GBE: optimize sample instruction

Graphics / Beignet - Zhigang Gong [intel.com] - 24 February 2014 00:54 UTC

The U,V,W registers could be allocated to a selection vector directly. Then we can save some MOV instructions for the read_image functions.

0491433 GBE: optimize sample instruction.
backend/src/backend/gen_context.cpp | 20 ++++----------------
backend/src/backend/gen_encoder.cpp | 4 ++--
backend/src/backend/gen_encoder.hpp | 2 +-
backend/src/backend/gen_insn_selection.cpp | 26 ++++++++++++--------------
backend/src/backend/gen_insn_selection.hpp | 2 +-
backend/src/ocl_stdlib.tmpl.h | 12 ++++++------
6 files changed, 26 insertions(+), 40 deletions(-)

Upstream: cgit.freedesktop.org

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