square, subtract, right shift, compare, mul_d_add_offset. This lib's Modular Exponentiation performance now compares favorably with most (not all) other open source bignum libs on IRIX/R5000. No assembler code is presently being used. Comparison on other platforms will now commence. git-svn-id: svn://10.0.0.236/trunk@75633 18797224-902f-48f8-a5cc-f745e15eee43