ieee754fpu.git
4 years agoallow arrangement for feedback loops to be possible on ReservationStations in unit...
Luke Kenneth Casson Leighton [Fri, 3 Jul 2020 14:42:51 +0000 (15:42 +0100)]
allow arrangement for feedback loops to be possible on ReservationStations in unit test

4 years agocut top trial comparison
Luke Kenneth Casson Leighton [Fri, 3 Jul 2020 04:26:17 +0000 (05:26 +0100)]
cut top trial comparison

4 years agoremove use of Array, replace with treereduce
Luke Kenneth Casson Leighton [Fri, 3 Jul 2020 03:45:04 +0000 (04:45 +0100)]
remove use of Array, replace with treereduce

4 years agocut root_times_radicand if not doing Sqrt
Luke Kenneth Casson Leighton [Fri, 3 Jul 2020 03:32:30 +0000 (04:32 +0100)]
cut root_times_radicand if not doing Sqrt

4 years agoadd "supported" option to div core
Luke Kenneth Casson Leighton [Fri, 3 Jul 2020 03:09:36 +0000 (04:09 +0100)]
add "supported" option to div core

4 years agofix imports (allows test command to be run from non-top-level directory)
Luke Kenneth Casson Leighton [Tue, 9 Jun 2020 17:44:13 +0000 (18:44 +0100)]
fix imports (allows test command to be run from non-top-level directory)

4 years agomove mulAddRecFN.py and nmigen_div_experiment.py to unused dir
Jacob Lifshay [Thu, 4 Jun 2020 00:26:04 +0000 (17:26 -0700)]
move mulAddRecFN.py and nmigen_div_experiment.py to unused dir

4 years agoadd DivPipeOp in fpdiv/op.py
Jacob Lifshay [Fri, 22 May 2020 22:32:06 +0000 (15:32 -0700)]
add DivPipeOp in fpdiv/op.py

4 years agoFix handling of FPPipeContext.ports()
Michael Nolan [Sat, 16 May 2020 15:16:29 +0000 (11:16 -0400)]
Fix handling of FPPipeContext.ports()

4 years agoAllow partsig to take in a PartitionPoints directly
Michael Nolan [Fri, 8 May 2020 17:01:38 +0000 (13:01 -0400)]
Allow partsig to take in a PartitionPoints directly

4 years agoAdd in FPPipeContext to the cordic pipeline
Michael Nolan [Tue, 5 May 2020 18:08:58 +0000 (14:08 -0400)]
Add in FPPipeContext to the cordic pipeline

4 years agoUse clz.py from nmutil
Michael Nolan [Tue, 5 May 2020 15:16:21 +0000 (11:16 -0400)]
Use clz.py from nmutil

4 years agotrack down error in CORDIC pipe_data, "yield from" used instead of just "yield"
Luke Kenneth Casson Leighton [Tue, 5 May 2020 14:59:23 +0000 (15:59 +0100)]
track down error in CORDIC pipe_data, "yield from" used instead of just "yield"

4 years agowhoops cant output .il at the moment
Luke Kenneth Casson Leighton [Tue, 5 May 2020 14:52:35 +0000 (15:52 +0100)]
whoops cant output .il at the moment

4 years agoadd progress counter
Luke Kenneth Casson Leighton [Tue, 5 May 2020 14:51:52 +0000 (15:51 +0100)]
add progress counter

4 years agoallow rtlil file to be created in cordic
Luke Kenneth Casson Leighton [Tue, 5 May 2020 14:48:14 +0000 (15:48 +0100)]
allow rtlil file to be created in cordic

4 years agoAdd renormalize.py (oops!)
Michael Nolan [Tue, 5 May 2020 14:21:02 +0000 (10:21 -0400)]
Add renormalize.py (oops!)

4 years agoremove extraneous whitespace
Luke Kenneth Casson Leighton [Tue, 5 May 2020 14:01:30 +0000 (15:01 +0100)]
remove extraneous whitespace

4 years agoRemove print statements from clz.py
Michael Nolan [Mon, 4 May 2020 22:00:09 +0000 (18:00 -0400)]
Remove print statements from clz.py

4 years agoAdd asserts to fp pipe test
Michael Nolan [Mon, 4 May 2020 21:59:55 +0000 (17:59 -0400)]
Add asserts to fp pipe test

4 years agoSorta working FP renormalization in cordic
Michael Nolan [Mon, 4 May 2020 20:52:41 +0000 (16:52 -0400)]
Sorta working FP renormalization in cordic

4 years agoExtend clz to work with odd widths
Michael Nolan [Mon, 4 May 2020 20:01:20 +0000 (16:01 -0400)]
Extend clz to work with odd widths

4 years agoExtend CLZ to work over even, non powers of 2
Michael Nolan [Mon, 4 May 2020 19:56:24 +0000 (15:56 -0400)]
Extend CLZ to work over even, non powers of 2

4 years agoAdd proof for clz.py
Michael Nolan [Mon, 4 May 2020 19:34:03 +0000 (15:34 -0400)]
Add proof for clz.py

4 years agoAdd count leading zeros module (should probably go somewhere else)
Michael Nolan [Mon, 4 May 2020 18:54:26 +0000 (14:54 -0400)]
Add count leading zeros module (should probably go somewhere else)

4 years agoHave sin_cos pipeline use bigfloat calculated atan table
Michael Nolan [Mon, 4 May 2020 17:40:10 +0000 (13:40 -0400)]
Have sin_cos pipeline use bigfloat calculated atan table

4 years agoAdd cordic stages to fp cordic pipeline
Michael Nolan [Tue, 28 Apr 2020 17:55:53 +0000 (13:55 -0400)]
Add cordic stages to fp cordic pipeline

4 years agoAdd stage to convert input float to fixed point number
Michael Nolan [Tue, 28 Apr 2020 17:44:53 +0000 (13:44 -0400)]
Add stage to convert input float to fixed point number

4 years agoBegin adding floating point cordic pipeline
Michael Nolan [Tue, 28 Apr 2020 17:21:20 +0000 (13:21 -0400)]
Begin adding floating point cordic pipeline

4 years agoAllow cordic to work with 64 bit floats
Michael Nolan [Fri, 17 Apr 2020 15:21:57 +0000 (11:21 -0400)]
Allow cordic to work with 64 bit floats

4 years agomove ripple.py to nmutil
Luke Kenneth Casson Leighton [Fri, 1 May 2020 13:29:20 +0000 (14:29 +0100)]
move ripple.py to nmutil

4 years agoadd libmpfr-dev to .gitlab-ci.yml
Jacob Lifshay [Fri, 17 Apr 2020 21:32:50 +0000 (14:32 -0700)]
add libmpfr-dev to .gitlab-ci.yml

4 years agoChange tabs to spaces in .gitlab-ci.yml
Michael Nolan [Fri, 17 Apr 2020 20:29:09 +0000 (16:29 -0400)]
Change tabs to spaces in .gitlab-ci.yml

4 years agoAdd libgmp-dev to .gitlab-ci.yml
Michael Nolan [Fri, 17 Apr 2020 18:40:10 +0000 (14:40 -0400)]
Add libgmp-dev to .gitlab-ci.yml

4 years agoUse python bigfloat to calculate atan tables
Michael Nolan [Fri, 17 Apr 2020 17:46:05 +0000 (13:46 -0400)]
Use python bigfloat to calculate atan tables

4 years agoRevert "Use higher precision arithmetic when calculating the atan2 table"
Michael Nolan [Fri, 17 Apr 2020 15:22:24 +0000 (11:22 -0400)]
Revert "Use higher precision arithmetic when calculating the atan2 table"

This reverts commit 7aea44d471226db693ee99fd272504248d57375b.

4 years agoUse higher precision arithmetic when calculating the atan2 table
Michael Nolan [Fri, 17 Apr 2020 14:44:34 +0000 (10:44 -0400)]
Use higher precision arithmetic when calculating the atan2 table

4 years agochange test_fpsin to use 32 bit floats
Michael Nolan [Thu, 16 Apr 2020 21:02:09 +0000 (17:02 -0400)]
change test_fpsin to use 32 bit floats

4 years agoRun the cordic for the proper number of iterations
Michael Nolan [Thu, 16 Apr 2020 19:18:07 +0000 (15:18 -0400)]
Run the cordic for the proper number of iterations

4 years agoWorking (ish) fpsin iterative cordic
Michael Nolan [Thu, 16 Apr 2020 18:57:56 +0000 (14:57 -0400)]
Working (ish) fpsin iterative cordic

4 years agoAssert that fpsin_cos converts floats to fixed correctly
Michael Nolan [Thu, 16 Apr 2020 17:14:43 +0000 (13:14 -0400)]
Assert that fpsin_cos converts floats to fixed correctly

4 years agoBegin working on multi cycle float cordic
Michael Nolan [Thu, 16 Apr 2020 15:17:36 +0000 (11:17 -0400)]
Begin working on multi cycle float cordic

4 years agoAdd experiment testing the effects of adding extra bits to cordic
Michael Nolan [Tue, 14 Apr 2020 13:46:23 +0000 (09:46 -0400)]
Add experiment testing the effects of adding extra bits to cordic

4 years agoadd rtlil conversion and fix yield from in Cordic Data
Luke Kenneth Casson Leighton [Mon, 13 Apr 2020 17:22:56 +0000 (18:22 +0100)]
add rtlil conversion and fix yield from in Cordic Data

4 years agorun tests in parallel
Jacob Lifshay [Fri, 3 Apr 2020 07:07:25 +0000 (00:07 -0700)]
run tests in parallel

4 years agobuilding sfpy works
Jacob Lifshay [Fri, 3 Apr 2020 05:52:16 +0000 (22:52 -0700)]
building sfpy works

4 years agoadd not yet working .gitlab-ci.yml
Jacob Lifshay [Fri, 3 Apr 2020 05:27:49 +0000 (22:27 -0700)]
add not yet working .gitlab-ci.yml

4 years agoCombine a selectable number of rounds into one pipeline stage
Michael Nolan [Thu, 2 Apr 2020 17:01:46 +0000 (13:01 -0400)]
Combine a selectable number of rounds into one pipeline stage

4 years agoCleanup
Michael Nolan [Wed, 1 Apr 2020 17:29:01 +0000 (13:29 -0400)]
Cleanup

4 years agoCombine initial stage with first cordic stage
Michael Nolan [Wed, 1 Apr 2020 17:26:09 +0000 (13:26 -0400)]
Combine initial stage with first cordic stage

4 years agoAdd actual tests to test_pipeline.py
Michael Nolan [Wed, 1 Apr 2020 17:17:40 +0000 (13:17 -0400)]
Add actual tests to test_pipeline.py

4 years agoRegister each pipeline stage
Michael Nolan [Wed, 1 Apr 2020 17:17:27 +0000 (13:17 -0400)]
Register each pipeline stage

4 years agoAdd test for sin_cos_pipe (kinda working)
Michael Nolan [Wed, 1 Apr 2020 16:08:45 +0000 (12:08 -0400)]
Add test for sin_cos_pipe (kinda working)

4 years agoAdd test for sin_cos_pipe (not working still)
Michael Nolan [Wed, 1 Apr 2020 16:08:45 +0000 (12:08 -0400)]
Add test for sin_cos_pipe (not working still)

4 years agoConnect up pipeline stages
Michael Nolan [Wed, 1 Apr 2020 15:30:35 +0000 (11:30 -0400)]
Connect up pipeline stages

4 years agoBegin work on pipelined cordic
Michael Nolan [Wed, 1 Apr 2020 15:13:45 +0000 (11:13 -0400)]
Begin work on pipelined cordic

4 years agoCleanup
Michael Nolan [Tue, 31 Mar 2020 20:55:00 +0000 (16:55 -0400)]
Cleanup

4 years agoWorking sin/cos cordic
Michael Nolan [Tue, 31 Mar 2020 20:44:27 +0000 (16:44 -0400)]
Working sin/cos cordic

4 years agosin/cos cordic partially working
Michael Nolan [Tue, 31 Mar 2020 20:35:50 +0000 (16:35 -0400)]
sin/cos cordic partially working

4 years agoAdd test for sin_cos.py
Michael Nolan [Tue, 31 Mar 2020 19:47:52 +0000 (15:47 -0400)]
Add test for sin_cos.py

