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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_generator.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
index 90805e45ad7..688f431f5c6 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
@@ -1558,6 +1558,8 @@ fs_generator::generate_code(const cfg_t *cfg, int dispatch_width)
brw_set_default_acc_write_control(p, inst->writes_accumulator);
brw_set_default_exec_size(p, cvt(inst->exec_size) - 1);
+ assert(inst->mlen <= BRW_MAX_MSG_LENGTH);
+
switch (inst->exec_size) {
case 1:
case 2: