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| author | Kajetan Puchalski <kajetan.puchalski@arm.com> | 2024-09-03 13:51:54 +0100 |
|---|---|---|
| committer | Kajetan Puchalski <kajetan.puchalski@arm.com> | 2024-10-10 10:24:57 +0000 |
| commit | 335f67b6527cbeb576151dab1dadec161eaede45 (patch) | |
| tree | e2b883844de949ec7ad11ec91808a7a16d85861f /compiler/rustc_codegen_llvm/src/llvm_util.rs | |
| parent | 2900c58a02c48da60a2d2d45613acf25164efa2b (diff) | |
| download | rust-335f67b6527cbeb576151dab1dadec161eaede45.tar.gz rust-335f67b6527cbeb576151dab1dadec161eaede45.zip | |
rustc_target: Add sme-b16b16 as an explicit aarch64 target feature
LLVM 20 split out what used to be called b16b16 and correspond to aarch64 FEAT_SVE_B16B16 into sve-b16b16 and sme-b16b16. Add sme-b16b16 as an explicit feature and update the codegen accordingly.
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/llvm_util.rs')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/llvm_util.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index bd847cd0068..8290e1a9544 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -247,7 +247,9 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea ("aarch64", "pmuv3") => Some(LLVMFeature::new("perfmon")), ("aarch64", "paca") => Some(LLVMFeature::new("pauth")), ("aarch64", "pacg") => Some(LLVMFeature::new("pauth")), - ("aarch64", "sve-b16b16") => Some(LLVMFeature::new("b16b16")), + // Before LLVM 20 those two features were packaged together as b16b16 + ("aarch64", "sve-b16b16") if get_version().0 < 20 => Some(LLVMFeature::new("b16b16")), + ("aarch64", "sme-b16b16") if get_version().0 < 20 => Some(LLVMFeature::new("b16b16")), ("aarch64", "flagm2") => Some(LLVMFeature::new("altnzcv")), // Rust ties fp and neon together. ("aarch64", "neon") => { |