From patchwork Thu Oct 20 08:05:06 2011
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Date: Thu, 20 Oct 2011 12:05:06 +0400
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 <CAGYS_T+K4f23ks0o5bk+gbDcR7uWfdU0pxs=zHaAEV7FCE9MWQ@mail.gmail.com>
Subject: Re: [PATCH PR50572] Tune loop alignment for Atom
From: Sergey Ostanevich <sergos.gnu@gmail.com>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: Uros Bizjak <ubizjak@gmail.com>,
	"gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
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> Please provide a patch which can be applied.  Cut/paste doesn't create
> a working patch.  Please attach it.
>
> --
> H.J.
>

Will that works?
Sergos.

 static const char *const cpu_names[TARGET_CPU_DEFAULT_max] =

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6c73404..e21cf86 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-10-20  Sergey Ostanevich  <sergos.gnu@gmail.com>
+
+       * config/i386/i386.c (processor_target_table): Change Atom
+       align_loops_max_skip to 15.
+
 2011-10-17  Michael Spertus  <mike_spertus@symantec.com>

        * gcc/c-family/c-common.c (c_common_reswords): Add __bases,
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 2c53423..8c60086 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -2596,7 +2596,7 @@ static const struct ptt
processor_target_table[PROCESSOR_max] =
   {&bdver1_cost, 32, 24, 32, 7, 32},
   {&bdver2_cost, 32, 24, 32, 7, 32},
   {&btver1_cost, 32, 24, 32, 7, 32},
-  {&atom_cost, 16, 7, 16, 7, 16}
+  {&atom_cost, 16, 15, 16, 7, 16}
 };