Xref: news2.mv.net comp.os.msdos.djgpp:3505
From: Thomas Demmer <demmer AT LSTM DOT Ruhr-UNI-Bochum DOT De>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: libm.a/linker *BUG* with test program
Date: Mon, 06 May 1996 15:43:14 +0100
Organization: Lehrstuhl fuer Stroemungsmechanik
Lines: 49
Message-ID: <318E1002.2781@LSTM.Ruhr-UNI-Bochum.De>
References: <25900 DOT 9605051801 AT bylands DOT dur DOT ac DOT uk> <318DE92E DOT 41C6 AT LSTM DOT Ruhr-UNI-Bochum DOT De>
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To: djgpp AT delorie DOT com
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Thomas Demmer wrote:
> The solution is to change src/libm/src/s_scalbn.S to:
> 
> #include <machine/asm.h>
> 
> ENTRY(scalbn)
>         fidl 12(%esp)
>         fldl  4(%esp)
>         fscale          /* Now we have result in ST(0) and */
>                         /* 2nd operand in ST(1) */
>         fxch  %st(1)    /* Swap result and 2nd operand */
>         fincstp         /* throw away operand, result is now TOS */
>         ret
> 
> gcc -c s_scalbn.S
> 
> and replace s_scalbn.o in libm.a
> 
> with
> ar -rv libm.a s_scalbn.o

Sometimes I'm pretty stupid...

The correction _MUST_ be
 ENTRY(scalbn)
         fidl 12(%esp)
         fldl  4(%esp)
         fscale          /* Now we have result in ST(0) and */
                         /* 2nd operand in ST(1) */
	 ffree  %st(1)   
         ret
 
Sorry for that.

Ciao
Tom



*************************************************************
* Thomas Demmer                                             *
* Lehrstuhl fuer Stroemungsmechanik                         *
* Ruhr-Uni-Bochum                                           *
* Universitaetsstr. 150                                     *
* D-44780  Bochum                                           *
* Tel: +49 234 700 6434                                     *
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* http://www.lstm.ruhr-uni-bochum.de/~demmer                *
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