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This greatly improves generated code, especially for the snorm variants,
since it is able to get rid of the lshift/rshift for sext, as well as
replacing each shift + mask with a single op.
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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It is fairly tricky to detect the proper conditions for using bitfield
insert, but easy to just use it up front. This removes a lot of
instructions on nvc0 when invoking the packing builtins.
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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Reviewed-by: Francisco Jerez <[email protected]>
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Lower them to arithmetic and bit manipulation expressions.
Reviewed-by: Chad Versace <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
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Lower them to arithmetic and bit manipulation expressions.
v2: Rewrite using ir_builder [for idr].
v3: Comment typos. [for mattst88]
v4: Fix arithmetic error in comments.
Factor out a shift instruction.
Don't heap allocate factory.instructions.
[for paul]
Reviewed-by: Ian Romanick <[email protected]> (v2)
Reviewed-by: Matt Tuner <[email protected]> (v3)
Reviewed-by: Paul Berry <[email protected]> (v4)
Signed-off-by: Chad Versace <[email protected]>
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