diff options
| author | Richard Henderson | 2018-10-12 01:41:57 +0200 |
|---|---|---|
| committer | David Gibson | 2018-11-08 02:04:40 +0100 |
| commit | 4f0da706c20146bf17bf444653b7afa1296fc777 (patch) | |
| tree | b1a8ce549d817fa90b91c1a0e5319aec888d97fe /target/ppc | |
| parent | target/ppc: Split out float_invalid_op_addsub (diff) | |
| download | qemu-4f0da706c20146bf17bf444653b7afa1296fc777.tar.gz qemu-4f0da706c20146bf17bf444653b7afa1296fc777.tar.xz qemu-4f0da706c20146bf17bf444653b7afa1296fc777.zip | |
target/ppc: Split out float_invalid_op_mul
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target/ppc')
| -rw-r--r-- | target/ppc/fpu_helper.c | 43 |
1 files changed, 20 insertions, 23 deletions
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 111ce12a37..ef251d062f 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -689,6 +689,17 @@ float64 helper_fsub(CPUPPCState *env, float64 arg1, float64 arg2) return ret; } +static void float_invalid_op_mul(CPUPPCState *env, bool set_fprc, + uintptr_t retaddr, int classes) +{ + if ((classes & (is_zero | is_inf)) == (is_zero | is_inf)) { + /* Multiplication of zero by infinity */ + float_invalid_op_vximz(env, set_fprc, retaddr); + } else if (classes & is_snan) { + float_invalid_op_vxsnan(env, retaddr); + } +} + /* fmul - fmul. */ float64 helper_fmul(CPUPPCState *env, float64 arg1, float64 arg2) { @@ -696,15 +707,9 @@ float64 helper_fmul(CPUPPCState *env, float64 arg1, float64 arg2) int status = get_float_exception_flags(&env->fp_status); if (unlikely(status & float_flag_invalid)) { - if ((float64_is_infinity(arg1) && float64_is_zero(arg2)) || - (float64_is_zero(arg1) && float64_is_infinity(arg2))) { - /* Multiplication of zero by infinity */ - float_invalid_op_vximz(env, 1, GETPC()); - } else if (float64_is_signaling_nan(arg1, &env->fp_status) || - float64_is_signaling_nan(arg2, &env->fp_status)) { - /* sNaN multiplication */ - float_invalid_op_vxsnan(env, GETPC()); - } + float_invalid_op_mul(env, 1, GETPC(), + float64_classify(arg1) | + float64_classify(arg2)); } return ret; @@ -1886,13 +1891,9 @@ 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_zero(xb.fld)) || \ - (tp##_is_infinity(xb.fld) && tp##_is_zero(xa.fld))) { \ - float_invalid_op_vximz(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_mul(env, sfprf, GETPC(), \ + tp##_classify(xa.fld) | \ + tp##_classify(xb.fld)); \ } \ \ if (r2sp) { \ @@ -1933,13 +1934,9 @@ void helper_xsmulqp(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_zero(xb.f128)) || - (float128_is_infinity(xb.f128) && float128_is_zero(xa.f128))) { - float_invalid_op_vximz(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_mul(env, 1, GETPC(), + float128_classify(xa.f128) | + float128_classify(xb.f128)); } helper_compute_fprf_float128(env, xt.f128); |