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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

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