This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PING^4][PATCHv2, ARM, libgcc] New aeabi_idiv function for armv6-m
- From: "Andre Vieira (lists)" <Andre dot SimoesDiasVieira at arm dot com>
- To: gcc-patches at gcc dot gnu dot org
- Cc: Richard Earnshaw <Richard dot Earnshaw at arm dot com>
- Date: Wed, 8 Jun 2016 15:35:42 +0100
- Subject: Re: [PING^4][PATCHv2, ARM, libgcc] New aeabi_idiv function for armv6-m
- Authentication-results: sourceware.org; auth=none
- References: <561D38F7 dot 809 at arm dot com> <562FAE51 dot 60903 at arm dot com> <56A6583C dot 9040604 at arm dot com> <573D9320 dot 9050506 at arm dot com>
Ping.
On 19/05/16 11:19, Andre Vieira (lists) wrote:
> Ping for GCC-7, patch applies cleanly, passed make check for cortex-m0.
>
> Might be worth mentioning that this patch has been used in three
> releases of the GNU ARM embedded toolchain, using GCC versions 4.9 and
> 5, and no issues have been reported so far.
>
> On 25/01/16 17:15, Andre Vieira (lists) wrote:
>> Ping.
>>
>> On 27/10/15 17:03, Andre Vieira wrote:
>>> Ping.
>>>
>>> BR,
>>> Andre
>>>
>>> On 13/10/15 18:01, Andre Vieira wrote:
>>>> This patch ports the aeabi_idiv routine from Linaro Cortex-Strings
>>>> (https://git.linaro.org/toolchain/cortex-strings.git), which was
>>>> contributed by ARM under Free BSD license.
>>>>
>>>> The new aeabi_idiv routine is used to replace the one in
>>>> libgcc/config/arm/lib1funcs.S. This replacement happens within the
>>>> Thumb1 wrapper. The new routine is under LGPLv3 license.
>>>>
>>>> The main advantage of this version is that it can improve the
>>>> performance of the aeabi_idiv function for Thumb1. This solution will
>>>> also increase the code size. So it will only be used if
>>>> __OPTIMIZE_SIZE__ is not defined.
>>>>
>>>> Make check passed for armv6-m.
>>>>
>>>> libgcc/ChangeLog:
>>>> 2015-08-10 Hale Wang <hale.wang@arm.com>
>>>> Andre Vieira <andre.simoesdiasvieira@arm.com>
>>>>
>>>> * config/arm/lib1funcs.S: Add new wrapper.
>>>>
>>
>