This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: GCC-How does the coding style affect the insv pattern recognization?

From: fanqifei <fanqifei at gmail dot com>
To: Bingfeng Mei <bmei at broadcom dot com>, gcc at gcc dot gnu dot org
Date: Thu, 14 Jan 2010 12:52:34 +0800
Subject: Re: GCC-How does the coding style affect the insv pattern recognization?
References: <f94afa701001120450r7d742609vb45562f02863c6cf@mail.gmail.com> <7FB04A5C213E9943A72EE127DB74F0AD93D9889380@SJEXCHCCR02.corp.ad.broadcom.com> <f94afa701001130226u4303979w2f7733b288026b6e@mail.gmail.com> <7FB04A5C213E9943A72EE127DB74F0AD93D9889398@SJEXCHCCR02.corp.ad.broadcom.com>
Reply-to: fanqifei at gmail dot com

2010/1/13 Bingfeng Mei <bmei@broadcom.com>:
> OOPs, I don't know that. Anyway, I won't count on GCC to
> reliably pick up these complex patterns. ?In our port, we
> implemented clz/ffs/etc as intrinsics though they are present as
> standard patterns.
>
> Bingfeng
Could you please show me the path of the source code that implement
clz/ffs intrinsics of your processor?
I would like to take it as a reference.
Thank very much!

Qifei Fan

References:
- GCC-How does the coding style affect the insv pattern recognization?
  - From: fanqifei
- RE: GCC-How does the coding style affect the insv pattern recognization?
  - From: Bingfeng Mei
- Re: GCC-How does the coding style affect the insv pattern recognization?
  - From: fanqifei
- RE: GCC-How does the coding style affect the insv pattern recognization?
  - From: Bingfeng Mei

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]