From: Ilya Enkovich <enkovich.gnu@gmail.com>
To: Richard Biener <richard.guenther@gmail.com>
Cc: Yuri Rumyantsev <ysrumyan@gmail.com>, Jeff Law <law@redhat.com>,
gcc-patches <gcc-patches@gcc.gnu.org>,
Igor Zamyatin <izamyatin@gmail.com>
Subject: Re: [PATCH] Simple optimization for MASK_STORE.
Date: Tue, 10 Nov 2015 12:48:00 -0000 [thread overview]
Message-ID: <CAMbmDYY+oGih4c9XGT87EToPmO0XrchbSZPv2g-FuxnuMD12LQ@mail.gmail.com> (raw)
In-Reply-To: <CAFiYyc0w1WkK5ZZ7cFv2ZJ=kD0sFpdVN85XuFHYTQeWC3E1eEw@mail.gmail.com>
2015-11-10 15:33 GMT+03:00 Richard Biener <richard.guenther@gmail.com>:
> On Fri, Nov 6, 2015 at 2:28 PM, Yuri Rumyantsev <ysrumyan@gmail.com> wrote:
>> Richard,
>>
>> I tried it but 256-bit precision integer type is not yet supported.
>
> What's the symptom? The compare cannot be expanded? Just add a pattern then.
> After all we have modes up to XImode.
I suppose problem may be in:
gcc/config/i386/i386-modes.def:#define MAX_BITSIZE_MODE_ANY_INT (128)
which doesn't allow to create constants of bigger size. Changing it
to maximum vector size (512) would mean we increase wide_int structure
size significantly. New patterns are probably also needed.
Ilya
>
> Richard.
>
>> Yuri.
>>
>>
next prev parent reply other threads:[~2015-11-10 12:48 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-06 14:04 Yuri Rumyantsev
2015-05-08 9:27 ` Richard Biener
2015-05-08 18:43 ` Jeff Law
2015-05-08 19:16 ` Richard Biener
2015-05-20 14:10 ` Yuri Rumyantsev
2015-05-29 14:28 ` Yuri Rumyantsev
2015-06-09 12:15 ` Richard Biener
2015-06-18 15:41 ` Yuri Rumyantsev
2015-07-07 13:55 ` Yuri Rumyantsev
2015-07-10 5:51 ` Jeff Law
2015-07-20 15:26 ` Yuri Rumyantsev
2015-07-21 13:59 ` Richard Biener
2015-07-23 20:32 ` Jeff Law
2015-07-24 9:04 ` Yuri Rumyantsev
2015-07-24 9:24 ` Richard Biener
2015-07-24 19:26 ` Jeff Law
2015-07-27 9:04 ` Richard Biener
2015-08-06 11:07 ` Yuri Rumyantsev
2015-08-13 11:40 ` Yuri Rumyantsev
2015-08-13 11:46 ` Richard Biener
2015-11-02 15:24 ` Yuri Rumyantsev
2015-11-05 15:49 ` Yuri Rumyantsev
2015-11-06 12:56 ` Richard Biener
2015-11-06 13:29 ` Yuri Rumyantsev
2015-11-10 12:33 ` Richard Biener
2015-11-10 12:48 ` Ilya Enkovich [this message]
2015-11-10 14:46 ` Richard Biener
2015-11-10 14:56 ` Ilya Enkovich
2015-11-10 17:02 ` Mike Stump
2015-11-11 9:18 ` Richard Biener
2015-11-11 13:13 ` Yuri Rumyantsev
2015-11-12 13:59 ` Richard Biener
2015-11-19 15:20 ` Yuri Rumyantsev
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