Jacob Lifshay [Tue, 9 May 2023 07:06:30 +0000 (00:06 -0700)]
FPSCR.FPRF can be assigned strings
Jacob Lifshay [Tue, 9 May 2023 07:05:30 +0000 (00:05 -0700)]
add XERState since XER has fields too
Jacob Lifshay [Tue, 9 May 2023 06:10:29 +0000 (23:10 -0700)]
fix some broken FieldSelectableInt handling
Luke Kenneth Casson Leighton [Sun, 7 May 2023 09:44:36 +0000 (10:44 +0100)]
comment TODO on Load-Fault in strncpy example
Luke Kenneth Casson Leighton [Sun, 7 May 2023 09:12:41 +0000 (10:12 +0100)]
add stub reset_xflags function
Dmitry Selyutin [Sun, 7 May 2023 08:13:46 +0000 (11:13 +0300)]
minor_19.csv: convert RA to RA0 for minmax
Luke Kenneth Casson Leighton [Sat, 6 May 2023 13:31:13 +0000 (14:31 +0100)]
add FPSCR to Test API (ExpectedState, SimState). untested
Luke Kenneth Casson Leighton [Sat, 6 May 2023 13:26:39 +0000 (14:26 +0100)]
add FPSCR to ISACaller
Luke Kenneth Casson Leighton [Sat, 6 May 2023 13:22:44 +0000 (14:22 +0100)]
notes: make FPSCR definition more like MSR (see openpower/consts.py)
Luke Kenneth Casson Leighton [Sat, 6 May 2023 13:21:04 +0000 (14:21 +0100)]
drastically simplify fpscr.py. extreme overcomplexity introducing
an entirely new paradigm - without discussion - creates a maintenance
headache we cannot afford
Luke Kenneth Casson Leighton [Sat, 6 May 2023 09:07:28 +0000 (10:07 +0100)]
add comment about why the new check has been added
Luke Kenneth Casson Leighton [Sat, 6 May 2023 09:02:43 +0000 (10:02 +0100)]
get table down to under 80 chars per line
Jacob Lifshay [Sat, 6 May 2023 03:38:22 +0000 (20:38 -0700)]
fix fpscr table parser error reporting
Jacob Lifshay [Sat, 6 May 2023 03:34:18 +0000 (20:34 -0700)]
add FPSCRState and FPSCRRecord and a FPSCR smoke-test
Jacob Lifshay [Fri, 5 May 2023 02:19:29 +0000 (19:19 -0700)]
add initial fmv/fcvt tests, though they're broken due to FPSCR being unimplemented
Jacob Lifshay [Fri, 5 May 2023 00:55:15 +0000 (17:55 -0700)]
add check that generated .py files are in .gitignore
Jacob Lifshay [Fri, 5 May 2023 00:34:27 +0000 (17:34 -0700)]
verify fields.txt forms' field separators ('|') line up with headers'
Konstantinos Margaritis [Thu, 4 May 2023 15:38:33 +0000 (15:38 +0000)]
merge maddrs/msubrs, unit tests changed accordingly
Konstantinos Margaritis [Thu, 4 May 2023 14:11:31 +0000 (14:11 +0000)]
Add 2 more instructions to help with 2-coeff butterfly
fdct_round_shift(a*c1 +/- b*c2)
They are to be used complementary to maddsubrs, so one can now
do this calculation in 3 instructions.
Added some unit tests to demonstrate the operation.
