image/test/reftest/pngsuite-ancillary/qcms-asm-check.js@6474c204b198
image/test/reftest/pngsuite-ancillary/qcms-asm-check.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 // This is a workaround for bug 465088, that the qcms assembly doesn't
2 // quite match the non-assembly output.
4 function check_qcms_has_assembly()
5 {
6 // We have assembly code on x86 and x86_64 architectures.
7 // Unfortunately, detecting that is a little complicated.
9 if (navigator.platform == "MacIntel") {
10 return true;
11 }
13 if (navigator.platform.indexOf("Win") == 0 || navigator.platform == "OS/2") {
14 // Assume all Windows and OS/2 is x86 or x86_64. We don't
15 // expose any way for Web content to check.
16 return true;
17 }
19 // On most Unix-like platforms, navigator.platform is basically
20 // |uname -sm|.
21 if (navigator.platform.match(/(i[3456]86|x86_64|amd64|i86)/)) {
22 return true;
23 }
25 return false;
26 }
28 var qcms_has_assembly = check_qcms_has_assembly();
