---
 src/mesa/drivers/dri/i965/brw_cfg.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_cfg.h 
b/src/mesa/drivers/dri/i965/brw_cfg.h
index 1498f1e..94713df 100644
--- a/src/mesa/drivers/dri/i965/brw_cfg.h
+++ b/src/mesa/drivers/dri/i965/brw_cfg.h
@@ -110,10 +110,16 @@ struct cfg_t {
    int num_blocks;
 };
 
+/* Note that this is implemented with a double for loop -- break will
+ * break from the inner loop only!
+ */
 #define foreach_block_and_inst(__block, __type, __inst, __cfg) \
    foreach_block (__block, __cfg)                              \
       foreach_inst_in_block (__type, __inst, __block)
 
+/* Note that this is implemented with a double for loop -- break will
+ * break from the inner loop only!
+ */
 #define foreach_block_and_inst_safe(__block, __type, __inst, __cfg) \
    foreach_block_safe (__block, __cfg)                              \
       foreach_inst_in_block_safe (__type, __inst, __block)
-- 
1.8.5.5

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