openpower-isa.git
3 years agobring qemu sim size down to 1GB
Luke Kenneth Casson Leighton [Mon, 16 Aug 2021 19:52:56 +0000 (20:52 +0100)]
bring qemu sim size down to 1GB

3 years agoadd subTest back in to bcd tst
Luke Kenneth Casson Leighton [Sun, 15 Aug 2021 22:07:28 +0000 (23:07 +0100)]
add subTest back in to bcd tst

3 years agowhitespace (keep below 80 chars)
Luke Kenneth Casson Leighton [Sun, 15 Aug 2021 21:59:35 +0000 (22:59 +0100)]
whitespace (keep below 80 chars)

3 years agowhitespace (below 80 chars)
Luke Kenneth Casson Leighton [Sun, 15 Aug 2021 21:56:26 +0000 (22:56 +0100)]
whitespace (below 80 chars)

3 years agotake copy of GPR/FPR inputs into ISACaller
Luke Kenneth Casson Leighton [Sun, 15 Aug 2021 21:53:52 +0000 (22:53 +0100)]
take copy of GPR/FPR inputs into ISACaller

3 years agoallow constructor of SelectableInt to pass in (and copy)
Luke Kenneth Casson Leighton [Sun, 15 Aug 2021 21:52:58 +0000 (22:52 +0100)]
allow constructor of SelectableInt to pass in (and copy)
another SelectableInt

3 years agotest_caller_bcd: basic batch mode support
Dmitry Selyutin [Sun, 15 Aug 2021 18:01:23 +0000 (18:01 +0000)]
test_caller_bcd: basic batch mode support

3 years agono python files to be committed in isafunctions
Luke Kenneth Casson Leighton [Sun, 15 Aug 2021 18:14:28 +0000 (19:14 +0100)]
no python files to be committed in isafunctions

3 years agoadd a quick logic test of astor tree-dump
Luke Kenneth Casson Leighton [Sun, 15 Aug 2021 17:46:51 +0000 (18:46 +0100)]
add a quick logic test of astor tree-dump

3 years agosv.bc test jumping to wrong location (offset 0xc not 0x8)
Luke Kenneth Casson Leighton [Sun, 15 Aug 2021 16:05:16 +0000 (17:05 +0100)]
sv.bc test jumping to wrong location (offset 0xc not 0x8)
fix sv.bc/all test, and sv.bc pseudocode, to early-exit if one CR test
fails, but also not branch just because *one* test succeeds.

3 years agocreate an end loop condition which tells the sv.bc pseudocode
Luke Kenneth Casson Leighton [Sat, 14 Aug 2021 17:27:03 +0000 (18:27 +0100)]
create an end loop condition which tells the sv.bc pseudocode
that it is on the last src/dststep loop

3 years agoend loop condition in svp64 bc pseudo-code
Luke Kenneth Casson Leighton [Sat, 14 Aug 2021 17:09:35 +0000 (18:09 +0100)]
end loop condition in svp64 bc pseudo-code

3 years agofix test_caller_svp64.py, particularly indexed LD/ST,
Luke Kenneth Casson Leighton [Sat, 14 Aug 2021 10:53:30 +0000 (11:53 +0100)]
fix test_caller_svp64.py, particularly indexed LD/ST,
vector reg numbers have to be aligned to multiple of 4

3 years agomessy resolution of sv.bc testing, early-out detection.
Luke Kenneth Casson Leighton [Sat, 14 Aug 2021 10:43:46 +0000 (11:43 +0100)]
messy resolution of sv.bc testing, early-out detection.

3 years agoadd TODO comments for BCD test speedup
Luke Kenneth Casson Leighton [Thu, 12 Aug 2021 14:20:34 +0000 (15:20 +0100)]
add TODO comments for BCD test speedup

3 years agoadd ctr_ok and cond_ok to namespace to be able
Luke Kenneth Casson Leighton [Thu, 12 Aug 2021 14:20:20 +0000 (15:20 +0100)]
add ctr_ok and cond_ok to namespace to be able
to detect if the branch took place or not

3 years agouse subTest in BCD test
Luke Kenneth Casson Leighton [Wed, 11 Aug 2021 19:48:14 +0000 (20:48 +0100)]
use subTest in BCD test

