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The new compiler required adding support for Y register for all
binary matching instructions. That was (intentionally) done in a
naive way that simplicated duplicated the entire body of each
instruction.
Now it's time to be less naive. Rewrite the binary matching
instructions using micro instructions. Because some of the binary
instructions are huge, that will significantly decrease the size of
process_main().
When compiling with clang, a huge process_main() would mess up
profile-guide optimization resulting in a significant performance
degradation. On my Mac, profile-guide optimzation would decrease
the estone benchmark by 100K estones (about 20 percent). This commit
gives me back the lost estones.
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Mark the obsoleted instructions bs_start_match2, bs_save2, bs_restore2, and
bs_context_to_binary as cold.
Remove support of a Y operand for bs_save2 and bs_restore2.
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get_tuple_element with an Y register has become more frequent with
the new compiler.
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The compiler used to generate "move Literal y(Y)" instructions very
rarely. Therefore, there was a transformation to avoid having a "move
c y" instruction.
With the new compiler, "move Literal y(Y)" instructions are relatively frequent, so we will need a "move c y" instruction.
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Replace the won function for pid compare with the
(new) enif_compare_pids function.
OTP-15565
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Add some more comments in order to increase readability.
OTP-15565
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Implemented the activate_next function and added its
"users" acceptor, writer and reader (macro abuse).
After a request (accept, write or send) has been either
successfully completed or failed, another request should
be activated. Previously only one attempt was made, which
might leave the other (waiting) requestors hanging.
Now, instead we use a 'activate-next' function that pop's
the request (accept, wrote or read) queue until success
or its empty, thereby making sure that no waiting processes
is left hanging.
OTP-15565
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into maint-21
* lukas/erts/fix_inet_buffer_auto_adjust/OTP-15651/OTP-15652:
kernel runtime dependency to erts
erts: Add yield via timeout to inet read_packet
erts: Don't increase buffer when sctp sndbuf is set
erts: Only change inet buffer if not set
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* rickard/make-fixes-21/OTP-15551:
Fix install phase in build system
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Remove own function to make monitor printable (was a hack)
and make use of the new enif_make_monitor_term instead.
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* rickard/make-fixes-21/OTP-15551:
Fix install phase in build system
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bmk/20190301/cleanup_through_macro_abuse/OTP-15565
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Fixed some type size warnings (SCTP related). E.g:
On Solaris 11 (OpenIndiana Hipster) long and int is size 4,
but the way Sint32 def works it first "tests" for long size and
if that is correct, that is chosen (which it is on Solaris 11).
On linux long is size 8, so Sint32 will be defined as int.
...
On Solaris 11 the flags TCP_CONGESTION and SO_BINDTODEVICE
does not exist, so the function(s) n[set|get]opt_str_opt is never
used. So, in order to keep the compiler quiet, we add some if-def
to exclude these functions in this case.
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* rickard/make-fixes-21/OTP-15551:
Fix install phase in build system
- Install of (mainly) documentation caused rebuild and
modification of the source tree even when the source
previously had been built. Also otp_patch_apply
modified the source tree when updating documentation.
This messed up the installation if installation was
performed by another user than the user that originally
built the system which not is an uncommon scenario.
- Some documentation was installed by copying files
instead of installing the files which caused faulty
access rights on files.
- The documentation was not properly updated when
applying a patch using otp_patch_apply.
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* rickard/make-fixes-20/OTP-15551:
Fix install phase in build system
- Install of (mainly) documentation caused rebuild and
modification of the source tree even when the source
previously had been built. Also otp_patch_apply
modified the source tree when updating documentation.
This messed up the installation if installation was
performed by another user than the user that originally
built the system which not is an uncommon scenario.
- Some documentation was installed by copying files
instead of installing the files which caused faulty
access rights on files.
- The documentation was not properly updated when
applying a patch using otp_patch_apply.
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* rickard/make-fixes-19/OTP-15551:
Fix install phase in build system
- Install of (mainly) documentation caused rebuild and
modification of the source tree even when the source
previously had been built. Also otp_patch_apply
modified the source tree when updating documentation.
This messed up the installation if installation was
performed by another user than the user that originally
built the system which not is an uncommon scenario.
- Some documentation was installed by copying files
instead of installing the files which caused faulty
access rights on files.
- The documentation was not properly updated when
applying a patch using otp_patch_apply.
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* rickard/make-fixes-18/OTP-15551:
Fix install phase in build system
- Install of (mainly) documentation caused rebuild and
modification of the source tree even when the source
previously had been built. Also otp_patch_apply
modified the source tree when updating documentation.
This messed up the installation if installation was
performed by another user than the user that originally
built the system which not is an uncommon scenario.
- Some documentation was installed by copying files
instead of installing the files which caused faulty
access rights on files.
- The documentation was not properly updated when
applying a patch using otp_patch_apply.
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* rickard/make-fixes-17/OTP-15551:
Fix install phase in build system
- Install of (mainly) documentation caused rebuild and
modification of the source tree even when the source
previously had been built. Also otp_patch_apply
modified the source tree when updating documentation.
This messed up the installation if installation was
performed by another user than the user that originally
built the system which not is an uncommon scenario.
- Some documentation was installed by copying files
instead of installing the files which caused faulty
access rights on files.
- The documentation was not properly updated when
applying a patch using otp_patch_apply.
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- Install of (mainly) documentation caused rebuild and
modification of the source tree even when the source
previously had been built. Also otp_patch_apply
modified the source tree when updating documentation.
This messed up the installation if installation was
performed by another user than the user that originally
built the system which not is an uncommon scenario.
- Some documentation was installed by copying files
instead of installing the files which caused faulty
access rights on files.
- The documentation was not properly updated when
applying a patch using otp_patch_apply.
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Clarify in the docs that (NEW_)FLOAT_EXT must be finite
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* sverker/to_erl-utf8/ERL-854:
erts: Remove 7-bit ASCII limitation in to_erl
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The requestor (acceptor, writer and reader) functions are
virtually identical, so to ensure quality and not having
to write the exact same functions three times, we make
use of some macro magic for their declaration.
OTP-15565
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Some more macro abuse for nif API callback functions.
OTP-15565
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Some more macro abuse for nif API callback functions and
the operator (acceptor, writer and reader) queue wrapper functions
(search4pid, push, pop and unqueue).
OTP-15565
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Make use of macro concat magic to simplify declarations.
OTP-15565
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* siri/logger/os-timestamp/OTP-15625:
Update preloaded
[logger] Change timestamp from erlang:system_time to os:system_time
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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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Add a quiet logger mode (default) which limits the
printouts in the (erlang) shell (the web log will
be as verbose as usual).
Also added a way to configure the runtime of the ttest
cases.
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Moved the old socket test modules into
its own (temporary?) directory.
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The test case did not consider that the machine might have both
IPv4 (inet) and IPv6 (inet6) domain interfaces.
OTP-15635
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The getnameinfo function has been fixed:
1) Faulty sockaddr decode success check
2) Incorrect (name info) return value
OTP-15636
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Add a (basically) placeholder test suite for the net module.
OTP-15635
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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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