--- intel-microcode-20180108.ebuild	2018-01-09 21:03:36.664644910 -0800
+++ intel-microcode-20180108-r1.ebuild	2018-01-09 22:35:49.917593196 -0800
@@ -36,6 +36,19 @@
 
+	cp -ra intel-ucode intel-ucode.stock
+	mkdir -p intel-ucode
 	if use split-ucode ; then
 		tc-env_build emake intel-microcode2ucode
-		./intel-microcode2ucode microcode.dat || die
+		./intel-microcode2ucode microcode.dat >/dev/null || die
+		mv intel-ucode intel-ucode.appended
+		mkdir -p intel-ucode
+		./intel-microcode2ucode microcode.dat >/dev/null || die
+		mv intel-ucode intel-ucode.regen
+		mkdir -p intel-ucode
 	fi
+	du intel-ucode*
+	einfo "Delta stock -> appended"
+	diff -Nuar intel-ucode.stock intel-ucode.appended |diffstat
+	einfo "Delta stock -> appended"
+	diff -Nuar intel-ucode.stock intel-ucode.regen |diffstat
+	die "Comparision only"
 }