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-rw-r--r--src/intel/compiler/brw_fs_copy_propagation.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/intel/compiler/brw_fs_copy_propagation.cpp b/src/intel/compiler/brw_fs_copy_propagation.cpp
index a8ec1c34630..c23ce1ef426 100644
--- a/src/intel/compiler/brw_fs_copy_propagation.cpp
+++ b/src/intel/compiler/brw_fs_copy_propagation.cpp
@@ -315,6 +315,16 @@ can_take_stride(fs_inst *inst, unsigned arg, unsigned stride,
if (stride > 4)
return false;
+ /* Bail if the channels of the source need to be aligned to the byte offset
+ * of the corresponding channel of the destination, and the provided stride
+ * would break this restriction.
+ */
+ if (has_dst_aligned_region_restriction(devinfo, inst) &&
+ !(type_sz(inst->src[arg].type) * stride ==
+ type_sz(inst->dst.type) * inst->dst.stride ||
+ stride == 0))
+ return false;
+
/* 3-source instructions can only be Align16, which restricts what strides
* they can take. They can only take a stride of 1 (the usual case), or 0
* with a special "repctrl" bit. But the repctrl bit doesn't work for