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Rollup merge of #94339 - Amanieu:arm-d32, r=nagisa

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ARM: Only allow using d16-d31 with asm! when supported by the target

Support can be determined by checking for the "d32" LLVM feature.

r? ```````````````@nagisa```````````````
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Dylan DPC 2022-03-04 02:06:40 +01:00 • committed by GitHub
commit 79c71d1f9e
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3 changed files with 6 additions and 1 deletions
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compiler/rustc_codegen_ssa/src/target_features.rs
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@ -39,6 +39,7 @@ const ARM_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[
// #[target_feature].
("thumb-mode", Some(sym::arm_target_feature)),
("thumb2", Some(sym::arm_target_feature)),
("d32", Some(sym::arm_target_feature)),
];
const AARCH64_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[