openpower-isa.git
11 months agospeed up CI by disabling logging and VCD generation
Jacob Lifshay [Thu, 30 Nov 2023 22:21:36 +0000 (14:21 -0800)]
speed up CI by disabling logging and VCD generation

11 months agotest/runner: allow disabling VCD using SIM_NO_VCD=1 env var
Jacob Lifshay [Thu, 30 Nov 2023 22:20:54 +0000 (14:20 -0800)]
test/runner: allow disabling VCD using SIM_NO_VCD=1 env var

11 months agopowmod asm tests pass!
Jacob Lifshay [Tue, 17 Oct 2023 05:22:50 +0000 (22:22 -0700)]
powmod asm tests pass!

11 months agoswitch powmod to using new divmod implementation -- test not enabled yet
Jacob Lifshay [Mon, 16 Oct 2023 23:09:07 +0000 (16:09 -0700)]
switch powmod to using new divmod implementation -- test not enabled yet

11 months agocall log, not print
Jacob Lifshay [Mon, 16 Oct 2023 23:08:44 +0000 (16:08 -0700)]
call log, not print

11 months agomake parser work for pypy
Jacob Lifshay [Mon, 16 Oct 2023 22:39:17 +0000 (15:39 -0700)]
make parser work for pypy

pypy's ast classes' constructors seem to only work if all arguments or
no arguments are passed, not only some of them.

11 months agoadd comments telling people to keep the asm and python versions in sync
Jacob Lifshay [Mon, 16 Oct 2023 04:17:09 +0000 (21:17 -0700)]
add comments telling people to keep the asm and python versions in sync

11 months agodivmod: asm version of Knuth's algorithm D works!
Jacob Lifshay [Mon, 16 Oct 2023 04:06:02 +0000 (21:06 -0700)]
divmod: asm version of Knuth's algorithm D works!

11 months agoadd labels to DIVMOD REGEX log
Jacob Lifshay [Mon, 16 Oct 2023 03:59:36 +0000 (20:59 -0700)]
add labels to DIVMOD REGEX log

11 months agoput DIVMOD REGEX under new LogType: LogType.OutputMatching
Jacob Lifshay [Mon, 16 Oct 2023 03:54:12 +0000 (20:54 -0700)]
put DIVMOD REGEX under new LogType: LogType.OutputMatching

11 months agoWIP divmod: finished writing out asm knuth's algorithm d, still buggy
Jacob Lifshay [Fri, 13 Oct 2023 22:13:15 +0000 (15:13 -0700)]
WIP divmod: finished writing out asm knuth's algorithm d, still buggy

11 months agoWIP getting asm version of knuth's algorithm d working
Jacob Lifshay [Thu, 12 Oct 2023 03:29:51 +0000 (20:29 -0700)]
WIP getting asm version of knuth's algorithm d working

11 months agoWIP divmod: implemented division by single word
Jacob Lifshay [Wed, 11 Oct 2023 05:07:17 +0000 (22:07 -0700)]
WIP divmod: implemented division by single word

11 months agosupport ignoring integer registers for ExpectedState
Jacob Lifshay [Wed, 11 Oct 2023 05:05:49 +0000 (22:05 -0700)]
support ignoring integer registers for ExpectedState

11 months agoconvert assigned values to SVSHAPE when writing to SVSHAPE[0-3] SPRs
Jacob Lifshay [Wed, 11 Oct 2023 05:03:38 +0000 (22:03 -0700)]
convert assigned values to SVSHAPE when writing to SVSHAPE[0-3] SPRs

this makes mtspr SVSHAPE0, reg properly maintain ISACaller invariants

11 months agoadd WIP Knuth's algorithm D assembly
Jacob Lifshay [Tue, 10 Oct 2023 04:05:17 +0000 (21:05 -0700)]
add WIP Knuth's algorithm D assembly

11 months agodivmod: assign registers to variables
Jacob Lifshay [Tue, 10 Oct 2023 03:38:30 +0000 (20:38 -0700)]
divmod: assign registers to variables

