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Re: [Qemu-devel] [PATCH 05/42] target/arm: Explicitly enable VFP short-v
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [PATCH 05/42] target/arm: Explicitly enable VFP short-vectors for aarch32 -cpu max |
Date: |
Fri, 7 Jun 2019 09:51:29 -0500 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 |
On 6/6/19 12:45 PM, Peter Maydell wrote:
> At the moment our -cpu max for AArch32 supports VFP short-vectors
> because we always implement them, even for CPUs which should
> not have them. The following commits are going to switch to
> using the correct ID-register-check to enable or disable short
> vector support, so we need to turn it on explicitly for -cpu max,
> because Cortex-A15 doesn't implement it.
>
> We don't enable this for the AArch64 -cpu max, because the v8A
> architecture never supports short-vectors.
>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> target/arm/cpu.c | 4 ++++
> 1 file changed, 4 insertions(+)
Reviewed-by: Richard Henderson <address@hidden>
r~
- Re: [Qemu-devel] [PATCH 40/42] target/arm: Convert VCVT fp/fixed-point conversion insns to decodetree, (continued)
- [Qemu-devel] [PATCH 19/42] target/arm: Convert VFP VMLS to decodetree, Peter Maydell, 2019/06/06
- [Qemu-devel] [PATCH 10/42] target/arm: Move the VFP trans_* functions to translate-vfp.inc.c, Peter Maydell, 2019/06/06
- [Qemu-devel] [PATCH 30/42] target/arm: Convert VNEG to decodetree, Peter Maydell, 2019/06/06
- [Qemu-devel] [PATCH 24/42] target/arm: Convert VADD to decodetree, Peter Maydell, 2019/06/06
- [Qemu-devel] [PATCH 05/42] target/arm: Explicitly enable VFP short-vectors for aarch32 -cpu max, Peter Maydell, 2019/06/06
- Re: [Qemu-devel] [PATCH 05/42] target/arm: Explicitly enable VFP short-vectors for aarch32 -cpu max,
Richard Henderson <=
- [Qemu-devel] [PATCH 03/42] target/arm: Factor out VFP access checking code, Peter Maydell, 2019/06/06
- [Qemu-devel] [PATCH 23/42] target/arm: Convert VNMUL to decodetree, Peter Maydell, 2019/06/06
- [Qemu-devel] [PATCH 31/42] target/arm: Convert VSQRT to decodetree, Peter Maydell, 2019/06/06
- [Qemu-devel] [PATCH 04/42] target/arm: Fix Cortex-R5F MVFR values, Peter Maydell, 2019/06/06
- [Qemu-devel] [PATCH 22/42] target/arm: Convert VMUL to decodetree, Peter Maydell, 2019/06/06