i965: added brw_same_reg()

diff --git a/src/mesa/drivers/dri/i965/brw_eu.h b/src/mesa/drivers/dri/i965/brw_eu.h
index c94889ab1c5617c5d7a3fb1fcf517dcf7309340e..d05f2e6c410c590c0fe22132890687200d9a17be 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_eu.h
+++ b/src/mesa/drivers/dri/i965/brw_eu.h
@@ -730,6 +730,13 @@ static INLINE struct brw_indirect brw_indirect( GLuint addr_subnr, GLint offset
    return ptr;
 }
 
+/** Do two brw_regs refer to the same register? */
+static INLINE GLboolean
+brw_same_reg(struct brw_reg r1, struct brw_reg r2)
+{
+   return r1.file == r2.file && r1.nr == r2.nr;
+}
+
 static INLINE struct brw_instruction *current_insn( struct brw_compile *p)
 {
    return &p->store[p->nr_insn];