From 2ec5c8feb331af29548e98b0e78e810bbbc7009e Mon Sep 17 00:00:00 2001
From: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Date: Mon, 17 Oct 2011 23:00:59 +0200
Subject: [PATCH] nvc0/ir: GP emit address must end up in $r0

---
 src/gallium/drivers/nvc0/codegen/nv50_ir_lowering_nvc0.cpp | 4 ++++
 1 file changed, 4 insertions(+)

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 94cc5111119..4b448c6900f 100644
--- 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;
 }
-- 
2.30.2