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Merging the three off-heap lists (binaries, funs and externals) into
one list. This reduces memory consumption by two words (pointers) per
ETS object.
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The code handling this BIF did not take into account that
the fun in the first argument that could return []
and therefore the return value of the BIF could also be [].
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* egil/eprof:
Fix eprof to handle error cases
Dialyzer cleanup for eprof
Fix fprof_SUITE to use new eprof API
Switch pattern API for eprof profile with mfa
Update eprof documentation
Update eprof_SUITE with more basic tests
Rename sorting choices for eprof
Teach eprof to align text output
Add dump functionality to eprof
Add log functionality to eprof
Update eprof tests to reflect new eprof
Add start timestamp to eprof profiling
Teach eprof to use the new breakpoints
OTP-8706 egil/eprof
eprof has been reimplemented with support in the Erlang virtual machine and
is now both faster (i.e. slows down the code being measured less) and
scales much better. In measurements we saw speed-ups compared to the old
eprof ranging from 6 times (for sequential code that only uses one
scheduler/core) up to 84 times (for parallel code that uses 8 cores).
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* ks/dialyzer-R14-fixes:
Various changes to dialyzer-related files for R14.
OTP-8699 ks/dialyzer-R14-fixes
Various changes to dialyzer-related files for R14.
- Dialyzer properly supports the new attribute -export_type and checks that
remote types only refer to exported types. A warning is produced if some
files/applications refer to types defined in modules which are neither in
the PLT nor in the analyzed applications.
- Support for detecting data races involving whereis/1 and unregister/1.
- More precise identification of the reason(s) why a record construction
violates the types declared for its fields.
- Fixed bug in the handling of the 'or' guard.
- Better handling of the erlang:element/2 BIF.
- Complete handling of Erlang BIFs.
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Bumped version number and wrote RELEASE_NOTES.
Included all changes described in release notes.
Some spec-related changes to some files in lib/hipe/cerl.
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* bg/bif-types:
Add type information for erlang:garbage_collect_message_area/0
Add type information for erts_debug:* BIFs
Add type information for erlang:port_call/2
Add type information for erlang:display* BIFs
Add type information for the BIFs in the binary module
Introduce and use the t_endian() helper
Add type information for erlang:binary_part/2,3
Add type info for erlang:append/2 and erlang:subtract/2
Add type information for the erlang:adler32* BIFs
Add ppc64 return for erlang:system_info(hipe_architecture)
Test that all BIFs have known types
erl_types: Export is_erl_type/1
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* commit 'bg/nif_error':
crypto: Add type specs for all documented functions
crypto: Use erlang:nif_error/1 to squelch false Dialyzer warnings
Add erlang:nif_error/1,2
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erlang:garbage_collect_message_area/0 is undocumented and unsupported.
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(erlang:port_call/2 is undocumented.)
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These are aliases for '++'/2 and '--'/2.
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While at it, introduce a new type for adler32 and crc32
and use it consistently within the file.
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It is useful for testing.
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* ks/dialyzer:
dialyzer: Build the PLT even if there are unresolved remote types
proplists: Export the type property()
erl_lint: Issue warnings for undefined exported types
Minor fix in a print message
Add handling of unknown types
Add declaration for exported types
Add types and specs; performed some cleanups also
erl_scan: Add declarations for exported types
stdlib: Add declarations for exported types
hipe: Add declarations for exported types
compiler: Add declarations for exported types
syntax_tools: Add declarations for exported types
kernel: Add declaration for exported types
Support -export_type() in dialyzer and erl_types
Add infrastructure for the -export_type() attribute
OTP-8678 ks/dialyzer
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A stub function that is supposed to be replaced by a NIF usually
calls erlang:error/1 to cause an exception if the NIF library
is not loaded. For example:
foo() ->
erlang:error(nif_not_loaded).
The problem is that although erlang:error/1 will normally never be
called, Dialyzer will think that any call to the function will fail
and thus generate false warnings. Adding a spec for the function
will not help because Dialyzer will not believe the spec.
Add erlang:nif_error/1,2 that work exactly like erlang:error/1,2.
Define the return types for both BIFs to be t_any().
erlang:nif_error is used like this:
-spec foo() -> binary().
foo() ->
erlang:nif_error(nif_not_loaded).
(The -spec is optional but highly recommended, since Dialyzer
otherwise has no chance to figure out the types.)
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put_literal/2 was an experimental instruction added in R11 to
support literals, but before the R12 release support for literals
was implemented for all instruction, making the put_literal/2
instruction redundant. Although the beam_disasm module supports
dissambley of instructions in older releases, there is
no reason to have it support experimental instructions.
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bs_bits_to_bytes2/2 was an experimental instruction added in R11,
but was removed in R12. Although the beam_disasm and beam_validator
modules do support instructions in older releases, there is
no reason to have them support experimental instructions.
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The bug was introduced in d60f055697cfe8e7f94be4d291d49bb00a66bc52.
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* bg/opt-receive:
Test that gen_server:call/2,3 are fast even with a huge message queue
erts: Add tests for the receive optimization
Update primary bootstrap
erts: Implement recv_mark/1 and recv_set/1 for real
compiler tests: Cover the error handling code in beam_receive
compiler test: Test optimization of receive statements
Optimize selective receives in the presence of a large message queue
Introduce the new recv_mark/1 and recv_mark/1 instructions
Compile tests that communicate with R12 nodes with the r12 option
Move p_run/2 to test_lib
gen: Inline wait_resp_mon/2 to help the compiler optimize
OTP-8623 bg/opt-receive
reveive statements that can only read out a newly created reference are now
specially optimized so that it will execute in constant time regardless of
the number of messages in the receive queue for the process. That
optimization will benefit calls to gen_server:call(). (See gen:do_call/4
for an example of a receive statement that will be optimized.)
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Make the recv_mark/1 and recv_mark/1 instructions known to the
compiler and run-time system. For the moment, make the loader ignore
any occurrences of those instructions in BEAM files.
Also update hipe_beam_to_icode to ignore those instructions.
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When defining macros the closing right parenthesis before the dot is now
mandatory.
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* jb/pp_arm-imm-fix:
Modify pp_arm to decode imm8m constants
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Improve readability by decoding imm8m constants before printing them.
Signed-off-by: Johan Bengtsson <[email protected]>
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* ks/hipe:
dialyzer: Fix system_limit exception in race analysis
syntax_tools: Add types and specs for most exported functions
syntax_tools: Support the --enable-native-libs configure option
syntax_tools: Remove $Id$ annotations
dialyzer: New version for the R13B04 release
hipe: Miscellaneous additions
typer: New version for the R13B04 release
Fix a HiPE compiler bug evaluating an expression that throws system_limit
OTP-8460 ks/hipe
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* bg/erl_bif_types:
Add types for erts_debug:lock_counters/1
Add types for os:timestamp/0
Add types for erts_debug:dist_ext_to_term/2
erl_bif_types: add 'http_bin' as a valid packet option
OTP-8437: bg/erl_bif_types
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erts_debug:lock_counters/1 is an undocumented BIF used by
the 'lcnt' module in the 'tools' application.
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{packet,http_bin} is now a valid packet option for the
gen_tcp and inet modules.
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