build: unify target independent optimization options

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 37600

diff --git a/Config.in b/Config.in
index db3094d729863f60b0ac2cb64a6644b13aabee2d..0ef2f1413d79b365df141646bd6742a7d550421a 100644 (file)
--- a/Config.in
+++ b/Config.in
@@ -847,6 +847,12 @@ menuconfig DEVEL
                  in the package directory, pointing to the .git tree that you want
                  to pull the source code from
 
+       config EXTRA_OPTIMIZATION
+               string "Additional compiler options" if DEVEL
+               default "-fno-caller-saves"
+               help
+                 Extra Target-independent optimizations to use when building for the target.
+
 menuconfig TARGET_OPTIONS
        bool "Target Options"  if DEVEL
 

diff --git a/include/target.mk b/include/target.mk
index eeabb25f37812d2da9a7a900b0772cc18aea9784..b6d79fb20aa06c7138dfdf236d6869142f09e513 100644 (file)
--- a/include/target.mk
+++ b/include/target.mk
@@ -191,17 +191,17 @@ ifeq ($(DUMP),1)
     # remove duplicates
     FEATURES:=$(sort $(FEATURES))
   endif
-  DEFAULT_CFLAGS_i386=-O2 -pipe -march=i486 -fno-caller-saves
-  DEFAULT_CFLAGS_x86_64=-O2 -pipe -march=athlon64 -fno-caller-saves
-  DEFAULT_CFLAGS_m68k=-Os -pipe -mcfv4e -fno-caller-saves
-  DEFAULT_CFLAGS_mips=-Os -pipe -mips32 -mtune=mips32 -fno-caller-saves -mno-branch-likely
+  DEFAULT_CFLAGS_i386=-O2 -pipe -march=i486
+  DEFAULT_CFLAGS_x86_64=-O2 -pipe -march=athlon64
+  DEFAULT_CFLAGS_m68k=-Os -pipe -mcfv4e
+  DEFAULT_CFLAGS_mips=-Os -pipe -mips32 -mtune=mips32 -mno-branch-likely
   DEFAULT_CFLAGS_mipsel=$(DEFAULT_CFLAGS_mips)
-  DEFAULT_CFLAGS_mips64=-Os -pipe -mips64 -mtune=mips64 -mabi=64 -fno-caller-saves
+  DEFAULT_CFLAGS_mips64=-Os -pipe -mips64 -mtune=mips64 -mabi=64
   DEFAULT_CFLAGS_mips64el=$(DEFAULT_CFLAGS_mips64)
-  DEFAULT_CFLAGS_sparc=-Os -pipe -mcpu=ultrasparc -fno-caller-saves
-  DEFAULT_CFLAGS_arm=-Os -pipe -march=armv5te -mtune=xscale -fno-caller-saves
+  DEFAULT_CFLAGS_sparc=-Os -pipe -mcpu=ultrasparc
+  DEFAULT_CFLAGS_arm=-Os -pipe -march=armv5te -mtune=xscale
   DEFAULT_CFLAGS_armeb=$(DEFAULT_CFLAGS_arm)
-  DEFAULT_CFLAGS=$(if $(DEFAULT_CFLAGS_$(ARCH)),$(DEFAULT_CFLAGS_$(ARCH)),-Os -pipe -fno-caller-saves)
+  DEFAULT_CFLAGS=$(if $(DEFAULT_CFLAGS_$(ARCH)),$(DEFAULT_CFLAGS_$(ARCH)),-Os -pipe)
 endif
 
 define BuildTargets/DumpCurrent

diff --git a/rules.mk b/rules.mk
index 5ed8000e05277a24cae1a544a60d6b2b44f8aeed..48be224858783088bb9339bf5284a0ac1dccb1e1 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -38,6 +38,7 @@ ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONF
 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
+export EXTRA_OPTIMIZATION:=$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
@@ -127,7 +128,7 @@ BUILD_LOG_DIR:=$(TOPDIR)/logs
 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 
 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
-TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
+TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(EXTRA_OPTIMIZATION)
 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 TARGET_ASFLAGS = $(TARGET_CFLAGS) $(TARGET_ASFLAGS_OVERRIDE)
 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include

