bjoernager/rust
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Directly use raw pointers in AtomicPtr store/load

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oli 2020-10-06 10:03:52 +00:00 • committed by oli
parent 4ae328bef4
commit aabe70f90e
2 changed files with 30 additions and 4 deletions
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6
compiler/rustc_codegen_ssa/src/mir/intrinsic.rs
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@ -437,7 +437,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
match split[1] {
"cxchg" | "cxchgweak" => {
let ty = substs.type_at(0);
if int_type_width_signed(ty, bx.tcx()).is_some() {
if int_type_width_signed(ty, bx.tcx()).is_some() || ty.is_unsafe_ptr() {
let weak = split[1] == "cxchgweak";
let pair = bx.atomic_cmpxchg(
args[0].immediate(),
@ -464,7 +464,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
"load" => {
let ty = substs.type_at(0);
if int_type_width_signed(ty, bx.tcx()).is_some() {
if int_type_width_signed(ty, bx.tcx()).is_some() || ty.is_unsafe_ptr() {
let size = bx.layout_of(ty).size;
bx.atomic_load(args[0].immediate(), order, size)
} else {
@ -474,7 +474,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
"store" => {
let ty = substs.type_at(0);
if int_type_width_signed(ty, bx.tcx()).is_some() {
if int_type_width_signed(ty, bx.tcx()).is_some() || ty.is_unsafe_ptr() {
let size = bx.layout_of(ty).size;
bx.atomic_store(args[1].immediate(), args[0].immediate(), order, size);
return;