* Revert "Extract `do_mutex_lock_check_interrupts` to try and fix `ppc64le`. (#8393)"
This reverts commit 5184b40dd4.
* .travis.yml: Try default gcc 9.4.0 instead of gcc-10 in ppc64le and s390x.
Use gcc 9.4.0 instead of gcc-10 to avoid the current failures by a possible GCC
10 compiler bug in the Travis ppc64le and s390x cases. And it also aligns with
RubyCI Ubuntu ppc64le and s390x where the default gcc is used.
---------
Co-authored-by: Jun Aruga <jaruga@ruby-lang.org>
* Add getbyte JIT implementation
Adds an implementation for String#getbyte for YJIT, along with a
bootstrap test. This should be helpful for pure Ruby implementations
and to avoid unneeded allocations.
Co-authored-by: John Hawthorn <jhawthorn@github.com>
* Skip the getbyte test for RJIT for now
---------
Co-authored-by: John Hawthorn <jhawthorn@github.com>
Co-authored-by: Takashi Kokubun <takashikkbn@gmail.com>
Previously, configuring any GC event hook would cause all allocations to
go through the newobj slowpath. We should only need to do that when the
newobj specifically is subscribed to.
This renames flags.has_hook to flags.has_newobj_hook, to make this new
usage clear. newobj_of0 was the only place which previously checked this
flag.
When interrupt behavior is configured for all possible exceptions using
'Exception', there's no need to iterate the pending exception's
ancestors for hash lookups.
More significantly, by storing the catch-all timing symbol directly in
the mask stack, we can skip allocating the hash we would otherwise need.
If the supplied hash is already frozen and compare-by-identity, we can
use it directly (still checking its contents are valid symbols), without
making a new copy.
The parser now passes around `yp_diagnostic_id_t` for diagnostic
messages instead of character strings, and we rely on the function
`diagnostic_message()` to resolve that to a string.
In addition, many messages were edited so that the parser expresses
coordinate ideas in similar form [1] using consistent voice and
typographic conventions.
Closes https://github.com/ruby/yarp/pull/1379, and makes progress on #941.
[1] Strunk & White rule 19
https://github.com/ruby/yarp/commit/0b6dd85bf1
Before this commit, constants in the constant pool were assumed to
be slices of the source string. This works in _almost_ all cases.
There are times, however, when a string needs to be synthesized.
This can occur when passing in locals that need to be scoped through
eval, or when generating method names like `foo=`.
After this commit, there is a single bit `owned` boolean on
constants in the pool that indicates whether or not it is a slice
of the source string. If it is not, it is assumed to be allocated
memory that should be freed by the constant pool when the constant
pool is freed.
When serializing, the most significant bit in the location of the
contents of the constant indicates whether or not it is owned.
When it is, instead of 4 bytes for the source offset and 4 bytes
for the length it is instead 4 bytes for the buffer offset and 4
bytes the length. The contents of the owned constants are embedded
into the buffer after the constant pool itself.
https://github.com/ruby/yarp/commit/461c047365
* Remove function call for String#bytesize
String size is stored in a consistent location, so we can eliminate the
function call.
* Update yjit/src/codegen.rs
Co-authored-by: Takashi Kokubun <takashikkbn@gmail.com>
---------
Co-authored-by: Maxime Chevalier-Boisvert <maximechevalierb@gmail.com>
Co-authored-by: Takashi Kokubun <takashikkbn@gmail.com>
We found some tests were hanging in `do_mutex_lock`, specifically the
fiber scheduler autoload test. After much investigation, it may be a code
generation bug. Because we didn't change the code, but only extracted it
into a separate function, and it appears to fix the problem.
`ppc64le` appears to be struggling with this test due to timeout. Let's see
if reducing the number of iterations can help improve the test performance.
When @allow_cached is true, @allow_local is always true,
therefore, the #installed_specs will always be merged after #cached_specs
is called. This makes starting with installed_specs.dup redundant.
When #cached_specs is called because @allow_remote is true and
@allow_cached is false, then installed_specs will be added after
cached_specs based on @allow_local.
We never need to add installed_specs here, so don't.
https://github.com/rubygems/rubygems/commit/49b38f9750
Rename Index#use(override = true) to #merge!
Rename Index @all_specs to @duplicates, it is not actually all specs.
@duplicates only holds specs that would have been overridden during a call to
Index#use or Index#merge!
Reduced dupes in @duplicates by not double adding the new spec to the
index and the @duplicates during #merge!
Reduce Array creation by using specialized methods when the one result
or no results are needed from the search.
https://github.com/rubygems/rubygems/commit/47e91125db
This test sometimes fails with:
```
1) Failure:
TestProcess#test_warmup_frees_pages [test/ruby/test_process.rb:2750]:
<202> expected but was
<203>.
```
* YJIT: Make compiled_* stats available by default
* Update comment about default counters [ci skip]
Co-authored-by: Maxime Chevalier-Boisvert <maximechevalierb@gmail.com>
---------
Co-authored-by: Maxime Chevalier-Boisvert <maximechevalierb@gmail.com>
There's a missing write barrier for operands in the iseq instruction
list, which can cause crashes.
It can be reproduced when Ruby is compiled with `-DRUBY_DEBUG_ENV=1`.
Using the following command:
```
RUBY_GC_HEAP_OLDOBJECT_LIMIT_FACTOR=0 RUBY_DEBUG=gc_stress ruby -w --disable=gems -Itool/lib -W0 test.rb
```
The following script crashes:
```
require "test/unit"
```
This should help fix the following flaky test:
```
1) Failure:
TestProcess#test_warmup_frees_pages [test/ruby/test_process.rb:2751]:
<0> expected but was
<1>.
```
Samuel Williams
dependabot[bot]
Nobuyoshi Nakada
Ian Candy
Takashi Kokubun
John Hawthorn
Matthew Draper
Mike Dalessio
Jean Boussier
Jemma Issroff
Nathan Froyd
Kevin Newton
Aaron Patterson
git
Martin Emde
Burdette Lamar
Vinicius Stock
Alan Wu
Andy Waite
Peter Zhu
Benoit Daloze