<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - [BSW regression] dEQP-GLES3.functional.shaders.precision.int.highp_mul_vertex" href="https://bugs.freedesktop.org/show_bug.cgi?id=91970#c4">Comment # 4</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - [BSW regression] dEQP-GLES3.functional.shaders.precision.int.highp_mul_vertex" href="https://bugs.freedesktop.org/show_bug.cgi?id=91970">bug 91970</a> from <a class="email" href="mailto:mattst88@gmail.com" title="Matt Turner <mattst88@gmail.com>"> Matt Turner</a> <pre>Created <a href="attachment.cgi?id=118317" name="attach_118317" title="patch">attachment 118317</a> <a href="attachment.cgi?id=118317&action=edit" title="patch">[details]</a> <a href='page.cgi?id=splinter.html&bug=91970&attachment=118317'>[review]</a> patch The relevant instructions generated are mul(8) g124<1>D g6<8,8,1>D g10<8,8,1>UW { align1 1Q }; mul(8) g7<1>D g6<8,8,1>D g10<8,8,1>UW { align1 1Q }; ... add(8) g124.1<2>UW g124.1<16,8,2>UW g7<16,8,2>UW { align1 1Q }; I could imagine that the D * UW multiplies don't work as expected (maybe we should do D * W for signed multiplication?). Attached is a patch that gives that a try.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>