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2017-08-31Introduce '%warm' and beam_warm.hBjörn Gustavsson
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'.
2017-08-31Merge branch 'maint'Lukas Larsson
2017-08-31Merge branch 'lukas/erts/port_SUITE_dropped_commands_fix' into maintLukas Larsson
* lukas/erts/port_SUITE_dropped_commands_fix: erts: Fix port_SUITE:dropped_commands tc
2017-08-31Merge branch 'dszoboszlay/run-dropped_commands-test' into maintLukas Larsson
* dszoboszlay/run-dropped_commands-test: Execute the dropped_commands test case in port_SUITE
2017-08-30Merge pull request #1548 from bjorng/bjorn/erts/remove-float-constant-bcBjörn Gustavsson
Remove backward compatibility support for float literals OTP-14575
2017-08-29erts: Fix port_SUITE:dropped_commands tcLukas Larsson
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.
2017-08-28Merge branch 'rickard/dist/OTP-14459' into rickard/dist/master/OTP-14459Rickard Green
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
2017-08-28Introduce sender in distributed signals and dflag configurationRickard Green
2017-08-28Optimize dist entry managementRickard Green
2017-08-28Support for running test suites with gen_tcp_distRickard Green
2017-08-28Example of using distribution controller processesRickard Green
2017-08-28Support for distribution controller processesRickard Green
2017-08-28Remove backward compatibility support for float literalsBjörn Gustavsson
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.
2017-08-28Merge branch 'maint'Björn Gustavsson
* maint: Remove time-consuming ethread_SUITE from smoke tests
2017-08-28Remove time-consuming ethread_SUITE from smoke testsBjörn Gustavsson
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.
2017-08-25Merge branch 'maint'Henrik Nord
2017-08-25Merge branch 'maint-20' into maintHenrik Nord
* maint-20: Updated OTP version Prepare release dialyzer: Fix a bug where merging PLT:s could lose info
2017-08-25Prepare releaseErlang/OTP
2017-08-25Merge branch 'rickard/btm-auto-cleanup-bug/OTP-14554' into maint-20Erlang/OTP
* rickard/btm-auto-cleanup-bug/OTP-14554: Fix BIF timer race between timeout and auto cleanup
2017-08-25Merge branch 'rickard/timer-sid-bug/OTP-14548' into maint-20Erlang/OTP
* rickard/timer-sid-bug/OTP-14548: Fix scheduler id field in timers # Conflicts: # erts/emulator/beam/erl_hl_timer.c
2017-08-24Merge branch 'maint'Rickard Green
* maint: Fix BIF timer race between timeout and auto cleanup Conflicts: erts/emulator/beam/erl_hl_timer.c
2017-08-24Merge branch 'rickard/btm-auto-cleanup-bug/OTP-14554' into maintRickard Green
* rickard/btm-auto-cleanup-bug/OTP-14554: Fix BIF timer race between timeout and auto cleanup
2017-08-24Merge branch 'maint'Rickard Green
* maint: Fix scheduler id field in timers Conflicts: erts/emulator/beam/erl_hl_timer.c
2017-08-24Merge branch 'rickard/timer-sid-bug/OTP-14548' into maintRickard Green
* rickard/timer-sid-bug/OTP-14548: Fix scheduler id field in timers Conflicts: erts/emulator/beam/erl_hl_timer.c
2017-08-24Merge branch 'bjorn/erts/improve-beam-ops'Björn Gustavsson
* 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
2017-08-24Merge branch 'maint'Raimo Niskanen
Conflicts: OTP_VERSION
2017-08-24Merge branch 'maint-20' into maintRaimo Niskanen
* 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
2017-08-23Fix BIF timer race between timeout and auto cleanupRickard Green
2017-08-23Fix scheduler id field in timersRickard Green
2017-08-23arith_instrs.tab: Clean up bsl/bsrBjörn Gustavsson
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.
2017-08-23Merge branch 'maint'Rickard Green
* maint: Unicode support for erlang:display_string/1
2017-08-23Merge branch 'rickard/unicode-display_string/OTP-14545' into maintRickard Green
* rickard/unicode-display_string/OTP-14545: Unicode support for erlang:display_string/1
2017-08-23Unicode support for erlang:display_string/1Rickard Green
2017-08-23Merge branch 'maint'Sverker Eriksson
2017-08-23Merge branch 'lukas/erts/fix_dirty_trace_message_flush/OTP-14538'Lukas Larsson
* lukas/erts/fix_dirty_trace_message_flush/OTP-14538: erts: Fix incorrect merge of dirty_trace_message_flush fix to master
2017-08-23Merge branch 'sverker/halt-unicode-slogan/OTP-14553' into maintSverker Eriksson
* 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
2017-08-23erts: Fix incorrect merge of dirty_trace_message_flush fix to masterLukas Larsson
2017-08-23beam_makeops: Stop using the Arg() macroBjörn Gustavsson
Generated code uses 'I' explicitly in other places, so it can as well use 'I' when accessing the operands for instructions.
2017-08-23Eliminate the beam_instrs.h fileBjörn Gustavsson
The beam_instrs.h file serves no useful purpose. Put the instructions in beam_hot.h instead.
2017-08-23Add the 'S' type for a register sourceBjörn Gustavsson
The type 'd' could be used both for destination registers and source register. Restrict the 'd' type to only be used for destinations, and introduce the new 'S' type to be used when a source must be a register.
2017-08-23erts: Allow any unicode string as crash dump sloganSverker Eriksson
i.e the first argument to erlang:halt
2017-08-23Prepare releaseErlang/OTP
2017-08-23Merge branch 'john/erts/fix-binary-append-syslimit/OTP-14524' into maint-20Erlang/OTP
* john/erts/fix-binary-append-syslimit/OTP-14524: Check for overflow when appending binaries, and error out with system_limit # Conflicts: # erts/emulator/test/bs_construct_SUITE.erl
2017-08-23Merge branch 'maint'Dan Gudmundsson
* maint: Fix ANSI support in the console
2017-08-23Introduce more packable typesBjörn Gustavsson
The 'I' type can be replaced with 't' if we know that the value will fit in 16 bits. The 'P' type can be replaced with 'Q' if it is used for deallocating a stack frame.
2017-08-23Pack cold instructions tooBjörn Gustavsson
Cold instructions used to be cooler (less frequently executed), so it did not seem worthwhile to pack their operands. Now bit syntax instructions are included among the cold instructions, and they are frequently used.
2017-08-23Pack instructions using 'q', 'c', and 's'Björn Gustavsson
Update the pack engine to safely push literal operands to the pack stack and to safely pop them back to another code address. That will allow packing of more instructions.
2017-08-23beam_makeops: Rewrite the packer, fixing several bugsBjörn Gustavsson
The packer had several bugs and limitations. For instance, on a 32-bit Erlang virtual machine it would gladly pack three 't' values into one word even though it would be not safe. The rewritten version will be more careful how much it packs into each word. It will also be able to do packing for more instructions.
2017-08-23Make map update instruction functions indepedent of instruction formatBjörn Gustavsson
Having the helper functions for map update knowing all the details of operands for the instruction will make it difficult to make improvements such as better packing.
2017-08-23beam_makeops: Introduce the new type 'W' (machine word)Björn Gustavsson
As a preparation for potentially improving packing in the future, we will need to make sure that packable types have a defined maximum size. The packer algorithm assumes that two 'I' operands can be packed into one 64-bit word, but there are instructions that use an 'I' operand to store a pointer. It only works because those instructions are not packed for other reasons. Introduce the 'W' type and use it for operands that don't fit in 32 bits.
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