mirror of https://gitlab.com/camelot/kickc.git
1315 lines
49 KiB
Plaintext
1315 lines
49 KiB
Plaintext
Inlined call call __init
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Eliminating unused variable with no statement memset::$2
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CONTROL FLOW GRAPH SSA
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void print_str(char *str)
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print_str: scope:[print_str] from main::@1
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print_char_cursor#34 = phi( main::@1/print_char_cursor#32 )
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print_str::str#5 = phi( main::@1/print_str::str#1 )
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to:print_str::@1
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print_str::@1: scope:[print_str] from print_str print_str::@3
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print_char_cursor#29 = phi( print_str/print_char_cursor#34, print_str::@3/print_char_cursor#0 )
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print_str::str#2 = phi( print_str/print_str::str#5, print_str::@3/print_str::str#0 )
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print_str::$1 = 0 != *print_str::str#2
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if(print_str::$1) goto print_str::@2
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to:print_str::@return
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print_str::@2: scope:[print_str] from print_str::@1
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print_char_cursor#28 = phi( print_str::@1/print_char_cursor#29 )
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print_str::str#3 = phi( print_str::@1/print_str::str#2 )
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print_char::ch#0 = *print_str::str#3
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call print_char
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to:print_str::@3
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print_str::@3: scope:[print_str] from print_str::@2
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print_str::str#4 = phi( print_str::@2/print_str::str#3 )
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print_char_cursor#15 = phi( print_str::@2/print_char_cursor#5 )
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print_char_cursor#0 = print_char_cursor#15
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print_str::str#0 = ++ print_str::str#4
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to:print_str::@1
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print_str::@return: scope:[print_str] from print_str::@1
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print_char_cursor#16 = phi( print_str::@1/print_char_cursor#29 )
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print_char_cursor#1 = print_char_cursor#16
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return
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to:@return
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void print_ln()
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print_ln: scope:[print_ln] from main::@3
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print_char_cursor#30 = phi( main::@3/print_char_cursor#9 )
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print_line_cursor#19 = phi( main::@3/print_line_cursor#21 )
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to:print_ln::@1
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print_ln::@1: scope:[print_ln] from print_ln print_ln::@1
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print_char_cursor#17 = phi( print_ln/print_char_cursor#30, print_ln::@1/print_char_cursor#17 )
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print_line_cursor#10 = phi( print_ln/print_line_cursor#19, print_ln::@1/print_line_cursor#0 )
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print_ln::$0 = print_line_cursor#10 + $28
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print_line_cursor#0 = print_ln::$0
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print_ln::$1 = print_line_cursor#0 < print_char_cursor#17
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if(print_ln::$1) goto print_ln::@1
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to:print_ln::@2
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print_ln::@2: scope:[print_ln] from print_ln::@1
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print_line_cursor#11 = phi( print_ln::@1/print_line_cursor#0 )
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print_char_cursor#2 = print_line_cursor#11
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to:print_ln::@return
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print_ln::@return: scope:[print_ln] from print_ln::@2
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print_char_cursor#18 = phi( print_ln::@2/print_char_cursor#2 )
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print_line_cursor#12 = phi( print_ln::@2/print_line_cursor#11 )
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print_line_cursor#1 = print_line_cursor#12
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print_char_cursor#3 = print_char_cursor#18
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return
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to:@return
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void print_char(char ch)
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print_char: scope:[print_char] from print_str::@2
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print_char_cursor#19 = phi( print_str::@2/print_char_cursor#28 )
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print_char::ch#1 = phi( print_str::@2/print_char::ch#0 )
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*print_char_cursor#19 = print_char::ch#1
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print_char_cursor#4 = ++ print_char_cursor#19
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to:print_char::@return
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print_char::@return: scope:[print_char] from print_char
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print_char_cursor#20 = phi( print_char/print_char_cursor#4 )
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print_char_cursor#5 = print_char_cursor#20
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return
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to:@return
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void print_cls()
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print_cls: scope:[print_cls] from main
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print_screen#2 = phi( main/print_screen#5 )
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memset::str#0 = (void *)print_screen#2
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memset::c#0 = ' '
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memset::num#0 = $3e8
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call memset
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memset::return#0 = memset::return#2
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to:print_cls::@1
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print_cls::@1: scope:[print_cls] from print_cls
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print_screen#3 = phi( print_cls/print_screen#2 )
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print_line_cursor#2 = print_screen#3
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print_char_cursor#6 = print_line_cursor#2
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to:print_cls::@return
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print_cls::@return: scope:[print_cls] from print_cls::@1
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print_char_cursor#21 = phi( print_cls::@1/print_char_cursor#6 )
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print_line_cursor#13 = phi( print_cls::@1/print_line_cursor#2 )
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print_line_cursor#3 = print_line_cursor#13
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print_char_cursor#7 = print_char_cursor#21
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return
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to:@return
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void * memset(void *str , char c , unsigned int num)
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memset: scope:[memset] from print_cls
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memset::c#4 = phi( print_cls/memset::c#0 )
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memset::str#3 = phi( print_cls/memset::str#0 )
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memset::num#1 = phi( print_cls/memset::num#0 )
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memset::$0 = memset::num#1 > 0
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memset::$1 = ! memset::$0
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if(memset::$1) goto memset::@1
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to:memset::@2
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memset::@1: scope:[memset] from memset memset::@3
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memset::str#1 = phi( memset/memset::str#3, memset::@3/memset::str#4 )
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memset::return#1 = memset::str#1
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to:memset::@return
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memset::@2: scope:[memset] from memset
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memset::c#3 = phi( memset/memset::c#4 )
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memset::num#2 = phi( memset/memset::num#1 )
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memset::str#2 = phi( memset/memset::str#3 )
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memset::$4 = (char *)memset::str#2
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memset::end#0 = memset::$4 + memset::num#2
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memset::dst#0 = ((char *)) memset::str#2
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to:memset::@3
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memset::@3: scope:[memset] from memset::@2 memset::@4
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memset::c#2 = phi( memset::@2/memset::c#3, memset::@4/memset::c#1 )
