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278 Commits

Author SHA1 Message Date
cturek
c3fdc0ab23 Renamed signals to E and M stages, forwarded preprocessed n to fsm 2022-12-22 00:43:27 +00:00
cturek
ab71962dc0 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally 2022-12-21 19:35:57 +00:00
cturek
c479b9f112 fixed normshift calculations 2022-12-21 19:35:47 +00:00
David Harris
e327d70cdc Removed unused FPU signals 2022-12-21 11:31:22 -08:00
David Harris
e7702e48b7 FPU remove unused signals 2022-12-20 14:43:30 -08:00
David Harris
67763dbeec Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-19 09:09:57 -08:00
David Harris
3172dfd6a9 Properly decode fcvtint to prevent unnecessary stalls 2022-12-19 09:09:48 -08:00
Ross Thompson
159eda85f0 Renamed FStallD to FPUStallD. 2022-12-19 09:28:45 -06:00
Alessandro Maiuolo
5a82898649 Added NumZeroE, AZeroM, and BZeroM 2022-12-18 20:02:40 -08:00
Alessandro Maiuolo
2989782fe6 fixed LOGRK. FIxed Xs in WC and WS from muxes reliant on SqrtE. note not linting on 4 copies radix 4 because IntBits only 7 bits wide (need 8) 2022-12-18 19:04:36 -08:00
cturek
4b8cbd9fa0 Added integer support for initC 2022-12-16 19:02:11 +00:00
cturek
06c58f310d Added mux for integer special case, renamed signals to match pipelined stage 2022-12-16 18:43:49 +00:00
David Harris
7989f449ad Disabled starting FPU divider when IDIV_ON_FPU = 0 2022-12-16 06:35:29 -08:00
cturek
d7571bb9b1 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally 2022-12-16 03:41:39 +00:00
David Harris
4365c99b52 Refactored stalls and flushes, including FDIV flush with FlushE 2022-12-15 10:56:18 -08:00
David Harris
5f637ef4a7 Use FPU divider for integer division when F is supported 2022-12-14 17:03:13 -08:00
cturek
8829e627eb Fixed BZero and initU/initUM muxes 2022-12-14 16:44:46 +00:00
cturek
f57211bb49 Fixed D sizing issues across fdivsqrt. Fixed preproc to accept either int or float inputs 2022-12-10 21:56:35 +00:00
Ross Thompson
de99663b97 Revert "Changed weird D sizing. Better names in preproc. Finalized Int/Float input to divider." 
This reverts commit 70b89e5214.
 2022-12-04 00:01:58 +00:00
cturek
70b89e5214 Changed weird D sizing. Better names in preproc. Finalized Int/Float input to divider. 2022-12-02 21:44:29 +00:00
cturek
1f32603c30 Added flops to preproc 2022-12-02 20:31:08 +00:00
David Harris
9395414df3 Renamed FPUStallD to FCvtIntStallD 2022-12-02 11:55:23 -08:00
David Harris
d64cd715f9 Renamed DivStartE to IFDivStartE 2022-12-02 11:30:49 -08:00
David Harris
9c1b7e53e4 FPU divider working with execute stage stall 2022-12-02 11:11:53 -08:00
cturek
7140642c93 Almost done with Int division 2022-11-22 22:22:59 +00:00
David Harris
bc3b783543 comment cleanup 2022-11-16 10:23:20 -08:00
David Harris
ddba68605e Renamed DivBusy to FDivBusyE in FPU 2022-11-16 10:13:27 -08:00
David Harris
e008d663f4 Moved DivStartE to fdivsqrtfsm 2022-11-16 10:00:07 -08:00
cturek
6fe35ee0e3 Attempt to fix FPGA synth errors 2022-11-15 20:34:28 +00:00
cturek
1c49d4a1c2 Fixed lint errors in postprocessing 2022-11-15 20:31:23 +00:00
cturek
0b2c8b9d46 Added majority of combinational logic 2022-11-14 00:06:38 +00:00
cturek
74f58b5d89 Added Quotient/Remainder calcs to normal termination 2022-11-13 23:44:34 +00:00
cturek
b3bfdbad18 Added flops for n and m, added B=0 signal 2022-11-13 23:02:43 +00:00
cturek
9c70ab917c Added A<B signal to fdivsqrt, started postprocessing merge 2022-11-13 22:40:26 +00:00
David Harris
0ce3cc393a Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-11-13 04:23:26 -08:00
David Harris
0502b8ea4d Comments about division hazards 2022-11-13 04:17:37 -08:00
cturek
ff410cd849 Added integer step counter to fsm 2022-11-11 00:23:25 +00:00
cturek
e7c25f9562 Fixed asign and bsign 2022-11-09 18:41:26 +00:00
cturek
b137a95a35 propagated otfc swap to Rad2 and 4 qslc 2022-11-06 23:32:38 +00:00
cturek
1e927df1a0 Added conditional OTFC swap for simplified int postprocessing 2022-11-06 23:09:09 +00:00
cturek
56b7bb3590 Finished Int Preprocessinggit add ../src/fpu/fdivsqrt/fdivsqrtpreproc.sv 2022-11-06 22:40:21 +00:00
cturek
ee048325cb Added n and rightshiftx 2022-11-06 22:31:48 +00:00
cturek
67f2cb0595 p calculation 2022-11-06 22:24:21 +00:00
cturek
7567f388c2 Changed lzc names, started int/fp size merge in preproc 2022-11-06 22:21:35 +00:00
cturek
333da5c945 Added n, p, and m signals between fdivsqrt submodules. Added w64 and mdue to divsqrt testbench. 2022-11-06 22:08:18 +00:00
cturek
b893d9249d Added new macros for int div preprocessing, added p, n, and rightshiftx logic 2022-11-06 21:53:48 +00:00
cturek
39bf6a456e renamed remOp to RemOp 2022-11-03 22:37:25 +00:00
cturek
890b26466f Added rem/div operation to postprocessor 2022-11-02 17:49:40 +00:00
cturek
2a45787b37 Added buffered signals for int/fp 2022-10-28 21:47:24 +00:00
cturek
2ae0a9bb5d Config Cleanup 2022-10-27 22:38:56 +00:00