d03bba0bfb
Introduce uabs64(), a function that returns the absolute value of a 64-bit int as an unsigned value. This avoids the undefined behavior for common abs implementations, where abs of the most negative value is undefined. Signed-off-by: Luis Pires <luis.pires@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20210910112624.72748-4-luis.pires@eldorado.org.br> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>