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Re: [PATCH] PR 16373: -fomit-frame-pointer when optimizing on x86

From: Richard Henderson <rth at redhat dot com>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: Roger Sayle <roger at eyesopen dot com>, gcc-patches at gcc dot gnu dot org
Date: Mon, 12 Jul 2004 13:19:49 -0700
Subject: Re: [PATCH] PR 16373: -fomit-frame-pointer when optimizing on x86
References: <Pine.LNX.4.44.0407111656250.8220-100000@www.eyesopen.com> <20040712052413.GF21264@devserv.devel.redhat.com>

On Mon, Jul 12, 2004 at 01:24:14AM -0400, Jakub Jelinek wrote:
> I don't think we can turn -fomit-frame-pointer by default on unless
> we also -fasynchronous-unwind-tables, because otherwise things like
> glibc's backtrace(3) has zero chance of ever working.

Indeed.  We might talk about turning on -momit-leaf-frame-pointer
again, though.


r~

Follow-Ups:
- Re: [PATCH] PR 16373: -fomit-frame-pointer when optimizing on x86
  - From: Roger Sayle

References:
- [PATCH] PR 16373: -fomit-frame-pointer when optimizing on x86
  - From: Roger Sayle
- Re: [PATCH] PR 16373: -fomit-frame-pointer when optimizing on x86
  - From: Jakub Jelinek

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