diff options
Diffstat (limited to 'src/zxor.c')
| -rw-r--r-- | src/zxor.c | 9 |
1 files changed, 4 insertions, 5 deletions
@@ -7,13 +7,13 @@ zxor(z_t a, z_t b, z_t c) { size_t n, m; - if (zzero(b)) { + if (EXPECT(zzero(b), 0)) { if (zzero(c)) SET_SIGNUM(a, 0); else SET(a, c); return; - } else if (zzero(c)) { + } else if (EXPECT(zzero(c), 0)) { SET(a, b); return; } @@ -28,7 +28,7 @@ zxor(z_t a, z_t b, z_t c) zmemcpy(a->chars + n, c->chars + n, m - n); while (n--) a->chars[n] ^= c->chars[n]; - } else if (a == c) { + } else if (EXPECT(a == c, 0)) { if (c->used < b->used) zmemcpy(a->chars + n, b->chars + n, m - n); while (n--) @@ -44,8 +44,7 @@ zxor(z_t a, z_t b, z_t c) } a->used = m; - while (a->used && !a->chars[a->used - 1]) - a->used--; + TRIM(a); if (a->used) SET_SIGNUM(a, 1 - 2 * ((zsignum(b) ^ zsignum(c)) < 0)); else |