Baldrdash: implement support for sign-extension in returns;

2020-04-10 14:50:39 +02:00
parent 241c164e25
commit 5b8b75def0
4 changed files with 83 additions and 18 deletions
--- a/cranelift/codegen/src/isa/aarch64/lower.rs
+++ b/cranelift/codegen/src/isa/aarch64/lower.rs
@@ -2364,7 +2364,9 @@ fn lower_insn_to_regs<C: LowerCtx<I = Inst>>(ctx: &mut C, insn: IRInst) {

 //=============================================================================
 // Helpers for instruction lowering.
-fn ty_bits(ty: Type) -> usize {
+
+/// Returns the size (in bits) of a given type.
+pub fn ty_bits(ty: Type) -> usize {
    match ty {
        B1 => 1,
        B8 | I8 => 8,