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ZJIT: Enable IncrCounter for arm64 (#14086)

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Takashi Kokubun 2025-08-01 17:37:00 -07:00 • committed by GitHub
parent 3ad6bba136
commit 19cbf8406a
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2 changed files with 11 additions and 5 deletions
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11
test/ruby/test_zjit.rb
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@ -1095,6 +1095,14 @@ class TestZJIT < Test::Unit::TestCase
}, call_threshold: 2
end
def test_stats
assert_runs 'true', %q{
def test = 1
test
RubyVM::ZJIT.stats[:zjit_insns_count] > 0
}, stats: true
end
def test_zjit_option_uses_array_each_in_ruby
omit 'ZJIT wrongly compiles Array#each, so it is disabled for now'
assert_runs '"<internal:array>"', %q{
@ -1414,12 +1422,13 @@ class TestZJIT < Test::Unit::TestCase
end
# Run a Ruby process with ZJIT options and a pipe for writing test results
def eval_with_jit(script, call_threshold: 1, num_profiles: 1, timeout: 1000, pipe_fd:, debug: true)
def eval_with_jit(script, call_threshold: 1, num_profiles: 1, stats: false, debug: true, timeout: 1000, pipe_fd:)
args = [
"--disable-gems",
"--zjit-call-threshold=#{call_threshold}",
"--zjit-num-profiles=#{num_profiles}",
]
args << "--zjit-stats" if stats
args << "--zjit-debug" if debug
args << "-e" << script_shell_encode(script)
pipe_r, pipe_w = IO.pipe

5
zjit/src/backend/arm64/mod.rs
View file

@ -1305,8 +1305,7 @@ impl Assembler
}
last_patch_pos = Some(cb.get_write_pos());
},
Insn::IncrCounter { mem: _, value: _ } => {
/*
Insn::IncrCounter { mem, value } => {
let label = cb.new_label("incr_counter_loop".to_string());
cb.write_label(label);
@ -1322,8 +1321,6 @@ impl Assembler
cmp(cb, Self::SCRATCH1, A64Opnd::new_uimm(0));
emit_conditional_jump::<{Condition::NE}>(cb, Target::Label(label));
*/
unimplemented!("labels are not supported yet");
},
Insn::Breakpoint => {
brk(cb, A64Opnd::None);