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6092ca757a
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222 Commits

Author SHA1 Message Date
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
David Harris
31c3b62774 clean up divshiftcalc 2022-09-20 03:19:50 -07:00
David Harris
7177745111 clean up divshiftcalc 2022-09-20 03:17:29 -07:00
David Harris
b48bbc4294 clean up divshiftcalc 2022-09-20 03:13:11 -07:00
David Harris
010c88816b clean up divshiftcalc 2022-09-20 03:08:25 -07:00
David Harris
712f1d8d3a Cleaning up divshiftcalc LOGNORMSHIFTSZ 2022-09-20 02:35:01 -07:00
cturek
85b3e9bfe6 Radix 4 sqrt passing first two tests 2022-09-19 21:26:32 +00:00
David Harris
1e6bd26bb6 Removed EarlyTermShift from fdiv 2022-09-19 08:44:23 -07:00
David Harris
a36747fda0 Finished unified divsqrt otfc and fgen name changes 2022-09-19 08:30:59 -07:00
David Harris
34bd82e4a3 fdivsqrtiter simplification 2022-09-19 01:08:01 -07:00
David Harris
b19c37eb0f Reduced number of cycles needed for division 2022-09-19 01:02:04 -07:00
David Harris
7826cf0bcb Cleaned up otfc4 2022-09-19 00:58:20 -07:00
David Harris
6bab8f0e3f OTFC simplification 2022-09-19 00:51:56 -07:00
David Harris
362056f53d Removed unused otfc for Q 2022-09-19 00:43:27 -07:00
David Harris
32028c437c fdiv cleanup 2022-09-19 00:32:34 -07:00
David Harris
b7b082482f Division working again for radix 2 with unified OTFC 2022-09-19 00:30:30 -07:00
David Harris
91194a9c3e Unified on-the-fly conversion working for radix 2; broke radix-4 division 2022-09-19 00:04:00 -07:00
David Harris
9fb3382ec3 Added 2 bits to C to initialize properly 2022-09-18 22:44:22 -07:00
David Harris
33933dd6b0 Added 2 bits to C to initialize properly 2022-09-18 22:42:35 -07:00
David Harris
f65d941561 Reduced number of cycles required for lower-precision sqrt 2022-09-17 09:55:34 -07:00
David Harris
54ad15d595 Starting to adust number of cycles for division/sqrt 2022-09-17 05:58:59 -07:00
cturek
f07d4b3481 Fixed j1 to align with new C reg 2022-09-16 02:15:48 +00:00
David Harris
877cc63063 FDIVSQRT cleanup 2022-09-15 09:10:57 -07:00
cturek
5b35473339 Added shift for radix 4 sqrt 2022-09-14 17:34:24 +00:00
cturek
9757d8ce3e Moved X-1 to preproc 2022-09-14 17:26:56 +00:00
cturek
8378d6b871 removed unnecessary XZero from wsmux 2022-09-14 16:59:52 +00:00
David Harris
2babf1fd7a Removed unused signals 2022-09-12 11:35:35 -07:00
David Harris
1688d544b9 Moved C to shift before rather than after using in an iteration 2022-09-08 16:05:53 -07:00
David Harris
1c3064af08 divsqrt comment cleanup 2022-09-08 15:40:42 -07:00