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/basic/testShiftLeft.js | 36 ++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 js/src/jit-test/tests/basic/testShiftLeft.js (limited to 'js/src/jit-test/tests/basic/testShiftLeft.js') diff --git a/js/src/jit-test/tests/basic/testShiftLeft.js b/js/src/jit-test/tests/basic/testShiftLeft.js new file mode 100644 index 0000000000..341b59aa52 --- /dev/null +++ b/js/src/jit-test/tests/basic/testShiftLeft.js @@ -0,0 +1,36 @@ +// |jit-test| valgrind + +/* Test the proper operation of the left shift operator. This is especially + * important on ARM as an explicit mask is required at the native instruction + * level. */ + +function testShiftLeft() +{ + var r = []; + var i = 0; + var j = 0; + + var shifts = [0,1,7,8,15,16,23,24,31]; + + /* Samples from the simple shift range. */ + for (i = 0; i < shifts.length; i++) + r[j++] = 1 << shifts[i]; + + /* Samples outside the normal shift range. */ + for (i = 0; i < shifts.length; i++) + r[j++] = 1 << (shifts[i] + 32); + + /* Samples far outside the normal shift range. */ + for (i = 0; i < shifts.length; i++) + r[j++] = 1 << (shifts[i] + 224); + for (i = 0; i < shifts.length; i++) + r[j++] = 1 << (shifts[i] + 256); + + return r.join(","); +} + +assertEq(testShiftLeft(), + "1,2,128,256,32768,65536,8388608,16777216,-2147483648,"+ + "1,2,128,256,32768,65536,8388608,16777216,-2147483648,"+ + "1,2,128,256,32768,65536,8388608,16777216,-2147483648,"+ + "1,2,128,256,32768,65536,8388608,16777216,-2147483648"); -- cgit v1.2.3