linux: no-ipa-sra for gcc > 4.9.x

source: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932
wongsyrone · Aug 19, 2015 · 93c0a51 · 93c0a51
1 parent 8a2cdfa
commit 93c0a51
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/target/linux/generic/patches-4.0/310-1-arm_no-ipa-sra-for-gcc4.9-5.patch b/target/linux/generic/patches-4.0/310-1-arm_no-ipa-sra-for-gcc4.9-5.patch
@@ -0,0 +1,12 @@
+--- a/arch/arm/Makefile
++++ b/arch/arm/Makefile
+@@ -123,7 +123,8 @@ AFLAGS_ISA	:=$(CFLAGS_ISA)
+ endif
+
+ # Need -Uarm for gcc < 3.x
+-KBUILD_CFLAGS	+=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
++# Maybe we need -fno-ipa-sra for gcc > 4.9.x
++KBUILD_CFLAGS	+=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm -fno-ipa-sra
+ KBUILD_AFLAGS	+=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
+
+ CHECKFLAGS	+= -D__arm__