diff --git a/target/linux/ar71xx/Makefile b/target/linux/ar71xx/Makefile
index 52cfc371ab7b686414c5f7164af5f5f35ae47c78..c123598e3b83455b32db18c9b739f576369e053f 100644 (file)
--- a/target/linux/ar71xx/Makefile
+++ b/target/linux/ar71xx/Makefile
@@ -10,7 +10,7 @@ ARCH:=mips
 BOARD:=ar71xx
 BOARDNAME:=Atheros AR7xxx/AR9xxx
 FEATURES:=squashfs targz mips16
-CFLAGS:=-Os -pipe -mips32r2 -mtune=34kc -fno-caller-saves -mno-branch-likely
+CFLAGS:=-Os -pipe -mips32r2 -mtune=34kc -mno-branch-likely
 SUBTARGETS:=generic nand
 
 LINUX_VERSION:=3.10.3

diff --git a/target/linux/at91/Makefile b/target/linux/at91/Makefile
index ff93076f1d8eb9a3c6ebb39d9f56e68dd43cef1e..e9cc6d1c4912e16dd50772c098e0c0adbe2cbec1 100644 (file)
--- a/target/linux/at91/Makefile
+++ b/target/linux/at91/Makefile
@@ -11,7 +11,7 @@ BOARD:=at91
 MAINTAINER:=Claudio Mignanti <c.mignanti@gmail.com>
 BOARDNAME:=Atmel AT91
 FEATURES:=squashfs targz ext2 usb
-CFLAGS:=-Os -pipe -march=armv5te -mtune=arm926ej-s -fno-caller-saves
+CFLAGS:=-Os -pipe -march=armv5te -mtune=arm926ej-s
 
 LINUX_VERSION:=3.8.13
 

diff --git a/target/linux/cns21xx/Makefile b/target/linux/cns21xx/Makefile
index a08679589a097e7b42c0ab1774588bda2470b1c9..bb691ddebc7e42f0e7ebc71498f0353501f0a64d 100644 (file)
--- a/target/linux/cns21xx/Makefile
+++ b/target/linux/cns21xx/Makefile
@@ -10,7 +10,7 @@ ARCH:=arm
 BOARD:=cns21xx
 BOARDNAME:=Cavium Networks Econa CNS21xx
 FEATURES:=squashfs
-CFLAGS:=-Os -pipe -march=armv4 -mtune=fa526 -fno-caller-saves
+CFLAGS:=-Os -pipe -march=armv4 -mtune=fa526
 
 LINUX_VERSION:=3.8.13
 

diff --git a/target/linux/cns3xxx/Makefile b/target/linux/cns3xxx/Makefile
index 96d6ab137c257227b0540029e38ee1bc54253b35..a169d0bbe9f53d401b8e27b5ee97f07a9c3268d2 100644 (file)
--- a/target/linux/cns3xxx/Makefile
+++ b/target/linux/cns3xxx/Makefile
@@ -10,7 +10,7 @@ ARCH:=arm
 BOARD:=cns3xxx
 BOARDNAME:=Cavium Networks Econa CNS3xxx
 FEATURES:=squashfs fpu gpio pcie usb usbgadget
-CFLAGS:=-Os -pipe -march=armv6k -mtune=mpcore -mfloat-abi=softfp -mfpu=vfp -fno-caller-saves
+CFLAGS:=-Os -pipe -march=armv6k -mtune=mpcore -mfloat-abi=softfp -mfpu=vfp
 MAINTAINER:=Imre Kaloz <kaloz@openwrt.org>
 
 LINUX_VERSION:=3.8.13

diff --git a/target/linux/cobalt/Makefile b/target/linux/cobalt/Makefile
index 56799f9ba4d13109230376d7d4abc448daaa43fc..632b61c70ac5fa7cf7014bb5b5dfed5a0c46322b 100644 (file)
--- a/target/linux/cobalt/Makefile
+++ b/target/linux/cobalt/Makefile
@@ -10,7 +10,7 @@ ARCH:=mipsel
 BOARD:=cobalt
 BOARDNAME:=Cobalt Microservers
 FEATURES:=targz pci ext4 display
-CFLAGS:=-O2 -pipe -mtune=r5000 -fno-caller-saves
+CFLAGS:=-O2 -pipe -mtune=r5000
 MAINTAINER:=Florian Fainelli <florian@openwrt.org>
 