11 months agoadapt divmod algorithm for putting variables in registers
Jacob Lifshay [Tue, 10 Oct 2023 03:35:40 +0000 (20:35 -0700)]
adapt divmod algorithm for putting variables in registers

11 months agoadd more features for _DivModRegsRegexLogger
Jacob Lifshay [Tue, 10 Oct 2023 03:30:43 +0000 (20:30 -0700)]
add more features for _DivModRegsRegexLogger

11 months agofinish moving Knuth algorithm D into a class
Jacob Lifshay [Tue, 10 Oct 2023 01:25:43 +0000 (18:25 -0700)]
finish moving Knuth algorithm D into a class

11 months agomerely indent function
Jacob Lifshay [Tue, 10 Oct 2023 01:21:40 +0000 (18:21 -0700)]
merely indent function

[skip ci]

11 months agostart adding DivModKnuthAlgorithmD class
Jacob Lifshay [Tue, 10 Oct 2023 01:19:25 +0000 (18:19 -0700)]
start adding DivModKnuthAlgorithmD class

11 months agoformat code
Jacob Lifshay [Tue, 10 Oct 2023 01:18:28 +0000 (18:18 -0700)]
format code

11 months agofinish writing python_divmod_knuth_algorithm_d
Jacob Lifshay [Mon, 9 Oct 2023 04:46:57 +0000 (21:46 -0700)]
finish writing python_divmod_knuth_algorithm_d

11 months agofix generating invalid divmod tests
Jacob Lifshay [Mon, 9 Oct 2023 04:46:14 +0000 (21:46 -0700)]
fix generating invalid divmod tests

11 months agospeed up divmod shift-sub tests by removing most test cases
Jacob Lifshay [Mon, 9 Oct 2023 04:43:00 +0000 (21:43 -0700)]
speed up divmod shift-sub tests by removing most test cases

11 months agoadd WIP knuth algorithm D python implementation
Jacob Lifshay [Sat, 7 Oct 2023 00:08:35 +0000 (17:08 -0700)]
add WIP knuth algorithm D python implementation

11 months agorename divmod algorithm -> divmod_shift_sub in prep for adding divmod based on Knuth...
Jacob Lifshay [Fri, 6 Oct 2023 22:21:07 +0000 (15:21 -0700)]
rename divmod algorithm -> divmod_shift_sub in prep for adding divmod based on Knuth's Algorithm D

11 months agoadd WIP powmod_256 -- asm test is currently disabled since divmod is too slow
Jacob Lifshay [Fri, 6 Oct 2023 02:57:29 +0000 (19:57 -0700)]
add WIP powmod_256 -- asm test is currently disabled since divmod is too slow

11 months agofix assemble to properly look for whole symbols to replace
Jacob Lifshay [Fri, 6 Oct 2023 02:53:45 +0000 (19:53 -0700)]
fix assemble to properly look for whole symbols to replace

previously if there were labels foo and foobar, it would partially
replace foobar giving 0x<addr>bar, which is wrong.

also optimized to use dict instead of linear search for label names

11 months agobug 672: remove redundant/incorrect comment in pospopcount
Luke Kenneth Casson Leighton [Tue, 5 Dec 2023 14:45:37 +0000 (14:45 +0000)]
bug 672: remove redundant/incorrect comment in pospopcount

11 months agobug 672: pospopcount, cleanup, no functional change
Luke Kenneth Casson Leighton [Fri, 1 Dec 2023 09:05:12 +0000 (09:05 +0000)]
bug 672: pospopcount, cleanup, no functional change

11 months agobug 672: pospopcount, correct NGI Grant
Luke Kenneth Casson Leighton [Thu, 30 Nov 2023 15:26:00 +0000 (15:26 +0000)]
bug 672: pospopcount, correct NGI Grant

11 months agowhitespace in pseudocode to aid clarity
Luke Kenneth Casson Leighton [Thu, 30 Nov 2023 03:03:14 +0000 (03:03 +0000)]
whitespace in pseudocode to aid clarity

