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target/mips: Raise a RI when given fs is n/a from CTC1 

Fix to raise a Reserved Instruction exception when given fs is not
available from CTC1.

Signed-off-by: Yongbok Kim <yongbok.kim@mips.com>
Reviewed-by: Aleksandar Markovic <aleksandar.markovic@mips.com>
Signed-off-by: Aleksandar Markovic <aleksandar.markovic@mips.com>
This commit is contained in:
Yongbok Kim 2018-06-20 13:05:46 +01:00 committed by Aleksandar Markovic
parent 4f91740698
commit f48a2cb218
1 changed files with 3 additions and 0 deletions
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3
target/mips/op_helper.c
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@ -2627,6 +2627,9 @@ void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t fs, uint32_t rt)
(env->active_fpu.fcr31 & ~(env->active_fpu.fcr31_rw_bitmask));
break;
default:
if (env->insn_flags & ISA_MIPS32R6) {
do_raise_exception(env, EXCP_RI, GETPC());
}
return;
}
restore_fp_status(env);