Konstantinos Margaritis [Mon, 1 May 2023 18:05:10 +0000 (18:05 +0000)]
use a simpler way to do the same thing
Konstantinos Margaritis [Sun, 30 Apr 2023 21:29:47 +0000 (21:29 +0000)]
Handle large 64-bit values, but only the low 64-bit half of the multiplication, add more tests
Konstantinos Margaritis [Sun, 30 Apr 2023 18:10:35 +0000 (18:10 +0000)]
do proper rounding, no rounding for SH=0 (for now), add tests
Konstantinos Margaritis [Sat, 29 Apr 2023 15:29:32 +0000 (15:29 +0000)]
Result needs rounding so add +1 to prod*
Konstantinos Margaritis [Fri, 28 Apr 2023 16:41:22 +0000 (16:41 +0000)]
handle negatives correctly by adding sign bit to final result
Konstantinos Margaritis [Fri, 28 Apr 2023 16:02:26 +0000 (16:02 +0000)]
almost there, positive values work, negative values differ by 1
Konstantinos Margaritis [Fri, 28 Apr 2023 11:48:48 +0000 (11:48 +0000)]
use proper register sizes
Konstantinos Margaritis [Fri, 28 Apr 2023 11:41:02 +0000 (11:41 +0000)]
MULS instead of MUL, RA instead of RT in in1
Konstantinos Margaritis [Fri, 28 Apr 2023 11:26:11 +0000 (11:26 +0000)]
Turns out DCTI-Form is another variant of A-Form
Konstantinos Margaritis [Fri, 28 Apr 2023 11:10:24 +0000 (11:10 +0000)]
minor fixes in pseudocode, CONST_UI->CONST_SH in minor_22.csv
Konstantinos Margaritis [Fri, 28 Apr 2023 09:46:45 +0000 (09:46 +0000)]
WIP: maddsubrs initial approach
Luke Kenneth Casson Leighton [Thu, 4 May 2023 14:16:06 +0000 (15:16 +0100)]
maddsubrs no longer has CR0
Jacob Lifshay [Thu, 4 May 2023 04:41:31 +0000 (21:41 -0700)]
fix forgotten stuff from last commit
Jacob Lifshay [Thu, 4 May 2023 04:27:06 +0000 (21:27 -0700)]
add fcvt/fmv -- no tests yet
Jacob Lifshay [Thu, 4 May 2023 04:25:42 +0000 (21:25 -0700)]
support calling functions with no args in pseudocode
Jacob Lifshay [Thu, 4 May 2023 04:15:45 +0000 (21:15 -0700)]
show actual mdwn source location in backtrace when parser raises SyntaxError
Jacob Lifshay [Thu, 4 May 2023 04:08:49 +0000 (21:08 -0700)]
move Assign to parser class in prep for improving syntax error reporting
Jacob Lifshay [Thu, 4 May 2023 01:55:29 +0000 (18:55 -0700)]
add all fmv*/fcvt* fields
Jacob Lifshay [Thu, 4 May 2023 01:48:46 +0000 (18:48 -0700)]
split XO-Form's RA field in prep for adding fcvttg[o][s]
also reformat cuz we can
Jacob Lifshay [Thu, 4 May 2023 01:13:13 +0000 (18:13 -0700)]
remove testing with INSNDB=true since that now does nothing different
Jacob Lifshay [Thu, 4 May 2023 01:08:46 +0000 (18:08 -0700)]
comment fmin*/fmax* since they're being replaced with fminmax and to make space for fmv/fcvt
Jacob Lifshay [Thu, 4 May 2023 01:04:36 +0000 (18:04 -0700)]
fix non-zero assembly operands being zero
Jacob Lifshay [Thu, 4 May 2023 00:13:24 +0000 (17:13 -0700)]
update SV csvs
Luke Kenneth Casson Leighton [Tue, 2 May 2023 18:53:45 +0000 (19:53 +0100)]
add links between decode and issue
Luke Kenneth Casson Leighton [Tue, 2 May 2023 18:49:50 +0000 (19:49 +0100)]
reserve writes in Issue Phase, add comment
Luke Kenneth Casson Leighton [Tue, 2 May 2023 18:20:42 +0000 (19:20 +0100)]
add Issue phase and writes/reads possible in CPU
Luke Kenneth Casson Leighton [Tue, 2 May 2023 18:02:03 +0000 (19:02 +0100)]
add Decode and CPU classes
Luke Kenneth Casson Leighton [Tue, 2 May 2023 17:53:15 +0000 (18:53 +0100)]
add quick preamble header
Luke Kenneth Casson Leighton [Tue, 2 May 2023 17:52:14 +0000 (18:52 +0100)]
update comments and correct retiring, remove registers that have been written
Luke Kenneth Casson Leighton [Tue, 2 May 2023 17:44:12 +0000 (18:44 +0100)]
start on cycle-accurate model of inorder core
Luke Kenneth Casson Leighton [Sun, 30 Apr 2023 19:08:19 +0000 (20:08 +0100)]
ffnmadds converted to 3-operand
Luke Kenneth Casson Leighton [Sun, 30 Apr 2023 19:07:04 +0000 (20:07 +0100)]
converted ffnmadds to 3-operand
Luke Kenneth Casson Leighton [Sun, 30 Apr 2023 19:00:53 +0000 (20:00 +0100)]
ffmsubs number of operands reduced to match ffmadds
Dmitry Selyutin [Sun, 30 Apr 2023 18:50:19 +0000 (21:50 +0300)]
power_insn: forbid zero for non-zero operands
Dmitry Selyutin [Sun, 30 Apr 2023 18:38:04 +0000 (21:38 +0300)]
power_insn: drop registers remapping hack
Dmitry Selyutin [Thu, 27 Apr 2023 19:08:39 +0000 (22:08 +0300)]
power_insn: support int and index opcode methods
Luke Kenneth Casson Leighton [Fri, 28 Apr 2023 15:40:49 +0000 (16:40 +0100)]
reduce number of operands to ffmadds as well
Jacob Lifshay [Fri, 28 Apr 2023 08:49:30 +0000 (01:49 -0700)]
prefix-sum remap works!
