This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: Useless patterns in alpha.md
- To: Jeffrey A Law <law at cygnus dot com>
- Subject: Re: Useless patterns in alpha.md
- From: Bernd Schmidt <bernds at pathia dot cygnus dot co dot uk>
- Date: Sun, 28 Nov 1999 10:49:10 +0000 (GMT)
- cc: gcc-patches at gcc dot gnu dot org
> Specifically what changes to register elimination?
These:
Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
That patch tries to ensure that register elimination is only done inside
operands, not on those parts of the rtl which make up the structure of
an insn.
I can find one ChangeLog entry where Richard put these patterns back in;
I'm not sure whether you were referring to this one:
Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
* alpha.md: Revert Thu Nov 26 change that came in through the
last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
Bernd