mirror of https://gitlab.com/camelot/kickc.git
1790 lines
75 KiB
Plaintext
1790 lines
75 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 main::@4
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print_char_cursor#48 = phi( main::@1/print_char_cursor#11, main::@4/print_char_cursor#14 )
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print_str::str#6 = phi( main::@1/print_str::str#1, main::@4/print_str::str#2 )
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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#43 = phi( print_str/print_char_cursor#48, print_str::@3/print_char_cursor#0 )
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print_str::str#3 = phi( print_str/print_str::str#6, print_str::@3/print_str::str#0 )
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print_str::$1 = 0 != *print_str::str#3
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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#42 = phi( print_str::@1/print_char_cursor#43 )
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print_str::str#4 = phi( print_str::@1/print_str::str#3 )
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print_char::ch#0 = *print_str::str#4
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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#5 = phi( print_str::@2/print_str::str#4 )
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print_char_cursor#22 = phi( print_str::@2/print_char_cursor#8 )
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print_char_cursor#0 = print_char_cursor#22
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print_str::str#0 = ++ print_str::str#5
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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#23 = phi( print_str::@1/print_char_cursor#43 )
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print_char_cursor#1 = print_char_cursor#23
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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 main::@6
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print_char_cursor#44 = phi( main::@3/print_char_cursor#13, main::@6/print_char_cursor#16 )
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print_line_cursor#21 = phi( main::@3/print_line_cursor#23, main::@6/print_line_cursor#24 )
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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#24 = phi( print_ln/print_char_cursor#44, print_ln::@1/print_char_cursor#24 )
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print_line_cursor#11 = phi( print_ln/print_line_cursor#21, print_ln::@1/print_line_cursor#0 )
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print_ln::$0 = print_line_cursor#11 + $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#24
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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#12 = phi( print_ln::@1/print_line_cursor#0 )
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print_char_cursor#2 = print_line_cursor#12
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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#25 = phi( print_ln::@2/print_char_cursor#2 )
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print_line_cursor#13 = phi( print_ln::@2/print_line_cursor#12 )
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print_line_cursor#1 = print_line_cursor#13
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print_char_cursor#3 = print_char_cursor#25
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return
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to:@return
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void print_uchar(char b)
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print_uchar: scope:[print_uchar] from main::@2 main::@5
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print_char_cursor#45 = phi( main::@2/print_char_cursor#12, main::@5/print_char_cursor#15 )
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print_uchar::b#2 = phi( main::@2/print_uchar::b#0, main::@5/print_uchar::b#1 )
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print_uchar::$0 = print_uchar::b#2 >> 4
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print_char::ch#1 = print_hextab[print_uchar::$0]
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call print_char
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to:print_uchar::@1
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print_uchar::@1: scope:[print_uchar] from print_uchar
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print_uchar::b#3 = phi( print_uchar/print_uchar::b#2 )
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print_char_cursor#26 = phi( print_uchar/print_char_cursor#8 )
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print_char_cursor#4 = print_char_cursor#26
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print_uchar::$2 = print_uchar::b#3 & $f
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print_char::ch#2 = print_hextab[print_uchar::$2]
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call print_char
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to:print_uchar::@2
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print_uchar::@2: scope:[print_uchar] from print_uchar::@1
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print_char_cursor#27 = phi( print_uchar::@1/print_char_cursor#8 )
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print_char_cursor#5 = print_char_cursor#27
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to:print_uchar::@return
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print_uchar::@return: scope:[print_uchar] from print_uchar::@2
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print_char_cursor#28 = phi( print_uchar::@2/print_char_cursor#5 )
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print_char_cursor#6 = print_char_cursor#28
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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 print_uchar print_uchar::@1
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print_char_cursor#29 = phi( print_str::@2/print_char_cursor#42, print_uchar/print_char_cursor#45, print_uchar::@1/print_char_cursor#4 )
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print_char::ch#3 = phi( print_str::@2/print_char::ch#0, print_uchar/print_char::ch#1, print_uchar::@1/print_char::ch#2 )
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*print_char_cursor#29 = print_char::ch#3
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print_char_cursor#7 = ++ print_char_cursor#29
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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#30 = phi( print_char/print_char_cursor#7 )
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print_char_cursor#8 = print_char_cursor#30
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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#9 = 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#31 = phi( print_cls::@1/print_char_cursor#9 )
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print_line_cursor#14 = phi( print_cls::@1/print_line_cursor#2 )
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print_line_cursor#3 = print_line_cursor#14
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print_char_cursor#10 = print_char_cursor#31
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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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int main()
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main: scope:[main] from __start::@1
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print_char_cursor#46 = phi( __start::@1/print_char_cursor#47 )
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print_line_cursor#22 = phi( __start::@1/print_line_cursor#25 )
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print_screen#5 = phi( __start::@1/print_screen#7 )
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file#0 = files
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main::$10 = (char **)file#0
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main::$7 = main::$10 + OFFSET_STRUCT_FILEENTRY_BUFEDIT
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*main::$7 = (char *)$4000
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main::$11 = (char **)file#0
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main::$8 = main::$11 + OFFSET_STRUCT_FILEENTRY_BUFEDIT
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(*main::$8)[3] = $aa
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main::$12 = (char **)file#0
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main::$9 = main::$12 + OFFSET_STRUCT_FILEENTRY_BUFEDIT
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main::$13 = (char *)*main::$9
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main::$13[4] = $cc
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call print_cls
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to:main::@1
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main::@1: scope:[main] from main
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file#15 = phi( main/file#0 )
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print_char_cursor#32 = phi( main/print_char_cursor#10 )
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print_line_cursor#15 = phi( main/print_line_cursor#3 )
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print_line_cursor#4 = print_line_cursor#15
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print_char_cursor#11 = print_char_cursor#32
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print_str::str#1 = main::str
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call print_str
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to:main::@2
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main::@2: scope:[main] from main::@1
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file#14 = phi( main::@1/file#15 )
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print_line_cursor#26 = phi( main::@1/print_line_cursor#4 )
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print_char_cursor#33 = phi( main::@1/print_char_cursor#1 )
