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Tune BEAM instructions for the new compiler (part 1)
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The is_nonempty_list test is very frequently followed by
get_tl, and frequently followed by get_hd.
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It turns out that the combination of is_nonempty_list
and test_heap is no longer frequent.
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The test_arity instruction is often followed by get_tuple_element.
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`swap x y` is rarely or never used. I found a single use of
`swap_temp x y x` in the sample of modules compiled by
`scripts/diffable`.
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Of the `move_dup` instructions, only `move_dup x x x` was
frequently used. Remove the other register combinations.
With those instruction `move_dup` instructions removed, it
is necessary to add new predicates to avoid unsafe translation
to `move_shift` and `move2_par`.
Also add additional transformations to transform more `move`
instructions into `move2_par`. The existing transformation
would require the `move` instructions to be in the "right"
order in order to be transformed.
Remove `move3 x y x y x y` because it turns out to be rarely
executed.
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flockfile(3c) and friends are hidden behind the __EXTENSIONS__
feature macro.
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inet_drv adds some arcane #defines to get SCTP working, which may
end up disabling madvise(2) locally in that file, breaking the
build in the process.
This commit disables madvise(2) altogether on Solaris as it's
far simpler than undoing the define dance in erl_mmap.h.
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OTP-15633
* siri/rsh-ssh/PR-1787:
Fix some missed comments about rsh
Document the restrictions on the -rsh command
Use ssh as the default remote shell
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Make iolist_size/1 yield
OTP-15631
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The iolist_size/1 function did not yield even if the input list was
very long and a call to the function did only consume a single
reduction. This commit fixes these problems.
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OTP-15621 OTP-15622
* rickard/deprecations-removals:
Document deprecations and removals
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* maint:
erts: Fix macro redefinition
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LIST_NEXT and LIST_PREV causes macro redefinitions from other include files.
beam/erl_ao_firstfit_alloc.c:103:9: warning: 'LIST_NEXT' macro redefined [-Wmacro-redefined]
^
/usr/include/sys/queue.h:507:9: note: previous definition is here
^
1 warning generated.
beam/erl_bestfit_alloc.c:125:9: warning: 'LIST_NEXT' macro redefined [-Wmacro-redefined]
^
/usr/include/sys/queue.h:507:9: note: previous definition is here
^
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Some cleanup (of open, bind, connect) and rewrote the
accept code (moved the code into smaller functions).
OTP-14831
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Better handling of socket close. The 'closeRef' needed
its own environment to make if work in both cases (both
called and scheduled).
Also Introduced the enif select wrapper functions (read,
write, stop and cancel). Also add error handling at every
time one of these functions are called.
OTP-14831
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Add 'since' tag to the module and func elements.
OTP-14831
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Another broken anchor fixed. The type 'ipv6_pktinfo' was
not exported nor was it part of the doc.
OTP-14831
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Had for some reason forgot to update the (erts)
preloaded app-file.
OTP-14831
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Fixed broken links to types and functions.
OTP-14831
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Fixed a raise condition bug in the socket_stop (callback)
function that could result in the socket actually *not*
beeing closed.
OTP-14831
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Add the 'depricated' attribute for the old (and decrepit)
functions from the old net module.
OTP-14831
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Corrected linking references (links) to functions.
Also added links from getopt/setopt functions to
the users guide.
Also added some comments to the socket module regarding
open with (ready made) descriptor (which is not yet
supported).
OTP-14831
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Assert failed in enif_demonitor when called with "NULL-monitor".
Replaced null monitor with separate 'is_active' boolean
and added my_make_monitor_term for printing (to be replaced
with enif_make_monitor_term).
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Asserts failed in debug vm as msg term was built
from mixed ErlNifEnv's.
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Add preliminary (option) table captions.
OTP-14831
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Add a bit more text in the (socket) module description.
Also added a (very) basic example.
OTP-14831
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Add a quiet mode for ttest which is used when running in
a (terminal) shell.
Moved the esock-ttest script(s) into their own directory.
Minor improvements to the (client) result printout.
Also fixed copyright (end) dates.
OTP-14831
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Fixed how to figure out local address on macOS Mojave.
OTP-14831
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and collapsed some duplicate code
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as called in crypto.erl and erlang.erl.
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Add enif_set_pid_undefined & enif_is_pid_undefined
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'lukas/erts/fragment-dist-messages/OTP-13397/OTP-15610/OTP-15611/OTP-15612/OTP-15613'
* lukas/erts/fragment-dist-messages/OTP-13397/OTP-15610/OTP-15611/OTP-15612/OTP-15613:
erts: Add debug dist obuf memory leak check
win32: Fix ./otp_build debuginfo_win32
Make ld.sh on windows print better error reason
erts: Fix so that externals with creation 0 compare equal to all
erts: Expand etp to look for free processes
erts: Implement trapping while sending distr exit/down
erts: Add ERL_NODE_BOOKKEEP to node tables refc
erts: Refactor ErtsSendContext to be ErtsDSigSendContext
erts: Add distr testcases for fragmentation
erts: Make remote send of exit/2 trap
erts: Implement fragmentation of distrubution messages
erts: Expand distribution protocol documentation
erts: Move reason in dist messages to payload
erts: Remove a copy of distribution data payload
erts: Yield later during process exit and allow free procs to run
erts: Refactor rbt _yielding to use reductions
erts: Limit binary printout for %.XT in erts_print
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The special creation of 0 is used by internally created externals,
such as when list_to_pid is called. This creation should compare
equal to all externals creations of that external. If it does not
we can end up in very strange scenarios. For instance:
> P = spawn(OtherNode, fun() -> die end).
<8303.60.0>
> link(<8303.60.0>).
true
> flush().
ok
OTP-15613
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The reason in EXIT and DOWN may be arbitrarily large,
so we yield and allow other processes to execute while
encoding and sending the signals over the distribution.
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