11 months agobug #672: more code-comments
Luke Kenneth Casson Leighton [Wed, 29 Nov 2023 19:43:26 +0000 (19:43 +0000)]
bug #672: more code-comments

11 months agocomments
Luke Kenneth Casson Leighton [Wed, 29 Nov 2023 19:41:22 +0000 (19:41 +0000)]
comments

11 months agobug #672: shorten pospopcount further
Luke Kenneth Casson Leighton [Wed, 29 Nov 2023 19:36:17 +0000 (19:36 +0000)]
bug #672: shorten pospopcount further

by setting VL=MVL=8 the sv.popcntd/sw=8 will wipe out the unused destinations
to zeros, so no need to clear them manually. loses one additional instruction

11 months agobug #672: pospopcount working with large arrays
Luke Kenneth Casson Leighton [Wed, 29 Nov 2023 19:29:12 +0000 (19:29 +0000)]
bug #672: pospopcount working with large arrays

pospopcount is supposed to be able to handle long arrays of data,
but it turns out that sv.lbzu/pi/dw=8 was calculating an EA in 8-bit,
meaning that it wrapped around to a zero memory address.
now this is resolved the code which has been made shorter actually works

11 months agobug #672: pospopcount using sv.lbzu/pi/dw=8 error
Luke Kenneth Casson Leighton [Wed, 29 Nov 2023 19:27:23 +0000 (19:27 +0000)]
bug #672: pospopcount using sv.lbzu/pi/dw=8 error

COMPLEX! this turns out to be a spec violation where RA (EA)
*must* be treated as 64-bit *NOT* have its width overridden
just because destination elwidth is set to 8-bit.
* source elwidth is supposed to apply to STORE
* dest elwidth is supposed to apply to LOAD
but those are MEMORY DATA not memory ADDRESSes they are
supposed to apply to.

TODO, most likely LDST_IDX needs fixing (RB may also need
an elwidth cancellation/override, have to check the spec)

11 months agobug #672: shorter pospopcount but not fully working
Luke Kenneth Casson Leighton [Wed, 29 Nov 2023 15:06:18 +0000 (15:06 +0000)]
bug #672: shorter pospopcount but not fully working

variant on pospopcount but when 241 array items instead of 240 are used
it produces the wrong answer. under investigation

11 months agoISACaller/parser: kludge: support (RA|0) when elwidth != 64
Jacob Lifshay [Wed, 29 Nov 2023 06:13:25 +0000 (22:13 -0800)]
ISACaller/parser: kludge: support (RA|0) when elwidth != 64

https://bugs.libre-soc.org/show_bug.cgi?id=1221

11 months agoisatables: update generated csvs
Jacob Lifshay [Wed, 29 Nov 2023 06:12:17 +0000 (22:12 -0800)]
isatables: update generated csvs

11 months agobug #672: pospopcount finally got the right answer
Luke Kenneth Casson Leighton [Tue, 28 Nov 2023 22:45:42 +0000 (22:45 +0000)]
bug #672: pospopcount finally got the right answer

forgot to add popcntd initially, lots of futzing around, still work to do
but it gives a correct answer now

11 months agobug #672: fixing pospopcount assembler
Luke Kenneth Casson Leighton [Tue, 28 Nov 2023 21:03:43 +0000 (21:03 +0000)]
bug #672: fixing pospopcount assembler

there is a lot going on here, this is pushing the boundaries of
what ISAcaller can do (or hasnt been asked to do... until now)
* gbbd (gather bits and bytes double) had to be added
* sw=8,dw=64 had to be fixed (XLEN is actually 64 there
  but source elements have to be ZERO-EXTENDED...)
* a bug in sv.addi/sw=8 was found
  https://bugs.libre-soc.org/show_bug.cgi?id=1221
* some changes to setvl have to be made/written (!)
* sv.bc in CTR-reduction mode needs to potentially be fixed
  or at least properly examined

