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iris: Ask st to vectorize our IO. 

(Technically this is common code, but it doesn't affect i965 or anv.)

Improves performance of GFXBench5/gl_tess_off on Skylake GT4e at 1080p
by 9.3933% +/- 0.0305157% by eliminating all spilling in the GS.

Improves performance of GFXBench5/gl_4_off (Car Chase) on Skylake GT4e
at 1080p by 0.325208% +/- 0.0842233% (n=18).

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Kenneth Graunke 2019-05-21 15:18:25 -07:00
parent c31b4420e7
commit 6a9e39d44b
1 changed files with 1 additions and 0 deletions
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src/intel/compiler/brw_compiler.c
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@ -46,6 +46,7 @@
.lower_isign = true, \
.lower_ldexp = true, \
.lower_device_index_to_zero = true, \
.vectorize_io = true, \
.use_interpolated_input_intrinsics = true, \
.vertex_id_zero_based = true, \
.lower_base_vertex = true