1 files changed, 12 insertions, 0 deletions
diff --git a/assembler/gram.y b/assembler/gram.y
index 5671a0f4..03f1be64 100644
--- a/assembler/gram.y
+++ b/assembler/gram.y
@@ -294,6 +294,12 @@ static bool validate_dst_reg(struct brw_program_instruction *insn, struct brw_re
 	return false;
     }
 
+    if (reg->address_mode == BRW_ADDRESS_REGISTER_INDIRECT_REGISTER &&
+	access_mode(insn) == BRW_ALIGN_16) {
+	fprintf(stderr, "error: indirect Dst addr mode in align16 instruction\n");
+	return false;
+    }
+
     return true;
 }
 
@@ -317,6 +323,12 @@ static bool validate_src_reg(struct brw_program_instruction *insn,
 	return false;
     }
 
+    if (reg.address_mode == BRW_ADDRESS_REGISTER_INDIRECT_REGISTER &&
+	access_mode(insn) == BRW_ALIGN_16) {
+	fprintf(stderr, "error: indirect Source addr mode in align16 instruction\n");
+	return false;
+    }
+
     assert(reg.hstride >= 0 && reg.hstride < ARRAY_SIZE(hstride_for_reg));
     hstride = hstride_for_reg[reg.hstride];