Upstream handles Octeon only for Linux targets; the generic -elf*
target still needs traditional MIPS BFD vectors.

Index: bfd/config.bfd
--- bfd/config.bfd.orig
+++ bfd/config.bfd
@@ -938,6 +938,14 @@ case "${targ}" in
     targ_defvec=mips_elf32_trad_be_vec
     targ_selvecs="mips_elf32_trad_le_vec mips_elf32_ntrad_be_vec mips_elf32_ntrad_le_vec mips_elf64_trad_be_vec mips_elf64_trad_le_vec"
     ;;
+  mipsisa64*el-*-elf*)
+    targ_defvec=mips_elf32_trad_le_vec
+    targ_selvecs="mips_elf32_trad_be_vec mips_elf32_ntrad_be_vec mips_elf32_ntrad_le_vec mips_elf64_trad_be_vec mips_elf64_trad_le_vec"
+    ;;
+  mipsisa64*-*-elf*)
+    targ_defvec=mips_elf32_trad_be_vec
+    targ_selvecs="mips_elf32_trad_le_vec mips_elf32_ntrad_be_vec mips_elf32_ntrad_le_vec mips_elf64_trad_be_vec mips_elf64_trad_le_vec"
+    ;;
   mips*el-*-elf* | mips*-*-chorus*)
     targ_defvec=mips_elf32_le_vec
     targ_selvecs="mips_elf32_be_vec mips_elf64_be_vec mips_elf64_le_vec"
