Luke Kenneth Casson Leighton [Sun, 7 Jul 2019 11:56:47 +0000 (12:56 +0100)]
sort out some magic constants
Luke Kenneth Casson Leighton [Sun, 7 Jul 2019 11:43:38 +0000 (12:43 +0100)]
remove "fail" in test
Luke Kenneth Casson Leighton [Sun, 7 Jul 2019 11:33:22 +0000 (12:33 +0100)]
workaround issue with nmigen/yosys
Jacob Lifshay [Sun, 7 Jul 2019 10:18:00 +0000 (03:18 -0700)]
add fixme
Jacob Lifshay [Sun, 7 Jul 2019 10:15:47 +0000 (03:15 -0700)]
work on adding tests; test_core.py currently fails
Jacob Lifshay [Sun, 7 Jul 2019 08:00:10 +0000 (01:00 -0700)]
add tests for integer and fractional division
Jacob Lifshay [Sun, 7 Jul 2019 07:19:12 +0000 (00:19 -0700)]
switch algorithm in UnsignedDivRem to match FixedUDivRemSqrtRSqrt
Jacob Lifshay [Sun, 7 Jul 2019 07:10:12 +0000 (00:10 -0700)]
misc code cleanups
Jacob Lifshay [Sun, 7 Jul 2019 06:49:31 +0000 (23:49 -0700)]
move DivPipe(?!Core).* classes to div_pipe.py
Luke Kenneth Casson Leighton [Sun, 7 Jul 2019 06:58:11 +0000 (07:58 +0100)]
got test_add.py running, with fpadd_state.py
Luke Kenneth Casson Leighton [Sun, 7 Jul 2019 06:12:14 +0000 (07:12 +0100)]
add enough to "extra" exponent to cover FP64 to FP16 fcvt
Luke Kenneth Casson Leighton [Sun, 7 Jul 2019 06:00:04 +0000 (07:00 +0100)]
fix min-range rounding
Luke Kenneth Casson Leighton [Sat, 6 Jul 2019 20:02:59 +0000 (21:02 +0100)]
take last bit of a1 mantissa as potential sticky, not last bit of z
Luke Kenneth Casson Leighton [Sat, 6 Jul 2019 11:15:01 +0000 (12:15 +0100)]
duplicate FPRound inside fcvt
Luke Kenneth Casson Leighton [Sat, 6 Jul 2019 10:52:24 +0000 (11:52 +0100)]
fix nan and 1-rounded case in fcvt
Luke Kenneth Casson Leighton [Sat, 6 Jul 2019 09:51:46 +0000 (10:51 +0100)]
pass through exponent extra bits so that normalisation works on 32-to-16 cvt
Luke Kenneth Casson Leighton [Sat, 6 Jul 2019 09:39:20 +0000 (10:39 +0100)]
fix overwrite issue in FPBase create
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 22:53:21 +0000 (23:53 +0100)]
sorting out fcvt
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 22:53:09 +0000 (23:53 +0100)]
add extra regression for fpmul
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 22:03:35 +0000 (23:03 +0100)]
fix fcvt to work with new InputTest and pspec
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 21:56:26 +0000 (22:56 +0100)]
whoops no e_start-1 in fpnum decode
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 16:22:30 +0000 (17:22 +0100)]
example of how to use opkls to create something more than op=Signal()
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 16:16:05 +0000 (17:16 +0100)]
allow pspec to specify the class of FPPipeContext.op
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 16:07:16 +0000 (17:07 +0100)]
big (single-purpose) update: move width arg into pspec
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 14:14:05 +0000 (15:14 +0100)]
indent
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 14:12:33 +0000 (15:12 +0100)]
more comments....
