 1 in *((byte[$f]) fibs#0 + (number) 1) ← (number) 1
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Adding number conversion cast (unumber) 1 in *((byte[$f]) fibs#0 + (number) 1) ← ((unumber)) (number) 1
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Adding number conversion cast (unumber) 0 in (byte) main::i#0 ← (number) 0
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Adding number conversion cast (unumber) 2 in (number~) main::$0 ← (byte) main::i#2 + (number) 2
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Adding number conversion cast (unumber) main::$0 in (number~) main::$0 ← (byte) main::i#2 + (unumber)(number) 2
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Adding number conversion cast (unumber) 1 in (number~) main::$1 ← (byte) main::i#2 + (number) 1
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Adding number conversion cast (unumber) main::$1 in (number~) main::$1 ← (byte) main::i#2 + (unumber)(number) 1
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Adding number conversion cast (unumber) $f in (bool~) main::$3 ← (byte) main::i#1 < (number) $f
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast (byte[$f]) fibs#0 ← (byte[$f])(number) $1100
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Inlining cast *((byte[$f]) fibs#0 + (unumber)(number) 0) ← (unumber)(number) 0
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Inlining cast *((byte[$f]) fibs#0 + (unumber)(number) 1) ← (unumber)(number) 1
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Inlining cast (byte) main::i#0 ← (unumber)(number) 0
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Successful SSA optimization Pass2InlineCast
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Simplifying constant pointer cast (byte*) 4352
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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 0
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Simplifying constant integer cast 2
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Simplifying constant integer cast 1
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Simplifying constant integer cast $f
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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) 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) 0
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Finalized unsigned number type (byte) 2
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Finalized unsigned number type (byte) 1
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Finalized unsigned number type (byte) $f
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inferred type updated to byte in (unumber~) main::$0 ← (byte) main::i#2 + (byte) 2
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Inferred type updated to byte in (unumber~) main::$1 ← (byte) main::i#2 + (byte) 1
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Simple Condition (bool~) main::$3 [11] if((byte) main::i#1<(byte) $f) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant (const byte[$f]) fibs#0 = (byte*) 4352
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Constant (const byte) main::i#0 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Simplifying expression containing zero fibs#0 in [1] *((const byte[$f]) fibs#0 + (byte) 0) ← (byte) 0
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Successful SSA optimization PassNSimplifyExpressionWithZero
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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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Consolidated array index constant in *(fibs#0+1)
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Consolidated array index constant in assignment *(fibs#0+1 + main::$1)
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Consolidated array index constant in assignment *(fibs#0+2 + main::$0)
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Successful SSA optimization Pass2ConstantAdditionElimination
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Alias (byte) main::i#2 = (byte~) main::$0 (byte~) main::$1
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Successful SSA optimization Pass2AliasElimination
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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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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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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] *((const byte[$f]) fibs#0) ← (byte) 0
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[5] *((const byte[$f]) fibs#0+(byte) 1) ← (byte) 1
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to:main::@1
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main::@1: scope:[main] from main main::@1
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[6] (byte) main::i#2 ← phi( main/(byte) 0 main::@1/(byte) main::i#1 )
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[7] (byte~) main::$2 ← *((const byte[$f]) fibs#0 + (byte) main::i#2) + *((const byte[$f]) fibs#0+(byte) 1 + (byte) main::i#2)
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[8] *((const byte[$f]) fibs#0+(byte) 2 + (byte) main::i#2) ← (byte~) main::$2
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[9] (byte) main::i#1 ← ++ (byte) main::i#2
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[10] if((byte) main::i#1<(byte) $f) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@1
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[11] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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(byte[$f]) fibs
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(void()) main()
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(byte~) main::$2 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 18.333333333333332
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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::$2 to zero page equivalence class [ main::$2 ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::$2 ]
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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::$2 ]
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INITIAL ASM
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Target platform is c64basic
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// File Comments
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// 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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// Global Constants & labels
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.label fibs = $1100
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// @begin
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bbegin:
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// [1] phi from @begin to @1 [phi:@begin->@1]
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b1_from_bbegin:
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jmp b1
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// @1
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b1:
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// [2] call main
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jsr main
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// [3] phi from @1 to @end [phi:@1->@end]
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bend_from_b1:
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jmp bend
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// @end
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bend:
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// main
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main: {
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.label _2 = 3
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.label i = 2
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// [4] *((const byte[$f]) fibs#0) ← (byte) 0 -- _deref_pbuc1=vbuc2
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lda #0
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sta fibs
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// [5] *((const byte[$f]) fibs#0+(byte) 1) ← (byte) 1 -- _deref_pbuc1=vbuc2
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lda #1
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sta fibs+1
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// [6] phi from main to main::@1 [phi:main->main::@1]
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b1_from_main:
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// [6] 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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// [6] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
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b1_from_b1:
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// [6] 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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// [7] (byte~) main::$2 ← *((const byte[$f]) fibs#0 + (byte) main::i#2) + *((const byte[$f]) fibs#0+(byte) 1 + (byte) main::i#2) -- vbuz1=pbuc1_derefidx_vbuz2_plus_pbuc2_derefidx_vbuz2
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ldy.z i
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lda fibs,y
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clc
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adc fibs+1,y
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sta.z _2
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// [8] *((const byte[$f]) fibs#0+(byte) 2 + (byte) main::i#2) ← (byte~) main::$2 -- pbuc1_derefidx_vbuz1=vbuz2
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lda.z _2
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ldy.z i
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sta fibs+2,y
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// [9] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
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inc.z i
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// [10] if((byte) main::i#1<(byte) $f) goto main::@1 -- vbuz1_lt_vbuc1_then_la1
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lda.z i
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cmp #$f
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bcc b1_from_b1
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jmp breturn
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// main::@return
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breturn:
