mirror of
https://gitlab.com/camelot/kickc.git
synced 2025-08-07 22:25:13 +00:00
516 lines
16 KiB
Plaintext
516 lines
16 KiB
Plaintext
Loading link script "ataritempest.ld"
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Culled Empty Block (label) entryPoint::@2
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Culled Empty Block (label) @1
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Culled Empty Block (label) @2
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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to:@3
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(void()) entryPoint()
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entryPoint: scope:[entryPoint] from
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(byte) entryPoint::i#0 ← (byte) 0
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to:entryPoint::@1
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entryPoint::@1: scope:[entryPoint] from entryPoint entryPoint::@1
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(byte) entryPoint::i#2 ← phi( entryPoint/(byte) entryPoint::i#0 entryPoint::@1/(byte) entryPoint::i#1 )
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*((const byte*) SCREEN + (byte) entryPoint::i#2) ← *((const byte*) MESSAGE + (byte) entryPoint::i#2)
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(byte) entryPoint::i#1 ← (byte) entryPoint::i#2 + rangenext(0,$31)
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(bool~) entryPoint::$0 ← (byte) entryPoint::i#1 != rangelast(0,$31)
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if((bool~) entryPoint::$0) goto entryPoint::@1
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to:entryPoint::@return
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entryPoint::@return: scope:[entryPoint] from entryPoint::@1
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return
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to:@return
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interrupt(HARDWARE_ALL)(void()) nmiHandler()
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nmiHandler: scope:[nmiHandler] from
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*((const byte*) BGCOL) ← ++ *((const byte*) BGCOL)
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to:nmiHandler::@return
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nmiHandler::@return: scope:[nmiHandler] from nmiHandler
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return
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to:@return
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(void()) main()
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main: scope:[main] from @3
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*((const byte*) BGCOL) ← ++ *((const byte*) BGCOL)
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to:main::@return
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main::@return: scope:[main] from main
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return
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to:@return
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@3: scope:[] from @begin
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call main
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to:@4
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@4: scope:[] from @3
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to:@end
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@end: scope:[] from @4
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SYMBOL TABLE SSA
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(label) @3
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(label) @4
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(label) @begin
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(label) @end
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(const byte*) BGCOL = (byte*)(number) $c01a
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(const byte*) MESSAGE[] = (string) "hello world"
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(const byte*) SCREEN[(number) $32] = { fill( $32, 0) }
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(const void()**) VECTORS[] = { &interrupt(HARDWARE_ALL)(void()) nmiHandler(), &(void()) entryPoint() }
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(void()) entryPoint()
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(bool~) entryPoint::$0
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(label) entryPoint::@1
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(label) entryPoint::@return
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(byte) entryPoint::i
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(byte) entryPoint::i#0
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(byte) entryPoint::i#1
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(byte) entryPoint::i#2
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(void()) main()
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(label) main::@return
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interrupt(HARDWARE_ALL)(void()) nmiHandler()
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(label) nmiHandler::@return
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Simplifying constant pointer cast (byte*) 49178
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Successful SSA optimization PassNCastSimplification
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Simple Condition (bool~) entryPoint::$0 [5] if((byte) entryPoint::i#1!=rangelast(0,$31)) goto entryPoint::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant (const byte) entryPoint::i#0 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [3] entryPoint::i#1 ← ++ entryPoint::i#2 to ++
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Resolved ranged comparison value [5] if(entryPoint::i#1!=rangelast(0,$31)) goto entryPoint::@1 to (number) $32
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Adding number conversion cast (unumber) $32 in if((byte) entryPoint::i#1!=(number) $32) goto entryPoint::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast $32
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) $32
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inlining constant with var siblings (const byte) entryPoint::i#0
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Constant inlined entryPoint::i#0 = (byte) 0
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Successful SSA optimization Pass2ConstantInlining
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Added new block during phi lifting entryPoint::@3(between entryPoint::@1 and entryPoint::@1)
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @3
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Adding NOP phi() at start of @4
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of entryPoint
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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 [15] entryPoint::i#3 ← entryPoint::i#1
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Coalesced down to 1 phi equivalence classes
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Culled Empty Block (label) @4
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Culled Empty Block (label) entryPoint::@3
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Renumbering block @3 to @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 @end
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Adding NOP phi() at start of entryPoint
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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] *((const byte*) BGCOL) ← ++ *((const byte*) BGCOL)
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to:main::@return
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main::@return: scope:[main] from main
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[5] return
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to:@return
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interrupt(HARDWARE_ALL)(void()) nmiHandler()
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nmiHandler: scope:[nmiHandler] from
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[6] *((const byte*) BGCOL) ← ++ *((const byte*) BGCOL)
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to:nmiHandler::@return
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nmiHandler::@return: scope:[nmiHandler] from nmiHandler
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[7] return
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to:@return
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(void()) entryPoint()
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entryPoint: scope:[entryPoint] from
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[8] phi()
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to:entryPoint::@1
