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rustc_target: Add more RISC-V vector-related features

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This commit is contained in:
Taiki Endo 2025-03-20 19:47:57 +09:00
parent 4e2b096ed6
commit 55add8fce3
3 changed files with 77 additions and 3 deletions
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4
compiler/rustc_codegen_llvm/src/llvm_util.rs
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@ -274,7 +274,9 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea
("arm", "fp16") => Some(LLVMFeature::new("fullfp16")),
// In LLVM 18, `unaligned-scalar-mem` was merged with `unaligned-vector-mem` into a single
// feature called `fast-unaligned-access`. In LLVM 19, it was split back out.
("riscv32" | "riscv64", "unaligned-scalar-mem") if get_version().0 == 18 => {
("riscv32" | "riscv64", "unaligned-scalar-mem" | "unaligned-vector-mem")
if get_version().0 == 18 =>
{
Some(LLVMFeature::new("fast-unaligned-access"))
}
// Filter out features that are not supported by the current LLVM version