This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: PPro patch for egcs
- To: hjl at lucon dot org
- Subject: Re: PPro patch for egcs
- From: john at feith dot com (John Wehle)
- Date: Wed, 3 Jun 1998 21:29:27 -0400
- Cc: law at cygnus dot com, egcs at cygnus dot com
>> Please describe the special cases.
>>
>> > if ((code == GT || code == LE)
>> > && (cc_prev_status.flags & CC_NO_OVERFLOW))
>> > return NULL_PTR;
>>
>> It's not clear to me that this is correct. The general form for
>
>That is very tricky.
Not to be completely thick .... but why are only GT and LE relevant?
It also occurs to me that there may be a problem with the floating
point conditional move instructions which (I just noticed) do not
support checking the overflow flag.
-- John
-------------------------------------------------------------------------
| Feith Systems | Voice: 1-215-646-8000 | Email: john@feith.com |
| John Wehle | Fax: 1-215-540-5495 | |
-------------------------------------------------------------------------