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Add const_allocate and const_deallocate intrinsics

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This commit is contained in:
bjorn3 2022-01-30 17:26:53 +01:00
parent 3ff158e3ed
commit 1b8ea0705e
1 changed files with 10 additions and 0 deletions
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10
src/intrinsics/mod.rs
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@ -1020,6 +1020,16 @@ fn codegen_regular_intrinsic_call<'tcx>(
ret.write_cvalue(fx, CValue::by_val(is_eq_value, ret.layout())); ret.write_cvalue(fx, CValue::by_val(is_eq_value, ret.layout()));
}; };
const_allocate, (c _size, c _align) {
// returns a null pointer at runtime.
let null = fx.bcx.ins().iconst(fx.pointer_type, 0);
ret.write_cvalue(fx, CValue::by_val(null, ret.layout()));
};
const_deallocate, (c _ptr, c _size, c _align) {
// nop at runtime.
};
black_box, (c a) { black_box, (c a) {
// FIXME implement black_box semantics // FIXME implement black_box semantics
ret.write_cvalue(fx, a); ret.write_cvalue(fx, a);