ichard Earnshaw (lists) [mailto:richard.earns...@arm.com]
Sent: Wednesday, July 5, 2017 2:38 AM
To: Michael Collison ; Christophe Lyon
Cc: gcc-patches@gcc.gnu.org; nd
Subject: Re: [PATCH][Aarch64] Add support for overflow add and sub operations
On 19/05/17 22:11, Michael Collison wrote:
> Christ
> Anyway, there are a couple of obvious formatting issues to deal with
> first, before we get into the details of the patch.
>
>> -----Original Message-
>> From: Christophe Lyon [mailto:christophe.l...@linaro.org]
>> Sent: Friday, May 19, 2017 3:59 AM
>> To
8 AM
To: Michael Collison ; Christophe Lyon
Cc: gcc-patches@gcc.gnu.org; nd
Subject: Re: [PATCH][Aarch64] Add support for overflow add and sub operations
On 19/05/17 22:11, Michael Collison wrote:
> Christophe,
>
> I had a type in the two test cases: "addcs" should have
iday, May 19, 2017 3:59 AM
> To: Michael Collison
> Cc: gcc-patches@gcc.gnu.org; nd
> Subject: Re: [PATCH][Aarch64] Add support for overflow add and sub operations
>
> Hi Michael,
>
>
> On 19 May 2017 at 07:12, Michael Collison wrote:
>> Hi,
>>
>> This
Ping ^2. Updated patch posted here:
https://gcc.gnu.org/ml/gcc-patches/2017-05/msg01615.html
Ping. Testsuite issue resolved. Okay for trunk?
-Original Message-
From: Christophe Lyon [mailto:christophe.l...@linaro.org]
Sent: Friday, May 19, 2017 3:59 AM
To: Michael Collison
Cc: gcc-patches@gcc.gnu.org; nd
Subject: Re: [PATCH][Aarch64] Add support for overflow add and sub
o.org]
Sent: Friday, May 19, 2017 3:59 AM
To: Michael Collison
Cc: gcc-patches@gcc.gnu.org; nd
Subject: Re: [PATCH][Aarch64] Add support for overflow add and sub operations
Hi Michael,
On 19 May 2017 at 07:12, Michael Collison wrote:
> Hi,
>
> This patch improves code generations fo
Hi Michael,
On 19 May 2017 at 07:12, Michael Collison wrote:
> Hi,
>
> This patch improves code generations for builtin arithmetic overflow
> operations for the aarch64 backend. As an example for a simple test case such
> as:
>
> Sure for a simple test case such as:
>
> int
> f (int x, int y,
Hi,
This patch improves code generations for builtin arithmetic overflow operations
for the aarch64 backend. As an example for a simple test case such as:
Sure for a simple test case such as:
int
f (int x, int y, int *ovf)
{
int res;
*ovf = __builtin_sadd_overflow (x, y, &res);
return res
Ping.
Link to original post: https://gcc.gnu.org/ml/gcc-patches/2016-11/msg03119.html
Ping.
Link to original post: https://gcc.gnu.org/ml/gcc-patches/2016-11/msg03119.html
Hi,
This patch improves code generations for builtin arithmetic overflow operations
for the aarch64 backend. As an example for a simple test case such as:
int
f (int x, int y, int *ovf)
{
int res;
*ovf = __builtin_sadd_overflow (x, y, &res);
return res;
}
Current trunk at -O2 generates
f
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