search for: postraissuewidth

Displaying 2 results from an estimated 2 matches for "postraissuewidth".

2011 May 27
0
[LLVMdev] Post-RA scheduler and IssueWidth
...ake it. > > It would be nice if the itinerary did not require defining "pseudo" functional unit to enforce issue width. But computeIssueWidth() currently depends on it. Catch-22. > > -Andy > -------------- next part -------------- A non-text attachment was scrubbed... Name: PostRAIssueWidth.patch Type: application/octet-stream Size: 797 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20110527/2ae78df4/attachment.obj>
2011 May 27
2
[LLVMdev] Post-RA scheduler and IssueWidth
Hi, Can someone tell me if my understanding is right in that post-RA scheduler currently assumes no limits on a pipeline's issue width? If so, is it by design or just overlooked? I have a case for, say, 1-issue pipeline when certain pipeline resource becomes occupied a few clocks after instruction start, but hazard evaluation is done incorrectly as scheduler advances clock not for every