From patchwork Tue Nov 22 21:30:22 2011
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: support LTO of transactional memory
From: Aldy Hernandez <aldyh@redhat.com>
X-Patchwork-Id: 127175
Message-Id: <4ECC146E.2080304@redhat.com>
To: Iain Sandoe <developer@sandoe-acoustics.co.uk>
Cc: Jack Howarth <howarth@bromo.med.uc.edu>,
 Richard Henderson <rth@redhat.com>,
 gcc-patches <gcc-patches@gcc.gnu.org>, Andrew Pinski <pinskia@gmail.com>
Date: Tue, 22 Nov 2011 15:30:22 -0600

> It's a consequence of a combination of the way that "weak" works on
> Darwin, and the fact that I tried to make a "one size fits all" crt.
>
>>
>> Can you try this?
>> <curr.txt>
>
> we will need a dummy for _ITM_deregisterTMCloneTable as well.

Then try this; similarly for any other symbols Darwin may be generating.

Feel free to commit as obvious, or just let me know if it works and I 
can commit.
testsuite/
	* gcc.dg/lto/trans-mem-2_0.c: Add _ITM_*registerTMCloneTable dummy.
	* gcc.dg/lto/trans-mem-1_1.c: Add _ITM_*registerTMCloneTable dummy.


Index: testsuite/gcc.dg/lto/trans-mem-2_0.c
===================================================================
--- testsuite/gcc.dg/lto/trans-mem-2_0.c	(revision 181629)
+++ testsuite/gcc.dg/lto/trans-mem-2_0.c	(working copy)
@@ -9,6 +9,8 @@ dummy(_ITM_beginTransaction)
 dummy(_ITM_commitTransaction)
 dummy(_ITM_WU4)
 dummy(_ITM_WU8)
+dummy(_ITM_registerTMCloneTable)
+dummy(_ITM_deregisterTMCloneTable)
 
 main()
 {
Index: testsuite/gcc.dg/lto/trans-mem-1_1.c
===================================================================
--- testsuite/gcc.dg/lto/trans-mem-1_1.c	(revision 181629)
+++ testsuite/gcc.dg/lto/trans-mem-1_1.c	(working copy)
@@ -5,3 +5,5 @@ dummy(_ITM_beginTransaction)
 dummy(_ITM_commitTransaction)
 dummy(_ITM_WU4)
 dummy(_ITM_WU8)
+dummy(_ITM_registerTMCloneTable)
+dummy(_ITM_deregisterTMCloneTable)