From: Joseph Myers <joseph@codesourcery.com>
To: Richard Biener <richard.guenther@gmail.com>
Cc: Thomas Schwinge <thomas@codesourcery.com>,
GCC Patches <gcc-patches@gcc.gnu.org>,
GCC Development <gcc@gcc.gnu.org>,
Jakub Jelinek <jakub@redhat.com>,
Bernd Schmidt <bschmidt@redhat.com>
Subject: Re: [PR lto/77458] Avoid ICE in offloading with differing _FloatN, _FloatNx types (was: Advice sought for debugging a lto1 ICE (was: Implement C _FloatN, _FloatNx types [version 6]))
Date: Fri, 16 Sep 2016 17:57:00 -0000 [thread overview]
Message-ID: <alpine.DEB.2.20.1609161701520.14509@digraph.polyomino.org.uk> (raw)
In-Reply-To: <CAFiYyc22Gg_=kdjuT8jKLcOyxhU8ugrxri15jTPTnunDC+4EUA@mail.gmail.com>
On Fri, 16 Sep 2016, Richard Biener wrote:
> Humm ... do we anywhere compare to those global trees by pointer equivalence?
> If so then it breaks LTO support for those types.
The C front end compares main variants to those types for handling usual
arithmetic conversions (and more generally for type compatibility), but
that's not relevant to LTO. I don't think there should be such
comparisons outside the front ends.
--
Joseph S. Myers
joseph@codesourcery.com
next prev parent reply other threads:[~2016-09-16 17:04 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-21 12:07 Implement C _FloatN, _FloatNx types Joseph Myers
2016-06-21 15:17 ` FX
2016-06-21 15:38 ` Joseph Myers
2016-06-21 15:21 ` Bill Schmidt
2016-06-21 15:43 ` Joseph Myers
2016-06-21 17:42 ` Implement C _FloatN, _FloatNx types [version 2] Joseph Myers
2016-06-21 20:53 ` Michael Meissner
2016-06-21 21:18 ` Joseph Myers
2016-06-22 20:43 ` Joseph Myers
2016-06-22 21:45 ` FX
2016-06-23 14:20 ` Implement C _FloatN, _FloatNx types [version 3] Joseph Myers
2016-06-27 17:31 ` Ping " Joseph Myers
2016-06-27 21:20 ` Bill Schmidt
2016-06-27 21:24 ` Joseph Myers
2016-06-27 21:38 ` Segher Boessenkool
2016-07-19 13:54 ` Implement C _FloatN, _FloatNx types [version 4] Joseph Myers
2016-07-22 21:59 ` Implement C _FloatN, _FloatNx types [version 5] Joseph Myers
2016-07-29 17:37 ` Ping " Joseph Myers
2016-07-29 22:09 ` Michael Meissner
2016-08-04 23:54 ` Michael Meissner
2016-08-05 0:12 ` Joseph Myers
2016-08-10 11:33 ` Ping^2 " Joseph Myers
2016-08-10 17:14 ` Paul Richard Thomas
2016-08-11 7:05 ` FX
2016-08-15 22:21 ` Ping^3 " Joseph Myers
2016-08-17 15:43 ` James Greenhalgh
2016-08-17 16:44 ` Joseph Myers
2016-08-17 20:17 ` Implement C _FloatN, _FloatNx types [version 6] Joseph Myers
[not found] ` <CAFiYyc3xqcqJ1rK2X0rC+wwpx3akHbULVG1G47PRmtk4wTk=7A@mail.gmail.com>
2016-08-19 11:06 ` Joseph Myers
2016-08-19 11:11 ` Richard Biener
2016-08-19 14:40 ` Joseph Myers
2016-08-19 15:52 ` David Malcolm
2016-08-19 16:51 ` Joseph Myers
2016-08-19 17:21 ` David Malcolm
2016-09-07 12:18 ` Advice sought for debugging a lto1 ICE (was: Implement C _FloatN, _FloatNx types [version 6]) Thomas Schwinge
2016-09-07 12:28 ` Richard Biener
2016-09-08 11:53 ` Thomas Schwinge
2016-09-14 10:24 ` Richard Biener
2016-09-16 7:21 ` [PR lto/77458] Avoid ICE in offloading with differing _FloatN, _FloatNx types (was: Advice sought for debugging a lto1 ICE (was: Implement C _FloatN, _FloatNx types [version 6])) Thomas Schwinge
2016-09-16 9:02 ` Richard Biener
2016-09-16 14:00 ` Thomas Schwinge
2016-09-16 18:02 ` Joseph Myers
2016-09-19 8:40 ` Richard Biener
2016-09-19 11:04 ` Thomas Schwinge
2016-09-19 13:22 ` Joseph Myers
2016-09-19 8:53 ` Richard Biener
2016-09-19 11:57 ` Thomas Schwinge
2016-09-19 12:07 ` Richard Biener
2016-09-29 13:26 ` [PR lto/77458] Avoid ICE in offloading with differing _FloatN, _FloatNx types Thomas Schwinge
2016-10-17 15:59 ` Thomas Schwinge
2016-10-19 10:58 ` Thomas Schwinge
2016-09-29 14:55 ` Explicitly list all tree codes in gcc/tree-streamer.c:record_common_node (was: [PR lto/77458] Avoid ICE in offloading with differing _FloatN, _FloatNx types) Thomas Schwinge
2016-09-30 8:10 ` Richard Biener
2016-10-17 15:57 ` Explicitly list all tree codes in gcc/tree-streamer.c:record_common_node Thomas Schwinge
2016-09-16 17:57 ` Joseph Myers [this message]
2016-08-19 15:28 ` Implement C _FloatN, _FloatNx types [version 6] Szabolcs Nagy
2016-08-19 16:24 ` Joseph Myers
2016-08-31 16:58 ` James Greenhalgh
2016-08-31 17:26 ` Joseph Myers
2016-09-01 10:52 ` Szabolcs Nagy
2016-09-01 15:40 ` Joseph Myers
2016-08-21 9:50 ` Andreas Schwab
2016-08-22 10:46 ` Joseph Myers
2016-08-22 8:09 ` [BUILDROBOT] x86_64: Segmentation fault during -fself-test (was: " Jan-Benedict Glaw
2016-08-22 11:23 ` Joseph Myers
2016-08-22 10:48 ` Matthew Wahab
2016-08-22 11:48 ` Joseph Myers
2016-08-22 17:52 ` Joseph Myers
2016-09-03 19:46 ` Andreas Schwab
2016-09-05 11:45 ` Joseph Myers
2016-09-06 9:02 ` Richard Biener
2016-09-06 11:18 ` Joseph Myers
2016-07-19 11:29 ` Implement C _FloatN, _FloatNx types [version 3] James Greenhalgh
2016-07-28 22:43 ` Joseph Myers
2016-08-09 15:26 ` James Greenhalgh
2016-08-09 20:44 ` Joseph Myers
2016-08-05 0:09 ` Implement C _FloatN, _FloatNx types Michael Meissner
2016-08-05 0:35 ` Joseph Myers
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