199 Commits

Author	SHA1	Message	Date
David Harris	211705eca2	clean up divshiftcalc	2022-09-20 03:17:29 -07:00
David Harris	d3b2a192eb	clean up divshiftcalc	2022-09-20 03:13:11 -07:00
David Harris	f5083803c2	clean up divshiftcalc	2022-09-20 03:08:25 -07:00
David Harris	2faa0d14be	Cleaning up divshiftcalc LOGNORMSHIFTSZ	2022-09-20 02:35:01 -07:00
cturek	019a6eb9f5	Radix 4 sqrt passing first two tests	2022-09-19 21:26:32 +00:00
David Harris	8e90862dad	Removed EarlyTermShift from fdiv	2022-09-19 08:44:23 -07:00
David Harris	73ceb4590c	Finished unified divsqrt otfc and fgen name changes	2022-09-19 08:30:59 -07:00
David Harris	3cf6becaf4	fdivsqrtiter simplification	2022-09-19 01:08:01 -07:00
David Harris	e840edc4e6	Reduced number of cycles needed for division	2022-09-19 01:02:04 -07:00
David Harris	d6f1453275	Cleaned up otfc4	2022-09-19 00:58:20 -07:00
David Harris	309995a6e9	OTFC simplification	2022-09-19 00:51:56 -07:00
David Harris	59b6346a28	Removed unused otfc for Q	2022-09-19 00:43:27 -07:00
David Harris	e764d4322c	fdiv cleanup	2022-09-19 00:32:34 -07:00
David Harris	cf0c20d489	Division working again for radix 2 with unified OTFC	2022-09-19 00:30:30 -07:00
David Harris	b636072914	Unified on-the-fly conversion working for radix 2; broke radix-4 division	2022-09-19 00:04:00 -07:00
David Harris	4dbe1035cb	Added 2 bits to C to initialize properly	2022-09-18 22:44:22 -07:00
David Harris	f202eb0f6f	Added 2 bits to C to initialize properly	2022-09-18 22:42:35 -07:00
David Harris	b74a68ff0f	Reduced number of cycles required for lower-precision sqrt	2022-09-17 09:55:34 -07:00
David Harris	ac78823f6c	Starting to adust number of cycles for division/sqrt	2022-09-17 05:58:59 -07:00
cturek	79addec27a	Fixed j1 to align with new C reg	2022-09-16 02:15:48 +00:00
David Harris	29d9ded25c	FDIVSQRT cleanup	2022-09-15 09:10:57 -07:00
cturek	da67e02392	Added shift for radix 4 sqrt	2022-09-14 17:34:24 +00:00
cturek	47d02db2eb	Moved X-1 to preproc	2022-09-14 17:26:56 +00:00
cturek	4f3baea0fc	removed unnecessary XZero from wsmux	2022-09-14 16:59:52 +00:00
David Harris	1495305045	Removed unused signals	2022-09-12 11:35:35 -07:00
David Harris	7639c05e51	Moved C to shift before rather than after using in an iteration	2022-09-08 16:05:53 -07:00
David Harris	7ba9b0b349	divsqrt comment cleanup	2022-09-08 15:40:42 -07:00
David Harris	5ea82cff33	CSA-based completion detection	2022-09-08 14:58:08 -07:00
David Harris	2d5e7827df	Factored out aplusbeq0 unit	2022-09-07 11:36:35 -07:00
David Harris	838d98cf4b	Preprocessing cleanup	2022-09-07 10:21:27 -07:00
David Harris	c8e0ea067e	Continued simplifying fdivsqrt postprocessing	2022-09-07 07:02:22 -07:00
David Harris	b0ff3a0952	Continued simplifying fdivsqrt postprocessing	2022-09-07 07:00:13 -07:00
David Harris	9e7926e8d7	Moving postprocessing into postproc block	2022-09-07 06:42:37 -07:00
David Harris	c39e71f168	fdivsqrtfsm cleanup	2022-09-07 06:32:07 -07:00
David Harris	027b303b20	fdivsqrtfsm cleanup	2022-09-07 06:27:01 -07:00
David Harris	19e449b83d	Fixed regression for divsqrt radix2	2022-09-07 06:12:23 -07:00
David Harris	41448663b9	Initial radix 4 square root debuggin	2022-09-01 16:57:57 -07:00
David Harris	5e26bcced1	Fixed lint errors in square root and improved waveforms in testfloat	2022-09-01 15:49:13 -07:00
David Harris	199296dd03	fdiv debug	2022-08-31 14:26:31 -07:00
David Harris	09456db445	Checking in radix 4 square root with qsel, fgen, softc, but not working	2022-08-31 10:54:50 -07:00
David Harris	e1760dde55	Fixed checking termination in testfloat testbench	2022-08-30 10:55:21 -07:00
David Harris	28db4fdc70	commented out lines to have divider work again	2022-08-29 13:01:32 -07:00
David Harris	a6efbb3fda	Initial FDIVSQRT simplification working	2022-08-29 12:01:09 -07:00
David Harris	a82cf3d0ba	Simplify FSM	2022-08-29 04:32:27 -07:00
David Harris	7856f08e1d	Renamed special case	2022-08-29 04:29:58 -07:00
David Harris	7d4e85bf21	Separated out radix 2 and radix 4 stages into different modules	2022-08-29 04:26:14 -07:00
David Harris	2788022c22	renamed srt to fdivsqrt	2022-08-29 04:04:05 -07:00
David Harris	d72068d582	Only stall FPU to IEU on convert instructions with dependencies	2022-08-23 12:57:18 -07:00
David Harris	05aa18fe14	Cleaned up fcvt selection control to IEU and FPUIllegalInst signals	2022-08-23 12:17:19 -07:00
David Harris	f72d07adce	Improved illegal instruction checking in FPU	2022-08-23 11:08:02 -07:00