MIPS: Don't try to decode microMIPS branch instructions where they cannot exist.

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / mips / math-emu / cp1emu.c

diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index f037719..e773659 100644 (file)
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -471,6 +471,9 @@ int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
        unsigned int fcr31;
        unsigned int bit;
 
+       if (!cpu_has_mmips)
+               return 0;
+
        switch (insn.mm_i_format.opcode) {
        case mm_pool32a_op:
                if ((insn.mm_i_format.simmediate & MM_POOL32A_MINOR_MASK) ==