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由 Will Newton 提交于
Make the VFP_CONV_FIX helpers a little more flexible in preparation for the A64 uses. This requires two changes: * use the correct softfloat conversion function based on itype rather than always the int32 one; this is possible now that softfloat provides int16 versions and necessary for the future conversion-to-int64 A64 variants. This also allows us to drop the awkward 'sign' macro argument. * split the 'fsz' argument which currently controls both width of the input float type and width of the output integer type into two; this will allow us to specify the A64 64-bit-int-to-single conversion function, where the two widths are different. We can also drop the (itype##_t) cast now that softfloat guarantees that all the itype##_to_float* functions take an integer argument of exactly the correct type. Signed-off-by: NWill Newton <will.newton@linaro.org> Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Reviewed-by: NRichard Henderson <rth@twiddle.net>
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