Great. The same problem exists for sp_tlong.c and dp_tlong.c.
/Kjeld
On Thu, 29 Nov 2001, Mark Salter wrote:
>
> The following patch fixes the emulation of cvt.w.s and cvt.w.d for
> values of -2147483648.
>
> --Mark
>
>
> Index: sp_tint.c
> ===================================================================
> RCS file: /cvs/linux/arch/mips/math-emu/sp_tint.c,v
> retrieving revision 1.4
> diff -u -p -5 -c -r1.4 sp_tint.c
> cvs server: conflicting specifications of output style
> *** sp_tint.c 2001/10/09 23:56:19 1.4
> --- sp_tint.c 2001/11/29 19:14:58
> *************** int ieee754sp_tint(ieee754sp x)
> *** 48,57 ****
> --- 48,60 ----
> case IEEE754_CLASS_DNORM:
> case IEEE754_CLASS_NORM:
> break;
> }
> if (xe >= 31) {
> + /* look for valid corner case */
> + if (xe == 31 && xs && xm == SP_HIDDEN_BIT)
> + return -2147483648;
> /* Set invalid. We will only use overflow for floating
> point overflow */
> SETCX(IEEE754_INVALID_OPERATION);
> return ieee754si_xcpt(ieee754si_indef(), "sp_tint", x);
> }
> Index: dp_tint.c
> ===================================================================
> RCS file: /cvs/linux/arch/mips/math-emu/dp_tint.c,v
> retrieving revision 1.4
> diff -u -p -5 -c -r1.4 dp_tint.c
> cvs server: conflicting specifications of output style
> *** dp_tint.c 2001/10/09 23:56:18 1.4
> --- dp_tint.c 2001/11/29 19:18:02
> *************** int ieee754dp_tint(ieee754dp x)
> *** 48,57 ****
> --- 48,60 ----
> case IEEE754_CLASS_DNORM:
> case IEEE754_CLASS_NORM:
> break;
> }
> if (xe >= 31) {
> + /* look for valid corner case */
> + if (xe == 31 && xs && xm == DP_HIDDEN_BIT)
> + return -2147483648;
> /* Set invalid. We will only use overflow for floating
> point overflow */
> SETCX(IEEE754_INVALID_OPERATION);
> return ieee754si_xcpt(ieee754si_indef(), "dp_tint", x);
> }
>
--
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