[PATCH] ARM: drop no-thumb-interwork in EABI mode

[PATCH] ARM: drop no-thumb-interwork in EABI mode

[Ahmad Fatoum]

From: Stefan Agner <stefan@agner.ch>

According to GCC documentation -m(no-)thumb-interwork is
meaningless in AAPCS configurations. Also clang does not
support the flag:
  clang-5.0: error: unknown argument: '-mno-thumb-interwork'

Just drop -mno-thumb-interwork in AEABI configuration.

Signed-off-by: Stefan Agner <stefan@agner.ch>
[afa: ported from Linux 22905a24306c ("ARM: 8766/1: drop no-thumb-interwork in EABI mode")]
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
---
 arch/arm/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 96613cc5ba72..9dc0897e5833 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -54,7 +54,7 @@ ifeq ($(CONFIG_CPU_V8), y)
 CFLAGS_ABI	:=-mabi=lp64
 else
 ifeq ($(CONFIG_AEABI),y)
-CFLAGS_ABI	:=-mabi=aapcs-linux -mno-thumb-interwork
+CFLAGS_ABI	:=-mabi=aapcs-linux
 else
 CFLAGS_ABI	:=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
 endif
-- 
2.30.0


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Re: [PATCH] ARM: drop no-thumb-interwork in EABI mode

[Sascha Hauer]

On Sun, Feb 07, 2021 at 08:05:08AM +0100, Ahmad Fatoum wrote:
> From: Stefan Agner <stefan@agner.ch>
> 
> According to GCC documentation -m(no-)thumb-interwork is
> meaningless in AAPCS configurations. Also clang does not
> support the flag:
>   clang-5.0: error: unknown argument: '-mno-thumb-interwork'
> 
> Just drop -mno-thumb-interwork in AEABI configuration.
> 
> Signed-off-by: Stefan Agner <stefan@agner.ch>
> [afa: ported from Linux 22905a24306c ("ARM: 8766/1: drop no-thumb-interwork in EABI mode")]
> Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>

Applied, thanks

Sascha

> ---
>  arch/arm/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/Makefile b/arch/arm/Makefile
> index 96613cc5ba72..9dc0897e5833 100644
> --- a/arch/arm/Makefile
> +++ b/arch/arm/Makefile
> @@ -54,7 +54,7 @@ ifeq ($(CONFIG_CPU_V8), y)
>  CFLAGS_ABI	:=-mabi=lp64
>  else
>  ifeq ($(CONFIG_AEABI),y)
> -CFLAGS_ABI	:=-mabi=aapcs-linux -mno-thumb-interwork
> +CFLAGS_ABI	:=-mabi=aapcs-linux
>  else
>  CFLAGS_ABI	:=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
>  endif
> -- 
> 2.30.0
> 
> 
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