diff options
| -rw-r--r-- | Kconfig | 17 | ||||
| -rw-r--r-- | Makefile | 4 | ||||
| -rw-r--r-- | arch/sh/lib/Makefile | 2 |
3 files changed, 18 insertions, 5 deletions
@@ -72,15 +72,26 @@ config CLANG_VERSION int default $(shell,$(srctree)/scripts/clang-version.sh $(CC)) +choice + prompt "Optimization level" + default CC_OPTIMIZE_FOR_SIZE + config CC_OPTIMIZE_FOR_SIZE bool "Optimize for size" - default y help - Enabling this option will pass "-Os" instead of "-O2" to gcc - resulting in a smaller U-Boot image. + Enabling this option will pass "-Os" to gcc, resulting in a smaller + U-Boot image. This option is enabled by default for U-Boot. +config CC_OPTIMIZE_FOR_SPEED + bool "Optimize for speed" + help + Enabling this option will pass "-O2" to gcc, resulting in a faster + U-Boot image. + +endchoice + config OPTIMIZE_INLINING bool "Allow compiler to uninline functions marked 'inline' in full U-Boot" help @@ -683,7 +683,9 @@ endif ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE KBUILD_CFLAGS += -Os -else +endif + +ifdef CONFIG_CC_OPTIMIZE_FOR_SPEED KBUILD_CFLAGS += -O2 endif diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile index 9618da1cb3..e7520a328d 100644 --- a/arch/sh/lib/Makefile +++ b/arch/sh/lib/Makefile @@ -12,7 +12,7 @@ obj-$(CONFIG_CMD_SH_ZIMAGEBOOT) += zimageboot.o udivsi3-y := udivsi3_i4i-Os.o -ifneq ($(CONFIG_CC_OPTIMIZE_FOR_SIZE),y) +ifeq ($(CONFIG_CC_OPTIMIZE_FOR_SPEED),y) udivsi3-$(CONFIG_CPU_SH4) := udivsi3_i4i.o endif udivsi3-y += udivsi3.o |