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memset::str#4 = phi( memset::@2/memset::str#2, memset::@4/memset::str#5 )
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memset::end#1 = phi( memset::@2/memset::end#0, memset::@4/memset::end#2 )
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memset::dst#2 = phi( memset::@2/memset::dst#0, memset::@4/memset::dst#1 )
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memset::$3 = memset::dst#2 != memset::end#1
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if(memset::$3) goto memset::@4
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to:memset::@1
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memset::@4: scope:[memset] from memset::@3
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memset::str#5 = phi( memset::@3/memset::str#4 )
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memset::end#2 = phi( memset::@3/memset::end#1 )
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memset::dst#3 = phi( memset::@3/memset::dst#2 )
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memset::c#1 = phi( memset::@3/memset::c#2 )
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*memset::dst#3 = memset::c#1
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memset::dst#1 = ++ memset::dst#3
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to:memset::@3
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memset::@return: scope:[memset] from memset::@1
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memset::return#3 = phi( memset::@1/memset::return#1 )
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memset::return#2 = memset::return#3
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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 __start::@1
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print_char_cursor#31 = phi( __start::@1/print_char_cursor#33 )
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print_line_cursor#20 = phi( __start::@1/print_line_cursor#22 )
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print_screen#5 = phi( __start::@1/print_screen#7 )
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call print_cls
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to:main::@2
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main::@2: scope:[main] from main
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print_char_cursor#22 = phi( main/print_char_cursor#7 )
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print_line_cursor#14 = phi( main/print_line_cursor#3 )
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print_line_cursor#4 = print_line_cursor#14
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print_char_cursor#8 = print_char_cursor#22
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main::i#0 = 0
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to:main::@1
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main::@1: scope:[main] from main::@2 main::@4
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main::i#4 = phi( main::@2/main::i#0, main::@4/main::i#1 )
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print_line_cursor#23 = phi( main::@2/print_line_cursor#4, main::@4/print_line_cursor#5 )
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print_char_cursor#32 = phi( main::@2/print_char_cursor#8, main::@4/print_char_cursor#10 )
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print_str::str#1 = txt
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call print_str
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to:main::@3
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main::@3: scope:[main] from main::@1
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main::i#3 = phi( main::@1/main::i#4 )
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print_line_cursor#21 = phi( main::@1/print_line_cursor#23 )
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print_char_cursor#23 = phi( main::@1/print_char_cursor#1 )
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print_char_cursor#9 = print_char_cursor#23
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call print_ln
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to:main::@4
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main::@4: scope:[main] from main::@3
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main::i#2 = phi( main::@3/main::i#3 )
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print_char_cursor#24 = phi( main::@3/print_char_cursor#3 )
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print_line_cursor#15 = phi( main::@3/print_line_cursor#1 )
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print_line_cursor#5 = print_line_cursor#15
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print_char_cursor#10 = print_char_cursor#24
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txt[1] = ++ txt[1]
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main::i#1 = main::i#2 + rangenext(0,$a)
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main::$4 = main::i#1 != rangelast(0,$a)
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if(main::$4) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@4
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print_char_cursor#25 = phi( main::@4/print_char_cursor#10 )
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print_line_cursor#16 = phi( main::@4/print_line_cursor#5 )
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print_line_cursor#6 = print_line_cursor#16
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print_char_cursor#11 = print_char_cursor#25
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return
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to:@return
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void __start()
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__start: scope:[__start] from
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to:__start::__init1
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__start::__init1: scope:[__start] from __start
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print_screen#0 = (char *)$400
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print_line_cursor#7 = print_screen#0
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print_char_cursor#12 = print_line_cursor#7
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to:__start::@1
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__start::@1: scope:[__start] from __start::__init1
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print_screen#7 = phi( __start::__init1/print_screen#0 )
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print_char_cursor#33 = phi( __start::__init1/print_char_cursor#12 )
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print_line_cursor#22 = phi( __start::__init1/print_line_cursor#7 )
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call main
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to:__start::@2
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__start::@2: scope:[__start] from __start::@1
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print_screen#6 = phi( __start::@1/print_screen#7 )
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print_char_cursor#26 = phi( __start::@1/print_char_cursor#11 )
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print_line_cursor#17 = phi( __start::@1/print_line_cursor#6 )
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print_line_cursor#8 = print_line_cursor#17
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print_char_cursor#13 = print_char_cursor#26
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to:__start::@return
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__start::@return: scope:[__start] from __start::@2
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print_char_cursor#27 = phi( __start::@2/print_char_cursor#13 )
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print_line_cursor#18 = phi( __start::@2/print_line_cursor#8 )
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print_screen#4 = phi( __start::@2/print_screen#6 )
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print_screen#1 = print_screen#4
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print_line_cursor#9 = print_line_cursor#18
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print_char_cursor#14 = print_char_cursor#27
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return
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to:@return
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SYMBOL TABLE SSA
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__constant char RADIX::BINARY = 2
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__constant char RADIX::DECIMAL = $a
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__constant char RADIX::HEXADECIMAL = $10
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__constant char RADIX::OCTAL = 8
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void __start()
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void main()
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bool main::$4
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char main::i
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char main::i#0
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char main::i#1
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char main::i#2
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char main::i#3
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char main::i#4
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void * memset(void *str , char c , unsigned int num)
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bool memset::$0
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bool memset::$1
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bool memset::$3
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char *memset::$4
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char memset::c
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char memset::c#0
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char memset::c#1
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char memset::c#2
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char memset::c#3
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char memset::c#4
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char *memset::dst
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char *memset::dst#0
