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Re: assign_parm_setup_block handling of parallels

From: Eric Botcazou <ebotcazou at libertysurf dot fr>
To: Aldy Hernandez <aldyh at redhat dot com>
Cc: gcc at gcc dot gnu dot org,Richard Henderson <rth at redhat dot com>,dje at watson dot ibm dot com
Date: Thu, 23 Dec 2004 23:29:20 +0100
Subject: Re: assign_parm_setup_block handling of parallels
References: <20041223202824.GA8247@redhat.com> <200412232308.22105.ebotcazou@libertysurf.fr> <20041223221525.GA30317@redhat.com>

> We're changing the port to emit:
> 	(parallel:DF (expr_list (reg:DI 3)))
>
> instead of:
>
> 	(parallel:DF (expr_list (reg:SI 3) (reg:SI 4)))
>
> because of the plethory of subregs and bad code GCC generates.

OK, but what do you expect to achieve by running the multi-member parallel 
optimization on an one-member parallel?

-- 
Eric Botcazou

References:
- assign_parm_setup_block handling of parallels
  - From: Aldy Hernandez
- Re: assign_parm_setup_block handling of parallels
  - From: Eric Botcazou
- Re: assign_parm_setup_block handling of parallels
  - From: Aldy Hernandez

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