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Merge commit 'c19edfd71a1d0ddef86c2c67fdb40718d40a72b4' into sync_cg_clif-2022-07-25

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This commit is contained in:
bjorn3
2022-07-25 16:07:57 +02:00
parent 2fdbf075cf c19edfd71a
commit 7a3ed235eb
24 changed files with 473 additions and 219 deletions
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22
compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs
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@@ -404,7 +404,9 @@ fn codegen_regular_intrinsic_call<'tcx>(
};
size_of_val, (c ptr) {
let layout = fx.layout_of(substs.type_at(0));
let size = if layout.is_unsized() {
// Note: Can't use is_unsized here as truly unsized types need to take the fixed size
// branch
let size = if let Abi::ScalarPair(_, _) = ptr.layout().abi {
let (_ptr, info) = ptr.load_scalar_pair(fx);
let (size, _align) = crate::unsize::size_and_align_of_dst(fx, layout, info);
size
@@ -418,7 +420,9 @@ fn codegen_regular_intrinsic_call<'tcx>(
};
min_align_of_val, (c ptr) {
let layout = fx.layout_of(substs.type_at(0));
let align = if layout.is_unsized() {
// Note: Can't use is_unsized here as truly unsized types need to take the fixed size
// branch
let align = if let Abi::ScalarPair(_, _) = ptr.layout().abi {
let (_ptr, info) = ptr.load_scalar_pair(fx);
let (_size, align) = crate::unsize::size_and_align_of_dst(fx, layout, info);
align
@@ -1145,6 +1149,20 @@ fn codegen_regular_intrinsic_call<'tcx>(
// FIXME implement black_box semantics
ret.write_cvalue(fx, a);
};
// FIXME implement variadics in cranelift
va_copy, (o _dest, o _src) {
fx.tcx.sess.span_fatal(
source_info.span,
"Defining variadic functions is not yet supported by Cranelift",
);
};
va_arg | va_end, (o _valist) {
fx.tcx.sess.span_fatal(
source_info.span,
"Defining variadic functions is not yet supported by Cranelift",
);
};
}
let ret_block = fx.get_block(destination.unwrap());