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char *memset::dst#1
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char *memset::dst#2
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char *memset::dst#3
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char *memset::end
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char *memset::end#0
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char *memset::end#1
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char *memset::end#2
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unsigned int memset::num
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unsigned int memset::num#0
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unsigned int memset::num#1
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unsigned int memset::num#2
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void *memset::return
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void *memset::return#0
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void *memset::return#1
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void *memset::return#2
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void *memset::return#3
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void *memset::str
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void *memset::str#0
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void *memset::str#1
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void *memset::str#2
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void *memset::str#3
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void *memset::str#4
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void *memset::str#5
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void print_char(char ch)
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char print_char::ch
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char print_char::ch#0
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char print_char::ch#1
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char *print_char_cursor
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char *print_char_cursor#0
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char *print_char_cursor#1
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char *print_char_cursor#10
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char *print_char_cursor#11
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char *print_char_cursor#12
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char *print_char_cursor#13
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char *print_char_cursor#14
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char *print_char_cursor#15
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char *print_char_cursor#16
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char *print_char_cursor#17
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char *print_char_cursor#18
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char *print_char_cursor#19
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char *print_char_cursor#2
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char *print_char_cursor#20
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char *print_char_cursor#21
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char *print_char_cursor#22
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char *print_char_cursor#23
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char *print_char_cursor#24
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char *print_char_cursor#25
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char *print_char_cursor#26
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char *print_char_cursor#27
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char *print_char_cursor#28
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char *print_char_cursor#29
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char *print_char_cursor#3
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char *print_char_cursor#30
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char *print_char_cursor#31
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char *print_char_cursor#32
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char *print_char_cursor#33
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char *print_char_cursor#34
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char *print_char_cursor#4
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char *print_char_cursor#5
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char *print_char_cursor#6
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char *print_char_cursor#7
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char *print_char_cursor#8
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char *print_char_cursor#9
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void print_cls()
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char *print_line_cursor
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char *print_line_cursor#0
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char *print_line_cursor#1
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char *print_line_cursor#10
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char *print_line_cursor#11
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char *print_line_cursor#12
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char *print_line_cursor#13
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char *print_line_cursor#14
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char *print_line_cursor#15
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char *print_line_cursor#16
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char *print_line_cursor#17
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char *print_line_cursor#18
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char *print_line_cursor#19
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char *print_line_cursor#2
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char *print_line_cursor#20
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char *print_line_cursor#21
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char *print_line_cursor#22
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char *print_line_cursor#23
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char *print_line_cursor#3
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char *print_line_cursor#4
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char *print_line_cursor#5
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char *print_line_cursor#6
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char *print_line_cursor#7
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char *print_line_cursor#8
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char *print_line_cursor#9
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void print_ln()
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char *print_ln::$0
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bool print_ln::$1
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char *print_screen
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char *print_screen#0
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char *print_screen#1
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char *print_screen#2
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char *print_screen#3
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char *print_screen#4
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char *print_screen#5
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char *print_screen#6
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char *print_screen#7
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void print_str(char *str)
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bool print_str::$1
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char *print_str::str
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char *print_str::str#0
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char *print_str::str#1
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char *print_str::str#2
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char *print_str::str#3
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char *print_str::str#4
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char *print_str::str#5
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__constant char txt[] = "camelot"
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Adding number conversion cast (unumber) 0 in print_str::$1 = 0 != *print_str::str#2
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Adding number conversion cast (unumber) $28 in print_ln::$0 = print_line_cursor#10 + $28
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Adding number conversion cast (unumber) $3e8 in memset::num#0 = $3e8
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Adding number conversion cast (unumber) 0 in memset::$0 = memset::num#1 > 0
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Adding number conversion cast (unumber) 1 in txt[1] = ++ txt[1]
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Adding number conversion cast (unumber) 1 in txt[1] = ++ txt[(unumber)1]
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast memset::num#0 = (unumber)$3e8
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Inlining cast memset::dst#0 = (char *)memset::str#2
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Successful SSA optimization Pass2InlineCast
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Simplifying constant integer cast 0
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Simplifying constant integer cast $28
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Simplifying constant integer cast $3e8
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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 pointer cast (char *) 1024
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (char) 0
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Finalized unsigned number type (char) $28
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Finalized unsigned number type (unsigned int) $3e8
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Finalized unsigned number type (char) 0
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Finalized unsigned number type (char) 1
