nvc0/ir: GP emit address must end up in $r0

diff --git a/src/gallium/drivers/nvc0/codegen/nv50_ir_lowering_nvc0.cpp b/src/gallium/drivers/nvc0/codegen/nv50_ir_lowering_nvc0.cpp
index 94cc511..4b448c6 100644 (file)
--- a/src/gallium/drivers/nvc0/codegen/nv50_ir_lowering_nvc0.cpp
+++ b/src/gallium/drivers/nvc0/codegen/nv50_ir_lowering_nvc0.cpp
@@ -289,6 +289,10 @@ NVC0LoweringPass::visit(Function *fn)
       // TODO: when we generate actual functions pass this value along somehow
       bld.setPosition(BasicBlock::get(fn->cfg.getRoot()), false);
       gpEmitAddress = bld.loadImm(NULL, 0)->asLValue();
+      if (fn->cfgExit) {
+         bld.setPosition(BasicBlock::get(fn->cfgExit)->getExit(), false);
+         bld.mkMovToReg(0, gpEmitAddress);
+      }
    }
    return true;
 }