From: Richard Henderson <rth@twiddle.net>
To: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 6/7] target-tricore: Add cmp.f instruction
Date: Tue, 8 Mar 2016 09:42:46 -0500 [thread overview]
Message-ID: <56DEE4E6.2030005@twiddle.net> (raw)
In-Reply-To: <56DEA775.9000909@mail.uni-paderborn.de>
On 03/08/2016 05:20 AM, Bastian Koppelmann wrote:
> On 03/01/2016 07:21 PM, Richard Henderson wrote:
>> On 03/01/2016 08:24 AM, Bastian Koppelmann wrote:
>>> +
>>> + lt = float32_lt_quiet(arg1, arg2, &env->fp_status);
>>> + eq = float32_eq_quiet(arg1, arg2, &env->fp_status);
>>> + uo = float32_unordered(arg1, arg2, &env->fp_status);
>>
>> Do it in one step with float32_compare.
>> You don't want _quiet; see below re psw_flags.
>>
> Unfortunately, if I don't use _quiet my tests fail against real hardware...
Fail in what way? I don't think _quiet computes all of the bits you need.
r~
next prev parent reply other threads:[~2016-03-08 14:42 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-01 16:24 [Qemu-devel] [PATCH 0/7] TriCore FPU patches Bastian Koppelmann
2016-03-01 16:24 ` [Qemu-devel] [PATCH 1/7] target-tricore: Add FPU infrastructure Bastian Koppelmann
2016-03-01 17:46 ` Richard Henderson
2016-03-01 16:24 ` [Qemu-devel] [PATCH 2/7] target-tricore: Move general CHECK_REG_PAIR of decode_rrr_divide Bastian Koppelmann
2016-03-01 17:46 ` Richard Henderson
2016-03-01 16:24 ` [Qemu-devel] [PATCH 3/7] target-tricore: add add.f/sub.f instructions Bastian Koppelmann
2016-03-01 18:10 ` Richard Henderson
2016-03-01 16:24 ` [Qemu-devel] [PATCH 4/7] target-tricore: Add mul.f instruction Bastian Koppelmann
2016-03-01 16:24 ` [Qemu-devel] [PATCH 5/7] target-tricore: Add div.f instruction Bastian Koppelmann
2016-03-01 16:24 ` [Qemu-devel] [PATCH 6/7] target-tricore: Add cmp.f instruction Bastian Koppelmann
2016-03-01 18:21 ` Richard Henderson
2016-03-08 10:20 ` Bastian Koppelmann
2016-03-08 14:42 ` Richard Henderson [this message]
2016-03-08 15:07 ` Bastian Koppelmann
2016-03-08 15:11 ` Bastian Koppelmann
2016-03-08 15:37 ` Richard Henderson
2016-03-08 15:40 ` Bastian Koppelmann
2016-03-01 16:24 ` [Qemu-devel] [PATCH 7/7] target-tricore: Add ftoi and itof instructions Bastian Koppelmann
2016-03-01 18:26 ` Richard Henderson
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