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Finalized unsigned number type (char) 1
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inversing boolean not [46] memset::$1 = memset::num#1 <= 0 from [45] memset::$0 = memset::num#1 > 0
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Successful SSA optimization Pass2UnaryNotSimplification
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Alias print_str::str#2 = print_str::str#3 print_str::str#4
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Alias print_char_cursor#1 = print_char_cursor#28 print_char_cursor#29 print_char_cursor#16
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Alias print_char_cursor#0 = print_char_cursor#15
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Alias print_line_cursor#0 = print_ln::$0 print_line_cursor#11 print_char_cursor#2 print_line_cursor#12 print_char_cursor#18 print_line_cursor#1 print_char_cursor#3
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Alias print_char_cursor#20 = print_char_cursor#4 print_char_cursor#5
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Alias print_line_cursor#13 = print_screen#3 print_screen#2 print_line_cursor#2 print_char_cursor#6 print_char_cursor#21 print_line_cursor#3 print_char_cursor#7
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Alias memset::return#1 = memset::str#1 memset::return#3 memset::return#2
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Alias memset::str#2 = memset::str#3
|
|
Alias memset::num#1 = memset::num#2
|
|
Alias memset::c#3 = memset::c#4
|
|
Alias memset::c#1 = memset::c#2
|
|
Alias memset::dst#2 = memset::dst#3
|
|
Alias memset::end#1 = memset::end#2
|
|
Alias memset::str#4 = memset::str#5
|
|
Alias print_line_cursor#14 = print_line_cursor#4
|
|
Alias print_char_cursor#22 = print_char_cursor#8
|
|
Alias print_line_cursor#21 = print_line_cursor#23
|
|
Alias main::i#2 = main::i#3 main::i#4
|
|
Alias print_char_cursor#23 = print_char_cursor#9
|
|
Alias print_line_cursor#15 = print_line_cursor#5 print_line_cursor#16 print_line_cursor#6
|
|
Alias print_char_cursor#10 = print_char_cursor#24 print_char_cursor#25 print_char_cursor#11
|
|
Alias print_screen#0 = print_line_cursor#7 print_char_cursor#12 print_line_cursor#22 print_char_cursor#33 print_screen#7 print_screen#6 print_screen#4 print_screen#1
|
|
Alias print_line_cursor#17 = print_line_cursor#8 print_line_cursor#18 print_line_cursor#9
|
|
Alias print_char_cursor#13 = print_char_cursor#26 print_char_cursor#27 print_char_cursor#14
|
|
Successful SSA optimization Pass2AliasElimination
|
|
Identical Phi Values print_str::str#5 print_str::str#1
|
|
Identical Phi Values print_char_cursor#34 print_char_cursor#32
|
|
Identical Phi Values print_char_cursor#0 print_char_cursor#20
|
|
Identical Phi Values print_line_cursor#19 print_line_cursor#21
|
|
Identical Phi Values print_char_cursor#30 print_char_cursor#23
|
|
Identical Phi Values print_char_cursor#17 print_char_cursor#30
|
|
Identical Phi Values print_char::ch#1 print_char::ch#0
|
|
Identical Phi Values print_char_cursor#19 print_char_cursor#1
|
|
Identical Phi Values print_line_cursor#13 print_screen#5
|
|
Identical Phi Values memset::num#1 memset::num#0
|
|
Identical Phi Values memset::str#2 memset::str#0
|
|
Identical Phi Values memset::c#3 memset::c#0
|
|
Identical Phi Values memset::end#1 memset::end#0
|
|
Identical Phi Values memset::str#4 memset::str#2
|
|
Identical Phi Values memset::c#1 memset::c#3
|
|
Identical Phi Values print_screen#5 print_screen#0
|
|
Identical Phi Values print_line_cursor#20 print_screen#0
|
|
Identical Phi Values print_char_cursor#31 print_screen#0
|
|
Identical Phi Values print_line_cursor#14 print_line_cursor#13
|
|
Identical Phi Values print_char_cursor#22 print_line_cursor#13
|
|
Identical Phi Values print_char_cursor#23 print_char_cursor#1
|
|
Identical Phi Values print_line_cursor#15 print_line_cursor#0
|
|
Identical Phi Values print_char_cursor#10 print_line_cursor#0
|
|
Identical Phi Values print_line_cursor#17 print_line_cursor#15
|
|
Identical Phi Values print_char_cursor#13 print_char_cursor#10
|
|
Successful SSA optimization Pass2IdenticalPhiElimination
|
|
Identical Phi Values memset::return#1 memset::str#0
|
|
Successful SSA optimization Pass2IdenticalPhiElimination
|
|
Simple Condition print_str::$1 [3] if(0!=*print_str::str#2) goto print_str::@2
|
|
Simple Condition print_ln::$1 [13] if(print_line_cursor#0<print_char_cursor#1) goto print_ln::@1
|
|
Simple Condition memset::$1 [28] if(memset::num#0<=0) goto memset::@1
|
|
Simple Condition memset::$3 [35] if(memset::dst#2!=memset::end#0) goto memset::@4
|
|
Simple Condition main::$4 [52] if(main::i#1!=rangelast(0,$a)) goto main::@1
|
|
Successful SSA optimization Pass2ConditionalJumpSimplification
|
|
Constant memset::c#0 = ' '
|
|
Constant memset::num#0 = $3e8
|
|
Constant main::i#0 = 0
|
|
Constant print_str::str#1 = txt
|
|
Constant print_screen#0 = (char *) 1024
|
|
Successful SSA optimization Pass2ConstantIdentification
|
|
Constant memset::str#0 = (void *)print_screen#0
|
|
Successful SSA optimization Pass2ConstantIdentification
|
|
Constant memset::return#0 = memset::str#0
|
|
Constant memset::$4 = (char *)memset::str#0
|
|
Constant memset::dst#0 = (char *)memset::str#0
|
|
Successful SSA optimization Pass2ConstantIdentification
|
|
if() condition always false - eliminating [28] if(memset::num#0<=0) goto memset::@1
|
|
Successful SSA optimization Pass2ConstantIfs
|
|
Resolved ranged next value [50] main::i#1 = ++ main::i#2 to ++
|
|
Resolved ranged comparison value [52] if(main::i#1!=rangelast(0,$a)) goto main::@1 to $b
|
|
Eliminating unused constant memset::return#0
|
|
Successful SSA optimization PassNEliminateUnusedVars
|
|
Removing unused procedure __start
|
|
Removing unused procedure block __start
|
|
Removing unused procedure block __start::__init1
|
|
Removing unused procedure block __start::@1
|
|
Removing unused procedure block __start::@2
|
|
Removing unused procedure block __start::@return
|
|
Successful SSA optimization PassNEliminateEmptyStart
|
|
Adding number conversion cast (unumber) $b in [27] if(main::i#1!=$b) goto main::@1
|
|
Successful SSA optimization PassNAddNumberTypeConversions
|
|
Simplifying constant integer cast $b
|
|
Successful SSA optimization PassNCastSimplification
|
|
Finalized unsigned number type (char) $b
|
|
Successful SSA optimization PassNFinalizeNumberTypeConversions
|
|
Constant right-side identified [15] memset::end#0 = memset::$4 + memset::num#0
|
|
Successful SSA optimization Pass2ConstantRValueConsolidation
|
|
Constant memset::end#0 = memset::$4+memset::num#0
|
|
Successful SSA optimization Pass2ConstantIdentification
|
|
Inlining constant with var siblings print_str::str#1
|
|
Inlining constant with var siblings memset::dst#0
|
|
Inlining constant with var siblings main::i#0
|
|
Constant inlined main::i#0 = 0
|
|
Constant inlined memset::dst#0 = (char *)memset::str#0
|
|
Constant inlined print_str::str#1 = txt
|
|
Constant inlined memset::$4 = (char *)memset::str#0
|
|
Successful SSA optimization Pass2ConstantInlining
|
|
Consolidated array index constant in *(txt+1)
|
|
Consolidated array index constant in *(txt+1)
|
|
Successful SSA optimization Pass2ConstantAdditionElimination
|
|
Finalized unsigned number type (char) 2
|
|
Finalized unsigned number type (char) 8
|
|
Finalized unsigned number type (char) $a
|
|
Finalized unsigned number type (char) $10
|
|
Successful SSA optimization PassNFinalizeNumberTypeConversions
|
|
Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_ln::@1)
|
|
Added new block during phi lifting main::@5(between main::@4 and main::@1)
|
|
Adding NOP phi() at start of main
|
|
Adding NOP phi() at start of main::@2
|
|
Adding NOP phi() at start of main::@3
|
|
Adding NOP phi() at start of print_cls
|
|
Adding NOP phi() at start of print_cls::@1
|
|
Adding NOP phi() at start of print_ln::@2
|
|
Adding NOP phi() at start of memset
|
|
Adding NOP phi() at start of memset::@2
|
|
Adding NOP phi() at start of memset::@1
|
|
CALL GRAPH
|
|
Calls in [main] to print_cls:1 print_str:4 print_ln:6
|
|
Calls in [print_cls] to memset:15
|
|
Calls in [print_str] to print_char:23
|
|
|
|
Created 7 initial phi equivalence classes
|
|
Not coalescing [11] print_char_cursor#37 = print_line_cursor#0
|
|
Coalesced [12] print_line_cursor#26 = print_line_cursor#0
|
|
Coalesced [13] main::i#5 = main::i#1
|
|
Coalesced [18] print_char_cursor#35 = print_char_cursor#32
|
|
Coalesced [25] print_str::str#6 = print_str::str#0
|
|
Coalesced [26] print_char_cursor#36 = print_char_cursor#20
|
|
Coalesced [27] print_line_cursor#24 = print_line_cursor#21
|
|
Coalesced (already) [33] print_line_cursor#25 = print_line_cursor#0
|
|
Coalesced [42] memset::dst#4 = memset::dst#1
|
|
Coalesced down to 5 phi equivalence classes
|
|
Culled Empty Block label main::@2
|
|
Culled Empty Block label print_cls::@1
|
|
Culled Empty Block label print_ln::@2
|
|
Culled Empty Block label print_ln::@3
|
|
Culled Empty Block label memset::@2
|
|
Culled Empty Block label memset::@1
|
|
Renumbering block memset::@3 to memset::@1
|
|
Renumbering block memset::@4 to memset::@2
|
|
Renumbering block main::@3 to main::@2
|
|
Renumbering block main::@4 to main::@3
|
|
Renumbering block main::@5 to main::@4
|
|
Adding NOP phi() at start of main
|
|
Adding NOP phi() at start of main::@2
|
|
Adding NOP phi() at start of print_cls
|
|
Adding NOP phi() at start of print_str
|
|
Adding NOP phi() at start of print_ln
|
|
Adding NOP phi() at start of memset
|
|
|
|
FINAL CONTROL FLOW GRAPH
|
|
|
|
void main()
|
|
main: scope:[main] from
|
|
[0] phi()
|
|
[1] call print_cls
|
|
to:main::@1
|
|
main::@1: scope:[main] from main main::@4
|
|
[2] main::i#2 = phi( main/0, main::@4/main::i#1 )
|
|
[2] print_line_cursor#21 = phi( main/print_screen#0, main::@4/print_line_cursor#0 )
|
|
[2] print_char_cursor#32 = phi( main/print_screen#0, main::@4/print_char_cursor#37 )
|
|
[3] call print_str
|
|
to:main::@2
|
|
main::@2: scope:[main] from main::@1
|
|
[4] phi()
|
|
[5] call print_ln
|
|
to:main::@3
|
|
main::@3: scope:[main] from main::@2
|
|
[6] *(txt+1) = ++ *(txt+1)
|
|
[7] main::i#1 = ++ main::i#2
|
|
[8] if(main::i#1!=$b) goto main::@4
|
|
to:main::@return
|
|
main::@return: scope:[main] from main::@3
|
|
[9] return
|
|
to:@return
|
|
main::@4: scope:[main] from main::@3
|
|
[10] print_char_cursor#37 = print_line_cursor#0
|
|
to:main::@1
|
|
|
|
void print_cls()
|
|
print_cls: scope:[print_cls] from main
|
|
[11] phi()
|
|
[12] call memset
|
|
