1 files changed, 17 insertions, 12 deletions
diff --git a/compiler/rustc_codegen_gcc/src/context.rs b/compiler/rustc_codegen_gcc/src/context.rs
index c6c43201f21..ff141ad365b 100644
--- a/compiler/rustc_codegen_gcc/src/context.rs
+++ b/compiler/rustc_codegen_gcc/src/context.rs
@@ -1,14 +1,16 @@
 use std::cell::{Cell, RefCell};
+use std::collections::HashMap;
 
 use gccjit::{
     Block, CType, Context, Function, FunctionPtrType, FunctionType, LValue, Location, RValue, Type,
 };
-use rustc_abi::{HasDataLayout, PointeeInfo, Size, TargetDataLayout, VariantIdx};
+use rustc_abi::{Align, HasDataLayout, PointeeInfo, Size, TargetDataLayout, VariantIdx};
 use rustc_codegen_ssa::base::wants_msvc_seh;
 use rustc_codegen_ssa::errors as ssa_errors;
 use rustc_codegen_ssa::traits::{BackendTypes, BaseTypeCodegenMethods, MiscCodegenMethods};
 use rustc_data_structures::base_n::{ALPHANUMERIC_ONLY, ToBaseN};
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
+use rustc_middle::mir::interpret::Allocation;
 use rustc_middle::mir::mono::CodegenUnit;
 use rustc_middle::span_bug;
 use rustc_middle::ty::layout::{
@@ -19,9 +21,7 @@ use rustc_middle::ty::{self, ExistentialTraitRef, Instance, Ty, TyCtxt};
 use rustc_session::Session;
 use rustc_span::source_map::respan;
 use rustc_span::{DUMMY_SP, Span};
-use rustc_target::spec::{
-    HasTargetSpec, HasWasmCAbiOpt, HasX86AbiOpt, Target, TlsModel, WasmCAbi, X86Abi,
-};
+use rustc_target::spec::{HasTargetSpec, HasX86AbiOpt, Target, TlsModel, X86Abi};
 
 #[cfg(feature = "master")]
 use crate::abi::conv_to_fn_attribute;
@@ -30,6 +30,8 @@ use crate::common::SignType;
 
 #[cfg_attr(not(feature = "master"), allow(dead_code))]
 pub struct CodegenCx<'gcc, 'tcx> {
+    /// A cache of converted ConstAllocs
+    pub const_cache: RefCell<HashMap<Allocation, RValue<'gcc>>>,
     pub codegen_unit: &'tcx CodegenUnit<'tcx>,
     pub context: &'gcc Context<'gcc>,
 
@@ -131,6 +133,9 @@ pub struct CodegenCx<'gcc, 'tcx> {
 
     #[cfg(feature = "master")]
     pub cleanup_blocks: RefCell<FxHashSet<Block<'gcc>>>,
+    /// The alignment of a u128/i128 type.
+    // We cache this, since it is needed for alignment checks during loads.
+    pub int128_align: Align,
 }
 
 impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> {
@@ -222,6 +227,12 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> {
         }
 
         let mut cx = Self {
+            int128_align: tcx
+                .layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(tcx.types.i128))
+                .expect("Can't get the layout of `i128`")
+                .align
+                .abi,
+            const_cache: Default::default(),
             codegen_unit,
             context,
             current_func: RefCell::new(None),
@@ -430,8 +441,8 @@ impl<'gcc, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> {
         // `rust_eh_personality` function, but rather we wired it up to the
         // CRT's custom personality function, which forces LLVM to consider
         // landing pads as "landing pads for SEH".
-        if let Some(llpersonality) = self.eh_personality.get() {
-            return llpersonality;
+        if let Some(personality_func) = self.eh_personality.get() {
+            return personality_func;
         }
         let tcx = self.tcx;
         let func = match tcx.lang_items().eh_personality() {
@@ -512,12 +523,6 @@ impl<'gcc, 'tcx> HasTargetSpec for CodegenCx<'gcc, 'tcx> {
     }
 }
 
-impl<'gcc, 'tcx> HasWasmCAbiOpt for CodegenCx<'gcc, 'tcx> {
-    fn wasm_c_abi_opt(&self) -> WasmCAbi {
-        self.tcx.sess.opts.unstable_opts.wasm_c_abi
-    }
-}
-
 impl<'gcc, 'tcx> HasX86AbiOpt for CodegenCx<'gcc, 'tcx> {
     fn x86_abi_opt(&self) -> X86Abi {
         X86Abi {