11 months agofix elwidth overrides when sw=8
Luke Kenneth Casson Leighton [Tue, 28 Nov 2023 20:41:01 +0000 (20:41 +0000)]
fix elwidth overrides when sw=8
the way that XLEN works is it must be MAX(sw,dw) which is not what
was happening, it was fixed at sw (source width)

11 months agoadd gbbd (bmatflip) test case - just the one for now
Luke Kenneth Casson Leighton [Mon, 27 Nov 2023 13:55:53 +0000 (13:55 +0000)]
add gbbd (bmatflip) test case - just the one for now

11 months agowhitespace
Luke Kenneth Casson Leighton [Mon, 27 Nov 2023 13:45:12 +0000 (13:45 +0000)]
whitespace

11 months agoadd gbbd to minor_22.csv, add OP_BMAT to power_enums.py
Luke Kenneth Casson Leighton [Mon, 27 Nov 2023 13:29:18 +0000 (13:29 +0000)]
add gbbd to minor_22.csv, add OP_BMAT to power_enums.py

11 months agoadd first gather instruction pseudocode
Luke Kenneth Casson Leighton [Mon, 27 Nov 2023 13:14:43 +0000 (13:14 +0000)]
add first gather instruction pseudocode

11 months agogot sv.bc working for pospopcount
Luke Kenneth Casson Leighton [Mon, 27 Nov 2023 10:08:43 +0000 (10:08 +0000)]
got sv.bc working for pospopcount

11 months agotry ctrtest mode in pospopcount
Luke Kenneth Casson Leighton [Mon, 27 Nov 2023 09:47:29 +0000 (09:47 +0000)]
try ctrtest mode in pospopcount

11 months agoreduce indentation
Luke Kenneth Casson Leighton [Thu, 23 Nov 2023 07:03:49 +0000 (07:03 +0000)]
reduce indentation

11 months agostarting on pospopcount assembler
Luke Kenneth Casson Leighton [Tue, 21 Nov 2023 17:40:27 +0000 (17:40 +0000)]
starting on pospopcount assembler

11 months agoadd cut/paste copy of strncpy example as basis for pospopcount
Luke Kenneth Casson Leighton [Tue, 21 Nov 2023 12:39:28 +0000 (12:39 +0000)]
add cut/paste copy of strncpy example as basis for pospopcount
https://bugs.libre-soc.org/show_bug.cgi?id=672

11 months agofix vertical-first sv.bc 1210-attempt-to-fix-vf-sv.bc
Jacob Lifshay [Tue, 21 Nov 2023 01:45:23 +0000 (17:45 -0800)]
fix vertical-first sv.bc

https://bugs.libre-soc.org/show_bug.cgi?id=1210

11 months agoAdded sv.bc in vertical-first test
Andrey Miroshnikov [Fri, 17 Nov 2023 14:55:52 +0000 (14:55 +0000)]
Added sv.bc in vertical-first test

11 months agoadd Z-23 to RT FRS FRT
Luke Kenneth Casson Leighton [Fri, 17 Nov 2023 15:42:07 +0000 (15:42 +0000)]
add Z-23 to RT FRS FRT

11 months agoAdded English language description for stdupsx instruction
Shriya Sharma [Fri, 17 Nov 2023 15:38:47 +0000 (15:38 +0000)]
Added English language description for stdupsx instruction

11 months agoAdded English language description for sthupsx instruction
Shriya Sharma [Fri, 17 Nov 2023 15:38:13 +0000 (15:38 +0000)]
Added English language description for sthupsx instruction

11 months agoAdded English language description for sthupsx instruction
Shriya Sharma [Fri, 17 Nov 2023 15:36:11 +0000 (15:36 +0000)]
Added English language description for sthupsx instruction

11 months agoAdded English language description for stbupsx instruction
Shriya Sharma [Fri, 17 Nov 2023 15:35:39 +0000 (15:35 +0000)]
Added English language description for stbupsx instruction

11 months agoAdded English language description for ldupsx instruction
Shriya Sharma [Fri, 17 Nov 2023 15:34:20 +0000 (15:34 +0000)]
Added English language description for ldupsx instruction

