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f567577ede
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56 Commits

Author SHA1 Message Date
David Harris
f567577ede Fixed radix 2 k = 1 lint 2022-12-31 07:01:50 -08:00
David Harris
7c7d40ad63 Broken commit starting to address radix 2 issues 2022-12-31 06:19:15 -08:00
Cedar Turek
fb9a0c797f various formatting fixes and comments 2022-12-30 18:41:40 -08:00
Cedar Turek
ae447e42df removed unnecessary mdue gating 2022-12-30 17:53:06 -08:00
Cedar Turek
545a3ff363 various cleanup 2022-12-30 14:31:23 -08:00
Cedar Turek
3170130c94 Code cleanup 2022-12-30 14:13:33 -08:00
Cedar Turek
158e23b5a5 commented complicated step/right shift calc 2022-12-30 12:03:10 -08:00
David Harris
3c475455d9 Clean up sqrt preproc 2022-12-30 07:00:48 -08:00
David Harris
4fb8396867 Clean up sqrt initialization mux 2022-12-30 06:55:20 -08:00
David Harris
dba3ffe767 Reduced size of preproc right shift 2022-12-30 06:47:40 -08:00
David Harris
0e9bd5dab5 fdivsqrtpreproc shift simplification 2022-12-30 06:45:51 -08:00
David Harris
776f4714af Clean up names and comments in divsqrt 2022-12-29 08:02:44 -08:00
David Harris
6664cb9db4 Factored out hardware unique to RV64 and to IDIV 2022-12-29 07:36:26 -08:00
David Harris
d59878a886 Moved IDIV_ON_FP into conditional block in fdivsqrtpreproc 2022-12-27 21:53:00 -08:00
David Harris
c08811357c Renamed muldiv to mdu 2022-12-27 19:57:10 -08:00
David Harris
e34b8139af Check for non-negative W in int sign handling 2022-12-27 06:35:17 -08:00
Cedar Turek
f48b7d7ef9 fpu idiv working on all configs with 1 copy of radix 2! 2022-12-26 23:18:28 -08:00
Cedar Turek
bebaf08bed took out otfc swap. updated postprocessing quotient/remainder logic for int div. 2022-12-26 21:03:56 -08:00
David Harris
2de66e9eef Moved fdivsqrtexpcalc to its own file 2022-12-26 08:45:43 -08:00
cturek
cc6f219bdd Added A Sign register. Fixed postprocessing logic for postinc and rem calculation. 2022-12-24 06:46:52 +00:00
David Harris
9e21358d75 Removed unused signals from FPU 2022-12-23 00:18:39 -08:00
David Harris
0a7ed944a5 Revert to 98b824 2022-12-22 23:58:14 -08:00
David Harris
56312cd0a6 Clean up unused FPU signals 2022-12-22 23:53:09 -08:00
David Harris
4d509f94ec FDIV merge 2022-12-22 23:03:03 -08:00
David Harris
2d72bed1f4 Removed unused signals in FPU and CSR 2022-12-22 22:59:05 -08:00
cturek
ccbad67497 Added negative-result int diviison support in U and UM registers. 13 tests pass! 2022-12-22 16:25:37 +00:00
cturek
80ca75e216 Added ForwardedSrcAM to postprocessor. Now passing 8 tests on rv32gc. 2022-12-22 05:44:55 +00:00
cturek
0b4d81bd4a worked out some bugs with int div cycles 2022-12-22 02:22:01 +00:00
cturek
c3fdc0ab23 Renamed signals to E and M stages, forwarded preprocessed n to fsm 2022-12-22 00:43:27 +00:00
Alessandro Maiuolo
5a82898649 Added NumZeroE, AZeroM, and BZeroM 2022-12-18 20:02:40 -08:00
cturek
06c58f310d Added mux for integer special case, renamed signals to match pipelined stage 2022-12-16 18:43:49 +00:00
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
d64cd715f9 Renamed DivStartE to IFDivStartE 2022-12-02 11:30:49 -08:00
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
cturek
e7c25f9562 Fixed asign and bsign 2022-11-09 18:41:26 +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
2a45787b37 Added buffered signals for int/fp 2022-10-28 21:47:24 +00:00
cturek
51fc4de0e1 small signal cleanup 2022-10-26 18:42:49 +00:00