3 years agoget new ISATestCaller set up with correct function params
Luke Kenneth Casson Leighton [Wed, 11 Aug 2021 19:44:56 +0000 (20:44 +0100)]
get new ISATestCaller set up with correct function params

3 years agomake only one PowerDecoder2, share it with
Luke Kenneth Casson Leighton [Wed, 11 Aug 2021 19:43:54 +0000 (20:43 +0100)]
make only one PowerDecoder2, share it with
multiple tests

3 years agowhoops test for sv.bc* matched accidentally, use explicit test
Luke Kenneth Casson Leighton [Wed, 11 Aug 2021 16:28:53 +0000 (17:28 +0100)]
whoops test for sv.bc* matched accidentally, use explicit test
"svremap" and "svstate" instead

3 years agoredirect sv.bc to new svbranch in ISACaller
Luke Kenneth Casson Leighton [Wed, 11 Aug 2021 16:15:39 +0000 (17:15 +0100)]
redirect sv.bc to new svbranch in ISACaller
add missing fields needed for sv.bc

3 years agocorrections to SVP64 Branch Conditional
Luke Kenneth Casson Leighton [Wed, 11 Aug 2021 16:00:28 +0000 (17:00 +0100)]
corrections to SVP64 Branch Conditional
add special extra fields for sv.bc* in ISACaller namespace

3 years agorename TestRunner class to ISATestRunner
Luke Kenneth Casson Leighton [Wed, 11 Aug 2021 09:15:35 +0000 (10:15 +0100)]
rename TestRunner class to ISATestRunner

3 years agoadd (untested) TestRunner based on soc test_runner.py
Luke Kenneth Casson Leighton [Wed, 11 Aug 2021 09:11:31 +0000 (10:11 +0100)]
add (untested) TestRunner based on soc test_runner.py

3 years agotest_caller_bcd: cdtbcd
Dmitry Selyutin [Wed, 11 Aug 2021 07:36:33 +0000 (07:36 +0000)]
test_caller_bcd: cdtbcd

3 years agotest_caller_bcd: cbcdtd test
Dmitry Selyutin [Tue, 10 Aug 2021 20:39:48 +0000 (20:39 +0000)]
test_caller_bcd: cbcdtd test

3 years agopywriter: move BCD/DPD routines to header
Dmitry Selyutin [Tue, 10 Aug 2021 19:15:19 +0000 (19:15 +0000)]
pywriter: move BCD/DPD routines to header

3 years agoadd dct butterfly SVG autogenerator
Luke Kenneth Casson Leighton [Tue, 10 Aug 2021 17:15:26 +0000 (18:15 +0100)]
add dct butterfly SVG autogenerator

3 years agocorrections to SVP64 Branch RM Mode decoding
Luke Kenneth Casson Leighton [Tue, 10 Aug 2021 11:42:41 +0000 (12:42 +0100)]
corrections to SVP64 Branch RM Mode decoding

3 years agowhoops, test of SV.bc in wrong place
Luke Kenneth Casson Leighton [Sun, 8 Aug 2021 21:10:59 +0000 (22:10 +0100)]
whoops, test of SV.bc in wrong place

3 years agoadd start of SVP64ASM encoder for sv.bc and sv.bclr
Luke Kenneth Casson Leighton [Sun, 8 Aug 2021 21:06:45 +0000 (22:06 +0100)]
add start of SVP64ASM encoder for sv.bc and sv.bclr
TODO, sv.bca, sv.bclrl etc.

3 years agoadd bc and bclr to sv_analysis
Luke Kenneth Casson Leighton [Sun, 8 Aug 2021 14:55:50 +0000 (15:55 +0100)]
add bc and bclr to sv_analysis

3 years agoadd SVP64 Branch-Conditional decoding
Luke Kenneth Casson Leighton [Sun, 8 Aug 2021 12:30:14 +0000 (13:30 +0100)]
add SVP64 Branch-Conditional decoding

3 years agoadding some testing of fragment-printing into PowerDecoder
Luke Kenneth Casson Leighton [Sun, 8 Aug 2021 12:29:39 +0000 (13:29 +0100)]
adding some testing of fragment-printing into PowerDecoder

3 years agoremove SVP64 Branch format modifications (achieve a different way)
Luke Kenneth Casson Leighton [Sat, 7 Aug 2021 00:51:09 +0000 (01:51 +0100)]
remove SVP64 Branch format modifications (achieve a different way)

