aco: allow overflow for some SMEM instructions

[mesa.git] / src / amd / compiler / aco_opt_value_numbering.cpp

diff --git a/src/amd/compiler/aco_opt_value_numbering.cpp b/src/amd/compiler/aco_opt_value_numbering.cpp
index 93668442d329848b223a347883ef38bd55e6bacf..9a1972ff34e47cde02bab88369620ece228590cf 100644 (file)
--- a/src/amd/compiler/aco_opt_value_numbering.cpp
+++ b/src/amd/compiler/aco_opt_value_numbering.cpp
@@ -226,8 +226,11 @@ struct InstrPred {
          case Format::SMEM: {
             SMEM_instruction* aS = static_cast<SMEM_instruction*>(a);
             SMEM_instruction* bS = static_cast<SMEM_instruction*>(b);
+            /* isel shouldn't be creating situations where this assertion fails */
+            assert(aS->prevent_overflow == bS->prevent_overflow);
             return aS->can_reorder && bS->can_reorder &&
-                   aS->glc == bS->glc && aS->nv == bS->nv;
+                   aS->glc == bS->glc && aS->nv == bS->nv &&
+                   aS->prevent_overflow == bS->prevent_overflow;
          }
          case Format::VINTRP: {
             Interp_instruction* aI = static_cast<Interp_instruction*>(a);