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kickc/src/test/ref/struct-11b.log

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CONTROL FLOW GRAPH SSA
@begin: scope:[] from
to:@1
(void()) main()
main: scope:[main] from @2
(byte) idx#15 ← phi( @2/(byte) idx#17 )
(dword) print_person::person_id#0 ← (const dword) jesper_id
(byte*) print_person::person_initials#0 ← (const byte*) jesper_initials
call print_person
to:main::@1
main::@1: scope:[main] from main
(byte) idx#8 ← phi( main/(byte) idx#6 )
(byte) idx#0 ← (byte) idx#8
(dword) print_person::person_id#1 ← (const dword) henry_id
(byte*) print_person::person_initials#1 ← (const byte*) henry_initials
call print_person
to:main::@2
main::@2: scope:[main] from main::@1
(byte) idx#9 ← phi( main::@1/(byte) idx#6 )
(byte) idx#1 ← (byte) idx#9
to:main::@return
main::@return: scope:[main] from main::@2
(byte) idx#10 ← phi( main::@2/(byte) idx#1 )
(byte) idx#2 ← (byte) idx#10
return
to:@return
@1: scope:[] from @begin
(byte) idx#3 ← (byte) 0
to:@2
(void()) print_person((dword) print_person::person_id , (byte*) print_person::person_initials)
print_person: scope:[print_person] from main main::@1
(byte) idx#18 ← phi( main/(byte) idx#15 main::@1/(byte) idx#0 )
(byte*) print_person::person_initials#4 ← phi( main/(byte*) print_person::person_initials#0 main::@1/(byte*) print_person::person_initials#1 )
(byte) print_person::i#0 ← (byte) 0
to:print_person::@1
print_person::@1: scope:[print_person] from print_person print_person::@2
(byte) idx#16 ← phi( print_person/(byte) idx#18 print_person::@2/(byte) idx#4 )
(byte) print_person::i#2 ← phi( print_person/(byte) print_person::i#0 print_person::@2/(byte) print_person::i#1 )
(byte*) print_person::person_initials#2 ← phi( print_person/(byte*) print_person::person_initials#4 print_person::@2/(byte*) print_person::person_initials#3 )
(bool~) print_person::$0 ← (number) 0 != *((byte*) print_person::person_initials#2 + (byte) print_person::i#2)
if((bool~) print_person::$0) goto print_person::@2
to:print_person::@3
print_person::@2: scope:[print_person] from print_person::@1
(byte) idx#11 ← phi( print_person::@1/(byte) idx#16 )
(byte) print_person::i#3 ← phi( print_person::@1/(byte) print_person::i#2 )
(byte*) print_person::person_initials#3 ← phi( print_person::@1/(byte*) print_person::person_initials#2 )
*((const nomodify byte*) SCREEN + (byte) idx#11) ← *((byte*) print_person::person_initials#3 + (byte) print_person::i#3)
(byte) idx#4 ← ++ (byte) idx#11
(byte) print_person::i#1 ← ++ (byte) print_person::i#3
to:print_person::@1
print_person::@3: scope:[print_person] from print_person::@1
(byte) idx#12 ← phi( print_person::@1/(byte) idx#16 )
*((const nomodify byte*) SCREEN + (byte) idx#12) ← (byte) ' '
(byte) idx#5 ← ++ (byte) idx#12
to:print_person::@return
print_person::@return: scope:[print_person] from print_person::@3
(byte) idx#13 ← phi( print_person::@3/(byte) idx#5 )
(byte) idx#6 ← (byte) idx#13
return
to:@return
@2: scope:[] from @1
(byte) idx#17 ← phi( @1/(byte) idx#3 )
call main
to:@3
@3: scope:[] from @2
(byte) idx#14 ← phi( @2/(byte) idx#2 )
(byte) idx#7 ← (byte) idx#14
to:@end
@end: scope:[] from @3
SYMBOL TABLE SSA
(label) @1
(label) @2
(label) @3
(label) @begin
(label) @end
