189 Commits

Author	SHA1	Message	Date
David Harris	6bab8f0e3f	OTFC simplification	2022-09-19 00:51:56 -07:00
David Harris	362056f53d	Removed unused otfc for Q	2022-09-19 00:43:27 -07:00
David Harris	32028c437c	fdiv cleanup	2022-09-19 00:32:34 -07:00
David Harris	b7b082482f	Division working again for radix 2 with unified OTFC	2022-09-19 00:30:30 -07:00
David Harris	91194a9c3e	Unified on-the-fly conversion working for radix 2; broke radix-4 division	2022-09-19 00:04:00 -07:00
David Harris	9fb3382ec3	Added 2 bits to C to initialize properly	2022-09-18 22:44:22 -07:00
David Harris	33933dd6b0	Added 2 bits to C to initialize properly	2022-09-18 22:42:35 -07:00
David Harris	f65d941561	Reduced number of cycles required for lower-precision sqrt	2022-09-17 09:55:34 -07:00
David Harris	54ad15d595	Starting to adust number of cycles for division/sqrt	2022-09-17 05:58:59 -07:00
cturek	f07d4b3481	Fixed j1 to align with new C reg	2022-09-16 02:15:48 +00:00
David Harris	877cc63063	FDIVSQRT cleanup	2022-09-15 09:10:57 -07:00
cturek	5b35473339	Added shift for radix 4 sqrt	2022-09-14 17:34:24 +00:00
cturek	9757d8ce3e	Moved X-1 to preproc	2022-09-14 17:26:56 +00:00
cturek	8378d6b871	removed unnecessary XZero from wsmux	2022-09-14 16:59:52 +00:00
David Harris	2babf1fd7a	Removed unused signals	2022-09-12 11:35:35 -07:00
David Harris	1688d544b9	Moved C to shift before rather than after using in an iteration	2022-09-08 16:05:53 -07:00
David Harris	1c3064af08	divsqrt comment cleanup	2022-09-08 15:40:42 -07:00
David Harris	e0a9b19008	CSA-based completion detection	2022-09-08 14:58:08 -07:00
David Harris	f628622ea0	Factored out aplusbeq0 unit	2022-09-07 11:36:35 -07:00
David Harris	d91b4de348	Preprocessing cleanup	2022-09-07 10:21:27 -07:00
David Harris	29f41c6792	Continued simplifying fdivsqrt postprocessing	2022-09-07 07:02:22 -07:00
David Harris	461b9d370d	Continued simplifying fdivsqrt postprocessing	2022-09-07 07:00:13 -07:00
David Harris	825d3169d9	Moving postprocessing into postproc block	2022-09-07 06:42:37 -07:00
David Harris	f40c6b0ec4	fdivsqrtfsm cleanup	2022-09-07 06:32:07 -07:00
David Harris	a0abe48ad2	fdivsqrtfsm cleanup	2022-09-07 06:27:01 -07:00
David Harris	8438546d52	Fixed regression for divsqrt radix2	2022-09-07 06:12:23 -07:00
David Harris	648a3aae09	Initial radix 4 square root debuggin	2022-09-01 16:57:57 -07:00
David Harris	247ce70348	Fixed lint errors in square root and improved waveforms in testfloat	2022-09-01 15:49:13 -07:00
David Harris	8fad5073cd	fdiv debug	2022-08-31 14:26:31 -07:00
David Harris	e64f41f199	Checking in radix 4 square root with qsel, fgen, softc, but not working	2022-08-31 10:54:50 -07:00
David Harris	5956fbdd62	Fixed checking termination in testfloat testbench	2022-08-30 10:55:21 -07:00
David Harris	cb54e95285	commented out lines to have divider work again	2022-08-29 13:01:32 -07:00
David Harris	7b0e43bc10	Initial FDIVSQRT simplification working	2022-08-29 12:01:09 -07:00
David Harris	16cde5f87e	Simplify FSM	2022-08-29 04:32:27 -07:00
David Harris	6961e499dc	Renamed special case	2022-08-29 04:29:58 -07:00
David Harris	81ec1ac858	Separated out radix 2 and radix 4 stages into different modules	2022-08-29 04:26:14 -07:00
David Harris	b4cb9a678a	renamed srt to fdivsqrt	2022-08-29 04:04:05 -07:00
David Harris	8b2e368805	Only stall FPU to IEU on convert instructions with dependencies	2022-08-23 12:57:18 -07:00
David Harris	113258a0d0	Cleaned up fcvt selection control to IEU and FPUIllegalInst signals	2022-08-23 12:17:19 -07:00
David Harris	746842107b	Improved illegal instruction checking in FPU	2022-08-23 11:08:02 -07:00
David Harris	46f30d3dbe	Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main	2022-08-23 10:14:59 -07:00
David Harris	13831aa3d3	typo in srtfsm	2022-08-23 10:14:54 -07:00
Katherine Parry	f9aa94f87b	Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally	2022-08-23 16:36:32 +00:00
Katherine Parry	72a54ef621	renamed rounding bits to L,G,R,S and fixed lint warning	2022-08-23 16:36:20 +00:00
Ross Thompson	b0606a1699	Replaced FPU data replicaiton on WriteData bus with 0 extention.	2022-08-23 10:46:03 -05:00
David Harris	34eece10b8	Finished FPU-LSU interface cleanup	2022-08-22 13:43:04 -07:00
David Harris	fffad8b314	Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main	2022-08-22 13:28:54 -07:00
David Harris	2170203847	Simplified FPU-LSU interface to skip IEU	2022-08-22 13:28:51 -07:00
Katherine Parry	a1f0c6c598	Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally	2022-08-22 17:16:25 +00:00
Katherine Parry	1accb92745	sqrt passes - lint warnings remain	2022-08-22 17:16:12 +00:00