Jacob Lifshay [Fri, 28 Apr 2023 08:48:03 +0000 (01:48 -0700)]
change order to tuple in remap preduce tests/demos to match rest of simulator
Jacob Lifshay [Fri, 28 Apr 2023 08:47:12 +0000 (01:47 -0700)]
fix <u and >u with int arguments
Luke Kenneth Casson Leighton [Fri, 28 Apr 2023 07:53:40 +0000 (08:53 +0100)]
reduce fdmadds down to only 3 operands, RT-overwrite, to save on operand
space. it is still 3-in 2-out but FRC is now FRA
Luke Kenneth Casson Leighton [Thu, 27 Apr 2023 23:42:14 +0000 (00:42 +0100)]
add SVSHAPE setup for parallel/prefix but it refuses to work
correctly right now because SVyd is utterly borked. needs investigating
Luke Kenneth Casson Leighton [Thu, 27 Apr 2023 20:01:28 +0000 (21:01 +0100)]
add implicit rs detection for maddsubrs
Luke Kenneth Casson Leighton [Thu, 27 Apr 2023 09:23:27 +0000 (10:23 +0100)]
link in new parallel-prefix REMAP schedule
Jacob Lifshay [Thu, 27 Apr 2023 05:09:19 +0000 (22:09 -0700)]
add scan/prefix-sum support to copy of parallel-reduce remap iterator
Jacob Lifshay [Thu, 27 Apr 2023 02:27:58 +0000 (19:27 -0700)]
format remap_preduce_yield.py
Dmitry Selyutin [Wed, 26 Apr 2023 11:36:21 +0000 (14:36 +0300)]
power_insn: deprecate ff/pr common code
Dmitry Selyutin [Wed, 26 Apr 2023 11:31:56 +0000 (14:31 +0300)]
power_insn: deprecate PR specifier
Dmitry Selyutin [Wed, 26 Apr 2023 11:24:18 +0000 (14:24 +0300)]
power_insn: deprecate normal PR mode
Dmitry Selyutin [Wed, 26 Apr 2023 11:37:35 +0000 (14:37 +0300)]
pysvp64dis: deprecate pr tests
Dmitry Selyutin [Wed, 26 Apr 2023 11:37:25 +0000 (14:37 +0300)]
pysvp64asm: deprecate pr tests
Dmitry Selyutin [Wed, 26 Apr 2023 16:29:56 +0000 (19:29 +0300)]
power_enums: sync forms
Luke Kenneth Casson Leighton [Tue, 25 Apr 2023 17:36:31 +0000 (18:36 +0100)]
add CW and CW2 Form
needed for both #1035 and #1067
Luke Kenneth Casson Leighton [Sat, 15 Apr 2023 16:32:29 +0000 (17:32 +0100)]
check RC1, add data-dependent fail-first LD/ST test
Jacob Lifshay [Tue, 25 Apr 2023 06:49:19 +0000 (23:49 -0700)]
replace min/max[su][.] with minmax[.]
