nv50/ir: fix comparison of system values

diff --git a/src/gallium/drivers/nv50/codegen/nv50_ir.cpp b/src/gallium/drivers/nv50/codegen/nv50_ir.cpp
index 4d76011..ec35c51 100644 (file)
--- a/src/gallium/drivers/nv50/codegen/nv50_ir.cpp
+++ b/src/gallium/drivers/nv50/codegen/nv50_ir.cpp
@@ -546,6 +546,9 @@ Symbol::equals(const Value *that, bool strict) const
    if (this->baseSym != that->asSym()->baseSym)
       return false;
 
+   if (reg.file == FILE_SYSTEM_VALUE)
+      return (this->reg.data.sv.sv    == that->reg.data.sv.sv &&
+              this->reg.data.sv.index == that->reg.data.sv.index);
    return this->reg.data.offset == that->reg.data.offset;
 }