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i965/cfg: Add note about double-loop macros and break behavior.

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Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
This commit is contained in:
Matt Turner 2014-09-02 17:30:29 -07:00
parent 153d148e9e
commit 3fe1a84bbe
1 changed files with 6 additions and 0 deletions
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6
src/mesa/drivers/dri/i965/brw_cfg.h
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@ -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)