qemu/tcg/i386
Richard Henderson 9bf38308f6 Revert "tcg/i386: Rely on undefined/undocumented behaviour of BSF/BSR"
This reverts commit 4ac7691073.

This fixes
  http://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg03062.html

While I think we could get away with relying on the undocumented
behaviour, the tcg constraint system isn't powerful enough to
properly describe the required (non-)overlap conditions.

Reported-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-01-17 11:59:13 -08:00
..
tcg-target.h tcg/i386: Handle ctpop opcode 2017-01-10 08:49:59 -08:00
tcg-target.inc.c Revert "tcg/i386: Rely on undefined/undocumented behaviour of BSF/BSR" 2017-01-17 11:59:13 -08:00