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From derek.br...@gmail.com on December 10, 2010 17:58:14
PR 503782
movzx 1-to-4 load addressability should check just the referenced 2 bits.
movzx 2-to-4 should propagate instead of bailing to check_definedness.
neither should be difficult to implement and should help twolf, vpr, and other benchmarks.
PR 503782: keep movzx 1-to-4 partial-unaddr and 2-to-4 partial-undef on fastpath
Original issue: http://code.google.com/p/drmemory/issues/detail?id=172
The text was updated successfully, but these errors were encountered:
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From derek.br...@gmail.com on December 10, 2010 17:58:14
PR 503782
movzx 1-to-4 load addressability should check just the referenced 2 bits.
movzx 2-to-4 should propagate instead of bailing to check_definedness.
neither should be difficult to implement and should help twolf, vpr, and
other benchmarks.
PR 503782: keep movzx 1-to-4 partial-unaddr and 2-to-4 partial-undef
on fastpath
twolf test slowpath reductions:
tot:
195 movzx: 209291
200 movsx: 888302
1-to-4:
195 movzx: 184074
200 movsx: 515750
195 movzx: 32
Original issue: http://code.google.com/p/drmemory/issues/detail?id=172
The text was updated successfully, but these errors were encountered: