diff options
| author | Lionel Landwerlin <lionel.g.landwerlin@intel.com> | 2021-11-23 10:13:42 +0200 |
|---|---|---|
| committer | Marge Bot <emma+marge@anholt.net> | 2022-02-02 17:09:46 +0000 |
| commit | e227bb9fd58268788a79449ed247311744210279 (patch) | |
| tree | 1f67d2db00c7343039a508e3b6182876eaf4c2e7 /src | |
| parent | 3ab7f4471c933767dff79638e79739323d938177 (diff) | |
nir/builder: add ishl_imm helper
v2: add (y >= x->bit_size) condition (Caio)
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13739>
Diffstat (limited to 'src')
| -rw-r--r-- | src/compiler/nir/nir_builder.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_builder.h b/src/compiler/nir/nir_builder.h index 0ee4e76600d..6225579e286 100644 --- a/src/compiler/nir/nir_builder.h +++ b/src/compiler/nir/nir_builder.h @@ -732,6 +732,18 @@ nir_iand_imm(nir_builder *build, nir_ssa_def *x, uint64_t y) } static inline nir_ssa_def * +nir_ishl_imm(nir_builder *build, nir_ssa_def *x, uint32_t y) +{ + if (y == 0) { + return x; + } else if (y >= x->bit_size) { + return nir_imm_intN_t(build, 0, x->bit_size); + } else { + return nir_ishl(build, x, nir_imm_int(build, y)); + } +} + +static inline nir_ssa_def * nir_ishr_imm(nir_builder *build, nir_ssa_def *x, uint32_t y) { if (y == 0) { |