Luke Kenneth Casson Leighton [Mon, 25 Feb 2019 08:15:57 +0000 (08:15 +0000)]
invert stb/ack between add1 and add2
Luke Kenneth Casson Leighton [Sun, 24 Feb 2019 09:27:30 +0000 (09:27 +0000)]
experimenting with dual add
Luke Kenneth Casson Leighton [Sat, 23 Feb 2019 12:57:26 +0000 (12:57 +0000)]
trying different testing for 2nd round
Luke Kenneth Casson Leighton [Sat, 23 Feb 2019 12:40:41 +0000 (12:40 +0000)]
use function to get chain of v/ack/stb
Luke Kenneth Casson Leighton [Sat, 23 Feb 2019 12:33:31 +0000 (12:33 +0000)]
yippee got dual add chained together
Luke Kenneth Casson Leighton [Sat, 23 Feb 2019 12:22:10 +0000 (12:22 +0000)]
whoops revert decode inside module FPNumIn, causing problems
Luke Kenneth Casson Leighton [Sat, 23 Feb 2019 11:56:58 +0000 (11:56 +0000)]
add dual unit test
Luke Kenneth Casson Leighton [Sat, 23 Feb 2019 11:56:28 +0000 (11:56 +0000)]
move unit test order
Luke Kenneth Casson Leighton [Sat, 23 Feb 2019 11:56:14 +0000 (11:56 +0000)]
remove unneeded class declaration
Luke Kenneth Casson Leighton [Sat, 23 Feb 2019 11:30:44 +0000 (11:30 +0000)]
add a dual-chained add experiment
Luke Kenneth Casson Leighton [Sat, 23 Feb 2019 08:43:58 +0000 (08:43 +0000)]
store logic-test conditions in intermediates
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 10:55:44 +0000 (10:55 +0000)]
isolate inputs and outputs in FPGetA class
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 10:19:31 +0000 (10:19 +0000)]
FPADD need no longer be derived from FPBase
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 10:18:15 +0000 (10:18 +0000)]
remove explicit code-adding of states, use for-loop instead
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 10:13:14 +0000 (10:13 +0000)]
move putz to separate class
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 10:11:53 +0000 (10:11 +0000)]
move pack to separate class
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 10:10:41 +0000 (10:10 +0000)]
move corrections to separate class
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 10:08:37 +0000 (10:08 +0000)]
move rounding to separate class
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 09:38:14 +0000 (09:38 +0000)]
move normalisation stages to separate classes
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 09:27:49 +0000 (09:27 +0000)]
move add1 stage to separate class
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 09:23:12 +0000 (09:23 +0000)]
add comment
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 09:22:24 +0000 (09:22 +0000)]
split out add0 stage into separate class
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 09:14:22 +0000 (09:14 +0000)]
move align to separate class
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 09:10:07 +0000 (09:10 +0000)]
create separate denormalisation class
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 08:52:12 +0000 (08:52 +0000)]
move special cases to separate state class
Luke Kenneth Casson Leighton [Thu, 21 Feb 2019 08:45:33 +0000 (08:45 +0000)]
move get_a and get_b to their own classes
Aleksandar Kostovic [Wed, 20 Feb 2019 17:50:07 +0000 (18:50 +0100)]
Remove coments with verilog code
Luke Kenneth Casson Leighton [Wed, 20 Feb 2019 05:24:06 +0000 (05:24 +0000)]
split denormalisation to separate state
Luke Kenneth Casson Leighton [Wed, 20 Feb 2019 04:54:41 +0000 (04:54 +0000)]
latch into FPNumIn within module
Luke Kenneth Casson Leighton [Wed, 20 Feb 2019 04:26:31 +0000 (04:26 +0000)]
create separate modules for fpnum in and out
Luke Kenneth Casson Leighton [Wed, 20 Feb 2019 02:52:10 +0000 (02:52 +0000)]
make module out of overflow class
Luke Kenneth Casson Leighton [Wed, 20 Feb 2019 02:30:03 +0000 (02:30 +0000)]
create module for FPNum
Luke Kenneth Casson Leighton [Wed, 20 Feb 2019 02:17:33 +0000 (02:17 +0000)]
reset allowed on FPop, not on FPNum
Luke Kenneth Casson Leighton [Wed, 20 Feb 2019 00:45:56 +0000 (00:45 +0000)]
store roundz test in comb variable
Luke Kenneth Casson Leighton [Tue, 19 Feb 2019 15:52:13 +0000 (15:52 +0000)]
store testing of nan/inf/zero in comb Signals
Luke Kenneth Casson Leighton [Tue, 19 Feb 2019 15:51:20 +0000 (15:51 +0000)]
move setting of stb into else block
Luke Kenneth Casson Leighton [Tue, 19 Feb 2019 15:27:12 +0000 (15:27 +0000)]
reset_less on signals that do not need it
Luke Kenneth Casson Leighton [Tue, 19 Feb 2019 12:51:50 +0000 (12:51 +0000)]
reorganise unit test single to do much more comprehensive test cases.
