From a097fcd099d2e2bb649a1de8e0e10909ac470770 Mon Sep 17 00:00:00 2001 From: root Date: Tue, 13 Nov 2007 08:17:38 +0000 Subject: unroll a bit for testing --- lzf_c.c | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-) diff --git a/lzf_c.c b/lzf_c.c index 5b42a36..554e996 100644 --- a/lzf_c.c +++ b/lzf_c.c @@ -160,10 +160,6 @@ lzf_compress (const void *const in_data, unsigned int in_len, if (expect_false (op + lit + 1 + 3 >= out_end)) return 0; - do - len++; - while (len < maxlen && ref[len] == ip[len]); - if (lit) { *op++ = lit - 1; @@ -173,6 +169,27 @@ lzf_compress (const void *const in_data, unsigned int in_len, while (++lit); } + for (;;) + { + if (expect_true (ip < in_end - 2 - 8 && maxlen > 8)) + { + len++; if (ref [len] != ip [len]) break; + len++; if (ref [len] != ip [len]) break; + len++; if (ref [len] != ip [len]) break; + len++; if (ref [len] != ip [len]) break; + len++; if (ref [len] != ip [len]) break; + len++; if (ref [len] != ip [len]) break; + len++; if (ref [len] != ip [len]) break; + len++; if (ref [len] != ip [len]) break; + } + + do + len++; + while (len < maxlen && ref[len] == ip[len]); + + break; + } + len -= 2; ip++; -- cgit v1.2.3