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| author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-12-02 08:35:37 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-12-02 08:35:37 +0000 |
| commit | ab801874f852312787c049272c20b14e06ed8195 (patch) | |
| tree | 1cfd38cfe48ed6a6625ce559ab7f3e5778a980be /archival/bz/compress.c | |
| parent | 8003e266edbc0ec62a586dd70dcc80dc13e2dbf0 (diff) | |
| download | busybox-ab801874f852312787c049272c20b14e06ed8195.tar.gz | |
attack the biggest stack users:
-mkfs_minix_main [busybox_unstripped]: 4288
-mkfs_minix_main [busybox_unstripped]: 4276
-grave [busybox_unstripped]: 4260
(bzip2 users too - not listed)
price we pay in code size increase:
mainSort 2458 2515 +57
grave 1005 1058 +53
sendMTFValues 2177 2195 +18
BZ2_blockSort 122 125 +3
mkfs_minix_main 3070 3022 -48
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/1 up/down: 131/-48) Total: 83 bytes
Diffstat (limited to 'archival/bz/compress.c')
| -rw-r--r-- | archival/bz/compress.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/archival/bz/compress.c b/archival/bz/compress.c index b72edbbd4..640b8872b 100644 --- a/archival/bz/compress.c +++ b/archival/bz/compress.c @@ -264,13 +264,16 @@ void sendMTFValues(EState* s) * are also globals only used in this proc. * Made global to keep stack frame size small. */ +#define code sendMTFValues__code +#define rfreq sendMTFValues__rfreq +#define len_pack sendMTFValues__len_pack uint16_t cost[BZ_N_GROUPS]; int32_t fave[BZ_N_GROUPS]; uint16_t* mtfv = s->mtfv; - alphaSize = s->nInUse+2; + alphaSize = s->nInUse + 2; for (t = 0; t < BZ_N_GROUPS; t++) for (v = 0; v < alphaSize; v++) s->len[t][v] = BZ_GREATER_ICOST; @@ -453,7 +456,7 @@ void sendMTFValues(EState* s) /* maxLen was changed from 20 to 17 in bzip2-1.0.3. See * comment in huffman.c for details. */ for (t = 0; t < nGroups; t++) - BZ2_hbMakeCodeLengths(&(s->len[t][0]), &(s->rfreq[t][0]), alphaSize, 17 /*20*/); + BZ2_hbMakeCodeLengths(s, &(s->len[t][0]), &(s->rfreq[t][0]), alphaSize, 17 /*20*/); } AssertH(nGroups < 8, 3002); @@ -602,6 +605,9 @@ void sendMTFValues(EState* s) selCtr++; } AssertH(selCtr == nSelectors, 3007); +#undef code +#undef rfreq +#undef len_pack } |