v3d: Add support for the TMUWT instruction.

This instruction is used to ensure that TMU stores have been processed
before moving on.  In particular, you need any TMU ops to be done by the
time the shader ends.

src/broadcom/compiler/vir.c

@@ -98,6 +98,7 @@ vir_has_side_effects(struct v3d_compile *c, struct qinst *inst)
                 case V3D_QPU_A_STVPMD:
                 case V3D_QPU_A_STVPMP:
                 case V3D_QPU_A_VPMWT:
+                case V3D_QPU_A_TMUWT:
                         return true;
                 default:
                         break;
@@ -194,6 +195,11 @@ vir_is_tex(struct qinst *inst)
         if (inst->dst.file == QFILE_MAGIC)
                 return v3d_qpu_magic_waddr_is_tmu(inst->dst.index);
 
+        if (inst->qpu.type == V3D_QPU_INSTR_TYPE_ALU &&
+            inst->qpu.alu.add.op == V3D_QPU_A_TMUWT) {
+                return true;
+        }
+
         return false;
 }