From eb237c82a053a7390e2ef39c650bf5addbf5af57 Mon Sep 17 00:00:00 2001
From: malc <av1474@comtv.ru>
Date: Tue, 17 Feb 2009 02:43:57 +0300
Subject: [PATCH] Make FPU version run fast

---
 skin.c | 49 ++++++++++++++++++++-----------------------------
 tbs    |  3 ++-
 2 files changed, 22 insertions(+), 30 deletions(-)

diff --git a/skin.c b/skin.c
index f3e1cf6..8209e7e 100644
--- a/skin.c
+++ b/skin.c
@@ -321,37 +321,28 @@ static void translate (State *s, float *vdst, float *ndst)
     for (i = 0; i < s->num_vertices; ++i,
              vsrc += 3, nsrc += 3, vdst += 3, ndst += 3, ++skin)
     {
-        if (skin->num_bones == 1) {
-            b = &s->bones[skin->boneindices[0]];
+        float v[3] = {0,0,0}, n[3] = {0,0,0}, v0[4], v1[4], w;
 
-            mapply_to_point (vdst, b->cm, vsrc);
-            mapply_to_vector (ndst, b->cm, nsrc);
-        }
-        else
-        {
-            float v[3] = {0,0,0}, n[3] = {0,0,0}, v0[4], v1[4], w;
-
-            for (j = 0; j < skin->num_bones; ++j) {
-                w = skin->weights[j];
-                b = &s->bones[skin->boneindices[j]];
-
-                mapply_to_point (v1, b->cm, vsrc);
-                v1[0] *= w;
-                v1[1] *= w;
-                v1[2] *= w;
-
-                mapply_to_vector (v0, b->cm, nsrc);
-                v0[0] *= w;
-                v0[1] *= w;
-                v0[2] *= w;
-
-                vaddto (v, v1);
-                vaddto (n, v0);
-            }
-
-            vcopy (vdst, v);
-            vcopy (ndst, n);
+        for (j = 0; j < skin->num_bones; ++j) {
+            w = skin->weights[j];
+            b = &s->bones[skin->boneindices[j]];
+
+            mapply_to_point (v1, b->cm, vsrc);
+            v1[0] *= w;
+            v1[1] *= w;
+            v1[2] *= w;
+
+            mapply_to_vector (v0, b->cm, nsrc);
+            v0[0] *= w;
+            v0[1] *= w;
+            v0[2] *= w;
+
+            vaddto (v, v1);
+            vaddto (n, v0);
         }
+
+        vcopy (vdst, v);
+        vcopy (ndst, n);
     }
 #endif
 
diff --git a/tbs b/tbs
index 74be2f6..9fd9f24 100644
--- a/tbs
+++ b/tbs
@@ -27,9 +27,10 @@ ccopt="-O"
 test $(hostname) = "linmac" && {
     cc="$HOME/x/dev/gcc-4.3.0/bin/gcc";
     ccopt="-Wall -Werror -Wextra -O3 -mabi=altivec -maltivec -Wno-unused-function";
-    ccopt="$ccopt -fprefetch-loop-arrays -mtune=7450 -mcpu=7450 -funroll-all-loops"
+    ccopt="$ccopt -fprefetch-loop-arrays -mtune=power6 -mcpu=G4 -funroll-all-loops"
     ccopt="$ccopt -ftree-loop-linear -ftree-vectorize"
 #    ccopt="$ccopt -DUSE_ALTIVEC"
+    ccopt="$ccopt -DTIMING"
 }
 
 targets="dormin"
-- 
2.11.4.GIT