11 months agoadd RS/FRT/FRS to Z-23 Form for ls004
Luke Kenneth Casson Leighton [Fri, 17 Nov 2023 15:30:33 +0000 (15:30 +0000)]
add RS/FRT/FRS to Z-23 Form for ls004
https://bugs.libre-soc.org/show_bug.cgi?id=1055

11 months agoAdded English language description for lwaupsx instruction
Shriya Sharma [Fri, 17 Nov 2023 15:33:42 +0000 (15:33 +0000)]
Added English language description for lwaupsx instruction

11 months agoAdded English language description for lwzupsx instruction
Shriya Sharma [Fri, 17 Nov 2023 15:32:56 +0000 (15:32 +0000)]
Added English language description for lwzupsx instruction

11 months agoAdded English language description for lhaupsx instruction
Shriya Sharma [Fri, 17 Nov 2023 15:32:18 +0000 (15:32 +0000)]
Added English language description for lhaupsx instruction

11 months agoAdded English language description for lhzupsx instruction
Shriya Sharma [Fri, 17 Nov 2023 15:31:08 +0000 (15:31 +0000)]
Added English language description for lhzupsx instruction

11 months agochange ld/st shift to Z23-Form
Luke Kenneth Casson Leighton [Fri, 17 Nov 2023 15:27:48 +0000 (15:27 +0000)]
change ld/st shift to Z23-Form

11 months agoAdded English language description for lfdupsx instruction
Shriya Sharma [Fri, 17 Nov 2023 15:29:12 +0000 (15:29 +0000)]
Added English language description for lfdupsx instruction

11 months agoAdded English language description for lbzupsx instruction
Shriya Sharma [Fri, 17 Nov 2023 15:27:31 +0000 (15:27 +0000)]
Added English language description for lbzupsx instruction

11 months agoAdded English language description for stfdux instruction
Shriya Sharma [Fri, 17 Nov 2023 15:24:36 +0000 (15:24 +0000)]
Added English language description for stfdux instruction

11 months agoadd comment/header on ld/st shift instructions
Luke Kenneth Casson Leighton [Fri, 17 Nov 2023 15:20:37 +0000 (15:20 +0000)]
add comment/header on ld/st shift instructions

11 months agoAdded English language description for lfdupsx instruction
Shriya Sharma [Fri, 17 Nov 2023 15:22:08 +0000 (15:22 +0000)]
Added English language description for lfdupsx instruction

12 months agoTest case (all same nos) for maxloc
Shriya Sharma [Fri, 17 Nov 2023 13:11:09 +0000 (13:11 +0000)]
Test case (all same nos) for maxloc

12 months agoadd asserts to check results
Luke Kenneth Casson Leighton [Fri, 17 Nov 2023 13:02:10 +0000 (13:02 +0000)]
add asserts to check results

12 months agowhitespace
Luke Kenneth Casson Leighton [Fri, 17 Nov 2023 13:01:22 +0000 (13:01 +0000)]
whitespace

12 months agoTest case (all zeroes) for maxloc
Shriya Sharma [Fri, 17 Nov 2023 12:02:01 +0000 (12:02 +0000)]
Test case (all zeroes) for maxloc

12 months agomsr and svstate default to None in TestCase, they're replaced with actual values...
Jacob Lifshay [Thu, 16 Nov 2023 03:31:32 +0000 (19:31 -0800)]
msr and svstate default to None in TestCase, they're replaced with actual values in ISACaller

12 months agono point defining nm=-1
Luke Kenneth Casson Leighton [Wed, 15 Nov 2023 14:34:38 +0000 (14:34 +0000)]
no point defining nm=-1

12 months agoadd 2nd maxloc case
Luke Kenneth Casson Leighton [Wed, 15 Nov 2023 14:33:03 +0000 (14:33 +0000)]
add 2nd maxloc case