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 14:06:21 +0000 (15:06 +0100)]
move Base eqs to separate mixin class
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 13:24:49 +0000 (14:24 +0100)]
reorg and add in more TODO pointers for DivPipe*Stage blocks to be added
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 12:51:02 +0000 (13:51 +0100)]
add inheritor classes to create DivPipe*Data
Jacob Lifshay [Fri, 5 Jul 2019 12:01:40 +0000 (05:01 -0700)]
add rest of DivPipeCore
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 11:08:31 +0000 (12:08 +0100)]
add in more comments
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 10:54:20 +0000 (11:54 +0100)]
add FPPipeContext/FPNumBaseRecord import
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 10:53:02 +0000 (11:53 +0100)]
all modules need to carry an output bypass plus a context (muxid, optional "op")
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 10:48:49 +0000 (11:48 +0100)]
remove of from div0
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 10:46:53 +0000 (11:46 +0100)]
add comments on where DivPipeCoreSetupStage would be used
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 10:27:44 +0000 (11:27 +0100)]
identify points where DivPipeCore*Data is needed
Jacob Lifshay [Fri, 5 Jul 2019 10:24:13 +0000 (03:24 -0700)]
fix up setup and process functions
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 09:56:16 +0000 (10:56 +0100)]
link in to setup/process
Jacob Lifshay [Fri, 5 Jul 2019 09:23:57 +0000 (02:23 -0700)]
add DivPipeCoreSetupStage
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 09:11:07 +0000 (10:11 +0100)]
split out InputTest random capability
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 08:32:40 +0000 (09:32 +0100)]
debugging fcvt
Luke Kenneth Casson Leighton [Fri, 5 Jul 2019 08:32:11 +0000 (09:32 +0100)]
add some regression tests (commented out)
Luke Kenneth Casson Leighton [Thu, 4 Jul 2019 09:00:59 +0000 (10:00 +0100)]
dont pack into v, get actual s/e/m
Luke Kenneth Casson Leighton [Thu, 4 Jul 2019 08:45:18 +0000 (09:45 +0100)]
begin debug of fcvt
Luke Kenneth Casson Leighton [Thu, 4 Jul 2019 08:34:03 +0000 (09:34 +0100)]
add fcvt first version
Jacob Lifshay [Wed, 3 Jul 2019 08:46:42 +0000 (01:46 -0700)]
implemented FixedUDivRemSqrtRSqrt
Jacob Lifshay [Wed, 3 Jul 2019 06:01:19 +0000 (23:01 -0700)]
hopefully fix test errors when using nosetests3
Jacob Lifshay [Wed, 3 Jul 2019 04:44:56 +0000 (21:44 -0700)]
implement FixedRSqrt
Jacob Lifshay [Wed, 3 Jul 2019 04:23:21 +0000 (21:23 -0700)]
fix comments
Jacob Lifshay [Wed, 3 Jul 2019 04:21:05 +0000 (21:21 -0700)]
implemented FixedSqrt
Luke Kenneth Casson Leighton [Tue, 2 Jul 2019 12:47:50 +0000 (13:47 +0100)]
workaround bug in use of ArrayProxy iteration / assignment
Luke Kenneth Casson Leighton [Tue, 2 Jul 2019 12:25:19 +0000 (13:25 +0100)]
add comment
Luke Kenneth Casson Leighton [Tue, 2 Jul 2019 09:54:48 +0000 (10:54 +0100)]
replace FPBaseData with FPPipeContext class name
Luke Kenneth Casson Leighton [Tue, 2 Jul 2019 09:06:29 +0000 (10:06 +0100)]
big convert g/s/r mid --> muxid
Luke Kenneth Casson Leighton [Tue, 2 Jul 2019 08:41:45 +0000 (09:41 +0100)]
convert fpdiv to pspec
Luke Kenneth Casson Leighton [Tue, 2 Jul 2019 08:34:25 +0000 (09:34 +0100)]
use new FPBaseData as a "spec" (context), initialised with a dict (pspec)
Luke Kenneth Casson Leighton [Mon, 1 Jul 2019 16:28:23 +0000 (17:28 +0100)]
add operand down pipeline chain
Luke Kenneth Casson Leighton [Mon, 1 Jul 2019 14:54:51 +0000 (15:54 +0100)]
found 64-bit MUL bug too
Jacob Lifshay [Mon, 1 Jul 2019 11:01:45 +0000 (04:01 -0700)]
implement fixed_rsqrt
Jacob Lifshay [Mon, 1 Jul 2019 10:21:45 +0000 (03:21 -0700)]
implement fixed_sqrt
Jacob Lifshay [Mon, 1 Jul 2019 07:01:32 +0000 (00:01 -0700)]
added tests for rest of Fixed
Jacob Lifshay [Sun, 30 Jun 2019 05:33:04 +0000 (22:33 -0700)]
add more tests
Luke Kenneth Casson Leighton [Sat, 29 Jun 2019 21:08:24 +0000 (22:08 +0100)]
update comment
Luke Kenneth Casson Leighton [Sat, 29 Jun 2019 09:35:49 +0000 (10:35 +0100)]
add comments
Luke Kenneth Casson Leighton [Sat, 29 Jun 2019 09:33:28 +0000 (10:33 +0100)]
comments
