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path: root/compiler/rustc_codegen_gcc/src/builder.rs
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Diffstat (limited to 'compiler/rustc_codegen_gcc/src/builder.rs')
-rw-r--r--compiler/rustc_codegen_gcc/src/builder.rs10
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(