machinst x64: add support for rotations;

2020-07-03 15:47:57 +02:00
parent 22892466e7
commit 571061fe4c
4 changed files with 49 additions and 8 deletions
--- a/cranelift/codegen/src/isa/x64/inst/emit.rs
+++ b/cranelift/codegen/src/isa/x64/inst/emit.rs
@@ -925,6 +925,8 @@ pub(crate) fn emit(
        } => {
            let enc_dst = int_reg_enc(dst.to_reg());
            let subopcode = match kind {
+                ShiftKind::RotateLeft => 0,
+                ShiftKind::RotateRight => 1,
                ShiftKind::Left => 4,
                ShiftKind::RightZ => 5,
                ShiftKind::RightS => 7,