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867c436ca8
Improves register pressure, since otherwise we end up emitting
loads for all the elements in the RHS and them emitting
stores for all elements in the LHS.
v2:
- Mark progress properly. This also fixes some instances where the added
nodes with individual element copies where not being lowered, which is
expected behavior as explained in the documentation for
visit_list_elements.
- Only need to do this if the RHS is a buffer-backed variable.
- We can also have arrays inside structs. A later patch will make it so
we also split struct copies and end up with multiple
ir_dereference_record assignments, so make sure that if any of these
is an array copy, we also split it.
Fixes the following piglit tests:
tests/spec/arb_shader_storage_buffer_object/execution/large-field-copy.shader_test
tests/spec/arb_shader_storage_buffer_object/linker/copy-large-array.shader_test
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
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| getopt | ||
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| loader | ||
| mapi | ||
| mesa | ||
| util | ||
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