The following choices of name are available on i386 and x86_64 targets:
x86-stlf-window-ninsns ¶Number of instructions above which STFL stall penalty can be compensated.
x86-stv-max-visits ¶The maximum number of use and def visits when discovering a STV chain before the discovery is aborted.
ix86-vect-unroll-limit ¶Limit how much the autovectorizer may unroll a loop.
ix86-vect-compare-costs ¶Whether x86 vectorizer cost modeling compares costs of different vector sizes.