specific edge cases on the exponent are covered, with random mantissas:
-126, -127, 127, 128
Luke Kenneth Casson Leighton [Tue, 19 Feb 2019 11:23:22 +0000 (11:23 +0000)]
take out FP16 non-canonical NaN weirdness for now
Luke Kenneth Casson Leighton [Tue, 19 Feb 2019 09:20:13 +0000 (09:20 +0000)]
add corner-cases +/-0 + NaN
Luke Kenneth Casson Leighton [Tue, 19 Feb 2019 08:24:20 +0000 (08:24 +0000)]
add FP16 add unit test
Luke Kenneth Casson Leighton [Tue, 19 Feb 2019 08:23:20 +0000 (08:23 +0000)]
INF + -INF bug
Luke Kenneth Casson Leighton [Tue, 19 Feb 2019 08:05:29 +0000 (08:05 +0000)]
whoops FP16 mantissa off-by-one
Luke Kenneth Casson Leighton [Tue, 19 Feb 2019 07:41:35 +0000 (07:41 +0000)]
remove hard-coded width
Luke Kenneth Casson Leighton [Tue, 19 Feb 2019 07:41:23 +0000 (07:41 +0000)]
add FP16 format
Luke Kenneth Casson Leighton [Tue, 19 Feb 2019 06:41:50 +0000 (06:41 +0000)]
add shift up multi function
Luke Kenneth Casson Leighton [Tue, 19 Feb 2019 05:41:28 +0000 (05:41 +0000)]
add extra regression tests (a + -a) for add
Luke Kenneth Casson Leighton [Tue, 19 Feb 2019 05:39:14 +0000 (05:39 +0000)]
comment for a + -a special case add
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:32:38 +0000 (21:32 +0000)]
add 64 bit mul unit test
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:32:20 +0000 (21:32 +0000)]
whoops, off-by-one in use of mw, in multiply_1 stage
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:26:52 +0000 (21:26 +0000)]
whoops, messing up on m_width *sigh*
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:23:52 +0000 (21:23 +0000)]
use double run_corner_cases function in add unit test
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:22:57 +0000 (21:22 +0000)]
add corner case unit test function
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:21:52 +0000 (21:21 +0000)]
doh! use z mantissa width to specify product width.
