diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/llvm_util.rs | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index c9e62e504ae..5552b381025 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -270,9 +270,10 @@ 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") + // 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 => { + LLVMFeature::new("fast-unaligned-access") } // For LLVM 18, enable the evex512 target feature if a avx512 target feature is enabled. ("x86", s) if get_version().0 >= 18 && s.starts_with("avx512") => { |