Merge pull request #3279 from dheaton-arm/implement-insertlane

Implement `Insertlane` for the Cranelift interpreter
2021-09-02 09:44:59 -07:00
parent 3fed24ff4c d956d349d8
commit 000a97f4ff
3 changed files with 39 additions and 1 deletions
--- a/cranelift/interpreter/src/step.rs
+++ b/cranelift/interpreter/src/step.rs
@@ -704,7 +704,11 @@ where
        Opcode::Shuffle => unimplemented!("Shuffle"),
        Opcode::Swizzle => unimplemented!("Swizzle"),
        Opcode::Splat => unimplemented!("Splat"),
-        Opcode::Insertlane => unimplemented!("Insertlane"),
+        Opcode::Insertlane => {
+            let mut vector = extractlanes(&arg(0)?, ctrl_ty.lane_type())?;
+            vector[Value::into_int(imm())? as usize] = arg(1)?.into_int()?;
+            assign(vectorizelanes(&vector, ctrl_ty)?)
+        }
        Opcode::Extractlane => {
            let value =
                extractlanes(&arg(0)?, ctrl_ty.lane_type())?[Value::into_int(imm())? as usize];