diff options
| author | Samuel Iglesias Gonsálvez <[email protected]> | 2016-06-22 15:13:45 +0200 |
|---|---|---|
| committer | Samuel Iglesias Gonsálvez <[email protected]> | 2017-01-03 11:26:51 +0100 |
| commit | b9cd3f5b493e6fe835f1a3a2216f29bc0a4a2a93 (patch) | |
| tree | 9da29e413c097bad2477676782caa19d63db303c /src | |
| parent | 93eae0d2a4157963638130b7ea2ad656f366e372 (diff) | |
i965/vec4: don't copy propagate misaligned registers
This means we would copy propagate partial reads or writes and that can affect
the result.
Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp index 9b76f58fc67..e7f6f93f8bd 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp @@ -354,6 +354,9 @@ try_copy_propagate(const struct gen_device_info *devinfo, return false; } + if (inst->src[arg].offset % REG_SIZE || value.offset % REG_SIZE) + return false; + bool has_source_modifiers = value.negate || value.abs; /* gen6 math and gen7+ SENDs from GRFs ignore source modifiers on |