diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8e41f5b5c53..ee27e99b2c7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 2015-11-21  Nathan Sidwell  <nathan@acm.org>
 
+	* config/nvptx/nvptx.md (clz<mode>2): Use operand 1 for type.
+
 	* config/nvptx/nvptx.c (write_function_decl_and_comment): Print
 	leading blank line.
 	(write_func_decl_from_insn): Likewise.
diff --git a/gcc/config/nvptx/nvptx.md b/gcc/config/nvptx/nvptx.md
index aa9f5f63089..c95d147ecf9 100644
--- a/gcc/config/nvptx/nvptx.md
+++ b/gcc/config/nvptx/nvptx.md
@@ -731,7 +731,7 @@
   [(set (match_operand:SI 0 "nvptx_register_operand" "=R")
 	(clz:SI (match_operand:SDIM 1 "nvptx_register_operand" "R")))]
   ""
-  "%.\\tclz.b%T0\\t%0, %1;")
+  "%.\\tclz.b%T1\\t%0, %1;")
 
 (define_expand "ctz<mode>2"
   [(set (match_operand:SI 0 "nvptx_register_operand" "")