3 years agostart adding Branch-Conditional decoding to SVP64RMModeDecode
Luke Kenneth Casson Leighton [Thu, 5 Aug 2021 10:52:03 +0000 (11:52 +0100)]
start adding Branch-Conditional decoding to SVP64RMModeDecode

3 years agoadd SVP64 Branch-Conditional equivalent of Rc fields
Luke Kenneth Casson Leighton [Thu, 5 Aug 2021 10:37:50 +0000 (11:37 +0100)]
add SVP64 Branch-Conditional equivalent of Rc fields

3 years agoadd inverse DCT in-place unit test with bit-reversed half-swap LD
Luke Kenneth Casson Leighton [Mon, 2 Aug 2021 19:16:57 +0000 (20:16 +0100)]
add inverse DCT in-place unit test with bit-reversed half-swap LD

3 years agobit of a big update, remove all bit-reversed LD operations, replace with
Luke Kenneth Casson Leighton [Sun, 1 Aug 2021 17:37:45 +0000 (18:37 +0100)]
bit of a big update, remove all bit-reversed LD operations, replace with
LD-with-shift, and fix LDST, DCT and FFT unit tests to use new
bitrev-with-half-swap REMAP modes

3 years agoadd BCD operations to SVP64
Luke Kenneth Casson Leighton [Sun, 1 Aug 2021 17:36:49 +0000 (18:36 +0100)]
add BCD operations to SVP64

3 years agorename lw*br to lw*sh
Luke Kenneth Casson Leighton [Sun, 1 Aug 2021 15:04:03 +0000 (16:04 +0100)]
rename lw*br to lw*sh

3 years agoadd LD-half-swap for i-DCT which does not work. redesign needed
Luke Kenneth Casson Leighton [Sun, 1 Aug 2021 09:30:53 +0000 (10:30 +0100)]
add LD-half-swap for i-DCT which does not work. redesign needed

3 years agopywriter: BCD helpers
Dmitry Selyutin [Sat, 31 Jul 2021 19:14:49 +0000 (19:14 +0000)]
pywriter: BCD helpers

3 years agoisa/bcd: DPD_TO_BCD helper
Dmitry Selyutin [Sat, 31 Jul 2021 18:57:36 +0000 (18:57 +0000)]
isa/bcd: DPD_TO_BCD helper

3 years agoisa/bcd: BCD_TO_DPD helper
Dmitry Selyutin [Sat, 31 Jul 2021 18:56:16 +0000 (18:56 +0000)]
isa/bcd: BCD_TO_DPD helper

3 years agoremove hand-created DOUBLE function, now it is replaced with pseudocode
Luke Kenneth Casson Leighton [Sat, 31 Jul 2021 19:02:28 +0000 (20:02 +0100)]
remove hand-created DOUBLE function, now it is replaced with pseudocode
compiled version

3 years agoreplace DOUBLE function from helpers.py with pseudocode variant
Luke Kenneth Casson Leighton [Sat, 31 Jul 2021 18:48:46 +0000 (19:48 +0100)]
replace DOUBLE function from helpers.py with pseudocode variant

3 years agoadd SINGLE function to double2single, to replace manually-created version
Luke Kenneth Casson Leighton [Sat, 31 Jul 2021 18:38:07 +0000 (19:38 +0100)]
add SINGLE function to double2single, to replace manually-created version

3 years agowhoops, no ability to add comments in between functions in pseudocode
Luke Kenneth Casson Leighton [Sat, 31 Jul 2021 18:37:48 +0000 (19:37 +0100)]
whoops, no ability to add comments in between functions in pseudocode

3 years agoadd outer-inner RADIX2 iDCT unit test.
Luke Kenneth Casson Leighton [Sat, 31 Jul 2021 16:27:20 +0000 (17:27 +0100)]
add outer-inner RADIX2 iDCT unit test.
use FFT twin +/- MUL-ADD-SUB rather than the DCT +/- MUL-ADD-SUB

3 years agoisa/bcd.mdwn: fix incorrect declaration
Dmitry Selyutin [Sat, 31 Jul 2021 13:48:08 +0000 (13:48 +0000)]
isa/bcd.mdwn: fix incorrect declaration

