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Re: [PATCH] Prevent frame-related insn from occurring in delay slots of insns that throw
- From: Richard Henderson <rth at redhat dot com>
- To: Paul Brook <paul at codesourcery dot com>
- Cc: Tom de Vries <Tom_deVries at mentor dot com>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, dave dot anglin at bell dot net, Andrew Pinski <pinskia at gmail dot com>
- Date: Mon, 30 Jan 2012 11:09:49 +1100
- Subject: Re: [PATCH] Prevent frame-related insn from occurring in delay slots of insns that throw
- References: <4F246144.4070109@mentor.com> <4F25B026.7020902@redhat.com> <201201300007.29666.paul@codesourcery.com>
On 01/30/2012 11:07 AM, Paul Brook wrote:
> However this is a issue of debug experiance rather than code correctness. My
> guess is most architectures don't allow you to singlestep into delay slots, so
> any use of delay slots may cause lossage[1], not just frame related ones.
Certainly Sparc can single-step delay slots. I assumed others do as well.
r~