Commit Graph

134 Commits

Author SHA1 Message Date
Katherine Parry
1bcb1725f5 renamed alot of signals in fpu 2023-01-06 10:35:23 -06:00
David Harris
43f45c62a6 Made Q4.k interface to fgen2/4 consistent 2023-01-01 15:06:32 -08:00
David Harris
3d5acc7c2a Simplified intdiv selection logic to muxes 2023-01-01 14:04:37 -08:00
David Harris
f8af51e07b Handle special case Int Div/Rem of |A| < |B| in a single cycle 2023-01-01 13:54:01 -08:00
David Harris
f567577ede Fixed radix 2 k = 1 lint 2022-12-31 07:01:50 -08:00
David Harris
c1689b54bb Fixed backward mux in fdivsqrtstage2 2022-12-31 06:55:20 -08:00
David Harris
7c7d40ad63 Broken commit starting to address radix 2 issues 2022-12-31 06:19:15 -08:00
David Harris
3ac62c74c2 fdivsqrt post processing cleanup 2022-12-31 05:45:15 -08:00
David Harris
99b244c8c4 fdivsqrt post processing major simplification 2022-12-31 05:42:51 -08:00
David Harris
f587933fb5 fdivsqrt post processing simplification 2022-12-31 05:37:48 -08:00
David Harris
5edc925dff fdivsqrt post processing simplification 2022-12-31 05:36:09 -08:00
David Harris
6832b9d9f6 config file, comment, postproc cleanup 2022-12-31 05:20:56 -08:00
Cedar Turek
0836d4d4f0 removed unnecessary values from shared config. unbroke division 2022-12-30 21:26:55 -08:00
Cedar Turek
e994f26d6d simplified initU and UM logic, separated radix2/4 logic 2022-12-30 18:57:07 -08:00
Cedar Turek
fb9a0c797f various formatting fixes and comments 2022-12-30 18:41:40 -08:00
Cedar Turek
286e43807a added mux to intdiv result 2022-12-30 18:06:35 -08:00
Cedar Turek
ae447e42df removed unnecessary mdue gating 2022-12-30 17:53:06 -08:00
Cedar Turek
ba90d868db took out broken muxes 2022-12-30 15:13:52 -08:00
Cedar Turek
545a3ff363 various cleanup 2022-12-30 14:31:23 -08:00
Cedar Turek
3170130c94 Code cleanup 2022-12-30 14:13:33 -08:00
Cedar Turek
158e23b5a5 commented complicated step/right shift calc 2022-12-30 12:03:10 -08:00
Cedar Turek
eef1d4dd66 comment cleaning 2022-12-30 11:11:34 -08:00
Cedar Turek
7e5cafeda3 Described internal signals of fdivsqrt top 2022-12-30 11:01:02 -08:00
Cedar Turek
8cb4a7a69a Commented fdivsqrt module 2022-12-30 10:52:25 -08:00
Cedar Turek
3115df9380 Begin commenting divsqrt 2022-12-30 10:43:02 -08:00
David Harris
58218dbdd1 continued simplifying integer division special cases 2022-12-30 07:40:28 -08:00
David Harris
bd16fd79d4 started simplifying integer division special cases 2022-12-30 07:34:26 -08:00
David Harris
30dc45c764 removed duplicate quotient mux 2022-12-30 07:17:38 -08:00
David Harris
61230c967c simplified sign handling mux 2022-12-30 07:10:47 -08:00
David Harris
3c475455d9 Clean up sqrt preproc 2022-12-30 07:00:48 -08:00
David Harris
4fb8396867 Clean up sqrt initialization mux 2022-12-30 06:55:20 -08:00
David Harris
dba3ffe767 Reduced size of preproc right shift 2022-12-30 06:47:40 -08:00
David Harris
0e9bd5dab5 fdivsqrtpreproc shift simplification 2022-12-30 06:45:51 -08:00
David Harris
e9b314f902 fdiv cleanup, reduce number of rv32f fma_b15 tests being run to speed up regression 2022-12-30 06:40:25 -08:00
David Harris
ef37070eee Fixed register timing failure on SpecialCaseM in fdivsqrt 2022-12-29 21:09:23 -08:00
David Harris
776f4714af Clean up names and comments in divsqrt 2022-12-29 08:02:44 -08:00
David Harris
6664cb9db4 Factored out hardware unique to RV64 and to IDIV 2022-12-29 07:36:26 -08:00
David Harris
7780b44973 fdivsqrtfsm conditional on IDIV (fixed typo) 2022-12-27 22:16:48 -08:00
David Harris
5ee44b7405 fdivsqrtfsm conditional on IDIV 2022-12-27 22:15:45 -08:00
David Harris
db933aa7e2 fdivsqrtfsm conditional on IDIV 2022-12-27 22:14:09 -08:00
Cedar Turek
ef360f0539 idiv passing radix 2, four copies 2022-12-27 22:11:18 -08:00
David Harris
9964fc9ebe Moved IDIV in fdivsqrtfms into generate block 2022-12-27 22:04:50 -08:00
David Harris
a832605658 Moved IDIV for postproc into generate block 2022-12-27 22:02:14 -08:00
David Harris
d59878a886 Moved IDIV_ON_FP into conditional block in fdivsqrtpreproc 2022-12-27 21:53:00 -08:00
Cedar Turek
a559abe554 Fixed cycles for multiple iterations. 2-copies radix 2 passing regression. 2022-12-27 21:34:27 -08:00
David Harris
c08811357c Renamed muldiv to mdu 2022-12-27 19:57:10 -08:00
David Harris
dfc0b5d1ad Removed MDUE from unnecessary places in fdivsqrt 2022-12-27 10:42:40 -08:00
David Harris
4850d058b2 fdiv typo 2022-12-27 10:30:42 -08:00
David Harris
acc9498ae2 Made SqrtE only true on square root so gating with ~MDUE can be removed) 2022-12-27 10:27:07 -08:00
David Harris
e34b8139af Check for non-negative W in int sign handling 2022-12-27 06:35:17 -08:00