Add support for dumping multiple dump files under one name

[Andre Vieira (lists)]

On 03/07/18 15:15, David Malcolm wrote:
> On Tue, 2018-07-03 at 11:00 +0100, Andre Vieira (lists) wrote:
>> On 29/06/18 11:13, David Malcolm wrote:
>>> On Fri, 2018-06-29 at 10:15 +0200, Richard Biener wrote:
>>>> On Fri, 22 Jun 2018, Jan Hubicka wrote:
>>>>
>>>>> Hi,
>>>>> this patch adds dumpfile support for dumps that come in
>>>>> multiple
>>>>> parts.  This
>>>>> is needed for WPA stream-out dump since we stream partitions in
>>>>> parallel and
>>>>> the dumps would come up in random order.  Parts are added by
>>>>> new
>>>>> parameter that
>>>>> is initialzed by default to -1 (no parts). 
>>>>>
>>>>> One thing I skipped is any support for duplicated opening of
>>>>> file
>>>>> with parts since I do not need it.
>>>>>
>>>>> Bootstrapped/regtested x86_64-linux, OK?
>>>>
>>>> Looks reasonable - David, anything you want to add / have
>>>> changed?
>>>
>>> No worries from my side; I don't think it interacts with the
>>> optimization records stuff I'm working on - presumably this is just
>>> for
>>> dumping the WPA stream-out, rather than for dumping specific
>>> optimizations.
>>>
>>> [...snip...]
>>>
>>> Dave
>>>
>>
>> Hi David,
>>
>> I believe r262245 is causing the following failures on aarch64 and
>> arm:
>>
>> FAIL: gcc.dg/vect/slp-perm-1.c -flto -ffat-lto-objects  scan-tree-
>> dump
>> vect "note: Built SLP cancelled: can use load/store-lanes"
>> FAIL: gcc.dg/vect/slp-perm-1.c scan-tree-dump vect "note: Built SLP
>> cancelled: can use load/store-lanes"
>> FAIL: gcc.dg/vect/slp-perm-2.c -flto -ffat-lto-objects  scan-tree-
>> dump
>> vect "note: Built SLP cancelled: can use load/store-lanes"
>> FAIL: gcc.dg/vect/slp-perm-2.c scan-tree-dump vect "note: Built SLP
>> cancelled: can use load/store-lanes"
>> FAIL: gcc.dg/vect/slp-perm-3.c -flto -ffat-lto-objects  scan-tree-
>> dump
>> vect "note: Built SLP cancelled: can use load/store-lanes"
>> FAIL: gcc.dg/vect/slp-perm-3.c scan-tree-dump vect "note: Built SLP
>> cancelled: can use load/store-lanes"
>> FAIL: gcc.dg/vect/slp-perm-5.c -flto -ffat-lto-objects  scan-tree-
>> dump
>> vect "note: Built SLP cancelled: can use load/store-lanes"
>> FAIL: gcc.dg/vect/slp-perm-5.c scan-tree-dump vect "note: Built SLP
>> cancelled: can use load/store-lanes"
>> FAIL: gcc.dg/vect/slp-perm-6.c -flto -ffat-lto-objects  scan-tree-
>> dump
>> vect "note: Built SLP cancelled: can use load/store-lanes"
>> FAIL: gcc.dg/vect/slp-perm-6.c scan-tree-dump vect "note: Built SLP
>> cancelled: can use load/store-lanes"
>> FAIL: gcc.dg/vect/slp-perm-7.c -flto -ffat-lto-objects  scan-tree-
>> dump
>> vect "note: Built SLP cancelled: can use load/store-lanes"
>> FAIL: gcc.dg/vect/slp-perm-7.c scan-tree-dump vect "note: Built SLP
>> cancelled: can use load/store-lanes"
>> FAIL: gcc.dg/vect/slp-perm-8.c -flto -ffat-lto-objects  scan-tree-
>> dump
>> vect "note: Built SLP cancelled: can use load/store-lanes"
>> FAIL: gcc.dg/vect/slp-perm-8.c scan-tree-dump vect "note: Built SLP
>> cancelled: can use load/store-lanes"
>>
>> Could you please have a look?
> 
> Sorry about this; I think my r262246 ("dumpfile.c: add indentation via
> DUMP_VECT_SCOPE") caused this.
> 
> Does https://gcc.gnu.org/ml/gcc-patches/2018-07/msg00122.html help?

Yes it does. Thank you!

Andre
> 
> Dave
>