5 Commits

Author SHA1 Message Date
David Goodwin
b369ee4c48 Enhance the InstrStage object to enable the specification of an Itinerary with overlapping stages. The default is to maintain the current behavior that the "next" stage immediately follows the previous one.
llvm-svn: 78827
2009-08-12 18:31:53 +00:00
David Goodwin
fd5defed1d Allow a zero cycle stage to reserve/require a FU without advancing the cycle counter.
llvm-svn: 78736
2009-08-11 22:38:43 +00:00
Daniel Dunbar
0c04f2b454 Fix a -Asserts warning.
- Since the function is never called in NDEBUG mode, just dropped the DEBUG()
   uses here.

llvm-svn: 78649
2009-08-11 06:22:47 +00:00
David Goodwin
f20236ac83 Replace DOUT.
llvm-svn: 78634
2009-08-11 01:44:26 +00:00
David Goodwin
6021b4dccc Post RA scheduler changes. Introduce a hazard recognizer that uses the target schedule information to accurately model the pipeline. Update the scheduler to correctly handle multi-issue targets.
llvm-svn: 78563
2009-08-10 15:55:25 +00:00