* [Buildroot] [git commit branch/2023.02.x] arch/Config.in.x86: drop AVX512 from alderlake
@ 2023-08-30 10:54 Peter Korsgaard
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From: Peter Korsgaard @ 2023-08-30 10:54 UTC (permalink / raw)
To: buildroot
commit: https://git.buildroot.net/buildroot/commit/?id=f2cfe1d28c093d2abeef0d86d73022d6c6deea24
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2023.02.x
Alder Lake CPUs have AVX512 support disabled [0].
To prevent potential issues, remove the AVX512 support advertisement.
This puts Buildroot inline with the GCC options [1].
[0]: https://www.intel.com/content/www/us/en/support/articles/000089918/processors.html
[1]: https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html
Fixes: e7b94130 ("arch/Config.in.x86: add sapphirerapids, alderlake, rocketlake")
Signed-off-by: Vincent Fazio <vfazio@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit f82a65b15b1805b9cbde0220e68e0267d0dbdb2b)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
---
arch/Config.in.x86 | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/Config.in.x86 b/arch/Config.in.x86
index c770ae3ffe..56ce1eb0cc 100644
--- a/arch/Config.in.x86
+++ b/arch/Config.in.x86
@@ -450,7 +450,6 @@ config BR2_x86_alderlake
select BR2_X86_CPU_HAS_SSE42
select BR2_X86_CPU_HAS_AVX
select BR2_X86_CPU_HAS_AVX2
- select BR2_X86_CPU_HAS_AVX512
select BR2_ARCH_NEEDS_GCC_AT_LEAST_11
config BR2_x86_rocketlake
bool "rocketlake"
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