12 months agomove maxloc to isacaller directory
Luke Kenneth Casson Leighton [Wed, 15 Nov 2023 14:18:20 +0000 (14:18 +0000)]
move maxloc to isacaller directory

12 months agopython conversion of maxloc.c
Luke Kenneth Casson Leighton [Wed, 15 Nov 2023 14:17:09 +0000 (14:17 +0000)]
python conversion of maxloc.c

12 months agoadd TRAP docs programmerjake/bug-1177
Jacob Lifshay [Thu, 9 Nov 2023 02:27:34 +0000 (18:27 -0800)]
add TRAP docs

12 months agomisc fixes for fallout of copying insn inputs
Jacob Lifshay [Tue, 7 Nov 2023 04:54:52 +0000 (20:54 -0800)]
misc fixes for fallout of copying insn inputs

12 months agoSystem Call Interrupts do *not* set SRR1[TRAP]
Jacob Lifshay [Tue, 7 Nov 2023 04:38:18 +0000 (20:38 -0800)]
System Call Interrupts do *not* set SRR1[TRAP]

See PowerISA v3.1B Book III 7.5.14

12 months agosupport TRAP being called without setting a trap_bit
Jacob Lifshay [Tue, 7 Nov 2023 04:37:07 +0000 (20:37 -0800)]
support TRAP being called without setting a trap_bit

12 months agoonly write outputs that have .ok == True
Jacob Lifshay [Tue, 7 Nov 2023 04:54:05 +0000 (20:54 -0800)]
only write outputs that have .ok == True

12 months agouse create_full_args to generate insn arg list
Jacob Lifshay [Tue, 7 Nov 2023 04:49:19 +0000 (20:49 -0800)]
use create_full_args to generate insn arg list

12 months agoadd SelectableInt.ok
Jacob Lifshay [Tue, 7 Nov 2023 04:46:03 +0000 (20:46 -0800)]
add SelectableInt.ok

12 months agohelper for one-source-of-truth for insn argument list for ISACaller and parser
Jacob Lifshay [Tue, 7 Nov 2023 04:43:13 +0000 (20:43 -0800)]
helper for one-source-of-truth for insn argument list for ISACaller and parser

12 months agocopy_assign_rhs must retain subclasses of SelectableInt
Jacob Lifshay [Tue, 7 Nov 2023 04:41:11 +0000 (20:41 -0800)]
copy_assign_rhs must retain subclasses of SelectableInt

12 months agolog load/stores to InstrInOuts
Jacob Lifshay [Mon, 6 Nov 2023 02:14:29 +0000 (18:14 -0800)]
log load/stores to InstrInOuts

12 months agoformat code
Jacob Lifshay [Thu, 2 Nov 2023 01:36:10 +0000 (18:36 -0700)]
format code

12 months agomisc AST correctness fixes
Jacob Lifshay [Wed, 1 Nov 2023 05:50:40 +0000 (22:50 -0700)]
misc AST correctness fixes

12 months agofix maxloc
Luke Kenneth Casson Leighton [Tue, 14 Nov 2023 11:58:09 +0000 (11:58 +0000)]
fix maxloc

12 months agoadd debug print
Luke Kenneth Casson Leighton [Wed, 8 Nov 2023 20:25:09 +0000 (20:25 +0000)]
add debug print

12 months agowhoole stack of whitespace corrections
Luke Kenneth Casson Leighton [Wed, 8 Nov 2023 20:21:42 +0000 (20:21 +0000)]
whoole stack of whitespace corrections

12 months agomore crap removed
Luke Kenneth Casson Leighton [Wed, 8 Nov 2023 20:17:54 +0000 (20:17 +0000)]
more crap removed

12 months agoremove unnecessary cruft from Makefile
Luke Kenneth Casson Leighton [Wed, 8 Nov 2023 20:14:32 +0000 (20:14 +0000)]
remove unnecessary cruft from Makefile

12 months agoRemoved unused include: bug #676
Andrey Miroshnikov [Wed, 8 Nov 2023 16:37:57 +0000 (16:37 +0000)]
Removed unused include: bug #676