Граф коммитов

283 Коммитов

Автор SHA1 Сообщение Дата
k0kubun 612985f5bf mjit.c: fix -Wdiscarded-qualifiers warning
../mjit.c: In function ‘system_tmpdir’:
../mjit.c:1231:9: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
  tmpdir = "/tmp";
         ^
../mjit.c: At top level:

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62288 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-07 14:08:24 +00:00
nobu a8c03c45c4 mjit.c: system_tmpdir
* mjit.c (system_tmpdir): use system provided temporary directory,
  and TMPDIR as well as mktemp(1), before TMP and "/tmp".

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62283 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-07 13:41:32 +00:00
nobu 0dd0971ee7 mjit.c: fix buffer overflow
* mjit.c (sprint_uniq_filename): get rid of silent buffer
  overflow.

* mjit.c (get_uniq_filename, convert_unit_to_func): allocate
  enough buffer before formatting.

* mjit.c (convert_unit_to_func): use DLEXT instead of hard coded
  extension.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62281 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-07 13:26:09 +00:00
k0kubun a08ab9d1d6 mjit.c: windows should include fcntl.h too
Fixing build failure on mswin by r62279

mjit.c
../mjit.c(1137) : error C2065: 'O_RDONLY' : undeclared identifier
NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\BIN\amd64\cl.EXE"' : return code '0x2'

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62280 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-07 11:44:36 +00:00
nobu 2cb31e5327 mjit.c: FD instead of FILE
* mjit.c (init_header_filename): just FD instead of FILE to check
  file is accessible.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62279 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-07 08:14:15 +00:00
nobu 039db0d2fa mjit.c: fd is no longer valid after fclose
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62278 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-07 07:48:24 +00:00
nobu c5e114528b mjit.c: fix declaration of ruby_null_device
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62277 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-07 07:29:02 +00:00
usa da83d210e0 mjit mswin support (WIP)
* mjit.c (compile_c_to_so): fixed broken xfree position.

	* mjit.c (init_header_filename): refactored.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62273 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-07 03:21:28 +00:00
nobu f0137f05e1 share ruby_null_device
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62268 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-06 23:40:19 +00:00
usa d8c19c3e6e mjit mswin support (WIP)
* win32/Makefile.sub (LIBRUBYARG_SHARED): define for MJIT because it is used in
  common.mk.

* mjit.c (make_pch): skip temporary for mswin.

* mjit.c (compile_c_to_so, init_header_filename, mjit_init): mswin support.

* mjig_compile.c (mjit_compile): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62267 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-06 18:59:18 +00:00
k0kubun 36991485d4 mjit.c: make null device portable
for future mswin support

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62266 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-06 16:57:46 +00:00
k0kubun e31eedbdb8 mjit.c: prefix "_ruby" to precompiled header too
for consistency and to clarify who created it.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62265 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-06 16:16:25 +00:00
nobu 15ede8ae82 mjit.c: try installed header only
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62262 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-06 16:03:10 +00:00
k0kubun 1a64f842ef mjit.c: handle fopen error
[Bug #14441]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62258 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-06 15:19:10 +00:00
kazu 1c8d23796f Fix wrong comment
`ruby_strdup` does not return NULL.
[ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62253 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-06 13:58:04 +00:00
nobu 2b90469ac7 mjit.c: suppress unused-value warning
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62251 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-06 13:23:25 +00:00
nobu 94d89c27d7 mjit.c: fixed missing variable
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62249 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-06 10:36:03 +00:00
nobu 4917aef04e mjit.c: build dir prefix
* mjit.c (init_header_filename): prepend basedir to header build
  dir too, so that the header can be found when running not in the
  build directory.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62248 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-06 10:30:53 +00:00
nobu 1f003810c2 thread_pthread.c: cast inside rb_thread_create_mjit_thread
* thread_pthread.c (rb_thread_create_mjit_thread): cast
  worker_func pointer to void pointer inside.  adjusted to the
  declaration in mjit.c and the definition in thread_win32.c.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62242 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-06 01:42:38 +00:00
nobu 75ffce2863 mjit.c: use ruby_strdup as get_string
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62241 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-06 01:42:37 +00:00
k0kubun b64f7258f4 mjit.c: fix MinGW warning by r62221
mjit.c: In function 'worker':
mjit.c:126:64: warning: passing argument 1 of '_InterlockedExchangePointer' from incompatible pointer type [-Wincompatible-pointer-types]
 #  define MJIT_ATOMIC_SET(var, val) InterlockedExchangePointer(&(var), val)
                                                                ^
mjit.c:828:17: note: in expansion of macro 'MJIT_ATOMIC_SET'
                 MJIT_ATOMIC_SET(node->unit->iseq->body->jit_func, func);
                 ^
In file included from C:/msys64/mingw64/x86_64-w64-mingw32/include/winnt.h:27:0,
                 from C:/msys64/mingw64/x86_64-w64-mingw32/include/minwindef.h:163,
                 from C:/msys64/mingw64/x86_64-w64-mingw32/include/windef.h:8,
                 from C:/msys64/mingw64/x86_64-w64-mingw32/include/windows.h:69,
                 from C:/msys64/mingw64/x86_64-w64-mingw32/include/winsock2.h:23,
                 from ./include/ruby/win32.h:41,
                 from ./include/ruby/defines.h:250,
                 from ./include/ruby/ruby.h:29,
                 from ./include/ruby.h:33,
                 from internal.h:15,
                 from mjit.c:76:
C:/msys64/mingw64/x86_64-w64-mingw32/include/psdk_inc/intrin-impl.h:1420:7: note: expected 'void * volatile*' but argument is of type 'VALUE (**)(struct rb_execution_context_struct *, struct rb_control_frame_struct *) {aka long long unsigned int (**)(struct rb_execution_context_struct *, struct rb_control_frame_struct *)}'
 void *_InterlockedExchangePointer(void *volatile *Target,void *Value) {
       ^~~~~~~~~~~~~~~~~~~~~~~~~~~

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62239 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-05 17:00:43 +00:00
k0kubun 1fd0a7a660 mjit.c: determine prefix of MJIT header at runtime
so that MJIT can work if Ruby is distributed as prebuilt binary.

Now mjit_init() depends on the internal const TMP_RUBY_PREFIX which is
only available after ruby_init_loadpath_safe() (L1608) and before
ruby_init_prelude() (L1681). So the place of mjit_init() is moved.

Makefile.in: Removed static prefix from MJIT_HEADER_ISNTALL_DIR macro.
And this removes the unused LIBRUBY_LIBDIR macro as well.
win32/Makefile.sub: ditto.

Patch by: Lars Kanis <lars@greiz-reinsdorf.de>
[Bug #14445]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62238 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-05 16:51:12 +00:00
k0kubun 827322569f mjit.c: prefer using --jit-cc=clang if __clang__
is defined.  This is basically for OpenBSD.

Failure on using the compiler which is
not used for Ruby compilation is not supported.

[Bug #14440]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62230 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-05 12:57:24 +00:00
k0kubun d7195ec5c3 mjit.c: try changing the order of includes
Hoping to fix the AIX's build failure like:

In file included from ./include/ruby/defines.h:139:0,
                 from ./include/ruby/ruby.h:29,
                 from ./include/ruby.h:33,
                 from internal.h:15,
                 from mjit.c:81:
/opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/4.8.1/include-fixed/unistd.h:939:14: error: conflicting types for 'ftruncate64'
  extern int  ftruncate64(int, off64_t);
              ^
In file included from ./include/ruby/defines.h:139:0,
                 from ./include/ruby/ruby.h:29,
                 from ./include/ruby.h:33,
                 from internal.h:15,
                 from mjit.c:81:
/opt/freeware/lib/gcc/powerpc-ibm-aix7.1.0.0/4.8.1/include-fixed/unistd.h:937:14: note: previous declaration of 'ftruncate64' was here
  extern int  ftruncate(int, off_t);
              ^

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62227 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-05 12:33:36 +00:00
shyouhei 8427fca49b assigning void* to a function pointer is a POSIXism
No implicit cast is defined between these types.  Should be explicit.
Also, NULL is defined to be ((void*)0) so not usable as a function
pointer value.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62221 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-05 04:17:44 +00:00
shyouhei 779c18bf23 va_copy is a C99ism
Should provide appropriate fallback implementation.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62220 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-05 04:07:25 +00:00
k0kubun 2c179b12de mjit.c: define __EXTENSIONS__ earlier
Another try of r62204 and r62192.

