Subzero: Dump register numbers as signed quantities.
Undo an overly aggression application of unsigned to register numbers in 8aa396610b7baf728631a43ea16ad3d13e38397a (https://codereview.chromium.org/1676123002).
Now, instead of -verbose=regalloc output like:
++++++ Unhandled:
R=jpp@chromium.org, kschimpf@google.com, 4294967295 V=%__4 Range=[2:7), 4294967295 V=%__5 Range=[7:8), 4294967295 V=%__6 Range=[9:11), -1 V=%__4 Range=[2:7), -1 V=%__5 Range=[7:8), -1 V=%__6 Range=[9:11)
we have the originally intended:
++++++ Unhandled:
BUG= none
Review URL: https://codereview.chromium.org/1868543002 .
1 file changed
