From: Chen Gang <chengang@emindsoft.com.cn>
To: Richard Henderson <rth@twiddle.net>,
Peter Maydell <peter.maydell@linaro.org>,
Chris Metcalf <cmetcalf@ezchip.com>
Cc: chenwei@emindsoft.com.cn, qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH v3 2/4] target-tilegx: Add single floating point implementation
Date: Tue, 22 Dec 2015 02:54:34 +0800 [thread overview]
Message-ID: <56784AEA.1030007@emindsoft.com.cn> (raw)
In-Reply-To: <5678145A.2030408@twiddle.net>
On 12/21/15 23:01, Richard Henderson wrote:
> On 12/20/2015 07:30 AM, Chen Gang wrote:
>> And we have to still check TILEGX_F_CALC_CVT, for they are really two
>> different format: TILEGX_F_CALC_CVT has no HBIT, but TILEGX_F_CALC_NCVT
>> has HBIT (which we need process it specially).
>
> The both do, in that you re-normalize to produce that HBIT.
> That's the whole point.
>
Oh, yes.
But all together, we want to normalize the float value in fsingle_pack2,
so we can not use float64_to_float32(), it assumes the input is already
normalized (if we can let the input normalized, we will return directly).
Thanks.
--
Chen Gang (陈刚)
Open, share, and attitude like air, water, and life which God blessed
next prev parent reply other threads:[~2015-12-21 18:51 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <56698865.8050901@emindsoft.com.cn>
2015-12-10 14:13 ` [Qemu-devel] [PATCH v3 1/4] target-tilegx: Add floating point shared functions Chen Gang
2015-12-10 14:15 ` [Qemu-devel] [PATCH v3 2/4] target-tilegx: Add single floating point implementation Chen Gang
2015-12-10 17:15 ` Richard Henderson
2015-12-10 20:18 ` Richard Henderson
2015-12-10 22:15 ` Chen Gang
2015-12-22 22:29 ` Chen Gang
2015-12-10 22:14 ` Chen Gang
2015-12-20 15:30 ` Chen Gang
2015-12-21 15:01 ` Richard Henderson
2015-12-21 18:54 ` Chen Gang [this message]
2015-12-22 2:00 ` Richard Henderson
2015-12-10 14:15 ` [Qemu-devel] [PATCH v3 3/4] target-tilegx: Add double " Chen Gang
2015-12-10 21:17 ` Richard Henderson
2015-12-11 23:38 ` Chen Gang
2015-12-12 0:41 ` Richard Henderson
2015-12-12 2:45 ` Chen Gang
2015-12-10 14:16 ` [Qemu-devel] [PATCH v3 4/4] target-tilegx: Integrate floating pointer implementation Chen Gang
2015-12-10 21:37 ` Richard Henderson
2015-12-10 21:44 ` Chen Gang
2015-12-10 14:26 ` [Qemu-devel] [PATCH v3 0/4] target-tilegx: Implement floating point instructions Chen Gang
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