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nir: Add {i2f, u2f, f2i, f2u} helpers

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Convenient for bitsize independent lowerings, will be used in the idiv
lowering.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8339>
This commit is contained in:
Alyssa Rosenzweig 2021-01-05 14:43:14 -05:00 • committed by Marge Bot
parent 6b19711645
commit e4da24bd24
1 changed files with 28 additions and 0 deletions
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28
src/compiler/nir/nir_builder.h
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@ -1713,4 +1713,32 @@ nir_f2fN(nir_builder *b, nir_ssa_def *src, unsigned bit_size)
return nir_convert_to_bit_size(b, src, nir_type_float, bit_size);
}
static inline nir_ssa_def *
nir_i2fN(nir_builder *b, nir_ssa_def *src, unsigned bit_size)
{
return nir_type_convert(b, src, nir_type_int,
(nir_alu_type) (nir_type_float | bit_size));
}
static inline nir_ssa_def *
nir_u2fN(nir_builder *b, nir_ssa_def *src, unsigned bit_size)
{
return nir_type_convert(b, src, nir_type_uint,
(nir_alu_type) (nir_type_float | bit_size));
}
static inline nir_ssa_def *
nir_f2uN(nir_builder *b, nir_ssa_def *src, unsigned bit_size)
{
return nir_type_convert(b, src, nir_type_float,
(nir_alu_type) (nir_type_uint | bit_size));
}
static inline nir_ssa_def *
nir_f2iN(nir_builder *b, nir_ssa_def *src, unsigned bit_size)
{
return nir_type_convert(b, src, nir_type_float,
(nir_alu_type) (nir_type_int | bit_size));
}
#endif /* NIR_BUILDER_H */