 LINUX_VERSION:=3.3.8

diff --git a/target/linux/ep93xx/Makefile b/target/linux/ep93xx/Makefile
index 21db716a797f4bc1e9847b8db3c375302be5ebf2..1cc08770cd2182e5dfcf2968ef38a9869944d07b 100644 (file)
--- a/target/linux/ep93xx/Makefile
+++ b/target/linux/ep93xx/Makefile
@@ -10,7 +10,7 @@ ARCH:=arm
 BOARD:=ep93xx
 BOARDNAME:=Cirrus Logic EP93xx
 FEATURES:=squashfs ext4 targz usb display sound
-CFLAGS:=-Os -pipe -march=armv4t -fno-caller-saves
+CFLAGS:=-Os -pipe -march=armv4t
 MAINTAINER:=Florian Fainelli <florian@openwrt.org>
 
 LINUX_VERSION:=3.8.13

diff --git a/target/linux/gemini/Makefile b/target/linux/gemini/Makefile
index f0e802dba8584a25ab277ed9fc1a6328ff82c52f..e1586d138f4c12d69a2446c9e8f1e7599e9746c1 100644 (file)
--- a/target/linux/gemini/Makefile
+++ b/target/linux/gemini/Makefile
@@ -10,7 +10,7 @@ ARCH:=arm
 BOARD:=gemini
 BOARDNAME:=Cortina Systems CS351x
 FEATURES:=squashfs pci
-CFLAGS:=-Os -pipe -march=armv4 -mtune=fa526 -fno-caller-saves
+CFLAGS:=-Os -pipe -march=armv4 -mtune=fa526
 MAINTAINER:=Imre Kaloz <kaloz@openwrt.org>
 
 LINUX_VERSION:=3.9.11

diff --git a/target/linux/generic/patches-3.10/201-extra_optimization.patch b/target/linux/generic/patches-3.10/201-extra_optimization.patch
index 6af3d01ba225a7c4689852157e5d9a316fb9793d..ccb7fcfb3b2c5d41e992f6cb11e7eadcfff2e3b6 100644 (file)
--- a/target/linux/generic/patches-3.10/201-extra_optimization.patch
+++ b/target/linux/generic/patches-3.10/201-extra_optimization.patch
@@ -5,10 +5,10 @@
  
  ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
 -KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,)
-+KBUILD_CFLAGS += -Os -fno-caller-saves $(call cc-disable-warning,maybe-uninitialized,)
++KBUILD_CFLAGS += -Os $(EXTRA_OPTIMIZATION) $(call cc-disable-warning,maybe-uninitialized,)
  else
 -KBUILD_CFLAGS += -O2
-+KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch -fno-caller-saves
++KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch $(EXTRA_OPTIMIZATION)
  endif
  
  include $(srctree)/arch/$(SRCARCH)/Makefile

diff --git a/target/linux/generic/patches-3.3/201-extra_optimization.patch b/target/linux/generic/patches-3.3/201-extra_optimization.patch
index e724891e4f5dacfe176e2f7227df48015ffb0627..213e6d12a17a1109e5180d2ec045c7c708fad344 100644 (file)
--- a/target/linux/generic/patches-3.3/201-extra_optimization.patch
+++ b/target/linux/generic/patches-3.3/201-extra_optimization.patch
@@ -5,10 +5,10 @@
  
  ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
 -KBUILD_CFLAGS += -Os
-+KBUILD_CFLAGS += -Os -fno-caller-saves
++KBUILD_CFLAGS += -Os $(EXTRA_OPTIMIZATION)
  else
 -KBUILD_CFLAGS += -O2
-+KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch -fno-caller-saves
++KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch $(EXTRA_OPTIMIZATION)
  endif
  
  include $(srctree)/arch/$(SRCARCH)/Makefile

diff --git a/target/linux/generic/patches-3.6/201-extra_optimization.patch b/target/linux/generic/patches-3.6/201-extra_optimization.patch
index f255a01c1ad9b31fdc57599751865c9f8d01fe53..10b2c4dfa84262a575e6c2f97d250540b7b0707e 100644 (file)
--- a/target/linux/generic/patches-3.6/201-extra_optimization.patch
+++ b/target/linux/generic/patches-3.6/201-extra_optimization.patch
@@ -5,10 +5,10 @@
  
  ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
 -KBUILD_CFLAGS += -Os
-+KBUILD_CFLAGS += -Os -fno-caller-saves
++KBUILD_CFLAGS += -Os $(EXTRA_OPTIMIZATION)
  else
 -KBUILD_CFLAGS += -O2
-+KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch -fno-caller-saves
++KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch $(EXTRA_OPTIMIZATION)
  endif
  
  include $(srctree)/arch/$(SRCARCH)/Makefile

diff --git a/target/linux/generic/patches-3.8/201-extra_optimization.patch b/target/linux/generic/patches-3.8/201-extra_optimization.patch
index 119655dfd32b5f36cb2ab2e910d6c487b828f185..a7d4bdcef335469b79ccf75a20a3fd82e5206e95 100644 (file)
--- a/target/linux/generic/patches-3.8/201-extra_optimization.patch
+++ b/target/linux/generic/patches-3.8/201-extra_optimization.patch
@@ -5,10 +5,10 @@
  
  ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
 -KBUILD_CFLAGS += -Os
-+KBUILD_CFLAGS += -Os -fno-caller-saves
++KBUILD_CFLAGS += -Os $(EXTRA_OPTIMIZATION)
  else
 -KBUILD_CFLAGS += -O2
-+KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch -fno-caller-saves
++KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch $(EXTRA_OPTIMIZATION)
  endif
  
  include $(srctree)/arch/$(SRCARCH)/Makefile

diff --git a/target/linux/generic/patches-3.9/201-extra_optimization.patch b/target/linux/generic/patches-3.9/201-extra_optimization.patch
index bd8cc1226047ed9c68d47ac851809cc2ed7b30da..8354780aef264408db0b384433451d1940323fdb 100644 (file)
--- a/target/linux/generic/patches-3.9/201-extra_optimization.patch
+++ b/target/linux/generic/patches-3.9/201-extra_optimization.patch
@@ -5,10 +5,10 @@
  
  ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
 -KBUILD_CFLAGS += -Os
-+KBUILD_CFLAGS += -Os -fno-caller-saves
++KBUILD_CFLAGS += -Os $(EXTRA_OPTIMIZATION)
  else
 -KBUILD_CFLAGS += -O2
-+KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch -fno-caller-saves
++KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch $(EXTRA_OPTIMIZATION)
  endif
  
  include $(srctree)/arch/$(SRCARCH)/Makefile

diff --git a/target/linux/imx23/Makefile b/target/linux/imx23/Makefile
index b77988e78b31fb901758b19c877d4639e1e19c8d..f022cae8d5a401b23bedf2267b5547d50e963e92 100644 (file)
--- a/target/linux/imx23/Makefile
+++ b/target/linux/imx23/Makefile
@@ -10,7 +10,7 @@ ARCH:=arm
 BOARD:=imx23
 BOARDNAME:=Freescale i.MX23 series
 FEATURES:=ext4 rtc usb gpio
-CFLAGS:=-Os -pipe -march=armv5te -mtune=arm926ej-s -fno-caller-saves
+CFLAGS:=-Os -pipe -march=armv5te -mtune=arm926ej-s
 MAINTAINER:=Zoltan HERPAI <wigyori@uid0.hu>
 LINUX_VERSION:=3.10.3
 KERNELNAME:="zImage dtbs"

diff --git a/target/linux/lantiq/Makefile b/target/linux/lantiq/Makefile
index 25fea540800f90f82a47070b8deb5d9f1b03b9e2..94b506d4eec539e5bde5949fd50d9c5826df9fb1 100644 (file)
--- a/target/linux/lantiq/Makefile
+++ b/target/linux/lantiq/Makefile
@@ -13,7 +13,7 @@ SUBTARGETS=xway ase falcon
 
