63 Commits

Author	SHA1	Message	Date
David Harris	e87c2b2724	Started adding bit manipulation unit	2023-01-20 14:19:07 -08:00
David Harris	446b5fa83f	Division constant cleanup	2023-01-10 11:14:59 -08:00
David Harris	b2ec52c94d	Changed DIVN from NF+3 to NF+2, cleanup	2023-01-09 13:04:34 -08:00
David Harris	c260354817	Removed unused UARCH configuration entries	2023-01-06 05:11:14 -08:00
David Harris	f8af51e07b	Handle special case Int Div/Rem of |A| < |B| in a single cycle	2023-01-01 13:54:01 -08:00
David Harris	7c7d40ad63	Broken commit starting to address radix 2 issues	2022-12-31 06:19:15 -08:00
David Harris	50af122909	Moved shared config so wally-shared only has values a user would alter	2022-12-31 05:51:42 -08:00
David Harris	6832b9d9f6	config file, comment, postproc cleanup	2022-12-31 05:20:56 -08:00
Cedar Turek	0836d4d4f0	removed unnecessary values from shared config. unbroke division	2022-12-30 21:26:55 -08:00
Katherine Parry	aca6f0d4e6	removed ethe second bit from fma alignment shift	2022-12-30 12:07:44 -06:00
Katherine Parry	5844a596a3	Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main	2022-12-30 09:56:35 -06:00
David Harris	ba976d66e4	Radix 4 divsqrt	2022-12-30 07:01:44 -08:00
Katherine Parry	1b4fa38510	one bitt removed from inital lignment shift	2022-12-28 17:46:53 -06:00
Cedar Turek	4ed2c6255c	idiv passing radix 2, four copies	2022-12-27 22:10:48 -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
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	9c70ab917c	Added A<B signal to fdivsqrt, started postprocessing merge	2022-11-13 22:40:26 +00:00
cturek	1e927df1a0	Added conditional OTFC swap for simplified int postprocessing	2022-11-06 23:09:09 +00:00
cturek	7567f388c2	Changed lzc names, started int/fp size merge in preproc	2022-11-06 22:21:35 +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	2ae0a9bb5d	Config Cleanup	2022-10-27 22:38:56 +00:00
cturek	a8a89f8dfc	unbroke DIVb	2022-10-26 16:11:51 +00:00
cturek	8475de128b	Config cleanup	2022-10-25 21:04:09 +00:00
David Harris	e4c5754b3a	Made simple RV64 configuration be RV64i. Eliminated rv64ic and rv64fp. Fixed some bugs related to new width	2022-10-10 09:10:55 -07:00
David Harris	437fd52bf6	Gated sticky bit in fdiv with SpecialCase	2022-09-20 20:05:00 -07:00
David Harris	cf5c513221	Restored radix 2 to pass regression	2022-09-20 19:30:16 -07:00
cturek	49a1259cf9	Fixed fgen4	2022-09-20 20:00:01 +00:00
David Harris	33af1f97f7	Define LOGNORMSHIFTSZ	2022-09-20 08:31:57 -07:00
David Harris	a36747fda0	Finished unified divsqrt otfc and fgen name changes	2022-09-19 08:30:59 -07:00
David Harris	1187187a5c	Divide testfloat starts with half-precision tests	2022-09-18 06:46:47 -07:00
David Harris	8438546d52	Fixed regression for divsqrt radix2	2022-09-07 06:12:23 -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
Katherine Parry	1accb92745	sqrt passes - lint warnings remain	2022-08-22 17:16:12 +00:00
Katherine Parry	8eeca3319c	radix-2 1 copy passes testfloat	2022-08-06 22:54:05 +00:00
Katherine Parry	8f1d8669b0	fixed fsw problem and removed 2 bit shift from shift correction	2022-08-03 22:16:51 +00:00
Katherine Parry	ee7932c804	divider sizes reworked to match book	2022-07-22 22:02:04 +00:00
Katherine Parry	270216dd02	radix-4 division integrated into srt - not tested	2022-07-21 19:38:06 +00:00
Katherine Parry	e251022269	merged floating-point radix-2 divider with radix-4	2022-07-15 20:16:59 +00:00
cturek	38bbd19abf	Six tests passing and a bunch of sizizing issues fixed	2022-07-14 19:38:27 +00:00
Katherine Parry	b069cfbec2	fixed error in divsqrt	2022-07-14 18:16:00 +00:00
cturek	7629173b15	DIVLEN and counter updated for sqrt computation and rounding	2022-07-13 22:42:39 +00:00
cturek	d57fb6f98a	radix 4 files removed from srt and divlen modified for sqrt	2022-07-13 19:46:48 +00:00
Katherine Parry	e05b2a07d2	removed warnings and took a mux out of the critical path	2022-07-12 18:32:17 -07:00
Katherine Parry	b728e5054d	variable interations implemented in radix-4 divider	2022-07-11 18:30:21 -07:00
Katherine Parry	08769e35ae	modified wally shared	2022-07-07 21:59:43 +00:00
David Harris	88e3233935	Preliminary SRAM integration	2022-07-07 19:56:20 +00:00
cturek	3a40c68549	Updated radix 2 divider to work with integers and floats in new structure. Integers still might not work.	2022-06-27 23:55:21 +00:00
Katherine Parry	06f7f9b147	fixed commented out error and removed killprod from result selection	2022-06-25 01:42:23 +00:00
Katherine Parry	4a6dee5926	Testfloat running division - not passing	2022-06-23 00:07:34 +00:00