250 Commits

Author	SHA1	Message	Date
cturek	6fe35ee0e3	Attempt to fix FPGA synth errors	2022-11-15 20:34:28 +00:00
cturek	1c49d4a1c2	Fixed lint errors in postprocessing	2022-11-15 20:31:23 +00:00
cturek	0b2c8b9d46	Added majority of combinational logic	2022-11-14 00:06:38 +00:00
cturek	74f58b5d89	Added Quotient/Remainder calcs to normal termination	2022-11-13 23:44:34 +00:00
cturek	b3bfdbad18	Added flops for n and m, added B=0 signal	2022-11-13 23:02:43 +00:00
cturek	9c70ab917c	Added A<B signal to fdivsqrt, started postprocessing merge	2022-11-13 22:40:26 +00:00
David Harris	0ce3cc393a	Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main	2022-11-13 04:23:26 -08:00
David Harris	0502b8ea4d	Comments about division hazards	2022-11-13 04:17:37 -08:00
cturek	ff410cd849	Added integer step counter to fsm	2022-11-11 00:23:25 +00:00
cturek	e7c25f9562	Fixed asign and bsign	2022-11-09 18:41:26 +00:00
cturek	b137a95a35	propagated otfc swap to Rad2 and 4 qslc	2022-11-06 23:32:38 +00:00
cturek	1e927df1a0	Added conditional OTFC swap for simplified int postprocessing	2022-11-06 23:09:09 +00:00
cturek	56b7bb3590	Finished Int Preprocessinggit add ../src/fpu/fdivsqrt/fdivsqrtpreproc.sv	2022-11-06 22:40:21 +00:00
cturek	ee048325cb	Added n and rightshiftx	2022-11-06 22:31:48 +00:00
cturek	67f2cb0595	p calculation	2022-11-06 22:24:21 +00:00
cturek	7567f388c2	Changed lzc names, started int/fp size merge in preproc	2022-11-06 22:21:35 +00:00
cturek	333da5c945	Added n, p, and m signals between fdivsqrt submodules. Added w64 and mdue to divsqrt testbench.	2022-11-06 22:08:18 +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	39bf6a456e	renamed remOp to RemOp	2022-11-03 22:37:25 +00:00
cturek	890b26466f	Added rem/div operation to postprocessor	2022-11-02 17:49:40 +00:00
cturek	2a45787b37	Added buffered signals for int/fp	2022-10-28 21:47:24 +00:00
cturek	2ae0a9bb5d	Config Cleanup	2022-10-27 22:38:56 +00:00
cturek	51fc4de0e1	small signal cleanup	2022-10-26 18:42:49 +00:00
cturek	544c142c4f	abs for int inputs	2022-10-26 16:18:05 +00:00
cturek	e401d12889	Added signed division to fdivsqrt	2022-10-26 16:13:41 +00:00
cturek	94daa961b3	Started Integer Preprocessing	2022-10-25 17:48:43 +00:00
amaiuolo	a0712d1456	Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally	2022-10-13 22:36:57 +00:00
amaiuolo	000117fcd4	added amaiuolo@hmc.edu	2022-10-13 22:36:52 +00:00
David Harris	6092ca757a	New fdivsqrtqsel4cmp module based on comparators rather than table lookup	2022-10-09 04:47:44 -07:00
David Harris	dceb6f9034	Moved shift into divsqrt stage and cleaned up comments	2022-10-09 04:45:45 -07:00
David Harris	55e4911cf0	fdivsqrt code cleanup	2022-10-09 03:37:27 -07:00
David Harris	fc4146f409	Adding start signals for integer divider to fdivsqrt	2022-09-29 16:30:25 -07:00
cturek	c72e2e5d49	Added integer inputs and flags to divsqrt	2022-09-29 23:08:27 +00:00
David Harris	cfa83fdd98	For radix 4 division, fixed initial C and then could remove unexplained shift from divshiftcalc	2022-09-21 13:30:35 -07:00
David Harris	f08d5b23d5	Eliminated store after store stall when no cache; simplified divshiftcalc logic.	2022-09-21 13:02:34 -07:00
David Harris	1c8581dd6d	Simplified shipping in divshiftcalc; enhanced testbench-fp to be able to run all 32-bit tests generated by sqrttest	2022-09-21 10:35:08 -07:00
David Harris	f87e15388a	commented SpecialCase	2022-09-21 05:02:08 -07:00
David Harris	b21e36a788	Added SpecialCaseReg to hold SpecialCase for fdivsqrtpostproc	2022-09-21 04:55:43 -07:00
David Harris	437fd52bf6	Gated sticky bit in fdiv with SpecialCase	2022-09-20 20:05:00 -07:00
David Harris	9c8edb9cb6	renamed u to udigit to avoid conflict with U	2022-09-20 19:29:23 -07:00
cturek	e8f2715a81	Fixed R4 Sqrt overshifting	2022-09-21 00:05:36 +00:00
cturek	49a1259cf9	Fixed fgen4	2022-09-20 20:00:01 +00:00
David Harris	811f498f63	renamed q to u for unified digit selection	2022-09-20 04:35:14 -07:00
David Harris	705a2bd97b	Removed D2 and D2b from radix2 stage	2022-09-20 04:20:38 -07:00
David Harris	c77ec2aa9c	Simplified UM initialization	2022-09-20 04:18:12 -07:00
David Harris	956011b40b	fdivsqrtfgen4 comments	2022-09-20 04:13:21 -07:00
David Harris	8d1408a9d6	Moved fpu modules into subdirectories	2022-09-20 04:12:05 -07:00
David Harris	0af8151c2a	Partitioned fdivsqrt into one module per file and added file names to opening comments	2022-09-20 03:57:57 -07:00
David Harris	5b13140078	Simplified fdivsqrtpostproc QmM logic	2022-09-20 03:30:18 -07:00
David Harris	8647de5ee4	make QmM size b+1 indpenedent of radix	2022-09-20 03:25:09 -07:00