This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [PATCH] Testsuite tweaks (SPARC)


On Tue, Oct 14, 2003 at 08:25:23PM -0700, David S. Miller wrote:
> VIS is not well designed enough, unfortunately.  It's the most
> primitive of all the multimedia instruction sets.  For example,
> implementing an IEEE compliant IDCT in VIS is like pulling one's
> toenails out whereas on altivec and MMX it's mostly sane.

Granted.  However, I would encourage you to use the appropriate
vector operations when applicable, rather that just makeing all
the buildins use UNSPECs.


r~


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]