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print_char_cursor#12 = print_char_cursor#33
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print_uchar::b#0 = *((char *)0)
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call print_uchar
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to:main::@3
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main::@3: scope:[main] from main::@2
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file#13 = phi( main::@2/file#14 )
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print_line_cursor#23 = phi( main::@2/print_line_cursor#26 )
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print_char_cursor#34 = phi( main::@2/print_char_cursor#6 )
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print_char_cursor#13 = print_char_cursor#34
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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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file#12 = phi( main::@3/file#13 )
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print_char_cursor#35 = phi( main::@3/print_char_cursor#3 )
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print_line_cursor#16 = phi( main::@3/print_line_cursor#1 )
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print_line_cursor#5 = print_line_cursor#16
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print_char_cursor#14 = print_char_cursor#35
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print_str::str#2 = main::str1
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call print_str
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to:main::@5
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main::@5: scope:[main] from main::@4
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file#11 = phi( main::@4/file#12 )
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print_line_cursor#27 = phi( main::@4/print_line_cursor#5 )
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print_char_cursor#36 = phi( main::@4/print_char_cursor#1 )
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print_char_cursor#15 = print_char_cursor#36
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print_uchar::b#1 = *((char *)$4004)
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call print_uchar
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to:main::@6
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main::@6: scope:[main] from main::@5
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file#10 = phi( main::@5/file#11 )
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print_line_cursor#24 = phi( main::@5/print_line_cursor#27 )
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print_char_cursor#37 = phi( main::@5/print_char_cursor#6 )
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print_char_cursor#16 = print_char_cursor#37
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call print_ln
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to:main::@7
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main::@7: scope:[main] from main::@6
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file#8 = phi( main::@6/file#10 )
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print_char_cursor#38 = phi( main::@6/print_char_cursor#3 )
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print_line_cursor#17 = phi( main::@6/print_line_cursor#1 )
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print_line_cursor#6 = print_line_cursor#17
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print_char_cursor#17 = print_char_cursor#38
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main::return#0 = 0
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to:main::@return
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main::@return: scope:[main] from main::@7
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print_char_cursor#39 = phi( main::@7/print_char_cursor#17 )
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print_line_cursor#18 = phi( main::@7/print_line_cursor#6 )
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file#5 = phi( main::@7/file#8 )
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main::return#3 = phi( main::@7/main::return#0 )
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main::return#1 = main::return#3
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file#1 = file#5
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print_line_cursor#7 = print_line_cursor#18
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print_char_cursor#18 = print_char_cursor#39
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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#8 = print_screen#0
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print_char_cursor#19 = print_line_cursor#8
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file#2 = (struct fileentry *) 0
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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#47 = phi( __start::__init1/print_char_cursor#19 )
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print_line_cursor#25 = phi( __start::__init1/print_line_cursor#8 )
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file#9 = phi( __start::__init1/file#2 )
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call main
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main::return#2 = main::return#1
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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#40 = phi( __start::@1/print_char_cursor#18 )
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print_line_cursor#19 = phi( __start::@1/print_line_cursor#7 )
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file#6 = phi( __start::@1/file#1 )
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file#3 = file#6
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print_line_cursor#9 = print_line_cursor#19
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print_char_cursor#20 = print_char_cursor#40
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to:__start::@return
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__start::@return: scope:[__start] from __start::@2
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file#7 = phi( __start::@2/file#3 )
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print_char_cursor#41 = phi( __start::@2/print_char_cursor#20 )
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print_line_cursor#20 = phi( __start::@2/print_line_cursor#9 )
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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#10 = print_line_cursor#20
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print_char_cursor#21 = print_char_cursor#41
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file#4 = file#7
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return
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to:@return
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SYMBOL TABLE SSA
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__constant char OFFSET_STRUCT_FILEENTRY_BUFEDIT = 0
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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 = $10
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__constant char RADIX::OCTAL = 8
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void __start()
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struct fileentry *file
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struct fileentry *file#0
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struct fileentry *file#1
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struct fileentry *file#10
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struct fileentry *file#11
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struct fileentry *file#12
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struct fileentry *file#13
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struct fileentry *file#14
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struct fileentry *file#15
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struct fileentry *file#2
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struct fileentry *file#3
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struct fileentry *file#4
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struct fileentry *file#5
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struct fileentry *file#6
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struct fileentry *file#7
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struct fileentry *file#8
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struct fileentry *file#9
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__constant struct fileentry files[$a] = { fill( $a, 0) }
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int main()
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char **main::$10
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char **main::$11
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char **main::$12
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char *main::$13
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char **main::$7
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char **main::$8
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char **main::$9
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int main::return
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int main::return#0
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int main::return#1
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int main::return#2
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int main::return#3
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__constant char main::str[7] = "$0000="
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__constant char main::str1[7] = "$4004="
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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::ch#2
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char print_char::ch#3
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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
