mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-10-21 17:24:39 +00:00
300 lines
9.5 KiB
Plaintext
300 lines
9.5 KiB
Plaintext
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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to:@1
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(void()) main()
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main: scope:[main] from @1
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*(&(struct Point) main::point1) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT)
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(struct Point) main::point1 ← struct-unwound {*(&(struct Point) main::point1)}
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*((const nomodify byte*) SCREEN + (number) 0) ← *((byte*)&(struct Point) main::point1+(const byte) OFFSET_STRUCT_POINT_X)
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*((const nomodify byte*) SCREEN + (number) 1) ← *((byte*)&(struct Point) main::point1+(const byte) OFFSET_STRUCT_POINT_Y)
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to:main::@return
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main::@return: scope:[main] from main
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return
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to:@return
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@1: scope:[] from @begin
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call main
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to:@2
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@2: scope:[] from @1
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to:@end
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@end: scope:[] from @2
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SYMBOL TABLE SSA
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(const struct Point) $0 = { x: (byte) 2, y: (byte) 3 }
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(label) @1
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(label) @2
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(label) @begin
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(label) @end
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(const byte) OFFSET_STRUCT_POINT_X = (byte) 0
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(const byte) OFFSET_STRUCT_POINT_Y = (byte) 1
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(byte) Point::x
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(byte) Point::y
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(const nomodify byte*) SCREEN = (byte*)(number) $400
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(const byte) SIZEOF_STRUCT_POINT = (byte) 2
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(void()) main()
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(label) main::@return
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(struct Point) main::point1 loadstore
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Adding number conversion cast (unumber) 0 in *((const nomodify byte*) SCREEN + (number) 0) ← *((byte*)&(struct Point) main::point1+(const byte) OFFSET_STRUCT_POINT_X)
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Adding number conversion cast (unumber) 1 in *((const nomodify byte*) SCREEN + (number) 1) ← *((byte*)&(struct Point) main::point1+(const byte) OFFSET_STRUCT_POINT_Y)
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant pointer cast (byte*) 1024
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Simplifying constant integer cast 0
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Simplifying constant integer cast 1
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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) 1
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Removing C-classic struct-unwound assignment [1] (struct Point) main::point1 ← struct-unwound {*(&(struct Point) main::point1)}
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Simplifying expression containing zero (byte*)&main::point1 in [2] *((const nomodify byte*) SCREEN + (byte) 0) ← *((byte*)&(struct Point) main::point1+(const byte) OFFSET_STRUCT_POINT_X)
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Simplifying expression containing zero SCREEN in [2] *((const nomodify byte*) SCREEN + (byte) 0) ← *((byte*)&(struct Point) main::point1)
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Successful SSA optimization PassNSimplifyExpressionWithZero
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Eliminating unused constant (const byte) OFFSET_STRUCT_POINT_X
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Successful SSA optimization PassNEliminateUnusedVars
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Consolidated array index constant in *(SCREEN+1)
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Successful SSA optimization Pass2ConstantAdditionElimination
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @end
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CALL GRAPH
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Calls in [] to main:2
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Created 0 initial phi equivalence classes
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Coalesced down to 0 phi equivalence classes
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Culled Empty Block (label) @2
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @end
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FINAL CONTROL FLOW GRAPH
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@begin: scope:[] from
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[0] phi()
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to:@1
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@1: scope:[] from @begin
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[1] phi()
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[2] call main
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to:@end
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@end: scope:[] from @1
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[3] phi()
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(void()) main()
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main: scope:[main] from @1
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[4] *(&(struct Point) main::point1) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT)
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[5] *((const nomodify byte*) SCREEN) ← *((byte*)&(struct Point) main::point1)
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[6] *((const nomodify byte*) SCREEN+(byte) 1) ← *((byte*)&(struct Point) main::point1+(const byte) OFFSET_STRUCT_POINT_Y)
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to:main::@return
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main::@return: scope:[main] from main
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[7] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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(byte) Point::x
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(byte) Point::y
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(void()) main()
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(struct Point) main::point1 loadstore
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Initial phi equivalence classes
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Added variable main::point1 to live range equivalence class [ main::point1 ]
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Complete equivalence classes
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[ main::point1 ]
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Allocated zp[2]:2 [ main::point1 ]
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INITIAL ASM
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Target platform is c64basic / MOS6502X
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// File Comments
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// Minimal struct with C-Standard behavior - initializer
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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// Global Constants & labels
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.const SIZEOF_STRUCT_POINT = 2
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.const OFFSET_STRUCT_POINT_Y = 1
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.label SCREEN = $400
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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 point1 = 2
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// [4] *(&(struct Point) main::point1) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
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ldy #SIZEOF_STRUCT_POINT
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!:
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lda __0-1,y
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sta point1-1,y
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dey
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bne !-
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// [5] *((const nomodify byte*) SCREEN) ← *((byte*)&(struct Point) main::point1) -- _deref_pbuc1=_deref_pbuc2
