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| author | Denys Vlasenko | 2019-01-09 11:17:19 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2019-01-09 11:17:19 +0100 |
| commit | cfc2546ea4be9828acf936231386edc404cb502f (patch) | |
| tree | 9a085f6f17dd54a458604b78d55d91f8e588136f /miscutils | |
| parent | a1698a15dc93e429732d513ecfa3f1be723b51c5 (diff) | |
| download | busybox-cfc2546ea4be9828acf936231386edc404cb502f.zip busybox-cfc2546ea4be9828acf936231386edc404cb502f.tar.gz | |
bc: code shrink
function old new delta
xc_parse_pushInst_and_Index - 16 +16
zbc_parse_expr 1818 1816 -2
xc_parse_pushIndex 65 61 -4
zbc_parse_pushSTR 63 58 -5
zbc_parse_name 448 442 -6
xc_parse_pushNUM 74 67 -7
zdc_parse_expr 479 470 -9
bc_parse_pushJUMP_ZERO 21 12 -9
bc_parse_pushJUMP 21 12 -9
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/8 up/down: 16/-51) Total: -35 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils')
| -rw-r--r-- | miscutils/bc.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c index a343128..7fecb26 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -3497,11 +3497,11 @@ static BC_STATUS zdc_lex_token(void) #define zdc_lex_token(...) (zdc_lex_token(__VA_ARGS__) COMMA_SUCCESS) #endif // ENABLE_DC -static void xc_parse_push(char i) +static void xc_parse_push(unsigned i) { BcVec *code = &G.prs.func->code; dbg_compile("%s:%d pushing bytecode %zd:%d", __func__, __LINE__, code->len, i); - bc_vec_pushByte(code, i); + bc_vec_pushByte(code, (uint8_t)i); } static void xc_parse_pushName(char *name) @@ -3556,17 +3556,21 @@ static void xc_parse_pushIndex(size_t idx) } while (idx != 0); } +static void xc_parse_pushInst_and_Index(unsigned inst, size_t idx) +{ + xc_parse_push(inst); + xc_parse_pushIndex(idx); +} + #if ENABLE_BC static void bc_parse_pushJUMP(size_t idx) { - xc_parse_push(BC_INST_JUMP); - xc_parse_pushIndex(idx); + xc_parse_pushInst_and_Index(BC_INST_JUMP, idx); } static void bc_parse_pushJUMP_ZERO(size_t idx) { - xc_parse_push(BC_INST_JUMP_ZERO); - xc_parse_pushIndex(idx); + xc_parse_pushInst_and_Index(BC_INST_JUMP_ZERO, idx); } static BC_STATUS zbc_parse_pushSTR(void) @@ -3574,8 +3578,7 @@ static BC_STATUS zbc_parse_pushSTR(void) BcParse *p = &G.prs; char *str = xstrdup(p->lex_strnumbuf.v); - xc_parse_push(XC_INST_STR); - xc_parse_pushIndex(p->func->strs.len); + xc_parse_pushInst_and_Index(XC_INST_STR, p->func->strs.len); bc_vec_push(&p->func->strs, &str); RETURN_STATUS(zxc_lex_next()); @@ -3594,8 +3597,7 @@ static void xc_parse_pushNUM(void) #else // DC size_t idx = bc_vec_push(&G.prog.consts, &num); #endif - xc_parse_push(XC_INST_NUM); - xc_parse_pushIndex(idx); + xc_parse_pushInst_and_Index(XC_INST_NUM, idx); } static BC_STATUS zxc_parse_text_init(const char *text) @@ -3815,8 +3817,7 @@ static BC_STATUS zbc_parse_params(uint8_t flags) } } - xc_parse_push(BC_INST_CALL); - xc_parse_pushIndex(nparams); + xc_parse_pushInst_and_Index(BC_INST_CALL, nparams); RETURN_STATUS(BC_STATUS_SUCCESS); } @@ -4934,8 +4935,7 @@ static void dc_parse_string(void) dbg_lex_enter("%s:%d entered", __func__, __LINE__); str = xstrdup(p->lex_strnumbuf.v); - xc_parse_push(XC_INST_STR); - xc_parse_pushIndex(len); + xc_parse_pushInst_and_Index(XC_INST_STR, len); bc_vec_push(&G.prog.strs, &str); // Explanation needed here |