From: "H . J . Lu" <hjl@lucon.org>
To: Hartvig Ekner <hartvige@mips.com>
Cc: user alias <linux-mips@oss.sgi.com>
Subject: Re: Compiler problem in glibc
Date: Sun, 17 Mar 2002 10:41:24 -0800 [thread overview]
Message-ID: <20020317104124.A4002@lucon.org> (raw)
In-Reply-To: <200203171052.g2HAqGb27844@coplin09.mips.com>; from hartvige@mips.com on Sun, Mar 17, 2002 at 11:52:15AM +0100
On Sun, Mar 17, 2002 at 11:52:15AM +0100, Hartvig Ekner wrote:
> I have found a problem in glibc caused by the gcc-2.96-99.1 compiler
> from H.J's miniport.
>
> in the exp() function (file w_expf.c), there is code like:
>
> #ifdef __STDC__
> float __expf(float x) /* wrapper expf */
> #else
> float __expf(x) /* wrapper expf */
> float x;
> #endif
> {
> #ifdef _IEEE_LIBM
> return __ieee754_expf(x);
> #else
> float z;
> z = __ieee754_expf(x);
> if(_LIB_VERSION == _IEEE_) return z;
>
> if(__finitef(x)) {
> if(x>o_threshold)
>
>
> (IEEE_LIBM is not set). Note that there are two function calls (ieee754_expf
> and finitef()) followed by a FP if-statement (x>o_threshold). This
> translates into:
>
I believe it has been reported before and is fixed in gcc 3.1 at the
time.
H.J.
next prev parent reply other threads:[~2002-03-17 18:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-17 10:52 Compiler problem in glibc Hartvig Ekner
2002-03-17 10:52 ` Hartvig Ekner
2002-03-17 18:41 ` H . J . Lu [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-03-18 0:55 Zhang Fuxin
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