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Re: [Patch, ARM] Relax the restrictions on REG_SP under Thumb mode on ARMv8-A

From: Jiong Wang <jiong dot wang at foss dot arm dot com>
To: Ramana Radhakrishnan <ramana dot gcc at googlemail dot com>, gingold at adacore dot com
Cc: Binutils <binutils at sourceware dot org>
Date: Mon, 24 Jul 2017 12:14:54 +0100
Subject: Re: [Patch, ARM] Relax the restrictions on REG_SP under Thumb mode on ARMv8-A
Authentication-results: sourceware.org; auth=none
References: <eb7cf1cc-0a13-52eb-f8a9-f9d2733d45b2@foss.arm.com> <CAJA7tRbaq4Uo3G+818wMX1-oxTWGRq+0uDkZwK936iNXS6XZiw@mail.gmail.com> <e83fb795-2d9d-45c6-5883-81c1ece9be82@foss.arm.com>

On 11/07/17 13:38, Jiong Wang wrote:



This patch relaxes one restriction on REG_SP.  That restriction is valid
before ARMv8-A, but has been removed since ARMv8-A on ARM32.  GAS support
had missed this.  I think there is no risk to backport this bug fix.

I will wait Tristan's approval.


Have pushed to 2.28 branch after quick build and gas cross-regression OK.

This privately approved by Tristan.

Thanks.

Regards,
Jiong

References:
- Re: [Patch, ARM] Relax the restrictions on REG_SP under Thumb mode on ARMv8-A
  - From: Ramana Radhakrishnan
- Re: [Patch, ARM] Relax the restrictions on REG_SP under Thumb mode on ARMv8-A
  - From: Jiong Wang

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