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2015-07-03Change the meaning of 'x' in a transformationBjörn Gustavsson
The purpose of this series of commits is to improve code generation for the Clang compiler. As a first step we want to change the meaning of 'x' in a transformation such as: operation Literal=q => move Literal x | operation x Currently, a plain 'x' means reg[0] or x(0), which is the first element in the X register array. That element is distinct from r(0) which is a variable in process_main(). Therefore, since r(0) and x(0) are currently distinct it is fine to use x(0) as a scratch register. However, in the next commit we will eliminate the separate variable for storing the contents of X register zero (thus, x(0) and r(0) will point to the same location in the X register array). Therefore, we must use another scratch register in transformation. Redefine a plain 'x' in a transformation to mean x(1023). Also define SCRATCH_X_REG so that we can refer to the register by name from C code.
2015-07-03beam_emu.c: Remove unused MoveGenDest macroBjörn Gustavsson
2015-07-03beam_makeops: Eliminate crash because of unsafe packingBjörn Gustavsson
Consider an hypothetical instruction: do_something x x c The loader would crash if we tried to load an instance of the instruction with the last operand referencing a literal: {do_something,{x,0},{x,1},{literal,{a,b,c}}} Teach beam_makeops to turn off packing for such unsafe instructions.
2015-07-03Merge branch 'maint'Björn Gustavsson
* maint: Add a smoke test of erts_debug:df/1 Correct disassembly of the i_get_map_elements instruction
2015-07-02Add a smoke test of erts_debug:df/1Björn Gustavsson
Run erts_debug:df/1 for all loaded modules. On my reasonably fast, modern computer this test case runs in approximately 10 seconds. To avoid spending many minutes running this test case on older computers, limit the running time to 20 seconds. While we are at it, remove all ?line macros.
2015-07-02Correct disassembly of the i_get_map_elements instructionBjörn Gustavsson
The emulator would crash.
2015-07-01erts: Remove halfword !HEAP_ON_C_STACKBjörn-Egil Dahlberg
2015-07-01Merge branch 'egil/remove-halfword/OTP-12883'Björn-Egil Dahlberg
* egil/remove-halfword/OTP-12883: (21 commits) erts: Remove halfword etp-commands erts: Remove halfword MemKind mseg erts: Remove halfword bases in ETS erts: Remove halfword CHECK_POINTER_MASK erts: Remove halfword relative printf erts: Remove halfword valgrind suppress file erts: Remove halfword specific tests erts: Remove halfword specific allocator types erts: Remove halfword BINARY RELs erts: Remove halfword is_same bases macro erts: Reinstate copy_object over-allocation optimization erts: Remove halfword copy_object_rel erts: Remove halfword object manipulation erts: Remove halfword heap relative comparisions erts: Remove halfword pointer compression erts: Remove halfword basic relative heap operations erts: Remove halfword from configure erts: Remove halfword in lib_src erts: Remove halfword in erl_nif.h erts: Remove halfword in erl_driver.h ...
2015-06-30Merge branch 'sverk/ets-unfix-delete-race/OTP-12870' into maintSverker Eriksson
* sverk/ets-unfix-delete-race/OTP-12870: erts: Fix ETS race between object deleter and table unfixer
2015-06-30Merge branch 'sverk/map-merge-trap' into maintSverker Eriksson
* sverk/map-merge-trap: erts: Expand test map_SUITE:t_bif_merge_and_check
2015-06-29Merge branch 'maint-17' into maintSverker Eriksson
Conflicts: OTP_VERSION erts/doc/src/notes.xml erts/vsn.mk otp_versions.table
2015-06-26erts: Fix ETS race between object deleter and table unfixerSverker Eriksson
causing the delete marked object to be left in the table after safe_fixtable(_,false) has returned. This is not super serious as the delete marked object is quite benign and will be deleted at the next unfix operation.
2015-06-25Merge branch 'sverk/poll-lost-wakeup/OTP-12859' into maint-17Erlang/OTP
* sverk/poll-lost-wakeup/OTP-12859: erts: Fix race in poller thread wake up
2015-06-24erts: Remove halfword MemKind msegBjörn-Egil Dahlberg
2015-06-24erts: Remove halfword bases in ETSBjörn-Egil Dahlberg
2015-06-24erts: Remove halfword CHECK_POINTER_MASKBjörn-Egil Dahlberg
2015-06-24erts: Remove halfword relative printfBjörn-Egil Dahlberg
2015-06-24erts: Remove halfword valgrind suppress fileBjörn-Egil Dahlberg
2015-06-24erts: Remove halfword specific testsBjörn-Egil Dahlberg
2015-06-24erts: Remove halfword specific allocator typesBjörn-Egil Dahlberg
2015-06-24erts: Remove halfword BINARY RELsBjörn-Egil Dahlberg
* ERTS_GET_BINARY_BYTES_REL * ERTS_GET_REAL_BIN_REL
2015-06-24erts: Remove halfword is_same bases macroBjörn-Egil Dahlberg
Keep is_same macro for readability but remove base pointers.
