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Author SHA1 Message Date
Cedar Turek
6d933a88c7 idiv passing radix 2, four copies 2022-12-27 22:10:48 -08:00
Cedar Turek
00073155c5 Fixed cycles for multiple iterations. 2-copies radix 2 passing regression. 2022-12-27 21:34:27 -08:00
David Harris
17bd0d9d68 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-27 21:30:13 -08:00
David Harris
0a0ca0ae07 cleanup 2022-12-27 21:29:36 -08:00
David Harris
d6aad0f3c3 Fixed floating Sqrt signal when floating point is disabled, causing REMU tohang during buildroot around 3.2M 2022-12-27 21:24:38 -08:00
David Harris
20787964c9 Renamed muldiv to mdu 2022-12-27 19:57:10 -08:00
Ross Thompson
2c0f3d2c6c Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-27 15:06:25 -06:00
Ross Thompson
1f42098758 Added about moving decompressed config generate. 2022-12-27 15:04:55 -06:00
David Harris
9544051c1e Removed MDUE from unnecessary places in fdivsqrt 2022-12-27 10:42:40 -08:00
David Harris
c903f8b8b2 fdiv typo 2022-12-27 10:30:42 -08:00
David Harris
ed26850439 Made SqrtE only true on square root so gating with ~MDUE can be removed) 2022-12-27 10:27:07 -08:00
David Harris
f5cc23cae9 Check for non-negative W in int sign handling 2022-12-27 06:35:17 -08:00
Cedar Turek
d41b07aa85 fpu idiv working on all configs with 1 copy of radix 2! 2022-12-26 23:18:28 -08:00
Cedar Turek
21b2ea9666 fpu passing idiv tests on rv32gc 1 copy of radix 2! 2022-12-26 21:47:56 -08:00
Cedar Turek
6977b7ceac took out otfc swap. updated postprocessing quotient/remainder logic for int div. 2022-12-26 21:03:56 -08:00
David Harris
add381a09e Fixed early termination for square root 2022-12-26 08:54:57 -08:00
David Harris
71f214df20 Moved fdivsqrtexpcalc to its own file 2022-12-26 08:45:43 -08:00
David Harris
3eafd2cca1 Removed unused DivSE from FPU 2022-12-26 07:29:19 -08:00
David Harris
214ef40b1c Moved floating-point tests earlier in Wally config 2022-12-25 22:31:20 -08:00
David Harris
facf439c70 testcount.pl script to count number of tests in each instruction 2022-12-25 22:28:58 -08:00
David Harris
0a067d342f Restored missing floating point load/store tests 2022-12-25 22:28:14 -08:00
David Harris
1a7c7a36d6 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-25 20:12:55 -08:00
Ross Thompson
1d11ff6153 Added missing assignment for no branch predictor mode. 2022-12-24 17:08:29 -06:00
David Harris
ac4797aac4 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-24 12:24:38 -08:00
Ross Thompson
461eea1e32 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-24 14:24:25 -06:00
Ross Thompson
b14b71c7a9 Fixed bug with the performance counters not updating. 2022-12-24 14:24:17 -06:00
Ross Thompson
138c3542db Updated fpga constraints. 2022-12-24 10:21:16 -06:00
David Harris
921b5582da ALU cleanup 2022-12-24 07:18:35 -08:00
Alessandro Maiuolo
56af142e7d added finish message to setup 2022-12-23 22:53:39 -08:00
cturek
ba3aca413c Added A Sign register. Fixed postprocessing logic for postinc and rem calculation. 2022-12-24 06:46:52 +00:00
Ross Thompson
693f32973f Minor optimizations. 2022-12-23 20:11:36 -06:00
Ross Thompson
424012ce97 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-12-23 19:51:23 -06:00
Katherine Parry
66510f38af reworked negitive sticky bit handeling in fma 2022-12-23 17:01:34 -06:00
Ross Thompson
f4f68cdd19 Improved comment. 2022-12-23 15:13:15 -06:00
Ross Thompson
b5a85b55f1 Reverted to naming IFUStallD to IFUStallF and LSUStallW to LSUStallM. These are generated in the F and M stage. 
Generate WFIStallM in the privileged unit rather than generate in hazard.
Cleaned up the hazard cause logic to be consistent across all causes.
 2022-12-23 15:10:37 -06:00
Ross Thompson
c9c83ca5ae Removed XEnE, YEnE, and ZEnE from forward logic. 
Cleanup comments.
 2022-12-23 14:27:03 -06:00
Ross Thompson
deee433d07 Cleanup floating point hazard logic. 2022-12-23 14:21:47 -06:00
Ross Thompson
c8a0e7685a DON'T USE. First commit in attempt to move fpustall detection into the decode stage. 2022-12-23 12:47:18 -06:00
Ross Thompson
b1aa370ff1 Removed ZForwardEnE and replaced with ZEnE. 
Similar for YForwardEnE.
 2022-12-23 12:27:51 -06:00
Ross Thompson
30dd86d146 Removed unnecessary stall when MatchDE was driven 1 by RdE == 0. 2022-12-23 11:45:42 -06:00
David Harris
98ecd9c77d Commented out fdiv early termination - broke fsqrt test 2022-12-23 00:58:55 -08:00
David Harris
04dd3e5144 Fixed early termination on fdivsqrt 2022-12-23 00:53:55 -08:00
David Harris
1f6dc62bb3 Moved InstrValidNotFLushed to csr including InstrValidM 2022-12-23 00:27:44 -08:00
David Harris
85d0b697bf Removed unused StallW from CSRs 2022-12-23 00:21:36 -08:00
David Harris
fe5b9081d9 Removed unused signals from FPU 2022-12-23 00:18:39 -08:00
David Harris
93bb8036be Revert to 98b824 2022-12-22 23:58:14 -08:00
David Harris
a185f563f2 Clean up unused FPU signals 2022-12-22 23:53:09 -08:00
David Harris
74979cdc82 FDIV merge 2022-12-22 23:03:03 -08:00
David Harris
51b92285d3 Removed unused signals in FPU and CSR 2022-12-22 22:59:05 -08:00
Ross Thompson
b6b30533e8 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-12-22 22:51:33 -06:00