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Re: gcc 4.0.x: MMX built-ins regression

From: Prakash Punnoor <prakashp at arcor dot de>
To: ubizjak at gmail dot com
Cc: gcc at gcc dot gnu dot org
Date: Tue, 30 Aug 2005 11:29:19 +0200
Subject: Re: gcc 4.0.x: MMX built-ins regression
References: <1125383560.4313fd88e5ad5@ssl.kss-loka.si>

Hi!

Uros Bizjak schrieb:
>>I am using MMX built-ins and gcc-4.0-20050825 and I am experiencing generation
>>of uneeded movq (at least I guess so, I am no assembler pro). I don't know
>>which gcc snapshot introduced this, but a I know that some pre-release gcc 4.0
>>didn't show this bad behaviour. (It's been some time I played with this...)

> Yes, a bugreport would be nice. Please look at http://gcc.gnu.org/bugs.html .

Done: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23630

> I have extracted a testcase from your source/assembly mix and with
> 'gcc version 4.1.0 20050716 (experimental)' the code looks OK to me:

Yes, looks OK to me, as well.

-- 
(°=                 =°)
//\ Prakash Punnoor /\\
V_/                 \_V

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References:
- Re: gcc 4.0.x: MMX built-ins regression
  - From: Uros Bizjak

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