From: Matheus Bernardino <matheus.bernardino@oss.qualcomm.com>
To: Taylor Simpson <ltaylorsimpson@gmail.com>
Cc: qemu-devel@nongnu.org, brian.cain@oss.qualcomm.com, ale@rev.ng,
anjo@rev.ng, marco.liebel@oss.qualcomm.com, philmd@linaro.org,
quic_mburton@quicinc.com, sid.manning@oss.qualcomm.com
Subject: Re: [PATCH 06/13] target/hexagon: add v68 HVX IEEE float misc insns
Date: Tue, 24 Mar 2026 17:25:23 -0300 [thread overview]
Message-ID: <CABrGZ+E58Vv5L_fdrFD5QRZT0=6-2ZXSpNT-tLV6=CnKAF1kbQ@mail.gmail.com> (raw)
In-Reply-To: <CAATN3NpxMXer5jUD=kpf7aYK8QXRMcxjhzdZXDvPtix=UYK1HA@mail.gmail.com>
On Mon, Mar 23, 2026 at 6:08 PM Taylor Simpson <ltaylorsimpson@gmail.com> wrote:
>
>
>
> On Mon, Mar 23, 2026 at 7:15 AM Matheus Tavares Bernardino <matheus.bernardino@oss.qualcomm.com> wrote:
>>
>> Add HVX IEEE floating-point miscellaneous instructions:
>> - vassign_fp (vfmv): vector move
>> - vfneg_hf, vfneg_sf: vector floating-point negate
>> - vabs_hf, vabs_sf: vector absolute value
>>
>> Signed-off-by: Matheus Tavares Bernardino <matheus.bernardino@oss.qualcomm.com>
>> ---
>> target/hexagon/mmvec/kvx_ieee.h | 3 +++
>> target/hexagon/imported/mmvec/encode_ext.def | 7 +++++++
>> target/hexagon/imported/mmvec/ext.idef | 14 ++++++++++++++
>> 3 files changed, 24 insertions(+)
>>
>> diff --git a/target/hexagon/mmvec/kvx_ieee.h b/target/hexagon/mmvec/kvx_ieee.h
>> index 78f546eb8e..263feb7e94 100644
>> --- a/target/hexagon/mmvec/kvx_ieee.h
>> +++ b/target/hexagon/mmvec/kvx_ieee.h
>> @@ -13,6 +13,9 @@
>> #define FP32_DEF_NAN 0x7FFFFFFF
>> #define FP16_DEF_NAN 0x7FFF
>>
>> +#define signF32UI(a) ((bool)((uint32_t)(a) >> 31))
>> +#define signF16UI(a) ((bool)((uint16_t)(a) >> 15))
>
>
> Use softfloat routines here
> !float32_is_neg
> !float16_is_neg
>
> Actually, these aren't needed. See below.
Ah, good idea, thanks!
next prev parent reply other threads:[~2026-03-24 20:26 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-23 13:15 [PATCH 00/13] hexagon: add missing HVX float instructions Matheus Tavares Bernardino
2026-03-23 13:15 ` [PATCH 01/13] tests/docker: Update hexagon cross toolchain to 22.1.0 Matheus Tavares Bernardino
2026-03-23 13:15 ` [PATCH 02/13] target/hexagon: fix incorrect/too-permissive HVX encodings Matheus Tavares Bernardino
2026-03-23 19:21 ` Taylor Simpson
2026-03-23 13:15 ` [PATCH 03/13] target/hexagon/cpu: add HVX IEEE FP extension Matheus Tavares Bernardino
2026-03-23 19:32 ` Taylor Simpson
2026-03-24 16:52 ` Matheus Bernardino
2026-03-24 18:48 ` Taylor Simpson
2026-03-24 19:20 ` Brian Cain
2026-03-24 19:46 ` Taylor Simpson
2026-03-23 13:15 ` [PATCH 04/13] target/hexagon: add v68 HVX IEEE float arithmetic insns Matheus Tavares Bernardino
2026-03-23 20:28 ` Taylor Simpson
2026-03-24 19:30 ` Matheus Bernardino
2026-03-24 19:51 ` Taylor Simpson
2026-03-24 19:59 ` Matheus Bernardino
2026-03-25 1:18 ` Taylor Simpson
2026-03-23 13:15 ` [PATCH 05/13] target/hexagon: add v68 HVX IEEE float min/max insns Matheus Tavares Bernardino
2026-03-23 20:47 ` Taylor Simpson
2026-03-24 20:15 ` Matheus Bernardino
2026-03-23 13:15 ` [PATCH 06/13] target/hexagon: add v68 HVX IEEE float misc insns Matheus Tavares Bernardino
2026-03-23 21:08 ` Taylor Simpson
2026-03-24 20:25 ` Matheus Bernardino [this message]
2026-03-23 13:15 ` [PATCH 07/13] target/hexagon: add v68 HVX IEEE float conversion insns Matheus Tavares Bernardino
2026-03-23 21:25 ` Taylor Simpson
2026-03-24 21:04 ` Matheus Bernardino
2026-03-25 1:15 ` Taylor Simpson
2026-03-23 13:15 ` [PATCH 08/13] target/hexagon: add v68 HVX IEEE float compare insns Matheus Tavares Bernardino
2026-03-23 21:42 ` Taylor Simpson
2026-03-26 13:00 ` Matheus Bernardino
2026-03-23 13:15 ` [PATCH 09/13] target/hexagon: add v73 HVX IEEE bfloat16 insns Matheus Tavares Bernardino
2026-03-23 22:03 ` Taylor Simpson
2026-03-23 13:15 ` [PATCH 10/13] tests/hexagon: add tests for v68 HVX IEEE float arithmetics Matheus Tavares Bernardino
2026-03-24 19:05 ` Taylor Simpson
2026-03-23 13:15 ` [PATCH 11/13] tests/hexagon: add tests for v68 HVX IEEE float min/max Matheus Tavares Bernardino
2026-03-24 19:07 ` Taylor Simpson
2026-03-23 13:15 ` [PATCH 12/13] tests/hexagon: add tests for v68 HVX IEEE float conversions Matheus Tavares Bernardino
2026-03-24 19:30 ` Taylor Simpson
2026-03-23 13:15 ` [PATCH 13/13] tests/hexagon: add tests for v68 HVX IEEE float comparisons Matheus Tavares Bernardino
2026-03-24 19:37 ` Taylor Simpson
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='CABrGZ+E58Vv5L_fdrFD5QRZT0=6-2ZXSpNT-tLV6=CnKAF1kbQ@mail.gmail.com' \
--to=matheus.bernardino@oss.qualcomm.com \
--cc=ale@rev.ng \
--cc=anjo@rev.ng \
--cc=brian.cain@oss.qualcomm.com \
--cc=ltaylorsimpson@gmail.com \
--cc=marco.liebel@oss.qualcomm.com \
--cc=philmd@linaro.org \
--cc=qemu-devel@nongnu.org \
--cc=quic_mburton@quicinc.com \
--cc=sid.manning@oss.qualcomm.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox