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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/jit-test/tests/ion/range-analysis.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/jit-test/tests/ion/range-analysis.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/range-analysis.js b/js/src/jit-test/tests/ion/range-analysis.js new file mode 100644 index 0000000000..86f4419135 --- /dev/null +++ b/js/src/jit-test/tests/ion/range-analysis.js @@ -0,0 +1,35 @@ +// |jit-test| + +// Only fails with Ion. +function add_xors_1() { + var res = 0; + var step = 4; + for (var i = 0x7fffffff | 0; i >= (1 << step); i -= (i >> step)) { + var x = i ^ (i << 1); + res += (((x + x) + res + res) | 0); + } + return res; +} + +var r1 = add_xors_1(); +for (var i = 0; i < 100; i++) { + var r2 = add_xors_1(); + assertEq(r2, r1); +} + +// Only fails with JM +function add_xors_2() { + var res = 0; + var step = 4; + for (var i = 0x7fffffff | 0; i >= (1 << step); i -= (i >> step)) { + var x = i ^ (i << 1); + res += ((x + x) + res + res) | 0; + } + return res; +} + +var r1 = add_xors_2(); +for (var i = 0; i < 100; i++) { + var r2 = add_xors_2(); + assertEq(r1, r2); +} |