nv50/ir: add support for converting ATOMFADD to proper ir

[mesa.git] / src / gallium / drivers / nouveau / codegen / nv50_ir_build_util.cpp

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_build_util.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_build_util.cpp
index f58cf97646ebca956950302096e36a5b45aaf733..84ebfdb1cba2235f7ede8c5339f704b38dfd035a 100644 (file)
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_build_util.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_build_util.cpp
@@ -585,6 +585,7 @@ BuildUtil::split64BitOpPostRA(Function *fn, Instruction *i,
          return NULL;
       srcNr = 2;
       break;
+   case OP_SELP: srcNr = 3; break;
    default:
       // TODO when needed
       return NULL;
@@ -601,7 +602,10 @@ BuildUtil::split64BitOpPostRA(Function *fn, Instruction *i,
 
    for (int s = 0; s < srcNr; ++s) {
       if (lo->getSrc(s)->reg.size < 8) {
-         hi->setSrc(s, zero);
+         if (s == 2)
+            hi->setSrc(s, lo->getSrc(s));
+         else
+            hi->setSrc(s, zero);
       } else {
          if (lo->getSrc(s)->refCount() > 1)
             lo->setSrc(s, cloneShallow(fn, lo->getSrc(s)));