From f6cb7f3e7382a19a6d6d9990c243ffb8a666182d Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sun, 13 Mar 2016 05:30:01 +0100 Subject: Optimisations MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- src/zlsh.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'src/zlsh.c') diff --git a/src/zlsh.c b/src/zlsh.c index 2a76fbc..3daa01d 100644 --- a/src/zlsh.c +++ b/src/zlsh.c @@ -8,11 +8,11 @@ zlsh(z_t a, z_t b, size_t bits) size_t i, chars, cbits; zahl_char_t carry[] = {0, 0}; - if (zzero(b)) { + if (EXPECT(zzero(b), 0)) { SET_SIGNUM(a, 0); return; } - if (!bits) { + if (EXPECT(!bits, 0)) { SET(a, b); return; } @@ -22,14 +22,14 @@ zlsh(z_t a, z_t b, size_t bits) cbits = BITS_PER_CHAR - bits; ENSURE_SIZE(a, b->used + chars); - if (a == b) + if (EXPECT(a == b, 1)) zmemmove(a->chars + chars, b->chars, b->used); else zmemcpy(a->chars + chars, b->chars, b->used); zmemset(a->chars, 0, chars); a->used = b->used + chars; - if (bits) { /* This if statement is very important in C. */ + if (EXPECT(bits, 1)) { /* This if statement is very important in C. */ for (i = chars; i < a->used; i++) { carry[~i & 1] = a->chars[i] >> cbits; a->chars[i] <<= bits; -- cgit v1.2.3-70-g09d2