зеркало из https://github.com/github/ruby.git
Try default `gcc` 9.4.0 to see if it exhibits the same compiler bugs. (#8394)
* 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>
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@ -82,12 +82,12 @@ env:
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- &ppc64le-linux
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name: ppc64le-linux
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arch: ppc64le
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<<: *gcc-10
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compiler: gcc
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- &s390x-linux
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name: s390x-linux
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arch: s390x
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<<: *gcc-10
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compiler: gcc
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- &arm32-linux
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name: arm32-linux
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@ -290,28 +290,6 @@ delete_from_waitq(VALUE value)
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return Qnil;
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}
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static void
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do_mutex_lock_check_interrupts(int interruptible_p, rb_fiber_t *fiber, rb_mutex_t *mutex, rb_thread_t *thread)
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{
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// We extracted this function because we suspect there can be a codegen bug
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// on ppc64le and moving this code to a separate function seems to fix the
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// problem, at least in my tests.
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if (interruptible_p) {
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/* release mutex before checking for interrupts...as interrupt checking
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* code might call rb_raise() */
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if (mutex->fiber == fiber) {
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mutex->fiber = 0;
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}
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RUBY_VM_CHECK_INTS_BLOCKING(thread->ec); /* may release mutex */
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if (!mutex->fiber) {
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mutex->fiber = fiber;
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}
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}
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}
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static VALUE
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do_mutex_lock(VALUE self, int interruptible_p)
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{
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@ -400,7 +378,15 @@ do_mutex_lock(VALUE self, int interruptible_p)
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rb_ractor_sleeper_threads_dec(th->ractor);
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}
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do_mutex_lock_check_interrupts(interruptible_p, fiber, mutex, th);
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if (interruptible_p) {
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/* release mutex before checking for interrupts...as interrupt checking
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* code might call rb_raise() */
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if (mutex->fiber == fiber) mutex->fiber = 0;
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RUBY_VM_CHECK_INTS_BLOCKING(th->ec); /* may release mutex */
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if (!mutex->fiber) {
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mutex->fiber = fiber;
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}
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}
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}
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if (mutex->fiber == fiber) mutex_locked(th, self);
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