Age | Commit message (Collapse) | Author |
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_lex_whitespace 52 41 -11
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_program_index 66 64 -2
bc_parse_expr_empty_ok 1840 1838 -2
dc_main 176 168 -8
bc_main 73 65 -8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-20) Total: -20 bytes
text data bss dec hex filename
980327 485 7296 988108 f13cc busybox_old
980307 485 7296 988088 f13b8 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_vm_run 433 423 -10
zbc_vm_file 187 174 -13
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-23) Total: -23 bytes
text data bss dec hex filename
980350 485 7296 988131 f13e3 busybox_old
980327 485 7296 988108 f13cc busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_read_line 129 124 -5
bc_vm_run 523 433 -90
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-95) Total: -95 bytes
text data bss dec hex filename
980445 485 7296 988226 f1442 busybox_old
980350 485 7296 988131 f13e3 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_vm_run 500 523 +23
bc_vec_concat 66 - -66
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/0 up/down: 23/-66) Total: -43 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_vm_run 514 513 -1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_vm_run 534 514 -20
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_vm_run 592 534 -58
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
zbc_lex_next 81 1930 +1849
bc_parse_create 131 124 -7
common_parse_init 31 - -31
zdc_lex_token 672 - -672
zbc_lex_token 1193 - -1193
------------------------------------------------------------------------------
(add/remove: 0/3 grow/shrink: 1/1 up/down: 1849/-1903) Total: -54 bytes
text data bss dec hex filename
980634 485 7296 988415 f14ff busybox_old
980580 485 7296 988361 f14c9 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
zbc_program_asciify - 372 +372
zcommon_parse - 341 +341
zbc_program_printStream - 141 +141
zbc_program_pushArray - 111 +111
zbc_program_nquit - 92 +92
zbc_vm_process 61 63 +2
zbc_parse_text 122 123 +1
bc_vm_run 591 592 +1
zdc_parse_mem 108 107 -1
zbc_parse_operator 175 174 -1
zbc_parse_else 133 132 -1
zbc_parse_body 104 103 -1
zbc_program_read 261 259 -2
zdc_parse_register 40 37 -3
zbc_parse_string 100 97 -3
zbc_parse_endBody 343 339 -4
zdc_parse_expr 688 680 -8
zbc_parse_auto 198 188 -10
zbc_parse_name 414 401 -13
common_parse_init 45 31 -14
zdc_parse_parse 23 - -23
bc_parse_create 158 131 -27
zbc_parse_stmt 1540 1502 -38
bc_parse_expr_empty_ok 1882 1840 -42
zbc_program_exec 3963 3837 -126
zbc_parse_parse 311 - -311
zbc_program_modexp 556 - -556
------------------------------------------------------------------------------
(add/remove: 5/3 grow/shrink: 3/16 up/down: 1061/-1184) Total: -123 bytes
text data bss dec hex filename
980757 485 7296 988538 f157a busybox_old
980634 485 7296 988415 f14ff busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_read_line 147 129 -18
bc_vm_run 618 591 -27
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-45) Total: -45 bytes
text data bss dec hex filename
980802 485 7296 988583 f15a7 busybox_old
980757 485 7296 988538 f157a busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This wasn't working correctly:
$ echo -ne '10 20+p' | dc
30
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_program_exec 3876 - -3876
zbc_program_exec - 3963 +3963
bc_program_execStr 429 - -429
zbc_program_execStr - 427 +427
bc_vm_file 197 - -197
zbc_vm_file - 187 +187
