diff options
Diffstat (limited to 'arch/mips/math-emu')
| -rw-r--r-- | arch/mips/math-emu/cp1emu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index 03e233223af7..08e6a74fbc95 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -709,6 +709,13 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx, u64 dval; int sig; + /* + * These are giving gcc a gentle hint about what to expect in + * dec_inst in order to do better optimization. + */ + if (!cpu_has_mmips && dec_insn.micro_mips_mode) + unreachable(); + /* XXX NEC Vr54xx bug workaround */ if (delay_slot(xcp)) { if (dec_insn.micro_mips_mode) { |