As far as I can see from solaris's signal.h and sys/procset.h, the only
possibility that causes the following error would be that sys/procset.h
is included without __EXTENSIONS__ and signal.h included it again but it
doesn't define procset_t.  Let's define __EXTENSIONS__ from first.

---
In file included from vm_core.h:87:0,
                 from mjit.c:85:
/usr/include/signal.h:77:29: error: unknown type name 'procset_t'
 extern int sigsendset(const procset_t *, int);
                             ^

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62211 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-04 15:40:06 +00:00
k0kubun ec7dd29902 mjit.c: another try for fixing solaris build
Reverted r62192 and added another try.
I prepared Solaris environment but I couldn't reproduce the RubyCI build
failure. So I'm testing on trunk.

I found the following article and it fixed the same problem with passing
`-D__EXTENSIONS__`. So this commit defines `__EXTENSIONS__` for Solaris.
https://bitbucket.org/ged/ruby-pg/issues/236/compile-error-usr-include-signalh-92-1

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62204 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-04 13:49:38 +00:00
k0kubun ed935aa5be mjit_compile.c: merge initial JIT compiler
which has been developed by Takashi Kokubun <takashikkbn@gmail> as
YARV-MJIT. Many of its bugs are fixed by wanabe <s.wanabe@gmail.com>.

This JIT compiler is designed to be a safe migration path to introduce
JIT compiler to MRI. So this commit does not include any bytecode
changes or dynamic instruction modifications, which are done in original
MJIT.

This commit even strips off some aggressive optimizations from
YARV-MJIT, and thus it's slower than YARV-MJIT too. But it's still
fairly faster than Ruby 2.5 in some benchmarks (attached below).

Note that this JIT compiler passes `make test`, `make test-all`, `make
test-spec` without JIT, and even with JIT. Not only it's perfectly safe
with JIT disabled because it does not replace VM instructions unlike
MJIT, but also with JIT enabled it stably runs Ruby applications
including Rails applications.

I'm expecting this version as just "initial" JIT compiler. I have many
optimization ideas which are skipped for initial merging, and you may
easily replace this JIT compiler with a faster one by just replacing
mjit_compile.c. `mjit_compile` interface is designed for the purpose.

common.mk: update dependencies for mjit_compile.c.

internal.h: declare `rb_vm_insn_addr2insn` for MJIT.

vm.c: exclude some definitions if `-DMJIT_HEADER` is provided to
compiler. This avoids to include some functions which take a long time
to compile, e.g. vm_exec_core. Some of the purpose is achieved in
transform_mjit_header.rb (see `IGNORED_FUNCTIONS`) but others are
manually resolved for now. Load mjit_helper.h for MJIT header.
mjit_helper.h: New. This is a file used only by JIT-ed code. I'll
refactor `mjit_call_cfunc` later.
vm_eval.c: add some #ifdef switches to skip compiling some functions
like Init_vm_eval.

win32/mkexports.rb: export thread/ec functions, which are used by MJIT.

include/ruby/defines.h: add MJIT_FUNC_EXPORTED macro alis to clarify
that a function is exported only for MJIT.

array.c: export a function used by MJIT.
bignum.c: ditto.
class.c: ditto.
compile.c: ditto.
error.c: ditto.
gc.c: ditto.
hash.c: ditto.
iseq.c: ditto.
numeric.c: ditto.
object.c: ditto.
proc.c: ditto.
re.c: ditto.
st.c: ditto.
string.c: ditto.
thread.c: ditto.
variable.c: ditto.
vm_backtrace.c: ditto.
vm_insnhelper.c: ditto.
vm_method.c: ditto.

