From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- js/src/jit-test/tests/atomics/inline-cmpxchg.js | 28 +++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 js/src/jit-test/tests/atomics/inline-cmpxchg.js (limited to 'js/src/jit-test/tests/atomics/inline-cmpxchg.js') diff --git a/js/src/jit-test/tests/atomics/inline-cmpxchg.js b/js/src/jit-test/tests/atomics/inline-cmpxchg.js new file mode 100644 index 0000000000..a04e120f32 --- /dev/null +++ b/js/src/jit-test/tests/atomics/inline-cmpxchg.js @@ -0,0 +1,28 @@ +// |jit-test| slow; +// +// This is intended to be run manually with IONFLAGS=logs and +// postprocessing by iongraph to verify manually (by inspecting the +// MIR) that: +// +// - the cmpxchg operation is inlined as it should be +// - loads and stores are not moved across the cmpxchg +// +// Be sure to run with --ion-eager --ion-offthread-compile=off. + +function cmpxchg(ta) { + var x = ta[0]; + Atomics.compareExchange(ta, 86, 37, 42); + var y = ta[1]; + var z = y + 1; + var w = x + z; + return w; +} + +var sab = new SharedArrayBuffer(4096); +var ia = new Int32Array(sab); +for ( var i=0, limit=ia.length ; i < limit ; i++ ) + ia[i] = 37; +var v = 0; +for ( var i=0 ; i < 1000 ; i++ ) + v += cmpxchg(ia); +//print(v); -- cgit v1.2.3