From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 26 Sep 2008 23:57:01 +0000 (-0600)
Subject: cell: stub-out sin/cos function bodies to avoid trashing caller's stack for now
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=55b65d3b42b8ba1ea1c5b5549b4629f3b20e7a97;p=mesa.git

cell: stub-out sin/cos function bodies to avoid trashing caller's stack for now
---

diff --git a/src/gallium/drivers/cell/spu/spu_funcs.c b/src/gallium/drivers/cell/spu/spu_funcs.c
index d1749565187..b57ad3f3b81 100644
--- a/src/gallium/drivers/cell/spu/spu_funcs.c
+++ b/src/gallium/drivers/cell/spu/spu_funcs.c
@@ -49,17 +49,27 @@
 static vector float
 spu_cos(vector float x)
 {
+#if 0
    static const float scale = 1.0 / (2.0 * M_PI);
    x = x * spu_splats(scale); /* normalize */
    return _cos8_v(x);
+#else
+   /* just pass-through to avoid trashing caller's stack */
+   return x;
+#endif
 }
 
 static vector float
 spu_sin(vector float x)
 {
+#if 0
    static const float scale = 1.0 / (2.0 * M_PI);
    x = x * spu_splats(scale); /* normalize */
    return _sin8_v(x);   /* 8-bit accuracy enough?? */
+#else
+   /* just pass-through to avoid trashing caller's stack */
+   return x;
+#endif
 }