to:print_cls::@return
|
|
print_cls::@return: scope:[print_cls] from print_cls
|
|
[13] return
|
|
to:@return
|
|
|
|
void print_str(char *str)
|
|
print_str: scope:[print_str] from main::@1
|
|
[14] phi()
|
|
to:print_str::@1
|
|
print_str::@1: scope:[print_str] from print_str print_str::@3
|
|
[15] print_char_cursor#1 = phi( print_str/print_char_cursor#32, print_str::@3/print_char_cursor#20 )
|
|
[15] print_str::str#2 = phi( print_str/txt, print_str::@3/print_str::str#0 )
|
|
[16] if(0!=*print_str::str#2) goto print_str::@2
|
|
to:print_str::@return
|
|
print_str::@return: scope:[print_str] from print_str::@1
|
|
[17] return
|
|
to:@return
|
|
print_str::@2: scope:[print_str] from print_str::@1
|
|
[18] print_char::ch#0 = *print_str::str#2
|
|
[19] call print_char
|
|
to:print_str::@3
|
|
print_str::@3: scope:[print_str] from print_str::@2
|
|
[20] print_str::str#0 = ++ print_str::str#2
|
|
to:print_str::@1
|
|
|
|
void print_ln()
|
|
print_ln: scope:[print_ln] from main::@2
|
|
[21] phi()
|
|
to:print_ln::@1
|
|
print_ln::@1: scope:[print_ln] from print_ln print_ln::@1
|
|
[22] print_line_cursor#10 = phi( print_ln/print_line_cursor#21, print_ln::@1/print_line_cursor#0 )
|
|
[23] print_line_cursor#0 = print_line_cursor#10 + $28
|
|
[24] if(print_line_cursor#0<print_char_cursor#1) goto print_ln::@1
|
|
to:print_ln::@return
|
|
print_ln::@return: scope:[print_ln] from print_ln::@1
|
|
[25] return
|
|
to:@return
|
|
|
|
void * memset(void *str , char c , unsigned int num)
|
|
memset: scope:[memset] from print_cls
|
|
[26] phi()
|
|
to:memset::@1
|
|
memset::@1: scope:[memset] from memset memset::@2
|
|
[27] memset::dst#2 = phi( memset/(char *)memset::str#0, memset::@2/memset::dst#1 )
|
|
[28] if(memset::dst#2!=memset::end#0) goto memset::@2
|
|
to:memset::@return
|
|
memset::@return: scope:[memset] from memset::@1
|
|
[29] return
|
|
to:@return
|
|
memset::@2: scope:[memset] from memset::@1
|
|
[30] *memset::dst#2 = memset::c#0
|
|
[31] memset::dst#1 = ++ memset::dst#2
|
|
to:memset::@1
|
|
|
|
void print_char(char ch)
|
|
print_char: scope:[print_char] from print_str::@2
|
|
[32] *print_char_cursor#1 = print_char::ch#0
|
|
[33] print_char_cursor#20 = ++ print_char_cursor#1
|
|
to:print_char::@return
|
|
print_char::@return: scope:[print_char] from print_char
|
|
[34] return
|
|
to:@return
|
|
|
|
|
|
VARIABLE REGISTER WEIGHTS
|
|
void main()
|
|
char main::i
|
|
char main::i#1 // 11.0
|
|
char main::i#2 // 4.4
|
|
void * memset(void *str , char c , unsigned int num)
|
|
char memset::c
|
|
char *memset::dst
|
|
char *memset::dst#1 // 2002.0
|
|
char *memset::dst#2 // 1334.6666666666667
|
|
char *memset::end
|
|
unsigned int memset::num
|
|
void *memset::return
|
|
void *memset::str
|
|
void print_char(char ch)
|
|
char print_char::ch
|
|
char print_char::ch#0 // 110002.0
|
|
char *print_char_cursor
|
|
char *print_char_cursor#1 // 20009.545454545456
|
|
char *print_char_cursor#20 // 27500.5
|
|
char *print_char_cursor#32 // 56.0
|
|
char *print_char_cursor#37 // 22.0
|
|
void print_cls()
|
|
char *print_line_cursor
|
|
char *print_line_cursor#0 // 3753.125
|
|
char *print_line_cursor#10 // 20103.0
|
|
char *print_line_cursor#21 // 28.0
|
|
void print_ln()
|
|
char *print_screen
|
|
void print_str(char *str)
|
|
char *print_str::str
|
|
char *print_str::str#0 // 20002.0
|
|
char *print_str::str#2 // 10001.0
|
|
|
|
Initial phi equivalence classes
|
|
[ main::i#2 main::i#1 ]
|
|
[ print_str::str#2 print_str::str#0 ]
|
|
[ print_char_cursor#1 print_char_cursor#32 print_char_cursor#37 print_char_cursor#20 ]
|
|
[ print_line_cursor#10 print_line_cursor#21 print_line_cursor#0 ]
|
|
[ memset::dst#2 memset::dst#1 ]
|
|
Added variable print_char::ch#0 to live range equivalence class [ print_char::ch#0 ]
|
|
Complete equivalence classes
|
|
[ main::i#2 main::i#1 ]
|
|
[ print_str::str#2 print_str::str#0 ]
|
|
[ print_char_cursor#1 print_char_cursor#32 print_char_cursor#37 print_char_cursor#20 ]
|
|
[ print_line_cursor#10 print_line_cursor#21 print_line_cursor#0 ]
|
|
[ memset::dst#2 memset::dst#1 ]
|
|
[ print_char::ch#0 ]
|
|
Allocated zp[1]:2 [ print_char::ch#0 ]
|
|
Allocated zp[2]:3 [ print_char_cursor#1 print_char_cursor#32 print_char_cursor#37 print_char_cursor#20 ]
|
|
Allocated zp[2]:5 [ print_str::str#2 print_str::str#0 ]
|
|
Allocated zp[2]:7 [ print_line_cursor#10 print_line_cursor#21 print_line_cursor#0 ]
|
|
Allocated zp[2]:9 [ memset::dst#2 memset::dst#1 ]
|
|
Allocated zp[1]:11 [ main::i#2 main::i#1 ]
|
|
REGISTER UPLIFT POTENTIAL REGISTERS
|
|
Statement [10] print_char_cursor#37 = print_line_cursor#0 [ print_char_cursor#37 print_line_cursor#0 main::i#1 ] ( [ print_char_cursor#37 print_line_cursor#0 main::i#1 ] { } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:11 [ main::i#2 main::i#1 ]
|
|
Statement [16] if(0!=*print_str::str#2) goto print_str::@2 [ print_str::str#2 print_char_cursor#1 ] ( print_str:3 [ print_line_cursor#21 main::i#2 print_str::str#2 print_char_cursor#1 ] { } ) always clobbers reg byte a reg byte y
|
|
Removing always clobbered register reg byte y as potential for zp[1]:11 [ main::i#2 main::i#1 ]
|
|
Statement [18] print_char::ch#0 = *print_str::str#2 [ print_str::str#2 print_char_cursor#1 print_char::ch#0 ] ( print_str:3 [ print_line_cursor#21 main::i#2 print_str::str#2 print_char_cursor#1 print_char::ch#0 ] { } ) always clobbers reg byte a reg byte y
|
|
Statement [23] print_line_cursor#0 = print_line_cursor#10 + $28 [ print_line_cursor#0 print_char_cursor#1 ] ( print_ln:5 [ main::i#2 print_line_cursor#0 print_char_cursor#1 ] { } ) always clobbers reg byte a
|
|
Statement [24] if(print_line_cursor#0<print_char_cursor#1) goto print_ln::@1 [ print_line_cursor#0 print_char_cursor#1 ] ( print_ln:5 [ main::i#2 print_line_cursor#0 print_char_cursor#1 ] { } ) always clobbers reg byte a
|
|
Statement [28] if(memset::dst#2!=memset::end#0) goto memset::@2 [ memset::dst#2 ] ( print_cls:1::memset:12 [ memset::dst#2 ] { } ) always clobbers reg byte a
|
|
Statement [30] *memset::dst#2 = memset::c#0 [ memset::dst#2 ] ( print_cls:1::memset:12 [ memset::dst#2 ] { } ) always clobbers reg byte a reg byte y
|
|
Statement [32] *print_char_cursor#1 = print_char::ch#0 [ print_char_cursor#1 ] ( print_str:3::print_char:19 [ print_line_cursor#21 main::i#2 print_str::str#2 print_char_cursor#1 ] { } ) always clobbers reg byte y
|
|
Statement [10] print_char_cursor#37 = print_line_cursor#0 [ print_char_cursor#37 print_line_cursor#0 main::i#1 ] ( [ print_char_cursor#37 print_line_cursor#0 main::i#1 ] { } ) always clobbers reg byte a
|
|
Statement [16] if(0!=*print_str::str#2) goto print_str::@2 [ print_str::str#2 print_char_cursor#1 ] ( print_str:3 [ print_line_cursor#21 main::i#2 print_str::str#2 print_char_cursor#1 ] { } ) always clobbers reg byte a reg byte y
|
|
Statement [18] print_char::ch#0 = *print_str::str#2 [ print_str::str#2 print_char_cursor#1 print_char::ch#0 ] ( print_str:3 [ print_line_cursor#21 main::i#2 print_str::str#2 print_char_cursor#1 print_char::ch#0 ] { } ) always clobbers reg byte a reg byte y
|
|
Statement [23] print_line_cursor#0 = print_line_cursor#10 + $28 [ print_line_cursor#0 print_char_cursor#1 ] ( print_ln:5 [ main::i#2 print_line_cursor#0 print_char_cursor#1 ] { } ) always clobbers reg byte a
|
|
Statement [24] if(print_line_cursor#0<print_char_cursor#1) goto print_ln::@1 [ print_line_cursor#0 print_char_cursor#1 ] ( print_ln:5 [ main::i#2 print_line_cursor#0 print_char_cursor#1 ] { } ) always clobbers reg byte a
|
|
Statement [28] if(memset::dst#2!=memset::end#0) goto memset::@2 [ memset::dst#2 ] ( print_cls:1::memset:12 [ memset::dst#2 ] { } ) always clobbers reg byte a
|
|
Statement [30] *memset::dst#2 = memset::c#0 [ memset::dst#2 ] ( print_cls:1::memset:12 [ memset::dst#2 ] { } ) always clobbers reg byte a reg byte y
|
|
Statement [32] *print_char_cursor#1 = print_char::ch#0 [ print_char_cursor#1 ] ( print_str:3::print_char:19 [ print_line_cursor#21 main::i#2 print_str::str#2 print_char_cursor#1 ] { } ) always clobbers reg byte y
|
|
Potential registers zp[1]:11 [ main::i#2 main::i#1 ] : zp[1]:11 , reg byte x ,
|
|
Potential registers zp[2]:5 [ print_str::str#2 print_str::str#0 ] : zp[2]:5 ,
|
|
Potential registers zp[2]:3 [ print_char_cursor#1 print_char_cursor#32 print_char_cursor#37 print_char_cursor#20 ] : zp[2]:3 ,
|
|
Potential registers zp[2]:7 [ print_line_cursor#10 print_line_cursor#21 print_line_cursor#0 ] : zp[2]:7 ,
|
|
Potential registers zp[2]:9 [ memset::dst#2 memset::dst#1 ] : zp[2]:9 ,
|
|
Potential registers zp[1]:2 [ print_char::ch#0 ] : zp[1]:2 , reg byte a , reg byte x , reg byte y ,
|
|
|
|
REGISTER UPLIFT SCOPES
|
|
Uplift Scope [print_char] 110,002: zp[1]:2 [ print_char::ch#0 ]
|
|
Uplift Scope [] 47,588.05: zp[2]:3 [ print_char_cursor#1 print_char_cursor#32 print_char_cursor#37 print_char_cursor#20 ] 23,884.12: zp[2]:7 [ print_line_cursor#10 print_line_cursor#21 print_line_cursor#0 ]
|
|
Uplift Scope [print_str] 30,003: zp[2]:5 [ print_str::str#2 print_str::str#0 ]
|
|
Uplift Scope [memset] 3,336.67: zp[2]:9 [ memset::dst#2 memset::dst#1 ]
|
|
Uplift Scope [main] 15.4: zp[1]:11 [ main::i#2 main::i#1 ]
|
|
Uplift Scope [print_ln]
|
|
Uplift Scope [print_cls]
|
|
Uplift Scope [RADIX]
|
|
|
|
Uplifting [print_char] best 11629 combination reg byte a [ print_char::ch#0 ]
|
|
Uplifting [] best 11629 combination zp[2]:3 [ print_char_cursor#1 print_char_cursor#32 print_char_cursor#37 print_char_cursor#20 ] zp[2]:7 [ print_line_cursor#10 print_line_cursor#21 print_line_cursor#0 ]
|
|
Uplifting [print_str] best 11629 combination zp[2]:5 [ print_str::str#2 print_str::str#0 ]
|
|
Uplifting [memset] best 11629 combination zp[2]:9 [ memset::dst#2 memset::dst#1 ]
|
|
Uplifting [main] best 11539 combination reg byte x [ main::i#2 main::i#1 ]
|
|
Uplifting [print_ln] best 11539 combination
|
|
Uplifting [print_cls] best 11539 combination
|
|
Uplifting [RADIX] best 11539 combination
|
|
Coalescing zero page register [ zp[2]:9 [ memset::dst#2 memset::dst#1 ] ] with [ zp[2]:5 [ print_str::str#2 print_str::str#0 ] ]
|
|
Allocated (was zp[2]:3) zp[2]:2 [ print_char_cursor#1 print_char_cursor#32 print_char_cursor#37 print_char_cursor#20 ]
|
|
Allocated (was zp[2]:9) zp[2]:4 [ memset::dst#2 memset::dst#1 print_str::str#2 print_str::str#0 ]
|
|
Allocated (was zp[2]:7) zp[2]:6 [ print_line_cursor#10 print_line_cursor#21 print_line_cursor#0 ]
|
|
|
|
ASSEMBLER BEFORE OPTIMIZATION
|
|
// File Comments
|
|
/// @file
|
|
/// A lightweight library for printing on the C64.
