On 16/04/14 11:30, Joey Ye wrote:
>
>
>> -Original Message-
>> From: Richard Earnshaw
>> Sent: Wednesday, April 16, 2014 6:21 PM
>> To: Joey Ye
>> Cc: gcc-patches@gcc.gnu.org
>> Subject: Re: [patch] Disable if_conversion2 for Og
>>
>>
> -Original Message-
> From: Richard Earnshaw
> Sent: Wednesday, April 16, 2014 6:21 PM
> To: Joey Ye
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [patch] Disable if_conversion2 for Og
>
> On 16/04/14 11:17, Joey Ye wrote:
> >> -Original Message
> -Original Message-
> From: Richard Earnshaw
> Sent: Wednesday, April 16, 2014 6:04 PM
> To: Joey Ye
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [patch] Disable if_conversion2 for Og
>
> On 16/04/14 11:02, Joey Ye wrote:
> >
> >
> >>
On 16/04/14 11:17, Joey Ye wrote:
>> -Original Message-
>> From: Richard Earnshaw
>> Sent: Wednesday, April 16, 2014 6:04 PM
>> To: Joey Ye
>> Cc: gcc-patches@gcc.gnu.org
>> Subject: Re: [patch] Disable if_conversion2 for Og
&g
On 16/04/14 11:02, Joey Ye wrote:
>
>
>> -Original Message-
>> From: Richard Earnshaw
>> Sent: Wednesday, April 16, 2014 5:44 PM
>> To: Joey Ye
>> Cc: gcc-patches@gcc.gnu.org
>> Subject: Re: [patch] Disable if_conversion2 for Og
>>
>>
> -Original Message-
> From: Richard Earnshaw
> Sent: Wednesday, April 16, 2014 5:44 PM
> To: Joey Ye
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [patch] Disable if_conversion2 for Og
>
> Arguably, this is a bug in gdb. The debugger should understand when a
&g
er'
>>> Cc: GCC Patches
>>> Subject: RE: [patch] Disable if_conversion2 for Og
>>>
>>>> Ok for trunk and branches after a while. Why does if-conversion not have
>>>> the same problem? On the GIMPLE part we avoid all kinds of if-conversion
>>
On 15/04/14 02:59, Joey Ye wrote:
> If-converstion is harmful to optimized debugging as it generates conditional
> execution instructions with line number information, which resulted in a
> dillusion to developers that both then-else branches are executed.
>
> For example:
> test.c:
> 1: unsigned
On Wed, Apr 16, 2014 at 9:46 AM, Joey Ye wrote:
>
>
>> -Original Message-
>> From: Joey Ye [mailto:joey...@arm.com]
>> Sent: Tuesday, April 15, 2014 6:37 PM
>> To: 'Richard Biener'
>> Cc: GCC Patches
>> Subject: RE: [patch] Disable if_
> -Original Message-
> From: Joey Ye [mailto:joey...@arm.com]
> Sent: Tuesday, April 15, 2014 6:37 PM
> To: 'Richard Biener'
> Cc: GCC Patches
> Subject: RE: [patch] Disable if_conversion2 for Og
>
> > Ok for trunk and branches after a while. Wh
> -Original Message-
> From: Richard Biener [mailto:richard.guent...@gmail.com]
> Sent: Tuesday, April 15, 2014 4:05 PM
> To: Joey Ye
> Cc: GCC Patches
> Subject: Re: [patch] Disable if_conversion2 for Og
>
> On Tue, Apr 15, 2014 at 3:59 AM, Joey Ye wrote:
>
On Tue, Apr 15, 2014 at 3:59 AM, Joey Ye wrote:
> If-converstion is harmful to optimized debugging as it generates conditional
> execution instructions with line number information, which resulted in a
> dillusion to developers that both then-else branches are executed.
>
> For example:
> test.c:
If-converstion is harmful to optimized debugging as it generates conditional
execution instructions with line number information, which resulted in a
dillusion to developers that both then-else branches are executed.
For example:
test.c:
1: unsigned oldest_sequence;
2:
3: unsigned foo(unsigned seq
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