diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2018-10-11 16:41:58 -0700 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2018-11-08 12:04:40 +1100 |
| commit | fec59ef30c329625f97844460713322172e423c7 (patch) | |
| tree | ec67503766722f1c560e4f5bcfa6acaecdb83cf3 /target/ppc/fpu_helper.c | |
| parent | 4f0da706c20146bf17bf444653b7afa1296fc777 (diff) | |
target/ppc: Split out float_invalid_op_div
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target/ppc/fpu_helper.c')
| -rw-r--r-- | target/ppc/fpu_helper.c | 52 |
1 files changed, 24 insertions, 28 deletions
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index ef251d062f..127c08bcec 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -715,6 +715,21 @@ float64 helper_fmul(CPUPPCState *env, float64 arg1, float64 arg2) return ret; } +static void float_invalid_op_div(CPUPPCState *env, bool set_fprc, + uintptr_t retaddr, int classes) +{ + classes &= ~is_neg; + if (classes == is_inf) { + /* Division of infinity by infinity */ + float_invalid_op_vxidi(env, set_fprc, retaddr); + } else if (classes == is_zero) { + /* Division of zero by zero */ + float_invalid_op_vxzdz(env, set_fprc, retaddr); + } else if (classes & is_snan) { + float_invalid_op_vxsnan(env, retaddr); + } +} + /* fdiv - fdiv. */ float64 helper_fdiv(CPUPPCState *env, float64 arg1, float64 arg2) { @@ -723,18 +738,9 @@ float64 helper_fdiv(CPUPPCState *env, float64 arg1, float64 arg2) if (unlikely(status)) { if (status & float_flag_invalid) { - /* Determine what kind of invalid operation was seen. */ - if (float64_is_infinity(arg1) && float64_is_infinity(arg2)) { - /* Division of infinity by infinity */ - float_invalid_op_vxidi(env, 1, GETPC()); - } else if (float64_is_zero(arg1) && float64_is_zero(arg2)) { - /* Division of zero by zero */ - float_invalid_op_vxzdz(env, 1, GETPC()); - } else if (float64_is_signaling_nan(arg1, &env->fp_status) || - float64_is_signaling_nan(arg2, &env->fp_status)) { - /* sNaN division */ - float_invalid_op_vxsnan(env, GETPC()); - } + float_invalid_op_div(env, 1, GETPC(), + float64_classify(arg1) | + float64_classify(arg2)); } if (status & float_flag_divbyzero) { float_zero_divide_excp(env, GETPC()); @@ -1969,14 +1975,9 @@ void helper_##op(CPUPPCState *env, uint32_t opcode) \ env->fp_status.float_exception_flags |= tstat.float_exception_flags; \ \ if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { \ - if (tp##_is_infinity(xa.fld) && tp##_is_infinity(xb.fld)) { \ - float_invalid_op_vxidi(env, sfprf, GETPC()); \ - } else if (tp##_is_zero(xa.fld) && tp##_is_zero(xb.fld)) { \ - float_invalid_op_vxzdz(env, sfprf, GETPC()); \ - } else if (tp##_is_signaling_nan(xa.fld, &tstat) || \ - tp##_is_signaling_nan(xb.fld, &tstat)) { \ - float_invalid_op_vxsnan(env, GETPC()); \ - } \ + float_invalid_op_div(env, sfprf, GETPC(), \ + tp##_classify(xa.fld) | \ + tp##_classify(xb.fld)); \ } \ if (unlikely(tstat.float_exception_flags & float_flag_divbyzero)) { \ float_zero_divide_excp(env, GETPC()); \ @@ -2020,14 +2021,9 @@ void helper_xsdivqp(CPUPPCState *env, uint32_t opcode) env->fp_status.float_exception_flags |= tstat.float_exception_flags; if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { - if (float128_is_infinity(xa.f128) && float128_is_infinity(xb.f128)) { - float_invalid_op_vxidi(env, 1, GETPC()); - } else if (float128_is_zero(xa.f128) && float128_is_zero(xb.f128)) { - float_invalid_op_vxzdz(env, 1, GETPC()); - } else if (float128_is_signaling_nan(xa.f128, &tstat) || - float128_is_signaling_nan(xb.f128, &tstat)) { - float_invalid_op_vxsnan(env, GETPC()); - } + float_invalid_op_div(env, 1, GETPC(), + float128_classify(xa.f128) | + float128_classify(xb.f128)); } if (unlikely(tstat.float_exception_flags & float_flag_divbyzero)) { float_zero_divide_excp(env, GETPC()); |