diff options
| -rw-r--r-- | archival/libarchive/bz/compress.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/archival/libarchive/bz/compress.c b/archival/libarchive/bz/compress.c index 4d0f775..fc6af65 100644 --- a/archival/libarchive/bz/compress.c +++ b/archival/libarchive/bz/compress.c @@ -90,10 +90,23 @@ void bsW16(EState* s, uint32_t v) } /* Same with n == 1: */ static +ALWAYS_INLINE /* one callsite */ +void bsW1_1(EState* s) +{ + /* need space for only 1 bit, no need for loop freeing > 8 bits */ + if (s->bsLive >= 8) { + *s->posZ++ = (uint8_t)(s->bsBuff >> 24); + s->bsBuff <<= 8; + s->bsLive -= 8; + } + s->bsBuff |= (1 << (31 - s->bsLive)); + s->bsLive += 1; +} +static #if CONFIG_BZIP2_FAST >= 5 ALWAYS_INLINE #endif -void bsW1(EState* s, uint32_t v) +void bsW1_0(EState* s) { /* need space for only 1 bit, no need for loop freeing > 8 bits */ if (s->bsLive >= 8) { @@ -101,7 +114,7 @@ void bsW1(EState* s, uint32_t v) s->bsBuff <<= 8; s->bsLive -= 8; } - s->bsBuff |= (v << (31 - s->bsLive)); + //s->bsBuff |= (0 << (31 - s->bsLive)); s->bsLive += 1; } @@ -573,8 +586,8 @@ void sendMTFValues(EState* s) for (i = 0; i < nSelectors; i++) { unsigned j; for (j = 0; j < s->selectorMtf[i]; j++) - bsW1(s, 1); - bsW1(s, 0); + bsW1_1(s); + bsW1_0(s); } /*--- Now the coding tables. ---*/ @@ -584,7 +597,7 @@ void sendMTFValues(EState* s) for (i = 0; i < alphaSize; i++) { while (curr < s->len[t][i]) { bsW(s, 2, 2); curr++; /* 10 */ }; while (curr > s->len[t][i]) { bsW(s, 2, 3); curr--; /* 11 */ }; - bsW1(s, 0); + bsW1_0(s); } } @@ -698,7 +711,7 @@ void BZ2_compressBlock(EState* s, int is_last_block) * so as to maintain backwards compatibility with * older versions of bzip2. */ - bsW1(s, 0); + bsW1_0(s); bsW(s, 24, s->origPtr); generateMTFValues(s); |