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arm64: move GCC version check for ARCH_SUPPORTS_INT128 to Kconfig 

This becomes much neater in Kconfig.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
hifive-unleashed-5.1
Masahiro Yamada 2018-05-17 15:17:10 +09:00
parent 469cb7376c
commit f3a53f7b57
2 changed files with 1 additions and 6 deletions
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1
arch/arm64/Kconfig
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@ -43,6 +43,7 @@ config ARM64
select ARCH_USE_QUEUED_RWLOCKS
select ARCH_SUPPORTS_MEMORY_FAILURE
select ARCH_SUPPORTS_ATOMIC_RMW
select ARCH_SUPPORTS_INT128 if GCC_VERSION >= 50000 || CC_IS_CLANG
select ARCH_SUPPORTS_NUMA_BALANCING
select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
select ARCH_WANT_FRAME_POINTERS

6
arch/arm64/Makefile
View File

@ -56,12 +56,6 @@ KBUILD_AFLAGS += $(lseinstr) $(brokengasinst)
KBUILD_CFLAGS += $(call cc-option,-mabi=lp64)
KBUILD_AFLAGS += $(call cc-option,-mabi=lp64)
ifeq ($(cc-name),clang)
KBUILD_CFLAGS += -DCONFIG_ARCH_SUPPORTS_INT128
else
KBUILD_CFLAGS += $(call cc-ifversion, -ge, 0500, -DCONFIG_ARCH_SUPPORTS_INT128)
endif
ifeq ($(CONFIG_CPU_BIG_ENDIAN), y)
KBUILD_CPPFLAGS += -mbig-endian
CHECKFLAGS += -D__AARCH64EB__