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Re: iso c9x unordered fp cmp builtins
- To: David Edelsohn <dje at watson dot ibm dot com>
- Subject: Re: iso c9x unordered fp cmp builtins
- From: Richard Henderson <rth at cygnus dot com>
- Date: Sun, 1 Mar 1998 22:08:10 -0800
- Cc: Richard Henderson <rth at cygnus dot com>, egcs at cygnus dot com
- References: <19980301213842.10263@dot.cygnus.com> <9803020551.AA24480@rios1.watson.ibm.com>
- Reply-To: Richard Henderson <rth at cygnus dot com>
On Mon, Mar 02, 1998 at 12:51:22AM -0500, David Edelsohn wrote:
> Does iso9x now mandate that the regular comparison operators signal QNaN?
I don't believe so.
The only thing to do for proper ppc support then is to use whichever
branch it is that tests
# define isunordered(x, y) (__unordered_cmp (x, y) & 1)
"bun", perhaps?
r~