|
|
char *print_char_cursor#17
|
|
char *print_char_cursor#18
|
|
char *print_char_cursor#19
|
|
char *print_char_cursor#2
|
|
char *print_char_cursor#20
|
|
char *print_char_cursor#21
|
|
char *print_char_cursor#22
|
|
char *print_char_cursor#23
|
|
char *print_char_cursor#24
|
|
char *print_char_cursor#25
|
|
char *print_char_cursor#26
|
|
char *print_char_cursor#27
|
|
char *print_char_cursor#28
|
|
char *print_char_cursor#29
|
|
char *print_char_cursor#3
|
|
char *print_char_cursor#30
|
|
char *print_char_cursor#31
|
|
char *print_char_cursor#32
|
|
char *print_char_cursor#33
|
|
char *print_char_cursor#34
|
|
char *print_char_cursor#35
|
|
char *print_char_cursor#36
|
|
char *print_char_cursor#37
|
|
char *print_char_cursor#38
|
|
char *print_char_cursor#39
|
|
char *print_char_cursor#4
|
|
char *print_char_cursor#40
|
|
char *print_char_cursor#41
|
|
char *print_char_cursor#42
|
|
char *print_char_cursor#43
|
|
char *print_char_cursor#44
|
|
char *print_char_cursor#45
|
|
char *print_char_cursor#46
|
|
char *print_char_cursor#47
|
|
char *print_char_cursor#48
|
|
char *print_char_cursor#5
|
|
char *print_char_cursor#6
|
|
char *print_char_cursor#7
|
|
char *print_char_cursor#8
|
|
char *print_char_cursor#9
|
|
void print_cls()
|
|
__constant const char print_hextab[] = "0123456789abcdef"z
|
|
char *print_line_cursor
|
|
char *print_line_cursor#0
|
|
char *print_line_cursor#1
|
|
char *print_line_cursor#10
|
|
char *print_line_cursor#11
|
|
char *print_line_cursor#12
|
|
char *print_line_cursor#13
|
|
char *print_line_cursor#14
|
|
char *print_line_cursor#15
|
|
char *print_line_cursor#16
|
|
char *print_line_cursor#17
|
|
char *print_line_cursor#18
|
|
char *print_line_cursor#19
|
|
char *print_line_cursor#2
|
|
char *print_line_cursor#20
|
|
char *print_line_cursor#21
|
|
char *print_line_cursor#22
|
|
char *print_line_cursor#23
|
|
char *print_line_cursor#24
|
|
char *print_line_cursor#25
|
|
char *print_line_cursor#26
|
|
char *print_line_cursor#27
|
|
char *print_line_cursor#3
|
|
char *print_line_cursor#4
|
|
char *print_line_cursor#5
|
|
char *print_line_cursor#6
|
|
char *print_line_cursor#7
|
|
char *print_line_cursor#8
|
|
char *print_line_cursor#9
|
|
void print_ln()
|
|
char *print_ln::$0
|
|
bool print_ln::$1
|
|
char *print_screen
|
|
char *print_screen#0
|
|
char *print_screen#1
|
|
char *print_screen#2
|
|
char *print_screen#3
|
|
char *print_screen#4
|
|
char *print_screen#5
|
|
char *print_screen#6
|
|
char *print_screen#7
|
|
void print_str(char *str)
|
|
bool print_str::$1
|
|
char *print_str::str
|
|
char *print_str::str#0
|
|
char *print_str::str#1
|
|
char *print_str::str#2
|
|
char *print_str::str#3
|
|
char *print_str::str#4
|
|
char *print_str::str#5
|
|
char *print_str::str#6
|
|
void print_uchar(char b)
|
|
char print_uchar::$0
|
|
number print_uchar::$2
|
|
char print_uchar::b
|
|
char print_uchar::b#0
|
|
char print_uchar::b#1
|
|
char print_uchar::b#2
|
|
char print_uchar::b#3
|
|
|
|
Adding number conversion cast (unumber) 0 in print_str::$1 = 0 != *print_str::str#3
|
|
Adding number conversion cast (unumber) $28 in print_ln::$0 = print_line_cursor#11 + $28
|
|
Adding number conversion cast (unumber) 4 in print_uchar::$0 = print_uchar::b#2 >> 4
|
|
Adding number conversion cast (unumber) $f in print_uchar::$2 = print_uchar::b#3 & $f
|
|
Adding number conversion cast (unumber) print_uchar::$2 in print_uchar::$2 = print_uchar::b#3 & (unumber)$f
|
|
Adding number conversion cast (unumber) $3e8 in memset::num#0 = $3e8
|
|
Adding number conversion cast (unumber) 0 in memset::$0 = memset::num#1 > 0
|
|
Adding number conversion cast (unumber) $aa in (*main::$8)[3] = $aa
|
|
Adding number conversion cast (unumber) 3 in (*main::$8)[3] = ((unumber)) $aa
|
|
Adding number conversion cast (unumber) $cc in main::$13[4] = $cc
|
|
Adding number conversion cast (unumber) 4 in main::$13[4] = ((unumber)) $cc
|
|
Adding number conversion cast (snumber) 0 in main::return#0 = 0
|
|
Successful SSA optimization PassNAddNumberTypeConversions
|
|
Inlining cast memset::num#0 = (unumber)$3e8
|
|
Inlining cast memset::dst#0 = (char *)memset::str#2
|
|
Inlining cast (*main::$8)[(unumber)3] = (unumber)$aa
|
|
Inlining cast main::$13[(unumber)4] = (unumber)$cc
|
|
Inlining cast main::return#0 = (snumber)0
|
|
Successful SSA optimization Pass2InlineCast
|
|
Simplifying constant integer cast 0
|
|
Simplifying constant integer cast $28
|
|
Simplifying constant integer cast 4
|
|
Simplifying constant integer cast $f
|
|
Simplifying constant integer cast $3e8
|
|
Simplifying constant integer cast 0
|
|
Simplifying constant pointer cast (char *) 16384
|
|
Simplifying constant integer cast $aa
|
|
Simplifying constant integer cast 3
|
|
Simplifying constant integer cast *main::$9
|
|
Simplifying constant integer cast $cc
|
|
Simplifying constant integer cast 4
|
|
Simplifying constant pointer cast (char *) 0
|
|
Simplifying constant pointer cast (char *) 16388
|
|
Simplifying constant integer cast 0
|
|
Simplifying constant pointer cast (char *) 1024
|
|
Successful SSA optimization PassNCastSimplification
|
|
Finalized unsigned number type (char) 0
|
|
Finalized unsigned number type (char) $28
|
|
Finalized unsigned number type (char) 4
|
|
Finalized unsigned number type (char) $f
|
|
Finalized unsigned number type (unsigned int) $3e8
|
|
Finalized unsigned number type (char) 0
|
|
Finalized unsigned number type (char) $aa
|
|
Finalized unsigned number type (char) 3
|
|
Finalized unsigned number type (char) $cc
|
|
Finalized unsigned number type (char) 4
|
|
Finalized signed number type (signed char) 0
|
|
Successful SSA optimization PassNFinalizeNumberTypeConversions
|
|
Inferred type updated to char in print_uchar::$2 = print_uchar::b#3 & $f
|
|
Inversing boolean not [60] memset::$1 = memset::num#1 <= 0 from [59] memset::$0 = memset::num#1 > 0
|
|
Successful SSA optimization Pass2UnaryNotSimplification
|
|
Alias print_str::str#3 = print_str::str#4 print_str::str#5
|
|
Alias print_char_cursor#1 = print_char_cursor#42 print_char_cursor#43 print_char_cursor#23
|
|
Alias print_char_cursor#0 = print_char_cursor#22
|
|
Alias print_line_cursor#0 = print_ln::$0 print_line_cursor#12 print_char_cursor#2 print_line_cursor#13 print_char_cursor#25 print_line_cursor#1 print_char_cursor#3
|
|
Alias print_uchar::b#2 = print_uchar::b#3
|
|
Alias print_char_cursor#26 = print_char_cursor#4
|
|
Alias print_char_cursor#27 = print_char_cursor#5 print_char_cursor#28 print_char_cursor#6
|
|
Alias print_char_cursor#30 = print_char_cursor#7 print_char_cursor#8
|
|
Alias print_line_cursor#14 = print_screen#3 print_screen#2 print_line_cursor#2 print_char_cursor#9 print_char_cursor#31 print_line_cursor#3 print_char_cursor#10
|
|
Alias memset::return#1 = memset::str#1 memset::return#3 memset::return#2
|
|
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 file#0 = file#15 file#14 file#13 file#12 file#11 file#10 file#8 file#5 file#1
|
|
Alias print_line_cursor#15 = print_line_cursor#4 print_line_cursor#26 print_line_cursor#23
|
|
Alias print_char_cursor#11 = print_char_cursor#32
|
|
Alias print_char_cursor#12 = print_char_cursor#33
|
|
Alias print_char_cursor#13 = print_char_cursor#34
|
|
Alias print_line_cursor#16 = print_line_cursor#5 print_line_cursor#27 print_line_cursor#24
|
|
Alias print_char_cursor#14 = print_char_cursor#35
|
|
Alias print_char_cursor#15 = print_char_cursor#36
|
|
Alias print_char_cursor#16 = print_char_cursor#37
|
|
Alias print_line_cursor#17 = print_line_cursor#6 print_line_cursor#18 print_line_cursor#7
|
|
Alias print_char_cursor#17 = print_char_cursor#38 print_char_cursor#39 print_char_cursor#18
|
|
Alias main::return#0 = main::return#3 main::return#1
|
|
Alias print_screen#0 = print_line_cursor#8 print_char_cursor#19 print_line_cursor#25 print_char_cursor#47 print_screen#7 print_screen#6 print_screen#4 print_screen#1
|
|
Alias file#2 = file#9
|
|
Alias file#3 = file#6 file#7 file#4
|
|
Alias print_line_cursor#10 = print_line_cursor#9 print_line_cursor#19 print_line_cursor#20
|
|
Alias print_char_cursor#20 = print_char_cursor#40 print_char_cursor#41 print_char_cursor#21
|
|
Successful SSA optimization Pass2AliasElimination
|
|
Identical Phi Values print_char_cursor#0 print_char_cursor#30
|
|
Identical Phi Values print_char_cursor#24 print_char_cursor#44
|
|
Identical Phi Values print_char_cursor#26 print_char_cursor#30
|
|
Identical Phi Values print_char_cursor#27 print_char_cursor#30
|
|
Identical Phi Values print_line_cursor#14 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#22 print_screen#0
|
|
Identical Phi Values print_char_cursor#46 print_screen#0
|
|
Identical Phi Values print_line_cursor#15 print_line_cursor#14
|
|
Identical Phi Values print_char_cursor#11 print_line_cursor#14
|
|
Identical Phi Values print_char_cursor#12 print_char_cursor#1
|
|
Identical Phi Values print_char_cursor#13 print_char_cursor#27
|
|
Identical Phi Values print_line_cursor#16 print_line_cursor#0
|
|
Identical Phi Values print_char_cursor#14 print_line_cursor#0
|
|
Identical Phi Values print_char_cursor#15 print_char_cursor#1
|
|
Identical Phi Values print_char_cursor#16 print_char_cursor#27
|
|
Identical Phi Values print_line_cursor#17 print_line_cursor#0
|
|
Identical Phi Values print_char_cursor#17 print_line_cursor#0
|
|
Identical Phi Values file#3 file#0
|
|
Identical Phi Values print_line_cursor#10 print_line_cursor#17
|
|
Identical Phi Values print_char_cursor#20 print_char_cursor#17
|
|
Successful SSA optimization Pass2IdenticalPhiElimination
|
|
Identical Phi Values print_char_cursor#44 print_char_cursor#30
|
|
Identical Phi Values print_char_cursor#45 print_char_cursor#1
|
|
Identical Phi Values memset::return#1 memset::str#0
|
|
Successful SSA optimization Pass2IdenticalPhiElimination
|
|
Simple Condition print_str::$1 [3] if(0!=*print_str::str#3) goto print_str::@2
|
|
Simple Condition print_ln::$1 [13] if(print_line_cursor#0<print_char_cursor#30) goto print_ln::@1
|
|
Simple Condition memset::$1 [38] if(memset::num#0<=0) goto memset::@1
|
|
Simple Condition memset::$3 [45] if(memset::dst#2!=memset::end#0) goto memset::@4
|
|
Successful SSA optimization Pass2ConditionalJumpSimplification
|
|
