Fixes for MIPS OpenBSD systems (from Per Fogelstrom

<pefo@openbsd.org>)

From-SVN: r13910

gcc/config.guess

@@ -70,17 +70,23 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     amiga:OpenBSD:*:*)
 	echo m68k-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
-    arc:OpenBSD:*:*)
+    arc64:OpenBSD:*:*)
 	echo mips64el-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
-    laguna:OpenBSD:*:*)
-	echo mips64-unknown-openbsd${UNAME_RELEASE}
+    arc:OpenBSD:*:*)
+	echo mipsel-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    hkmips:OpenBSD:*:*)
+	echo mips-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
     pmax:OpenBSD:*:*)
-	echo mips64el-unknown-openbsd${UNAME_RELEASE}
+	echo mipsel-unknown-openbsd${UNAME_RELEASE}
+	exit 0 ;;
+    sgi:OpenBSD:*:*)
+	echo mips-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
     wgrisc:OpenBSD:*:*)
-	echo mips64el-unknown-openbsd${UNAME_RELEASE}
+	echo mipsel-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
 	echo arm-acorn-riscix${UNAME_RELEASE}