[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: glibc segfault on "special" long double values is _ok_!?

From: Bruno Haible
Subject: Re: glibc segfault on "special" long double values is _ok_!?
Date: Thu, 7 Jun 2007 04:09:06 +0200
User-agent: KMail/1.5.4

Ulrich Drepper wrote:
> Intel's IA-64 people (and I smell HP in there) are the idiots who caused this.

The crash also occurs on i386 platforms, e.g. CPUs built by AMD.

> Here it's the implementation of the processor which is at fault.

But printf %Le does not do any hardware floating-point instruction except
those in glibc's __isnanl and __isinfl functions: __mpn_extract_long_double
extracts the bits using integer arithmetic.

> Neither CPU nor kernel bugs will be worked around if it's expensive.

Do you find that Jakub's added 4 lines of code are "expensive"?

> Just don't use those OS and processor versions if it bothers you.

Right. Don't use i386, x86_64, and ia64. What machine are you using?


reply via email to

[Prev in Thread] Current Thread [Next in Thread]