(const nomodify byte*) SCREEN = (byte*)(number) $400
(const dword) henry_id = (dword) $4466d
(const byte*) henry_initials[(number) $40] = (byte*) "hg"
(byte) idx
(byte) idx#0
(byte) idx#1
(byte) idx#10
(byte) idx#11
(byte) idx#12
(byte) idx#13
(byte) idx#14
(byte) idx#15
(byte) idx#16
(byte) idx#17
(byte) idx#18
(byte) idx#2
(byte) idx#3
(byte) idx#4
(byte) idx#5
(byte) idx#6
(byte) idx#7
(byte) idx#8
(byte) idx#9
(const dword) jesper_id = (dword) $1b244
(const byte*) jesper_initials[(number) $40] = (byte*) "jg"
(void()) main()
(label) main::@1
(label) main::@2
(label) main::@return
(void()) print_person((dword) print_person::person_id , (byte*) print_person::person_initials)
(bool~) print_person::$0
(label) print_person::@1
(label) print_person::@2
(label) print_person::@3
(label) print_person::@return
(byte) print_person::i
(byte) print_person::i#0
(byte) print_person::i#1
(byte) print_person::i#2
(byte) print_person::i#3
(dword) print_person::person_id
(dword) print_person::person_id#0
(dword) print_person::person_id#1
(byte*) print_person::person_initials
(byte*) print_person::person_initials#0
(byte*) print_person::person_initials#1
(byte*) print_person::person_initials#2
(byte*) print_person::person_initials#3
(byte*) print_person::person_initials#4
Adding number conversion cast (unumber) 0 in (bool~) print_person::$0 ← (number) 0 != *((byte*) print_person::person_initials#2 + (byte) print_person::i#2)
Successful SSA optimization PassNAddNumberTypeConversions
Simplifying constant pointer cast (byte*) 1024
Simplifying constant integer cast 0
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) 0
Successful SSA optimization PassNFinalizeNumberTypeConversions
Alias idx#0 = idx#8
Alias idx#1 = idx#9 idx#10 idx#2
Alias print_person::person_initials#2 = print_person::person_initials#3
Alias print_person::i#2 = print_person::i#3
Alias idx#11 = idx#16 idx#12
Alias idx#13 = idx#5 idx#6
Alias idx#17 = idx#3
Alias idx#14 = idx#7
Successful SSA optimization Pass2AliasElimination
Identical Phi Values (byte) idx#15 (byte) idx#17
Identical Phi Values (byte) idx#0 (byte) idx#13
Identical Phi Values (byte) idx#1 (byte) idx#13
Identical Phi Values (byte*) print_person::person_initials#2 (byte*) print_person::person_initials#4
Identical Phi Values (byte) idx#14 (byte) idx#1
Successful SSA optimization Pass2IdenticalPhiElimination
Simple Condition (bool~) print_person::$0 [15] if((byte) 0!=*((byte*) print_person::person_initials#4 + (byte) print_person::i#2)) goto print_person::@2
Successful SSA optimization Pass2ConditionalJumpSimplification
Constant (const dword) print_person::person_id#0 = jesper_id
Constant (const byte*) print_person::person_initials#0 = jesper_initials
Constant (const dword) print_person::person_id#1 = henry_id
Constant (const byte*) print_person::person_initials#1 = henry_initials
Constant (const byte) idx#17 = 0
Constant (const byte) print_person::i#0 = 0
Successful SSA optimization Pass2ConstantIdentification
Eliminating unused constant (const dword) print_person::person_id#0
Eliminating unused constant (const dword) print_person::person_id#1
Successful SSA optimization PassNEliminateUnusedVars
Eliminating unused constant (const dword) jesper_id
Eliminating unused constant (const dword) henry_id
