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* [PING^2][PATCH] Improve C++ loop's backward-jump location
@ 2015-11-24 14:58 Andreas Arnez
  2015-11-25 22:12 ` Jason Merrill
  2015-12-02 13:53 ` Alan Lawrence
  0 siblings, 2 replies; 4+ messages in thread
From: Andreas Arnez @ 2015-11-24 14:58 UTC (permalink / raw)
  To: gcc-patches; +Cc: Jeff Law, Bernd Schmidt, Jason Merrill, Nathan Sidwell

Ping?

  https://gcc.gnu.org/ml/gcc-patches/2015-11/msg01192.html

I guess we want C and C++ behave the same here?

> gcc/cp/ChangeLog:
>  
> 	* cp-gimplify.c (genericize_cp_loop): Change LOOP_EXPR's location
> 	to start of loop body instead of start of loop.
> 
> gcc/testsuite/ChangeLog:
>  
> 	* g++.dg/guality/pr67192.C: New test.


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PING^2][PATCH] Improve C++ loop's backward-jump location
  2015-11-24 14:58 [PING^2][PATCH] Improve C++ loop's backward-jump location Andreas Arnez
@ 2015-11-25 22:12 ` Jason Merrill
  2015-12-02 13:53 ` Alan Lawrence
  1 sibling, 0 replies; 4+ messages in thread
From: Jason Merrill @ 2015-11-25 22:12 UTC (permalink / raw)
  To: Andreas Arnez, gcc-patches; +Cc: Jeff Law, Bernd Schmidt, Nathan Sidwell

OK.

Jason

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PING^2][PATCH] Improve C++ loop's backward-jump location
  2015-11-24 14:58 [PING^2][PATCH] Improve C++ loop's backward-jump location Andreas Arnez
  2015-11-25 22:12 ` Jason Merrill
@ 2015-12-02 13:53 ` Alan Lawrence
  2015-12-02 14:44   ` Andreas Arnez
  1 sibling, 1 reply; 4+ messages in thread
From: Alan Lawrence @ 2015-12-02 13:53 UTC (permalink / raw)
  To: Andreas Arnez, gcc-patches
  Cc: Jeff Law, Bernd Schmidt, Jason Merrill, Nathan Sidwell

On 24/11/15 14:55, Andreas Arnez wrote:
> Ping?
>
>    https://gcc.gnu.org/ml/gcc-patches/2015-11/msg01192.html
>
> I guess we want C and C++ behave the same here?
>
>> gcc/cp/ChangeLog:
>>
>> 	* cp-gimplify.c (genericize_cp_loop): Change LOOP_EXPR's location
>> 	to start of loop body instead of start of loop.
>>
>> gcc/testsuite/ChangeLog:
>>
>> 	* g++.dg/guality/pr67192.C: New test.
>
>
>

Since this, we've been seeing these tests fail natively on AArch64 and ARM:

FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++11  gcov: 3 failures in line counts, 0 in 
branch percentages, 0 in return percentages, 0 in intermediate format
FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++11  line 115: is 27:should be 14
FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++11  line 58: is 18:should be 9
FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++11  line 73: is 162:should be 81
FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++14  gcov: 3 failures in line counts, 0 in 
branch percentages, 0 in return percentages, 0 in intermediate format
FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++14  line 115: is 27:should be 14
FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++14  line 58: is 18:should be 9
FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++14  line 73: is 162:should be 81
FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++98  gcov: 3 failures in line counts, 0 in 
branch percentages, 0 in return percentages, 0 in intermediate format
FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++98  line 115: is 27:should be 14
FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++98  line 58: is 18:should be 9
FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++98  line 73: is 162:should be 81

I've not had a chance to look any further yet.

Thanks, Alan

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PING^2][PATCH] Improve C++ loop's backward-jump location
  2015-12-02 13:53 ` Alan Lawrence
@ 2015-12-02 14:44   ` Andreas Arnez
  0 siblings, 0 replies; 4+ messages in thread
From: Andreas Arnez @ 2015-12-02 14:44 UTC (permalink / raw)
  To: Alan Lawrence
  Cc: gcc-patches, Jeff Law, Bernd Schmidt, Jason Merrill, Nathan Sidwell

On Wed, Dec 02 2015, Alan Lawrence wrote:

[...]

> Since this, we've been seeing these tests fail natively on AArch64 and ARM:
>
> FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++11  gcov: 3 failures in line
> counts, 0 in branch percentages, 0 in return percentages, 0 in
> intermediate format
> FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++11  line 115: is 27:should be 14
> FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++11  line 58: is 18:should be 9
> FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++11  line 73: is 162:should be 81
> FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++14  gcov: 3 failures in line
> counts, 0 in branch percentages, 0 in return percentages, 0 in
> intermediate format
> FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++14  line 115: is 27:should be 14
> FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++14  line 58: is 18:should be 9
> FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++14  line 73: is 162:should be 81
> FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++98  gcov: 3 failures in line
> counts, 0 in branch percentages, 0 in return percentages, 0 in
> intermediate format
> FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++98  line 115: is 27:should be 14
> FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++98  line 58: is 18:should be 9
> FAIL: g++.dg/gcov/gcov-1.C  -std=gnu++98  line 73: is 162:should be 81

Right, sorry about that.  See also:

  https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68603

This should be fixed now.  Let me know if you still see problems.

--
Andreas

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2015-12-02 14:44 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2015-11-24 14:58 [PING^2][PATCH] Improve C++ loop's backward-jump location Andreas Arnez
2015-11-25 22:12 ` Jason Merrill
2015-12-02 13:53 ` Alan Lawrence
2015-12-02 14:44   ` Andreas Arnez

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