240 Commits

Author	SHA1	Message	Date
cturek	d571b5f9a5	propagated otfc swap to Rad2 and 4 qslc	2022-11-06 23:32:38 +00:00
cturek	54f09f3616	Added conditional OTFC swap for simplified int postprocessing	2022-11-06 23:09:09 +00:00
cturek	c3e635c788	Finished Int Preprocessinggit add ../src/fpu/fdivsqrt/fdivsqrtpreproc.sv	2022-11-06 22:40:21 +00:00
cturek	a49ea2a16d	Added n and rightshiftx	2022-11-06 22:31:48 +00:00
cturek	350d4d254f	p calculation	2022-11-06 22:24:21 +00:00
cturek	83051a5351	Changed lzc names, started int/fp size merge in preproc	2022-11-06 22:21:35 +00:00
cturek	2cbe2fd70b	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	6bc4c1318e	Added new macros for int div preprocessing, added p, n, and rightshiftx logic	2022-11-06 21:53:48 +00:00
cturek	06a9305766	renamed remOp to RemOp	2022-11-03 22:37:25 +00:00
cturek	e37f564e84	Added rem/div operation to postprocessor	2022-11-02 17:49:40 +00:00
cturek	e8d7607e87	Added buffered signals for int/fp	2022-10-28 21:47:24 +00:00
cturek	9f41e57f03	Config Cleanup	2022-10-27 22:38:56 +00:00
cturek	7301fc7f18	small signal cleanup	2022-10-26 18:42:49 +00:00
cturek	6caf7bb7e2	abs for int inputs	2022-10-26 16:18:05 +00:00
cturek	ec4646b412	Added signed division to fdivsqrt	2022-10-26 16:13:41 +00:00
cturek	ff7d6b2932	Started Integer Preprocessing	2022-10-25 17:48:43 +00:00
amaiuolo	56455bb9ad	Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally	2022-10-13 22:36:57 +00:00
amaiuolo	1ae48e0edc	added amaiuolo@hmc.edu	2022-10-13 22:36:52 +00:00
David Harris	04dc0ac02c	New fdivsqrtqsel4cmp module based on comparators rather than table lookup	2022-10-09 04:47:44 -07:00
David Harris	4f312ea2e7	Moved shift into divsqrt stage and cleaned up comments	2022-10-09 04:45:45 -07:00
David Harris	2aa43848f5	fdivsqrt code cleanup	2022-10-09 03:37:27 -07:00
David Harris	657f16dfd1	Adding start signals for integer divider to fdivsqrt	2022-09-29 16:30:25 -07:00
cturek	e8a869e0e7	Added integer inputs and flags to divsqrt	2022-09-29 23:08:27 +00:00
David Harris	d6297a2f2e	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	46680b80a7	Eliminated store after store stall when no cache; simplified divshiftcalc logic.	2022-09-21 13:02:34 -07:00
David Harris	cb4c3ff1ce	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	129b9343fe	commented SpecialCase	2022-09-21 05:02:08 -07:00
David Harris	5e1932c649	Added SpecialCaseReg to hold SpecialCase for fdivsqrtpostproc	2022-09-21 04:55:43 -07:00
David Harris	f7d272c315	Gated sticky bit in fdiv with SpecialCase	2022-09-20 20:05:00 -07:00
David Harris	3b98881c4e	renamed u to udigit to avoid conflict with U	2022-09-20 19:29:23 -07:00
cturek	6e300a667e	Fixed R4 Sqrt overshifting	2022-09-21 00:05:36 +00:00
cturek	c3c764f0ba	Fixed fgen4	2022-09-20 20:00:01 +00:00
David Harris	00c15ec472	renamed q to u for unified digit selection	2022-09-20 04:35:14 -07:00
David Harris	d01588d693	Removed D2 and D2b from radix2 stage	2022-09-20 04:20:38 -07:00
David Harris	2ea7df1b6d	Simplified UM initialization	2022-09-20 04:18:12 -07:00
David Harris	0d5e80a4f0	fdivsqrtfgen4 comments	2022-09-20 04:13:21 -07:00
David Harris	653c458241	Moved fpu modules into subdirectories	2022-09-20 04:12:05 -07:00
David Harris	0ec1886b89	Partitioned fdivsqrt into one module per file and added file names to opening comments	2022-09-20 03:57:57 -07:00
David Harris	a05b6486b1	Simplified fdivsqrtpostproc QmM logic	2022-09-20 03:30:18 -07:00
David Harris	87cde2c427	make QmM size b+1 indpenedent of radix	2022-09-20 03:25:09 -07:00
David Harris	e455f41b97	clean up divshiftcalc	2022-09-20 03:19:50 -07:00
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