Successful SSA optimization PassNEliminateUnusedVars
Inlining constant with var siblings (const byte*) print_person::person_initials#0
Inlining constant with var siblings (const byte*) print_person::person_initials#1
Inlining constant with var siblings (const byte) print_person::i#0
Inlining constant with var siblings (const byte) idx#17
Constant inlined idx#17 = (byte) 0
Constant inlined print_person::person_initials#1 = (const byte*) henry_initials
Constant inlined print_person::person_initials#0 = (const byte*) jesper_initials
Constant inlined print_person::i#0 = (byte) 0
Successful SSA optimization Pass2ConstantInlining
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @1
Adding NOP phi() at start of @2
Adding NOP phi() at start of @3
Adding NOP phi() at start of @end
Adding NOP phi() at start of main
Adding NOP phi() at start of main::@2
CALL GRAPH
Calls in [] to main:3
Calls in [main] to print_person:7 print_person:9
Created 4 initial phi equivalence classes
Coalesced [8] idx#19 ← idx#13
Coalesced [13] idx#20 ← idx#18
Coalesced [22] print_person::i#4 ← print_person::i#1
Coalesced [23] idx#21 ← idx#4
Coalesced down to 3 phi equivalence classes
Culled Empty Block (label) @1
Culled Empty Block (label) @3
Culled Empty Block (label) main::@2
Renumbering block @2 to @1
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @1
Adding NOP phi() at start of @end
Adding NOP phi() at start of main
Adding NOP phi() at start of main::@1
FINAL CONTROL FLOW GRAPH
@begin: scope:[] from
[0] phi()
to:@1
@1: scope:[] from @begin
[1] phi()
[2] call main
to:@end
@end: scope:[] from @1
[3] phi()
(void()) main()
main: scope:[main] from @1
[4] phi()
[5] call print_person
to:main::@1
main::@1: scope:[main] from main
[6] phi()
[7] call print_person
to:main::@return
main::@return: scope:[main] from main::@1
[8] return
to:@return
(void()) print_person((dword) print_person::person_id , (byte*) print_person::person_initials)
print_person: scope:[print_person] from main main::@1
[9] (byte) idx#18 ← phi( main/(byte) 0 main::@1/(byte) idx#13 )
[9] (byte*) print_person::person_initials#4 ← phi( main/(const byte*) jesper_initials main::@1/(const byte*) henry_initials )
to:print_person::@1
print_person::@1: scope:[print_person] from print_person print_person::@2
[10] (byte) idx#11 ← phi( print_person/(byte) idx#18 print_person::@2/(byte) idx#4 )
[10] (byte) print_person::i#2 ← phi( print_person/(byte) 0 print_person::@2/(byte) print_person::i#1 )
[11] if((byte) 0!=*((byte*) print_person::person_initials#4 + (byte) print_person::i#2)) goto print_person::@2
to:print_person::@3
print_person::@3: scope:[print_person] from print_person::@1
[12] *((const nomodify byte*) SCREEN + (byte) idx#11) ← (byte) ' '
[13] (byte) idx#13 ← ++ (byte) idx#11
to:print_person::@return
print_person::@return: scope:[print_person] from print_person::@3
[14] return
to:@return
print_person::@2: scope:[print_person] from print_person::@1
[15] *((const nomodify byte*) SCREEN + (byte) idx#11) ← *((byte*) print_person::person_initials#4 + (byte) print_person::i#2)
[16] (byte) idx#4 ← ++ (byte) idx#11
[17] (byte) print_person::i#1 ← ++ (byte) print_person::i#2
to:print_person::@1
VARIABLE REGISTER WEIGHTS
(byte) idx
