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On 06/18/11 03:10, Ramana Radhakrishnan wrote:
> This seems to have triggered
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49452
>
> on arm-linux-gnueabi
>
> Might well be a DUP of PR49429 but I haven't looked at it yet.
It is effectively a dupli
On Sat, Jun 18, 2011 at 9:03 PM, Easwaran Raman wrote:
> The gimple for test2_31 before RTL expansion contains:
>
> # .MEMD.2034_2 = VDEF <.MEMD.2034_1(D)>
> s1D.2035 = s1D.1255;
>
> The RHS is a PARM_DECL. It doesn't have TREE_ADDRESSABLE and the LHS
> has, which makes sense. But then the move
The gimple for test2_31 before RTL expansion contains:
# .MEMD.2034_2 = VDEF <.MEMD.2034_1(D)>
s1D.2035 = s1D.1255;
The RHS is a PARM_DECL. It doesn't have TREE_ADDRESSABLE and the LHS
has, which makes sense. But then the move is translated to memcpy but
the src memory location is still consi
This seems to have triggered
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49452
on arm-linux-gnueabi
Might well be a DUP of PR49429 but I haven't looked at it yet.
cheers
Ramana
This patch seems to break ia64 and some other targets. I have updated
Bug 49429 with a test case triage. It looks like for some EXPR,
may_be_aliased returns incorrect value and hence can_escape
incorrectly concludes the variable can't escape resulting in removal
of useful stores.
(So can_escape()
On Tue, Jun 14, 2011 at 5:47 PM, H.J. Lu wrote:
> On Tue, May 10, 2011 at 12:18 PM, Easwaran Raman wrote:
>> On Tue, May 3, 2011 at 9:40 AM, Easwaran Raman wrote:
>>> On Mon, May 2, 2011 at 8:37 PM, Jeff Law wrote:
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On 04/26/11 16
On Tue, May 10, 2011 at 12:18 PM, Easwaran Raman wrote:
> On Tue, May 3, 2011 at 9:40 AM, Easwaran Raman wrote:
>> On Mon, May 2, 2011 at 8:37 PM, Jeff Law wrote:
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>>> On 04/26/11 16:06, Easwaran Raman wrote:
>>>
> You're right. T
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On 05/10/11 13:18, Easwaran Raman wrote:
>>> I am not sure I understand the problem here. If there is a wild read
>>> from asm, the instruction has the wild_read flag set. The if statement
>>> checks if that flag is set and if so it clears the bitmap
On Tue, Jun 7, 2011 at 10:11 AM, Easwaran Raman wrote:
> Ping.
>
> Diego, David,
> Is this patch OK for google/main?
Yes -- but I would like to see it in trunk too if possible -- both
llvm and icc do very good job in these cases.
Thanks,
David
>
> -Easwaran
>
> On Thu, Jun 2, 2011 at 4:48 PM,
Ping.
Diego, David,
Is this patch OK for google/main?
-Easwaran
On Thu, Jun 2, 2011 at 4:48 PM, Easwaran Raman wrote:
> Ping.
>
> On Sat, May 14, 2011 at 8:01 AM, Easwaran Raman wrote:
>> http://gcc.gnu.org/ml/gcc-patches/2011-05/msg00781.html
>>
>
Ping.
On Sat, May 14, 2011 at 8:01 AM, Easwaran Raman wrote:
> http://gcc.gnu.org/ml/gcc-patches/2011-05/msg00781.html
>
Ping.
On Sat, May 14, 2011 at 8:01 AM, Easwaran Raman wrote:
> http://gcc.gnu.org/ml/gcc-patches/2011-05/msg00781.html
>
http://gcc.gnu.org/ml/gcc-patches/2011-05/msg00781.html
On Tue, May 3, 2011 at 9:40 AM, Easwaran Raman wrote:
> On Mon, May 2, 2011 at 8:37 PM, Jeff Law wrote:
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>> On 04/26/11 16:06, Easwaran Raman wrote:
>>
>>>
You're right. The patch has correctness issues. It is not possible to
simply
On Mon, May 2, 2011 at 8:37 PM, Jeff Law wrote:
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> On 04/26/11 16:06, Easwaran Raman wrote:
>
>>
>>> You're right. The patch has correctness issues. It is not possible to
>>> simply not call add_wild_read because it also resets
>>> active_local_st
On Tue, May 3, 2011 at 5:37 AM, Jeff Law wrote:
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>
> On 04/26/11 16:06, Easwaran Raman wrote:
>
>>
>>> You're right. The patch has correctness issues. It is not possible to
>>> simply not call add_wild_read because it also resets
>>> active_local_st
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On 04/26/11 16:06, Easwaran Raman wrote:
>
>> You're right. The patch has correctness issues. It is not possible to
>> simply not call add_wild_read because it also resets
>> active_local_stores and frees read_recs. During the local phase it
>> seems
On Mon, Apr 25, 2011 at 10:03 AM, Jeff Law wrote:
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> On 04/22/11 14:19, Easwaran Raman wrote:
>> Hi,
>> This patch improves RTL DSE by not assuming that calls read all
>> memory locations. With this patch, calls are assumed to read any
>> non-fra
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On 04/22/11 14:19, Easwaran Raman wrote:
> Hi,
> This patch improves RTL DSE by not assuming that calls read all
> memory locations. With this patch, calls are assumed to read any
> non-frame memory and any stack variables that can potentially escape.
On Fri, Apr 22, 2011 at 1:26 PM, Jakub Jelinek wrote:
> On Fri, Apr 22, 2011 at 01:19:17PM -0700, Easwaran Raman wrote:
>
> The ChangeLog entry has various issues:
>
>> 2011-04-22 Easwaran Raman
>>
>> PR rtl-optimization/44194
>
> This should have tab before PR as well.
>
>> * dse.c (head
On Fri, Apr 22, 2011 at 01:19:17PM -0700, Easwaran Raman wrote:
The ChangeLog entry has various issues:
> 2011-04-22 Easwaran Raman
>
> PR rtl-optimization/44194
This should have tab before PR as well.
> * dse.c (header files): Include tree-flow.h.
This should be just
* dse.c
Hi,
This patch improves RTL DSE by not assuming that calls read all
memory locations. With this patch, calls are assumed to read any
non-frame memory and any stack variables that can potentially escape.
This patch partly addresses PR rtl-optimization/44194. Bootstraps and
no test regressions. OK f
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