205 Commits

Author	SHA1	Message	Date
David Harris	175c18da01	Parameterized FMA. However, some offsets are not parameterized. See PR #793 for list of changes	2024-05-13 15:16:00 -07:00
David Harris	2dfada0687	Started parameterizing FMA	2024-05-13 14:01:36 -07:00
David Harris	c2b9e326ca	Fround cleanup	2024-05-13 13:27:29 -07:00
David Harris	e87a269f59	Fix fcvt.lu.s bug and lint issue in packoutput	2024-05-12 11:31:27 -07:00
David Harris	380d88fc68	Merged config-shared after fma fix	2024-05-12 11:10:55 -07:00
David Harris	009d251433	Fixed cvtint bug by adding 2 bits to convert width; initial implementation of fround passes basic regression but fails some nightly regression cases	2024-05-11 22:32:51 -07:00
Katherine Parry	807ef44772	fixed fma testfloat issue #578	2024-05-10 18:12:11 -07:00
David Harris	fcd75fd6b6	Fixed shiftcorrection typo causing failure on testfloat fcvt tests	2024-05-07 14:27:44 -07:00
David Harris	7695ad4755	More fround stub code to keep VCS happy	2024-04-28 22:21:51 -07:00
David Harris	32b6e6a8ab	fround progress	2024-04-24 04:42:47 -07:00
David Harris	03f49dea3f	regression printing improvements	2024-04-21 19:45:09 -07:00
David Harris	3f195884e9	Defined bit sizes more precisely to help VCS lint and conform to coding style	2024-04-21 08:40:11 -07:00
David Harris	db330b35b2	Removed unnecessary muxes from shiftcorrection; changed flag to --nightly in lint-wally	2024-04-16 20:57:49 -07:00
David Harris	499e4d6a6e	Changed 2 to 1 in FmaPreResultSubnorm logic, fixing issue 655 about multiply on f/fh. Not entirely confident this is the right change, but can't find any failures. See https://docs.google.com/document/d/1p7zb4Vvd1LMBLRgEpXjHyp7etCaFaiBVrBZJM8jediE/edit	2024-04-03 17:28:31 -07:00
Kunlin Han	22b59138f0	Remove all #delay from non-testbench.	2024-03-16 11:20:32 -07:00
Jordan Carlin	cbd61d008f	fix size of CVTLEN to support fcvtmod.w.d; add max macro to config-shared.vh	2024-03-14 14:07:15 -07:00
Kunlin Han	8c67a76912	Remove all #delay from non-testbench.	2024-03-13 10:31:40 -07:00
David Harris	eb87a4a5c3	UM comments in fdivsqrtotfc	2024-03-06 15:53:14 -08:00
David Harris	2c6588d4ae	Timinig optimization for radix 4 division, added missing derived config	2024-03-06 15:05:04 -08:00
David Harris	b386331cc8	Changed '0 to 0 where possible per Chapter 4 style guidelines	2024-03-06 05:48:17 -08:00
David Harris	dd33479056	Switched to ?: for gating per section 4.2.4.3	2024-03-06 04:59:58 -08:00
David Harris	1a0097f6e7	Further fdivsqrt simplification after starting Sqrt at iteration 0	2024-03-04 16:40:49 -08:00
Kevin Kim	10ab07975f	uslc comments	2024-03-04 14:31:21 -08:00
Kevin Kim	9b87a00698	sqrt mux lint fixes	2024-03-04 14:31:07 -08:00
Kevin Kim	587fdbdf8e	removed j1,j0 from iteration and put inside divider stage	2024-03-04 14:30:05 -08:00
Kevin Kim	7dec9cdf21	optimization in uslc	2024-03-04 10:46:16 -08:00
Kevin Kim	9c95cba865	remove sqrt cycle muxing	2024-03-03 18:51:10 -08:00
Kevin Kim	0ff59ff157	remove redundant mux	2024-03-03 13:00:20 -08:00
Kevin Kim	c32173f163	changed U/C initialization to account for integer bit generation on divider stage for sqrt. Quick and dirty j1 logic fix	2024-03-03 10:30:18 -08:00
Kevin Kim	6c24afaf98	changed cycle count to account for integer bit generation for sqrt	2024-03-03 10:29:32 -08:00
Kevin Kim	c45d67f8ba	fdivsqrt changes	2024-03-02 20:29:03 -08:00
Kevin Kim	77ccc7b319	removed square root pre-process muxes	2024-03-02 15:55:34 -08:00
David Harris	9ba35991e3	Finished FPU coverage	2024-02-15 20:01:28 -08:00
David Harris	36259b4e16	Removed unused term affecting cvt coverage	2024-02-15 17:46:05 -08:00
David Harris	944e33dcd6	Fixed spelling of operation in FPU	2024-02-15 17:22:32 -08:00
David Harris	c664c9717d	Commented fcvtmod behavior in specialcase	2024-02-15 17:19:21 -08:00
Kevin Kim	15da037794	added back comment	2024-02-07 15:40:52 -08:00
Kevin Kim	61c8b4d269	shift correction fix	2024-02-07 15:04:19 -08:00
David Harris	e7364290e3	Restored instead of in testbench because prevents coverage analysis. Improved FPU coverage	2024-02-07 06:27:53 -08:00
David Harris	5d8d82414b	Coverage improvements	2024-02-04 11:40:38 -08:00
harshinisrinath	c7b647bde7	Wrote exclusions for ifu and lsu peripherals which were always supported	2024-02-01 17:12:33 -08:00
David Harris	1c62c5e433	Fixed logic to work with FLEN < XLEN	2024-01-31 20:24:16 -08:00
David Harris	0abfe5cb55	Fixed some lint errors in derived configs	2024-01-31 11:39:59 -08:00
David Harris	06778088ab	Merge pull request #603 from stineje/main ... Update cvt bug that was caught with new testbench-fp	2024-01-30 08:52:01 -08:00
James E. Stine	7e036e6f75	Update cvt bug that was caught with new testbench-fp	2024-01-30 10:51:07 -06:00
David Harris	3db5b6d9a9	Fix FLI to support quads	2024-01-29 14:51:21 -08:00
David Harris	45e2317636	Added Wally github address to header comments	2024-01-29 05:38:11 -08:00
David Harris	2449e06e55	Fixed FPU coverage, solved Issue 596 by misaligned AMO throwing access fault when misaligned non-amo are supported	2024-01-25 21:03:41 -08:00
David Harris	17f579d4ba	Reenabled fmadd.h, which is really supported by Zfh	2024-01-24 07:46:50 -08:00
Rose Thompson	117ff1828a	Merge pull request #590 from openhwgroup/revert-589-shiftcorrectiondebug ... Revert "more shiftcorrection bug fixes"	2024-01-23 16:05:30 -06:00