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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /js/src/jit-test/tests/asm.js/bug1126251.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/asm.js/bug1126251.js')
-rw-r--r--js/src/jit-test/tests/asm.js/bug1126251.js53
1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/asm.js/bug1126251.js b/js/src/jit-test/tests/asm.js/bug1126251.js
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+++ b/js/src/jit-test/tests/asm.js/bug1126251.js
@@ -0,0 +1,53 @@
+load(libdir + "asm.js");
+
+// Bug 1126251
+var v = asmLink(asmCompile('global', `
+ "use asm";
+ var frd = global.Math.fround;
+ function e() {
+ var x = frd(.1e+71);
+ x = frd(x / x);
+ return +x;
+ }
+ return e;
+`), this)();
+
+assertEq(v, NaN);
+
+if (!isSimdAvailable() || typeof SIMD === 'undefined') {
+ quit(0);
+}
+
+var v = asmLink(asmCompile('global', `
+ "use asm";
+ var frd = global.Math.fround;
+ var Float32x4 = global.SIMD.Float32x4;
+ var splat = Float32x4.splat;
+ var ext = Float32x4.extractLane;
+ function e() {
+ var v = Float32x4(0,0,0,0);
+ var x = frd(0.);
+ v = splat(.1e+71);
+ x = ext(v,0);
+ x = frd(x / x);
+ return +x;
+ }
+ return e;
+`), this)();
+
+assertEq(v, NaN);
+
+// Bug 1130618: without GVN
+setJitCompilerOption("ion.gvn.enable", 0);
+var v = asmLink(asmCompile('global', `
+ "use asm";
+ var Float32x4 = global.SIMD.Float32x4;
+ var splat = Float32x4.splat;
+ var ext = Float32x4.extractLane;
+ function e() {
+ return +ext(splat(.1e+71),0);
+ }
+ return e;
+`), this)();
+
+assertEq(v, Infinity);