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Re: [PATCH] x86-64: Align the stack in __tls_get_addr [BZ #21609]

From: Nicholas Miell <nmiell at gmail dot com>
To: "H.J. Lu" <hjl dot tools at gmail dot com>, Florian Weimer <fweimer at redhat dot com>
Cc: libc-alpha at sourceware dot org, Jakub Jelinek <jakub at redhat dot com>
Date: Mon, 3 Jul 2017 16:47:54 -0700
Subject: Re: [PATCH] x86-64: Align the stack in __tls_get_addr [BZ #21609]
Authentication-results: sourceware.org; auth=none
References: <f5ac0827-0c3a-cc1d-eb14-6efb905bd53d@redhat.com> <14a88e5f-a8c6-cd78-a363-1368d175f605@redhat.com> <20170703202551.GA17398@gmail.com>

On 07/03/2017 01:25 PM, H.J. Lu wrote:


Hi Florian,

I prefer to let GCC realign the stack for us.  What do you think?

H.J.

That's what I originally suggested, but Florian's assembly version hasthe advantage that it only realigns the stack in the slow path.

References:
- Re: [PATCH] x86-64: Align the stack in __tls_get_addr [BZ #21609]
  - From: H.J. Lu

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