i965: Use unreachable() to silence a compiler warning.

Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>

diff --git a/src/mesa/drivers/dri/i965/brw_reg.h b/src/mesa/drivers/dri/i965/brw_reg.h
index e9cf892..548d677 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_reg.h
+++ b/src/mesa/drivers/dri/i965/brw_reg.h
@@ -299,6 +299,7 @@ brw_vecn_reg(unsigned width, unsigned file, unsigned nr, unsigned subnr)
    default:
       assert(!"Invalid register width");
    }
+   unreachable();
 }
 
 static inline struct brw_reg