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Re: [Qemu-devel] [6106] Implement default-NaN mode.
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From: |
Paul Brook |
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Subject: |
Re: [Qemu-devel] [6106] Implement default-NaN mode. |
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Date: |
Fri, 19 Dec 2008 14:25:33 +0000 |
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User-agent: |
KMail/1.9.9 |
> Doesn't this require an update to the way flags are computed in
> target-arm/cpu.h/cpu_get_tb_cpu_state?
No. These are all runtime checks.
In theory this patch (and the flush-to-zero patch) introduce some runtime
overhead. However it should only effect the exceptional cases of denormals
and NaNs, normal numbers should be unaffected.
> Also I guess the comment at end of vfp_set_fpscr needs some
> update to reflect the handling of DN :-)
Keep reading :-)
Paul