Constant memset::c#0 = ' '
|
|
Constant memset::num#0 = $3e8
|
|
Constant file#0 = files
|
|
Constant print_str::str#1 = main::str
|
|
Constant print_str::str#2 = main::str1
|
|
Constant main::return#0 = 0
|
|
Constant print_screen#0 = (char *) 1024
|
|
Constant file#2 = (struct fileentry *) 0
|
|
Successful SSA optimization Pass2ConstantIdentification
|
|
Constant memset::str#0 = (void *)print_screen#0
|
|
Constant main::$10 = (char **)file#0
|
|
Constant main::$11 = (char **)file#0
|
|
Constant main::$12 = (char **)file#0
|
|
Constant main::return#2 = main::return#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 [38] if(memset::num#0<=0) goto memset::@1
|
|
Successful SSA optimization Pass2ConstantIfs
|
|
Converting *(pointer+n) to pointer[n] [53] *main::$7 = (char *) 16384 -- main::$10[OFFSET_STRUCT_FILEENTRY_BUFEDIT]
|
|
Converting *(pointer+n) to pointer[n] [56] (*main::$8)[3] = $aa -- main::$11[OFFSET_STRUCT_FILEENTRY_BUFEDIT]
|
|
Converting *(pointer+n) to pointer[n] [59] main::$13 = *main::$9 -- main::$12[OFFSET_STRUCT_FILEENTRY_BUFEDIT]
|
|
Successful SSA optimization Pass2InlineDerefIdx
|
|
Simplifying expression containing zero main::$10 in [52] main::$7 = main::$10 + OFFSET_STRUCT_FILEENTRY_BUFEDIT
|
|
Simplifying expression containing zero main::$10 in [53] main::$10[OFFSET_STRUCT_FILEENTRY_BUFEDIT] = (char *) 16384
|
|
Simplifying expression containing zero main::$11 in [55] main::$8 = main::$11 + OFFSET_STRUCT_FILEENTRY_BUFEDIT
|
|
Simplifying expression containing zero main::$11 in [56] (main::$11[OFFSET_STRUCT_FILEENTRY_BUFEDIT])[3] = $aa
|
|
Simplifying expression containing zero main::$12 in [58] main::$9 = main::$12 + OFFSET_STRUCT_FILEENTRY_BUFEDIT
|
|
Simplifying expression containing zero main::$12 in [59] main::$13 = main::$12[OFFSET_STRUCT_FILEENTRY_BUFEDIT]
|
|
Successful SSA optimization PassNSimplifyExpressionWithZero
|
|
Eliminating unused variable main::$7 and assignment [32] main::$7 = main::$10
|
|
Eliminating unused variable main::$8 and assignment [34] main::$8 = main::$11
|
|
Eliminating unused variable main::$9 and assignment [36] main::$9 = main::$12
|
|
Eliminating unused constant memset::return#0
|
|
Eliminating unused constant main::return#2
|
|
Eliminating unused constant OFFSET_STRUCT_FILEENTRY_BUFEDIT
|
|
Eliminating unused constant file#2
|
|
Successful SSA optimization PassNEliminateUnusedVars
|
|
Eliminating unused constant main::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
|
|
Constant right-side identified [26] 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 print_str::str#2
|
|
Inlining constant with var siblings memset::dst#0
|
|
Constant inlined file#0 = files
|
|
Constant inlined memset::$4 = (char *)memset::str#0
|
|
Constant inlined main::$12 = (char **)files
|
|
Constant inlined print_str::str#2 = main::str1
|
|
Constant inlined memset::dst#0 = (char *)memset::str#0
|
|
Constant inlined print_str::str#1 = main::str
|
|
Constant inlined main::$10 = (char **)files
|
|
Constant inlined main::$11 = (char **)files
|
|
Successful SSA optimization Pass2ConstantInlining
|
|
Finalized unsigned number type (char) 2
|
|
Finalized unsigned number type (char) 8
|
|
Finalized unsigned number type (char) $a
|
|
Finalized unsigned number type (char) $10
|
|
Finalized unsigned number type (char) $a
|
|
Finalized unsigned number type (char) $a
|
|
Successful SSA optimization PassNFinalizeNumberTypeConversions
|
|
Added new block during phi lifting print_ln::@3(between print_ln::@1 and print_ln::@1)
|
|
Adding NOP phi() at start of main::@1
|
|
Adding NOP phi() at start of main::@3
|
|
Adding NOP phi() at start of main::@7
|
|
Adding NOP phi() at start of print_cls
|
|
Adding NOP phi() at start of print_cls::@1
|
|
Adding NOP phi() at start of print_uchar::@2
|
|
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:4 print_str:6 print_uchar:9 print_ln:11 print_str:13 print_uchar:16 print_ln:18
|
|
Calls in [print_cls] to memset:22
|
|
Calls in [print_str] to print_char:34
|
|
Calls in [print_uchar] to print_char:43 print_char:48
|
|
|
|
Created 10 initial phi equivalence classes
|
|
Coalesced [8] print_uchar::b#4 = print_uchar::b#0
|
|
Not coalescing [12] print_char_cursor#49 = print_line_cursor#0
|
|
Coalesced [15] print_uchar::b#5 = print_uchar::b#1
|
|
Coalesced [17] print_line_cursor#28 = print_line_cursor#0
|
|
Coalesced [26] print_str::str#7 = print_str::str#6
|
|
Coalesced [27] print_char_cursor#50 = print_char_cursor#48
|
|
Coalesced [32] print_char::ch#4 = print_char::ch#0
|
|
Coalesced [33] print_char_cursor#52 = print_char_cursor#1
|
|
Coalesced [36] print_str::str#8 = print_str::str#0
|
|
Coalesced [37] print_char_cursor#51 = print_char_cursor#30
|
|
Coalesced [41] print_char::ch#5 = print_char::ch#1
|
|
Coalesced (already) [42] print_char_cursor#53 = print_char_cursor#1
|
|
Coalesced [46] print_char::ch#6 = print_char::ch#2
|
|
Coalesced (already) [47] print_char_cursor#54 = print_char_cursor#30
|
|
Coalesced [52] print_line_cursor#29 = print_line_cursor#21
|
|
Coalesced (already) [58] print_line_cursor#30 = print_line_cursor#0
|
|
Coalesced [67] memset::dst#4 = memset::dst#1
|
|
Coalesced down to 6 phi equivalence classes
|
|
Culled Empty Block label main::@7
|
|
Culled Empty Block label print_cls::@1
|
|
Culled Empty Block label print_uchar::@2
|
|
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
|
|
Adding NOP phi() at start of main::@1
|
|
Adding NOP phi() at start of main::@3
|
|
Adding NOP phi() at start of main::@6
|
|
Adding NOP phi() at start of print_cls
|
|
Adding NOP phi() at start of memset
|
|
|
|
FINAL CONTROL FLOW GRAPH
|
|
|
|
int main()
|
|
main: scope:[main] from
|
|
[0] *((char **)files) = (char *) 16384
|
|
[1] (*((char **)files))[3] = $aa
|
|
[2] main::$13 = *((char **)files)
|
|
[3] main::$13[4] = $cc
|
|
[4] call print_cls
|
|
to:main::@1
|
|
main::@1: scope:[main] from main
|
|
[5] phi()
|
|
[6] call print_str
|
|
to:main::@2
|
|
main::@2: scope:[main] from main::@1
|
|
[7] print_uchar::b#0 = *((char *) 0)
|
|
[8] call print_uchar
|
|
to:main::@3
|
|
main::@3: scope:[main] from main::@2
|
|
[9] phi()
|
|
[10] call print_ln
|
|
to:main::@4
|
|
main::@4: scope:[main] from main::@3
|
|
[11] print_char_cursor#49 = print_line_cursor#0
|
|
[12] call print_str
|
|
to:main::@5
|
|
main::@5: scope:[main] from main::@4
|
|
[13] print_uchar::b#1 = *((char *) 16388)
|
|
[14] call print_uchar
|
|
to:main::@6
|
|
main::@6: scope:[main] from main::@5
|
|
[15] phi()
|
|
[16] call print_ln
|
|
to:main::@return
|
|
main::@return: scope:[main] from main::@6
|
|
[17] return
|
|
to:@return
|
|
|
|
void print_cls()
|
|
print_cls: scope:[print_cls] from main
|
|
[18] phi()
|
|
[19] call memset
|
|
to:print_cls::@return
|
|
print_cls::@return: scope:[print_cls] from print_cls
|
|
[20] return
|
|
to:@return
|
|
|
|
void print_str(char *str)
|
|
print_str: scope:[print_str] from main::@1 main::@4
|
|
[21] print_char_cursor#48 = phi( main::@1/print_screen#0, main::@4/print_char_cursor#49 )
|
|
[21] print_str::str#6 = phi( main::@1/main::str, main::@4/main::str1 )
|
|
to:print_str::@1
|
|
print_str::@1: scope:[print_str] from print_str print_str::@3
|
|
[22] print_char_cursor#1 = phi( print_str/print_char_cursor#48, print_str::@3/print_char_cursor#30 )
|
|
[22] print_str::str#3 = phi( print_str/print_str::str#6, print_str::@3/print_str::str#0 )
|
|
[23] if(0!=*print_str::str#3) goto print_str::@2
|
|
to:print_str::@return
|
|
print_str::@return: scope:[print_str] from print_str::@1
|
|
[24] return
|
|
to:@return
|
|
print_str::@2: scope:[print_str] from print_str::@1
|
|
[25] print_char::ch#0 = *print_str::str#3
|
|
[26] call print_char
|
|
to:print_str::@3
|
|
print_str::@3: scope:[print_str] from print_str::@2
|
|
[27] print_str::str#0 = ++ print_str::str#3
|
|
to:print_str::@1
|
|
|
|
void print_uchar(char b)
|
|
print_uchar: scope:[print_uchar] from main::@2 main::@5
|
|
[28] print_uchar::b#2 = phi( main::@2/print_uchar::b#0, main::@5/print_uchar::b#1 )
|
|
[29] print_uchar::$0 = print_uchar::b#2 >> 4
|
|
[30] print_char::ch#1 = print_hextab[print_uchar::$0]
|
|
[31] call print_char
|
|
to:print_uchar::@1
|
|
print_uchar::@1: scope:[print_uchar] from print_uchar
|
|
[32] print_uchar::$2 = print_uchar::b#2 & $f
|
|
[33] print_char::ch#2 = print_hextab[print_uchar::$2]
|
|
[34] call print_char
|
|
to:print_uchar::@return
|
|
print_uchar::@return: scope:[print_uchar] from print_uchar::@1
|
|
[35] return
|
|
to:@return
|
|
|
|
void print_ln()
|
|
print_ln: scope:[print_ln] from main::@3 main::@6
|
|
[36] print_line_cursor#21 = phi( main::@3/print_screen#0, main::@6/print_line_cursor#0 )
|
|
to:print_ln::@1
|
|
print_ln::@1: scope:[print_ln] from print_ln print_ln::@1
|
|
[37] print_line_cursor#11 = phi( print_ln/print_line_cursor#21, print_ln::@1/print_line_cursor#0 )
|
|
[38] print_line_cursor#0 = print_line_cursor#11 + $28
|
|
[39] if(print_line_cursor#0<print_char_cursor#30) goto print_ln::@1
|
|
to:print_ln::@return
|
|
print_ln::@return: scope:[print_ln] from print_ln::@1
|
|
[40] return
|
|
to:@return
|
|
|
|
void * memset(void *str , char c , unsigned int num)
|
|
memset: scope:[memset] from print_cls
|
|
[41] phi()
|
|
to:memset::@1
|
|
memset::@1: scope:[memset] from memset memset::@2
|
|
[42] memset::dst#2 = phi( memset/(char *)memset::str#0, memset::@2/memset::dst#1 )
|
|
[43] if(memset::dst#2!=memset::end#0) goto memset::@2
|
|
to:memset::@return
|
|
memset::@return: scope:[memset] from memset::@1
|
|
[44] return
|
|
to:@return
|
|
memset::@2: scope:[memset] from memset::@1
|
|
[45] *memset::dst#2 = memset::c#0
|
|
[46] memset::dst#1 = ++ memset::dst#2
|
|
to:memset::@1
|
|
|
|
void print_char(char ch)
|
|
print_char: scope:[print_char] from print_str::@2 print_uchar print_uchar::@1
|
|
[47] print_char_cursor#29 = phi( print_str::@2/print_char_cursor#1, print_uchar/print_char_cursor#1, print_uchar::@1/print_char_cursor#30 )
|
|
[47] print_char::ch#3 = phi( print_str::@2/print_char::ch#0, print_uchar/print_char::ch#1, print_uchar::@1/print_char::ch#2 )
|
|
[48] *print_char_cursor#29 = print_char::ch#3
|
|
[49] print_char_cursor#30 = ++ print_char_cursor#29
|
|
to:print_char::@return
|
|
print_char::@return: scope:[print_char] from print_char
|
|
