Use bitfields for class and construction type

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@20628 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/lib/krb5/asn.1/asn1_get.h b/src/lib/krb5/asn.1/asn1_get.h
index 50a1b75cedbd5c36601b363753daaff20f5dba73..1b78014624562743017a812ef0139806f0123e6a 100644 (file)
--- a/src/lib/krb5/asn.1/asn1_get.h
+++ b/src/lib/krb5/asn.1/asn1_get.h
@@ -34,8 +34,15 @@
 #include "asn1buf.h"
 
 typedef struct {
+#if 1 /* Smaller run-time storage, and on x86 the compiler can use
+        byte loads, stores, and compares, but on other platforms the
+        compiler may need to load and widen before comparing... see
+        how this works out. */
+    unsigned int asn1class : 8, construction : 8;
+#else
     asn1_class asn1class;
     asn1_construction construction;
+#endif
     asn1_tagnum tagnum;
     unsigned int length;
     int indef;