bc_vm_process 74 - -74
zbc_vm_process - 61 +61
bc_parse_pushIndex 66 68 +2
bc_vm_run 624 618 -6
dc_main 187 176 -11
bc_program_reset 64 - -64
zbc_program_pushArray 111 - -111
------------------------------------------------------------------------------
(add/remove: 4/6 grow/shrink: 1/2 up/down: 4640/-4768) Total: -128 bytes
text data bss dec hex filename
980922 485 7296 988703 f161f busybox_old
980794 485 7296 988575 f159f busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_parse_pushIndex 80 68 -12
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_parse_name 416 - -416
zbc_parse_name - 414 +414
bc_parse_parse 305 - -305
zbc_parse_parse - 311 +311
bc_program_read 271 - -271
zbc_program_read - 261 +261
bc_parse_text 129 - -129
zbc_parse_text - 122 +122
dc_parse_parse 26 - -26
zdc_parse_parse - 23 +23
bc_program_index 66 64 -2
bc_vm_process 92 74 -18
bc_program_execStr 460 429 -31
bc_parse_expr_empty_ok 1939 1882 -57
------------------------------------------------------------------------------
(add/remove: 5/5 grow/shrink: 0/4 up/down: 1131/-1255) Total: -124 bytes
text data bss dec hex filename
981058 485 7296 988839 f16a7 busybox_old
980934 485 7296 988715 f162b busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_parse_stmt 1594 - -1594
zbc_parse_stmt - 1540 +1540
common_parse_expr 43 - -43
zcommon_parse_expr - 40 +40
bc_parse_expr 24 - -24
zbc_parse_expr - 24 +24
zbc_parse_body 108 104 -4
bc_program_read 277 271 -6
bc_program_execStr 468 460 -8
bc_parse_expr_empty_ok 1955 1939 -16
bc_parse_name 451 416 -35
bc_parse_parse 476 305 -171
------------------------------------------------------------------------------
(add/remove: 3/3 grow/shrink: 0/6 up/down: 1604/-1901) Total: -297 bytes
text data bss dec hex filename
981355 485 7296 989136 f17d0 busybox_old
981058 485 7296 988839 f16a7 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
dc_parse_expr 748 - -748
zdc_parse_expr - 688 +688
bc_parse_endBody 338 - -338
zbc_parse_endBody - 343 +343
bc_parse_auto 201 - -201
zbc_parse_auto - 198 +198
dc_parse_mem 115 - -115
zdc_parse_mem - 108 +108
bc_parse_body 116 - -116
zbc_parse_body - 108 +108
bc_parse_string 102 - -102
zbc_parse_string - 100 +100
dc_parse_register 43 - -43
zdc_parse_register - 40 +40
common_parse_expr 40 43 +3
bc_parse_parse 321 476 +155
bc_parse_stmt 1598 1594 -4
dc_parse_parse 44 26 -18
bc_parse_reset 153 - -153
------------------------------------------------------------------------------
(add/remove: 7/8 grow/shrink: 2/2 up/down: 1743/-1838) Total: -95 bytes
text data bss dec hex filename
981450 485 7296 989231 f182f busybox_old
981355 485 7296 989136 f17d0 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_lex_token 1228 - -1228
zbc_lex_token - 1193 +1193
dc_lex_token 674 - -674
zdc_lex_token - 672 +672
bc_parse_operator 177 - -177
zbc_parse_operator - 175 +175
bc_parse_else 133 - -133
zbc_parse_else - 133 +133
bc_lex_next 91 - -91
zbc_lex_next - 81 +81
dc_parse_expr 744 748 +4
bc_parse_string 100 102 +2
bc_parse_body 114 116 +2
dc_parse_mem 116 115 -1
bc_parse_text 130 129 -1
dc_parse_register 51 43 -8
bc_parse_endBody 358 338 -20
bc_parse_name 513 451 -62
bc_parse_auto 265 201 -64
bc_parse_expr_empty_ok 2032 1955 -77
bc_parse_parse 417 321 -96
bc_parse_stmt 1753 1598 -155
------------------------------------------------------------------------------
(add/remove: 5/5 grow/shrink: 3/9 up/down: 2262/-2787) Total: -525 bytes
text data bss dec hex filename
981975 485 7296 989756 f1a3c busybox_old
