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2018-12-14bc: shrink internal libraryDenys Vlasenko
function old new delta bc_lib 1674 1618 -56 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-14bc: group ENABLE_BC code a bit better, no logic changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-13bc: fix "dc only" bugDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-13bc: unbreak "only bc" and "only dc" configsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-13bc: simplify bc_lex_whitespace()Denys Vlasenko
function old new delta bc_lex_whitespace 52 41 -11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-13bc: G.sbgn and G.send are unused, remove themDenys Vlasenko
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>
2018-12-13bc: simplify filename saving in zbc_vm_file()Denys Vlasenko
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>
2018-12-13bc: do not append duplicate NUL, reduce indentation in bc_read_line()Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-13bc: change bc_read_line() and zbc_vm_stdin() to avoid double buffersDenys Vlasenko
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>
2018-12-13bc: further simplification in zbc_vm_stdin()Denys Vlasenko
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>
2018-12-13bc: fix another thinkoDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-13bc: fix a thinko: dc uses [] string delimiters, bot bc!Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-13bc: fix comment handlingDenys Vlasenko
function old new delta bc_vm_run 514 513 -1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-13bc: further zbc_vm_stdin() optimizationsDenys Vlasenko
function old new delta bc_vm_run 534 514 -20 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-13bc: shrink zbc_vm_stdin()Denys Vlasenko
function old new delta bc_vm_run 592 534 -58 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-13bc: trim config help text, add a few comments, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-12bc: unbreak CONFIG_FEATURE_BC_SIGNALS=y configDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-12bc: remove lexer function pointerDenys Vlasenko
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>
2018-12-12bc: remove parse function pointerDenys Vlasenko
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>
2018-12-12bc: convert two more functions to "z" logicDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-12bc: remove BC_STATUS_EOF (again), the condition is detectable as len==0Denys Vlasenko
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>
2018-12-12dc: fix EOF handling in case of last line being incompleteDenys Vlasenko
This wasn't working correctly: $ echo -ne '10 20+p' | dc 30 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-12bc: further conversions to "z" logicDenys Vlasenko
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>
2018-12-12bc: optimize bc_parse_pushIndex()Denys Vlasenko
function old new delta bc_parse_pushIndex 80 68 -12 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-12bc: convert even more of lexer functions to "z" conventionDenys Vlasenko
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>
2018-12-12bc: convert even more of lexer functions to "z" conventionDenys Vlasenko
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>
2018-12-12bc: convert more of lexer functions to "z" conventionDenys Vlasenko
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>
2018-12-12bc: partially convert lexer functions to "z" conventionDenys Vlasenko
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>
2018-12-12bc: code shrink in bc_num_cmp()Denys Vlasenko
function old new delta bc_num_cmp 275 231 -44 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-12bc: simplify zbc_program_logical()Denys Vlasenko
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>
2018-12-12bc: simplify nested read() checkDenys Vlasenko
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>
2018-12-11bc: in non-interactive config, POSIX error functions never return nonzeroDenys Vlasenko
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>
2018-12-11bc: use common_parse_init() in bc_vm_init()Denys Vlasenko
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>
2018-12-11bc: fix EOF handling in bc_program_read()Denys Vlasenko
$ 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>
2018-12-11bc: tweak commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-11bc: convert bc_program_asciify to "z" functionDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-11bc: shrink bc_program_printStringDenys Vlasenko
function old new delta zbc_program_print 665 642 -23 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-11bc: convert zbc_program_op to "z" function, fix a thinko in prev commitsDenys Vlasenko
function old new delta zbc_program_assign 448 447 -1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-11bc: convert bc_program_logical to "z" functionDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-11bc: do not use "(cond ? f1 : f2)(params)" idiom, it messes up static ↵Denys Vlasenko
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>
2018-12-11bc: convert arithmetic calc functions to "z" logicDenys Vlasenko
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>
2018-12-11bc: rename arithmetic calc functions to "z" functions, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-11bc: move declarations around, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-11bc: code shrink in zbc_lex_number()Denys Vlasenko
function old new delta zbc_lex_number 279 190 -89 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-11bc: make bc_program_pushVar "z-function"Denys Vlasenko
function old new delta bc_program_pushVar 200 198 -2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-11bc: improve "noninteractive" macro machinery so that even "return zero" code ↵Denys Vlasenko
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>
2018-12-10bc: it's not clear bc_vm_file() always exits on errors, remove ERRORS_ARE_FATALDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-10bc: more ERRORS_ARE_FATAL annotationsDenys Vlasenko
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>
2018-12-10bc: stop checking for name length in bc_lex_name()Denys Vlasenko
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>
2018-12-10bc: optimize non-interactive config: we know that many functions always succeedDenys Vlasenko
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>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 03:43:08 +0000