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PATCH: Rest of Intel Atom optimization

From: "H.J. Lu" <hjl dot tools at gmail dot com>
To: Uros Bizjak <ubizjak at gmail dot com>
Cc: "Ye, Joey" <joey dot ye at intel dot com>, "jh at suse dot cz" <jh at suse dot cz>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, "Guo, Xuepeng" <xuepeng dot guo at intel dot com>, Steven Bosscher <stevenb dot gcc at gmail dot com>
Date: Fri, 17 Apr 2009 11:37:35 -0700
Subject: PATCH: Rest of Intel Atom optimization

On Mon, Apr 6, 2009 at 11:14 PM, Uros Bizjak <ubizjak@gmail.com> wrote:
>> Can extract_insn_cached help here?
>
> You can look at ix86_attr_length_address_default, there is
> get_attr_type, used to detect TYPE_LEA.
>

Here is the rest of Intel Atom optimization. OK for trunk?

Thanks.

-- 
H.J.
---
2009-04-17  Joey Ye  <joey.ye@intel.com>
	    Xuepeng Guo <xuepeng.guo@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.

	* config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
	(IX86_LEA_PRIORITY): Likewise.
	(distance_non_agu_define): New function.
	(distance_agu_use): Likewise.
	(ix86_lea_for_add_ok): Likewise.
	(ix86_dep_by_shift_count): Likewise.

	* config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
	should split for LEA.

	* config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
	function.
	(ix86_dep_by_shift_count): Likewise.

Attachment: gcc-atom-3.patch
Description: Text document

Follow-Ups:
- Re: PATCH: Rest of Intel Atom optimization
  - From: Uros Bizjak

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