From 28e0907111075dead53a931004b0ba6f1fe0d793 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Wed, 24 Jul 2024 20:55:43 +0200 Subject: nontemporal_store: make sure that the intrinsic is truly just a hint --- compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'compiler/rustc_codegen_cranelift/src') diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs index b21c559e668..29deac60730 100644 --- a/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs +++ b/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs @@ -725,7 +725,8 @@ fn codegen_regular_intrinsic_call<'tcx>( // Cranelift treats stores as volatile by default // FIXME correctly handle unaligned_volatile_store - // FIXME actually do nontemporal stores if requested + // FIXME actually do nontemporal stores if requested (but do not just emit MOVNT on x86; + // see the LLVM backend for details) let dest = CPlace::for_ptr(Pointer::new(ptr), val.layout()); dest.write_cvalue(fx, val); } -- cgit 1.4.1-3-g733a5