X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=xs-src%2FMouseAccessor.xs;h=0496f0b794ca28a6749ef3642fd1ee7de2fc0406;hb=89d7a4b2fdc8cf24fa601341c70739de53ae73f0;hp=998849a40eeb8f63e36145a8ca27da3b8b4e7191;hpb=53142eda803bb80d2a4edb8b8c264a40390abf4b;p=gitmo%2FMouse.git

diff --git a/xs-src/MouseAccessor.xs b/xs-src/MouseAccessor.xs
index 998849a..0496f0b 100644
--- a/xs-src/MouseAccessor.xs
+++ b/xs-src/MouseAccessor.xs
@@ -2,7 +2,9 @@
 
 #define CHECK_INSTANCE(instance) STMT_START{                           \
         assert(instance);                                              \
-        if(!(SvROK(instance) && SvTYPE(SvRV(instance)) == SVt_PVHV)){  \
+        if(UNLIKELY(                                                   \
+                !(SvROK(instance)                                      \
+                && SvTYPE(SvRV(instance)) == SVt_PVHV) )){             \
             croak("Invalid object instance: '%"SVf"'", instance);      \
         }                                                              \
     } STMT_END
@@ -89,7 +91,7 @@ mouse_instance_weaken_slot(pTHX_ SV* const instance, SV* const slot) {
 
 STATIC_INLINE SV*
 mouse_accessor_get_self(pTHX_ I32 const ax, I32 const items, CV* const cv) {
-    if(items < 1){
+    if(UNLIKELY( items < 1 )){
         croak("Too few arguments for %s", GvNAME(CvGV(cv)));
     }
     /* NOTE: If self has GETMAGIC, $self->accessor will invoke GETMAGIC