diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6925928280bf47ad64b5a27e233ad59fd0a83a8d..919d3d720ab4265161d40681d68d33e424151f37 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2013-03-27  Walter Lee  <walt@tilera.com>
+
+	* config/tilegx/tilegx.md (insn_v1mulu): Fix constraints on
+	input operands.
+	(insn_v1mulus): Ditto.
+	(insn_v2muls): Ditto.
+
 2013-03-27  Walter Lee  <walt@tilera.com>
 
 	* config/tilegx/tilegx.h (ASM_OUTPUT_ADDR_VEC_ELT): Delete
diff --git a/gcc/config/tilegx/tilegx.md b/gcc/config/tilegx/tilegx.md
index 09bcc5ab015f04d2847e9e360167a83c1a6e7d8b..9c6917059a1733447e01b165f8fa497aa293bb59 100644
--- a/gcc/config/tilegx/tilegx.md
+++ b/gcc/config/tilegx/tilegx.md
@@ -4762,8 +4762,8 @@
 
 (define_expand "insn_v1mulu"
   [(match_operand:DI 0 "register_operand" "")
-   (match_operand:DI 1 "reg_or_0_operand" "")
-   (match_operand:DI 2 "reg_or_0_operand" "")]
+   (match_operand:DI 1 "register_operand" "")
+   (match_operand:DI 2 "register_operand" "")]
   ""
 {
   tilegx_expand_builtin_vector_binop (gen_vec_widen_umult_lo_v8qi, V4HImode,
@@ -4792,8 +4792,8 @@
 
 (define_expand "insn_v1mulus"
   [(match_operand:DI 0 "register_operand" "")
-   (match_operand:DI 1 "reg_or_0_operand" "")
-   (match_operand:DI 2 "reg_or_0_operand" "")]
+   (match_operand:DI 1 "register_operand" "")
+   (match_operand:DI 2 "register_operand" "")]
   ""
 {
   tilegx_expand_builtin_vector_binop (gen_vec_widen_usmult_lo_v8qi, V4HImode,
@@ -4820,8 +4820,8 @@
 
 (define_expand "insn_v2muls"
   [(match_operand:DI 0 "register_operand" "")
-   (match_operand:DI 1 "reg_or_0_operand" "")
-   (match_operand:DI 2 "reg_or_0_operand" "")]
+   (match_operand:DI 1 "register_operand" "")
+   (match_operand:DI 2 "register_operand" "")]
   ""
 {
   tilegx_expand_builtin_vector_binop (gen_vec_widen_smult_lo_v4qi, V2SImode,