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// [11] return
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rts
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}
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// File Data
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [4] *((const byte[$f]) fibs#0) ← (byte) 0 [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [5] *((const byte[$f]) fibs#0+(byte) 1) ← (byte) 1 [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [7] (byte~) main::$2 ← *((const byte[$f]) fibs#0 + (byte) main::i#2) + *((const byte[$f]) fibs#0+(byte) 1 + (byte) main::i#2) [ main::i#2 main::$2 ] ( main:2 [ main::i#2 main::$2 ] ) always clobbers reg byte a
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Removing always clobbered register reg byte a as potential for zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
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Statement [4] *((const byte[$f]) fibs#0) ← (byte) 0 [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [5] *((const byte[$f]) fibs#0+(byte) 1) ← (byte) 1 [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [7] (byte~) main::$2 ← *((const byte[$f]) fibs#0 + (byte) main::i#2) + *((const byte[$f]) fibs#0+(byte) 1 + (byte) main::i#2) [ main::i#2 main::$2 ] ( main:2 [ main::i#2 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::$2 ] : 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] 34.83: zp ZP_BYTE:2 [ main::i#2 main::i#1 ] 22: zp ZP_BYTE:3 [ main::$2 ]
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Uplift Scope []
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Uplifting [main] best 365 combination reg byte x [ main::i#2 main::i#1 ] reg byte a [ main::$2 ]
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Uplifting [] best 365 combination
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// 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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// Global Constants & labels
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.label fibs = $1100
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// @begin
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bbegin:
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// [1] phi from @begin to @1 [phi:@begin->@1]
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b1_from_bbegin:
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jmp b1
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// @1
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b1:
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// [2] call main
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jsr main
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// [3] phi from @1 to @end [phi:@1->@end]
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bend_from_b1:
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jmp bend
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// @end
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bend:
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// main
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main: {
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// [4] *((const byte[$f]) fibs#0) ← (byte) 0 -- _deref_pbuc1=vbuc2
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lda #0
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sta fibs
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// [5] *((const byte[$f]) fibs#0+(byte) 1) ← (byte) 1 -- _deref_pbuc1=vbuc2
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lda #1
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sta fibs+1
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// [6] phi from main to main::@1 [phi:main->main::@1]
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b1_from_main:
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// [6] 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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// [6] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
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b1_from_b1:
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// [6] 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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// [7] (byte~) main::$2 ← *((const byte[$f]) fibs#0 + (byte) main::i#2) + *((const byte[$f]) fibs#0+(byte) 1 + (byte) main::i#2) -- vbuaa=pbuc1_derefidx_vbuxx_plus_pbuc2_derefidx_vbuxx
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lda fibs,x
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clc
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adc fibs+1,x
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// [8] *((const byte[$f]) fibs#0+(byte) 2 + (byte) main::i#2) ← (byte~) main::$2 -- pbuc1_derefidx_vbuxx=vbuaa
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sta fibs+2,x
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// [9] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
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inx
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// [10] if((byte) main::i#1<(byte) $f) goto main::@1 -- vbuxx_lt_vbuc1_then_la1
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cpx #$f
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bcc b1_from_b1
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jmp breturn
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// main::@return
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breturn:
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// [11] return
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rts
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}
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// File Data
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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 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 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 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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(byte[$f]) fibs
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(const byte[$f]) fibs#0 fibs = (byte*) 4352
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(void()) main()
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(byte~) main::$2 reg byte a 22.0
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(label) main::@1
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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 18.333333333333332
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reg byte x [ main::i#2 main::i#1 ]
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reg byte a [ main::$2 ]
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FINAL ASSEMBLER
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Score: 263
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// File Comments
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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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.label fibs = $1100
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// @begin
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// [1] phi from @begin to @1 [phi:@begin->@1]
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// @1
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// [2] call main
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// [3] phi from @1 to @end [phi:@1->@end]
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// @end
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// main
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main: {
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// fibs[0] = 0
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// [4] *((const byte[$f]) fibs#0) ← (byte) 0 -- _deref_pbuc1=vbuc2
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lda #0
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sta fibs
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// fibs[1] = 1
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// [5] *((const byte[$f]) fibs#0+(byte) 1) ← (byte) 1 -- _deref_pbuc1=vbuc2
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lda #1
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sta fibs+1
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// [6] phi from main to main::@1 [phi:main->main::@1]
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// [6] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
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ldx #0
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// [6] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
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// [6] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
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// main::@1
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b1:
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// fibs[i]+fibs[i+1]
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// [7] (byte~) main::$2 ← *((const byte[$f]) fibs#0 + (byte) main::i#2) + *((const byte[$f]) fibs#0+(byte) 1 + (byte) main::i#2) -- vbuaa=pbuc1_derefidx_vbuxx_plus_pbuc2_derefidx_vbuxx
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lda fibs,x
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clc
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adc fibs+1,x
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// fibs[i+2] = fibs[i]+fibs[i+1]
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// [8] *((const byte[$f]) fibs#0+(byte) 2 + (byte) main::i#2) ← (byte~) main::$2 -- pbuc1_derefidx_vbuxx=vbuaa
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sta fibs+2,x
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// while(++i<15)
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// [9] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
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inx
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// [10] if((byte) main::i#1<(byte) $f) goto main::@1 -- vbuxx_lt_vbuc1_then_la1
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cpx #$f
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bcc b1
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// main::@return
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// }
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// [11] return
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rts
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}
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// File Data
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