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Auto merge of #124932 - RalfJung:temporal, r=compiler-errors

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codegen: memmove/memset cannot be non-temporal

non-temporal memset is not a thing.
And for memmove, since the LLVM backend doesn't support this, surely we don't need it in the GCC backend.
This commit is contained in:
bors 2024-05-10 13:55:59 +00:00
commit 66f877007d
2 changed files with 5 additions and 9 deletions
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1
compiler/rustc_codegen_llvm/src/builder.rs
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@ -976,6 +976,7 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
align: Align,
flags: MemFlags,
) {
assert!(!flags.contains(MemFlags::NONTEMPORAL), "non-temporal memset not supported");
let is_volatile = flags.contains(MemFlags::VOLATILE);
unsafe {
llvm::LLVMRustBuildMemSet(