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[PATCH][ARM] Use __ARM_ARCH instead of __ARM_ARCH__

From: Christophe Lyon <christophe dot lyon at linaro dot org>
To: gcc Patches <gcc-patches at gcc dot gnu dot org>, Kyrylo Tkachov <kyrylo dot tkachov at arm dot com>, Richard Earnshaw <Richard dot Earnshaw at arm dot com>
Date: Fri, 15 Jun 2018 16:30:48 +0200
Subject: [PATCH][ARM] Use __ARM_ARCH instead of __ARM_ARCH__

Hello,

As suggested in [1], the attached patch removes all definitions and
uses of __ARM_ARCH__ and uses __ARM_ARCH instead. The later is indeed
defined by the preprocessor to the appropriate value.

I ran make check on arm-none-eabi (with A-profile multilib),
arm-none-linux-gnueabi, arm-none-linux-gnueabihf (with cortex-a9, a15,
a5, a57 and armtdmi as --with-cpu), armeb-none-linux-gnueabihf and
armv8l-linux-gnueabihf, and noticed no regression.

OK for trunk?

Thanks,

Christophe

[1] https://gcc.gnu.org/ml/gcc-patches/2018-06/msg00445.html

Attachment: ARM_ARCH.chlog.txt
Description: Text document

Attachment: ARM_ARCH.patch.txt
Description: Text document

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