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entryPoint::@1: scope:[entryPoint] from entryPoint entryPoint::@1
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[9] (byte) entryPoint::i#2 ← phi( entryPoint/(byte) 0 entryPoint::@1/(byte) entryPoint::i#1 )
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[10] *((const byte*) SCREEN + (byte) entryPoint::i#2) ← *((const byte*) MESSAGE + (byte) entryPoint::i#2)
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[11] (byte) entryPoint::i#1 ← ++ (byte) entryPoint::i#2
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[12] if((byte) entryPoint::i#1!=(byte) $32) goto entryPoint::@1
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to:entryPoint::@return
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entryPoint::@return: scope:[entryPoint] from entryPoint::@1
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[13] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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(void()) entryPoint()
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(byte) entryPoint::i
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(byte) entryPoint::i#1 16.5
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(byte) entryPoint::i#2 22.0
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(void()) main()
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interrupt(HARDWARE_ALL)(void()) nmiHandler()
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Initial phi equivalence classes
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[ entryPoint::i#2 entryPoint::i#1 ]
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Complete equivalence classes
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[ entryPoint::i#2 entryPoint::i#1 ]
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Allocated zp[1]:2 [ entryPoint::i#2 entryPoint::i#1 ]
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INITIAL ASM
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Target platform is custom / MOS6502X
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// File Comments
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// Atari Tempest ROM Development Template
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// Each function of the kernal is a no-args function
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// The functions are placed in the SYSCALLS table surrounded by JMP and NOP
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// Upstart
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.file [name="ataritempest.bin", type="bin", segments="AtariTempest"]
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.segmentdef AtariTempest [segments="Code, RomData, Vectors"]
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.segmentdef Code [start=$9000, min=$9000, max=$Fff9]
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.segmentdef RomData [startAfter="Code", min=$9000, max=$Fff9]
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.segmentdef RamData [start=$200, min=$200, max=$7ff]
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.segmentdef Vectors [start=$FFFA, min=$FFFA, max=$FFFF, fill]
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.segment Code
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init:
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// Global Constants & labels
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.label BGCOL = $c01a
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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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.segment Code
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// main
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main: {
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// [4] *((const byte*) BGCOL) ← ++ *((const byte*) BGCOL) -- _deref_pbuc1=_inc__deref_pbuc1
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inc BGCOL
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jmp __breturn
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// main::@return
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__breturn:
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// [5] return
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rts
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}
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// nmiHandler
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nmiHandler: {
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// entry interrupt(HARDWARE_ALL)
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sta rega+1
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stx regx+1
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sty regy+1
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// [6] *((const byte*) BGCOL) ← ++ *((const byte*) BGCOL) -- _deref_pbuc1=_inc__deref_pbuc1
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inc BGCOL
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jmp __breturn
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// nmiHandler::@return
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__breturn:
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// [7] return - exit interrupt(HARDWARE_ALL)
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rega:
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lda #00
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regx:
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ldx #00
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regy:
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ldy #00
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rti
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}
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// entryPoint
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entryPoint: {
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.label i = 2
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// [9] phi from entryPoint to entryPoint::@1 [phi:entryPoint->entryPoint::@1]
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__b1_from_entryPoint:
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// [9] phi (byte) entryPoint::i#2 = (byte) 0 [phi:entryPoint->entryPoint::@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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// [9] phi from entryPoint::@1 to entryPoint::@1 [phi:entryPoint::@1->entryPoint::@1]
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__b1_from___b1:
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// [9] phi (byte) entryPoint::i#2 = (byte) entryPoint::i#1 [phi:entryPoint::@1->entryPoint::@1#0] -- register_copy
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jmp __b1
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// entryPoint::@1
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__b1:
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// [10] *((const byte*) SCREEN + (byte) entryPoint::i#2) ← *((const byte*) MESSAGE + (byte) entryPoint::i#2) -- pbuc1_derefidx_vbuz1=pbuc2_derefidx_vbuz1
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ldy.z i
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lda MESSAGE,y
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sta SCREEN,y
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// [11] (byte) entryPoint::i#1 ← ++ (byte) entryPoint::i#2 -- vbuz1=_inc_vbuz1
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inc.z i
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// [12] if((byte) entryPoint::i#1!=(byte) $32) goto entryPoint::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #$32
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cmp.z i
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bne __b1_from___b1
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jmp __breturn
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// entryPoint::@return
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__breturn:
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// [13] return
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rts
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}
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// File Data
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.segment RomData
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MESSAGE: .text "hello world"
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.byte 0
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.segment RamData
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SCREEN: .fill $32, 0
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.segment Vectors
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VECTORS: .word nmiHandler, entryPoint
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [7] return [ ] ( [ ] ) always clobbers reg byte a reg byte x reg byte y
