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softfloat: Fix float64_to_uint32_round_to_zero
The float64_to_uint32_round_to_zero routine is incorrect. For example, the following test pattern: 425F81378DC0CD1F / 0x1.f81378dc0cd1fp+38 will erroneously set the inexact flag. This patch re-implements the routine to use the float64_to_uint64_round_to_zero routine. If saturation occurs we ignore any flags set by the conversion function and raise only Invalid. This contribution can be licensed under either the softfloat-2a or -2b license. Signed-off-by: Tom Musta <tommusta@gmail.com> Message-id: 1387397961-4894-6-git-send-email-tommusta@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
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