diff options
Diffstat (limited to 'compiler/rustc_codegen_gcc/src/intrinsic/mod.rs')
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/intrinsic/mod.rs | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs b/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs index a1123fafe2f..5322b731d8b 100644 --- a/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs +++ b/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs @@ -9,7 +9,7 @@ use gccjit::FunctionType; use gccjit::{ComparisonOp, Function, RValue, ToRValue, Type, UnaryOp}; #[cfg(feature = "master")] use rustc_abi::ExternAbi; -use rustc_abi::HasDataLayout; +use rustc_abi::{BackendRepr, HasDataLayout}; use rustc_codegen_ssa::MemFlags; use rustc_codegen_ssa::base::wants_msvc_seh; use rustc_codegen_ssa::common::IntPredicate; @@ -181,14 +181,19 @@ impl<'a, 'gcc, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tc sym::volatile_load | sym::unaligned_volatile_load => { let tp_ty = fn_args.type_at(0); let ptr = args[0].immediate(); + let layout = self.layout_of(tp_ty); let load = if let PassMode::Cast { cast: ref ty, pad_i32: _ } = fn_abi.ret.mode { let gcc_ty = ty.gcc_type(self); self.volatile_load(gcc_ty, ptr) } else { - self.volatile_load(self.layout_of(tp_ty).gcc_type(self), ptr) + self.volatile_load(layout.gcc_type(self), ptr) }; // TODO(antoyo): set alignment. - self.to_immediate(load, self.layout_of(tp_ty)) + if let BackendRepr::Scalar(scalar) = layout.backend_repr { + self.to_immediate_scalar(load, scalar) + } else { + load + } } sym::volatile_store => { let dst = args[0].deref(self.cx()); |