1 files changed, 28 insertions, 0 deletions
diff --git a/image/test/reftest/pngsuite-ancillary/qcms-asm-check.js b/image/test/reftest/pngsuite-ancillary/qcms-asm-check.js
new file mode 100644
index 0000000000..32e4434aa7
--- /dev/null
+++ b/image/test/reftest/pngsuite-ancillary/qcms-asm-check.js
@@ -0,0 +1,28 @@
+// This is a workaround for bug 465088, that the qcms assembly doesn't
+// quite match the non-assembly output.
+
+function check_qcms_has_assembly()
+{
+    // We have assembly code on x86 and x86_64 architectures.
+    // Unfortunately, detecting that is a little complicated.
+
+    if (navigator.platform == "MacIntel") {
+        return true;
+    }
+
+    if (navigator.platform.indexOf("Win") == 0 || navigator.platform == "OS/2") {
+        // Assume all Windows and OS/2 is x86 or x86_64.  We don't
+        // expose any way for Web content to check.
+        return true;
+    }
+
+    // On most Unix-like platforms, navigator.platform is basically
+    // |uname -sm|.
+    if (navigator.platform.match(/(i[3456]86|x86_64|amd64|i86)/)) {
+        return true;
+    }
+
+    return false;
+}
+
+var qcms_has_assembly = check_qcms_has_assembly();