diff options
| author | Vasily Khoruzhick <[email protected]> | 2020-01-22 20:29:50 -0800 |
|---|---|---|
| committer | Marge Bot <[email protected]> | 2020-01-23 21:16:22 +0000 |
| commit | 3c754900b5f689b821cbb1162b821ce12bcaf23e (patch) | |
| tree | b5189f364bf1ae8207f4bf446c9e8f301751f38a /src/compiler | |
| parent | cf2c5a56a1bc9f14e4c84db7a08739a195156844 (diff) | |
nir: don't emit ishl in _nir_mul_imm() if backend doesn't support bitops
Otherwise we'll have to lower it later.
Reviewed-by: Jason Ekstrand <[email protected]>
Reviewed-by: Erico Nunes <[email protected]>
Signed-off-by: Vasily Khoruzhick <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3529>
Diffstat (limited to 'src/compiler')
| -rw-r--r-- | src/compiler/nir/nir_builder.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/compiler/nir/nir_builder.h b/src/compiler/nir/nir_builder.h index 8b5923211db..fb90fc2cdca 100644 --- a/src/compiler/nir/nir_builder.h +++ b/src/compiler/nir/nir_builder.h @@ -656,7 +656,8 @@ _nir_mul_imm(nir_builder *build, nir_ssa_def *x, uint64_t y, bool amul) return nir_imm_intN_t(build, 0, x->bit_size); } else if (y == 1) { return x; - } else if (util_is_power_of_two_or_zero64(y)) { + } else if (!build->shader->options->lower_bitops && + util_is_power_of_two_or_zero64(y)) { return nir_ishl(build, x, nir_imm_int(build, ffsll(y) - 1)); } else if (amul) { return nir_amul(build, x, nir_imm_intN_t(build, y, x->bit_size)); |