Luke Kenneth Casson Leighton [Sat, 29 Jun 2019 09:27:50 +0000 (10:27 +0100)]
add diagram explaining chain / pipe relationships
Luke Kenneth Casson Leighton [Sat, 29 Jun 2019 09:10:09 +0000 (10:10 +0100)]
update comments
Luke Kenneth Casson Leighton [Sat, 29 Jun 2019 09:07:56 +0000 (10:07 +0100)]
non-begin, non-end mode involves FPDivStage0Data
Luke Kenneth Casson Leighton [Sat, 29 Jun 2019 08:47:38 +0000 (09:47 +0100)]
put in place infrastructure for dropping in INT div unit
number of combinatorial stages specified as an argument to FPDivStages
start mode does initial conversion from pre-normalised format
not-start and not-end mode inputs Q/Rem data and outputs Q/Rem data
end mode converts Q/Rem data to format needed for post-normalisation
Jacob Lifshay [Sat, 29 Jun 2019 03:26:27 +0000 (20:26 -0700)]
fix names
Jacob Lifshay [Sat, 29 Jun 2019 03:22:10 +0000 (20:22 -0700)]
add Fract class
Jacob Lifshay [Sat, 29 Jun 2019 01:31:26 +0000 (18:31 -0700)]
integer division algorithm works
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 15:54:34 +0000 (16:54 +0100)]
add comments
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 07:51:20 +0000 (08:51 +0100)]
add comments on parameters
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 07:46:31 +0000 (08:46 +0100)]
add comments on parameters
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 07:43:21 +0000 (08:43 +0100)]
add comments on parameters
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 06:10:56 +0000 (07:10 +0100)]
quick debug session on FP div stub pipeline
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 06:03:00 +0000 (07:03 +0100)]
put in TODO divstages list
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 05:59:21 +0000 (06:59 +0100)]
whoops missed a cookie-cut rename
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 05:57:55 +0000 (06:57 +0100)]
add div1 and div2 cookie-cut with TODO messages
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 05:47:47 +0000 (06:47 +0100)]
add cookie-cut div0.py pipeline stage class
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 05:35:22 +0000 (06:35 +0100)]
add comment, link to bugreport
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 05:32:11 +0000 (06:32 +0100)]
add cookie-cut FPDIV
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 05:29:33 +0000 (06:29 +0100)]
add cookie-cut test_fpdiv_pipe.py
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 05:28:33 +0000 (06:28 +0100)]
add cookie-cut fpdiv pipeline.py
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 05:24:33 +0000 (06:24 +0100)]
remove unneeded imports
Luke Kenneth Casson Leighton [Fri, 28 Jun 2019 05:17:07 +0000 (06:17 +0100)]
add fpdiv specialcases
Luke Kenneth Casson Leighton [Sun, 16 Jun 2019 13:41:00 +0000 (14:41 +0100)]
move comment
Luke Kenneth Casson Leighton [Sun, 16 Jun 2019 12:52:05 +0000 (13:52 +0100)]
got fpdiv FSM operational
Luke Kenneth Casson Leighton [Sun, 16 Jun 2019 12:41:43 +0000 (13:41 +0100)]
bug, 0xe225 0x8181 0x249f returns 0x249e
Luke Kenneth Casson Leighton [Sun, 16 Jun 2019 12:18:28 +0000 (13:18 +0100)]
fpmul specialcase, nan x nan returns 0 nan
Luke Kenneth Casson Leighton [Sun, 16 Jun 2019 12:01:24 +0000 (13:01 +0100)]
get fp mul pipe working using new FPNumBaseRecord
Luke Kenneth Casson Leighton [Sun, 16 Jun 2019 11:51:48 +0000 (12:51 +0100)]
make overflow roundz a property (Overflow no longer a module)
Luke Kenneth Casson Leighton [Sun, 16 Jun 2019 11:46:58 +0000 (12:46 +0100)]
fix up FPNumBase by creating a Record class (not derived from Elaboratable)
that is passed in where it is needed
Luke Kenneth Casson Leighton [Sun, 16 Jun 2019 07:27:26 +0000 (08:27 +0100)]
reduce max count from 1000 to 10
Luke Kenneth Casson Leighton [Sun, 16 Jun 2019 06:43:04 +0000 (07:43 +0100)]
add in missing modules
Luke Kenneth Casson Leighton [Sun, 16 Jun 2019 06:34:52 +0000 (07:34 +0100)]
switch off specallocate in fpadd statemachine
Luke Kenneth Casson Leighton [Sun, 16 Jun 2019 06:10:31 +0000 (07:10 +0100)]
add elaboratables
Luke Kenneth Casson Leighton [Sun, 16 Jun 2019 06:07:32 +0000 (07:07 +0100)]
create FPNumBaseRecord
Luke Kenneth Casson Leighton [Sun, 16 Jun 2019 05:55:03 +0000 (06:55 +0100)]
whitespace