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Caused bus error on 32-bit sparc from unaligned 64-bit word in
binary_to_term trap context.
Also add _UNALIGNED_ magic macros to avoid double alignment padding
in NIF resources.
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The old code did not take take the old-heap into acount.
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* rickard/timer-optimization/OTP-12650:
Timer fixes, documentation, and test cases
Conflicts:
erts/emulator/beam/erl_hl_timer.c
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Previously, the emulator would generate a whole string
with values and call the error_logger passing "~s~n".
This commit changes it to a format string containing ~p
with the respective values as arguments.
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This function allows us to send format and args to the
logger which can then be formatted and customized from
Erlang land.
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* egil/fix-maps-copy-shallow:
erts: Make hashmap_get halfword safe
erts: Fix ETS db_has_variable check for large Maps
stdlib: Strengthen ETS Maps tests
erts: Fix copy shallow for large Maps
stdlib: Strengthen ETS Maps tests
erts: ETS ordered_set cannot use it's optimization with Maps
stdlib: Strengthen ETS Maps tests
stdlib: Refactor away ?line macro
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* egil/fix-maps-erts_debug-size:
erts: Fix erts_debug:size/1 for large Maps
erts: Simple test of erts_debug:size/1 of Maps
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* rickard/timer-optimization/OTP-12650:
Optimized timer implementation
Reusable red-black tree implementation
Conflicts:
erts/emulator/beam/erl_bif_timer.c
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* rickard/time-improvement/OTP-11997:
Allow execution of estone suite on pre OTP-18 systems
Add parallel time monotonicity test-case
Replace usage of erlang:now() in line-tracing
Replace erlang:now() usage in emulator suite
Replace erlang:now() usage in system suite
Misc time improvements
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* richcarl/md5-fixes:
Set module_info md5 for native modules properly
Add module_info entry for native code
Gracefully handle empty md5 field in module_info
Remove 'imports' key from spec of get_module_info()
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* egil/fix-pos-zero-opt:
erts: Don't let the compiler optimize pos. zero fix
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Use the md5 of the native code chunk instead of the Beam code md5.
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There is no need to take special care of Maps at all since header_arity(hdr)
will take care of the normal case via its Map handling.
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The optimization cannot be used due to that the pattern cannot be ordered.
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- Possibility to chose different clock sources
- Improved mach clock usage
- Improved linux clock_gettime() usage
- ...
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* sverk/hipe_match_wbin/OTP-12667:
erts: Add debug assertions for match state sanity
hipe: Add test for matching of writable binary
erts,hipe: Optimize away calls to emasculate_binary
erts,hipe: Fix bug in binary matching of writable binary
Conflicts:
erts/emulator/hipe/hipe_bif0.c
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sys_write_buf allocator type is used from async-threads and needs
to be lockable. In the SMP case the temporary allocator is lockable but
not in the Non-SMP case.
To remedy this the binary-allocator is used for the Non-SMP case,
which is lockable.
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* egil/opt-instructions/OTP-12690:
erts: Specialize minus and plus instruction
erts: Add move2 specialization for common move patterns
erts: Specialize rem instruction for common case
erts: Specialize band instruction for common case
erts: Batch loads and stores for move_window
erts: Fix loader increment from minus instruction
erts: Add move window instruction
erts: Add instruction move3 for xy and xx
erts: Specialize compare instructions
kernel: Add instruction_count helper to erts_debug
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OTP-12685
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Seen on SSL application where substraction with x registers were prevalent:
* i_minus specialization on x registers
* i_plus specialization on x registers
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Common pattern seen in SSL:
move y x | move r x -> move2
move r x | move y x -> move2
Common pattern seen in SSL and Compiler:
move x r | move x x -> move2
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* egil/opt-float-cmp:
erts: Brute force float comparisons as well
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* i_rem specialization on x registers
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* i_band specialization on x registers and constants
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May lessen load/store latency.
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A type error caused the optimization to never kick in.
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Move an entire region of x registers to the stack.
This reduces the dispatch pressure of move instructions.
Also introduce a move2 specialization for some common move patterns:
move r y | move x y -> move2 : As above, moving regions to the stack
move x r | move x y -> move2 : A seemingly common pattern
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* i_is_lt for r, x registers and constants
* i_is_ge for x registers and constants
* i_is_exact_eq for r and x registers
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* sverk/pr632/prevent-illegal-nif-terms/OTP-12655:
erts: Reject non-finite float terms in erl_drv_output_term
erts: Remove old docs about experimental NIF versions.
erts: Add enif_has_pending_exception
erts: Clearify erl_nif documentation about badarg exception
erts: Fix compile warning in enif_make_double
erts: Fix divide by zero compile error in nif_SUITE.c
erts: Fix isfinite for windows
Ensure NIF term creation disallows illegal values
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Increases float comparison speed by ~120%
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* sverk/etp-map:
erts: Add map support to gdb etp command
erts: Add etp_the_non_value
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* egil/cmp-immediate-optimization/OTP-12663:
erts: Optimize comparison operator for frequent immediates
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* Assertion is only removed because we are in icount mode.
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* We use compile directive icount instead
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* egil/maps-refactor:
erts: Use make_small for size terms on flat maps
Conflicts:
erts/emulator/beam/erl_bif_guard.c
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