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On Wed, Nov 10, 2010 at 1:11 PM, Ulrich Drepper <drepper@gmail.com> wrote: > On Wed, Nov 10, 2010 at 12:29, H.J. Lu <hjl.tools@gmail.com> wrote: >> With IFUNC functions, glibc testsuite can only test one implementation. >> We need a way to test SSE2/SSSE3/SSE4 implementations on SSE4 >> machines. > > You do unit testing. ?Link the test app against the .o/.os file and > call the function y its real name (__strcmp_sse4 etc). > It has to be done by hand whenever the change is made. Here is a prove of concept to test multiple copy of memcpy. -- H.J.
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