new rsval() helper for signed Refs

The .val field is signed in RSlot.
Add a new dedicated function to
fetch it as a signed int.

1 files changed, 5 insertions, 0 deletions

diff --git a/all.h b/all.h
index 3ddb944..fe2b56b 100644
--- a/all.h
+++ b/all.h
@@ -110,6 +110,11 @@ static inline int rtype(Ref r)
 	return r.type;
 }
 
+static inline int rsval(Ref r)
+{
+	return ((int32_t)r.val << 3) >> 3;
+}
+
 enum CmpI {
 	Cieq,
 	Cine,