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authorPaul A. Clarke <pc@us.ibm.com>2019-08-20 12:26:04 -0500
committerDavid Gibson <david@gibson.dropbear.id.au>2019-08-29 09:46:07 +1000
commitfa7d9cb9600ab100c318a1de3ed6f4b4fcbad506 (patch)
tree451fe830671a4972272a9c1848150b89f7f9c6ef /scripts/qapi/source.py
parent256be7d07a0c1f9d8e2076aa4f7ca4fc048f6838 (diff)
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ppc: Fix xscvdpspn for SNAN
The xscvdpspn instruction implements a non-arithmetic conversion.
In particular, NaNs are not silenced and rounding is not performed.

Rewrite to match the pseudocode for ConvertDPtoSP_NS() in the
Power 3.0B manual.

Signed-off-by: Paul A. Clarke <pc@us.ibm.com>
Message-Id: <1566321964-1447-1-git-send-email-pc@us.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[dwg: Replaced description with clearer version from rth]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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