(byte) idx#11 826.5
(byte) idx#13 28.0
(byte) idx#18 112.0
(byte) idx#4 1001.0
(void()) main()
(void()) print_person((dword) print_person::person_id , (byte*) print_person::person_initials)
(byte) print_person::i
(byte) print_person::i#1 2002.0
(byte) print_person::i#2 1001.0
(dword) print_person::person_id
(byte*) print_person::person_initials
(byte*) print_person::person_initials#4 333.6666666666667
Initial phi equivalence classes
[ print_person::person_initials#4 ]
[ print_person::i#2 print_person::i#1 ]
[ idx#11 idx#18 idx#13 idx#4 ]
Complete equivalence classes
[ print_person::person_initials#4 ]
[ print_person::i#2 print_person::i#1 ]
[ idx#11 idx#18 idx#13 idx#4 ]
Allocated zp[2]:2 [ print_person::person_initials#4 ]
Allocated zp[1]:4 [ print_person::i#2 print_person::i#1 ]
Allocated zp[1]:5 [ idx#11 idx#18 idx#13 idx#4 ]
INITIAL ASM
Target platform is c64basic / MOS6502X
// File Comments
// Example of a struct containing an array
// Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
// Global Constants & labels
.label SCREEN = $400
.label idx = 5
// @begin
__bbegin:
// [1] phi from @begin to @1 [phi:@begin->@1]
__b1_from___bbegin:
jmp __b1
// @1
__b1:
// [2] call main
// [4] phi from @1 to main [phi:@1->main]
main_from___b1:
jsr main
// [3] phi from @1 to @end [phi:@1->@end]
__bend_from___b1:
jmp __bend
// @end
__bend:
// main
main: {
// [5] call print_person
// [9] phi from main to print_person [phi:main->print_person]
print_person_from_main:
// [9] phi (byte) idx#18 = (byte) 0 [phi:main->print_person#0] -- vbuz1=vbuc1
lda #0
sta.z idx
// [9] phi (byte*) print_person::person_initials#4 = (const byte*) jesper_initials [phi:main->print_person#1] -- pbuz1=pbuc1
lda #<jesper_initials
sta.z print_person.person_initials
lda #>jesper_initials
sta.z print_person.person_initials+1
jsr print_person
// [6] phi from main to main::@1 [phi:main->main::@1]
__b1_from_main:
jmp __b1
// main::@1
__b1:
// [7] call print_person
// [9] phi from main::@1 to print_person [phi:main::@1->print_person]
print_person_from___b1:
// [9] phi (byte) idx#18 = (byte) idx#13 [phi:main::@1->print_person#0] -- register_copy
// [9] phi (byte*) print_person::person_initials#4 = (const byte*) henry_initials [phi:main::@1->print_person#1] -- pbuz1=pbuc1
lda #<henry_initials
sta.z print_person.person_initials
lda #>henry_initials
sta.z print_person.person_initials+1
jsr print_person
jmp __breturn
// main::@return
__breturn:
// [8] return
rts
}
// print_person
// print_person(byte* zp(2) person_initials)
print_person: {
.label i = 4
.label person_initials = 2
// [10] phi from print_person to print_person::@1 [phi:print_person->print_person::@1]
__b1_from_print_person:
// [10] phi (byte) idx#11 = (byte) idx#18 [phi:print_person->print_person::@1#0] -- register_copy
// [10] phi (byte) print_person::i#2 = (byte) 0 [phi:print_person->print_person::@1#1] -- vbuz1=vbuc1
lda #0
sta.z i
jmp __b1
// print_person::@1
__b1:
// [11] if((byte) 0!=*((byte*) print_person::person_initials#4 + (byte) print_person::i#2)) goto print_person::@2 -- vbuc1_neq_pbuz1_derefidx_vbuz2_then_la1
ldy.z i
lda (person_initials),y
cmp #0
bne __b2
jmp __b3
// print_person::@3
__b3:
// [12] *((const nomodify byte*) SCREEN + (byte) idx#11) ← (byte) ' ' -- pbuc1_derefidx_vbuz1=vbuc2
