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179 Commits

Author SHA1 Message Date
Ross Thompson
bbc6095260 Updated global history predictor. 2023-02-13 18:07:32 -06:00
Ross Thompson
9f25b53b36 Fixed bug in basic gshare implementation. Should be a better comparison to the speculative versions now. 2023-02-13 17:57:05 -06:00
Ross Thompson
b298a8afc5 Created copy of gshare. I think there may be a simpler implementation. 2023-02-13 17:29:51 -06:00
Ross Thompson
a80dbd3aec Further branch predictor improvements. 2023-02-13 17:23:56 -06:00
Ross Thompson
717cba270c Partial improvement. 2023-02-13 17:10:24 -06:00
Ross Thompson
f4af38a004 Hacked commit. Fixes the gshare bugs introduced last week. 
Need to recover the good changes in the next commit.
 2023-02-13 16:14:17 -06:00
Ross Thompson
1d74663f42 Partial fix for gshare bugs from the last two weeks. 2023-02-13 11:57:25 -06:00
Ross Thompson
58749a8c57 Removed another bit from btb class. 2023-02-12 11:33:43 -06:00
Kevin Kim
c59dfc1e30
fixed typo in LZC 2023-02-11 19:59:03 -08:00
Ross Thompson
1e0667db1d More simplifications to the BP. 2023-02-10 17:09:35 -06:00
Ross Thompson
9c4da7381f Experimental branch prediction optimization. 2023-02-10 15:45:56 -06:00
Ross Thompson
9c2e0de672 Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-02-10 10:38:39 -06:00
Ross Thompson
c229f0064e Modified branch predictor to use InstrValidE and InstrValidD rather than the more complex InstrClassE | WrongClassE logic. 2023-02-10 10:33:10 -06:00
Ross Thompson
282ffd1313 RAS and RAS documentation now consistent. 2023-02-10 09:06:51 -06:00
Ross Thompson
faf7cd8c8a Updated globalhistory predictor. 2023-02-09 14:48:02 -06:00
Ross Thompson
996bb289d3 Simplified branch predictor. 2023-02-08 18:24:38 -06:00
David Harris
5bf709d7c3 Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-02-07 16:49:58 -08:00
Ross Thompson
7263fab4b1 Branch predictor cleanup. 2023-02-07 14:01:59 -06:00
David Harris
195e7c1a9c Moved STATUS_FS_INT write to if statement to properly prioritize 2023-02-07 06:55:42 -08:00
David Harris
0712fa8f67 Disabled STATUS_FS at reset, fixing issue #71 2023-02-07 06:31:14 -08:00
Ross Thompson
54a128491e Fixed Bug 66. 
If a load missed at the same time as a spilled instruction fetch with an ITLB miss in the second cache line, the HPTW did not wait for the load miss to finish.
 2023-02-06 17:32:28 -06:00
Ross Thompson
a33c579e4b Removed unreachable if branch in hptw next state logic. 2023-02-06 16:42:07 -06:00
David Harris
103781923e Parenthesized reduction operators to avoid DC lint 2023-02-04 18:49:47 -08:00
David Harris
1bb5599806 Developing debug test 2023-02-04 08:31:47 -08:00
David Harris
b13087e706 Fixed merge issues on synthDC PR 2023-02-04 04:13:40 -08:00
David Harris
e0915acad9 Improved illegal NaN-box detection and formatted fsgninj 2023-02-04 03:42:20 -08:00
David Harris
d7ae05ae8e Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-02-03 08:36:11 -08:00
David Harris
aae035226f Merged with memories 2023-02-02 14:50:46 -08:00
David Harris
99d179dd3e Removed pipelined level of hierarchy 2023-02-02 14:14:11 -08:00