On Sun, Sep 01, 2024 at 07:24:03PM +0200, Christophe Leroy wrote:
> Without -O2, the generated code for testing chacha function is awful.
> GCC even implements rol32() as a function instead of just using the
> rotlwi instruction, that function is 20 instructions long.
>
> ~# time ./vdso_test
Without -O2, the generated code for testing chacha function is awful.
GCC even implements rol32() as a function instead of just using the
rotlwi instruction, that function is 20 instructions long.
~# time ./vdso_test_chacha
TAP version 13
1..1
ok 1 chacha: PASS
