Re: Proposal: readable and writable attributes on variables

2016-09-07 Thread Jeff Law
On 09/01/2016 09:04 AM, Martin Sebor wrote: Understood. I think a write-only attribute or type qualifier would make sense. Until/unless it's implemented I would recommend to work around its absence by hiding access to the registers behind a read- only and write-only functional API. As you note

Re: why do we need xtensa-config.h?

2016-09-07 Thread augustine.sterl...@gmail.com
On Wed, Sep 7, 2016 at 9:21 AM, augustine.sterl...@gmail.com wrote: > Hope this helps, and I'm happy to answer more questions. Also, one technique commonly used by people who ship software for Xtensa is to write it such that it could compile for any variant at all. This requires care, but is quit

Re: why do we need xtensa-config.h?

2016-09-07 Thread augustine.sterl...@gmail.com
On Tue, Sep 6, 2016 at 11:55 PM, Thomas Schwinge wrote: > Hi! > > Neither do I really know anything about Xtensa, nor do I have a lot of > experience in these parts of GCC back ends, but: There is a lot of background to know here. Unfortunately, I have no familiarity with making debian packages,

Re: Advice sought for debugging a lto1 ICE (was: Implement C _FloatN, _FloatNx types [version 6])

2016-09-07 Thread Richard Biener
On Wed, Sep 7, 2016 at 1:52 PM, Thomas Schwinge wrote: > Hi! > > I trimmed the CC list -- I'm looking for advice about debugging a lto1 > ICE. > > On Fri, 19 Aug 2016 11:05:59 +, Joseph Myers > wrote: >> On Fri, 19 Aug 2016, Richard Biener wrote: >> > Can you quickly verify if LTO works with

Advice sought for debugging a lto1 ICE (was: Implement C _FloatN, _FloatNx types [version 6])

2016-09-07 Thread Thomas Schwinge
Hi! I trimmed the CC list -- I'm looking for advice about debugging a lto1 ICE. On Fri, 19 Aug 2016 11:05:59 +, Joseph Myers wrote: > On Fri, 19 Aug 2016, Richard Biener wrote: > > Can you quickly verify if LTO works with the new types? I don't see > > anything > > that would prevent it b

Re: why do we need xtensa-config.h?

2016-09-07 Thread Max Filippov
Hello, On Tue, Sep 6, 2016 at 11:42 AM, Oleksij Rempel wrote: > i'm one of ath9k-htc-firmware developers. Currently i'm looking for the > way to provide this firmware as opensource/free package for debian. Main > problem seems to be the need to patch gcc xtensa-config.h to make it > suitable for