lda #' '
ldy.z idx
sta SCREEN,y
// [13] (byte) idx#13 ← ++ (byte) idx#11 -- vbuz1=_inc_vbuz1
inc.z idx
jmp __breturn
// print_person::@return
__breturn:
// [14] return
rts
// print_person::@2
__b2:
// [15] *((const nomodify byte*) SCREEN + (byte) idx#11) ← *((byte*) print_person::person_initials#4 + (byte) print_person::i#2) -- pbuc1_derefidx_vbuz1=pbuz2_derefidx_vbuz3
ldx.z idx
ldy.z i
lda (person_initials),y
sta SCREEN,x
// [16] (byte) idx#4 ← ++ (byte) idx#11 -- vbuz1=_inc_vbuz1
inc.z idx
// [17] (byte) print_person::i#1 ← ++ (byte) print_person::i#2 -- vbuz1=_inc_vbuz1
inc.z i
// [10] phi from print_person::@2 to print_person::@1 [phi:print_person::@2->print_person::@1]
__b1_from___b2:
// [10] phi (byte) idx#11 = (byte) idx#4 [phi:print_person::@2->print_person::@1#0] -- register_copy
// [10] phi (byte) print_person::i#2 = (byte) print_person::i#1 [phi:print_person::@2->print_person::@1#1] -- register_copy
jmp __b1
}
// File Data
jesper_initials: .text "jg"
.byte 0
.fill $3d, 0
henry_initials: .text "hg"
.byte 0
.fill $3d, 0
REGISTER UPLIFT POTENTIAL REGISTERS
Statement [11] if((byte) 0!=*((byte*) print_person::person_initials#4 + (byte) print_person::i#2)) goto print_person::@2 [ print_person::person_initials#4 print_person::i#2 idx#11 ] ( main:2::print_person:5 [ print_person::person_initials#4 print_person::i#2 idx#11 ] { } main:2::print_person:7 [ print_person::person_initials#4 print_person::i#2 idx#11 ] { { idx#13 = idx#18 } } ) always clobbers reg byte a
Removing always clobbered register reg byte a as potential for zp[1]:4 [ print_person::i#2 print_person::i#1 ]
Removing always clobbered register reg byte a as potential for zp[1]:5 [ idx#11 idx#18 idx#13 idx#4 ]
Statement [12] *((const nomodify byte*) SCREEN + (byte) idx#11) ← (byte) ' ' [ idx#11 ] ( main:2::print_person:5 [ idx#11 ] { } main:2::print_person:7 [ idx#11 ] { { idx#13 = idx#18 } } ) always clobbers reg byte a
Statement [15] *((const nomodify byte*) SCREEN + (byte) idx#11) ← *((byte*) print_person::person_initials#4 + (byte) print_person::i#2) [ print_person::person_initials#4 print_person::i#2 idx#11 ] ( main:2::print_person:5 [ print_person::person_initials#4 print_person::i#2 idx#11 ] { } main:2::print_person:7 [ print_person::person_initials#4 print_person::i#2 idx#11 ] { { idx#13 = idx#18 } } ) always clobbers reg byte a
Statement [11] if((byte) 0!=*((byte*) print_person::person_initials#4 + (byte) print_person::i#2)) goto print_person::@2 [ print_person::person_initials#4 print_person::i#2 idx#11 ] ( main:2::print_person:5 [ print_person::person_initials#4 print_person::i#2 idx#11 ] { } main:2::print_person:7 [ print_person::person_initials#4 print_person::i#2 idx#11 ] { { idx#13 = idx#18 } } ) always clobbers reg byte a
Statement [12] *((const nomodify byte*) SCREEN + (byte) idx#11) ← (byte) ' ' [ idx#11 ] ( main:2::print_person:5 [ idx#11 ] { } main:2::print_person:7 [ idx#11 ] { { idx#13 = idx#18 } } ) always clobbers reg byte a
Statement [15] *((const nomodify byte*) SCREEN + (byte) idx#11) ← *((byte*) print_person::person_initials#4 + (byte) print_person::i#2) [ print_person::person_initials#4 print_person::i#2 idx#11 ] ( main:2::print_person:5 [ print_person::person_initials#4 print_person::i#2 idx#11 ] { } main:2::print_person:7 [ print_person::person_initials#4 print_person::i#2 idx#11 ] { { idx#13 = idx#18 } } ) always clobbers reg byte a