also take out hard-coded numbers, ready for 64 bit
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:16:08 +0000 (21:16 +0000)]
use common run_corner_cases function
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:15:03 +0000 (21:15 +0000)]
use common run_corner_cases function
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:13:31 +0000 (21:13 +0000)]
add mul unit test
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:13:04 +0000 (21:13 +0000)]
special cases, sign of zero and inf matters: a.s ^ b.s
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:12:16 +0000 (21:12 +0000)]
missed indentation of if statements in special cases
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:11:47 +0000 (21:11 +0000)]
of.guard, of.round, of.sticky - of is a class with members "guard, round etc"
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:10:28 +0000 (21:10 +0000)]
m.next not m.next +=
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:10:07 +0000 (21:10 +0000)]
whoops, self.width not self.m_width
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 21:04:29 +0000 (21:04 +0000)]
add corner case unit test function
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 18:22:50 +0000 (18:22 +0000)]
diff on div and mul shows corrections stage missed out
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 18:20:51 +0000 (18:20 +0000)]
use get_op functions, easier to do
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 18:18:48 +0000 (18:18 +0000)]
product in multiply, not tot (was from add)
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 18:12:24 +0000 (18:12 +0000)]
corrections in whitespace due to use of tabs
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 18:08:14 +0000 (18:08 +0000)]
mul needs FPNum mantissa to be 24-bit on a and b, set 2nd arg False
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 18:06:51 +0000 (18:06 +0000)]
add requirements (dependencies)
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 18:05:38 +0000 (18:05 +0000)]
quite a lot of corrections to div special cases
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 17:43:13 +0000 (17:43 +0000)]
add regression test on div
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 17:42:59 +0000 (17:42 +0000)]
remove zeroing bugfix correction, not needed any more
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 17:37:52 +0000 (17:37 +0000)]
split out edge cases from unit tests into common files
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 17:30:25 +0000 (17:30 +0000)]
add operator argument to unit tests
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 17:22:07 +0000 (17:22 +0000)]
add div unit tests
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 17:17:19 +0000 (17:17 +0000)]
split out common double-precision unit test code
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 17:16:21 +0000 (17:16 +0000)]
split out common double-precision unit test code
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 17:15:33 +0000 (17:15 +0000)]
split out common unit test code
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 17:13:07 +0000 (17:13 +0000)]
split out unit test common code
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 17:12:44 +0000 (17:12 +0000)]
whoops wrong gitignore path
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 14:45:48 +0000 (14:45 +0000)]
add jon dawson add64 unit tests
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 12:20:29 +0000 (12:20 +0000)]
add comment for random number tests
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 12:08:55 +0000 (12:08 +0000)]
test case fail, 2 numbers exceeded -INF but +ve INF was returned
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 12:05:26 +0000 (12:05 +0000)]
whoops set mantissa = -127 instead of exponent... oops...
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 11:56:18 +0000 (11:56 +0000)]
fix unit test use of xrange, replace with range
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 11:55:33 +0000 (11:55 +0000)]
fix a - b = zero by adding special case
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 11:27:03 +0000 (11:27 +0000)]
add unit tests
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 07:00:56 +0000 (07:00 +0000)]
use straight << and >> operator instead of multi-level Mux
Luke Kenneth Casson Leighton [Mon, 18 Feb 2019 05:24:49 +0000 (05:24 +0000)]
add .gitignore
Aleksandar Kostovic [Sun, 17 Feb 2019 18:05:41 +0000 (19:05 +0100)]
Finished the module states and added __main__
Aleksandar Kostovic [Sun, 17 Feb 2019 17:43:24 +0000 (18:43 +0100)]
Add more special cases to the module
Aleksandar Kostovic [Sun, 17 Feb 2019 15:40:24 +0000 (16:40 +0100)]
Added comment to explain a case
Aleksandar Kostovic [Sun, 17 Feb 2019 15:36:51 +0000 (16:36 +0100)]
Translated more of the special cases to nmigen
Aleksandar Kostovic [Sun, 17 Feb 2019 15:27:52 +0000 (16:27 +0100)]
Translated some of the special cases to nmigen
Aleksandar Kostovic [Sun, 17 Feb 2019 15:11:08 +0000 (16:11 +0100)]
Started to build module using functions instead plain translation from verilog to nmigen
Aleksandar Kostovic [Sun, 17 Feb 2019 15:00:29 +0000 (16:00 +0100)]
Started to translate special cases
Aleksandar Kostovic [Sun, 17 Feb 2019 14:42:22 +0000 (15:42 +0100)]
Done unpack in nmigen
Luke Kenneth Casson Leighton [Sun, 17 Feb 2019 14:08:58 +0000 (14:08 +0000)]
add unit tests that push the mantissa to zero or close to zero
Luke Kenneth Casson Leighton [Sun, 17 Feb 2019 14:07:33 +0000 (14:07 +0000)]
add TODO comment
Luke Kenneth Casson Leighton [Sun, 17 Feb 2019 14:03:29 +0000 (14:03 +0000)]
test single-cycle align phase on 64-bit add