[PATCH AUTOSEL 5.10 4/5] kselftest/arm64: Corrupt P0 in the irritator when testing SSVE
Pavel Machek
pavel at denx.de
Mon Dec 2 04:04:57 PST 2024
Hi!
> From: Mark Brown <broonie at kernel.org>
>
> [ Upstream commit 3e360ef0c0a1fb6ce9a302e40b8057c41ba8a9d2 ]
>
> When building for streaming SVE the irritator for SVE skips updates of both
> P0 and FFR. While FFR is skipped since it might not be present there is no
> reason to skip corrupting P0 so switch to an instruction valid in streaming
> mode and move the ifdef.
This is mismerged. Original patch moves #ifdef. How did AUTOSEL came
up with this?
Best regards,
Pavel
> +++ b/tools/testing/selftests/arm64/fp/sve-test.S
> @@ -459,7 +459,8 @@ function irritator_handler
> movi v9.16b, #2
> movi v31.8b, #3
> // And P0
> - rdffr p0.b
> + ptrue p0.d
> +#ifndef SSVE
> // And FFR
> wrffr p15.b
>
--
DENX Software Engineering GmbH, Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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