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RISC-V also has sane nontemporal stores

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This commit is contained in:
Ralf Jung 2024-07-25 18:54:00 +02:00
parent 28e0907111
commit 697787a92d
1 changed files with 2 additions and 1 deletions
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compiler/rustc_codegen_llvm/src/builder.rs
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@ -737,7 +737,8 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
// a hint, and use regular stores everywhere else.
// (In the future, we could alternatively ensure that an sfence gets emitted after a sequence of movnt
// before any kind of synchronizing operation. But it's not clear how to do that with LLVM.)
const WELL_BEHAVED_NONTEMPORAL_ARCHS: &[&str] = &["aarch64", "arm"];
const WELL_BEHAVED_NONTEMPORAL_ARCHS: &[&str] =
&["aarch64", "arm", "riscv32", "riscv64"];
let use_nontemporal =
WELL_BEHAVED_NONTEMPORAL_ARCHS.contains(&&*self.cx.tcx.sess.target.arch);