2015-06-24erts: Reinstate copy_object over-allocation optimizationBjörn-Egil Dahlberg
2015-06-24erts: Remove halfword copy_object_relBjörn-Egil Dahlberg
Near duplication of copy_object but with base ptr that is no longer used.
2015-06-24erts: Remove halfword object manipulationBjörn-Egil Dahlberg
* Remove macros size_object_rel, copy_struct_rel and copy_shallow_rel
2015-06-24erts: Remove halfword heap relative comparisionsBjörn-Egil Dahlberg
* Removed cmp_rel, cmp_rel_term and eq_rel
2015-06-24erts: Remove halfword pointer compressionBjörn-Egil Dahlberg
* Removed COMPRESS_POINTER and EXPAND_POINTER
2015-06-24erts: Remove halfword basic relative heap operationsBjörn-Egil Dahlberg
2015-06-24erts: Remove halfword in erl_nif.hBjörn-Egil Dahlberg
2015-06-24erts: Remove halfword in erl_driver.hBjörn-Egil Dahlberg
2015-06-24erts: Remove HALFWORD_HEAP definitionBjörn-Egil Dahlberg
2015-06-22erts: Fix race in poller thread wake upSverker Eriksson
2015-06-22Fix node/dist refc countRickard Green
2015-06-22erts: Expand test map_SUITE:t_bif_merge_and_checkSverker Eriksson
with merge of randomized maps.
2015-06-22Merge branch 'bruce/change-license'Bruce Yinhe
OTP-12845 * bruce/change-license: fix errors caused by changed line numbers Change license text to APLv2
2015-06-22Merge branch 'sverk/nosmp-init-timer-wheel'Sverker Eriksson
* sverk/nosmp-init-timer-wheel: erts: Fix timer wheel initialization bug for non smp
2015-06-20erts: Fix erl_poll on darwinBjörn-Egil Dahlberg
2015-06-18erts: Fix timer wheel initialization bug for non smpSverker Eriksson
Init esdp->timer_wheel as NULL to please setup_aux_work_timer().
2015-06-18Change license text to APLv2Bruce Yinhe
2015-06-17Merge branch 'egil/fix-erts_debug-disasm-select_tuple_arity'Björn-Egil Dahlberg
* egil/fix-erts_debug-disasm-select_tuple_arity: erts: Fix erts_debug:df/1 in debug
2015-06-17Merge branch 'sverk/poll-grow'Sverker Eriksson
* sverk/poll-grow: erts: Refactor growth of fd tables
2015-06-17erts: Refactor growth of fd tablesSverker Eriksson
to have one common implementation for both _kp and _nkp.
2015-06-17Merge branch 'egil/cuddle-tests'Björn-Egil Dahlberg
* egil/cuddle-tests: kernel: Remove ?line macros in inet_SUITE:t_gethostbyaddr/1 erts: Tweak statistics_SUITE:scheduler_wall_time/1
2015-06-17Merge branch 'egil/refactor-close'Björn-Egil Dahlberg
* egil/refactor-close: erts: Add brackets to statement
2015-06-17erts: Add brackets to statementBjörn-Egil Dahlberg
2015-06-17Merge branch 'egil/license-compliance/OTP-12848'Björn-Egil Dahlberg
* egil/license-compliance/OTP-12848: Revert "lcnt: Let runq locks reflect actual call location" Revert "Demote rare debug slogan of message discarding to debug build" Revert "Add missing error string to syslog logging in epmd" Revert "Add run queue index to process dump info" Revert "Add thread index to allocator enomem dump slogan" Revert "Add number of entries to mnesia copy debug message"
2015-06-17Merge branch 'rickard/io-bytes/OTP-12842'Rickard Green
* rickard/io-bytes/OTP-12842: Save IO bytes in scheduler specific data
2015-06-17Merge branch 'egil/lcnt-refactor/OTP-12846'Björn-Egil Dahlberg
* egil/lcnt-refactor/OTP-12846: erts: Refactor LCNT
2015-06-17erts: Fix erts_debug:df/1 in debugBjörn-Egil Dahlberg
Sentinels in select_tuple_arity instructions are not proper tuple arities and thus cannot be checked in debug. Print them as small integers instead.
2015-06-17Merge branch 'nybek/fix_so_linger_zero__simple'Raimo Niskanen
* nybek/fix_so_linger_zero__simple: Update prim_inet.beam Fix socket option {linger, {true, 0}} to abort TCP connections Apply 'show_econnreset' socket option to send errors as well Add 'show_econnreset' TCP socket option
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