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Re: [PATCH][GCC][AARCH64]Bad code-gen for structure/block/unaligned memory access
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Tamar Christina <Tamar dot Christina at arm dot com>
- Cc: Richard Sandiford <richard dot sandiford at linaro dot org>, GCC Patches <gcc-patches at gcc dot gnu dot org>, nd <nd at arm dot com>, James Greenhalgh <James dot Greenhalgh at arm dot com>, Richard Earnshaw <Richard dot Earnshaw at arm dot com>, Marcus Shawcroft <Marcus dot Shawcroft at arm dot com>
- Date: Wed, 30 Aug 2017 06:16:12 -0700
- Subject: Re: [PATCH][GCC][AARCH64]Bad code-gen for structure/block/unaligned memory access
- Authentication-results: sourceware.org; auth=none
- References: <VI1PR0801MB20313B74A43EAC4756E8C8BDFFC80@VI1PR0801MB2031.eurprd08.prod.outlook.com> <87a85ic3i1.fsf@linaro.org> <HE1PR0801MB202735017D77BF86B97A82F2FFCE0@HE1PR0801MB2027.eurprd08.prod.outlook.com> <VI1PR0801MB2031C1DB43DDAD286965D8BFFFD60@VI1PR0801MB2031.eurprd08.prod.outlook.com> <CAMe9rOp7T-ZwF6rPbj4O442fc791Qg63MnZiqE2STdw0VsGa_g@mail.gmail.com> <DB6PR0802MB2309D6CF42828244B1270CC6FF9C0@DB6PR0802MB2309.eurprd08.prod.outlook.com>
On Wed, Aug 30, 2017 at 2:21 AM, Tamar Christina
<Tamar.Christina@arm.com> wrote:
> Hi,
>
> The test I used was testsuite/gcc.c-torture/compile/structs.c
Results look very nice on x86-64. Can we add a testcase to scan the
compiler output
to verify this optimization?
Thanks.
> Thanks,
> Tamar
> ________________________________________
> From: H.J. Lu <hjl.tools@gmail.com>
> Sent: Friday, August 25, 2017 8:10:22 PM
> To: Tamar Christina
> Cc: Richard Sandiford; GCC Patches; nd; James Greenhalgh; Richard Earnshaw; Marcus Shawcroft
> Subject: Re: [PATCH][GCC][AARCH64]Bad code-gen for structure/block/unaligned memory access
>
> On Sun, Jul 2, 2017 at 11:17 PM, Tamar Christina
> <Tamar.Christina@arm.com> wrote:
>> Hi All,
>>
>> Sorry I just realized I never actually sent the updated patch...
>>
>> So here it is :)
>>
>
> Are there any testcases?
>
> --
> H.J.
--
H.J.