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Commit fdffbafb [Lots of FPU bug fixes from Kjeld Borch Egevang.] replaced the two single `ieee754sp_nanxcpt' and `ieee754dp_nanxcpt' places, where sNaN quieting used to happen for single and double floating-point operations respectively, with individual qNaN instantiations across all the call sites instead. It also made most of these two functions dead code as where called on a qNaN they return right away. To revert the damage and make sNaN quieting uniform again first rewrite `ieee754sp_nanxcpt' and `ieee754dp_nanxcpt' to do the same quieting all the call sites do, that is return the default qNaN encoding for all input sNaN values; never propagate any sNaN payload bits from its trailing significand field. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/9685/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> |
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