Jacob Lifshay [Tue, 25 Apr 2023 06:47:20 +0000 (23:47 -0700)]
add unofficial and comment2 columns to minor_19.csv
Jacob Lifshay [Tue, 25 Apr 2023 06:45:18 +0000 (23:45 -0700)]
add MM-form
Jacob Lifshay [Tue, 25 Apr 2023 06:15:11 +0000 (23:15 -0700)]
fix bug where pseudo-code assignments modify more than just the variable being assigned to
Jacob Lifshay [Fri, 21 Apr 2023 03:23:48 +0000 (20:23 -0700)]
rename/convert/merge XLCASTU/XLCASTS to EXTZXL/EXTSXL
Jacob Lifshay [Fri, 21 Apr 2023 03:15:48 +0000 (20:15 -0700)]
rewrite all uses of XLCASTU/XLCASTS
Jacob Lifshay [Fri, 21 Apr 2023 03:13:57 +0000 (20:13 -0700)]
add EXTZ since it's in PowerISA v3.1B (see lbz for an example)
Jacob Lifshay [Thu, 20 Apr 2023 04:00:51 +0000 (21:00 -0700)]
fix EXTSXL/XLCASTU/XLCASTS when inputs are python ints
Jacob Lifshay [Thu, 20 Apr 2023 03:36:09 +0000 (20:36 -0700)]
use proper cast function
Jacob Lifshay [Thu, 20 Apr 2023 01:12:32 +0000 (18:12 -0700)]
change XLEN-ification
See bug #1064
Jacob Lifshay [Thu, 20 Apr 2023 00:58:19 +0000 (17:58 -0700)]
change extsb/h/w to scale based on XLEN rather than extending from a fixed width
See https://bugs.libre-soc.org/show_bug.cgi?id=1061
Jacob Lifshay [Tue, 18 Apr 2023 04:26:00 +0000 (21:26 -0700)]
add shaddw
Jacob Lifshay [Tue, 18 Apr 2023 04:25:40 +0000 (21:25 -0700)]
spelling fix
Dmitry Selyutin [Wed, 12 Apr 2023 18:16:18 +0000 (21:16 +0300)]
media: migrate to binutils
Dmitry Selyutin [Mon, 10 Apr 2023 16:11:23 +0000 (19:11 +0300)]
sv_binutils: fix broken script
Luke Kenneth Casson Leighton [Thu, 6 Apr 2023 12:26:20 +0000 (13:26 +0100)]
add power_decode_svp64_rm.py capability for new LD/ST format
https://bugs.libre-soc.org/show_bug.cgi?id=1047
Luke Kenneth Casson Leighton [Tue, 4 Apr 2023 15:10:02 +0000 (16:10 +0100)]
add quick test_pysvp64dis.py of LD/ST data-dependent fail-first
Luke Kenneth Casson Leighton [Tue, 4 Apr 2023 14:26:49 +0000 (15:26 +0100)]
https://bugs.libre-soc.org/show_bug.cgi?id=1047
start sorting out power_insn.py to conform to new LD/ST spec.
Data-Dependent Fail-First gets top priority, pred-result is dropped,
saturation removed from LDST-IDX leaving space for "els" to be added
with its own bit
Luke Kenneth Casson Leighton [Tue, 4 Apr 2023 13:18:02 +0000 (14:18 +0100)]
whitespace cleanup (80 char per line hard limit)
Luke Kenneth Casson Leighton [Tue, 4 Apr 2023 13:02:13 +0000 (14:02 +0100)]
comment about massive unnecessary code-duplication that should not
have been done in the way it was, but it is a good step along the right
lines because it a gets the job done by b producing the right answers
that c get us to the simplified path in an incremental fashion.
am adding this note in the source code to make sure that readers are aware
Luke Kenneth Casson Leighton [Tue, 4 Apr 2023 12:48:30 +0000 (13:48 +0100)]
fix setvl unit test which happened to use deprecated
DCT schedule
Jacob Lifshay [Thu, 30 Mar 2023 07:55:20 +0000 (00:55 -0700)]
fix add-like CA/OV outputs
this is a massive kludge, but that's what lkcl requested due to time constraints
Jacob Lifshay [Thu, 30 Mar 2023 07:54:22 +0000 (00:54 -0700)]
fix broken test case
forgot to set the expected value to the input value for inputs that aren't outputs
Jacob Lifshay [Thu, 30 Mar 2023 07:02:56 +0000 (00:02 -0700)]
add addex to simulator
works, except it has incorrect CA/OV outputs, which I'll fix as part of fixing all add-like ops
Jacob Lifshay [Thu, 30 Mar 2023 05:00:43 +0000 (22:00 -0700)]
fix typo when getting pseudo-code output variables
Jacob Lifshay [Thu, 30 Mar 2023 04:38:02 +0000 (21:38 -0700)]
switch to testing Rc=1 variants
Jacob Lifshay [Thu, 30 Mar 2023 04:30:53 +0000 (21:30 -0700)]
fix `neg[o].` causing the simulator to raise TypeError