bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Merge commit '93a5433f17' into sync_cg_clif-2023-10-24

Browse source
This commit is contained in:
bjorn3 2023-10-24 12:22:23 +00:00
commit 484bc7fc88
14 changed files with 260 additions and 138 deletions
Download patch file Download diff file Expand all files Collapse all files

22
compiler/rustc_codegen_cranelift/src/inline_asm.rs
View file

@ -878,13 +878,7 @@ fn call_inline_asm<'tcx>(
inputs: Vec<(Size, Value)>,
outputs: Vec<(Size, CPlace<'tcx>)>,
) {
let stack_slot = fx.bcx.func.create_sized_stack_slot(StackSlotData {
kind: StackSlotKind::ExplicitSlot,
size: u32::try_from(slot_size.bytes()).unwrap(),
});
if fx.clif_comments.enabled() {
fx.add_comment(stack_slot, "inline asm scratch slot");
}
let stack_slot = fx.create_stack_slot(u32::try_from(slot_size.bytes()).unwrap(), 16);
let inline_asm_func = fx
.module
@ -904,15 +898,23 @@ fn call_inline_asm<'tcx>(
}
for (offset, value) in inputs {
fx.bcx.ins().stack_store(value, stack_slot, i32::try_from(offset.bytes()).unwrap());
stack_slot.offset(fx, i32::try_from(offset.bytes()).unwrap().into()).store(
fx,
value,
MemFlags::trusted(),
);
}
let stack_slot_addr = fx.bcx.ins().stack_addr(fx.pointer_type, stack_slot, 0);
let stack_slot_addr = stack_slot.get_addr(fx);
fx.bcx.ins().call(inline_asm_func, &[stack_slot_addr]);
for (offset, place) in outputs {
let ty = fx.clif_type(place.layout().ty).unwrap();
let value = fx.bcx.ins().stack_load(ty, stack_slot, i32::try_from(offset.bytes()).unwrap());
let value = stack_slot.offset(fx, i32::try_from(offset.bytes()).unwrap().into()).load(
fx,
ty,
MemFlags::trusted(),
);
place.write_cvalue(fx, CValue::by_val(value, place.layout()));
}
}