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Needed because of the optimizations in 48f20bd589fa69.
https://bugs.erlang.org/browse/ERL-832
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The common subexpression optimization accidentally caused
unnecessary spilling of live registers. A rather ugly
workaround can be found in loop_timeouts_cancel.
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* maint:
Updated OTP version
Prepare release
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* maint-20:
Updated OTP version
Prepare release
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sys_core_inline didn't kill fun annotations in variables,
which could lead to duplicated wrapper functions for funs.
That was basically harmless because the duplicated functions
were eventually discarded.
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The beam_ssa_type pass would leave redundant 'succeeded' instructions,
and depend on the live optimization pass to remove them.
Update beam_ssa_type to remove redundant 'succeeded' instructions.
This will not improve the generated code, but will improve compilation
times since it eliminates instructions and variables.
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Eliminate the beam_bs compiler pass
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There seems to be an incorrect merge conflict resolution
in abde22933f5a that merged maint to master. Dumping of
references (and possibly other terms) were broken.
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This strategy improves speed benchmarks and reduces the
amount of garbage that is produced.
More:
* Handle transition options as loop function arguments instead
of in a record.
* Shorten the state_enter loop and make it more efficient
by making it more part of the loop and less a loop restart.
* Simplify the internal timeout action handling somewhat.
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Could cause ssl to claim to support 3des_ede_cbc when cryptolib does not
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* rickard/dirty_scheduler_collapse/OTP-15509:
Fix bug causing dirty scheduler sleeper list inconsistency
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Do the optimizations of bs_put* instructions in beam_ssa_opt
and remove the beam_bs pass. This can lead to a slight improvement
of compilation times.
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There are two instructions that take string operands:
{bs_put_string,Fail,NumberOfBytes,{string,String}}
{bs_match_string,Fail,Register,NumberOfBits,{string,String}}
In the canonical BEAM code that is passed to beam_asm, string String
is currently represented as a list. (The string in bs_match_string is
a bitstring before the beam_z compiler pass.) That is wasteful,
because there will be unnecessary conversions between lists and
binaries.
Change the representation of String to be a binary.
Furthermore, bs_put_string is an optimization of a bs_put_binary
instruction with a literal binary operand. Currently, the
bs_put_string instruction is introduced in beam_bs. Delay the
introduction of bs_put_string to the beam_z pass. That will simplify
optimizations and allow us to do the optimization currently done
in beam_bs in a SSA pass in a future commit.
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The optimization can be applied in a few more places if done
before ssa_opt_bsm_shortcut (for example, in unicode:cbv/2).
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Also remove some compiler warnings from test suite.
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* maint:
beam_type: Eliminate compiler crash when arithmetic expression fails
Conflicts:
lib/compiler/src/beam_type.erl
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* bjorn/compiler/beam_type/ERL_829/OTP-15518:
beam_type: Eliminate compiler crash when arithmetic expression fails
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* maint:
Updated OTP version
Prepare release
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* maint-21:
Updated OTP version
Prepare release
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* maint:
Fix bug causing dirty scheduler sleeper list inconsistency
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* rickard/dirty_scheduler_collapse/maint-21/OTP-15509:
Fix bug causing dirty scheduler sleeper list inconsistency
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Improve type optimizations
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* ingela/ssl/test-cuddle:
ssl: Cuddle tests
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* maint:
syntax_tools: Fix pretty-printing of type funs
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* hasse/syntax_tools/fun_types/ERL-815/OTP-15519:
syntax_tools: Fix pretty-printing of type funs
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These are not documented, and only used in test. The test now uses
logger_olp directly instead.
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This is to ensure that logger_proxy gets the same config after a
restart.
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The new file logger_olp.hrl is added.
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Two modules were missed when this was changed before OTP-21.
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