All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Alex Bennée" <alex.bennee@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: peter.maydell@linaro.org, laurent@vivier.eu,
	bharata@linux.vnet.ibm.com, andrew@andrewdutcher.com,
	aleksandar.markovic@imgtec.com, qemu-devel@nongnu.org,
	Aurelien Jarno <aurelien@aurel32.net>
Subject: Re: [Qemu-devel] [PATCH v1 16/19] fpu/softfloat: re-factor int/uint to float
Date: Fri, 05 Jan 2018 15:51:59 +0000	[thread overview]
Message-ID: <87incgcnhc.fsf@linaro.org> (raw)
In-Reply-To: <04791c4d-cc8a-c279-d1a8-8a86c9d470ac@linaro.org>


Richard Henderson <richard.henderson@linaro.org> writes:

> On 12/11/2017 04:57 AM, Alex Bennée wrote:
>> These are considerably simpler as the lower order integers can just
>> use the higher order conversion function. As the decomposed fractional
>> part is a full 64 bit rounding and inexact handling comes from the
>> pack functions.
>>
>> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
<snip>
>>
>>  static uint32_t uint32_pack_decomposed(decomposed_parts p, float_status *s)
>>  {
>>      uint64_t r = uint64_pack_decomposed(p, s);
>> -    return r > UINT32_MAX ? UINT32_MAX : r;
>> +    if (r > UINT32_MAX) {
>> +        s->float_exception_flags |= float_flag_invalid;
>> +        r = UINT32_MAX;
>> +    }
>> +    return r;
>>  }
>>
>>  #define F
>
> Ah, the fix for the bug in patch 15 got squashed into the wrong patch.
> ;-)

Hmm slip of the re-base... the fix has been moved.

>
>> +float16 int16_to_float16(int16_t a, float_status *status)
>> +{
>> +    return int64_to_float16((int64_t) a, status);
>> +}
>
> Kill all of the redundant casts?

Ack.

>
> Otherwise, as amended in your followup,
>
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
>
>
> r~


--
Alex Bennée

  reply	other threads:[~2018-01-05 15:52 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-11 12:56 [Qemu-devel] [PATCH v1 00/19] re-factor softfloat and add fp16 functions Alex Bennée
2017-12-11 12:56 ` [Qemu-devel] [PATCH v1 01/19] fpu/softfloat: implement float16_squash_input_denormal Alex Bennée
2017-12-11 12:56 ` [Qemu-devel] [PATCH v1 02/19] include/fpu/softfloat: implement float16_abs helper Alex Bennée
2017-12-15 11:35   ` Philippe Mathieu-Daudé
2017-12-11 12:56 ` [Qemu-devel] [PATCH v1 03/19] include/fpu/softfloat: implement float16_chs helper Alex Bennée
2017-12-18 21:41   ` Richard Henderson
2017-12-11 12:56 ` [Qemu-devel] [PATCH v1 04/19] include/fpu/softfloat: implement float16_set_sign helper Alex Bennée
2017-12-18 21:44   ` Richard Henderson
2017-12-19  7:31     ` Alex Bennée
2018-01-08 12:58       ` Alex Bennée
2018-01-08 20:25         ` Richard Henderson
2018-01-05 16:15     ` Philippe Mathieu-Daudé
2017-12-11 12:56 ` [Qemu-devel] [PATCH v1 05/19] include/fpu/softfloat: add some float16 contants Alex Bennée
2017-12-15 12:24   ` Alex Bennée
2017-12-15 13:37   ` Philippe Mathieu-Daudé
2017-12-18 21:50     ` Richard Henderson
2018-01-04 14:09       ` Alex Bennée
2018-01-04 15:05         ` Richard Henderson
2017-12-11 12:56 ` [Qemu-devel] [PATCH v1 06/19] fpu/softfloat: propagate signalling NaNs in MINMAX Alex Bennée
2017-12-18 21:53   ` Richard Henderson
2018-01-05 13:05     ` Alex Bennée
2017-12-11 12:56 ` [Qemu-devel] [PATCH v1 07/19] fpu/softfloat: improve comments on ARM NaN propagation Alex Bennée
2017-12-18 21:54   ` Richard Henderson
2017-12-11 12:56 ` [Qemu-devel] [PATCH v1 08/19] fpu/softfloat: move the extract functions to the top of the file Alex Bennée
2017-12-18 21:57   ` Richard Henderson
2017-12-11 12:56 ` [Qemu-devel] [PATCH v1 09/19] fpu/softfloat: define decompose structures Alex Bennée
2017-12-18 21:59   ` Richard Henderson
2017-12-11 12:56 ` [Qemu-devel] [PATCH v1 10/19] fpu/softfloat: re-factor add/sub Alex Bennée
2017-12-18 22:18   ` Richard Henderson
2017-12-11 12:56 ` [Qemu-devel] [PATCH v1 11/19] fpu/softfloat: re-factor mul Alex Bennée
2017-12-18 22:22   ` Richard Henderson
2017-12-11 12:56 ` [Qemu-devel] [PATCH v1 12/19] fpu/softfloat: re-factor div Alex Bennée
2017-12-18 22:26   ` Richard Henderson
2017-12-11 12:56 ` [Qemu-devel] [PATCH v1 13/19] fpu/softfloat: re-factor muladd Alex Bennée
2017-12-18 22:36   ` Richard Henderson
2017-12-11 12:57 ` [Qemu-devel] [PATCH v1 14/19] fpu/softfloat: re-factor round_to_int Alex Bennée
2017-12-18 22:41   ` Richard Henderson
2017-12-11 12:57 ` [Qemu-devel] [PATCH v1 15/19] fpu/softfloat: re-factor float to int/uint Alex Bennée
2017-12-18 22:54   ` Richard Henderson
2017-12-11 12:57 ` [Qemu-devel] [PATCH v1 16/19] fpu/softfloat: re-factor int/uint to float Alex Bennée
2017-12-12 17:21   ` Alex Bennée
2017-12-18 22:59   ` Richard Henderson
2018-01-05 15:51     ` Alex Bennée [this message]
2017-12-11 12:57 ` [Qemu-devel] [PATCH v1 17/19] fpu/softfloat: re-factor scalbn Alex Bennée
2017-12-18 23:00   ` Richard Henderson
2017-12-11 12:57 ` [Qemu-devel] [PATCH v1 18/19] fpu/softfloat: re-factor minmax Alex Bennée
2017-12-18 23:19   ` Richard Henderson
2017-12-11 12:57 ` [Qemu-devel] [PATCH v1 19/19] fpu/softfloat: re-factor compare Alex Bennée
2017-12-18 23:26   ` Richard Henderson
2017-12-11 13:42 ` [Qemu-devel] [PATCH v1 00/19] re-factor softfloat and add fp16 functions no-reply
2017-12-11 15:40   ` Alex Bennée

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87incgcnhc.fsf@linaro.org \
    --to=alex.bennee@linaro.org \
    --cc=aleksandar.markovic@imgtec.com \
    --cc=andrew@andrewdutcher.com \
    --cc=aurelien@aurel32.net \
    --cc=bharata@linux.vnet.ibm.com \
    --cc=laurent@vivier.eu \
    --cc=peter.maydell@linaro.org \
    --cc=qemu-devel@nongnu.org \
    --cc=richard.henderson@linaro.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.