diff options
Diffstat (limited to 'kernel/arch/mips/math-emu/cp1emu.c')
| -rw-r--r-- | kernel/arch/mips/math-emu/cp1emu.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/arch/mips/math-emu/cp1emu.c b/kernel/arch/mips/math-emu/cp1emu.c index 32f0e19a0..734a2c766 100644 --- a/kernel/arch/mips/math-emu/cp1emu.c +++ b/kernel/arch/mips/math-emu/cp1emu.c @@ -445,9 +445,11 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, case spec_op: switch (insn.r_format.func) { case jalr_op: - regs->regs[insn.r_format.rd] = - regs->cp0_epc + dec_insn.pc_inc + - dec_insn.next_pc_inc; + if (insn.r_format.rd != 0) { + regs->regs[insn.r_format.rd] = + regs->cp0_epc + dec_insn.pc_inc + + dec_insn.next_pc_inc; + } /* Fall through */ case jr_op: /* For R6, JR already emulated in jalr_op */ |