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From: David Edelsohn <dje.gcc@gmail.com>
To: Pat Haugen <pthaugen@linux.vnet.ibm.com>
Cc: Steven Bosscher <stevenb.gcc@gmail.com>,
	GCC Patches <gcc-patches@gcc.gnu.org>,
		Vladimir Makarov <vmakarov@redhat.com>
Subject: Re: [patch] fixes for power4 scheduler description
Date: Fri, 20 Jul 2012 20:35:00 -0000	[thread overview]
Message-ID: <CAGWvnykR0Qe=jTNZM=BsJK=8fv-EgcowWwC1DGEx1jiRwGWPKA@mail.gmail.com> (raw)
In-Reply-To: <50085561.6090006@linux.vnet.ibm.com>

On Thu, Jul 19, 2012 at 2:43 PM, Pat Haugen <pthaugen@linux.vnet.ibm.com> wrote:

> Update form stores are cracked into a store and addi, and the store is dual
> issued to the LSU/FXU. So based on this info I would think it should look
> like the following (untested).
>
> @@ -141,12 +141,10 @@ (define_insn_reservation "power4-store-u
>         (eq_attr "cpu" "power4"))
>    "((du1_power4+du2_power4,lsu1_power4)\
>      |(du2_power4+du3_power4,lsu2_power4)\
> -    |(du3_power4+du4_power4,lsu2_power4)\
>      |(du3_power4+du4_power4,lsu2_power4))+\
> -   ((nothing,iu2_power4,iu1_power4)\
> +   ((nothing,iu1_power4,iu2_power4)\
>      |(nothing,iu2_power4,iu2_power4)\
> -    |(nothing,iu1_power4,iu2_power4)\
> -    |(nothing,iu1_power4,iu2_power4))")
> +    |(nothing,iu2_power4,iu1_power4))")

Looks good.  Check it in after testing.

Thanks, David

  reply	other threads:[~2012-07-20 20:35 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-10 12:20 Steven Bosscher
2012-07-17 17:51 ` David Edelsohn
2012-07-19 18:44   ` Pat Haugen
2012-07-20 20:35     ` David Edelsohn [this message]
2012-07-20 22:05       ` Pat Haugen

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