mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Avoid call to pointer_ty

Browse Source
This commit is contained in:
bjorn3 2021-07-19 15:34:33 +02:00
parent 0ebb4839f6
commit 356360836e
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/intrinsics/mod.rs
View File

@ -1122,6 +1122,7 @@ fn type_by_size(size: Size) -> Option<Type> {
}
let size = fx.layout_of(T).layout.size;
// FIXME add and use emit_small_memcmp
let is_eq_value =
if size == Size::ZERO {
// No bytes means they're trivially equal
@ -1137,10 +1138,9 @@ fn type_by_size(size: Size) -> Option<Type> {
} else {
// Just call `memcmp` (like slices do in core) when the
// size is too large or it's not a power-of-two.
let ptr_ty = pointer_ty(fx.tcx);
let signed_bytes = i64::try_from(size.bytes()).unwrap();
let bytes_val = fx.bcx.ins().iconst(ptr_ty, signed_bytes);
let params = vec![AbiParam::new(ptr_ty); 3];
let bytes_val = fx.bcx.ins().iconst(fx.pointer_type, signed_bytes);
let params = vec![AbiParam::new(fx.pointer_type); 3];
let returns = vec![AbiParam::new(types::I32)];
let args = &[lhs_ref, rhs_ref, bytes_val];
let cmp = fx.lib_call("memcmp", params, returns, args)[0];