In pseudocode used in our markdown files, dc[16] does not mean that
we declare a variable of 16 bits; it only means that we access bit
16 of variable dc. Details:

https://bugs.libre-soc.org/show_bug.cgi?id=656#c15

3 years agoadd SVP64 i-DCT unit test for inner butterfly, coefficients pre-computed
Luke Kenneth Casson Leighton [Sat, 31 Jul 2021 13:28:25 +0000 (14:28 +0100)]
add SVP64 i-DCT unit test for inner butterfly, coefficients pre-computed
at present

3 years agoadd i-DCT SVP64 unit test for outer butterfly
Luke Kenneth Casson Leighton [Sat, 31 Jul 2021 13:19:46 +0000 (14:19 +0100)]
add i-DCT SVP64 unit test for outer butterfly

3 years agoadd iDCT modes to interim svshape instruction pseudo-code
Luke Kenneth Casson Leighton [Sat, 31 Jul 2021 12:10:22 +0000 (13:10 +0100)]
add iDCT modes to interim svshape instruction pseudo-code

3 years agocorrections to iDCT demo printout
Luke Kenneth Casson Leighton [Sat, 31 Jul 2021 09:21:22 +0000 (10:21 +0100)]
corrections to iDCT demo printout

3 years agoisa/bcd.mdwn: fix assignment operator
Dmitry Selyutin [Fri, 30 Jul 2021 18:49:56 +0000 (18:49 +0000)]
isa/bcd.mdwn: fix assignment operator

3 years agoisa/bcd.mdwn: update addg6s pseudocode
Dmitry Selyutin [Fri, 30 Jul 2021 18:33:03 +0000 (18:33 +0000)]
isa/bcd.mdwn: update addg6s pseudocode

Not only this pseudocode is wrong, since some actions are put inside
the loop, but also the algorithm as is cannot be translated due to
use of function call (carry_out). For more details, check these
discussions:

https://libre-soc.org/irclog/%23libre-soc.2021-07-28.log.html
https://bugs.libre-soc.org/show_bug.cgi?id=656

3 years agoisatables: cbcdtd instruction
Dmitry Selyutin [Wed, 28 Jul 2021 17:24:16 +0000 (17:24 +0000)]
isatables: cbcdtd instruction

3 years agoisatables: cdtbcd instruction
Dmitry Selyutin [Wed, 28 Jul 2021 17:24:06 +0000 (17:24 +0000)]
isatables: cdtbcd instruction

3 years agogot i-DCT yield schedule operational in fastdctlee.py test
Luke Kenneth Casson Leighton [Fri, 30 Jul 2021 14:27:54 +0000 (15:27 +0100)]
got i-DCT yield schedule operational in fastdctlee.py test

3 years agostart adding i-dct schedule with debug-print, hard to tell what is going on
Luke Kenneth Casson Leighton [Fri, 30 Jul 2021 10:15:37 +0000 (11:15 +0100)]
start adding i-dct schedule with debug-print, hard to tell what is going on
need to actually create a schedule-variant of i-DCT function, next

3 years agorandom experimentation landed eventually on a "pass" of iDCT with
Luke Kenneth Casson Leighton [Thu, 29 Jul 2021 22:11:59 +0000 (23:11 +0100)]
random experimentation landed eventually on a "pass" of iDCT with
in-place half-swapping

3 years agouse coefficient table in iDCT
Luke Kenneth Casson Leighton [Thu, 29 Jul 2021 21:58:02 +0000 (22:58 +0100)]
use coefficient table in iDCT

3 years agomove half-reverse to before outer butterfly in I-DCT
Luke Kenneth Casson Leighton [Thu, 29 Jul 2021 20:28:01 +0000 (21:28 +0100)]
move half-reverse to before outer butterfly in I-DCT

3 years agoget byte-swapping functional in inverse-dct proof-of-concept
Luke Kenneth Casson Leighton [Thu, 29 Jul 2021 20:22:20 +0000 (21:22 +0100)]
get byte-swapping functional in inverse-dct proof-of-concept

3 years agosigh, I-DCT had to reverse the order of middle loop to stop
Luke Kenneth Casson Leighton [Thu, 29 Jul 2021 19:52:29 +0000 (20:52 +0100)]
sigh, I-DCT had to reverse the order of middle loop to stop
overwrite-accumulation of iterative sum