Potential registers zp[2]:2 [ print_person::person_initials#4 ] : zp[2]:2 ,
Potential registers zp[1]:4 [ print_person::i#2 print_person::i#1 ] : zp[1]:4 , reg byte x , reg byte y ,
Potential registers zp[1]:5 [ idx#11 idx#18 idx#13 idx#4 ] : zp[1]:5 , reg byte x , reg byte y ,
REGISTER UPLIFT SCOPES
Uplift Scope [print_person] 3,003: zp[1]:4 [ print_person::i#2 print_person::i#1 ] 333.67: zp[2]:2 [ print_person::person_initials#4 ]
Uplift Scope [] 1,967.5: zp[1]:5 [ idx#11 idx#18 idx#13 idx#4 ]
Uplift Scope [main]
Uplifting [print_person] best 500 combination reg byte y [ print_person::i#2 print_person::i#1 ] zp[2]:2 [ print_person::person_initials#4 ]
Uplifting [] best 431 combination reg byte x [ idx#11 idx#18 idx#13 idx#4 ]
Uplifting [main] best 431 combination
ASSEMBLER BEFORE OPTIMIZATION
// File Comments
// Example of a struct containing an array
// Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
// Global Constants & labels
.label SCREEN = $400
// @begin
__bbegin:
// [1] phi from @begin to @1 [phi:@begin->@1]
__b1_from___bbegin:
jmp __b1
// @1
__b1:
// [2] call main
// [4] phi from @1 to main [phi:@1->main]
main_from___b1:
jsr main
// [3] phi from @1 to @end [phi:@1->@end]
__bend_from___b1:
jmp __bend
// @end
__bend:
// main
main: {
// [5] call print_person
// [9] phi from main to print_person [phi:main->print_person]
print_person_from_main:
// [9] phi (byte) idx#18 = (byte) 0 [phi:main->print_person#0] -- vbuxx=vbuc1
ldx #0
// [9] phi (byte*) print_person::person_initials#4 = (const byte*) jesper_initials [phi:main->print_person#1] -- pbuz1=pbuc1
lda #<jesper_initials
sta.z print_person.person_initials
lda #>jesper_initials
sta.z print_person.person_initials+1
jsr print_person
// [6] phi from main to main::@1 [phi:main->main::@1]
__b1_from_main:
jmp __b1
// main::@1
__b1:
// [7] call print_person
// [9] phi from main::@1 to print_person [phi:main::@1->print_person]
print_person_from___b1:
// [9] phi (byte) idx#18 = (byte) idx#13 [phi:main::@1->print_person#0] -- register_copy
// [9] phi (byte*) print_person::person_initials#4 = (const byte*) henry_initials [phi:main::@1->print_person#1] -- pbuz1=pbuc1
lda #<henry_initials
sta.z print_person.person_initials
lda #>henry_initials
sta.z print_person.person_initials+1
jsr print_person
jmp __breturn
// main::@return
__breturn:
// [8] return
rts
}
// print_person
// print_person(byte* zp(2) person_initials)
print_person: {
.label person_initials = 2
// [10] phi from print_person to print_person::@1 [phi:print_person->print_person::@1]
__b1_from_print_person:
// [10] phi (byte) idx#11 = (byte) idx#18 [phi:print_person->print_person::@1#0] -- register_copy
// [10] phi (byte) print_person::i#2 = (byte) 0 [phi:print_person->print_person::@1#1] -- vbuyy=vbuc1
ldy #0
jmp __b1
// print_person::@1
__b1:
// [11] if((byte) 0!=*((byte*) print_person::person_initials#4 + (byte) print_person::i#2)) goto print_person::@2 -- vbuc1_neq_pbuz1_derefidx_vbuyy_then_la1
lda (person_initials),y
cmp #0
bne __b2
jmp __b3
// print_person::@3
