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[Bug target/27006] [4.1/4.2 Regression] Invalid altivec constant loading code
- From: "paolo dot bonzini at lu dot unisi dot ch" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Apr 2006 07:27:32 -0000
- Subject: [Bug target/27006] [4.1/4.2 Regression] Invalid altivec constant loading code
- References: <bug-27006-1501@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #11 from paolo dot bonzini at lu dot unisi dot ch 2006-04-14 07:27 -------
Subject: Re: [4.1/4.2 Regression] Invalid altivec constant
loading code
> I'm not sure why you think that two splats and two adds is too
> expensive.
>
I'd hope that these constants stay in the cache...
I'd be more interested in implementing a splat+shift combination to make
EASY_VECTOR_15_ADD_SELF more generic.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27006