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lda.z point1
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sta SCREEN
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// [6] *((const nomodify byte*) SCREEN+(byte) 1) ← *((byte*)&(struct Point) main::point1+(const byte) OFFSET_STRUCT_POINT_Y) -- _deref_pbuc1=_deref_pbuc2
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lda point1+OFFSET_STRUCT_POINT_Y
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sta SCREEN+1
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jmp __breturn
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// main::@return
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__breturn:
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// [7] return
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rts
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}
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// File Data
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__0: .byte 2, 3
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [4] *(&(struct Point) main::point1) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT) [ main::point1 ] ( main:2 [ main::point1 ] { } ) always clobbers reg byte a reg byte y
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Statement [5] *((const nomodify byte*) SCREEN) ← *((byte*)&(struct Point) main::point1) [ main::point1 ] ( main:2 [ main::point1 ] { } ) always clobbers reg byte a
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Statement [6] *((const nomodify byte*) SCREEN+(byte) 1) ← *((byte*)&(struct Point) main::point1+(const byte) OFFSET_STRUCT_POINT_Y) [ ] ( main:2 [ ] { } ) always clobbers reg byte a
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Potential registers zp[2]:2 [ main::point1 ] : zp[2]:2 ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [Point]
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Uplift Scope [main] 0: zp[2]:2 [ main::point1 ]
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Uplift Scope []
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Uplifting [Point] best 52 combination
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Uplifting [main] best 52 combination zp[2]:2 [ main::point1 ]
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Uplifting [] best 52 combination
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Minimal struct with C-Standard behavior - initializer
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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// Global Constants & labels
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.const SIZEOF_STRUCT_POINT = 2
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.const OFFSET_STRUCT_POINT_Y = 1
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.label SCREEN = $400
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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 point1 = 2
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// [4] *(&(struct Point) main::point1) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
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ldy #SIZEOF_STRUCT_POINT
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!:
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lda __0-1,y
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sta point1-1,y
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dey
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bne !-
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// [5] *((const nomodify byte*) SCREEN) ← *((byte*)&(struct Point) main::point1) -- _deref_pbuc1=_deref_pbuc2
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lda.z point1
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sta SCREEN
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// [6] *((const nomodify byte*) SCREEN+(byte) 1) ← *((byte*)&(struct Point) main::point1+(const byte) OFFSET_STRUCT_POINT_Y) -- _deref_pbuc1=_deref_pbuc2
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lda point1+OFFSET_STRUCT_POINT_Y
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sta SCREEN+1
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jmp __breturn
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// main::@return
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__breturn:
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// [7] return
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rts
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}
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// File Data
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__0: .byte 2, 3
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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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Succesful ASM optimization Pass5NextJumpElimination
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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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Succesful ASM optimization Pass5RedundantLabelElimination
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Removing instruction __bbegin:
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Removing instruction __bend:
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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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FINAL SYMBOL TABLE
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(const struct Point) $0 = { x: (byte) 2, y: (byte) 3 }
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(label) @1
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(label) @begin
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(label) @end
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(const byte) OFFSET_STRUCT_POINT_Y = (byte) 1
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(byte) Point::x
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(byte) Point::y
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(const nomodify byte*) SCREEN = (byte*) 1024
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(const byte) SIZEOF_STRUCT_POINT = (byte) 2
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(void()) main()
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(label) main::@return
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(struct Point) main::point1 loadstore zp[2]:2
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zp[2]:2 [ main::point1 ]
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FINAL ASSEMBLER
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Score: 37
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// File Comments
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// Minimal struct with C-Standard behavior - initializer
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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// Global Constants & labels
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.const SIZEOF_STRUCT_POINT = 2
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.const OFFSET_STRUCT_POINT_Y = 1
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.label SCREEN = $400
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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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.label point1 = 2
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// point1 = { 2, 3 }
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// [4] *(&(struct Point) main::point1) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
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ldy #SIZEOF_STRUCT_POINT
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!:
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lda __0-1,y
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sta point1-1,y
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dey
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bne !-
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// SCREEN[0] = point1.x
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// [5] *((const nomodify byte*) SCREEN) ← *((byte*)&(struct Point) main::point1) -- _deref_pbuc1=_deref_pbuc2
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lda.z point1
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sta SCREEN
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// SCREEN[1] = point1.y
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// [6] *((const nomodify byte*) SCREEN+(byte) 1) ← *((byte*)&(struct Point) main::point1+(const byte) OFFSET_STRUCT_POINT_Y) -- _deref_pbuc1=_deref_pbuc2
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lda point1+OFFSET_STRUCT_POINT_Y
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sta SCREEN+1
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// main::@return
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// }
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// [7] return
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rts
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}
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// File Data
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__0: .byte 2, 3
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