diff options
| author | Matt Turner <mattst88@gmail.com> | 2014-04-03 10:35:09 -0700 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2014-04-05 09:47:36 -0700 |
| commit | 86ae6f477d24169cbc27d53c57d5d024d73e4e4a (patch) | |
| tree | ccb6c95473d66141760331e1777557df361df67f | |
| parent | 20dee82a75ac7415fba0b3540a1f99d60b2325db (diff) | |
i965/fs: Fix off-by-one in saturate propagation.
ip needs to be initialized to start_ip - 1, since the first thing in the
main loop is ip++. Otherwise we would incorrectly propagate the saturate
from the mov to the mad:
mad a, b, c, d
mov.sat x, a
add y, z, a
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp index 189888e371d..eaecb459deb 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp @@ -32,7 +32,7 @@ static bool opt_saturate_propagation_local(fs_visitor *v, bblock_t *block) { bool progress = false; - int ip = block->start_ip; + int ip = block->start_ip - 1; for (fs_inst *inst = (fs_inst *)block->start; inst != block->end->next; |