params.def (inline-unit-growth): Drop to 15%.

	* params.def (inline-unit-growth): Drop to 15%.
	* invoke.texi (inline-unit-growth): Document change.

From-SVN: r219863

gcc/ChangeLog

+2015-01-19  Jan Hubicka  <hubicka@ucw.cz>
+
+	* params.def (inline-unit-growth): Drop to 15%.
+	* invoke.texi (inline-unit-growth): Document change.
+
 2015-01-19  Martin Liska  <mliska@suse.cz>
 
 	PR ipa/64668

gcc/doc/invoke.texi

@@ -10001,7 +10001,7 @@ before applying @option{--param inline-unit-growth}.  The default is 10000.
 
 @item inline-unit-growth
 Specifies maximal overall growth of the compilation unit caused by inlining.
-The default value is 30 which limits unit growth to 1.3 times the original
+The default value is 15 which limits unit growth to 1.15 times the original
 size. Cold functions (either marked cold via an attribute or by profile
 feedback) are not accounted into the unit size.
 

gcc/params.def

@@ -190,7 +190,7 @@ DEFPARAM(PARAM_LARGE_UNIT_INSNS,
 DEFPARAM(PARAM_INLINE_UNIT_GROWTH,
 	 "inline-unit-growth",
 	 "How much can given compilation unit grow because of the inlining (in percent)",
-	 30, 0, 0)
+	 15, 0, 0)
 DEFPARAM(PARAM_IPCP_UNIT_GROWTH,
 	 "ipcp-unit-growth",
 	 "How much can given compilation unit grow because of the interprocedural constant propagation (in percent)",