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由 Richard Henderson 提交于
Use sub2 if available, otherwise use 64-bit arithmetic. Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
2de68a49
Use sub2 if available, otherwise use 64-bit arithmetic. Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>