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4f847bd326
Add various aarch64 features already supported by LLVM and Linux. The features are marked as unstable using a newly added symbol, i.e. aarch64_unstable_target_feature. Additionally include some comment fixes to ensure consistency of feature names with the Arm ARM and support for architecture version target features up to v9.5a. This commit adds compiler support for the following features: - FEAT_CSSC - FEAT_ECV - FEAT_FAMINMAX - FEAT_FLAGM2 - FEAT_FP8 - FEAT_FP8DOT2 - FEAT_FP8DOT4 - FEAT_FP8FMA - FEAT_FPMR - FEAT_HBC - FEAT_LSE128 - FEAT_LSE2 - FEAT_LUT - FEAT_MOPS - FEAT_LRCPC3 - FEAT_SVE_B16B16 - FEAT_SVE2p1 - FEAT_WFxT
rustc_target contains some very low-level details that are
specific to different compilation targets and so forth.
For more information about how rustc works, see the rustc dev guide.