T> What is MDU?
T> It is faster on all tried MIPS32R1/R2/R5 CPUs (see the c/l table) and is
T> expected to be fast with any pipelined MDU. So-called Area-Efficient MDU
T> (optional on some MCUs) will run it *much* slower (~3x for addmul_1).
T> What is 3x slower than what?
multiply-divide un
i...@mobile-stream.com writes:
The code tries to keep the [accidental] property of MIPS-II counterparts:
constant-time operation on 32x16 MDUs as found on e.g. 4KEc and some low-
end MCUs. Even if that is unimportant, the performance cost is invisible.
What is MDU?
It is faster on all tr
Add MIPS32R1 MADDU-based *mul_1.asm functions.
The code tries to keep the [accidental] property of MIPS-II counterparts:
constant-time operation on 32x16 MDUs as found on e.g. 4KEc and some low-
end MCUs. Even if that is unimportant, the performance cost is invisible.
It is faster on all tried MI
