Index: linux-2.4.35.4/arch/mips/kernel/branch.c =================================================================== --- linux-2.4.35.4.orig/arch/mips/kernel/branch.c +++ linux-2.4.35.4/arch/mips/kernel/branch.c @@ -170,7 +170,7 @@ int __compute_return_epc(struct pt_regs bit = (insn.i_format.rt >> 2); bit += (bit != 0); bit += 23; - switch (insn.i_format.rt) { + switch (insn.i_format.rt & 3) { case 0: /* bc1f */ case 2: /* bc1fl */ if (~fcr31 & (1 << bit))