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We changed ScopeNodes to point to their parent (previous) ScopeNodes.
Accordingly, we can remove pm_compile_context_t, and store all
necessary context in ScopeNodes, allowing us to access locals from
outer scopes.
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Co-authored-by: John Hawthorn <john@hawthorn.email>
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Some people encounter an issue that test_yjit uses the installed Ruby
instead of the currently-running Ruby. It's fixed when they remove the
installed Ruby.
However, test_yjit should run the currently-running Ruby for testing
YJIT in subprocesses. EnvUtil is unfortunately used outside tests as
well, so for compatibility reasons, this commit only changes the
argument given to EnvUtil.invoke_ruby to always use RbConfig.ruby.
Co-authored-by: Alan Wu <XrXr@users.noreply.github.com>
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If `RUBY_MN_THREADS=1` is given, this patch shows `+MN` in
`RUBY_DESCRIPTION` like:
```
$ RUBY_MN_THREADS=1 ./miniruby --yjit -v
ruby 3.3.0dev (2023-10-17T04:10:14Z master 908f8fffa2) +YJIT +MN [x86_64-linux]
```
Before this patch, a warning is displayed if `$VERBOSE` is given.
However it can make troubles with tests (with `$VERBOSE`), do not
show any warning with a MN threads configuration.
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* Fixed ConstantPathWriteNode
* FIxed FlipFlopNode
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prevent underflow on popped splatarray
This only emits the splat array node when not popped
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* Fix compiling UndefNodes
* Fix compiling super on ClassNode
* Fix compile popped for ModuleNode
* Add checks for NULL nodes
* Only add newhash if not popped
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* YJIT: Fallback opt_getconstant_path for const_missing
* Fix a comment [ci skip]
* Remove a wrapper function
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condition
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Use `peekc` or `nextc` to fetch the next character, instead of reading
from `lex.pcur` directly, for compilers that plain char is signed.
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https://github.com/ruby/securerandom/commit/029677584d
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This patch introduce M:N thread scheduler for Ractor system.
In general, M:N thread scheduler employs N native threads (OS threads)
to manage M user-level threads (Ruby threads in this case).
On the Ruby interpreter, 1 native thread is provided for 1 Ractor
and all Ruby threads are managed by the native thread.
From Ruby 1.9, the interpreter uses 1:1 thread scheduler which means
1 Ruby thread has 1 native thread. M:N scheduler change this strategy.
Because of compatibility issue (and stableness issue of the implementation)
main Ractor doesn't use M:N scheduler on default. On the other words,
threads on the main Ractor will be managed with 1:1 thread scheduler.
There are additional settings by environment variables:
`RUBY_MN_THREADS=1` enables M:N thread scheduler on the main ractor.
Note that non-main ractors use the M:N scheduler without this
configuration. With this configuration, single ractor applications
run threads on M:1 thread scheduler (green threads, user-level threads).
`RUBY_MAX_CPU=n` specifies maximum number of native threads for
M:N scheduler (default: 8).
This patch will be reverted soon if non-easy issues are found.
[Bug #19842]
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`RbConfig::SIZEOF` has been added later than the time this check was
committed first.
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It is required in the always defined class level.
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ElseNode looks to have been implemented at the same time as IfNode, but
was resulting in a stack underflow error.
The following is from the test code
```
if foo
bar
end
```
```
❯ make run
compiling compile.c
linking miniruby
./miniruby -I./lib -I. -I.ext/common -r./arm64-darwin22-fake ./test.rb
CRUBY: **************************************************
== disasm: #<ISeq:<compiled>@<compiled>:1 (1,0)-(2,19)>
0000 putself ( 2)[Li]
0001 opt_send_without_block <calldata!mid:foo, argc:0, FCALL|VCALL|ARGS_SIMPLE>
0003 branchunless 9
0005 putself
0006 opt_send_without_block <calldata!mid:bar, argc:0, FCALL|VCALL|ARGS_SIMPLE>
0008 pop
0009 putobject_INT2FIX_1_
0010 leave
PRISM: **************************************************
-- raw disasm--------
0000 putself ( 2)
0001 send <calldata:foo, 0>, nil ( 2)
0004 branchunless <L001> ( 2)
0006 jump <L000> ( 2)
<L000> [sp: 0]
* 0008 pop ( 1)
0009 putself ( 2)
0010 send <calldata:bar, 0>, nil ( 2)
0013 pop ( 2)
0014 jump <L002> ( 1)
<L001> [sp: 0]
<L002> [sp: -1]
0016 putobject 1 ( 2)
0018 leave ( 1)
---------------------
<compiled>: <compiled>:1: argument stack underflow (-1) (SyntaxError)
make: *** [run] Error 1
```
This commit fixes the stack underflow error for both IfNode and ElseNode
and introduces tests for them.
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And default to the corresponding instance variables.
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* YJIT: Chain-guard opt_mult overflow
* YJIT: Support regenerating Jo after Mul
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Restore `rescue`-context from the outer context.
`retry` targets the next outer block except for between `rescue` and
`else` or `ensure`, otherwise, if there is no enclosing block, it
should be syntax error.
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This commit moves IO#readline to Ruby. In order to call C functions,
keyword arguments must be converted to hashes. Prior to this commit,
code like `io.readline(chomp: true)` would allocate a hash. This
commits moves the keyword "denaturing" to Ruby, allowing us to send
positional arguments to the C API and avoiding the hash allocation.
Here is an allocation benchmark for the method:
```
x = GC.stat(:total_allocated_objects)
File.open("/usr/share/dict/words") do |f|
f.readline(chomp: true) until f.eof?
end
p ALLOCATIONS: GC.stat(:total_allocated_objects) - x
```
Before this commit, the output was this:
```
$ make run
./miniruby -I./lib -I. -I.ext/common -r./arm64-darwin22-fake ./test.rb
{:ALLOCATIONS=>707939}
```
Now it is this:
```
$ make run
./miniruby -I./lib -I. -I.ext/common -r./arm64-darwin22-fake ./test.rb
{:ALLOCATIONS=>471962}
```
[Bug #19890] [ruby-core:114803]
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Fixes [Bug #17146]
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