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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/jaeger/undoAdd.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/jaeger/undoAdd.js')
-rw-r--r-- | js/src/jit-test/tests/jaeger/undoAdd.js | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/jaeger/undoAdd.js b/js/src/jit-test/tests/jaeger/undoAdd.js new file mode 100644 index 0000000000..007a29c973 --- /dev/null +++ b/js/src/jit-test/tests/jaeger/undoAdd.js @@ -0,0 +1,25 @@ + +/* Test undoing addition in overflow paths when under heavy register pressure. */ + +function add1(x, y, a, b, res) { var nres = res + 0; var z = (x + a) + (y + b); assertEq(z, nres); } +function add2(x, y, a, b, res) { var nres = res + 0; var z = (x + a) + (y + b); assertEq(z, nres); } +function add3(x, y, a, b, res) { var nres = res + 0; var z = (x + a) + (y + b); assertEq(z, nres); } +add1(0x7ffffff0, 100, 0, 0, 2147483732); +add2(-1000, -0x80000000, 0, 0, -2147484648); +add3(-0x80000000, -1000, 0, 0, -2147484648); + +function cadd1(x, a, b, res) { + var nres = res + 0; + var nb = b + 0; + var z = (x + a) + 1000; + assertEq(z, nres + nb); +} +cadd1(0x7ffffff0, 0, 0, 2147484632); + +function cadd2(x, a, b, res) { + var nres = res + 0; + var nb = b + 0; + var z = (x + a) + (-0x80000000); + assertEq(z, nres + nb); +} +cadd2(-1000, 0, 0, -2147484648); |