3 years agostart on inverse dct, turning recursive to iterative
Luke Kenneth Casson Leighton [Thu, 29 Jul 2021 17:12:53 +0000 (18:12 +0100)]
start on inverse dct, turning recursive to iterative

3 years agostart on inverse DCT, transforming to iterative
Luke Kenneth Casson Leighton [Wed, 28 Jul 2021 18:04:52 +0000 (19:04 +0100)]
start on inverse DCT, transforming to iterative

3 years agogot DCT LD-bit-rev demo operational in unit test
Luke Kenneth Casson Leighton [Wed, 28 Jul 2021 15:42:42 +0000 (16:42 +0100)]
got DCT LD-bit-rev demo operational in unit test

3 years agofix LD/ST bitreverse with Matrix REMAP to instead be non-bitreversed.
Luke Kenneth Casson Leighton [Wed, 28 Jul 2021 13:46:39 +0000 (14:46 +0100)]
fix LD/ST bitreverse with Matrix REMAP to instead be non-bitreversed.
slightly meaningless to bit-reverse on matrix LDs, but it is still possible

3 years agoargh, have LD-bitreverse select the offset from RA REMAP schedule
Luke Kenneth Casson Leighton [Wed, 28 Jul 2021 13:24:21 +0000 (14:24 +0100)]
argh, have LD-bitreverse select the offset from RA REMAP schedule

3 years agoadd mode for half-swap, to be combined with LD-bit-reversed for loading DCT
Luke Kenneth Casson Leighton [Wed, 28 Jul 2021 11:16:18 +0000 (12:16 +0100)]
add mode for half-swap, to be combined with LD-bit-reversed for loading DCT
data

3 years agocode comments
Luke Kenneth Casson Leighton [Wed, 28 Jul 2021 11:03:51 +0000 (12:03 +0100)]
code comments

3 years agofix test_power_decoder.py
Luke Kenneth Casson Leighton [Tue, 27 Jul 2021 17:26:51 +0000 (18:26 +0100)]
fix test_power_decoder.py

3 years agoget DCT shortened table operational
Luke Kenneth Casson Leighton [Tue, 27 Jul 2021 16:20:07 +0000 (17:20 +0100)]
get DCT shortened table operational

3 years agoisatables: addg6s instruction
Dmitry Selyutin [Tue, 27 Jul 2021 06:22:38 +0000 (06:22 +0000)]
isatables: addg6s instruction

3 years agopower_enums: cbcdtd instruction
Dmitry Selyutin [Mon, 26 Jul 2021 14:48:38 +0000 (14:48 +0000)]
power_enums: cbcdtd instruction

3 years agopower_enums: cdtbcd instruction
Dmitry Selyutin [Mon, 26 Jul 2021 14:48:25 +0000 (14:48 +0000)]
power_enums: cdtbcd instruction

3 years agopower_enums: addg6s instruction
Dmitry Selyutin [Mon, 26 Jul 2021 14:48:03 +0000 (14:48 +0000)]
power_enums: addg6s instruction

3 years agoadding reduced COS table DCT test
Luke Kenneth Casson Leighton [Tue, 27 Jul 2021 15:40:38 +0000 (16:40 +0100)]
adding reduced COS table DCT test

3 years agoadd new DCT inner butterfly shorter COS-gen mode unit test
Luke Kenneth Casson Leighton [Tue, 27 Jul 2021 15:17:52 +0000 (16:17 +0100)]
add new DCT inner butterfly shorter COS-gen mode unit test

3 years agofix new COSTABLE generator unit test,
Luke Kenneth Casson Leighton [Tue, 27 Jul 2021 13:31:05 +0000 (14:31 +0100)]
fix new COSTABLE generator unit test,
cross-reference it to transcendentals scalar version

3 years agofix up DCT modes for inner/outer butterfly,
Luke Kenneth Casson Leighton [Tue, 27 Jul 2021 13:27:41 +0000 (14:27 +0100)]
fix up DCT modes for inner/outer butterfly,
add new costables schedule and set up REMAP correctly

3 years agoargh, LD/ST using DS has to be computed differently.
Luke Kenneth Casson Leighton [Tue, 27 Jul 2021 13:20:57 +0000 (14:20 +0100)]
argh, LD/ST using DS has to be computed differently.
multiply DS by four, then compute SVP64 ELSTRIDE/UNITSTRIDE, then
*divide* DS by four afterwards
TODO, illegal instruction if the 2 LSBs are non-zero? does this ever occur?

