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316dca3985
There are multiple special cases for this instruction.
(1) The saturate to normal maximum instead of overflow to infinity is
handled by the new float_round_nearest_even_max rounding mode.
(2) The 0 * n + c special case is handled by the new
float_muladd_suppress_add_product_zero flag.
(3) The Inf - Inf -> 0 special case can be detected after the fact
by examining float_flag_invalid_isi.
Reviewed-by: Brian Cain <brian.cain@oss.qualcomm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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