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De-duplicate bignums in the literal pool
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* bjorn/erts/improve-beam-ops:
Optimize dispatch of loop_rec from recv_set
Add missing -no_next directives
Eliminate three arguments for erts_hibernate()
Eliminate three arguments for the apply() helper
Assign machine registers for X86-64
Annotate arithmetic instructions with likely/unlikely
Add annotations for likely/unlikely
ops.tab: Mark infrequently used instructions as %cold
Introduce '%warm' and beam_warm.h
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We KNOW that recv_set instruction is immediately followed
by a loop_rec instruction.
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We don't need to pass x(0), x(1), and x(2) because they
can already be found in the register array.
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We don't need to pass x(0), x(1), and x(2) because they
can already be found in the register array.
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Keep frequently used variables in machine registers.
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We expect that:
* An arithmetic instruction is more likely to succeed
than to fail.
* An arithmetic instruction is more likely to have small
operands than bignum operands.
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In a correct Erlang programs, we can expect that:
* A GC test instruction (such as test_heap) is more likely
not to do the GC.
* A BIF is more likely to succeed than to fail.
* A BIF is more likely to fail in a guard than in a body.
* An apply or fun call is likely to succeed.
Annotate conditions accordingly.
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Instructions that used to be implemented in beam_emu.c
were not marked as cold as it would make no difference.
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The bit syntax instructions are mixed among other instructions
in beam_hot.h and beam_cold.h.
Introduce a new hotness level called '%warm' with is associated
file beam_warm.h. Mark all bit syntax instructions as '%warm'.
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* maint:
Upgrade to PCRE 8.41 from PCRE 8.40
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OTP-14574
* rickard/pcre-8.41:
Upgrade to PCRE 8.41 from PCRE 8.40
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* lukas/erts/port_SUITE_dropped_commands_fix:
erts: Fix port_SUITE:dropped_commands tc
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* dszoboszlay/run-dropped_commands-test:
Execute the dropped_commands test case in port_SUITE
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Remove backward compatibility support for float literals
OTP-14575
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We start the port in the started process in order
to get the messages in the correct place and also
so that unloading the port driver does not kill the
test process.
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Duplicate literals in the literal pool is a waste of memory.
Also, having unique literals can simplify some loader optimizations,
because we can known that if two literal indices are distinct, the
values must be distcint too.
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Conflicts:
erts/emulator/beam/bif.c
erts/emulator/beam/dist.c
erts/emulator/beam/dist.h
erts/emulator/beam/erl_bif_info.c
erts/emulator/beam/erl_node_tables.c
erts/emulator/beam/erl_node_tables.h
erts/emulator/beam/external.c
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Starting from R16B, floating point constants are stored
in the literal pool.
The backward compatibility support for the old representation
of floats has been kept long enough. Also, we might want to
ensure that all literals are unique in the future, and we certainly
don't want to update this code to ensure uniqueness.
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* maint:
Remove time-consuming ethread_SUITE from smoke tests
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The ethread_SUITE is unlikely to ever find a real bug
introduced in a pull request, but it frequently times
out when run by Travis CI.
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* maint-20:
Updated OTP version
Prepare release
dialyzer: Fix a bug where merging PLT:s could lose info
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* rickard/btm-auto-cleanup-bug/OTP-14554:
Fix BIF timer race between timeout and auto cleanup
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* rickard/timer-sid-bug/OTP-14548:
Fix scheduler id field in timers
# Conflicts:
# erts/emulator/beam/erl_hl_timer.c
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* maint:
Fix BIF timer race between timeout and auto cleanup
Conflicts:
erts/emulator/beam/erl_hl_timer.c
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* rickard/btm-auto-cleanup-bug/OTP-14554:
Fix BIF timer race between timeout and auto cleanup
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* maint:
Fix scheduler id field in timers
Conflicts:
erts/emulator/beam/erl_hl_timer.c
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* rickard/timer-sid-bug/OTP-14548:
Fix scheduler id field in timers
Conflicts:
erts/emulator/beam/erl_hl_timer.c
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* bjorn/erts/improve-beam-ops:
arith_instrs.tab: Clean up bsl/bsr
beam_makeops: Stop using the Arg() macro
Eliminate the beam_instrs.h file
Add the 'S' type for a register source
Introduce more packable types
Pack cold instructions too
Pack instructions using 'q', 'c', and 's'
beam_makeops: Rewrite the packer, fixing several bugs
Make map update instruction functions indepedent of instruction format
beam_makeops: Introduce the new type 'W' (machine word)
Use the wait_timeout_{un}locked_int instructions
beam_makeops: Remove the unused aliases 'N' and 'U'
beam_makeops: Add an additional sanity check
beam_makeops: Prevent truncation when packing 'I' values
Improve performance for bsl/bsr
arith_instrs.tab: Eliminate warning for uninitialized value
beam_emu: Remove unused macros
beam_makeops: Remove unused subroutine save_c_code
Add missing -no_next for badarg instruction
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Conflicts:
OTP_VERSION
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* maint-20:
Updated OTP version
Prepare release
Accept non-binary options as socket-options
Bump version
Fix broken handling of default values in extensions for PER
compiler: Fix live regs update on allocate in validator
Take fail labels into account when determining liveness in block ops
Check for overflow when appending binaries, and error out with system_limit
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Eliminate the all-purpose variable 'ires'. Replace it with several
variables used that are used for their specific purpose. Narrow
the scope of the variables.
Do this to improve readability. It is not expected that it should
any impact on performance.
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* maint:
Unicode support for erlang:display_string/1
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* rickard/unicode-display_string/OTP-14545:
Unicode support for erlang:display_string/1
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* lukas/erts/fix_dirty_trace_message_flush/OTP-14538:
erts: Fix incorrect merge of dirty_trace_message_flush fix to master
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* sverker/halt-unicode-slogan/OTP-14553:
erts: Allow any unicode string as crash dump slogan
erts: Generate crash_dump slogan string as UTF8
erts: Refactor erts_unicode_list_to_buf
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