[50] return
|
|
to:@return
|
|
|
|
|
|
VARIABLE REGISTER WEIGHTS
|
|
struct fileentry *file
|
|
int main()
|
|
char *main::$13 // 4.0
|
|
int main::return
|
|
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 // 202.0
|
|
char print_char::ch#1 // 22.0
|
|
char print_char::ch#2 // 22.0
|
|
char print_char::ch#3 // 1124.0
|
|
char *print_char_cursor
|
|
char *print_char_cursor#1 // 20.363636363636363
|
|
char *print_char_cursor#29 // 1062.5
|
|
char *print_char_cursor#30 // 71.41176470588235
|
|
char *print_char_cursor#48 // 13.0
|
|
char *print_char_cursor#49 // 4.0
|
|
void print_cls()
|
|
char *print_line_cursor
|
|
char *print_line_cursor#0 // 34.11111111111111
|
|
char *print_line_cursor#11 // 213.0
|
|
char *print_line_cursor#21 // 13.0
|
|
void print_ln()
|
|
char *print_screen
|
|
void print_str(char *str)
|
|
char *print_str::str
|
|
char *print_str::str#0 // 202.0
|
|
char *print_str::str#3 // 103.75
|
|
char *print_str::str#6 // 11.0
|
|
void print_uchar(char b)
|
|
char print_uchar::$0 // 22.0
|
|
char print_uchar::$2 // 22.0
|
|
char print_uchar::b
|
|
char print_uchar::b#0 // 4.0
|
|
char print_uchar::b#1 // 4.0
|
|
char print_uchar::b#2 // 6.5
|
|
|
|
Initial phi equivalence classes
|
|
[ print_str::str#3 print_str::str#6 print_str::str#0 ]
|
|
[ print_uchar::b#2 print_uchar::b#0 print_uchar::b#1 ]
|
|
[ print_line_cursor#11 print_line_cursor#21 print_line_cursor#0 ]
|
|
[ memset::dst#2 memset::dst#1 ]
|
|
[ print_char::ch#3 print_char::ch#0 print_char::ch#1 print_char::ch#2 ]
|
|
[ print_char_cursor#29 print_char_cursor#1 print_char_cursor#48 print_char_cursor#49 print_char_cursor#30 ]
|
|
Added variable main::$13 to live range equivalence class [ main::$13 ]
|
|
Added variable print_uchar::$0 to live range equivalence class [ print_uchar::$0 ]
|
|
Added variable print_uchar::$2 to live range equivalence class [ print_uchar::$2 ]
|
|
Complete equivalence classes
|
|
[ print_str::str#3 print_str::str#6 print_str::str#0 ]
|
|
[ print_uchar::b#2 print_uchar::b#0 print_uchar::b#1 ]
|
|
[ print_line_cursor#11 print_line_cursor#21 print_line_cursor#0 ]
|
|
[ memset::dst#2 memset::dst#1 ]
|
|
[ print_char::ch#3 print_char::ch#0 print_char::ch#1 print_char::ch#2 ]
|
|
[ print_char_cursor#29 print_char_cursor#1 print_char_cursor#48 print_char_cursor#49 print_char_cursor#30 ]
|
|
[ main::$13 ]
|
|
[ print_uchar::$0 ]
|
|
[ print_uchar::$2 ]
|
|
Allocated zp[2]:2 [ memset::dst#2 memset::dst#1 ]
|
|
Allocated zp[1]:4 [ print_char::ch#3 print_char::ch#0 print_char::ch#1 print_char::ch#2 ]
|
|
Allocated zp[2]:5 [ print_char_cursor#29 print_char_cursor#1 print_char_cursor#48 print_char_cursor#49 print_char_cursor#30 ]
|
|
Allocated zp[2]:7 [ print_str::str#3 print_str::str#6 print_str::str#0 ]
|
|
Allocated zp[2]:9 [ print_line_cursor#11 print_line_cursor#21 print_line_cursor#0 ]
|
|
Allocated zp[1]:11 [ print_uchar::$0 ]
|
|
Allocated zp[1]:12 [ print_uchar::$2 ]
|
|
Allocated zp[1]:13 [ print_uchar::b#2 print_uchar::b#0 print_uchar::b#1 ]
|
|
Allocated zp[2]:14 [ main::$13 ]
|
|
REGISTER UPLIFT POTENTIAL REGISTERS
|
|
Statement [0] *((char **)files) = (char *) 16384 [ ] ( [ ] { } ) always clobbers reg byte a
|
|
Statement [1] (*((char **)files))[3] = $aa [ ] ( [ ] { } ) always clobbers reg byte a reg byte x reg byte y
|
|
Statement [2] main::$13 = *((char **)files) [ main::$13 ] ( [ main::$13 ] { } ) always clobbers reg byte a
|
|
Statement [3] main::$13[4] = $cc [ ] ( [ ] { } ) always clobbers reg byte a reg byte y
|
|
Statement [11] print_char_cursor#49 = print_line_cursor#0 [ print_char_cursor#49 print_line_cursor#0 ] ( [ print_char_cursor#49 print_line_cursor#0 ] { { print_char_cursor#48 = print_char_cursor#49 } } ) always clobbers reg byte a
|
|
Statement [23] if(0!=*print_str::str#3) goto print_str::@2 [ print_str::str#3 print_char_cursor#1 ] ( print_str:6 [ print_str::str#3 print_char_cursor#1 ] { } print_str:12 [ print_line_cursor#0 print_str::str#3 print_char_cursor#1 ] { { print_char_cursor#48 = print_char_cursor#49 } } ) always clobbers reg byte a reg byte y
|
|
Statement [25] print_char::ch#0 = *print_str::str#3 [ print_str::str#3 print_char_cursor#1 print_char::ch#0 ] ( print_str:6 [ print_str::str#3 print_char_cursor#1 print_char::ch#0 ] { { print_char::ch#0 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } print_str:12 [ print_line_cursor#0 print_str::str#3 print_char_cursor#1 print_char::ch#0 ] { { print_char_cursor#48 = print_char_cursor#49 } { print_char::ch#0 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } ) always clobbers reg byte a reg byte y
|
|
Statement [29] print_uchar::$0 = print_uchar::b#2 >> 4 [ print_char_cursor#1 print_uchar::b#2 print_uchar::$0 ] ( print_uchar:8 [ print_char_cursor#1 print_uchar::b#2 print_uchar::$0 ] { { print_uchar::b#0 = print_uchar::b#2 } { print_char::ch#1 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } print_uchar:14 [ print_line_cursor#0 print_char_cursor#1 print_uchar::b#2 print_uchar::$0 ] { { print_uchar::b#1 = print_uchar::b#2 } { print_char::ch#1 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } ) always clobbers reg byte a
|
|
Removing always clobbered register reg byte a as potential for zp[1]:13 [ print_uchar::b#2 print_uchar::b#0 print_uchar::b#1 ]
|
|
Statement [32] print_uchar::$2 = print_uchar::b#2 & $f [ print_char_cursor#30 print_uchar::$2 ] ( print_uchar:8 [ print_char_cursor#30 print_uchar::$2 ] { { print_uchar::b#0 = print_uchar::b#2 } { print_char::ch#2 = print_char::ch#3 } { print_char_cursor#29 = print_char_cursor#30 } } print_uchar:14 [ print_line_cursor#0 print_char_cursor#30 print_uchar::$2 ] { { print_uchar::b#1 = print_uchar::b#2 } { print_char::ch#2 = print_char::ch#3 } { print_char_cursor#29 = print_char_cursor#30 } } ) always clobbers reg byte a
|
|
Statement [38] print_line_cursor#0 = print_line_cursor#11 + $28 [ print_line_cursor#0 print_char_cursor#30 ] ( print_ln:10 [ print_line_cursor#0 print_char_cursor#30 ] { } print_ln:16 [ print_line_cursor#0 print_char_cursor#30 ] { { print_line_cursor#0 = print_line_cursor#21 } } ) always clobbers reg byte a
|
|
Statement [39] if(print_line_cursor#0<print_char_cursor#30) goto print_ln::@1 [ print_line_cursor#0 print_char_cursor#30 ] ( print_ln:10 [ print_line_cursor#0 print_char_cursor#30 ] { } print_ln:16 [ print_line_cursor#0 print_char_cursor#30 ] { { print_line_cursor#0 = print_line_cursor#21 } } ) always clobbers reg byte a
|
|
Statement [43] if(memset::dst#2!=memset::end#0) goto memset::@2 [ memset::dst#2 ] ( print_cls:4::memset:19 [ memset::dst#2 ] { } ) always clobbers reg byte a
|
|
Statement [45] *memset::dst#2 = memset::c#0 [ memset::dst#2 ] ( print_cls:4::memset:19 [ memset::dst#2 ] { } ) always clobbers reg byte a reg byte y
|
|
Statement [48] *print_char_cursor#29 = print_char::ch#3 [ print_char_cursor#29 ] ( print_str:6::print_char:26 [ print_str::str#3 print_char_cursor#29 ] { { print_char::ch#0 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } print_str:12::print_char:26 [ print_line_cursor#0 print_str::str#3 print_char_cursor#29 ] { { print_char_cursor#48 = print_char_cursor#49 } { print_char::ch#0 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } print_uchar:8::print_char:31 [ print_uchar::b#2 print_char_cursor#29 ] { { print_uchar::b#0 = print_uchar::b#2 } { print_char::ch#1 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } print_uchar:14::print_char:31 [ print_line_cursor#0 print_uchar::b#2 print_char_cursor#29 ] { { print_uchar::b#1 = print_uchar::b#2 } { print_char::ch#1 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } print_uchar:8::print_char:34 [ print_char_cursor#29 ] { { print_uchar::b#0 = print_uchar::b#2 } { print_char::ch#2 = print_char::ch#3 } { print_char_cursor#29 = print_char_cursor#30 } } print_uchar:14::print_char:34 [ print_line_cursor#0 print_char_cursor#29 ] { { print_uchar::b#1 = print_uchar::b#2 } { print_char::ch#2 = print_char::ch#3 } { print_char_cursor#29 = print_char_cursor#30 } } ) always clobbers reg byte y
|
|
Removing always clobbered register reg byte y as potential for zp[1]:13 [ print_uchar::b#2 print_uchar::b#0 print_uchar::b#1 ]
|
|
Statement [0] *((char **)files) = (char *) 16384 [ ] ( [ ] { } ) always clobbers reg byte a
|
|
Statement [1] (*((char **)files))[3] = $aa [ ] ( [ ] { } ) always clobbers reg byte a reg byte x reg byte y
|
|
Statement [2] main::$13 = *((char **)files) [ main::$13 ] ( [ main::$13 ] { } ) always clobbers reg byte a
|
|
Statement [3] main::$13[4] = $cc [ ] ( [ ] { } ) always clobbers reg byte a reg byte y
|
|
Statement [11] print_char_cursor#49 = print_line_cursor#0 [ print_char_cursor#49 print_line_cursor#0 ] ( [ print_char_cursor#49 print_line_cursor#0 ] { { print_char_cursor#48 = print_char_cursor#49 } } ) always clobbers reg byte a
|
|
Statement [23] if(0!=*print_str::str#3) goto print_str::@2 [ print_str::str#3 print_char_cursor#1 ] ( print_str:6 [ print_str::str#3 print_char_cursor#1 ] { } print_str:12 [ print_line_cursor#0 print_str::str#3 print_char_cursor#1 ] { { print_char_cursor#48 = print_char_cursor#49 } } ) always clobbers reg byte a reg byte y
|
|
Statement [25] print_char::ch#0 = *print_str::str#3 [ print_str::str#3 print_char_cursor#1 print_char::ch#0 ] ( print_str:6 [ print_str::str#3 print_char_cursor#1 print_char::ch#0 ] { { print_char::ch#0 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } print_str:12 [ print_line_cursor#0 print_str::str#3 print_char_cursor#1 print_char::ch#0 ] { { print_char_cursor#48 = print_char_cursor#49 } { print_char::ch#0 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } ) always clobbers reg byte a reg byte y
|
|
Statement [29] print_uchar::$0 = print_uchar::b#2 >> 4 [ print_char_cursor#1 print_uchar::b#2 print_uchar::$0 ] ( print_uchar:8 [ print_char_cursor#1 print_uchar::b#2 print_uchar::$0 ] { { print_uchar::b#0 = print_uchar::b#2 } { print_char::ch#1 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } print_uchar:14 [ print_line_cursor#0 print_char_cursor#1 print_uchar::b#2 print_uchar::$0 ] { { print_uchar::b#1 = print_uchar::b#2 } { print_char::ch#1 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } ) always clobbers reg byte a
|
|
