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Re: [Qemu-devel] [6050] fp: add floatXX_is_infinity(), floatXX_is_neg(),
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From: |
Laurent Desnogues |
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Subject: |
Re: [Qemu-devel] [6050] fp: add floatXX_is_infinity(), floatXX_is_neg(), floatXX_is_zero() |
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Date: |
Thu, 18 Dec 2008 16:15:10 +0100 |
On Mon, Dec 15, 2008 at 6:14 PM, Aurelien Jarno <address@hidden> wrote:
> Revision: 6050
> http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6050
> Author: aurel32
> Date: 2008-12-15 17:14:20 +0000 (Mon, 15 Dec 2008)
>
> Log Message:
> -----------
> fp: add floatXX_is_infinity(), floatXX_is_neg(), floatXX_is_zero()
>
> Signed-off-by: Aurelien Jarno <address@hidden>
[...]
> Modified: trunk/fpu/softfloat.h
> ===================================================================
> --- trunk/fpu/softfloat.h 2008-12-15 17:14:12 UTC (rev 6049)
> +++ trunk/fpu/softfloat.h 2008-12-15 17:14:20 UTC (rev 6050)
> @@ -281,6 +281,21 @@
> return make_float32(float32_val(a) ^ 0x80000000);
> }
>
> +INLINE int float32_is_infinity(float32 a)
> +{
> + return (float32_val(a) & 0x7fffffff) == 0x7ff80000;
This should be == 0x7f800000.
Laurent