Richard Henderson <r...@redhat.com> writes:
> This is only ok if the compiler and library are build with default options.
> If you use --with-arch=corei7-avx then we may well use AVX insns all through
> the library, not just in the one interface that will only be used if the
> user of the library is using avx.
>
> Can you auto-foo this based on CC+CFLAGS? E.g. compile-time tests for the
> various __SSE__ / __AVX__ macros?
Probably, but it occured to me that it might be easier to just apply the
mapfile to x86_avx.o unconditionally before linking libitm.la.
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University