4 years agoBegin adding cordic
Michael Nolan [Tue, 31 Mar 2020 19:19:02 +0000 (15:19 -0400)]
Begin adding cordic

4 years agoyet another nuisance
Luke Kenneth Casson Leighton [Mon, 2 Mar 2020 15:53:49 +0000 (15:53 +0000)]
yet another nuisance

4 years agoannoying, see https://github.com/nmigen/nmigen/issues/302
Luke Kenneth Casson Leighton [Mon, 2 Mar 2020 15:42:16 +0000 (15:42 +0000)]
annoying, see https://github.com/nmigen/nmigen/issues/302
shift can no longer be signed, even if the amount is guaranteed signed

4 years agoApply Luke's suggestions/FIXME's
Michael Nolan [Thu, 27 Feb 2020 00:30:24 +0000 (19:30 -0500)]
Apply Luke's suggestions/FIXME's

4 years agomore fun comments
Luke Kenneth Casson Leighton [Wed, 26 Feb 2020 17:52:06 +0000 (17:52 +0000)]
more fun comments

4 years agoshuffle and comments
Luke Kenneth Casson Leighton [Wed, 26 Feb 2020 17:44:15 +0000 (17:44 +0000)]
shuffle and comments

4 years agoupdate comments on test partitioned signal
Luke Kenneth Casson Leighton [Wed, 26 Feb 2020 17:35:54 +0000 (17:35 +0000)]
update comments on test partitioned signal

4 years agotiny code-shuffle on GatedBitReverse
Luke Kenneth Casson Leighton [Wed, 26 Feb 2020 17:31:01 +0000 (17:31 +0000)]
tiny code-shuffle on GatedBitReverse

4 years agoAdd shift right to test_partsig and partsig
Michael Nolan [Wed, 26 Feb 2020 16:56:24 +0000 (11:56 -0500)]
Add shift right to test_partsig and partsig

4 years agoRename bitrev signal to shift_right (more descriptive)
Michael Nolan [Wed, 26 Feb 2020 16:46:23 +0000 (11:46 -0500)]
Rename bitrev signal to shift_right (more descriptive)

4 years agoShift left now working
Michael Nolan [Wed, 26 Feb 2020 16:37:21 +0000 (11:37 -0500)]
Shift left now working

4 years agoRemove element mux calculation from PartialResult
Michael Nolan [Wed, 26 Feb 2020 16:09:20 +0000 (11:09 -0500)]
Remove element mux calculation from PartialResult

4 years agoAdd bit reversal to part_shift_dynamic
Michael Nolan [Wed, 26 Feb 2020 15:56:50 +0000 (10:56 -0500)]
Add bit reversal to part_shift_dynamic

Shift Right not working yet

4 years agoAdd partitioned right shift to part_shift_scalar
Michael Nolan [Wed, 26 Feb 2020 14:08:00 +0000 (09:08 -0500)]
Add partitioned right shift to part_shift_scalar

4 years agoAdd gated bit reversal module
Michael Nolan [Mon, 24 Feb 2020 20:15:30 +0000 (15:15 -0500)]
Add gated bit reversal module

4 years agozero out entirety of mask explicitly
Luke Kenneth Casson Leighton [Mon, 24 Feb 2020 14:38:13 +0000 (14:38 +0000)]
zero out entirety of mask explicitly

4 years agozero bitmask in Shifter
Luke Kenneth Casson Leighton [Mon, 24 Feb 2020 14:35:11 +0000 (14:35 +0000)]
zero bitmask in Shifter

4 years agoskip shiftermask when bitwid=0
Luke Kenneth Casson Leighton [Sun, 23 Feb 2020 00:26:23 +0000 (00:26 +0000)]
skip shiftermask when bitwid=0

4 years agofix shiftermask error on pwid=0
Luke Kenneth Casson Leighton [Sat, 22 Feb 2020 23:55:51 +0000 (23:55 +0000)]
fix shiftermask error on pwid=0

4 years agoappend actual bit, see if coriolis issue goes away
Luke Kenneth Casson Leighton [Sat, 22 Feb 2020 23:36:48 +0000 (23:36 +0000)]
append actual bit, see if coriolis issue goes away

