aco: don't recurse in sub-dword get_reg_simple()

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4772>

diff --git a/src/amd/compiler/aco_register_allocation.cpp b/src/amd/compiler/aco_register_allocation.cpp
index 7fd15295ea8821ada780e6114ac4d7f7b2abfa16..42a4dcbcebff53314f98646b8cbab7298b20227d 100644 (file)
--- a/src/amd/compiler/aco_register_allocation.cpp
+++ b/src/amd/compiler/aco_register_allocation.cpp
@@ -391,6 +391,7 @@ std::pair<PhysReg, bool> get_reg_simple(ra_ctx& ctx,
       }
 
       stride = 1; /* stride in full registers */
+      rc = info.rc = RegClass(RegType::vgpr, size);
    }
 
    if (stride == 1) {