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Re: we are starting the wide int merge
- From: Richard Sandiford <rdsandiford at googlemail dot com>
- To: Gerald Pfeifer <gerald at pfeifer dot com>
- Cc: Mike Stump <mikestump at comcast dot net>, Kenneth Zadeck <zadeck at naturalbridge dot com>, gcc at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
- Date: Sat, 17 May 2014 09:33:50 +0100
- Subject: Re: we are starting the wide int merge
- Authentication-results: sourceware.org; auth=none
- References: <5368FD99 dot 2010607 at naturalbridge dot com> <A41D2B7B-480F-475B-B1CB-9FD001F5622C at comcast dot net> <alpine dot LSU dot 2 dot 11 dot 1405102137220 dot 2722 at tuna dot site> <alpine dot LSU dot 2 dot 11 dot 1405161854490 dot 2259 at tuna dot site>
Gerald Pfeifer <gerald@pfeifer.com> writes:
> On Sat, 10 May 2014, Gerald Pfeifer wrote:
>> Since (at least) 16:40 UTC that day my i386-unknown-freebsd10.0 builds
>> fail as follows:
>>
>> Comparing stages 2 and 3
>> warning: gcc/cc1obj-checksum.o differs
>> warning: gcc/cc1-checksum.o differs
>> warning: gcc/cc1plus-checksum.o differs
>> Bootstrap comparison failure!
>> gcc/fold-const.o differs
>> gcc/simplify-rtx.o differs
>> gcc/tree-ssa-ccp.o differs
>>
>> (FreeBSD/i386 really builds for i486, but retains the original name;
>> I'm traveling with limited access, but would not be surprised for this
>> to also show up for i386-*-linux-gnu or i486-*-linux-gnu.)
>
> Is anybody able to reproduce this, for example on a GNU/Linux system?
>
> This tester of mine hasn't been able to bootstrap for nearly a week,
> and timing-wise it would be really a coincidence were this not due to
> wide-int.
i386-linux-gnu won't bootstrap for me because there are no out-of-line
definitions of the sync_* routines. I think this is expected.
i486-linux-gnu seems to bootstrap fine.
To rule out one possibility: which GCC are you using for stage1?
Thanks,
Richard