Statement [32] print_uchar::$2 = print_uchar::b#2 & $f [ print_char_cursor#30 print_uchar::$2 ] ( print_uchar:8 [ print_char_cursor#30 print_uchar::$2 ] { { print_uchar::b#0 = print_uchar::b#2 } { print_char::ch#2 = print_char::ch#3 } { print_char_cursor#29 = print_char_cursor#30 } } print_uchar:14 [ print_line_cursor#0 print_char_cursor#30 print_uchar::$2 ] { { print_uchar::b#1 = print_uchar::b#2 } { print_char::ch#2 = print_char::ch#3 } { print_char_cursor#29 = print_char_cursor#30 } } ) always clobbers reg byte a
|
|
Statement [38] print_line_cursor#0 = print_line_cursor#11 + $28 [ print_line_cursor#0 print_char_cursor#30 ] ( print_ln:10 [ print_line_cursor#0 print_char_cursor#30 ] { } print_ln:16 [ print_line_cursor#0 print_char_cursor#30 ] { { print_line_cursor#0 = print_line_cursor#21 } } ) always clobbers reg byte a
|
|
Statement [39] if(print_line_cursor#0<print_char_cursor#30) goto print_ln::@1 [ print_line_cursor#0 print_char_cursor#30 ] ( print_ln:10 [ print_line_cursor#0 print_char_cursor#30 ] { } print_ln:16 [ print_line_cursor#0 print_char_cursor#30 ] { { print_line_cursor#0 = print_line_cursor#21 } } ) always clobbers reg byte a
|
|
Statement [43] if(memset::dst#2!=memset::end#0) goto memset::@2 [ memset::dst#2 ] ( print_cls:4::memset:19 [ memset::dst#2 ] { } ) always clobbers reg byte a
|
|
Statement [45] *memset::dst#2 = memset::c#0 [ memset::dst#2 ] ( print_cls:4::memset:19 [ memset::dst#2 ] { } ) always clobbers reg byte a reg byte y
|
|
Statement [48] *print_char_cursor#29 = print_char::ch#3 [ print_char_cursor#29 ] ( print_str:6::print_char:26 [ print_str::str#3 print_char_cursor#29 ] { { print_char::ch#0 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } print_str:12::print_char:26 [ print_line_cursor#0 print_str::str#3 print_char_cursor#29 ] { { print_char_cursor#48 = print_char_cursor#49 } { print_char::ch#0 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } print_uchar:8::print_char:31 [ print_uchar::b#2 print_char_cursor#29 ] { { print_uchar::b#0 = print_uchar::b#2 } { print_char::ch#1 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } print_uchar:14::print_char:31 [ print_line_cursor#0 print_uchar::b#2 print_char_cursor#29 ] { { print_uchar::b#1 = print_uchar::b#2 } { print_char::ch#1 = print_char::ch#3 } { print_char_cursor#1 = print_char_cursor#29 } } print_uchar:8::print_char:34 [ print_char_cursor#29 ] { { print_uchar::b#0 = print_uchar::b#2 } { print_char::ch#2 = print_char::ch#3 } { print_char_cursor#29 = print_char_cursor#30 } } print_uchar:14::print_char:34 [ print_line_cursor#0 print_char_cursor#29 ] { { print_uchar::b#1 = print_uchar::b#2 } { print_char::ch#2 = print_char::ch#3 } { print_char_cursor#29 = print_char_cursor#30 } } ) always clobbers reg byte y
|
|
Potential registers zp[2]:7 [ print_str::str#3 print_str::str#6 print_str::str#0 ] : zp[2]:7 ,
|
|
Potential registers zp[1]:13 [ print_uchar::b#2 print_uchar::b#0 print_uchar::b#1 ] : zp[1]:13 , reg byte x ,
|
|
Potential registers zp[2]:9 [ print_line_cursor#11 print_line_cursor#21 print_line_cursor#0 ] : zp[2]:9 ,
|
|
Potential registers zp[2]:2 [ memset::dst#2 memset::dst#1 ] : zp[2]:2 ,
|
|
Potential registers zp[1]:4 [ print_char::ch#3 print_char::ch#0 print_char::ch#1 print_char::ch#2 ] : zp[1]:4 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[2]:5 [ print_char_cursor#29 print_char_cursor#1 print_char_cursor#48 print_char_cursor#49 print_char_cursor#30 ] : zp[2]:5 ,
|
|
Potential registers zp[2]:14 [ main::$13 ] : zp[2]:14 ,
|
|
Potential registers zp[1]:11 [ print_uchar::$0 ] : zp[1]:11 , reg byte a , reg byte x , reg byte y ,
|
|
Potential registers zp[1]:12 [ print_uchar::$2 ] : zp[1]:12 , reg byte a , reg byte x , reg byte y ,
|
|
|
|
REGISTER UPLIFT SCOPES
|
|
Uplift Scope [memset] 3,336.67: zp[2]:2 [ memset::dst#2 memset::dst#1 ]
|
|
Uplift Scope [] 1,171.28: zp[2]:5 [ print_char_cursor#29 print_char_cursor#1 print_char_cursor#48 print_char_cursor#49 print_char_cursor#30 ] 260.11: zp[2]:9 [ print_line_cursor#11 print_line_cursor#21 print_line_cursor#0 ]
|
|
Uplift Scope [print_char] 1,370: zp[1]:4 [ print_char::ch#3 print_char::ch#0 print_char::ch#1 print_char::ch#2 ]
|
|
Uplift Scope [print_str] 316.75: zp[2]:7 [ print_str::str#3 print_str::str#6 print_str::str#0 ]
|
|
Uplift Scope [print_uchar] 22: zp[1]:11 [ print_uchar::$0 ] 22: zp[1]:12 [ print_uchar::$2 ] 14.5: zp[1]:13 [ print_uchar::b#2 print_uchar::b#0 print_uchar::b#1 ]
|
|
Uplift Scope [main] 4: zp[2]:14 [ main::$13 ]
|
|
Uplift Scope [print_ln]
|
|
Uplift Scope [print_cls]
|
|
Uplift Scope [RADIX]
|
|
Uplift Scope [fileentry]
|
|
|
|
Uplifting [memset] best 1769 combination zp[2]:2 [ memset::dst#2 memset::dst#1 ]
|
|
Uplifting [] best 1769 combination zp[2]:5 [ print_char_cursor#29 print_char_cursor#1 print_char_cursor#48 print_char_cursor#49 print_char_cursor#30 ] zp[2]:9 [ print_line_cursor#11 print_line_cursor#21 print_line_cursor#0 ]
|
|
Uplifting [print_char] best 1730 combination reg byte a [ print_char::ch#3 print_char::ch#0 print_char::ch#1 print_char::ch#2 ]
|
|
Uplifting [print_str] best 1730 combination zp[2]:7 [ print_str::str#3 print_str::str#6 print_str::str#0 ]
|
|
Uplifting [print_uchar] best 1712 combination reg byte a [ print_uchar::$0 ] reg byte x [ print_uchar::$2 ] reg byte x [ print_uchar::b#2 print_uchar::b#0 print_uchar::b#1 ]
|
|
Uplifting [main] best 1712 combination zp[2]:14 [ main::$13 ]
|
|
Uplifting [print_ln] best 1712 combination
|
|
Uplifting [print_cls] best 1712 combination
|
|
Uplifting [RADIX] best 1712 combination
|
|
Uplifting [fileentry] best 1712 combination
|
|
Coalescing zero page register [ zp[2]:2 [ memset::dst#2 memset::dst#1 ] ] with [ zp[2]:7 [ print_str::str#3 print_str::str#6 print_str::str#0 ] ]
|
|
Coalescing zero page register [ zp[2]:14 [ main::$13 ] ] with [ zp[2]:9 [ print_line_cursor#11 print_line_cursor#21 print_line_cursor#0 ] ]
|
|
Allocated (was zp[2]:5) zp[2]:4 [ print_char_cursor#29 print_char_cursor#1 print_char_cursor#48 print_char_cursor#49 print_char_cursor#30 ]
|
|
Allocated (was zp[2]:14) zp[2]:6 [ main::$13 print_line_cursor#11 print_line_cursor#21 print_line_cursor#0 ]
|
|
|
|
ASSEMBLER BEFORE OPTIMIZATION
|
|
// File Comments
|
|
// Demonstrates problem with missing parenthesis in double-dereferencing
|
|
// https://gitlab.com/camelot/kickc/issues/270
|
|
// Upstart
|
|
// Commodore 64 PRG executable file
|
|
.file [name="struct-ptr-22.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 = 4
|
|
.label print_line_cursor = 6
|
|
.segment Code
|
|
// main
|
|
main: {
|
|
.label __13 = 6
|
|
// [0] *((char **)files) = (char *) 16384 -- _deref_qbuc1=pbuc2
|
|
lda #<$4000
|
|
sta files
|
|
lda #>$4000
|
|
sta files+1
|
|
// [1] (*((char **)files))[3] = $aa -- (_deref_qbuc1)_derefidx_vbuc2=vbuc3
|
|
lda #$aa
|
|
ldy #3
|
|
ldx files
|
|
stx.z $fe
|
|
ldx files+1
|
|
stx.z $ff
|
|
sta ($fe),y
|
|
// [2] main::$13 = *((char **)files) -- pbuz1=_deref_qbuc1
|
|
lda files
|
|
sta.z __13
|
|
lda files+1
|
|
sta.z __13+1
|
|
// [3] main::$13[4] = $cc -- pbuz1_derefidx_vbuc1=vbuc2
|
|
// writes address 0x0000 (wrong!)
|
|
lda #$cc
|
|
ldy #4
|
|
sta (__13),y
|
|
// [4] call print_cls
|
|
// writes address 0x4004 (right!)
|
|
// [18] phi from main to print_cls [phi:main->print_cls]
|
|
print_cls_from_main:
|
|
jsr print_cls
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
|
__b1_from_main:
|
|
jmp __b1
|
|
// main::@1
|
|
__b1:
|
|
// [6] call print_str
|
|
// [21] phi from main::@1 to print_str [phi:main::@1->print_str]
|
|
print_str_from___b1:
|
|
// [21] phi print_char_cursor#48 = print_screen#0 [phi:main::@1->print_str#0] -- pbuz1=pbuc1
|
|
lda #<print_screen
|
|
sta.z print_char_cursor
|
|
lda #>print_screen
|
|
sta.z print_char_cursor+1
|
|
// [21] phi print_str::str#6 = main::str [phi:main::@1->print_str#1] -- pbuz1=pbuc1
|
|
lda #<str
|
|
sta.z print_str.str
|
|
lda #>str
|
|
sta.z print_str.str+1
|
|
jsr print_str
|
|
jmp __b2
|
|
// main::@2
|
|
__b2:
|
|
// [7] print_uchar::b#0 = *((char *) 0) -- vbuxx=_deref_pbuc1
|
|
ldx.z 0
|
|
// [8] call print_uchar
|
|
// [28] phi from main::@2 to print_uchar [phi:main::@2->print_uchar]
|
|
print_uchar_from___b2:
|
|
// [28] phi print_uchar::b#2 = print_uchar::b#0 [phi:main::@2->print_uchar#0] -- register_copy
|
|
jsr print_uchar
|
|
// [9] phi from main::@2 to main::@3 [phi:main::@2->main::@3]
|
|
__b3_from___b2:
|
|
jmp __b3
|
|
// main::@3
|
|
__b3:
|
|
// [10] call print_ln
|
|
// [36] phi from main::@3 to print_ln [phi:main::@3->print_ln]
|
|
print_ln_from___b3:
|
|
// [36] phi print_line_cursor#21 = print_screen#0 [phi:main::@3->print_ln#0] -- pbuz1=pbuc1
|
|
lda #<print_screen
|
|
sta.z print_line_cursor
|
|
lda #>print_screen
|
|
sta.z print_line_cursor+1
|
|
jsr print_ln
|
|
jmp __b4
|
|
// main::@4
|
|
__b4:
|
|
// [11] print_char_cursor#49 = 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
|
|
// [12] call print_str
|
|
// [21] phi from main::@4 to print_str [phi:main::@4->print_str]
|
|
print_str_from___b4:
|
|
// [21] phi print_char_cursor#48 = print_char_cursor#49 [phi:main::@4->print_str#0] -- register_copy
|
|
// [21] phi print_str::str#6 = main::str1 [phi:main::@4->print_str#1] -- pbuz1=pbuc1
|
|
lda #<str1
|
|
sta.z print_str.str
|
|
lda #>str1
|
|
sta.z print_str.str+1
|
|
jsr print_str
|
|
jmp __b5
|
|
// main::@5
|
|
__b5:
|
|
// [13] print_uchar::b#1 = *((char *) 16388) -- vbuxx=_deref_pbuc1
|
|
ldx $4004
|
|
// [14] call print_uchar
|
|
// [28] phi from main::@5 to print_uchar [phi:main::@5->print_uchar]
|
|
print_uchar_from___b5:
|
|
// [28] phi print_uchar::b#2 = print_uchar::b#1 [phi:main::@5->print_uchar#0] -- register_copy
|
|
jsr print_uchar
|
|
// [15] phi from main::@5 to main::@6 [phi:main::@5->main::@6]
|
|
__b6_from___b5:
|
|
jmp __b6
|
|
// main::@6
|
|
__b6:
|
|
// [16] call print_ln
|
|
// [36] phi from main::@6 to print_ln [phi:main::@6->print_ln]
|
|
print_ln_from___b6:
|
|
// [36] phi print_line_cursor#21 = print_line_cursor#0 [phi:main::@6->print_ln#0] -- register_copy
|
|
jsr print_ln
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [17] return
|
|
rts
|
|
.segment Data
|
|
str: .text "$0000="
|
|
.byte 0
|
|
str1: .text "$4004="
|
|
.byte 0
|
|
}
|
|
.segment Code
|
|
// print_cls
|
|
// Clear the screen. Also resets current line/char cursor.
