diff options
| author | Søren Sandmann Pedersen <sandmann@daimi.au.dk> | 2005-08-01 16:07:14 +0000 |
|---|---|---|
| committer | Søren Sandmann Pedersen <sandmann@daimi.au.dk> | 2005-08-01 16:07:14 +0000 |
| commit | 78d51253e229bcb428039911d80a5d89d4bf4491 (patch) | |
| tree | 9ec439d30a2820b098a4240d3c8db7baeec3e9a1 | |
| parent | fd84b3b56280ef88a8c848c4338f0bea906ce6d8 (diff) | |
Fri Jul 29 17:20:53 2005 Søren Sandmann <sandmann@redhat.com>
Fix rounding bug.
| -rw-r--r-- | fb/fbmmx.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fb/fbmmx.c b/fb/fbmmx.c index 849ea4364..21eb5f385 100644 --- a/fb/fbmmx.c +++ b/fb/fbmmx.c @@ -695,7 +695,8 @@ pix_multiply (__m64 a, __m64 b) __m64 res; res = _mm_mullo_pi16 (a, b); - res = _mm_add_pi16 (res, MC(4x0080)); + res = _mm_adds_pu16 (res, _mm_srli_pi16 (res, 8)); + res = _mm_adds_pu16 (res, MC(4x0080)); res = _mm_srli_pi16 (res, 8); return res; @@ -2379,7 +2380,7 @@ fbHaveMMX (void) { static Bool initialized = FALSE; static Bool mmx_present; - + if (!initialized) { unsigned int features = detectCPUFeatures(); |