mips.c (mips_loongson_ext2_prefetch_cookie): Handle unused argument better.

	* config/mips/mips.c (mips_loongson_ext2_prefetch_cookie): Handle
	unused argument better.  Add gcc_unreachable to silence warning.

From-SVN: r265986

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e0225c58ffb988f3b186e2a35b3dfd816e334724..b7f3b71d8970ea77eab5417e0b9d7e1d73b4d107 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2018-11-09  Jeff Law  <law@redhat.com>
+
+       * config/mips/mips.c (mips_loongson_ext2_prefetch_cookie): Handle
+       unused argument better.  Add gcc_unreachable to silence warning.
+
 2018-11-09  Martin Sebor  <msebor@redhat.com>
 
        PR middle-end/81824

diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index d78e2056ec2b2f833b3e6f27372af083a5d101ee..17a2a66956e6aadc2cdb659f8a7d03048725cdc6 100644 (file)
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -15155,7 +15155,7 @@ mips_prefetch_cookie (rtx write, rtx locality)
    (prefetch for store), other hint just scale to hint = 0 and hint = 1.  */
 
 rtx
-mips_loongson_ext2_prefetch_cookie (rtx write, rtx locality)
+mips_loongson_ext2_prefetch_cookie (rtx write, rtx)
 {
   /* store.  */
   if (INTVAL (write) == 1)
@@ -15164,6 +15164,8 @@ mips_loongson_ext2_prefetch_cookie (rtx write, rtx locality)
   /* load.  */
   if (INTVAL (write) == 0)
     return GEN_INT (INTVAL (write));
+
+  gcc_unreachable ();
 }
 
 \f