 LINUX_VERSION:=3.8.13
 
-CFLAGS=-Os -pipe -mips32r2 -fno-caller-saves -mno-branch-likely
+CFLAGS=-Os -pipe -mips32r2 -mno-branch-likely
 
 define Target/Description
        Build firmware images for Lantiq SoC

diff --git a/target/linux/malta/be/target.mk b/target/linux/malta/be/target.mk
index 90b655c8d2d2b043031098eb71f5303800341254..a4a00b7106ece5460edd8e06dcac8c2e76cb8887 100644 (file)
--- a/target/linux/malta/be/target.mk
+++ b/target/linux/malta/be/target.mk
@@ -3,7 +3,7 @@ ARCH_PACKAGES:=malta_mips
 SUBTARGET:=be
 BOARDNAME:=Big Endian
 FEATURES:=ramdisk mips16
-CFLAGS:=-Os -pipe -mips32r2 -mtune=mips32r2 -fno-caller-saves
+CFLAGS:=-Os -pipe -mips32r2 -mtune=mips32r2
 
 define Target/Description
        Build BE firmware images for MIPS Malta CoreLV board running in

diff --git a/target/linux/malta/be64/target.mk b/target/linux/malta/be64/target.mk
index 30804f4e1e534129f833ade3610094ba13749c3c..13c5d7e3b91e4b51f544e476f3b8c59bbae67ba5 100644 (file)
--- a/target/linux/malta/be64/target.mk
+++ b/target/linux/malta/be64/target.mk
@@ -2,7 +2,7 @@ ARCH:=mips64
 ARCH_PACKAGES:=malta_mips64
 SUBTARGET:=be64
 BOARDNAME:=Big Endian (64-bits)
-CFLAGS:=-Os -pipe -mips64 -mtune=mips64 -fno-caller-saves
+CFLAGS:=-Os -pipe -mips64 -mtune=mips64
 FEATURES:=ramdisk
 
 define Target/Description

diff --git a/target/linux/malta/le/target.mk b/target/linux/malta/le/target.mk
index 3b6e8953d014799552122f80796a4715ebe1ab61..e7c90e923589dbe947559328e91fa6b2000a9c85 100644 (file)
--- a/target/linux/malta/le/target.mk
+++ b/target/linux/malta/le/target.mk
@@ -3,7 +3,7 @@ ARCH_PACKAGES:=malta_mipsel
 SUBTARGET:=le
 BOARDNAME:=Little Endian
 FEATURES:=ramdisk mips16
-CFLAGS:=-Os -pipe -mips32r2 -mtune=mips32r2 -fno-caller-saves
+CFLAGS:=-Os -pipe -mips32r2 -mtune=mips32r2
 
 define Target/Description
        Build LE firmware images for MIPS Malta CoreLV board running in

diff --git a/target/linux/malta/le64/target.mk b/target/linux/malta/le64/target.mk
index bd5c63619e0df1c6311924b79315cb98a7959524..86fe90d446fa6f9bd0b5a8a043aac649c9ac8c37 100644 (file)
--- a/target/linux/malta/le64/target.mk
+++ b/target/linux/malta/le64/target.mk
@@ -2,7 +2,7 @@ ARCH:=mips64el
 ARCH_PACKAGES:=malta_mipsel64
 SUBTARGET:=le64
 BOARDNAME:=Little Endian (64-bits)
-CFLAGS:=-Os -pipe -mips64 -mtune=mips64 -fno-caller-saves
+CFLAGS:=-Os -pipe -mips64 -mtune=mips64
 FEATURES:=ramdisk
 
 define Target/Description

diff --git a/target/linux/mcs814x/Makefile b/target/linux/mcs814x/Makefile
index 55ae90c4c522b7bb3baab5a9a7ca7dceee09473a..dac17b8f90eb5dfb21b7c6525e34ce8a14362412 100644 (file)
--- a/target/linux/mcs814x/Makefile
+++ b/target/linux/mcs814x/Makefile
@@ -10,7 +10,7 @@ ARCH:=arm
 BOARD:=mcs814x
 BOARDNAME:=Moschip MCS814x
 FEATURES:=usb squashfs
-CFLAGS=-Os -pipe -march=armv5te -mtune=arm926ej-s -fno-caller-saves
+CFLAGS=-Os -pipe -march=armv5te -mtune=arm926ej-s
 MAINTAINER:=Florian Fainelli <florian@openwrt.org>
 
 LINUX_VERSION:=3.3.8

diff --git a/target/linux/mpc52xx/Makefile b/target/linux/mpc52xx/Makefile
index d3cf6a29503acbbe9dcdc62e469b3e2e80fdc612..7b07058944712e01ed33560493363f3a2845a153 100644 (file)
--- a/target/linux/mpc52xx/Makefile
+++ b/target/linux/mpc52xx/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 ARCH:=powerpc
 BOARD:=mpc52xx
 BOARDNAME:=Freescale MPC52xx
-CFLAGS:=-Os -pipe -fno-caller-saves -mcpu=603e
+CFLAGS:=-Os -pipe -mcpu=603e
 FEATURES:=targz ext4
 
