diff options
Diffstat (limited to 'target-ppc/fpu_helper.c')
| -rw-r--r-- | target-ppc/fpu_helper.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index eb56082c94..87ff60fc62 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -669,24 +669,28 @@ static inline uint64_t do_fri(CPUPPCState *env, uint64_t arg, if (unlikely(float64_is_signaling_nan(farg.d))) { /* sNaN round */ - farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN | - POWERPC_EXCP_FP_VXCVI, 1); - } else if (unlikely(float64_is_quiet_nan(farg.d) || - float64_is_infinity(farg.d))) { - /* qNan / infinity round */ - farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXCVI, 1); + fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1); + farg.ll = arg | 0x0008000000000000ul; } else { + int inexact = get_float_exception_flags(&env->fp_status) & + float_flag_inexact; set_float_rounding_mode(rounding_mode, &env->fp_status); farg.ll = float64_round_to_int(farg.d, &env->fp_status); /* Restore rounding mode from FPSCR */ fpscr_set_rounding_mode(env); + + /* fri* does not set FPSCR[XX] */ + if (!inexact) { + env->fp_status.float_exception_flags &= ~float_flag_inexact; + } } + helper_float_check_status(env); return farg.ll; } uint64_t helper_frin(CPUPPCState *env, uint64_t arg) { - return do_fri(env, arg, float_round_nearest_even); + return do_fri(env, arg, float_round_ties_away); } uint64_t helper_friz(CPUPPCState *env, uint64_t arg) |