i965/vs: Fix constant vector construction.

Fixes some issues noticed in glsl-vs-all-01.

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index 91abd40..8ee4884 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -1391,10 +1391,10 @@ vec4_visitor::visit(ir_constant *ir)
       return;
    }
 
-   for (int i = 0; i < ir->type->vector_elements; i++) {
-      this->result = src_reg(this, ir->type);
-      dst_reg dst = dst_reg(this->result);
+   this->result = src_reg(this, ir->type);
+   dst_reg dst = dst_reg(this->result);
 
+   for (int i = 0; i < ir->type->vector_elements; i++) {
       dst.writemask = 1 << i;
 
       switch (ir->type->base_type) {