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Re: [PATCH v2 24/45] target/arm: Implement fp16 for Neon VRECPE, VRSQRTE
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From: |
Richard Henderson |
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Subject: |
Re: [PATCH v2 24/45] target/arm: Implement fp16 for Neon VRECPE, VRSQRTE using gvec |
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Date: |
Sat, 29 Aug 2020 08:30:24 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
On 8/29/20 6:53 AM, Peter Maydell wrote:
> On Fri, 28 Aug 2020 at 23:53, Richard Henderson
> <richard.henderson@linaro.org> wrote:
>>
>> On 8/28/20 2:40 PM, Peter Maydell wrote:
>>> The other approach would be to standardize on "the decodetree pattern
>>> always converts the size to the data-type size, regardless of how
>>> it's encoded in the insn fields", and then you could check against
>>> MO_16 here. Would that be better ?
>>
>> That might be clearer, yes. Otherwise it's hard to tell what "size" means
>> without looking at the manual for each instance.
>
> Do you mind if I do that as a separate patchset after this one?
> I feel that will be easier than trying to weave the change into
> this series...
Yes, certainly.
r~
- [PATCH v2 21/45] target/arm: Implement VFP fp16 VMOV between gp and halfprec registers, (continued)
- [PATCH v2 21/45] target/arm: Implement VFP fp16 VMOV between gp and halfprec registers, Peter Maydell, 2020/08/28
- [PATCH v2 17/45] target/arm: Implement VFP fp16 VSEL, Peter Maydell, 2020/08/28
- [PATCH v2 19/45] target/arm: Implement new VFP fp16 insn VINS, Peter Maydell, 2020/08/28
- [PATCH v2 22/45] fpu: Add float16 comparison functions, Peter Maydell, 2020/08/28
- [PATCH v2 24/45] target/arm: Implement fp16 for Neon VRECPE, VRSQRTE using gvec, Peter Maydell, 2020/08/28
- Re: [PATCH v2 24/45] target/arm: Implement fp16 for Neon VRECPE, VRSQRTE using gvec, Richard Henderson, 2020/08/28
- Re: [PATCH v2 24/45] target/arm: Implement fp16 for Neon VRECPE, VRSQRTE using gvec, Peter Maydell, 2020/08/28
- Re: [PATCH v2 24/45] target/arm: Implement fp16 for Neon VRECPE, VRSQRTE using gvec, Richard Henderson, 2020/08/28
- Re: [PATCH v2 24/45] target/arm: Implement fp16 for Neon VRECPE, VRSQRTE using gvec, Peter Maydell, 2020/08/29
- Re: [PATCH v2 24/45] target/arm: Implement fp16 for Neon VRECPE, VRSQRTE using gvec,
Richard Henderson <=
[PATCH v2 26/45] target/arm: Implement fp16 for VCEQ, VCGE, VCGT comparisons, Peter Maydell, 2020/08/28
[PATCH v2 25/45] target/arm: Implement fp16 for Neon VABS, VNEG of floats, Peter Maydell, 2020/08/28
[PATCH v2 23/45] target/arm: Implement FP16 for Neon VADD, VSUB, VABD, VMUL, Peter Maydell, 2020/08/28
[PATCH v2 28/45] target/arm: Implement fp16 for Neon VMAX, VMIN, Peter Maydell, 2020/08/28
[PATCH v2 20/45] target/arm: Implement new VFP fp16 insn VMOVX, Peter Maydell, 2020/08/28
[PATCH v2 27/45] target/arm: Implement fp16 for VACGE, VACGT, Peter Maydell, 2020/08/28