[RFC] [PATCH v3 0/8] [i386] Use out-of-line stubs for ms_abi pro/epilogues
JonY
10walls@gmail.com
Fri Feb 10 11:34:00 GMT 2017
On 02/10/2017 10:32 AM, Uros Bizjak wrote:
> On Tue, Feb 7, 2017 at 7:38 PM, Daniel Santos <daniel.santos@pobox.com> wrote:
>
>> Uros or Jan,
>> Please take this as a ping, as I never bothered pinging after submitting v2
>> since I found a few more issues with it. :) Although I realize this would be
>> a GCC 8 stage 1 item, I would like to try to get it finished up and
>> tentatively approved as soon as I can. I have tried to summarize this patch
>> set as clearly and succinctly below as possible. Thanks!
>
> You will need a sign-off from cygwin od mingw-w64 maintainer (CC'd).
> While I can review the patch in the sense that it won't break generic
> code, I don't know nothing about mingw-64 to give you any meaningful
> advice.
>
> Uros.
>
Hi,
Thanks for the code size reduction patch, I have a few questions:
1. How does code compiled with -moutline-msabi-xlogues interact with
older code compiled without it? Are these only called on ABI transition?
2. Does this mean code compiled with -moutline-msabi-xlogues is not
usable with older GCC? (no a problem, just something to note).
3. Is the old behavior (emit inline code) still default?
mingw-w64 itself does not use any ms_abi/sysv_abi marked functions
internally, so it should be unaffected. I don't think Cygwin uses any
either, but I need to double check.
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