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Re: cse vs libcalls
- To: Jim Wilson <wilson at cygnus dot com>
- Subject: Re: cse vs libcalls
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Fri, 05 Nov 1999 02:48:16 -0700
- cc: gcc-patches at gcc dot gnu dot org
- Reply-To: law at cygnus dot com
In message <199911040132.RAA06660@ada.cygnus.com.cygnus.com>you write:
> This patch makes the ia64 port work again. I also tested it against your
> original testcase using the m32r port, and it also solves your original
> problem. This patch is mostly an indentation change, so it isn't as big
> as it looks.
>
> I have not installed this patch yet, in case you wanted to comment on it.
>
> Wed Nov 3 16:56:33 1999 Jim Wilson <wilson@cygnus.com>
>
> * cse.c (cse_insn): Revert previous change. When computing src_elt,
> if REG_RETVAL check succeeds, then put classp in src_elt.
Thanks. This actually makes a little more sense now in terms of why libcall
cse worked in older version of the compiler, but not current versions.
jeff