diff options
| author | Kenneth Graunke <kenneth@whitecape.org> | 2014-04-14 15:01:37 -0700 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2014-08-14 23:50:12 -0700 |
| commit | 35ca28816509a887538a6d0c62c96279b38ef8e4 (patch) | |
| tree | ccd08b02cfead74fd6e1745d003eceeaf3d7fdef /src/mesa/drivers/dri/i965/brw_fs.h | |
| parent | 650c3313786cab6f96bb480685e7b32dfcb9291c (diff) | |
i965/fs: Add pass to rename registers to break live ranges.
The pass breaks live ranges of virtual registers by allocating new
registers when it sees an assignment to a virtual GRF it's already seen
written.
total instructions in shared programs: 4337879 -> 4335014 (-0.07%)
instructions in affected programs: 343865 -> 341000 (-0.83%)
GAINED: 46
LOST: 1
[mattst88]: Make pass not break in presence of control flow.
invalidate_live_intervals() only if progress.
Fix up delta_x/delta_y.
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_fs.h')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h index a838e74d8b6..5aa0ca661fe 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.h +++ b/src/mesa/drivers/dri/i965/brw_fs.h @@ -339,6 +339,7 @@ public: bool opt_copy_propagate_local(void *mem_ctx, bblock_t *block, exec_list *acp); void opt_drop_redundant_mov_to_flags(); + bool opt_register_renaming(); bool register_coalesce(); bool compute_to_mrf(); bool dead_code_eliminate(); |