diff --git a/src/amd/compiler/aco_optimizer.cpp b/src/amd/compiler/aco_optimizer.cpp
index 68f17569e32..9b4f007b62a 100644
--- a/src/amd/compiler/aco_optimizer.cpp
+++ b/src/amd/compiler/aco_optimizer.cpp
@@ -765,7 +765,7 @@ void label_instruction(opt_ctx &ctx, aco_ptr<Instruction>& instr)
          if (vec_op.isConstant()) {
             if (vec_op.isLiteral())
                ctx.info[instr->definitions[i].tempId()].set_literal(vec_op.constantValue());
-            else
+            else if (vec_op.size() == 1)
                ctx.info[instr->definitions[i].tempId()].set_constant(vec_op.constantValue());
          } else {
             assert(vec_op.isTemp());
@@ -794,7 +794,7 @@ void label_instruction(opt_ctx &ctx, aco_ptr<Instruction>& instr)
          if (vec_op.isConstant()) {
             if (vec_op.isLiteral())
                ctx.info[instr->definitions[0].tempId()].set_literal(vec_op.constantValue());
-            else
+            else if (vec_op.size() == 1)
                ctx.info[instr->definitions[0].tempId()].set_constant(vec_op.constantValue());
          } else {
             assert(vec_op.isTemp());
@@ -814,7 +814,7 @@ void label_instruction(opt_ctx &ctx, aco_ptr<Instruction>& instr)
       } else if (instr->operands[0].isConstant()) {
          if (instr->operands[0].isLiteral())
             ctx.info[instr->definitions[0].tempId()].set_literal(instr->operands[0].constantValue());
-         else
+         else if (instr->operands[0].size() == 1)
             ctx.info[instr->definitions[0].tempId()].set_constant(instr->operands[0].constantValue());
       } else if (instr->operands[0].isTemp()) {
          ctx.info[instr->definitions[0].tempId()].set_temp(instr->operands[0].getTemp());