 LINUX_VERSION:=3.8.13

diff --git a/target/linux/mpc83xx/Makefile b/target/linux/mpc83xx/Makefile
index 2a721dace07c9c485a3958ea2b042b1dc1c56257..1bb0d34bbcba455c15a4c7692ddf3e9172cefbb5 100644 (file)
--- a/target/linux/mpc83xx/Makefile
+++ b/target/linux/mpc83xx/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 ARCH:=powerpc
 BOARD:=mpc83xx
 BOARDNAME:=Freescale MPC83xx
-CFLAGS:=-Os -pipe -fno-caller-saves -mcpu=603e
+CFLAGS:=-Os -pipe -mcpu=603e
 FEATURES:=squashfs targz
 MAINTAINER:=Imre Kaloz <kaloz@openwrt.org>
 

diff --git a/target/linux/mpc85xx/Makefile b/target/linux/mpc85xx/Makefile
index 5a9e7ac6a140389283048713231b4f239dbe5833..c0dd6e216b0de653bb7bcc7fd2ceef6aa519bcd9 100644 (file)
--- a/target/linux/mpc85xx/Makefile
+++ b/target/linux/mpc85xx/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 ARCH:=powerpc
 BOARD:=mpc85xx
 BOARDNAME:=Freescale MPC85xx
-CFLAGS:=-Os -pipe -fno-caller-saves -mcpu=8540
+CFLAGS:=-Os -pipe -mcpu=8540
 FEATURES:=spe_fpu squashfs
 MAINTAINER:=Imre Kaloz <kaloz@openwrt.org>
 SUBTARGETS=generic p1020

diff --git a/target/linux/omap24xx/Makefile b/target/linux/omap24xx/Makefile
index a91b0d2d13eb2829fb501b557a35b604bd240be5..b3e54d31be0ea754e87007cf77f2c7e22a08155b 100644 (file)
--- a/target/linux/omap24xx/Makefile
+++ b/target/linux/omap24xx/Makefile
@@ -18,7 +18,7 @@ define Target/Description
        TI OMAP-24xx
 endef
 
-CFLAGS:=-Os -pipe -march=armv6 -mtune=arm1136j-s -fno-caller-saves
+CFLAGS:=-Os -pipe -march=armv6 -mtune=arm1136j-s
 
 KERNELNAME:="zImage"
 

diff --git a/target/linux/orion/Makefile b/target/linux/orion/Makefile
index 14cb688293dfe35bb8517b1b8c9787a570a4b507..fa06466e89f603fd89f3c40adcc97f71f6a5031b 100644 (file)
--- a/target/linux/orion/Makefile
+++ b/target/linux/orion/Makefile
@@ -10,7 +10,7 @@ ARCH:=arm
 BOARD:=orion
 BOARDNAME:=Marvell Orion
 SUBTARGETS:=generic harddisk
-CFLAGS=-Os -pipe -march=armv5te -mtune=xscale -fno-caller-saves
+CFLAGS=-Os -pipe -march=armv5te -mtune=xscale
 MAINTAINER:=Imre Kaloz <kaloz@openwrt.org>
 
 LINUX_VERSION:=3.3.8

diff --git a/target/linux/ppc40x/Makefile b/target/linux/ppc40x/Makefile
index 39b074a5c73a82593a6546a10b57dbe89c0ef84f..3ae5ca9d1751f374d78f09343e548c1995af3a6b 100644 (file)
--- a/target/linux/ppc40x/Makefile
+++ b/target/linux/ppc40x/Makefile
@@ -10,7 +10,7 @@ ARCH:=powerpc
 BOARD:=ppc40x
 BOARDNAME:=AMCC/IBM PPC40x
 FEATURES:=squashfs
-CFLAGS:=-Os -pipe -fno-caller-saves -mcpu=405
+CFLAGS:=-Os -pipe -mcpu=405
 MAINTAINER:=Imre Kaloz <kaloz@openwrt.org>
 