I would like to improve maintainability of function exports, but I
believe this way is acceptable as initial merging if we clarify the
new exports are for MJIT (so that we can use them as TODO list to fix)
and add unit tests to detect unresolved symbols.
I'll add unit tests of JIT compilations in succeeding commits.

Author: Takashi Kokubun <takashikkbn@gmail.com>
Contributor: wanabe <s.wanabe@gmail.com>

Part of [Feature #14235]

---

* Known issues
  * Code generated by gcc is faster than clang. The benchmark may be worse
    in macOS. Following benchmark result is provided by gcc w/ Linux.
  * Performance is decreased when Google Chrome is running
  * JIT can work on MinGW, but it doesn't improve performance at least
    in short running benchmark.
  * Currently it doesn't perform well with Rails. We'll try to fix this
    before release.

---

* Benchmark reslts

Benchmarked with:
Intel 4.0GHz i7-4790K with 16GB memory under x86-64 Ubuntu 8 Cores

- 2.0.0-p0: Ruby 2.0.0-p0
- r62186: Ruby trunk (early 2.6.0), before MJIT changes
- JIT off: On this commit, but without `--jit` option
- JIT on: On this commit, and with `--jit` option

** Optcarrot fps

Benchmark: https://github.com/mame/optcarrot

|         |2.0.0-p0 |r62186   |JIT off  |JIT on   |
|:--------|:--------|:--------|:--------|:--------|
|fps      |37.32    |51.46    |51.31    |58.88    |
|vs 2.0.0 |1.00x    |1.38x    |1.37x    |1.58x    |

** MJIT benchmarks

Benchmark: https://github.com/benchmark-driver/mjit-benchmarks
(Original: https://github.com/vnmakarov/ruby/tree/rtl_mjit_branch/MJIT-benchmarks)

|           |2.0.0-p0 |r62186   |JIT off  |JIT on   |
|:----------|:--------|:--------|:--------|:--------|
|aread      |1.00     |1.09     |1.07     |2.19     |
|aref       |1.00     |1.13     |1.11     |2.22     |
|aset       |1.00     |1.50     |1.45     |2.64     |
|awrite     |1.00     |1.17     |1.13     |2.20     |
|call       |1.00     |1.29     |1.26     |2.02     |
|const2     |1.00     |1.10     |1.10     |2.19     |
|const      |1.00     |1.11     |1.10     |2.19     |
|fannk      |1.00     |1.04     |1.02     |1.00     |
|fib        |1.00     |1.32     |1.31     |1.84     |
|ivread     |1.00     |1.13     |1.12     |2.43     |
|ivwrite    |1.00     |1.23     |1.21     |2.40     |
|mandelbrot |1.00     |1.13     |1.16     |1.28     |
|meteor     |1.00     |2.97     |2.92     |3.17     |
|nbody      |1.00     |1.17     |1.15     |1.49     |
|nest-ntimes|1.00     |1.22     |1.20     |1.39     |
|nest-while |1.00     |1.10     |1.10     |1.37     |
|norm       |1.00     |1.18     |1.16     |1.24     |
|nsvb       |1.00     |1.16     |1.16     |1.17     |
|red-black  |1.00     |1.02     |0.99     |1.12     |
|sieve      |1.00     |1.30     |1.28     |1.62     |
|trees      |1.00     |1.14     |1.13     |1.19     |
|while      |1.00     |1.12     |1.11     |2.41     |

** Discourse's script/bench.rb

Benchmark: https://github.com/discourse/discourse/blob/v1.8.7/script/bench.rb

NOTE: Rails performance was somehow a little degraded with JIT for now.
We should fix this.
(At least I know opt_aref is performing badly in JIT and I have an idea
 to fix it. Please wait for the fix.)

