Commit Graph

217 Commits

Author SHA1 Message Date
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
David Harris
d6f1453275 Cleaned up otfc4 2022-09-19 00:58:20 -07:00
David Harris
309995a6e9 OTFC simplification 2022-09-19 00:51:56 -07:00
David Harris
59b6346a28 Removed unused otfc for Q 2022-09-19 00:43:27 -07:00
David Harris
e764d4322c fdiv cleanup 2022-09-19 00:32:34 -07:00
David Harris
cf0c20d489 Division working again for radix 2 with unified OTFC 2022-09-19 00:30:30 -07:00
David Harris
b636072914 Unified on-the-fly conversion working for radix 2; broke radix-4 division 2022-09-19 00:04:00 -07:00
David Harris
4dbe1035cb Added 2 bits to C to initialize properly 2022-09-18 22:44:22 -07:00
David Harris
f202eb0f6f Added 2 bits to C to initialize properly 2022-09-18 22:42:35 -07:00
David Harris
b74a68ff0f Reduced number of cycles required for lower-precision sqrt 2022-09-17 09:55:34 -07:00
David Harris
ac78823f6c Starting to adust number of cycles for division/sqrt 2022-09-17 05:58:59 -07:00
cturek
79addec27a Fixed j1 to align with new C reg 2022-09-16 02:15:48 +00:00
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