Re: Add support for dumping multiple dump files under one name

["Andre Vieira (lists)" <Andre dot SimoesDiasVieira at arm dot com>]

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?

Cheers,
Andre