 LINUX_VERSION:=3.8.13

diff --git a/target/linux/ppc44x/Makefile b/target/linux/ppc44x/Makefile
index 45512b55cc7079cf3eba55d3d3f4a835bd25c4d8..bd62efb2580ebf1992e9aa8e6cfa840d04c9d296 100644 (file)
--- a/target/linux/ppc44x/Makefile
+++ b/target/linux/ppc44x/Makefile
@@ -10,7 +10,7 @@ ARCH:=powerpc
 BOARD:=ppc44x
 BOARDNAME:=AMCC/IBM PPC44x
 FEATURES:=squashfs broken
-CFLAGS:=-Os -pipe -fno-caller-saves -mcpu=440
+CFLAGS:=-Os -pipe -mcpu=440
 MAINTAINER:=Imre Kaloz <kaloz@openwrt.org>
 
 LINUX_VERSION:=3.8.13

diff --git a/target/linux/ramips/Makefile b/target/linux/ramips/Makefile
index d918b951c4c65261696762a918abe827c619327d..8d17d0ca324db24a471e0639dd35dde1cdb37de9 100644 (file)
--- a/target/linux/ramips/Makefile
+++ b/target/linux/ramips/Makefile
@@ -10,7 +10,7 @@ ARCH:=mipsel
 BOARD:=ramips
 BOARDNAME:=Ralink RT288x/RT3xxx
 SUBTARGETS:=rt288x rt305x rt3883 mt7620a
-CFLAGS:=-Os -pipe -fno-caller-saves -mno-branch-likely
+CFLAGS:=-Os -pipe -mno-branch-likely
 FEATURES:=squashfs gpio
 
 LINUX_VERSION:=3.10.3

diff --git a/target/linux/realview/Makefile b/target/linux/realview/Makefile
index 4668137c23d80a669276ac06f82c099a7480ec9d..4d6fa07acf6228e48f157a670b399bd5ff807fb9 100644 (file)
--- a/target/linux/realview/Makefile
+++ b/target/linux/realview/Makefile
@@ -10,7 +10,7 @@ ARCH:=arm
 BOARD:=realview
 BOARDNAME:=ARM Ltd. Realview board (qemu)
 FEATURES:=fpu ramdisk
-CFLAGS:=-Os -pipe -march=armv6k -mtune=mpcore -mfloat-abi=softfp -mfpu=vfp -fno-caller-saves
+CFLAGS:=-Os -pipe -march=armv6k -mtune=mpcore -mfloat-abi=softfp -mfpu=vfp
 MAINTAINER:=Florian Fainelli <florian@openwrt.org>
 
 LINUX_VERSION:=3.10.3

diff --git a/target/linux/sibyte/Makefile b/target/linux/sibyte/Makefile
index fb27b4633dfe02d5a7333d49aaedf9b678a08be8..440cff3b859e5df0866b46c809345d52bbb6b2c6 100644 (file)
--- a/target/linux/sibyte/Makefile
+++ b/target/linux/sibyte/Makefile
@@ -10,7 +10,7 @@ ARCH:=mips
 BOARD:=sibyte
 BOARDNAME:=Broadcom/SiByte SB-1
 FEATURES:=fpu ramdisk broken
-CFLAGS:=-Os -pipe -march=sb1 -fno-caller-saves
+CFLAGS:=-Os -pipe -march=sb1
 MAINTAINER:=Imre Kaloz <kaloz@openwrt.org>
 
 LINUX_VERSION:=3.3.8

diff --git a/target/linux/x86/rdc/target.mk b/target/linux/x86/rdc/target.mk
index c9589452b006ef880bdfc8344758b612317f862f..e38f5e200667cf96614e15094fdd72be2205140f 100644 (file)
--- a/target/linux/x86/rdc/target.mk
+++ b/target/linux/x86/rdc/target.mk
@@ -1,6 +1,6 @@
 BOARDNAME:=RDC R-321x
 FEATURES:=squashfs pci usb gpio pcmcia
-CFLAGS:=-Os -pipe -march=i486 -mtune=i486 -fno-caller-saves
+CFLAGS:=-Os -pipe -march=i486 -mtune=i486
 MAINTAINER:=Florian Fainelli <florian@openwrt.org>
 
 DEFAULT_PACKAGES += kmod-llc kmod-stp kmod-bridge kmod-8021q \