This is the mail archive of the gcc-patches@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: [RFC PATCH] Improve -mavx{,2} vector extraction

From: Richard Henderson <rth at redhat dot com>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: Uros Bizjak <ubizjak at gmail dot com>, gcc-patches at gcc dot gnu dot org, "H.J. Lu" <hjl dot tools at gmail dot com>
Date: Fri, 16 Sep 2011 08:54:51 -0700
Subject: Re: [RFC PATCH] Improve -mavx{,2} vector extraction
References: <20110916091644.GV2687@tyan-ft48-01.lab.bos.redhat.com> <20110916152207.GX2687@tyan-ft48-01.lab.bos.redhat.com>

On 09/16/2011 08:22 AM, Jakub Jelinek wrote:
> 	* config/i386/sse.md (vec_extract_hi_<mode>,
> 	vec_extract_hi_v16hi, vec_extract_hi_v32qi): Use
> 	vextracti128 instead of vextractf128 for -mavx2 and
> 	integer vectors.  For V4DFmode fix up mode attribute.
> 	(VEC_EXTRACT_MODE): For TARGET_AVX add 32-byte vectors.
> 	(vec_set_lo_<mode>, vec_set_hi_<mode>): For VI8F_256 modes use V4DF
> 	instead of V8SF mode attribute.
> 	(avx2_extracti128): Change into define_expand.
> 	* config/i386/i386.c (ix86_expand_vector_extract): Handle
> 	32-byte vector modes if TARGET_AVX.
> 
> 	* gcc.target/i386/sse2-extract-1.c: New test.
> 	* gcc.target/i386/avx-extract-1.c: New test.

Ok.


r~

References:
- [RFC PATCH] Improve -mavx{,2} vector extraction
  - From: Jakub Jelinek
- Re: [RFC PATCH] Improve -mavx{,2} vector extraction
  - From: Jakub Jelinek

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