981450 485 7296 989231 f182f busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_num_cmp 275 231 -44
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_program_exec 3918 3876 -42
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-42) Total: -42 bytes
text data bss dec hex filename
982061 485 7296 989842 f1a92 busybox_old
982019 485 7296 989800 f1a68 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_vm_run 622 624 +2
dc_main 186 187 +1
bc_main 72 73 +1
bc_program_read 312 277 -35
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/1 up/down: 4/-35) Total: -31 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_parse_expr_empty_ok 2036 2032 -4
bc_parse_stmt 1767 1753 -14
bc_lex_token 1259 1228 -31
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-49) Total: -49 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
common_parse_init 26 45 +19
dc_parse_init 17 - -17
bc_parse_init 17 - -17
bc_vm_init 744 725 -19
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 1/1 up/down: 19/-53) Total: -34 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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$ bc -q
read()
2^D^D2
^ prints the result of read()'ed expression
function old new delta
zbc_program_print 629 642 +13
bc_program_read 322 312 -10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 13/-10) Total: 3 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
zbc_program_print 665 642 -23
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
zbc_program_assign 448 447 -1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function optimizations
With direct calls, GCC no longer thinks that we take addresses of the functions,
and can use "more optimal" internal ABI for _all_ calls to these functions,
not only at this callsite. On i486, regparm is used, and:
function old new delta
zbc_num_inv 56 57 +1
zbc_num_k 852 851 -1
zbc_program_modexp 558 556 -2
zbc_num_d 541 539 -2
bc_num_ulong2num 59 57 -2
zbc_program_num 840 836 -4
bc_num_zero 11 7 -4
bc_num_one 28 24 -4
bc_program_exec 3928 3918 -10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/8 up/down: 1/-29) Total: -28 bytes
text data bss dec hex filename
982237 485 7296 990018 f1b42 busybox_old
982209 485 7296 989990 f1b26 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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In order for magic macros to work, a bit of reordering was necessary.
function old new delta
zbc_program_modexp - 558 +558
zbc_program_assign - 448 +448
zbc_program_pushArray - 111 +111
zbc_num_s 239 237 -2
zbc_num_d 543 541 -2
zbc_num_binary 145 143 -2
zbc_num_a 443 441 -2
zbc_num_rem 95 91 -4
zbc_num_divmod 150 146 -4
zbc_num_m 269 257 -12
zbc_num_r 230 208 -22
zbc_num_printNum 447 417 -30
bc_program_exec 3960 3928 -32
zbc_num_p 434 399 -35
zbc_program_num 880 840 -40
zbc_num_k 913 852 -61
zbc_program_printStream 141 - -141
bc_program_assign 455 - -455
bc_program_modexp 668 - -668
------------------------------------------------------------------------------
(add/remove: 3/3 grow/shrink: 0/13 up/down: 1117/-1512) Total: -395 bytes
text data bss dec hex filename
982632 485 7296 990413 f1ccd busybox_old
982237 485 7296 990018 f1b42 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
zbc_lex_number 279 190 -89
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_program_pushVar 200 198 -2
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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is not generated
Most affected functions shrink by 2 bytes on x86.
