michael@0: // This is a workaround for bug 465088, that the qcms assembly doesn't
michael@0: // quite match the non-assembly output.
michael@0: 
michael@0: function check_qcms_has_assembly()
michael@0: {
michael@0:     // We have assembly code on x86 and x86_64 architectures.
michael@0:     // Unfortunately, detecting that is a little complicated.
michael@0: 
michael@0:     if (navigator.platform == "MacIntel") {
michael@0:         return true;
michael@0:     }
michael@0: 
michael@0:     if (navigator.platform.indexOf("Win") == 0 || navigator.platform == "OS/2") {
michael@0:         // Assume all Windows and OS/2 is x86 or x86_64.  We don't
michael@0:         // expose any way for Web content to check.
michael@0:         return true;
michael@0:     }
michael@0: 
michael@0:     // On most Unix-like platforms, navigator.platform is basically
michael@0:     // |uname -sm|.
michael@0:     if (navigator.platform.match(/(i[3456]86|x86_64|amd64|i86)/)) {
michael@0:         return true;
michael@0:     }
michael@0: 
michael@0:     return false;
michael@0: }
michael@0: 
michael@0: var qcms_has_assembly = check_qcms_has_assembly();