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# Conflicts:
# erts/emulator/beam/erl_process.c
# erts/emulator/beam/sys.h
# erts/emulator/sys/common/erl_check_io.c
# erts/emulator/sys/common/erl_check_io.h
# erts/emulator/sys/unix/sys.c
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by having different structs with same name.
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and use correct cache alignment.
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* lukas/erts/remove-dirty-scheduler-defines/OTP-14613:
erts: Remove possibility to disable dirty schedulers
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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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* 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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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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* sverker/ets-fix-assert-fix:
erts: Fix faulty ASSERT of table fixation counter
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* sverker/valgrind-fixes/OTP-14609:
erts: Suppress false memory leak for dlerror
[ct] Cleanup and rename purify related functions as valgrind
Revert "remove unused purify functions"
erts: Fix memory leak when sending to terminating port
erts: Fix harmless use of uninitialised value
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* lukas/ct/ts_abort_on_compilation_fail:
erts: Fix leaking of fds in iovec_SUITE
ts: Don't test apps that are not available
asn1: Fix test suite deprecated functions
ct: ts:run now abort the test run on compilation failure
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The number of live registers, unit and flags, and the number
of slots all fit comortably in 16 bits. This change will give
more opportunities for packing.
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The match context is always in an X register. Change the 's' operand
to 'x'.
While we are it, also change the operands for Live and FlagsAndUnit
to 't' (they will both fit comfortably in 16 bits).
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'S' is slightly more efficient. Using 'S' may also enable more
packing.
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As a preparation for introducing relative jumps, introduce
"trace_jump W" that can be used for tracing. This instruction
will continue to have an absolute address for the jump target.
(Note: This instruction is never created during loading; it
is only created in stubs when tracing is active.)
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The C compiler will probably optimize this, but just to be sure...
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Conflicts:
erts/emulator/sys/unix/sys.c
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* lukas/erts/fix_warnings:
Fix some clang warnings
Fix unused-functions warnings
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* lukas/erts/non-smp-removal-cleanup/OTP-14518:
Make estone work with older releases
erts: Allow read in ttsl driver to return EAGAIN
syntax_tools: Fix makefile dep
erts: non-smp removal cleanup in erlexec
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* lukas/erts/pgo/OTP-14604:
Add support for building a pgo beam_emu
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The 'S' operand type was added in 5bf73db9fd77.
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The right side of a transformation must be either a single call
to a transformation function OR a list of instructions. Mixing
them like this is not supported:
some_instruction A B C => gen_something(A) | other B C
Unfortunately, beam_makeops would silenty ignore anything after the
function call, basically handling it in the same way as:
some_instruction A B C => gen_something(A)
Add a sanity check to reject such mixed right-hand sides.
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* bjorn/erts/improve-beam-ops:
Don't allow macros to assign to hard-coded variables
Annotate try_case_end as cold
beam_emu.c: Mark initialization code as unlikely
Try to avoid generating unecessary do/while wrappers
Eliminate unecessary instruction macro i_move_call_only()
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