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The ARMv8 instruction set includes a fused floating point reciprocal square root step instruction which demands an "(x * y + z) / 2" fused operation. Support this by adding a flag to the softfloat muladd operations which requests that the result is halved before rounding. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> |
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| .. | ||
| softfloat-macros.h | ||
| softfloat-specialize.h | ||
| softfloat.c | ||