diff options
Diffstat (limited to 'compiler/rustc_codegen_gcc/src/builder.rs')
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/builder.rs | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/compiler/rustc_codegen_gcc/src/builder.rs b/compiler/rustc_codegen_gcc/src/builder.rs index b1785af444a..a4ec4bf8dea 100644 --- a/compiler/rustc_codegen_gcc/src/builder.rs +++ b/compiler/rustc_codegen_gcc/src/builder.rs @@ -926,10 +926,6 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { .get_address(self.location) } - fn dynamic_alloca(&mut self, _len: RValue<'gcc>, _align: Align) -> RValue<'gcc> { - unimplemented!(); - } - fn load(&mut self, pointee_ty: Type<'gcc>, ptr: RValue<'gcc>, align: Align) -> RValue<'gcc> { let block = self.llbb(); let function = block.get_function(); @@ -975,7 +971,11 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { fn volatile_load(&mut self, ty: Type<'gcc>, ptr: RValue<'gcc>) -> RValue<'gcc> { let ptr = self.context.new_cast(self.location, ptr, ty.make_volatile().make_pointer()); - ptr.dereference(self.location).to_rvalue() + // (FractalFir): We insert a local here, to ensure this volatile load can't move across + // blocks. + let local = self.current_func().new_local(self.location, ty, "volatile_tmp"); + self.block.add_assignment(self.location, local, ptr.dereference(self.location).to_rvalue()); + local.to_rvalue() } fn atomic_load( |