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Statement [10] *((const byte*) SCREEN + (byte) entryPoint::i#2) ← *((const byte*) MESSAGE + (byte) entryPoint::i#2) [ entryPoint::i#2 ] ( [ entryPoint::i#2 ] ) always clobbers reg byte a
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Removing always clobbered register reg byte a as potential for zp[1]:2 [ entryPoint::i#2 entryPoint::i#1 ]
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Statement [7] return [ ] ( [ ] ) always clobbers reg byte a reg byte x reg byte y
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Statement [10] *((const byte*) SCREEN + (byte) entryPoint::i#2) ← *((const byte*) MESSAGE + (byte) entryPoint::i#2) [ entryPoint::i#2 ] ( [ entryPoint::i#2 ] ) always clobbers reg byte a
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Potential registers zp[1]:2 [ entryPoint::i#2 entryPoint::i#1 ] : zp[1]:2 , reg byte x , reg byte y ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [entryPoint] 38.5: zp[1]:2 [ entryPoint::i#2 entryPoint::i#1 ]
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Uplift Scope [nmiHandler]
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Uplift Scope [main]
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Uplift Scope []
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Uplifting [entryPoint] best 444 combination reg byte x [ entryPoint::i#2 entryPoint::i#1 ]
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Uplifting [nmiHandler] best 444 combination
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Uplifting [main] best 444 combination
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Uplifting [] best 444 combination
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Atari Tempest ROM Development Template
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// Each function of the kernal is a no-args function
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// The functions are placed in the SYSCALLS table surrounded by JMP and NOP
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// Upstart
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.file [name="ataritempest.bin", type="bin", segments="AtariTempest"]
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.segmentdef AtariTempest [segments="Code, RomData, Vectors"]
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.segmentdef Code [start=$9000, min=$9000, max=$Fff9]
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.segmentdef RomData [startAfter="Code", min=$9000, max=$Fff9]
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.segmentdef RamData [start=$200, min=$200, max=$7ff]
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.segmentdef Vectors [start=$FFFA, min=$FFFA, max=$FFFF, fill]
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.segment Code
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init:
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// Global Constants & labels
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.label BGCOL = $c01a
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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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.segment Code
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// main
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main: {
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// [4] *((const byte*) BGCOL) ← ++ *((const byte*) BGCOL) -- _deref_pbuc1=_inc__deref_pbuc1
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inc BGCOL
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jmp __breturn
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// main::@return
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__breturn:
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// [5] return
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rts
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}
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// nmiHandler
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nmiHandler: {
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// entry interrupt(HARDWARE_ALL)
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sta rega+1
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stx regx+1
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sty regy+1
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// [6] *((const byte*) BGCOL) ← ++ *((const byte*) BGCOL) -- _deref_pbuc1=_inc__deref_pbuc1
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inc BGCOL
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jmp __breturn
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// nmiHandler::@return
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__breturn:
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// [7] return - exit interrupt(HARDWARE_ALL)
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rega:
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lda #00
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regx:
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ldx #00
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regy:
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ldy #00
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rti
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}
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// entryPoint
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entryPoint: {
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// [9] phi from entryPoint to entryPoint::@1 [phi:entryPoint->entryPoint::@1]
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__b1_from_entryPoint:
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// [9] phi (byte) entryPoint::i#2 = (byte) 0 [phi:entryPoint->entryPoint::@1#0] -- vbuxx=vbuc1
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ldx #0
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jmp __b1
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// [9] phi from entryPoint::@1 to entryPoint::@1 [phi:entryPoint::@1->entryPoint::@1]
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__b1_from___b1:
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// [9] phi (byte) entryPoint::i#2 = (byte) entryPoint::i#1 [phi:entryPoint::@1->entryPoint::@1#0] -- register_copy
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jmp __b1
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// entryPoint::@1
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__b1:
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// [10] *((const byte*) SCREEN + (byte) entryPoint::i#2) ← *((const byte*) MESSAGE + (byte) entryPoint::i#2) -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_vbuxx
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lda MESSAGE,x
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sta SCREEN,x
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// [11] (byte) entryPoint::i#1 ← ++ (byte) entryPoint::i#2 -- vbuxx=_inc_vbuxx
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inx
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// [12] if((byte) entryPoint::i#1!=(byte) $32) goto entryPoint::@1 -- vbuxx_neq_vbuc1_then_la1
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cpx #$32
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bne __b1_from___b1
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jmp __breturn
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// entryPoint::@return
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__breturn:
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// [13] return
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rts
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}
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// File Data
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.segment RomData
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MESSAGE: .text "hello world"
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.byte 0
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.segment RamData
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SCREEN: .fill $32, 0
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.segment Vectors
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VECTORS: .word nmiHandler, entryPoint
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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 __breturn
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Removing instruction jmp __breturn
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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 __bbegin:
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Removing instruction __b1_from___bbegin:
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Removing instruction __bend_from___b1:
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Removing instruction __breturn:
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Removing instruction __b1_from___b1:
