179 Commits

Author	SHA1	Message	Date
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
David Harris	2a1bd53663	Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main	2022-08-23 10:14:59 -07:00
David Harris	029aecabf7	typo in srtfsm	2022-08-23 10:14:54 -07:00
Katherine Parry	fe0c6afe58	Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally	2022-08-23 16:36:32 +00:00
Katherine Parry	4e33ead413	renamed rounding bits to L,G,R,S and fixed lint warning	2022-08-23 16:36:20 +00:00
Ross Thompson	5efec3b1f3	Replaced FPU data replicaiton on WriteData bus with 0 extention.	2022-08-23 10:46:03 -05:00
David Harris	0e489443f2	Finished FPU-LSU interface cleanup	2022-08-22 13:43:04 -07:00
David Harris	774cddf33c	Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main	2022-08-22 13:28:54 -07:00
David Harris	d556adde16	Simplified FPU-LSU interface to skip IEU	2022-08-22 13:28:51 -07:00
Katherine Parry	a9be193a35	Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally	2022-08-22 17:16:25 +00:00
Katherine Parry	36be692c0b	sqrt passes - lint warnings remain	2022-08-22 17:16:12 +00:00
David Harris	bdfc49f847	moved CSA to generic	2022-08-22 08:41:23 +00:00
Katherine Parry	a191603a1a	fixed -1 issue in division	2022-08-20 00:53:45 +00:00
Katherine Parry	9549c23f45	sqrt tests in regression uncommented and pass	2022-08-07 23:38:10 +00:00
Katherine Parry	cb0c1b7488	radix-2 1 copy passes testfloat	2022-08-06 22:54:05 +00:00
Katherine Parry	de6ae471bc	fixed fsw problem and removed 2 bit shift from shift correction	2022-08-03 22:16:51 +00:00
David Harris	e70b28f7f6	FMA cleanup	2022-08-02 07:42:32 -07:00
David Harris	887e4c73fb	Moved InvA to sign block; simplified fmaexpadd coding	2022-08-02 07:34:09 -07:00
David Harris	06c4f18cd1	merged lza back into main	2022-08-01 19:45:21 -07:00
David Harris	8147f75399	Fixed fmaadd to work with new LZA	2022-08-01 19:40:55 -07:00
David Harris	7e4b04ff64	Parameterized fmalza	2022-08-01 16:18:02 -07:00