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Rollup merge of #90079 - SparrowLii:i8mm, r=Amanieu

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enable `i8mm` target feature on aarch64 and arm

As in https://github.com/rust-lang/stdarch/issues/1233, `i8mm` needs to be turned on to support the implementation of `vmmla` and `vusmmla`neon instructions in stdarch.
r? ``@Amanieu``
This commit is contained in:
Guillaume Gomez 2021-10-25 16:34:52 +02:00 committed by GitHub
commit bd48b9975a
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1 changed files with 2 additions and 1 deletions
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3
compiler/rustc_codegen_ssa/src/target_features.rs
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@ -19,6 +19,7 @@ const ARM_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[
("crypto", Some(sym::arm_target_feature)),
("aes", Some(sym::arm_target_feature)),
("sha2", Some(sym::arm_target_feature)),
("i8mm", Some(sym::arm_target_feature)),
("v5te", Some(sym::arm_target_feature)),
("v6", Some(sym::arm_target_feature)),
("v6k", Some(sym::arm_target_feature)),
@ -90,7 +91,7 @@ const AARCH64_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[
// FEAT_FRINTTS
("frintts", Some(sym::aarch64_target_feature)),
// FEAT_I8MM
// ("i8mm", Some(sym::aarch64_target_feature)),
("i8mm", Some(sym::aarch64_target_feature)),
// FEAT_F32MM
// ("f32mm", Some(sym::aarch64_target_feature)),
// FEAT_F64MM