|
|
///
|
|
/// Printing with this library is done by calling print_ function for each element
|
|
// Upstart
|
|
// Commodore 64 PRG executable file
|
|
.file [name="incrementinarray.prg", type="prg", segments="Program"]
|
|
.segmentdef Program [segments="Basic, Code, Data"]
|
|
.segmentdef Basic [start=$0801]
|
|
.segmentdef Code [start=$80d]
|
|
.segmentdef Data [startAfter="Code"]
|
|
.segment Basic
|
|
:BasicUpstart(main)
|
|
// Global Constants & labels
|
|
.label print_screen = $400
|
|
.label print_char_cursor = 2
|
|
.label print_line_cursor = 6
|
|
.segment Code
|
|
// main
|
|
main: {
|
|
// [1] call print_cls
|
|
// [11] phi from main to print_cls [phi:main->print_cls]
|
|
print_cls_from_main:
|
|
jsr print_cls
|
|
// [2] phi from main to main::@1 [phi:main->main::@1]
|
|
__b1_from_main:
|
|
// [2] phi main::i#2 = 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [2] phi print_line_cursor#21 = print_screen#0 [phi:main->main::@1#1] -- pbuz1=pbuc1
|
|
lda #<print_screen
|
|
sta.z print_line_cursor
|
|
lda #>print_screen
|
|
sta.z print_line_cursor+1
|
|
// [2] phi print_char_cursor#32 = print_screen#0 [phi:main->main::@1#2] -- pbuz1=pbuc1
|
|
lda #<print_screen
|
|
sta.z print_char_cursor
|
|
lda #>print_screen
|
|
sta.z print_char_cursor+1
|
|
jmp __b1
|
|
// main::@1
|
|
__b1:
|
|
// [3] call print_str
|
|
// [14] phi from main::@1 to print_str [phi:main::@1->print_str]
|
|
print_str_from___b1:
|
|
jsr print_str
|
|
// [4] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
|
|
__b2_from___b1:
|
|
jmp __b2
|
|
// main::@2
|
|
__b2:
|
|
// [5] call print_ln
|
|
// [21] phi from main::@2 to print_ln [phi:main::@2->print_ln]
|
|
print_ln_from___b2:
|
|
jsr print_ln
|
|
jmp __b3
|
|
// main::@3
|
|
__b3:
|
|
// [6] *(txt+1) = ++ *(txt+1) -- _deref_pbuc1=_inc__deref_pbuc1
|
|
inc txt+1
|
|
// [7] main::i#1 = ++ main::i#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [8] if(main::i#1!=$b) goto main::@4 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #$b
|
|
bne __b4
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [9] return
|
|
rts
|
|
// main::@4
|
|
__b4:
|
|
// [10] print_char_cursor#37 = print_line_cursor#0 -- pbuz1=pbuz2
|
|
lda.z print_line_cursor
|
|
sta.z print_char_cursor
|
|
lda.z print_line_cursor+1
|
|
sta.z print_char_cursor+1
|
|
// [2] phi from main::@4 to main::@1 [phi:main::@4->main::@1]
|
|
__b1_from___b4:
|
|
// [2] phi main::i#2 = main::i#1 [phi:main::@4->main::@1#0] -- register_copy
|
|
// [2] phi print_line_cursor#21 = print_line_cursor#0 [phi:main::@4->main::@1#1] -- register_copy
|
|
// [2] phi print_char_cursor#32 = print_char_cursor#37 [phi:main::@4->main::@1#2] -- register_copy
|
|
jmp __b1
|
|
}
|
|
// print_cls
|
|
// Clear the screen. Also resets current line/char cursor.
|
|
print_cls: {
|
|
// [12] call memset
|
|
// [26] phi from print_cls to memset [phi:print_cls->memset]
|
|
memset_from_print_cls:
|
|
jsr memset
|
|
jmp __breturn
|
|
// print_cls::@return
|
|
__breturn:
|
|
// [13] return
|
|
rts
|
|
}
|
|
// print_str
|
|
// Print a zero-terminated string
|
|
// void print_str(__zp(4) char *str)
|
|
print_str: {
|
|
.label str = 4
|
|
// [15] phi from print_str to print_str::@1 [phi:print_str->print_str::@1]
|
|
__b1_from_print_str:
|
|
// [15] phi print_char_cursor#1 = print_char_cursor#32 [phi:print_str->print_str::@1#0] -- register_copy
|
|
// [15] phi print_str::str#2 = txt [phi:print_str->print_str::@1#1] -- pbuz1=pbuc1
|
|
lda #<txt
|
|
sta.z str
|
|
lda #>txt
|
|
sta.z str+1
|
|
jmp __b1
|
|
// print_str::@1
|
|
__b1:
|
|
// [16] if(0!=*print_str::str#2) goto print_str::@2 -- 0_neq__deref_pbuz1_then_la1
|
|
ldy #0
|
|
lda (str),y
|
|
cmp #0
|
|
bne __b2
|
|
jmp __breturn
|
|
// print_str::@return
|
|
__breturn:
|
|
// [17] return
|
|
rts
|
|
// print_str::@2
|
|
__b2:
|
|
// [18] print_char::ch#0 = *print_str::str#2 -- vbuaa=_deref_pbuz1
|
|
ldy #0
|
|
lda (str),y
|
|
// [19] call print_char
|
|
jsr print_char
|
|
jmp __b3
|
|
// print_str::@3
|
|
__b3:
|
|
// [20] print_str::str#0 = ++ print_str::str#2 -- pbuz1=_inc_pbuz1
|
|
inc.z str
|
|
bne !+
|
|
inc.z str+1
|
|
!:
|
|
// [15] phi from print_str::@3 to print_str::@1 [phi:print_str::@3->print_str::@1]
|
|
__b1_from___b3:
|
|
// [15] phi print_char_cursor#1 = print_char_cursor#20 [phi:print_str::@3->print_str::@1#0] -- register_copy
|
|
// [15] phi print_str::str#2 = print_str::str#0 [phi:print_str::@3->print_str::@1#1] -- register_copy
|
|
jmp __b1
|
|
}
|
|
// print_ln
|
|
// Print a newline
|
|
print_ln: {
|
|
// [22] phi from print_ln print_ln::@1 to print_ln::@1 [phi:print_ln/print_ln::@1->print_ln::@1]
|
|
__b1_from_print_ln:
|
|
__b1_from___b1:
|
|
// [22] phi print_line_cursor#10 = print_line_cursor#21 [phi:print_ln/print_ln::@1->print_ln::@1#0] -- register_copy
|
|
jmp __b1
|
|
// print_ln::@1
|
|
__b1:
|
|
// [23] print_line_cursor#0 = print_line_cursor#10 + $28 -- pbuz1=pbuz1_plus_vbuc1
|
|
lda #$28
|
|
clc
|
|
adc.z print_line_cursor
|
|
sta.z print_line_cursor
|
|
bcc !+
|
|
inc.z print_line_cursor+1
|
|
!:
|
|
// [24] if(print_line_cursor#0<print_char_cursor#1) goto print_ln::@1 -- pbuz1_lt_pbuz2_then_la1
|
|
lda.z print_line_cursor+1
|
|
cmp.z print_char_cursor+1
|
|
bcc __b1_from___b1
|
|
bne !+
|
|
lda.z print_line_cursor
|
|
cmp.z print_char_cursor
|
|
bcc __b1_from___b1
|
|
!:
|
|
jmp __breturn
|
|
// print_ln::@return
|
|
__breturn:
|
|
// [25] return
|
|
rts
|
|
}
|
|
// memset
|
|
// Copies the character c (an unsigned char) to the first num characters of the object pointed to by the argument str.
