Thumb2 front end: improved analysis of IT instructions that might
guard the one being translated, with the goal of proving this
isn't the case more of the time.  Reduces the amount of generated
code by about 10% with --tool=none, and performance improvements
(also with --tool=none) of up to 25% have been observed.


git-svn-id: svn://svn.valgrind.org/vex/trunk@2166 8f6e269a-dfd6-0310-a8e1-e2731360e62c
1 file changed