4 files changed, 14 insertions, 9 deletions
diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h
index 37c4c87f87..5d531146c5 100644
--- a/src/gallium/auxiliary/draw/draw_private.h
+++ b/src/gallium/auxiliary/draw/draw_private.h
@@ -196,7 +196,7 @@ struct draw_context
 
       const float (*aligned_constants)[4];
 
-      float (*aligned_constant_storage)[4];
+      const float (*aligned_constant_storage)[4];
       unsigned const_storage_size;
 
 
diff --git a/src/gallium/auxiliary/draw/draw_vs_aos_io.c b/src/gallium/auxiliary/draw/draw_vs_aos_io.c
index 39f75b50b7..dd79bc799a 100644
--- a/src/gallium/auxiliary/draw/draw_vs_aos_io.c
+++ b/src/gallium/auxiliary/draw/draw_vs_aos_io.c
@@ -338,7 +338,7 @@ static void emit_store_R32G32B32A32( struct aos_compilation *cp,
 				     struct x86_reg dst_ptr,
 				     struct x86_reg dataXMM )
 {
-   sse_movups(cp->func, dst_ptr, dataXMM);
+   sse_movaps(cp->func, dst_ptr, dataXMM);
 }
 
 static void emit_store_R32G32B32( struct aos_compilation *cp, 
diff --git a/src/gallium/auxiliary/draw/draw_vs_exec.c b/src/gallium/auxiliary/draw/draw_vs_exec.c
index 44563803f9..79a19d6be2 100644
--- a/src/gallium/auxiliary/draw/draw_vs_exec.c
+++ b/src/gallium/auxiliary/draw/draw_vs_exec.c
@@ -46,6 +46,7 @@
 struct exec_vertex_shader {
    struct draw_vertex_shader base;
    struct tgsi_exec_machine *machine;
+   const struct tgsi_token *machine_tokens;
 };
 
 static struct exec_vertex_shader *exec_vertex_shader( struct draw_vertex_shader *vs )
@@ -62,12 +63,16 @@ vs_exec_prepare( struct draw_vertex_shader *shader,
 {
    struct exec_vertex_shader *evs = exec_vertex_shader(shader);
 
-   /* specify the vertex program to interpret/execute */
-   tgsi_exec_machine_bind_shader(evs->machine,
-				 shader->state.tokens,
-				 PIPE_MAX_SAMPLERS,
-				 NULL /*samplers*/ );
-
+   /* Specify the vertex program to interpret/execute.
+    * Avoid rebinding when possible.
+    */
+   if (evs->machine_tokens != shader->state.tokens) {
+      tgsi_exec_machine_bind_shader(evs->machine,
+                                    shader->state.tokens,
+                                    PIPE_MAX_SAMPLERS,
+                                    NULL /*samplers*/ );
+      evs->machine_tokens = shader->state.tokens;
+   }
 }
 
 
diff --git a/src/gallium/auxiliary/draw/draw_vs_sse.c b/src/gallium/auxiliary/draw/draw_vs_sse.c
index 0efabd9de8..b11ae31662 100644
--- a/src/gallium/auxiliary/draw/draw_vs_sse.c
+++ b/src/gallium/auxiliary/draw/draw_vs_sse.c
@@ -37,7 +37,7 @@
 
 #include "draw_vs.h"
 
-#if defined(PIPE_ARCH_X86)
+#if defined(PIPE_ARCH_X86) && defined(PIPE_ARCH_SSE)
 
 #include "pipe/p_shader_tokens.h"