4 years agomust declare carry equal to width of partitions+1
Luke Kenneth Casson Leighton [Sat, 22 Feb 2020 17:13:26 +0000 (17:13 +0000)]
must declare carry equal to width of partitions+1

4 years agoadd carry (not zeros, a Const of correct width)
Luke Kenneth Casson Leighton [Sat, 22 Feb 2020 17:11:47 +0000 (17:11 +0000)]
add carry (not zeros, a Const of correct width)

4 years agozero carry-in on __neg__
Luke Kenneth Casson Leighton [Fri, 21 Feb 2020 16:08:16 +0000 (16:08 +0000)]
zero carry-in on __neg__

4 years agodeal with zero-width ShiftMask
Luke Kenneth Casson Leighton [Fri, 21 Feb 2020 13:00:57 +0000 (13:00 +0000)]
deal with zero-width ShiftMask

4 years agodeal with zero-width ShiftMask
Luke Kenneth Casson Leighton [Fri, 21 Feb 2020 13:00:38 +0000 (13:00 +0000)]
deal with zero-width ShiftMask

4 years agouse alternative class as an experiment for coriolis2
Luke Kenneth Casson Leighton [Fri, 21 Feb 2020 12:38:21 +0000 (12:38 +0000)]
use alternative class as an experiment for coriolis2

4 years agotest longer name
Luke Kenneth Casson Leighton [Thu, 20 Feb 2020 21:19:48 +0000 (21:19 +0000)]
test longer name

4 years agochange name to not clash with cell name add1
Luke Kenneth Casson Leighton [Thu, 20 Feb 2020 20:34:28 +0000 (20:34 +0000)]
change name to not clash with cell name add1

4 years agostop at end of mask index
Luke Kenneth Casson Leighton [Thu, 20 Feb 2020 20:06:25 +0000 (20:06 +0000)]
stop at end of mask index

4 years agoignore last bit of partition mask
Luke Kenneth Casson Leighton [Thu, 20 Feb 2020 20:04:14 +0000 (20:04 +0000)]
ignore last bit of partition mask

4 years agotest shift against scalar b input
Luke Kenneth Casson Leighton [Wed, 19 Feb 2020 14:33:23 +0000 (14:33 +0000)]
test shift against scalar b input

4 years agoall signals must be reset_less
Luke Kenneth Casson Leighton [Wed, 19 Feb 2020 14:20:21 +0000 (14:20 +0000)]
all signals must be reset_less

4 years agoadd fpflags to Overflow class
Luke Kenneth Casson Leighton [Mon, 17 Feb 2020 20:41:13 +0000 (20:41 +0000)]
add fpflags to Overflow class

4 years agocomment that roundz is a property
Luke Kenneth Casson Leighton [Mon, 17 Feb 2020 20:31:10 +0000 (20:31 +0000)]
comment that roundz is a property

4 years agopart_shift_scalar now has maked shift amounts working
Michael Nolan [Mon, 17 Feb 2020 16:32:01 +0000 (11:32 -0500)]
part_shift_scalar now has maked shift amounts working

4 years agoFix proof crashing instead of giving a vcd
Michael Nolan [Mon, 17 Feb 2020 16:07:47 +0000 (11:07 -0500)]
Fix proof crashing instead of giving a vcd

4 years agoIn progress
Michael Nolan [Mon, 17 Feb 2020 14:41:27 +0000 (09:41 -0500)]
In progress

4 years agoAdd ShifterMask modules to part_shift_scalar
Michael Nolan [Mon, 17 Feb 2020 14:10:13 +0000 (09:10 -0500)]
Add ShifterMask modules to part_shift_scalar

4 years agoadd in PartitionedScalarShift, ready for testing
Luke Kenneth Casson Leighton [Sat, 15 Feb 2020 17:46:54 +0000 (17:46 +0000)]
add in PartitionedScalarShift, ready for testing

4 years agowhoops shift width reduction not active
Luke Kenneth Casson Leighton [Sat, 15 Feb 2020 17:41:17 +0000 (17:41 +0000)]
whoops shift width reduction not active