|
|
// void * memset(void *str, char c, unsigned int num)
|
|
memset: {
|
|
.const c = ' '
|
|
.const num = $3e8
|
|
.label str = print_screen
|
|
.label end = str+num
|
|
.label dst = 4
|
|
// [27] phi from memset to memset::@1 [phi:memset->memset::@1]
|
|
__b1_from_memset:
|
|
// [27] phi memset::dst#2 = (char *)memset::str#0 [phi:memset->memset::@1#0] -- pbuz1=pbuc1
|
|
lda #<str
|
|
sta.z dst
|
|
lda #>str
|
|
sta.z dst+1
|
|
jmp __b1
|
|
// memset::@1
|
|
__b1:
|
|
// [28] if(memset::dst#2!=memset::end#0) goto memset::@2 -- pbuz1_neq_pbuc1_then_la1
|
|
lda.z dst+1
|
|
cmp #>end
|
|
bne __b2
|
|
lda.z dst
|
|
cmp #<end
|
|
bne __b2
|
|
jmp __breturn
|
|
// memset::@return
|
|
__breturn:
|
|
// [29] return
|
|
rts
|
|
// memset::@2
|
|
__b2:
|
|
// [30] *memset::dst#2 = memset::c#0 -- _deref_pbuz1=vbuc1
|
|
lda #c
|
|
ldy #0
|
|
sta (dst),y
|
|
// [31] memset::dst#1 = ++ memset::dst#2 -- pbuz1=_inc_pbuz1
|
|
inc.z dst
|
|
bne !+
|
|
inc.z dst+1
|
|
!:
|
|
// [27] phi from memset::@2 to memset::@1 [phi:memset::@2->memset::@1]
|
|
__b1_from___b2:
|
|
// [27] phi memset::dst#2 = memset::dst#1 [phi:memset::@2->memset::@1#0] -- register_copy
|
|
jmp __b1
|
|
}
|
|
// print_char
|
|
// Print a single char
|
|
// void print_char(__register(A) char ch)
|
|
print_char: {
|
|
// [32] *print_char_cursor#1 = print_char::ch#0 -- _deref_pbuz1=vbuaa
|
|
ldy #0
|
|
sta (print_char_cursor),y
|
|
// [33] print_char_cursor#20 = ++ print_char_cursor#1 -- pbuz1=_inc_pbuz1
|
|
inc.z print_char_cursor
|
|
bne !+
|
|
inc.z print_char_cursor+1
|
|
!:
|
|
jmp __breturn
|
|
// print_char::@return
|
|
__breturn:
|
|
// [34] return
|
|
rts
|
|
}
|
|
// File Data
|
|
.segment Data
|
|
txt: .text "camelot"
|
|
.byte 0
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __b3
|
|
Removing instruction jmp __breturn
|
|
Removing instruction jmp __breturn
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __breturn
|
|
Removing instruction jmp __b3
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __breturn
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __breturn
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Replacing label __b1_from___b1 with __b1
|
|
Replacing label __b1_from___b1 with __b1
|
|
Removing instruction print_str_from___b1:
|
|
Removing instruction __b2_from___b1:
|
|
Removing instruction print_ln_from___b2:
|
|
Removing instruction __b1_from_print_ln:
|
|
Removing instruction __b1_from___b1:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction print_cls_from_main:
|
|
Removing instruction __b1_from_main:
|
|
Removing instruction __b2:
|
|
Removing instruction __b3:
|
|
Removing instruction __breturn:
|
|
Removing instruction __b1_from___b4:
|
|
Removing instruction memset_from_print_cls:
|
|
Removing instruction __breturn:
|
|
Removing instruction __b1_from_print_str:
|
|
Removing instruction __breturn:
|
|
Removing instruction __b3:
|
|
Removing instruction __b1_from___b3:
|
|
Removing instruction __breturn:
|
|
Removing instruction __b1_from_memset:
|
|
Removing instruction __breturn:
|
|
Removing instruction __b1_from___b2:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
__constant char RADIX::BINARY = 2
|
|
__constant char RADIX::DECIMAL = $a
|
|
__constant char RADIX::HEXADECIMAL = $10
|
|
__constant char RADIX::OCTAL = 8
|
|
void main()
|
|
char main::i
|
|
char main::i#1 // reg byte x 11.0
|
|
char main::i#2 // reg byte x 4.4
|
|
void * memset(void *str , char c , unsigned int num)
|
|
char memset::c
|
|
__constant char memset::c#0 = ' ' // c
|
|
char *memset::dst
|
|
char *memset::dst#1 // dst zp[2]:4 2002.0
|
|
char *memset::dst#2 // dst zp[2]:4 1334.6666666666667
|
|
char *memset::end
|
|
__constant char *memset::end#0 = (char *)memset::str#0+memset::num#0 // end
|
|
unsigned int memset::num
|
|
__constant unsigned int memset::num#0 = $3e8 // num
|
|
void *memset::return
|
|
void *memset::str
|
|
__constant void *memset::str#0 = (void *)print_screen#0 // str
|
|
void print_char(char ch)
|
|
char print_char::ch
|
|
char print_char::ch#0 // reg byte a 110002.0
|
|
char *print_char_cursor
|
|
char *print_char_cursor#1 // print_char_cursor zp[2]:2 20009.545454545456
|
|
char *print_char_cursor#20 // print_char_cursor zp[2]:2 27500.5
|
|
char *print_char_cursor#32 // print_char_cursor zp[2]:2 56.0
|
|
char *print_char_cursor#37 // print_char_cursor zp[2]:2 22.0
|
|
void print_cls()
|
|
char *print_line_cursor
|
|
char *print_line_cursor#0 // print_line_cursor zp[2]:6 3753.125
|
|
char *print_line_cursor#10 // print_line_cursor zp[2]:6 20103.0
|
|
char *print_line_cursor#21 // print_line_cursor zp[2]:6 28.0
|
|
void print_ln()
|
|
char *print_screen
|
|
__constant char *print_screen#0 = (char *) 1024 // print_screen
|
|
void print_str(char *str)
|
|
char *print_str::str
|
|
char *print_str::str#0 // str zp[2]:4 20002.0
|
|
char *print_str::str#2 // str zp[2]:4 10001.0
|
|
__constant char txt[] = "camelot"
|
|
|
|
reg byte x [ main::i#2 main::i#1 ]
|
|
zp[2]:2 [ print_char_cursor#1 print_char_cursor#32 print_char_cursor#37 print_char_cursor#20 ]
|
|
zp[2]:6 [ print_line_cursor#10 print_line_cursor#21 print_line_cursor#0 ]
|
|
zp[2]:4 [ memset::dst#2 memset::dst#1 print_str::str#2 print_str::str#0 ]
|
|
reg byte a [ print_char::ch#0 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 9880
|
|
|
|
// File Comments
|
|
/// @file
|
|
/// A lightweight library for printing on the C64.
|
|
///
|
|
/// Printing with this library is done by calling print_ function for each element
|
|
// Upstart
|
|
// Commodore 64 PRG executable file
|
|
.file [name="incrementinarray.prg", type="prg", segments="Program"]
|
|
.segmentdef Program [segments="Basic, Code, Data"]
|
|
.segmentdef Basic [start=$0801]
|
|
.segmentdef Code [start=$80d]
|
|
.segmentdef Data [startAfter="Code"]
|
|
.segment Basic
|
|
:BasicUpstart(main)
|
|
// Global Constants & labels
|
|
.label print_screen = $400
|
|
.label print_char_cursor = 2
|
|
.label print_line_cursor = 6
|
|
.segment Code
|
|
// main
|
|
main: {
|
|
// print_cls()
|
|
// [1] call print_cls
|
|
// [11] phi from main to print_cls [phi:main->print_cls]
|
|
jsr print_cls
|
|
// [2] phi from main to main::@1 [phi:main->main::@1]
|
|
// [2] phi main::i#2 = 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [2] phi print_line_cursor#21 = print_screen#0 [phi:main->main::@1#1] -- pbuz1=pbuc1
|
|
lda #<print_screen
|
|
sta.z print_line_cursor
|
|
lda #>print_screen
|
|
sta.z print_line_cursor+1
|
|
// [2] phi print_char_cursor#32 = print_screen#0 [phi:main->main::@1#2] -- pbuz1=pbuc1
|
|
lda #<print_screen
|
|
sta.z print_char_cursor
|
|
lda #>print_screen
|
|
sta.z print_char_cursor+1
|
|
// main::@1
|
|
__b1:
|
|
// print_str(txt)
|
|
// [3] call print_str
|
|
// [14] phi from main::@1 to print_str [phi:main::@1->print_str]
|
|
jsr print_str
|
|
// [4] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
|
|
// main::@2
|
|
// print_ln()
|
|
// [5] call print_ln
|
|
// [21] phi from main::@2 to print_ln [phi:main::@2->print_ln]
|
|
jsr print_ln
|
|
// main::@3
|
|
// txt[1]++;
|
|
// [6] *(txt+1) = ++ *(txt+1) -- _deref_pbuc1=_inc__deref_pbuc1
|
|
inc txt+1
|
|
// for ( byte i: 0..10)
|
|
// [7] main::i#1 = ++ main::i#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [8] if(main::i#1!=$b) goto main::@4 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #$b
|
|
bne __b4
|
|
// main::@return
|
|
// }
|
|
// [9] return
|
|
rts
|
|
// main::@4
|
|
__b4:
|
|
// [10] print_char_cursor#37 = print_line_cursor#0 -- pbuz1=pbuz2
|
|
lda.z print_line_cursor
|
|
sta.z print_char_cursor
|
|
lda.z print_line_cursor+1
|
|
sta.z print_char_cursor+1
|
|
// [2] phi from main::@4 to main::@1 [phi:main::@4->main::@1]
|
|
// [2] phi main::i#2 = main::i#1 [phi:main::@4->main::@1#0] -- register_copy
|
|
// [2] phi print_line_cursor#21 = print_line_cursor#0 [phi:main::@4->main::@1#1] -- register_copy
|
|
// [2] phi print_char_cursor#32 = print_char_cursor#37 [phi:main::@4->main::@1#2] -- register_copy
|
|
jmp __b1
|
|
}
|
|
// print_cls
|
|
// Clear the screen. Also resets current line/char cursor.