|
|
print_cls: {
|
|
// [19] call memset
|
|
// [41] phi from print_cls to memset [phi:print_cls->memset]
|
|
memset_from_print_cls:
|
|
jsr memset
|
|
jmp __breturn
|
|
// print_cls::@return
|
|
__breturn:
|
|
// [20] return
|
|
rts
|
|
}
|
|
// print_str
|
|
// Print a zero-terminated string
|
|
// void print_str(__zp(2) char *str)
|
|
print_str: {
|
|
.label str = 2
|
|
// [22] phi from print_str print_str::@3 to print_str::@1 [phi:print_str/print_str::@3->print_str::@1]
|
|
__b1_from_print_str:
|
|
__b1_from___b3:
|
|
// [22] phi print_char_cursor#1 = print_char_cursor#48 [phi:print_str/print_str::@3->print_str::@1#0] -- register_copy
|
|
// [22] phi print_str::str#3 = print_str::str#6 [phi:print_str/print_str::@3->print_str::@1#1] -- register_copy
|
|
jmp __b1
|
|
// print_str::@1
|
|
__b1:
|
|
// [23] if(0!=*print_str::str#3) 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:
|
|
// [24] return
|
|
rts
|
|
// print_str::@2
|
|
__b2:
|
|
// [25] print_char::ch#0 = *print_str::str#3 -- vbuaa=_deref_pbuz1
|
|
ldy #0
|
|
lda (str),y
|
|
// [26] call print_char
|
|
// [47] phi from print_str::@2 to print_char [phi:print_str::@2->print_char]
|
|
print_char_from___b2:
|
|
// [47] phi print_char_cursor#29 = print_char_cursor#1 [phi:print_str::@2->print_char#0] -- register_copy
|
|
// [47] phi print_char::ch#3 = print_char::ch#0 [phi:print_str::@2->print_char#1] -- register_copy
|
|
jsr print_char
|
|
jmp __b3
|
|
// print_str::@3
|
|
__b3:
|
|
// [27] print_str::str#0 = ++ print_str::str#3 -- pbuz1=_inc_pbuz1
|
|
inc.z str
|
|
bne !+
|
|
inc.z str+1
|
|
!:
|
|
jmp __b1_from___b3
|
|
}
|
|
// print_uchar
|
|
// Print a char as HEX
|
|
// void print_uchar(__register(X) char b)
|
|
print_uchar: {
|
|
// [29] print_uchar::$0 = print_uchar::b#2 >> 4 -- vbuaa=vbuxx_ror_4
|
|
txa
|
|
lsr
|
|
lsr
|
|
lsr
|
|
lsr
|
|
// [30] print_char::ch#1 = print_hextab[print_uchar::$0] -- vbuaa=pbuc1_derefidx_vbuaa
|
|
tay
|
|
lda print_hextab,y
|
|
// [31] call print_char
|
|
// Table of hexadecimal digits
|
|
// [47] phi from print_uchar to print_char [phi:print_uchar->print_char]
|
|
print_char_from_print_uchar:
|
|
// [47] phi print_char_cursor#29 = print_char_cursor#1 [phi:print_uchar->print_char#0] -- register_copy
|
|
// [47] phi print_char::ch#3 = print_char::ch#1 [phi:print_uchar->print_char#1] -- register_copy
|
|
jsr print_char
|
|
jmp __b1
|
|
// print_uchar::@1
|
|
__b1:
|
|
// [32] print_uchar::$2 = print_uchar::b#2 & $f -- vbuxx=vbuxx_band_vbuc1
|
|
lda #$f
|
|
axs #0
|
|
// [33] print_char::ch#2 = print_hextab[print_uchar::$2] -- vbuaa=pbuc1_derefidx_vbuxx
|
|
lda print_hextab,x
|
|
// [34] call print_char
|
|
// [47] phi from print_uchar::@1 to print_char [phi:print_uchar::@1->print_char]
|
|
print_char_from___b1:
|
|
// [47] phi print_char_cursor#29 = print_char_cursor#30 [phi:print_uchar::@1->print_char#0] -- register_copy
|
|
// [47] phi print_char::ch#3 = print_char::ch#2 [phi:print_uchar::@1->print_char#1] -- register_copy
|
|
jsr print_char
|
|
jmp __breturn
|
|
// print_uchar::@return
|
|
__breturn:
|
|
// [35] return
|
|
rts
|
|
}
|
|
// print_ln
|
|
// Print a newline
|
|
print_ln: {
|
|
// [37] 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:
|
|
// [37] phi print_line_cursor#11 = print_line_cursor#21 [phi:print_ln/print_ln::@1->print_ln::@1#0] -- register_copy
|
|
jmp __b1
|
|
// print_ln::@1
|
|
__b1:
|
|
// [38] print_line_cursor#0 = print_line_cursor#11 + $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
|
|
!:
|
|
// [39] if(print_line_cursor#0<print_char_cursor#30) 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:
|
|
// [40] 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 = $3e8
|
|
.label str = print_screen
|
|
.label end = str+num
|
|
.label dst = 2
|
|
// [42] phi from memset to memset::@1 [phi:memset->memset::@1]
|
|
__b1_from_memset:
|
|
// [42] phi memset::dst#2 = (char *)memset::str#0 [phi:memset->memset::@1#0] -- pbuz1=pbuc1
|
|
lda #<str
|
|
sta.z dst
|
|
lda #>str
|
|
sta.z dst+1
|
|
jmp __b1
|
|
// memset::@1
|
|
__b1:
|
|
// [43] if(memset::dst#2!=memset::end#0) goto memset::@2 -- pbuz1_neq_pbuc1_then_la1
|
|
lda.z dst+1
|
|
cmp #>end
|
|
bne __b2
|
|
lda.z dst
|
|
cmp #<end
|
|
bne __b2
|
|
jmp __breturn
|
|
// memset::@return
|
|
__breturn:
|
|
// [44] return
|
|
rts
|
|
// memset::@2
|
|
__b2:
|
|
// [45] *memset::dst#2 = memset::c#0 -- _deref_pbuz1=vbuc1
|
|
lda #c
|
|
ldy #0
|
|
sta (dst),y
|
|
// [46] memset::dst#1 = ++ memset::dst#2 -- pbuz1=_inc_pbuz1
|
|
inc.z dst
|
|
bne !+
|
|
inc.z dst+1
|
|
!:
|
|
// [42] phi from memset::@2 to memset::@1 [phi:memset::@2->memset::@1]
|
|
__b1_from___b2:
|
|
// [42] phi memset::dst#2 = memset::dst#1 [phi:memset::@2->memset::@1#0] -- register_copy
|
|
jmp __b1
|
|
}
|
|
// print_char
|
|
// Print a single char
|
|
// void print_char(__register(A) char ch)
|
|
print_char: {
|
|
// [48] *print_char_cursor#29 = print_char::ch#3 -- _deref_pbuz1=vbuaa
|
|
ldy #0
|
|
sta (print_char_cursor),y
|
|
// [49] print_char_cursor#30 = ++ print_char_cursor#29 -- pbuz1=_inc_pbuz1
|
|
inc.z print_char_cursor
|
|
bne !+
|
|
inc.z print_char_cursor+1
|
|
!:
|
|
jmp __breturn
|
|
// print_char::@return
|
|
__breturn:
|
|
// [50] return
|
|
rts
|
|
}
|
|
// File Data
|
|
.segment Data
|
|
print_hextab: .text "0123456789abcdef"
|
|
files: .fill 2*$a, 0
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __b3
|
|
Removing instruction jmp __b4
|
|
Removing instruction jmp __b5
|
|
Removing instruction jmp __b6
|
|
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 __b1
|
|
Removing instruction jmp __breturn
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Replacing label __b1_from___b3 with __b1
|
|
Replacing label __b1_from___b1 with __b1
|
|
Replacing label __b1_from___b1 with __b1
|
|
Removing instruction __b1_from_main:
|
|
Removing instruction print_str_from___b1:
|
|
Removing instruction __b3_from___b2:
|
|
Removing instruction print_ln_from___b3:
|
|
Removing instruction __b6_from___b5:
|
|
Removing instruction print_ln_from___b6:
|
|
Removing instruction __b1_from_print_str:
|
|
Removing instruction __b1_from___b3:
|
|
Removing instruction __b1_from_print_ln:
|
|
Removing instruction __b1_from___b1:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction print_cls_from_main:
|
|
Removing instruction __b1:
|
|
Removing instruction __b2:
|
|
Removing instruction print_uchar_from___b2:
|
|
Removing instruction __b3:
|
|
Removing instruction __b4:
|
|
Removing instruction print_str_from___b4:
|
|
Removing instruction __b5:
|
|
Removing instruction print_uchar_from___b5:
|
|
Removing instruction __b6:
|
|
Removing instruction __breturn:
|
|
Removing instruction memset_from_print_cls:
|
|
Removing instruction __breturn:
|
|
Removing instruction __breturn:
|
|
Removing instruction print_char_from___b2:
|
|
Removing instruction __b3:
|
|
Removing instruction print_char_from_print_uchar:
|
|
Removing instruction __b1:
|
|
Removing instruction print_char_from___b1:
|
|
Removing instruction __breturn:
|
|
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 = $10
|
|
__constant char RADIX::OCTAL = 8
|
|
struct fileentry *file
|
|
__constant struct fileentry files[$a] = { fill( $a, 0) }
|
|
int main()
|
|
char *main::$13 // zp[2]:6 4.0
|
|
int main::return
|
|
__constant char main::str[7] = "$0000="
|
|
__constant char main::str1[7] = "$4004="
|
|
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]:2 2002.0
|
|
char *memset::dst#2 // dst zp[2]:2 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 202.0
|
|
char print_char::ch#1 // reg byte a 22.0
|
|
char print_char::ch#2 // reg byte a 22.0
|
|
char print_char::ch#3 // reg byte a 1124.0
|
|
char *print_char_cursor
|
|
char *print_char_cursor#1 // print_char_cursor zp[2]:4 20.363636363636363
|
|
char *print_char_cursor#29 // print_char_cursor zp[2]:4 1062.5
|
|
char *print_char_cursor#30 // print_char_cursor zp[2]:4 71.41176470588235
|
|
char *print_char_cursor#48 // print_char_cursor zp[2]:4 13.0
|
|
char *print_char_cursor#49 // print_char_cursor zp[2]:4 4.0
|
|
void print_cls()
|
|
__constant const char print_hextab[] = "0123456789abcdef"z
|
|
char *print_line_cursor
|
|
char *print_line_cursor#0 // print_line_cursor zp[2]:6 34.11111111111111
|
|
char *print_line_cursor#11 // print_line_cursor zp[2]:6 213.0
|
|
char *print_line_cursor#21 // print_line_cursor zp[2]:6 13.0
|
|
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]:2 202.0
|
|
char *print_str::str#3 // str zp[2]:2 103.75
|
|
char *print_str::str#6 // str zp[2]:2 11.0
|
|
void print_uchar(char b)
|
|
char print_uchar::$0 // reg byte a 22.0
|
|
char print_uchar::$2 // reg byte x 22.0
|
|
char print_uchar::b
|
|
char print_uchar::b#0 // reg byte x 4.0
|
|
char print_uchar::b#1 // reg byte x 4.0
|
|
char print_uchar::b#2 // reg byte x 6.5
|
|
|
|
reg byte x [ print_uchar::b#2 print_uchar::b#0 print_uchar::b#1 ]
|
|
zp[2]:2 [ memset::dst#2 memset::dst#1 print_str::str#3 print_str::str#6 print_str::str#0 ]
|
|
reg byte a [ print_char::ch#3 print_char::ch#0 print_char::ch#1 print_char::ch#2 ]
|
|
zp[2]:4 [ print_char_cursor#29 print_char_cursor#1 print_char_cursor#48 print_char_cursor#49 print_char_cursor#30 ]
|
|
zp[2]:6 [ main::$13 print_line_cursor#11 print_line_cursor#21 print_line_cursor#0 ]
|
|
reg byte a [ print_uchar::$0 ]
|
|
reg byte x [ print_uchar::$2 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 1496
|
|
|
|
// File Comments
|
|
// Demonstrates problem with missing parenthesis in double-dereferencing
|
|
// https://gitlab.com/camelot/kickc/issues/270
|
|
// Upstart
|
|
// Commodore 64 PRG executable file
|
|
.file [name="struct-ptr-22.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 = 4
|
|
.label print_line_cursor = 6
|
|
.segment Code
|
|
// main
|
|
main: {
|
|
.label __13 = 6
|
|
// file->bufEdit = (char*)0x4000
|
|
// [0] *((char **)files) = (char *) 16384 -- _deref_qbuc1=pbuc2
|
|
lda #<$4000
|
|
sta files
|
|
lda #>$4000
|
|
sta files+1
|
|
// file->bufEdit[3] = 0xAA
|
|
// [1] (*((char **)files))[3] = $aa -- (_deref_qbuc1)_derefidx_vbuc2=vbuc3
|
|
lda #$aa
|
|
ldy #3
|
|
ldx files
|
|
stx.z $fe
|
|
ldx files+1
|
|
stx.z $ff
|
|
sta ($fe),y
|
|
// ((char *)file->bufEdit)[4] = 0xCC
|
|
// [2] main::$13 = *((char **)files) -- pbuz1=_deref_qbuc1
|
|
lda files
|
|
sta.z __13
|
|
lda files+1
|
|
sta.z __13+1
|
|
// [3] main::$13[4] = $cc -- pbuz1_derefidx_vbuc1=vbuc2
|
|
// writes address 0x0000 (wrong!)
|
|
lda #$cc
|
|
ldy #4
|
|
sta (__13),y
|
|
// print_cls()
|
|
// [4] call print_cls
|
|
// writes address 0x4004 (right!)