__b3:
// [12] *((const nomodify byte*) SCREEN + (byte) idx#11) ← (byte) ' ' -- pbuc1_derefidx_vbuxx=vbuc2
lda #' '
sta SCREEN,x
// [13] (byte) idx#13 ← ++ (byte) idx#11 -- vbuxx=_inc_vbuxx
inx
jmp __breturn
// print_person::@return
__breturn:
// [14] return
rts
// print_person::@2
__b2:
// [15] *((const nomodify byte*) SCREEN + (byte) idx#11) ← *((byte*) print_person::person_initials#4 + (byte) print_person::i#2) -- pbuc1_derefidx_vbuxx=pbuz1_derefidx_vbuyy
lda (person_initials),y
sta SCREEN,x
// [16] (byte) idx#4 ← ++ (byte) idx#11 -- vbuxx=_inc_vbuxx
inx
// [17] (byte) print_person::i#1 ← ++ (byte) print_person::i#2 -- vbuyy=_inc_vbuyy
iny
// [10] phi from print_person::@2 to print_person::@1 [phi:print_person::@2->print_person::@1]
__b1_from___b2:
// [10] phi (byte) idx#11 = (byte) idx#4 [phi:print_person::@2->print_person::@1#0] -- register_copy
// [10] phi (byte) print_person::i#2 = (byte) print_person::i#1 [phi:print_person::@2->print_person::@1#1] -- register_copy
jmp __b1
}
// File Data
jesper_initials: .text "jg"
.byte 0
.fill $3d, 0
henry_initials: .text "hg"
.byte 0
.fill $3d, 0
ASSEMBLER OPTIMIZATIONS
Removing instruction jmp __b1
Removing instruction jmp __bend
Removing instruction jmp __b1
Removing instruction jmp __breturn
Removing instruction jmp __b1
Removing instruction jmp __b3
Removing instruction jmp __breturn
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction __b1_from___bbegin:
Removing instruction __b1:
Removing instruction main_from___b1:
Removing instruction __bend_from___b1:
Removing instruction __b1_from_main:
Removing instruction print_person_from___b1:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction __bbegin:
Removing instruction __bend:
Removing instruction print_person_from_main:
Removing instruction __b1:
Removing instruction __breturn:
Removing instruction __b1_from_print_person:
Removing instruction __b3:
Removing instruction __breturn:
Removing instruction __b1_from___b2:
Succesful ASM optimization Pass5UnusedLabelElimination
Removing instruction jsr main
Succesful ASM optimization Pass5SkipBegin
FINAL SYMBOL TABLE
(label) @1
(label) @begin
(label) @end
(const nomodify byte*) SCREEN = (byte*) 1024
(const byte*) henry_initials[(number) $40] = (byte*) "hg"
(byte) idx
(byte) idx#11 reg byte x 826.5
(byte) idx#13 reg byte x 28.0
(byte) idx#18 reg byte x 112.0
(byte) idx#4 reg byte x 1001.0
(const byte*) jesper_initials[(number) $40] = (byte*) "jg"
(void()) main()
(label) main::@1
(label) main::@return
(void()) print_person((dword) print_person::person_id , (byte*) print_person::person_initials)
(label) print_person::@1
(label) print_person::@2
(label) print_person::@3
(label) print_person::@return
(byte) print_person::i
(byte) print_person::i#1 reg byte y 2002.0
(byte) print_person::i#2 reg byte y 1001.0
(dword) print_person::person_id
(byte*) print_person::person_initials
(byte*) print_person::person_initials#4 person_initials zp[2]:2 333.6666666666667
zp[2]:2 [ print_person::person_initials#4 ]
reg byte y [ print_person::i#2 print_person::i#1 ]
reg byte x [ idx#11 idx#18 idx#13 idx#4 ]
FINAL ASSEMBLER
Score: 350
// File Comments
// Example of a struct containing an array
// Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
// Global Constants & labels
