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Use 'no_dot_erlang' start script for tools. Options and
paths should be stated on the command line, via a
Makefile, rebar.config etc.
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Previously you could not opt out on loading .erlang, change the
default to not load the resource file. The escript author
can invoke c:erlangrc(PathList) to find and load .erlang if needed.
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Use 'no_dot_erlang' start script for tools.
Options and paths should be stated on the command line.
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It may be confusing that "hidden" .erlang is loaded from the current
working directory. Use c:erlangrc([Dir1,..]) to search and
load .erlang from other places than "$HOME/.erlang".
Implies that c:erlangrc() needs to be documented.
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* bjorn/speed-up-disassembler:
Add testing of erts_debug:df() to the emulator smoke tests
Speed up erts_debug:df()
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The byte_offset of sub-binaries wasn't taken into account for
ProcBins, subtly ruining the results. The test suite didn't catch
it since it didn't check for sub-binaries in particular, and only
checked for equality between variations -- not whether the output
was equal to the input.
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It is too easy to break the disassembler. Make sure that we notice.
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* siri/string-new-api: (28 commits)
hipe (test): Do not use deprecated functions in string(3)
dialyzer (test): Do not use deprecated functions in string(3)
eunit (test): Do not use deprecated functions in string(3)
system (test): Do not use deprecated functions in string(3)
system (test): Do not use deprecated functions in string(3)
mnesia (test): Do not use deprecated functions in string(3)
Deprecate old string functions
observer: Do not use deprecated functions in string(3)
common_test: Do not use deprecated functions in string(3)
eldap: Do not use deprecated functions in string(3)
et: Do not use deprecated functions in string(3)
os_mon: Do not use deprecated functions in string(3)
debugger: Do not use deprecated functions in string(3)
runtime_tools: Do not use deprecated functions in string(3)
asn1: Do not use deprecated functions in string(3)
compiler: Do not use deprecated functions in string(3)
sasl: Do not use deprecated functions in string(3)
reltool: Do not use deprecated functions in string(3)
kernel: Do not use deprecated functions in string(3)
hipe: Do not use deprecated functions in string(3)
...
Conflicts:
lib/eunit/src/eunit_lib.erl
lib/observer/src/crashdump_viewer.erl
lib/reltool/src/reltool_target.erl
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* sverker/on_load-on_load-bug/OTP-14612:
erts: Fix 'on_load' tracing bug for modules with -on_load
code_SUITE:on_load_trace_on_load
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* bjorn/erts/pack-combined:
Pack combined instructions
beam_makeops: Refactor code generation
Correct disassembly of select instructions
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* maint:
Document that the compiler may optimize away atoms
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Document that the compiler may optimize away atoms
OTP-14614
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* lukas/erts/remove-dirty-scheduler-defines/OTP-14613:
erts: Remove possibility to disable dirty schedulers
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* maint:
Updated OTP version
Update release notes
Update version numbers
inets: httpd correct server_name environment value
inets: httpd - Add chunk handling of client data
inets: Restore old behavior when parsing "+"
inets: prepare for release
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* maint-20:
Updated OTP version
Update release notes
Update version numbers
inets: httpd correct server_name environment value
inets: httpd - Add chunk handling of client data
inets: Restore old behavior when parsing "+"
inets: prepare for release
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The refactoring will simplify packing of combined instructions.
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Make sure to use the 'unpacked[-1]' when accessing the unpacked
arguments.
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* bjorn/erts/relative-jumps:
Pack failure labels in i_select_val2 and i_select_tuple_arity2
Optimize i_select_tuple_arity2 and is_select_lins
Rewrite select_val_bins so that its labels can be packed
Pack sequences of trailing 'f' operands
Implement packing of 'f' and 'j'
Make sure that mask literals are 64 bits
Use relative failure labels
Add information about offset to common group start position
Remove JUMP_OFFSET
Refactor instructions to support relative jumps
Introduce a new trace_jump/1 instruction for tracing
Avoid using $Src more than once
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Don't save a pointer to the default failure label. That could
relieve register pressure. Instead, if we'll need to signal an
error in i_select_tuple_arity2, delay to the execution phase.
That should be a clear win because i_select_tuple_arity2 very
rarely fails because of the term being selected is not a tuple.
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Pack sequences of trailing 'f' operands for instructions
such at jump_on_val or i_select_val_lins.
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Use the "ull" suffix for the mask literals instead of "ul"
to ensure that the literals are 64 bits also on Windows.
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Relative failure in itself is not an optimization, but we plan to
pack failure labels in the future to save memory.
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It has served its purpose.
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The following code could fail in the call to list_existing_atom/1:
String = atom_to_list(some_atom),
Atom = list_to_existing_atom(String)
because the compiler will rewrite the code to:
String = "some_atom",
Atom = list_to_existing_atom(String)
If some_atom is not used in another place, it will not exist.
The compiler could be updated to preserve the atom in this simple case,
but it would be hard to make sure that the compiler never loses atoms
that exist in the source text. It also difficult to imagine a
real world use case where this would be a problem. If an atom is
mentioned only in a way that the compiler can optimize away, is there
really any need to create the atom at all in list_to_existing_atom/1?
Therefore, it is better to place the responsibility that the atom exists
on the user of list_to_existing_atom/1. Update the documentation to
mention that the compiler may optimize away atoms.
https://bugs.erlang.org/browse/ERL-453
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* maint:
stdlib: Fix jumping to beginning or end of line
Fix del_chars not considering wide chars and update buffer length before calling write_buf
Make cp_pos_to_col function aware of the ANSI escape codes
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Consider ANSI escape codes on cp_pos_to_col
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sverker/on_load-on_load-bug/OTP-14612
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Symptom: VM crash when erlang:trace_pattern(on_load, ..) is set and
module with -on_load is loaded.
Problem: Tracing and -on_load clash in their use of Export.beam[1]
Solution: Do not do call set_default_trace_pattern in finish_loading_1
for modules with -on_load. finish_after_on_load_2 will do that anyway.
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calling write_buf
After deleting the chars the function `del_chars` was considering the code points to move the cursor back and not the graphemes
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Introduce new macros that can be used for relative jumps and
use them consistently.
Test that everything works by using a non-zero constant JUMP_OFFSET.
The loader subtracts JUMP_OFFSET from loaded labels, and all
instructions that use 'f' operands add it back.
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* bjorn/erts/improve-beam-ops:
Add built-in macros $ARG_POSITION() and $IS_PACKED()
Use 't' instead of 'I' bit syntax operands
Optimize operand type for match context in i_bs_get_integer
Change operand type from 's' to 'S' for a few instructions
Use the correct name of the parameter
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Optimise equality comparisons
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* potatosalad/erts/binary_find_bif_improved/PR-1480/OTP-14610:
stdlib: Improved BIF for binary matches and split.
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maint-20
* sverker/20/binary_to_atom-utf8-crash/ERL-474/OTP-14590:
erts: Fix crash in binary_to_atom/term for invalid utf8
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* sverker/ets-fix-assert-fix:
erts: Fix faulty ASSERT of table fixation counter
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