diff options
| author | Timur Kristóf <timur.kristof@gmail.com> | 2021-05-28 21:57:19 +0200 |
|---|---|---|
| committer | Marge Bot <eric+marge@anholt.net> | 2021-06-09 16:48:51 +0000 |
| commit | 43ce80a58f8a6bd988e5bd15be2b6c2a30890af0 (patch) | |
| tree | 143e8914d064f1637b7f0caadf24944f0b085922 /src/compiler | |
| parent | 5713e059ea6f2c6ed4a95f58edf33648278e2532 (diff) | |
nir: Add AMD-specific byte and lane permute intrinsics.
These map directly to v_perm_b32 and v_permlane_b32.
Unfortunately there is no corresponding NIR opcode or
intrinsics, and it's too tedious to puzzle these things
together from the existing NIR instructions.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11072>
Diffstat (limited to 'src/compiler')
| -rw-r--r-- | src/compiler/nir/nir_divergence_analysis.c | 2 | ||||
| -rw-r--r-- | src/compiler/nir/nir_intrinsics.py | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_divergence_analysis.c b/src/compiler/nir/nir_divergence_analysis.c index 5e74846232e..c2da94ac5cf 100644 --- a/src/compiler/nir/nir_divergence_analysis.c +++ b/src/compiler/nir/nir_divergence_analysis.c @@ -294,6 +294,7 @@ visit_intrinsic(nir_shader *shader, nir_intrinsic_instr *instr) case nir_intrinsic_quad_swap_horizontal: case nir_intrinsic_quad_swap_vertical: case nir_intrinsic_quad_swap_diagonal: + case nir_intrinsic_byte_permute_amd: case nir_intrinsic_load_deref: case nir_intrinsic_load_shared: case nir_intrinsic_load_global: @@ -496,6 +497,7 @@ visit_intrinsic(nir_shader *shader, nir_intrinsic_instr *instr) case nir_intrinsic_ballot_bit_count_inclusive: case nir_intrinsic_write_invocation_amd: case nir_intrinsic_mbcnt_amd: + case nir_intrinsic_lane_permute_16_amd: case nir_intrinsic_elect: case nir_intrinsic_load_tlb_color_v3d: case nir_intrinsic_load_tess_rel_patch_id_amd: diff --git a/src/compiler/nir/nir_intrinsics.py b/src/compiler/nir/nir_intrinsics.py index 5cb2f60637a..4a5ce0847eb 100644 --- a/src/compiler/nir/nir_intrinsics.py +++ b/src/compiler/nir/nir_intrinsics.py @@ -429,6 +429,10 @@ intrinsic("masked_swizzle_amd", src_comp=[0], dest_comp=0, bit_sizes=src0, intrinsic("write_invocation_amd", src_comp=[0, 0, 1], dest_comp=0, bit_sizes=src0, flags=[CAN_ELIMINATE]) intrinsic("mbcnt_amd", src_comp=[1], dest_comp=1, bit_sizes=[32], flags=[CAN_ELIMINATE]) +# Compiled to v_perm_b32. src = [ in_bytes_hi, in_bytes_lo, selector ] +intrinsic("byte_permute_amd", src_comp=[1, 1, 1], dest_comp=1, bit_sizes=[32], flags=[CAN_ELIMINATE, CAN_REORDER]) +# Compiled to v_permlane16_b32. src = [ value, lanesel_lo, lanesel_hi ] +intrinsic("lane_permute_16_amd", src_comp=[1, 1, 1], dest_comp=1, bit_sizes=[32], flags=[CAN_ELIMINATE]) # Basic Geometry Shader intrinsics. # |