function old new delta
zbc_program_num - 880 +880
zbc_program_print - 665 +665
zbc_num_printNum - 447 +447
zbc_program_call - 323 +323
zbc_program_copyToVar - 287 +287
zbc_lex_number - 279 +279
zbc_program_binOpPrep - 269 +269
zbc_program_assignStr - 142 +142
zbc_program_printStream - 141 +141
zbc_func_insert - 93 +93
zbc_num_ulong - 88 +88
zbc_program_prep - 79 +79
zbc_num_shift - 53 +53
bc_num_shift 54 - -54
bc_program_prep 81 - -81
bc_num_ulong 90 - -90
bc_func_insert 95 - -95
bc_program_printStream 143 - -143
bc_program_assignStr 144 - -144
bc_program_binOpPrep 271 - -271
bc_lex_number 281 - -281
bc_program_copyToVar 289 - -289
bc_program_call 325 - -325
bc_num_printNum 471 - -471
bc_program_print 667 - -667
bc_program_num 880 - -880
------------------------------------------------------------------------------
(add/remove: 13/13 grow/shrink: 0/0 up/down: 3746/-3791) Total: -45 bytes
text data bss dec hex filename
982779 485 7296 990560 f1d60 busybox_old
982734 485 7296 990515 f1d33 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_program_exec 3920 3969 +49
bc_program_call 329 325 -4
bc_vm_run 622 616 -6
bc_program_modexp 677 668 -9
bc_program_assign 471 455 -16
bc_program_pushArray 113 - -113
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/4 up/down: 49/-148) Total: -99 bytes
text data bss dec hex filename
982872 485 7296 990653 f1dbd busybox_old
982773 485 7296 990554 f1d5a busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Gigabyte-long names are not a practical concern.
function old new delta
bc_lex_name 73 69 -4
bc_lex_token 1266 1259 -7
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-11) Total: -11 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_program_assign 475 471 -4
bc_program_prep 87 81 -6
bc_parse_parse 423 417 -6
bc_num_p 440 434 -6
bc_program_printStream 153 143 -10
bc_program_execStr 478 468 -10
bc_parse_auto 275 265 -10
bc_num_k 925 913 -12
bc_program_copyToVar 307 289 -18
bc_program_binOpPrep 289 271 -18
bc_num_printNum 489 471 -18
bc_num_m 287 269 -18
bc_program_pushArray 139 113 -26
bc_program_modexp 707 677 -30
bc_program_print 704 667 -37
bc_program_exec 4010 3920 -90
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/16 up/down: 0/-319) Total: -319 bytes
text data bss dec hex filename
983202 485 7296 990983 f1f07 busybox_old
982883 485 7296 990664 f1dc8 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_num_s 235 239 +4
bc_lex_next 92 91 -1
dc_parse_register 53 51 -2
dc_parse_parse 46 44 -2
bc_vm_run 624 622 -2
bc_program_assignStr 146 144 -2
bc_parse_else 135 133 -2
bc_parse_body 116 114 -2
bc_num_a 445 443 -2
bc_func_insert 97 95 -2
bc_program_pushVar 203 200 -3
bc_parse_text 133 130 -3
bc_error_bad_character 17 14 -3
bc_error 14 11 -3
bc_program_printStream 157 153 -4
bc_program_prep 91 87 -4
bc_program_copyToVar 311 307 -4
bc_num_ulong 95 90 -5
bc_num_p 445 440 -5
bc_program_print 711 704 -7
bc_parse_endBody 365 358 -7
bc_num_r 237 230 -7
bc_num_d 550 543 -7
dc_lex_token 682 674 -8
bc_program_pushArray 147 139 -8
bc_program_assign 485 475 -10
bc_program_read 333 322 -11
bc_lex_token 1278 1266 -12
bc_parse_stmt 1780 1767 -13
bc_program_modexp 723 707 -16
dc_parse_expr 762 744 -18
bc_program_execStr 496 478 -18
bc_program_call 347 329 -18
bc_vm_file 219 197 -22
bc_program_binOpPrep 311 289 -22
bc_parse_name 539 513 -26
bc_parse_parse 451 423 -28
bc_program_num 912 880 -32
bc_read_line 172 139 -33
bc_program_exec 4048 4010 -38
bc_parse_auto 313 275 -38
bc_parse_expr_empty_ok 2095 2036 -59
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/41 up/down: 4/-509) Total: -505 bytes
text data bss dec hex filename
983707 485 7296 991488 f2100 busybox_old
983202 485 7296 990983 f1f07 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bc_program_num 925 912 -13
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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