Punt to interpreter if region translation fails in tracelet/legacy mode
commit06acf96fb1e8890f86940d3c3f2baf58e097fd2f
authorBrett Simmers <bsimmers@fb.com>
Tue, 8 Apr 2014 10:27:50 +0000 (8 03:27 -0700)
committerSara Golemon <sgolemon@fb.com>
Fri, 11 Apr 2014 04:49:31 +0000 (10 21:49 -0700)
treeb0deedfc1e613a456ac036e7bcdec009f4ff604a
parenta583ff467596a46cdeb3ab74612848c151131319
Punt to interpreter if region translation fails in tracelet/legacy mode

This will give a better picture of what perf will be like without any
Tracelets at all. It's somewhat analogous to the old option we had to disable
tx64 while getting the IR up to speed.

Reviewed By: @ottoni

Differential Revision: D1264297
hphp/runtime/vm/jit/mc-generator.cpp