3 years agofix errors in detection of ffmadds (etc), enabling FFT twin-regs moed
Luke Kenneth Casson Leighton [Tue, 27 Jul 2021 13:19:31 +0000 (14:19 +0100)]
fix errors in detection of ffmadds (etc), enabling FFT twin-regs moed
when it should not have been.  affected fcoss/fsins/fcfids

3 years agoclear persist bit if setvl explicitly called
Luke Kenneth Casson Leighton [Tue, 27 Jul 2021 12:03:55 +0000 (13:03 +0100)]
clear persist bit if setvl explicitly called

3 years agoadd new cos coefficient pre-computed and on-the-fly mode,
Luke Kenneth Casson Leighton [Tue, 27 Jul 2021 11:35:55 +0000 (12:35 +0100)]
add new cos coefficient pre-computed and on-the-fly mode,
reorganise DCT modes due to needing more bits

3 years agouse ydimsz as sub-mode in DCT/FFT butterfly
Luke Kenneth Casson Leighton [Mon, 26 Jul 2021 15:22:48 +0000 (16:22 +0100)]
use ydimsz as sub-mode in DCT/FFT butterfly

3 years agouse std not stw in transcendentals ld/st-convert test
Luke Kenneth Casson Leighton [Mon, 26 Jul 2021 15:22:26 +0000 (16:22 +0100)]
use std not stw in transcendentals ld/st-convert test

3 years agoadd dct cos 8 table test
Luke Kenneth Casson Leighton [Mon, 26 Jul 2021 14:57:07 +0000 (15:57 +0100)]
add dct cos 8 table test

3 years agoadd sv.fcoss SVP64Asm support
Luke Kenneth Casson Leighton [Sat, 24 Jul 2021 18:09:20 +0000 (19:09 +0100)]
add sv.fcoss SVP64Asm support

3 years agoadd DS-Form support for sv.std
Luke Kenneth Casson Leighton [Sat, 24 Jul 2021 18:08:53 +0000 (19:08 +0100)]
add DS-Form support for sv.std

3 years agoadded an extra SVP64 instruction, svstep, to replace setvl
Luke Kenneth Casson Leighton [Sat, 24 Jul 2021 16:43:09 +0000 (17:43 +0100)]
added an extra SVP64 instruction, svstep, to replace setvl
"get end state" mode

3 years agoadd experiment to convert int to float and multiply by PI etc.
Luke Kenneth Casson Leighton [Sat, 24 Jul 2021 12:06:47 +0000 (13:06 +0100)]
add experiment to convert int to float and multiply by PI etc.
for later use in DCT

3 years agoadd ability to get current SVSHAPE indices into a register,
Luke Kenneth Casson Leighton [Sat, 24 Jul 2021 10:43:23 +0000 (11:43 +0100)]
add ability to get current SVSHAPE indices into a register,
using setvl "Vertical First" test mode

3 years agocomments
Luke Kenneth Casson Leighton [Sat, 24 Jul 2021 09:59:28 +0000 (10:59 +0100)]
comments

3 years agoadd DCT unit test combining DCT inner and outer butterfly
Luke Kenneth Casson Leighton [Sat, 24 Jul 2021 07:31:16 +0000 (08:31 +0100)]
add DCT unit test combining DCT inner and outer butterfly

3 years agomake REMAP persistent (if persistence requested) even on svshape
Luke Kenneth Casson Leighton [Sat, 24 Jul 2021 07:30:45 +0000 (08:30 +0100)]
make REMAP persistent (if persistence requested) even on svshape

3 years agocreate schedule for calculating COS coefficient in DCT
Luke Kenneth Casson Leighton [Sat, 24 Jul 2021 06:59:10 +0000 (07:59 +0100)]
create schedule for calculating COS coefficient in DCT

3 years agoadd DCT outer butterfly iterative overlapping ADD schedule
Luke Kenneth Casson Leighton [Fri, 23 Jul 2021 17:29:43 +0000 (18:29 +0100)]
add DCT outer butterfly iterative overlapping ADD schedule