nv50/ir: don't fold immediate into mad if registers are too high

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91551 Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Cc: "11.0" <mesa-stable@lists.freedesktop.org>
2015-09-10 05:02:26 -04:00
parent ce28ca7133
commit 74b86b971f
1 changed files with 4 additions and 0 deletions
@@ -2602,6 +2602,10 @@ NV50PostRaConstantFolding::visit(BasicBlock *bb)
             !isFloatType(i->dType))
            break;

+         if (i->getDef(0)->reg.data.id >= 64 ||
+             i->getSrc(0)->reg.data.id >= 64)
+            break;
+
         def = i->getSrc(1)->getInsn();
         if (def->op == OP_MOV && def->src(0).getFile() == FILE_IMMEDIATE) {
            vtmp = i->getSrc(1);