i965: add brw_vecn_grf()

Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Reviewed-by: Matt Turner <mattst88@gmail.com>
diff --git a/src/mesa/drivers/dri/i965/brw_reg.h b/src/mesa/drivers/dri/i965/brw_reg.h
index 8907c9c..1fa2595 100644
--- a/src/mesa/drivers/dri/i965/brw_reg.h
+++ b/src/mesa/drivers/dri/i965/brw_reg.h
@@ -722,6 +722,12 @@
    return brw_vec16_reg(BRW_GENERAL_REGISTER_FILE, nr, subnr);
 }
 
+static inline struct brw_reg
+brw_vecn_grf(unsigned width, unsigned nr, unsigned subnr)
+{
+   return brw_vecn_reg(width, BRW_GENERAL_REGISTER_FILE, nr, subnr);
+}
+
 
 static inline struct brw_reg
 brw_uw8_grf(unsigned nr, unsigned subnr)