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[v4,31/31] arm64: move GCC version check for ARCH_SUPPORTS_INT128 to Kconfig

Message ID 1526537830-22606-32-git-send-email-yamada.masahiro@socionext.com
State Accepted
Commit f3a53f7b5740b0cd411262ee56a0fb7248199d3a
Headers show
Series kconfig: move compiler capability tests to Kconfig | expand

Commit Message

Masahiro Yamada May 17, 2018, 6:17 a.m. UTC 
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>

---

Changes in v4:
 - Rebase

Changes in v3:
 - Newly added

Changes in v2: None

 arch/arm64/Kconfig  | 1 +
 arch/arm64/Makefile | 6 ------
 2 files changed, 1 insertion(+), 6 deletions(-)

-- 
2.7.4
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Patch

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index eb2cf49..119b18e 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -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
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 87f7d2f..cefd1e9 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -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__