Commit b95825e6 authored by Chris Zankel's avatar Chris Zankel Committed by Peter Korsgaard
Browse files

xtensa: add -mlongcalls to CFLAGS for xtensa 



The longcalls option allows calls across a greater range of addresses.

This option may degrade both code size and performance, but
the linker can generally optimize away the unnecessary overhead
when a call ends up within range

Signed-off-by: default avatarChris Zankel <chris@zankel.net>
Signed-off-by: default avatarPeter Korsgaard <jacmet@sunsite.dk>
parent 4e3dd2f8

package/Makefile.in

+9 −0
Original line number Diff line number Diff line
@@ -56,6 +56,15 @@ TARGET_ABI+=-mabi=spe -mfloat-gprs=double -Wa,-me500mc 
endif

endif



# Use longcalls option for Xtensa globally.

# The 'longcalls' option allows calls across a greater range of addresses,

# and is required for some packages. While this option can degrade both

# code size and performance, the linker can usually optimize away the

# overhead when a call ends up within a certain range.

ifeq ($(BR2_xtensa),y)

TARGET_ABI += -mlongcalls

endif



STAGING_DIR=$(HOST_DIR)/usr/$(GNU_TARGET_NAME)/sysroot



TARGET_OPTIMIZATION:=$(call qstrip,$(BR2_TARGET_OPTIMIZATION))