|
|
print_cls: {
|
|
// memset(print_screen, ' ', 1000)
|
|
// [12] call memset
|
|
// [26] phi from print_cls to memset [phi:print_cls->memset]
|
|
jsr memset
|
|
// print_cls::@return
|
|
// }
|
|
// [13] return
|
|
rts
|
|
}
|
|
// print_str
|
|
// Print a zero-terminated string
|
|
// void print_str(__zp(4) char *str)
|
|
print_str: {
|
|
.label str = 4
|
|
// [15] phi from print_str to print_str::@1 [phi:print_str->print_str::@1]
|
|
// [15] phi print_char_cursor#1 = print_char_cursor#32 [phi:print_str->print_str::@1#0] -- register_copy
|
|
// [15] phi print_str::str#2 = txt [phi:print_str->print_str::@1#1] -- pbuz1=pbuc1
|
|
lda #<txt
|
|
sta.z str
|
|
lda #>txt
|
|
sta.z str+1
|
|
// print_str::@1
|
|
__b1:
|
|
// while(*str)
|
|
// [16] if(0!=*print_str::str#2) goto print_str::@2 -- 0_neq__deref_pbuz1_then_la1
|
|
ldy #0
|
|
lda (str),y
|
|
cmp #0
|
|
bne __b2
|
|
// print_str::@return
|
|
// }
|
|
// [17] return
|
|
rts
|
|
// print_str::@2
|
|
__b2:
|
|
// print_char(*(str++))
|
|
// [18] print_char::ch#0 = *print_str::str#2 -- vbuaa=_deref_pbuz1
|
|
ldy #0
|
|
lda (str),y
|
|
// [19] call print_char
|
|
jsr print_char
|
|
// print_str::@3
|
|
// print_char(*(str++));
|
|
// [20] print_str::str#0 = ++ print_str::str#2 -- pbuz1=_inc_pbuz1
|
|
inc.z str
|
|
bne !+
|
|
inc.z str+1
|
|
!:
|
|
// [15] phi from print_str::@3 to print_str::@1 [phi:print_str::@3->print_str::@1]
|
|
// [15] phi print_char_cursor#1 = print_char_cursor#20 [phi:print_str::@3->print_str::@1#0] -- register_copy
|
|
// [15] phi print_str::str#2 = print_str::str#0 [phi:print_str::@3->print_str::@1#1] -- register_copy
|
|
jmp __b1
|
|
}
|
|
// print_ln
|
|
// Print a newline
|
|
print_ln: {
|
|
// [22] phi from print_ln print_ln::@1 to print_ln::@1 [phi:print_ln/print_ln::@1->print_ln::@1]
|
|
// [22] phi print_line_cursor#10 = print_line_cursor#21 [phi:print_ln/print_ln::@1->print_ln::@1#0] -- register_copy
|
|
// print_ln::@1
|
|
__b1:
|
|
// print_line_cursor + 0x28
|
|
// [23] print_line_cursor#0 = print_line_cursor#10 + $28 -- pbuz1=pbuz1_plus_vbuc1
|
|
lda #$28
|
|
clc
|
|
adc.z print_line_cursor
|
|
sta.z print_line_cursor
|
|
bcc !+
|
|
inc.z print_line_cursor+1
|
|
!:
|
|
// while (print_line_cursor<print_char_cursor)
|
|
// [24] if(print_line_cursor#0<print_char_cursor#1) goto print_ln::@1 -- pbuz1_lt_pbuz2_then_la1
|
|
lda.z print_line_cursor+1
|
|
cmp.z print_char_cursor+1
|
|
bcc __b1
|
|
bne !+
|
|
lda.z print_line_cursor
|
|
cmp.z print_char_cursor
|
|
bcc __b1
|
|
!:
|
|
// print_ln::@return
|
|
// }
|
|
// [25] return
|
|
rts
|
|
}
|
|
// memset
|
|
// Copies the character c (an unsigned char) to the first num characters of the object pointed to by the argument str.
|
|
// void * memset(void *str, char c, unsigned int num)
|
|
memset: {
|
|
.const c = ' '
|
|
.const num = $3e8
|
|
.label str = print_screen
|
|
.label end = str+num
|
|
.label dst = 4
|
|
// [27] phi from memset to memset::@1 [phi:memset->memset::@1]
|
|
// [27] phi memset::dst#2 = (char *)memset::str#0 [phi:memset->memset::@1#0] -- pbuz1=pbuc1
|
|
lda #<str
|
|
sta.z dst
|
|
lda #>str
|
|
sta.z dst+1
|
|
// memset::@1
|
|
__b1:
|
|
// for(char* dst = str; dst!=end; dst++)
|
|
// [28] if(memset::dst#2!=memset::end#0) goto memset::@2 -- pbuz1_neq_pbuc1_then_la1
|
|
lda.z dst+1
|
|
cmp #>end
|
|
bne __b2
|
|
lda.z dst
|
|
cmp #<end
|
|
bne __b2
|
|
// memset::@return
|
|
// }
|
|
// [29] return
|
|
rts
|
|
// memset::@2
|
|
__b2:
|
|
// *dst = c
|
|
// [30] *memset::dst#2 = memset::c#0 -- _deref_pbuz1=vbuc1
|
|
lda #c
|
|
ldy #0
|
|
sta (dst),y
|
|
// for(char* dst = str; dst!=end; dst++)
|
|
// [31] memset::dst#1 = ++ memset::dst#2 -- pbuz1=_inc_pbuz1
|
|
inc.z dst
|
|
bne !+
|
|
inc.z dst+1
|
|
!:
|
|
// [27] phi from memset::@2 to memset::@1 [phi:memset::@2->memset::@1]
|
|
// [27] phi memset::dst#2 = memset::dst#1 [phi:memset::@2->memset::@1#0] -- register_copy
|
|
jmp __b1
|
|
}
|
|
// print_char
|
|
// Print a single char
|
|
// void print_char(__register(A) char ch)
|
|
print_char: {
|
|
// *(print_char_cursor++) = ch
|
|
// [32] *print_char_cursor#1 = print_char::ch#0 -- _deref_pbuz1=vbuaa
|
|
ldy #0
|
|
sta (print_char_cursor),y
|
|
// *(print_char_cursor++) = ch;
|
|
// [33] print_char_cursor#20 = ++ print_char_cursor#1 -- pbuz1=_inc_pbuz1
|
|
inc.z print_char_cursor
|
|
bne !+
|
|
inc.z print_char_cursor+1
|
|
!:
|
|
// print_char::@return
|
|
// }
|
|
// [34] return
|
|
rts
|
|
}
|
|
// File Data
|
|
.segment Data
|
|
txt: .text "camelot"
|
|
.byte 0
|
|
|