|
|
// [18] phi from main to print_cls [phi:main->print_cls]
|
|
jsr print_cls
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
|
// main::@1
|
|
// print_str("$0000=")
|
|
// [6] call print_str
|
|
// [21] phi from main::@1 to print_str [phi:main::@1->print_str]
|
|
// [21] phi print_char_cursor#48 = print_screen#0 [phi:main::@1->print_str#0] -- pbuz1=pbuc1
|
|
lda #<print_screen
|
|
sta.z print_char_cursor
|
|
lda #>print_screen
|
|
sta.z print_char_cursor+1
|
|
// [21] phi print_str::str#6 = main::str [phi:main::@1->print_str#1] -- pbuz1=pbuc1
|
|
lda #<str
|
|
sta.z print_str.str
|
|
lda #>str
|
|
sta.z print_str.str+1
|
|
jsr print_str
|
|
// main::@2
|
|
// print_uchar(*(char *)0x0000)
|
|
// [7] print_uchar::b#0 = *((char *) 0) -- vbuxx=_deref_pbuc1
|
|
ldx.z 0
|
|
// [8] call print_uchar
|
|
// [28] phi from main::@2 to print_uchar [phi:main::@2->print_uchar]
|
|
// [28] phi print_uchar::b#2 = print_uchar::b#0 [phi:main::@2->print_uchar#0] -- register_copy
|
|
jsr print_uchar
|
|
// [9] phi from main::@2 to main::@3 [phi:main::@2->main::@3]
|
|
// main::@3
|
|
// print_ln()
|
|
// [10] call print_ln
|
|
// [36] phi from main::@3 to print_ln [phi:main::@3->print_ln]
|
|
// [36] phi print_line_cursor#21 = print_screen#0 [phi:main::@3->print_ln#0] -- pbuz1=pbuc1
|
|
lda #<print_screen
|
|
sta.z print_line_cursor
|
|
lda #>print_screen
|
|
sta.z print_line_cursor+1
|
|
jsr print_ln
|
|
// main::@4
|
|
// [11] print_char_cursor#49 = 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
|
|
// print_str("$4004=")
|
|
// [12] call print_str
|
|
// [21] phi from main::@4 to print_str [phi:main::@4->print_str]
|
|
// [21] phi print_char_cursor#48 = print_char_cursor#49 [phi:main::@4->print_str#0] -- register_copy
|
|
// [21] phi print_str::str#6 = main::str1 [phi:main::@4->print_str#1] -- pbuz1=pbuc1
|
|
lda #<str1
|
|
sta.z print_str.str
|
|
lda #>str1
|
|
sta.z print_str.str+1
|
|
jsr print_str
|
|
// main::@5
|
|
// print_uchar(*(char *)0x4004)
|
|
// [13] print_uchar::b#1 = *((char *) 16388) -- vbuxx=_deref_pbuc1
|
|
ldx $4004
|
|
// [14] call print_uchar
|
|
// [28] phi from main::@5 to print_uchar [phi:main::@5->print_uchar]
|
|
// [28] phi print_uchar::b#2 = print_uchar::b#1 [phi:main::@5->print_uchar#0] -- register_copy
|
|
jsr print_uchar
|
|
// [15] phi from main::@5 to main::@6 [phi:main::@5->main::@6]
|
|
// main::@6
|
|
// print_ln()
|
|
// [16] call print_ln
|
|
// [36] phi from main::@6 to print_ln [phi:main::@6->print_ln]
|
|
// [36] phi print_line_cursor#21 = print_line_cursor#0 [phi:main::@6->print_ln#0] -- register_copy
|
|
jsr print_ln
|
|
// main::@return
|
|
// }
|
|
// [17] return
|
|
rts
|
|
.segment Data
|
|
str: .text "$0000="
|
|
.byte 0
|
|
str1: .text "$4004="
|
|
.byte 0
|
|
}
|
|
.segment Code
|
|
// print_cls
|
|
// Clear the screen. Also resets current line/char cursor.
|
|
print_cls: {
|
|
// memset(print_screen, ' ', 1000)
|
|
// [19] call memset
|
|
// [41] phi from print_cls to memset [phi:print_cls->memset]
|
|
jsr memset
|
|
// print_cls::@return
|
|
// }
|
|
// [20] return
|
|
rts
|
|
}
|
|
// print_str
|
|
// Print a zero-terminated string
|
|
// void print_str(__zp(2) char *str)
|
|
print_str: {
|
|
.label str = 2
|
|
// [22] phi from print_str print_str::@3 to print_str::@1 [phi:print_str/print_str::@3->print_str::@1]
|
|
// [22] phi print_char_cursor#1 = print_char_cursor#48 [phi:print_str/print_str::@3->print_str::@1#0] -- register_copy
|
|
// [22] phi print_str::str#3 = print_str::str#6 [phi:print_str/print_str::@3->print_str::@1#1] -- register_copy
|
|
// print_str::@1
|
|
__b1:
|
|
// while(*str)
|
|
// [23] if(0!=*print_str::str#3) goto print_str::@2 -- 0_neq__deref_pbuz1_then_la1
|
|
ldy #0
|
|
lda (str),y
|
|
cmp #0
|
|
bne __b2
|
|
// print_str::@return
|
|
// }
|
|
// [24] return
|
|
rts
|
|
// print_str::@2
|
|
__b2:
|
|
// print_char(*(str++))
|
|
// [25] print_char::ch#0 = *print_str::str#3 -- vbuaa=_deref_pbuz1
|
|
ldy #0
|
|
lda (str),y
|
|
// [26] call print_char
|
|
// [47] phi from print_str::@2 to print_char [phi:print_str::@2->print_char]
|
|
// [47] phi print_char_cursor#29 = print_char_cursor#1 [phi:print_str::@2->print_char#0] -- register_copy
|
|
// [47] phi print_char::ch#3 = print_char::ch#0 [phi:print_str::@2->print_char#1] -- register_copy
|
|
jsr print_char
|
|
// print_str::@3
|
|
// print_char(*(str++));
|
|
// [27] print_str::str#0 = ++ print_str::str#3 -- pbuz1=_inc_pbuz1
|
|
inc.z str
|
|
bne !+
|
|
inc.z str+1
|
|
!:
|
|
jmp __b1
|
|
}
|
|
// print_uchar
|
|
// Print a char as HEX
|
|
// void print_uchar(__register(X) char b)
|
|
print_uchar: {
|
|
// b>>4
|
|
// [29] print_uchar::$0 = print_uchar::b#2 >> 4 -- vbuaa=vbuxx_ror_4
|
|
txa
|
|
lsr
|
|
lsr
|
|
lsr
|
|
lsr
|
|
// print_char(print_hextab[b>>4])
|
|
// [30] print_char::ch#1 = print_hextab[print_uchar::$0] -- vbuaa=pbuc1_derefidx_vbuaa
|
|
tay
|
|
lda print_hextab,y
|
|
// [31] call print_char
|
|
// Table of hexadecimal digits
|
|
// [47] phi from print_uchar to print_char [phi:print_uchar->print_char]
|
|
// [47] phi print_char_cursor#29 = print_char_cursor#1 [phi:print_uchar->print_char#0] -- register_copy
|
|
// [47] phi print_char::ch#3 = print_char::ch#1 [phi:print_uchar->print_char#1] -- register_copy
|
|
jsr print_char
|
|
// print_uchar::@1
|
|
// b&0xf
|
|
// [32] print_uchar::$2 = print_uchar::b#2 & $f -- vbuxx=vbuxx_band_vbuc1
|
|
lda #$f
|
|
axs #0
|
|
// print_char(print_hextab[b&0xf])
|
|
// [33] print_char::ch#2 = print_hextab[print_uchar::$2] -- vbuaa=pbuc1_derefidx_vbuxx
|
|
lda print_hextab,x
|
|
// [34] call print_char
|
|
// [47] phi from print_uchar::@1 to print_char [phi:print_uchar::@1->print_char]
|
|
// [47] phi print_char_cursor#29 = print_char_cursor#30 [phi:print_uchar::@1->print_char#0] -- register_copy
|
|
// [47] phi print_char::ch#3 = print_char::ch#2 [phi:print_uchar::@1->print_char#1] -- register_copy
|
|
jsr print_char
|
|
// print_uchar::@return
|
|
// }
|
|
// [35] return
|
|
rts
|
|
}
|
|
// print_ln
|
|
// Print a newline
|
|
print_ln: {
|
|
// [37] phi from print_ln print_ln::@1 to print_ln::@1 [phi:print_ln/print_ln::@1->print_ln::@1]
|
|
// [37] phi print_line_cursor#11 = print_line_cursor#21 [phi:print_ln/print_ln::@1->print_ln::@1#0] -- register_copy
|
|
// print_ln::@1
|
|
__b1:
|
|
// print_line_cursor + 0x28
|
|
// [38] print_line_cursor#0 = print_line_cursor#11 + $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)
|
|
// [39] if(print_line_cursor#0<print_char_cursor#30) 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
|
|
// }
|
|
// [40] 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 = 2
|
|
// [42] phi from memset to memset::@1 [phi:memset->memset::@1]
|
|
// [42] 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++)
|
|
// [43] 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
|
|
// }
|
|
// [44] return
|
|
rts
|
|
// memset::@2
|
|
__b2:
|
|
// *dst = c
|
|
// [45] *memset::dst#2 = memset::c#0 -- _deref_pbuz1=vbuc1
|
|
lda #c
|
|
ldy #0
|
|
sta (dst),y
|
|
// for(char* dst = str; dst!=end; dst++)
|
|
// [46] memset::dst#1 = ++ memset::dst#2 -- pbuz1=_inc_pbuz1
|
|
inc.z dst
|
|
bne !+
|
|
inc.z dst+1
|
|
!:
|
|
// [42] phi from memset::@2 to memset::@1 [phi:memset::@2->memset::@1]
|
|
// [42] phi memset::dst#2 = memset::dst#1 [phi:memset::@2->memset::@1#0] -- register_copy
|
|
jmp __b1
|
|
}
|
|
// print_char
|
|
// Print a single char
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|
// void print_char(__register(A) char ch)
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|
print_char: {
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|
// *(print_char_cursor++) = ch
|
|
// [48] *print_char_cursor#29 = print_char::ch#3 -- _deref_pbuz1=vbuaa
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|
ldy #0
|
|
sta (print_char_cursor),y
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|
// *(print_char_cursor++) = ch;
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|
// [49] print_char_cursor#30 = ++ print_char_cursor#29 -- pbuz1=_inc_pbuz1
|
|
inc.z print_char_cursor
|
|
bne !+
|
|
inc.z print_char_cursor+1
|
|
!:
|
|
// print_char::@return
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|
// }
|
|
// [50] return
|
|
rts
|
|
}
|
|
// File Data
|
|
.segment Data
|
|
print_hextab: .text "0123456789abcdef"
|
|
files: .fill 2*$a, 0
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|
|