--- ./security/nss/coreconf/Linux.mk-orig	2014-09-06 05:39:11.611456212 -0700
+++ ./security/nss/coreconf/Linux.mk	2014-09-06 05:41:17.794448641 -0700
@@ -112,9 +112,9 @@
 
 ifdef BUILD_OPT
 ifeq (11,$(ALLOW_OPT_CODE_SIZE)$(OPT_CODE_SIZE))
-	OPTIMIZER = -Os
+	OPTIMIZER = -Os -march=amdfam10
 else
-	OPTIMIZER = -O2
+	OPTIMIZER = -O3 -march=amdfam10
 endif
 ifdef MOZ_DEBUG_SYMBOLS
 	ifdef MOZ_DEBUG_FLAGS
@@ -122,6 +122,8 @@
 	else
 		OPTIMIZER += -gdwarf-2
 	endif
+else
+	OPTIMIZER += -flto
 endif
 endif