*** JIT off
Your Results: (note for timings- percentile is first, duration is second in millisecs)

categories_admin:
  50: 17
  75: 18
  90: 22
  99: 29
home_admin:
  50: 21
  75: 21
  90: 27
  99: 40
topic_admin:
  50: 17
  75: 18
  90: 22
  99: 32
categories:
  50: 35
  75: 41
  90: 43
  99: 77
home:
  50: 39
  75: 46
  90: 49
  99: 95
topic:
  50: 46
  75: 52
  90: 56
  99: 101

*** JIT on
Your Results: (note for timings- percentile is first, duration is second in millisecs)

categories_admin:
  50: 19
  75: 21
  90: 25
  99: 33
home_admin:
  50: 24
  75: 26
  90: 30
  99: 35
topic_admin:
  50: 19
  75: 20
  90: 25
  99: 30
categories:
  50: 40
  75: 44
  90: 48
  99: 76
home:
  50: 42
  75: 48
  90: 51
  99: 89
topic:
  50: 49
  75: 55
  90: 58
  99: 99

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62197 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-04 11:22:28 +00:00
k0kubun 329776cd3d mjit.c: use InterlockedExchangePointer
for Windows, if it's available.

Before this commit, Windows builds printed following warnings.
mjit.c
../mjit.c(802) : warning C4047: 'function' : 'volatile LONG *' differs in levels of indirection from 'void **'
../mjit.c(802) : warning C4024: '_InterlockedExchange' : different types for formal and actual parameter 1
../mjit.c(802) : warning C4047: 'function' : 'LONG' differs in levels of indirection from 'void *'
../mjit.c(802) : warning C4024: '_InterlockedExchange' : different types for formal and actual parameter 2

ATOMIC_SET is using InterlockedExchange which takes LONG as its value.
As InterlockedExchangePointer takes PVOID, we should use this to set
function pointer atomically.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62193 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-04 08:24:58 +00:00
k0kubun 328666a6c2 mjit.c: try to fix Solaris build failure
In file included from vm_core.h:87:0,
                 from mjit.c:81:
/usr/include/signal.h:71:29: error: unknown type name 'procset_t'
 extern int sigsendset(const procset_t *, int);
                             ^
In file included from mjit.c:81:0:
vm_core.h:90:16: error: '_SIGMAX' undeclared here (not in a function)
 # define NSIG (_SIGMAX + 1)      /* For QNX */
                ^
vm_core.h:93:19: note: in expansion of macro 'NSIG'
 #define RUBY_NSIG NSIG

Errors come from vm_core.h. But obviously I don't touch those parts.
So I guess we need something before vm_core.h.
I included internal.h before vm_core.h so that the situation becomes the
same as cont.c.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62192 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-04 07:52:54 +00:00
k0kubun 8a0678b4c3 mjit.c: try porting va_copy
for non C99 conforming environments.

The behavior of this macro is undefined, but I heard this works on many
architectures. Let me check the Ruby CI result with this change.
(My Windows environment has only Visual Studio 2015 and va_copy is
provided in it...)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62191 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-04 07:43:20 +00:00
k0kubun fd44a5777f mjit.c: merge MJIT infrastructure
that allows to JIT-compile Ruby methods by generating C code and
using C compiler.  See the first comment of mjit.c to know what this
file does.

mjit.c is authored by Vladimir Makarov <vmakarov@redhat.com>.
After he invented great method JIT infrastructure for MRI as MJIT,
Lars Kanis <lars@greiz-reinsdorf.de> sent the patch to support MinGW
in MJIT. In addition to merging it, I ported pthread to Windows native
threads. Now this MJIT infrastructure can be compiled on Visual Studio.

This commit simplifies mjit.c to decrease code at initial merge. For
example, this commit does not provide multiple JIT threads support.
We can resurrect them later if we really want them, but I wanted to minimize
diff to make it easier to review this patch.

`/tmp/_mjitXXX` file is renamed to `/tmp/_ruby_mjitXXX` because non-Ruby
developers may not know the name "mjit" and the file name should make
sure it's from Ruby and not from some harmful programs.  TODO: it may be
better to store this to some temporary directory which Ruby is already using
by Tempfile, if it's not bad for performance.

mjit.h: New. It has `mjit_exec` interface similar to `vm_exec`, which is
for triggering MJIT. This drops interface for AOT compared to the original
MJIT.

