> 2011-11-06 Sergey Ostanevich sergos@gmail.com
>
> PR rtl-optimization/47698
> * ifconv.c (noce_operand_ok): prevent CMOV generation
> for volatile mem
There is no such file as ifconv.c though. The first letter must be capitalized
and there must be a period at the end. A
On Wed, Nov 2, 2011 at 3:42 PM, Richard Guenther wrote:
> On Sat, 29 Oct 2011, Sergey Ostanevich wrote:
>
>> On Fri, Oct 28, 2011 at 7:25 PM, Sergey Ostanevich
>> wrote:
>> > On Fri, Oct 28, 2011 at 4:52 PM, Richard Guenther
>> > wrote:
>> >> On Fri, 28 Oct 2011, Sergey Ostanevich wrote:
>> >>
On Sat, 29 Oct 2011, Sergey Ostanevich wrote:
> On Fri, Oct 28, 2011 at 7:25 PM, Sergey Ostanevich
> wrote:
> > On Fri, Oct 28, 2011 at 4:52 PM, Richard Guenther wrote:
> >> On Fri, 28 Oct 2011, Sergey Ostanevich wrote:
> >>
> >>> On Fri, Oct 28, 2011 at 12:16 PM, Richard Guenther
> >>> wrote
On Fri, Oct 28, 2011 at 7:25 PM, Sergey Ostanevich wrote:
> On Fri, Oct 28, 2011 at 4:52 PM, Richard Guenther wrote:
>> On Fri, 28 Oct 2011, Sergey Ostanevich wrote:
>>
>>> On Fri, Oct 28, 2011 at 12:16 PM, Richard Guenther
>>> wrote:
>>> > On Thu, 27 Oct 2011, Uros Bizjak wrote:
>>> >
>>> >> H
On 10/28/2011 05:49 AM, Sergey Ostanevich wrote:
> - the code for CMOV is under #ifdef in the mddle-end, which is
> explicitly marked as "have to be removed" (ifcvt.c:1446)
> - I have no clear evidence all platforms that support conditional move
> have the same semantics that lead to the PR
We're
On Fri, Oct 28, 2011 at 4:52 PM, Richard Guenther wrote:
> On Fri, 28 Oct 2011, Sergey Ostanevich wrote:
>
>> On Fri, Oct 28, 2011 at 12:16 PM, Richard Guenther wrote:
>> > On Thu, 27 Oct 2011, Uros Bizjak wrote:
>> >
>> >> Hello!
>> >>
>> >> > Here's a patch for PR47698, which is about CMOV shou
On Fri, 28 Oct 2011, Sergey Ostanevich wrote:
> On Fri, Oct 28, 2011 at 12:16 PM, Richard Guenther wrote:
> > On Thu, 27 Oct 2011, Uros Bizjak wrote:
> >
> >> Hello!
> >>
> >> > Here's a patch for PR47698, which is about CMOV should not be
> >> > generated for memory address marked as volatile.
>
On Fri, Oct 28, 2011 at 12:16 PM, Richard Guenther wrote:
> On Thu, 27 Oct 2011, Uros Bizjak wrote:
>
>> Hello!
>>
>> > Here's a patch for PR47698, which is about CMOV should not be
>> > generated for memory address marked as volatile.
>> > Successfully bootstrapped and passed make check on
>> >
On Thu, 27 Oct 2011, Uros Bizjak wrote:
> Hello!
>
> > Here's a patch for PR47698, which is about CMOV should not be
> > generated for memory address marked as volatile.
> > Successfully bootstrapped and passed make check on x86_64-unknown-linux-gnu.
>
>
> PR rtl-optimization/47698
>
On 10/27/2011 05:17 AM, Sergey Ostanevich wrote:
> + /* MOVCC semantics implies that source is always read which is wrong
> + for devices I/O that are defined using volatile in C. PR47698 */
> +
> + if (MEM_P (operands[2]) && MEM_VOLATILE_P (operands[2]))
> +return false;
This looks to b
Hello!
> Here's a patch for PR47698, which is about CMOV should not be
> generated for memory address marked as volatile.
> Successfully bootstrapped and passed make check on x86_64-unknown-linux-gnu.
PR rtl-optimization/47698
* config/i386/i386.c (ix86_expand_int_movcc) prevent
Hi!
Here's a patch for PR47698, which is about CMOV should not be
generated for memory address marked as volatile.
Successfully bootstrapped and passed make check on x86_64-unknown-linux-gnu.
Is it Ok?
regards,
Sergos
/gcc
2011-10-27 Sergey Ostanevich
PR rtl-optimization/47698
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