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Re: Status of SSE builtins
- From: Gerald Pfeifer <pfeifer at dbai dot tuwien dot ac dot at>
- To: Jan Hubicka <jh at suse dot cz>
- Cc: gcc at gcc dot gnu dot org, <rth at cygnus dot com>, <bernds at redhat dot com>, <aj at suse dot de>
- Date: Tue, 29 Oct 2002 22:39:47 +0100 (CET)
- Subject: Re: Status of SSE builtins
On Tue, 29 Oct 2002, Jan Hubicka wrote:
> I am attaching the 3.2 changes. In case you feel it as good idea, I
> will apply same changes to 3.3 too.
> I am not sure whether people see 3.3 as successor 3.2.1 or whether they
> see them independent (as they really are)
Usually, GCC 3.x.1 should not differ too much from 3.x, so if we made
a substantial change in both 3.x.1 and mainline, I believe we should
announce that in both places, because someone might have tried/looked
at 3.x and concluded that it was not useful for him.
> Index: gcc-3.2/changes.html
> + <li>Fixed number of bugs in SSE and MMX intrinsics.</li>
> + <li>ABI fixes (implying ABI incompatibilities with previous version in some
> + side cases)</li>
I believe this should be "corner case".
> Index: gcc-3.3/changes.html
> ! <li>The SPARC, HP-PA, SH4, and partly x86 ports have been converted to
> use the DFA processor pipeline description.</li>
What does "partly" mean here? Can we list the exact list of ports
> + <li>SSE2 and 3dNOW! intrinsics are now supported</li>
"supported." (with a full stop; I believe there is also a similar case
> + <li>Support for thread local storeage has been added to both IA-32
> + and x86-64 ports.
to the IA-32 and x86-64 ports
> + <li>The x86-64 port has been significantly improved</li>
Full stop. (How has it been improved? In terms of performance of the
Both patches are fine with those minor changes; thanks!
Gerald "Jerry" firstname.lastname@example.org http://www.dbai.tuwien.ac.at/~pfeifer/