diff options
| author | Kenneth Graunke <[email protected]> | 2011-11-14 19:49:54 -0800 |
|---|---|---|
| committer | Kenneth Graunke <[email protected]> | 2011-12-02 02:49:23 -0800 |
| commit | e304aa3600f865db533d273e2c1a554cb6a54f05 (patch) | |
| tree | 47d9553387e406508f177529f2d13636e0412fad /src/mesa | |
| parent | ce45aecfdab9926b767d9924bddbc4304d59641c (diff) | |
i965: Make gen6_resolve_implied_move a no-op for MRF sources.
Attempting to move an MRF to a MRF is not only pointless, it will fail
because MRFs are read-only, resulting in garbage in your register.
If we already set up a MRF source, there's nothing to resolve anyway.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_eu_emit.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c index 60350caca3f..9d8c701c501 100644 --- a/src/mesa/drivers/dri/i965/brw_eu_emit.c +++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c @@ -67,6 +67,9 @@ gen6_resolve_implied_move(struct brw_compile *p, if (intel->gen < 6) return; + if (src->file == BRW_MESSAGE_REGISTER_FILE) + return; + if (src->file != BRW_ARCHITECTURE_REGISTER_FILE || src->nr != BRW_ARF_NULL) { brw_push_insn_state(p); brw_set_mask_control(p, BRW_MASK_DISABLE); |