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RE: SMS in gcc4.0
- From: Steven Bosscher <stevenb at suse dot de>
- To: Canqun Yang <canqun at nudt dot edu dot cn>
- Cc: MUSTAFA at il dot ibm dot com, mark dot davis at intel dot com, gp at suse dot de,ZAKS at il dot ibm dot com, gcc at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
- Date: Thu, 31 Mar 2005 15:54:02 +0200 (CEST)
- Subject: RE: SMS in gcc4.0
- Organization: SuSE Linux AG
- References: <20050331135656.CAD0E5C9BC@ds20.nudt.edu.cn>
On Mar 31, 2005 03:56 PM, Canqun Yang <canqun@nudt.edu.cn> wrote:
> This patch will fix doloop_register_get defined in
> modulo-sched.c, and let the program of PI caculation
> on IA-64 be successfully modulo scheduled. On 1GHz
> Itanium-2, it costs just 3.128 seconds to execute when
> compiled with "-fmodulo-shced -O3" turned on, while
> 5.454 seconds whithout "-fmodulo-sched".
Nice! But makes me wonder... Mustafa, why can doloop_register_get
not just accept the same doloop patterns as the one accepted in
doloop_condition_get?
Gr.
Steven