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Extend __ARM_FEATURE_ATOMICS for FEAT_LSE2 - #478

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Lukacma wants to merge 1 commit into
ARM-software:mainfrom
Lukacma:lse2-macros
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Lukacma wants to merge 1 commit into
ARM-software:mainfrom
Lukacma:lse2-macros

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@Lukacma

@Lukacma Lukacma commented Nov 10, 2026

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This patch extends definition of __ARM_FEATURE_ATOMICS to distinguish between targets supporting FEAT_LSE and targets also supporting FEAT_LSE2. Even though FEAT_LSE2 doesn't add new instrcution it is still important to determine if the feature is present as it influences codegen for certain atomics.

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