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update target feature following LLVM API change

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LLVM commit e817966718
renamed the `unaligned-scalar-mem` target feature to `fast-unaligned-access`.
This commit is contained in:
Krasimir Georgiev 2023-12-04 15:52:26 +00:00
parent 0a83e43f28
commit b378059e6b
3 changed files with 7 additions and 3 deletions
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4
compiler/rustc_codegen_llvm/src/llvm_util.rs
View File

@ -263,6 +263,10 @@ pub fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> LLVMFeature<'a> {
"sve2-bitperm",
TargetFeatureFoldStrength::EnableOnly("neon"),
),
// The unaligned-scalar-mem feature was renamed to fast-unaligned-access.
("riscv32" | "riscv64", "fast-unaligned-access") if get_version().0 <= 17 => {
LLVMFeature::new("unaligned-scalar-mem")
}
(_, s) => LLVMFeature::new(s),
}
}

2
compiler/rustc_codegen_ssa/src/target_features.rs
View File

@ -291,9 +291,9 @@ const RISCV_ALLOWED_FEATURES: &[(&str, Stability)] = &[
("d", Unstable(sym::riscv_target_feature)),
("e", Unstable(sym::riscv_target_feature)),
("f", Unstable(sym::riscv_target_feature)),
("fast-unaligned-access", Unstable(sym::riscv_target_feature)),
("m", Stable),
("relax", Unstable(sym::riscv_target_feature)),
("unaligned-scalar-mem", Unstable(sym::riscv_target_feature)),
("v", Unstable(sym::riscv_target_feature)),
("zba", Stable),
("zbb", Stable),

4
tests/ui/abi/riscv-discoverability-guidance.rs
View File

@ -2,9 +2,9 @@
// revisions: riscv32 riscv64
//
// [riscv32] needs-llvm-components: riscv
// [riscv32] compile-flags: --target=riscv32i-unknown-none-elf -C target-feature=-unaligned-scalar-mem --crate-type=rlib
// [riscv32] compile-flags: --target=riscv32i-unknown-none-elf -C target-feature=-fast-unaligned-access --crate-type=rlib
// [riscv64] needs-llvm-components: riscv
// [riscv64] compile-flags: --target=riscv64gc-unknown-none-elf -C target-feature=-unaligned-scalar-mem --crate-type=rlib
// [riscv64] compile-flags: --target=riscv64gc-unknown-none-elf -C target-feature=-fast-unaligned-access --crate-type=rlib
#![no_core]
#![feature(
no_core,