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e because many drivers shared a lot of code for i2b and f2b. No shader-db or fossil-db changes on any Intel platform. v2: Rebase on 1a35acd8d9006c9. v3: Update a comment in nir_opcodes_c.py. Suggested by Konstantin. v4: Another rebase. Remove f2b stuff from Midgard. Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20509> 2022-12-14nir: Eliminate nir_op_i2bIan Romanick There are a lot of optimizations in opt_algebraic that match ('ine', a, 0), but there are almost none that match i2b. Instead of adding a huge pile of additional patterns (including variations that include both ine and i2b), always lower i2b to a != 0. At this point in the series, it should be impossible for anything to generate i2b, so there /should not/ be any changes. The failing test on d3d12 is a pre-existing bug that is triggered by this change. I talked to Jesse about it, and, after some analysis, he suggested just adding it to the list of known failures. v2: Don't rematerialize i2b instructions in dxil_nir_lower_x2b. v3: Don't rematerialize i2b instructions in zink_nir_algebraic.py. v4: Fix zink-on-TGL CI failures by calling nir_opt_algebraic after nir_lower_doubles makes progress. The latter can generate b2i instructions, but nir_lower_int64 can't handle them (anymore). v5: Add back most of the hunk at line 2125 of nir_opt_algebraic.py. I had accidentally removed the f2b(bf2(x)) optimization. v6: Just eliminate the i2b instruction. v7: Remove missed i2b32 in midgard_compile.c. Remove (now unused) emit_alu_i2orf2_b1 function from sfn_instr_alu.cpp. Previously this function was still used. :shrug: No shader-db changes on any Intel platform. All Intel platforms had similar results. (Ice Lake shown) Instructions in all programs: 141165875 -> 141165873 (-0.0%) Instructions helped: 2 Cycles in all programs: 9098956382 -> 9098956350 (-0.0%) Cycles helped: 2 The two Vulkan shaders are helped because of the "new" (('b2i32', ('ine', ('ubfe', a, b, 1), 0)), ('ubfe', a, b, 1)) algebraic pattern. Acked-by: Jesse Natalie <jenatali@microsoft.com> [earlier version] Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Tested-by: Daniel Schürmann <daniel@schuermann.dev> [earlier version] Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15121> 2021-12-10microsoft/compiler: Remove algebaric pass for inotJesse Natalie Reviewed-by: Alyssa Rosenzweig <alyssa@collabora.com> Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14140> 2020-11-10microsoft/compiler: translate nir to dxilErik Faye-Lund Here's the code to emit DXIL code from NIR. It's big and bulky as-is, and it needs to be split up a bit. This is the combination of a lot of commits from our development branch, containing code by several authors. Co-authored-by: Bill Kristiansen <billkris@microsoft.com> Co-authored-by: Boris Brezillon <boris.brezillon@collabora.com> Co-authored-by: Daniel Stone <daniels@collabora.com> Co-authored-by: Gert Wollny <gert.wollny@collabora.com> Co-authored-by: Jesse Natalie <jenatali@microsoft.com> Co-authored-by: Louis-Francis Ratté-Boulianne <lfrb@collabora.com> Acked-by: Jason Ekstrand <jason@jlekstrand.net> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7477>