Mesa (master): aco: prevent infinite recursion in RA for subdword variables

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Module: Mesa
Branch: master
Commit: 4c89bfc4ec0ea29ab757b0391bf646673e483668
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=4c89bfc4ec0ea29ab757b0391bf646673e483668

Author: Daniel Schürmann <daniel at schuermann.dev>
Date:   Thu Jul 23 09:41:07 2020 +0200

aco: prevent infinite recursion in RA for subdword variables

Cc: 20.1 <mesa-stable at lists.freedesktop.org>
Reviewed-by: Rhys Perry <pendingchaos02 at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6024>

---

 src/amd/compiler/aco_register_allocation.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amd/compiler/aco_register_allocation.cpp b/src/amd/compiler/aco_register_allocation.cpp
index a59a9af7add..2fd8d3d66d5 100644
--- a/src/amd/compiler/aco_register_allocation.cpp
+++ b/src/amd/compiler/aco_register_allocation.cpp
@@ -591,7 +591,7 @@ std::pair<PhysReg, bool> get_reg_simple(ra_ctx& ctx,
    RegClass rc = info.rc;
 
    if (stride == 1) {
-
+      info.rc = RegClass(rc.type(), size);
       for (unsigned stride = 8; stride > 1; stride /= 2) {
          if (size % stride)
             continue;