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From: Stefan Agner <stefan@agner.ch>
To: linux@armlinux.org.uk
Cc: robin.murphy@arm.com, will.deacon@arm.com,
	ndesaulniers@google.com, natechancellor@gmail.com, arnd@arndb.de,
	ard.biesheuvel@linaro.org, nicolas.pitre@linaro.org,
	thierry.reding@gmail.com, julien.thierry@arm.com,
	mark.rutland@arm.com, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Stefan Agner <stefan@agner.ch>
Subject: [PATCH v2 2/2] ARM: drop -mauto-it
Date: Mon, 18 Mar 2019 00:05:27 +0100	[thread overview]
Message-ID: <a5a1563967a9d9ff30b39559cdf9dfb997970401.1552863571.git.stefan@agner.ch> (raw)
In-Reply-To: <e3f3bf27430712ee88c0b600f3d62cb86d327b75.1552863571.git.stefan@agner.ch>

The assembler option -mauto-it is no longer a valid option. The last
remaining references have been removed from the documentation in
July 2009 [0].

The currently supported binutils version is 2.20 (released in
September 2009) or higher where gas supports -mimplicit-it=always.
Drop the fallback to -mauto-it and use -mimplicit-it=always only.

[0] https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=529707530657a333a304c651c808ea630c955223

Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
---
Changes in v2:
- Drop $(comma) since we are no longer use the call to as-option.

 arch/arm/Makefile | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index df3ad82d312c..eb9d38e77cf0 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -113,8 +113,7 @@ CFLAGS_ABI	+=-funwind-tables
 endif
 
 ifeq ($(CONFIG_THUMB2_KERNEL),y)
-AFLAGS_AUTOIT	:=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
-CFLAGS_ISA	:=-mthumb $(AFLAGS_AUTOIT)
+CFLAGS_ISA	:=-mthumb -Wa,-mimplicit-it=always
 AFLAGS_ISA	:=$(CFLAGS_ISA) -Wa$(comma)-mthumb
 # Work around buggy relocation from gas if requested:
 ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y)
-- 
2.21.0


  reply	other threads:[~2019-03-17 23:05 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-17 23:05 [PATCH v2 1/2] ARM: drop WASM to work around LLVM issue Stefan Agner
2019-03-17 23:05 ` Stefan Agner [this message]
2019-03-18 18:09 ` Nick Desaulniers
2019-03-19 22:07   ` Stefan Agner

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