diff options
| -rw-r--r-- | target/ppc/fpu_helper.c | 29 | ||||
| -rw-r--r-- | target/ppc/helper.h | 2 |
2 files changed, 15 insertions, 16 deletions
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 7758372ecd..44f3fed17d 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -858,25 +858,24 @@ uint64_t helper_frsp(CPUPPCState *env, uint64_t arg) } /* fsqrt - fsqrt. */ -uint64_t helper_fsqrt(CPUPPCState *env, uint64_t arg) +float64 helper_fsqrt(CPUPPCState *env, float64 arg) { - CPU_DoubleU farg; - - farg.ll = arg; + float64 ret = float64_sqrt(arg, &env->fp_status); + int status = get_float_exception_flags(&env->fp_status); - if (unlikely(float64_is_any_nan(farg.d))) { - if (unlikely(float64_is_signaling_nan(farg.d, &env->fp_status))) { - /* sNaN reciprocal square root */ - float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1); - farg.ll = float64_snan_to_qnan(farg.ll); + if (unlikely(status & float_flag_invalid)) { + if (unlikely(float64_is_any_nan(arg))) { + if (unlikely(float64_is_signaling_nan(arg, &env->fp_status))) { + /* sNaN square root */ + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1); + } + } else { + /* Square root of a negative nonzero number */ + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSQRT, 1); } - } else if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) { - /* Square root of a negative nonzero number */ - farg.ll = float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSQRT, 1); - } else { - farg.d = float64_sqrt(farg.d, &env->fp_status); } - return farg.ll; + + return ret; } /* fre - fre. */ diff --git a/target/ppc/helper.h b/target/ppc/helper.h index d81806dd2c..7ed72c2337 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -93,7 +93,7 @@ DEF_HELPER_4(fmadd, i64, env, i64, i64, i64) DEF_HELPER_4(fmsub, i64, env, i64, i64, i64) DEF_HELPER_4(fnmadd, i64, env, i64, i64, i64) DEF_HELPER_4(fnmsub, i64, env, i64, i64, i64) -DEF_HELPER_2(fsqrt, i64, env, i64) +DEF_HELPER_2(fsqrt, f64, env, f64) DEF_HELPER_2(fre, i64, env, i64) DEF_HELPER_2(fres, i64, env, i64) DEF_HELPER_2(frsqrte, i64, env, i64) |