diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index db3d35783fb..d1ded33a6b0 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -734,32 +734,33 @@ fs_visitor::emit(enum opcode opcode)
 }
 
 fs_inst *
-fs_visitor::emit(enum opcode opcode, fs_reg dst)
+fs_visitor::emit(enum opcode opcode, const fs_reg &dst)
 {
    return emit(new(mem_ctx) fs_inst(opcode, dst));
 }
 
 fs_inst *
-fs_visitor::emit(enum opcode opcode, fs_reg dst, fs_reg src0)
+fs_visitor::emit(enum opcode opcode, const fs_reg &dst, const fs_reg &src0)
 {
    return emit(new(mem_ctx) fs_inst(opcode, dst, src0));
 }
 
 fs_inst *
-fs_visitor::emit(enum opcode opcode, fs_reg dst, fs_reg src0, fs_reg src1)
+fs_visitor::emit(enum opcode opcode, const fs_reg &dst, const fs_reg &src0,
+                 const fs_reg &src1)
 {
    return emit(new(mem_ctx) fs_inst(opcode, dst, src0, src1));
 }
 
 fs_inst *
-fs_visitor::emit(enum opcode opcode, fs_reg dst,
-                 fs_reg src0, fs_reg src1, fs_reg src2)
+fs_visitor::emit(enum opcode opcode, const fs_reg &dst, const fs_reg &src0,
+                 const fs_reg &src1, const fs_reg &src2)
 {
    return emit(new(mem_ctx) fs_inst(opcode, dst, src0, src1, src2));
 }
 
 fs_inst *
-fs_visitor::emit(enum opcode opcode, fs_reg dst,
+fs_visitor::emit(enum opcode opcode, const fs_reg &dst,
                  fs_reg src[], int sources)
 {
    return emit(new(mem_ctx) fs_inst(opcode, dst, src, sources));
diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h
index 906a1ddc660..3d0da23acf1 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_fs.h
@@ -290,12 +290,13 @@ public:
    void emit(exec_list list);
 
    fs_inst *emit(enum opcode opcode);
-   fs_inst *emit(enum opcode opcode, fs_reg dst);
-   fs_inst *emit(enum opcode opcode, fs_reg dst, fs_reg src0);
-   fs_inst *emit(enum opcode opcode, fs_reg dst, fs_reg src0, fs_reg src1);
-   fs_inst *emit(enum opcode opcode, fs_reg dst,
-                 fs_reg src0, fs_reg src1, fs_reg src2);
-   fs_inst *emit(enum opcode opcode, fs_reg dst,
+   fs_inst *emit(enum opcode opcode, const fs_reg &dst);
+   fs_inst *emit(enum opcode opcode, const fs_reg &dst, const fs_reg &src0);
+   fs_inst *emit(enum opcode opcode, const fs_reg &dst, const fs_reg &src0,
+                 const fs_reg &src1);
+   fs_inst *emit(enum opcode opcode, const fs_reg &dst,
+                 const fs_reg &src0, const fs_reg &src1, const fs_reg &src2);
+   fs_inst *emit(enum opcode opcode, const fs_reg &dst,
                  fs_reg src[], int sources);
 
    fs_inst *MOV(const fs_reg &dst, const fs_reg &src);