From: Rudolf Polzer <divverent@xonotic.org>
Date: Thu, 1 Nov 2012 15:03:55 +0000 (+0100)
Subject: possibly better animation code by cobra__ (not tested)
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=7d38a75f21fd45ef5b9a701a10716a727677a1aa;p=xonotic%2Fdarkplaces.git

possibly better animation code by cobra__ (not tested)
---

diff --git a/mod_skeletal_animatevertices_sse.c b/mod_skeletal_animatevertices_sse.c
index 648ab31a..254848bc 100644
--- a/mod_skeletal_animatevertices_sse.c
+++ b/mod_skeletal_animatevertices_sse.c
@@ -308,18 +308,19 @@ void Mod_Skeletal_AnimateVertices_SSE(const dp_model_t * RESTRICT model, const f
 
 #define TRANSFORM_VECTOR(in, out) { \
 		__m128 vin = _mm_loadu_ps(in); \
-		\
+		__m128 z1 = _mm_movehl_ps(vin, vin); \
+		__m128 vinxy = _mm_unpacklo_ps(vin, vin); \
 		/* x */ \
-		__m128 x = _mm_shuffle_ps(vin, vin, 0x0); \
+		__m128 x = _mm_movelh_ps(vinxy, vinxy); \
 		__m128 t1 = _mm_mul_ps(x, m1); \
 		\
 		/* y, + x */ \
-		__m128 y = _mm_shuffle_ps(vin, vin, 0x55); \
+		__m128 y = _mm_movehl_ps(vinxy, vinxy); \
 		__m128 t2 = _mm_mul_ps(y, m2); \
+		__m128 z = _mm_unpacklo_ps(z1, z1); \
 		__m128 t3 = _mm_add_ps(t1, t2); \
 		\
 		/* nz, + (ny + nx) */ \
-		__m128 z = _mm_shuffle_ps(vin, vin, 0xaa); \
 		__m128 t4 = _mm_mul_ps(z, m3); \
 		__m128 vout = _mm_add_ps(t3, t4); \
 		_mm_storeu_ps((out), vout); \
@@ -443,4 +444,4 @@ void Mod_Skeletal_AnimateVertices_SSE(const dp_model_t * RESTRICT model, const f
 #undef TRANSFORM_VECTOR_SCALAR
 }
 
-#endif
+#endif
\ No newline at end of file