343 Commits

Author	SHA1	Message	Date
Cedar Turek	71cdc287aa	added mux to intdiv result	2022-12-30 18:06:35 -08:00
Cedar Turek	e41273e59c	removed unnecessary mdue gating	2022-12-30 17:53:06 -08:00
Cedar Turek	83a3c72d8d	took out broken muxes	2022-12-30 15:13:52 -08:00
Cedar Turek	013527d389	various cleanup	2022-12-30 14:31:23 -08:00
Cedar Turek	1f0e713879	Code cleanup	2022-12-30 14:13:33 -08:00
Cedar Turek	33ca4d1c9a	commented complicated step/right shift calc	2022-12-30 12:03:10 -08:00
Cedar Turek	d7fc7c93f3	comment cleaning	2022-12-30 11:11:34 -08:00
Cedar Turek	320b1a7a89	Described internal signals of fdivsqrt top	2022-12-30 11:01:02 -08:00
Cedar Turek	dd78eb6484	Commented fdivsqrt module	2022-12-30 10:52:25 -08:00
Cedar Turek	d19192144b	Begin commenting divsqrt	2022-12-30 10:43:02 -08:00
Katherine Parry	668c698bb4	removed ethe second bit from fma alignment shift	2022-12-30 12:07:44 -06:00
Katherine Parry	8150305919	Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main	2022-12-30 09:56:35 -06:00
David Harris	919525ca17	continued simplifying integer division special cases	2022-12-30 07:40:28 -08:00
David Harris	1006305d75	started simplifying integer division special cases	2022-12-30 07:34:26 -08:00
David Harris	6ae25537ea	removed duplicate quotient mux	2022-12-30 07:17:38 -08:00
David Harris	1e65bfd058	simplified sign handling mux	2022-12-30 07:10:47 -08:00
David Harris	2c6c3e799d	Clean up sqrt preproc	2022-12-30 07:00:48 -08:00
David Harris	27588af00e	Clean up sqrt initialization mux	2022-12-30 06:55:20 -08:00
David Harris	802c440254	Reduced size of preproc right shift	2022-12-30 06:47:40 -08:00
David Harris	d2273e7037	fdivsqrtpreproc shift simplification	2022-12-30 06:45:51 -08:00
David Harris	18f19ce44d	fdiv cleanup, reduce number of rv32f fma_b15 tests being run to speed up regression	2022-12-30 06:40:25 -08:00
David Harris	0ecbb45b78	Fixed register timing failure on SpecialCaseM in fdivsqrt	2022-12-29 21:09:23 -08:00
Katherine Parry	e5a76817df	minor optimizations and renaming	2022-12-29 15:54:17 -06:00
Katherine Parry	a8021d7571	Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main	2022-12-29 12:37:51 -06:00
David Harris	963185fb22	Clean up names and comments in divsqrt	2022-12-29 08:02:44 -08:00
David Harris	103c4b8324	Factored out hardware unique to RV64 and to IDIV	2022-12-29 07:36:26 -08:00
Katherine Parry	b469831b53	one bitt removed from inital lignment shift	2022-12-28 17:46:53 -06:00
David Harris	a9d7aa568a	fdivsqrtfsm conditional on IDIV (fixed typo)	2022-12-27 22:16:48 -08:00
David Harris	5b7e814670	fdivsqrtfsm conditional on IDIV	2022-12-27 22:15:45 -08:00
David Harris	4648fbee76	fdivsqrtfsm conditional on IDIV	2022-12-27 22:14:09 -08:00
Cedar Turek	42d2ca1556	idiv passing radix 2, four copies	2022-12-27 22:11:18 -08:00
David Harris	f16a15e66f	Moved IDIV in fdivsqrtfms into generate block	2022-12-27 22:04:50 -08:00
David Harris	3975fd5ed8	Moved IDIV for postproc into generate block	2022-12-27 22:02:14 -08:00
David Harris	62c01d865a	Moved IDIV_ON_FP into conditional block in fdivsqrtpreproc	2022-12-27 21:53:00 -08:00
Cedar Turek	00073155c5	Fixed cycles for multiple iterations. 2-copies radix 2 passing regression.	2022-12-27 21:34:27 -08:00
David Harris	d6aad0f3c3	Fixed floating Sqrt signal when floating point is disabled, causing REMU tohang during buildroot around 3.2M	2022-12-27 21:24:38 -08:00
David Harris	20787964c9	Renamed muldiv to mdu	2022-12-27 19:57:10 -08:00
David Harris	9544051c1e	Removed MDUE from unnecessary places in fdivsqrt	2022-12-27 10:42:40 -08:00
David Harris	c903f8b8b2	fdiv typo	2022-12-27 10:30:42 -08:00
David Harris	ed26850439	Made SqrtE only true on square root so gating with ~MDUE can be removed)	2022-12-27 10:27:07 -08:00
David Harris	f5cc23cae9	Check for non-negative W in int sign handling	2022-12-27 06:35:17 -08:00
Cedar Turek	d41b07aa85	fpu idiv working on all configs with 1 copy of radix 2!	2022-12-26 23:18:28 -08:00
Cedar Turek	21b2ea9666	fpu passing idiv tests on rv32gc 1 copy of radix 2!	2022-12-26 21:47:56 -08:00
Cedar Turek	6977b7ceac	took out otfc swap. updated postprocessing quotient/remainder logic for int div.	2022-12-26 21:03:56 -08:00
David Harris	add381a09e	Fixed early termination for square root	2022-12-26 08:54:57 -08:00
David Harris	71f214df20	Moved fdivsqrtexpcalc to its own file	2022-12-26 08:45:43 -08:00
David Harris	3eafd2cca1	Removed unused DivSE from FPU	2022-12-26 07:29:19 -08:00
cturek	ba3aca413c	Added A Sign register. Fixed postprocessing logic for postinc and rem calculation.	2022-12-24 06:46:52 +00:00
Ross Thompson	424012ce97	Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main	2022-12-23 19:51:23 -06:00
Katherine Parry	66510f38af	reworked negitive sticky bit handeling in fma	2022-12-23 17:01:34 -06:00