<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [BISECTED][REGRESSION][IVB, HSW] Font rendering problem in OpenGL" href="https://bugs.freedesktop.org/show_bug.cgi?id=109759#c15">Comment # 15</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [BISECTED][REGRESSION][IVB, HSW] Font rendering problem in OpenGL" href="https://bugs.freedesktop.org/show_bug.cgi?id=109759">bug 109759</a> from <a class="email" href="mailto:lionel.g.landwerlin@linux.intel.com" title="Lionel Landwerlin <lionel.g.landwerlin@linux.intel.com>"> Lionel Landwerlin</a> <pre>Trying to replace the following sequence : cmp(8).z.f0.0 vgrf11.y:D, vgrf10.xxxx:D, vgrf2.xyyy:D ... cmp(8).nz.f0.0 null.x:D, vgrf11.yyyy:D, 0D By: cmp(8).z.f0.0 vgrf15.x:D, vgrf10.xxxx:D, vgrf2.yyyy:D ... mov(8) vgrf11.y:D, vgrf15.yyyy:D I wonder about 2 things : - can the value of the vgrf11 register be used in the '...' section of instruction in between the 2 instructions we're trying to replace? - can the value of the accumulator we set in the first cmp in the replaced snippet by altered in the '...' second of instruction? I could see either of those things alter the behavior of shader.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>