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Succesful ASM optimization Pass5RedundantLabelElimination
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Removing instruction __b1:
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Removing instruction __bend:
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Removing instruction __breturn:
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Removing instruction __b1_from_entryPoint:
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Removing instruction __breturn:
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Succesful ASM optimization Pass5UnusedLabelElimination
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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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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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(const byte*) BGCOL = (byte*) 49178
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(const byte*) MESSAGE[] = (string) "hello world"
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(const byte*) SCREEN[(number) $32] = { fill( $32, 0) }
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(const void()**) VECTORS[] = { &interrupt(HARDWARE_ALL)(void()) nmiHandler(), &(void()) entryPoint() }
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(void()) entryPoint()
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(label) entryPoint::@1
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(label) entryPoint::@return
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(byte) entryPoint::i
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(byte) entryPoint::i#1 reg byte x 16.5
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(byte) entryPoint::i#2 reg byte x 22.0
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(void()) main()
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(label) main::@return
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interrupt(HARDWARE_ALL)(void()) nmiHandler()
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(label) nmiHandler::@return
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reg byte x [ entryPoint::i#2 entryPoint::i#1 ]
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FINAL ASSEMBLER
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Score: 336
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// File Comments
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// Atari Tempest ROM Development Template
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// Each function of the kernal is a no-args function
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// The functions are placed in the SYSCALLS table surrounded by JMP and NOP
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// Upstart
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.file [name="ataritempest.bin", type="bin", segments="AtariTempest"]
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.segmentdef AtariTempest [segments="Code, RomData, Vectors"]
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.segmentdef Code [start=$9000, min=$9000, max=$Fff9]
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.segmentdef RomData [startAfter="Code", min=$9000, max=$Fff9]
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.segmentdef RamData [start=$200, min=$200, max=$7ff]
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.segmentdef Vectors [start=$FFFA, min=$FFFA, max=$FFFF, fill]
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.segment Code
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init:
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// Global Constants & labels
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.label BGCOL = $c01a
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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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.segment Code
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// main
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main: {
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// (*BGCOL)++;
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// [4] *((const byte*) BGCOL) ← ++ *((const byte*) BGCOL) -- _deref_pbuc1=_inc__deref_pbuc1
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inc BGCOL
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// main::@return
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// }
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// [5] return
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rts
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}
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// nmiHandler
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nmiHandler: {
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// entry interrupt(HARDWARE_ALL)
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sta rega+1
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stx regx+1
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sty regy+1
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// (*BGCOL)++;
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// [6] *((const byte*) BGCOL) ← ++ *((const byte*) BGCOL) -- _deref_pbuc1=_inc__deref_pbuc1
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inc BGCOL
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// nmiHandler::@return
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// }
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// [7] return - exit interrupt(HARDWARE_ALL)
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rega:
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lda #00
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regx:
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ldx #00
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regy:
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ldy #00
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rti
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}
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// entryPoint
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entryPoint: {
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// [9] phi from entryPoint to entryPoint::@1 [phi:entryPoint->entryPoint::@1]
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// [9] phi (byte) entryPoint::i#2 = (byte) 0 [phi:entryPoint->entryPoint::@1#0] -- vbuxx=vbuc1
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ldx #0
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// [9] phi from entryPoint::@1 to entryPoint::@1 [phi:entryPoint::@1->entryPoint::@1]
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// [9] phi (byte) entryPoint::i#2 = (byte) entryPoint::i#1 [phi:entryPoint::@1->entryPoint::@1#0] -- register_copy
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// entryPoint::@1
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__b1:
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// SCREEN[i] = MESSAGE[i]
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// [10] *((const byte*) SCREEN + (byte) entryPoint::i#2) ← *((const byte*) MESSAGE + (byte) entryPoint::i#2) -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_vbuxx
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lda MESSAGE,x
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sta SCREEN,x
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// for( char i:0..49)
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// [11] (byte) entryPoint::i#1 ← ++ (byte) entryPoint::i#2 -- vbuxx=_inc_vbuxx
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inx
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// [12] if((byte) entryPoint::i#1!=(byte) $32) goto entryPoint::@1 -- vbuxx_neq_vbuc1_then_la1
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cpx #$32
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bne __b1
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// entryPoint::@return
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// }
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// [13] return
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rts
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}
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// File Data
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.segment RomData
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MESSAGE: .text "hello world"
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.byte 0
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.segment RamData
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SCREEN: .fill $32, 0
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.segment Vectors
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VECTORS: .word nmiHandler, entryPoint
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