[Pixman] [PATCH 3/6] mmx: remove unnecessary uint64_t<->__m64 conversions

[Matt Turner]

Loongson:
add_8888_8888 =  L1:  68.73  L2:  55.09  M: 25.39 ( 68.18%)  HT: 25.28 VT: 22.42  R: 20.74  RT: 13.26 ( 131Kops/s)
add_8888_8888 =  L1: 159.19  L2: 114.10  M: 30.74 ( 77.91%)  HT: 27.63 VT: 24.99  R: 24.61  RT: 14.49 ( 141Kops/s)

Signed-off-by: Matt Turner <mattst88 at gmail.com>
---
 pixman/pixman-mmx.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/pixman/pixman-mmx.c b/pixman/pixman-mmx.c
index 2ca3000..a2af1b6 100644
--- a/pixman/pixman-mmx.c
+++ b/pixman/pixman-mmx.c
@@ -2872,7 +2872,6 @@ mmx_composite_add_8888_8888 (pixman_implementation_t *imp,
                              pixman_composite_info_t *info)
 {
     PIXMAN_COMPOSITE_ARGS (info);
-    __m64 dst64;
     uint32_t    *dst_line, *dst;
     uint32_t    *src_line, *src;
     int dst_stride, src_stride;
@@ -2902,8 +2901,7 @@ mmx_composite_add_8888_8888 (pixman_implementation_t *imp,
 
 	while (w >= 2)
 	{
-	    dst64 = _mm_adds_pu8 (ldq_u((__m64 *)src), *(__m64*)dst);
-	    *(uint64_t*)dst = to_uint64 (dst64);
+	    *(__m64 *)dst = _mm_adds_pu8 (ldq_u((__m64 *)src), *(__m64*)dst);
 	    dst += 2;
 	    src += 2;
 	    w -= 2;
-- 
1.7.3.4