do_untyped_vector_read is used at load_ssbo and load_shared.
The previous MOVs are removed because shuffle_from_32bit_read
can handle storing the shuffle results in the expected destination
just using the proper offset.
---
src/intel/compiler/brw_fs_nir.cpp | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/src/intel/compiler/brw_fs_nir.cpp
b/src/intel/compiler/brw_fs_nir.cpp
index 7e738ade82e..780a9e228de 100644
--- a/src/intel/compiler/brw_fs_nir.cpp
+++ b/src/intel/compiler/brw_fs_nir.cpp
@@ -2434,16 +2434,8 @@ do_untyped_vector_read(const fs_builder &bld,
BRW_PREDICATE_NONE);
/* Shuffle the 32-bit load result into valid 64-bit data */
- const fs_reg packed_result = bld.vgrf(dest.type, iter_components);
- shuffle_32bit_load_result_to_64bit_data(
- bld, packed_result, read_result, iter_components);
-
- /* Move each component to its destination */
- read_result = retype(read_result, BRW_REGISTER_TYPE_DF);
- for (int c = 0; c < iter_components; c++) {
- bld.MOV(offset(dest, bld, it * 2 + c),
- offset(packed_result, bld, c));
- }
+ shuffle_from_32bit_read(bld, offset(dest, bld, it * 2),
+ read_result, 0, iter_components);
bld.ADD(read_offset, read_offset, brw_imm_ud(16));
}
--
2.17.1
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