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into 'sverker/master/alloc-n-migration/ERIERL-88'
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into 'sverker/maint-20/alloc-n-migration/ERIERL-88'
OTP-14915
OTP-14916
OTP-14917
OTP-14918
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into 'sverker/maint-19/alloc-n-migration/ERIERL-88'
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to change sbct limit in runtime for chosen allocator type.
With great power comes great responsibility.
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ageffcaoff: Age First Fit Carrier, Address Order First Fit (within carrier)
ageffcbf : Age First Fit Carrier, Best Fit (within carrier)
ageffcaobf: Age First Fit Carrier, Address Order Best Fit (within carrier)
Prefer old carriers, the older the better.
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In preparation for carrier age order.
Change 'flavor' to 'blk_order' and 'crr_order'.
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acnl: Abandon Carrier Nr Limit
acfml: Abandon Carrier Free block Min Limit
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Fix the build on targets with small data area
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Eliminate get_list/3 internally in the compiler
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Currently HiPE amd64 assumes the runtime system code is loaded into
the low 2G of the address space. However, this is not the case when
PIE is enabled, it is loaded into a random location. So trampolines
are required to call BIFs, and also we have first to load the address
of sse2_fnegate_mask to a regisiter before xorpd in fchs.
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Instructions that produce more than one result complicate
optimizations. get_list/3 is one of two instructions that
produce multiple results (get_map_elements/3 is the other).
Introduce the get_hd/2 and get_tl/2 instructions
that return the head and tail of a cons cell, respectively,
and use it internally in all optimization passes.
For efficiency, we still want to use get_list/3 if both
head and tail are used, so we will translate matching pairs
of get_hd and get_tl back to get_list instructions.
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Otherwise on targets which have small data area with short addressing
like on PowerPC ther will be linking errors due to the mismatch of
declaration/usage and definition.
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Fix rounding bug in float_to_list/2
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Consider the following function:
function({function,Name,Arity,CLabel,Is0}, Lc0) ->
try
%% Optimize the code for the function.
catch
Class:Error:Stack ->
io:format("Function: ~w/~w\n", [Name,Arity]),
erlang:raise(Class, Error, Stack)
end.
The stacktrace is retrieved, but it is only used in the call
to erlang:raise/3. There is no need to build a stacktrace
in this function. We can avoid the building if we introduce
an instruction called raw_raise/3 that works exactly like
the erlang:raise/3 BIF except that its third argument must
be a raw stacktrace.
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* bjorn/erts/beam_debug:
beam_debug: Fix printing of f operand for catch_yf
beam_debug: Print out strings for bs_match_string/bs_put_string
beam_debug: Print the MFA in the i_make_fun/2 instruction
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Matching out an 8-bit integer is faster than matching out
an utf8-encoded code point, even if the value of the code
point is less than 128. The reason is that matching out
an 8-bit integer is specially optimized to avoid a function
call. Do a similar optimization for matching out an utf8
segment.
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particularly slow erlc when compiler is hipe compiled.
hipe_unified_loader:load did not patch external call sites
and instead caused a double hipe mode switch per call.
hipe_unified_loader:load is only used
for early modules first loaded as beam
and by code:atomic_load and friends.
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* fhunleth/binary_to_integer_chec/PR-1671/OTP-14879:
Fail if ':' is passed to binary_to_integer/2
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* maint:
stdlib: Handle Unicode when formatting stacktraces
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* hasse/stdlib/unicode_stacktrace/OTP-14847/ERL-553:
stdlib: Handle Unicode when formatting stacktraces
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Replace long long with Uint64
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Example symptom:
1> float_to_list(0.145, [{decimals,1}]).
"0.2"
There were two problems in sys_double_to_chars_fast
1. Most serious was adding 0.55555555 / (10^D) instead of 0.5 / (10^D)
which imposed a 5.5% risk of a faulty rounding up.
2. Using fixpoint for frac_part which lost significant bits if F < 0.5
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See also ERL-553 and ERL-544 (commit c3ddb0f).
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* maint:
Fix encoding of filenames in stacktraces
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* rickard/file-encoding-stacktraces/OTP-14847/ERL-544:
Fix encoding of filenames in stacktraces
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The reduction cost of sending messages is now constant and will no
longer scale according to the length of the receiving process'
message queue.
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into utility functions.
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Before:
1> binary_to_integer(<<":">>, 16).
3
After:
1> binary_to_integer(<<":">>, 16).
** exception error: bad argument
in function binary_to_integer/2
called as binary_to_integer(<<":">>,16)
Prior to this change, both list_to_integer/2 and binary_to_integer/2
would convert strings with values between ASCII '9' up to '0'+base for
base > 10. For example, when converting in base 16, you could pass ':',
';', '<', '=', '>', and '?' without getting an exception. This was due
to a missing check in c2int_is_invalid_char().
This change adds the missing check and a regression test for passing
':'. It also simplifies the code and tightens up an out-of-bounds check
to make it off-by-one rather than off-by-two.
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Fix GC bug for HiPE primop bs_put_utf8
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in order to detect incompatible changes in primop interface
(which we just did for bs_put_utf8) and refuse hipe loading.
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by preventing it from doing GC, which generated code relies on.
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