Don't use stack_{load,store} for vectors

Author: bjorn3

src/pointer.rs

@@ -126,8 +126,8 @@ impl Pointer {
     ) -> Value {
         match self.base {
             PointerBase::Addr(base_addr) => fx.bcx.ins().load(ty, flags, base_addr, self.offset),
-            PointerBase::Stack(stack_slot) => if ty == types::I128 {
-                // WORKAROUND for stack_load.i128 not being implemented
+            PointerBase::Stack(stack_slot) => if ty == types::I128 || ty.is_vector() {
+                // WORKAROUND for stack_load.i128 and stack_load.iXxY not being implemented
                 let base_addr = fx.bcx.ins().stack_addr(fx.pointer_type, stack_slot, 0);
                 fx.bcx.ins().load(ty, flags, base_addr, self.offset)
             } else {
@@ -146,12 +146,15 @@ impl Pointer {
             PointerBase::Addr(base_addr) => {
                 fx.bcx.ins().store(flags, value, base_addr, self.offset);
             }
-            PointerBase::Stack(stack_slot) => if fx.bcx.func.dfg.value_type(value) == types::I128 {
-                // WORKAROUND for stack_load.i128 not being implemented
-                let base_addr = fx.bcx.ins().stack_addr(fx.pointer_type, stack_slot, 0);
-                fx.bcx.ins().store(flags, value, base_addr, self.offset);
-            } else {
-                fx.bcx.ins().stack_store(value, stack_slot, self.offset);
+            PointerBase::Stack(stack_slot) => {
+                let val_ty = fx.bcx.func.dfg.value_type(value);
+                if val_ty == types::I128 || val_ty.is_vector() {
+                    // WORKAROUND for stack_store.i128 and stack_store.iXxY not being implemented
+                    let base_addr = fx.bcx.ins().stack_addr(fx.pointer_type, stack_slot, 0);
+                    fx.bcx.ins().store(flags, value, base_addr, self.offset);
+                } else {
+                    fx.bcx.ins().stack_store(value, stack_slot, self.offset);
+                }
             }
         }
     }