bc: make all function pointers FAST_FUNC, on i486 this saves ~400 bytes
function old new delta
bc_num_rem 91 95 +4
bc_num_inv 53 56 +3
bc_num_d 569 572 +3
bc_num_printDigits 136 137 +1
bc_program_assign 486 485 -1
dc_lex_token 684 682 -2
bc_vec_pop 27 25 -2
bc_vec_npop 55 53 -2
bc_program_read 335 333 -2
bc_program_print 713 711 -2
bc_parse_parse 462 460 -2
bc_lex_token 1280 1278 -2
bc_num_printChar 27 24 -3
bc_num_binary 150 147 -3
dc_parse_parse 59 55 -4
bc_vm_run 630 626 -4
bc_num_printHex 71 67 -4
bc_num_divmod 155 150 -5
bc_vec_free 24 18 -6
bc_string_free 15 9 -6
bc_num_free 15 9 -6
bc_id_free 15 9 -6
bc_parse_free 53 46 -7
bc_program_scale 8 - -8
bc_num_r 245 237 -8
bc_func_free 35 27 -8
bc_result_free 57 46 -11
bc_num_a 454 443 -11
bc_num_sub 77 65 -12
bc_num_add 77 65 -12
bc_program_modexp 736 723 -13
bc_num_s 252 239 -13
bc_num_mul 62 49 -13
bc_num_mod 62 49 -13
bc_num_div 62 49 -13
bc_num_pow 47 31 -16
bc_program_exec 4081 4059 -22
bc_num_printNum 514 489 -25
bc_num_p 478 445 -33
bc_program_len 34 - -34
bc_program_num 963 925 -38
bc_num_k 988 944 -44
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 4/36 up/down: 11/-416) Total: -405 bytes
text data bss dec hex filename
984536 485 7296 992317 f243d busybox_old
984131 485 7296 991912 f22a8 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>