.label SCREEN = $400
// @begin
// [1] phi from @begin to @1 [phi:@begin->@1]
// @1
// [2] call main
// [4] phi from @1 to main [phi:@1->main]
// [3] phi from @1 to @end [phi:@1->@end]
// @end
// main
main: {
// print_person(jesper_id, jesper_initials)
// [5] call print_person
// [9] phi from main to print_person [phi:main->print_person]
// [9] phi (byte) idx#18 = (byte) 0 [phi:main->print_person#0] -- vbuxx=vbuc1
ldx #0
// [9] phi (byte*) print_person::person_initials#4 = (const byte*) jesper_initials [phi:main->print_person#1] -- pbuz1=pbuc1
lda #<jesper_initials
sta.z print_person.person_initials
lda #>jesper_initials
sta.z print_person.person_initials+1
jsr print_person
// [6] phi from main to main::@1 [phi:main->main::@1]
// main::@1
// print_person(henry_id, henry_initials)
// [7] call print_person
// [9] phi from main::@1 to print_person [phi:main::@1->print_person]
// [9] phi (byte) idx#18 = (byte) idx#13 [phi:main::@1->print_person#0] -- register_copy
// [9] phi (byte*) print_person::person_initials#4 = (const byte*) henry_initials [phi:main::@1->print_person#1] -- pbuz1=pbuc1
lda #<henry_initials
sta.z print_person.person_initials
lda #>henry_initials
sta.z print_person.person_initials+1
jsr print_person
// main::@return
// }
// [8] return
rts
}
// print_person
// print_person(byte* zp(2) person_initials)
print_person: {
.label person_initials = 2
// [10] phi from print_person to print_person::@1 [phi:print_person->print_person::@1]
// [10] phi (byte) idx#11 = (byte) idx#18 [phi:print_person->print_person::@1#0] -- register_copy
// [10] phi (byte) print_person::i#2 = (byte) 0 [phi:print_person->print_person::@1#1] -- vbuyy=vbuc1
ldy #0
// print_person::@1
__b1:
// for(byte i=0; person_initials[i]; i++)
// [11] if((byte) 0!=*((byte*) print_person::person_initials#4 + (byte) print_person::i#2)) goto print_person::@2 -- vbuc1_neq_pbuz1_derefidx_vbuyy_then_la1
lda (person_initials),y
cmp #0
bne __b2
// print_person::@3
// SCREEN[idx++] = ' '
// [12] *((const nomodify byte*) SCREEN + (byte) idx#11) ← (byte) ' ' -- pbuc1_derefidx_vbuxx=vbuc2
lda #' '
sta SCREEN,x
// SCREEN[idx++] = ' ';
// [13] (byte) idx#13 ← ++ (byte) idx#11 -- vbuxx=_inc_vbuxx
inx
// print_person::@return
// }
// [14] return
rts
// print_person::@2
__b2:
// SCREEN[idx++] = person_initials[i]
// [15] *((const nomodify byte*) SCREEN + (byte) idx#11) ← *((byte*) print_person::person_initials#4 + (byte) print_person::i#2) -- pbuc1_derefidx_vbuxx=pbuz1_derefidx_vbuyy
lda (person_initials),y
sta SCREEN,x
// SCREEN[idx++] = person_initials[i];
// [16] (byte) idx#4 ← ++ (byte) idx#11 -- vbuxx=_inc_vbuxx
inx
// for(byte i=0; person_initials[i]; i++)
// [17] (byte) print_person::i#1 ← ++ (byte) print_person::i#2 -- vbuyy=_inc_vbuyy
iny
// [10] phi from print_person::@2 to print_person::@1 [phi:print_person::@2->print_person::@1]
// [10] phi (byte) idx#11 = (byte) idx#4 [phi:print_person::@2->print_person::@1#0] -- register_copy
// [10] phi (byte) print_person::i#2 = (byte) print_person::i#1 [phi:print_person::@2->print_person::@1#1] -- register_copy
jmp __b1
}
// File Data
jesper_initials: .text "jg"
.byte 0
.fill $3d, 0
henry_initials: .text "hg"
.byte 0
.fill $3d, 0
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