Makefile.in: define macros to let MJIT know the path of MJIT header.
Probably we can refactor this to reduce the number of macros (TODO).
win32/Makefile.sub: ditto.

common.mk: compile mjit.o and mjit_compile.o. Unlike original MJIT, this
commit separates MJIT infrastructure and JIT compiler code as independent
object files. As initial patch is NOT going to have ultra-fast JIT compiler,
it's likely to replace JIT compiler, e.g. original MJIT's compiler or some
future JIT impelementations which are not public now.

inits.c: define MJIT module. This is added because `MJIT.enabled?` was
necessary for testing.
test/lib/zombie_hunter.rb: skip if `MJIT.enabled?`. Obviously this
wouldn't work with current code when JIT is enabled.
test/ruby/test_io.rb: skip this too. This would make no sense with MJIT.

ruby.c: define MJIT CLI options. As major difference from original MJIT,
"-j:l"/"--jit:llvm" are renamed to "--jit-cc" because I want to support
not only gcc/clang but also cl.exe (Visual Studio) in the future. But it
takes only "--jit-cc=gcc", "--jit-cc=clang" for now. And only long "--jit"
options are allowed since some Ruby committers preferred it at Ruby
developers Meeting on January, and some of options are renamed.
This file also triggers to initialize MJIT thread and variables.
eval.c: finalize MJIT worker thread and variables.
test/ruby/test_rubyoptions.rb: fix number of CLI options for --jit.

thread_pthread.c: change for pthread abstraction in MJIT. Prefix rb_ for
functions which are used by other files.
thread_win32.c: ditto, for Windows.  Those pthread porting is one of major
works that YARV-MJIT created, which is my fork of MJIT, in Feature 14235.
thread.c: follow rb_ prefix changes

vm.c: trigger MJIT call on VM invocation. Also trigger `mjit_mark` to avoid
SEGV by race between JIT and GC of ISeq. The improvement was provided by
wanabe <s.wanabe@gmail.com>.
In JIT compiler I created and am going to add in my next commit, I found
that having `mjit_exec` after `vm_loop_start:` is harmful because the
JIT-ed function doesn't proceed other ISeqs on RESTORE_REGS of leave insn.
Executing non-FINISH frame is unexpected for my JIT compiler and
`exception_handler` triggers executions of such ISeqs. So `mjit_exec`
here should be executed only when it directly comes from `vm_exec` call.
`RubyVM::MJIT` module and `.enabled?` method is added so that we can skip
some tests which don't expect JIT threads or compiler file descriptors.

vm_insnhelper.h: trigger MJIT on method calls during VM execution.

vm_core.h: add fields required for mjit.c. `bp` must be `cfp[6]` because
rb_control_frame_struct is likely to be casted to another struct. The
last position is the safest place to add the new field.
vm_insnhelper.c: save initial value of cfp->ep as cfp->bp. This is an
optimization which are done in both MJIT and YARV-MJIT. So this change
is added in this commit. Calculating bp from ep is a little heavy work,
so bp is kind of cache for it.

iseq.c: notify ISeq GC to MJIT. We should know which iseq in MJIT queue
is GCed to avoid SEGV.  TODO: unload some GCed units in some safe way.

gc.c: add hooks so that MJIT can wait GC, and vice versa. Simultaneous
JIT and GC executions may cause SEGV and so we should synchronize them.

cont.c: save continuation information in MJIT worker. As MJIT shouldn't
unload JIT-ed code which is being used, MJIT wants to know full list of
saved execution contexts for continuation and detect ISeqs in use.

mjit_compile.c: added empty JIT compiler so that you can reuse this commit
to build your own JIT compiler. This commit tries to compile ISeqs but
all of them are considered as not supported in this commit. So you can't
use JIT compiler in this commit yet while we added --jit option now.

Patch author: Vladimir Makarov <vmakarov@redhat.com>.

Contributors:
Takashi Kokubun <takashikkbn@gmail.com>.
wanabe <s.wanabe@gmail.com>.
Lars Kanis <lars@greiz-reinsdorf.de>.

Part of Feature 12589 and 14235.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62189 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-04 06:58:09 +00:00