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501b1cbc2c32465f337c1d586faa4e39206d541a
mesa/src/intel/compiler
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Francisco Jerez 501b1cbc2c intel/brw: Fix behavior of scheduler around flag register writes. 
We were currently treating explicit flag writes and reads as a full
scheduler barrier, which is unnecessary since the tracking we already
do handles explicit flag access correctly so there is no reason for
taking a possibly large performance hit from add_barrier_deps().

Found by inspection while trying to understand the poor scheduling of
some fragment shaders.  Improves performance by a small but
statistically significant amount (4 iterations, 5% significance) for
the following Traci tests in combination with a subsequent commit that
makes the pre-RA scheduler sensitive to instruction latencies:

SpaceEngineers-trace-dx11-2160p-high:               0.66% ±0.30%
MountAndBlade2-trace-dx11-1440p-veryhigh:           0.62% ±0.23%

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36618>
2025-09-10 02:15:55 +00:00
..
elk
brw: add support for separate tessellation shader compilation
2025-09-05 07:46:17 +00:00
tests
intel/compiler tests: fix path-to-string conversion
2025-06-23 08:26:29 +00:00
brw_analysis_def.cpp
brw: consider LOAD_PAYLOAD fully defined
2025-07-30 07:57:19 +00:00
brw_analysis_liveness.cpp
intel: fork exec_node/list -> brw_exec_node/list as a private Intel utility
2025-07-31 20:23:02 +00:00
brw_analysis_performance.cpp
brw: Rename is_send_from_grf to is_send, replace other is_send() helper
2025-08-08 22:12:05 +00:00
brw_analysis.cpp
intel: fork exec_node/list -> brw_exec_node/list as a private Intel utility
2025-07-31 20:23:02 +00:00
brw_analysis.h
brw: fix analysis dirtying with pulled constants
2025-08-21 09:04:53 +00:00
brw_asm_internal.h
brw: Rework label tracking in assembler
2025-03-06 17:06:20 -08:00
brw_asm_tool.c
intel/compiler tests: fix variable type for getopt_long() return value
2025-06-23 08:26:29 +00:00
brw_asm.c
brw: Add FILE * parameter to dump_assembly
2025-09-09 10:40:42 -07:00
brw_asm.h
brw: Fix size in assembler when compacting
2025-03-03 20:43:56 +00:00
brw_builder.cpp
brw: Add brw_builder::uniform()
2025-04-04 23:07:21 +00:00
brw_builder.h
brw: fix broadcast opcode
2025-08-28 00:23:44 +03:00
brw_cfg.cpp
intel: fork exec_node/list -> brw_exec_node/list as a private Intel utility
2025-07-31 20:23:02 +00:00
brw_cfg.h
intel: fork exec_node/list -> brw_exec_node/list as a private Intel utility
2025-07-31 20:23:02 +00:00
brw_compile_bs.cpp
intel/brw: Take shader in the brw_generator::generate_code() parameters
2025-08-28 00:06:20 +00:00
brw_compile_cs.cpp
intel/brw: Take shader in the brw_generator::generate_code() parameters
2025-08-28 00:06:20 +00:00
brw_compile_fs.cpp
intel/brw: Take shader in the brw_generator::generate_code() parameters
2025-08-28 00:06:20 +00:00
brw_compile_gs.cpp
anv/brw/iris: move VS VUE computation to backend
2025-09-05 07:46:16 +00:00
brw_compile_mesh.cpp
intel/brw: Take shader in the brw_generator::generate_code() parameters
2025-08-28 00:06:20 +00:00
brw_compile_tcs.cpp
brw: add support for separate tessellation shader compilation
2025-09-05 07:46:17 +00:00
brw_compile_tes.cpp
brw: add support for separate tessellation shader compilation
2025-09-05 07:46:17 +00:00
brw_compile_vs.cpp
anv/brw/iris: move VS VUE computation to backend
2025-09-05 07:46:16 +00:00
brw_compiler.c
all: rename gl_shader_stage to mesa_shader_stage
2025-08-06 10:28:40 +08:00
brw_compiler.h
brw: add support for separate tessellation shader compilation
2025-09-05 07:46:17 +00:00
brw_debug_recompile.c
all: rename gl_shader_stage to mesa_shader_stage
2025-08-06 10:28:40 +08:00
brw_device_sha1_gen_c.py
…
brw_disasm_info.cpp
brw: Add FILE * parameter to dump_assembly
2025-09-09 10:40:42 -07:00
brw_disasm_info.h
brw: Add FILE * parameter to dump_assembly
2025-09-09 10:40:42 -07:00
brw_disasm_tool.c
…
brw_disasm.c
intel: fork exec_node/list -> brw_exec_node/list as a private Intel utility
2025-07-31 20:23:02 +00:00
brw_disasm.h
intel/brw: support for dumping shader line numbers
2025-04-08 19:39:53 +00:00
brw_eu_compact.c
brw: Avoid invalid access when compacting out-of-bounds JIP/UIP
2025-08-20 00:54:41 +00:00
brw_eu_defines.h
Revert "brw: move texture offset packing to NIR"
2025-08-29 06:29:14 +00:00
brw_eu_emit.c
build: avoid redefining unreachable() which is standard in C23
2025-07-31 17:49:42 +00:00
brw_eu_inst.h
brw: Add BRW_TYPE_BF for bfloat16
2025-03-25 05:23:37 +00:00
brw_eu_validate.c
build: avoid redefining unreachable() which is standard in C23
2025-07-31 17:49:42 +00:00
brw_eu.c
build: avoid redefining unreachable() which is standard in C23
2025-07-31 17:49:42 +00:00
brw_eu.h
build: avoid redefining unreachable() which is standard in C23
2025-07-31 17:49:42 +00:00
brw_from_nir.cpp
brw: add support for separate tessellation shader compilation
2025-09-05 07:46:17 +00:00
brw_generator.cpp
brw: Add FILE * parameter to dump_assembly
2025-09-09 10:40:42 -07:00
brw_generator.h
intel/brw: Take shader in the brw_generator::generate_code() parameters
2025-08-28 00:06:20 +00:00
brw_gram.y
brw: Add EU assembler support for bfloat16
2025-03-25 05:23:37 +00:00
brw_inst.cpp
brw: fix broadcast opcode
2025-08-28 00:23:44 +03:00
brw_inst.h
brw: workaround broken indirect RT messages on Gfx11
2025-08-20 15:01:50 +00:00
brw_isa_info.h
intel/compiler: Use #pragma once instead of header guards
2024-12-11 19:47:44 +00:00
brw_kernel.c
intel: Update all NIR_PASS_V to NIR_PASS
2025-07-14 19:25:52 +00:00
brw_kernel.h
intel: rework CL pre-compile
2025-01-25 03:28:07 +00:00
brw_lex.l
brw: Add EU assembler support for bfloat16
2025-03-25 05:23:37 +00:00
brw_list.h
intel: fork exec_node/list -> brw_exec_node/list as a private Intel utility
2025-07-31 20:23:02 +00:00
brw_load_reg.cpp
brw: Add and use brw_reg_is_arf to test for a specific ARF
2025-07-24 23:08:07 +00:00
brw_lower_dpas.cpp
brw: Simplify brw_builder "insert before inst" constructor
2025-03-06 23:33:38 +00:00
brw_lower_integer_multiplication.cpp
brw: Remove bblock_t parameters from various passes
2025-03-06 23:33:38 +00:00
brw_lower_logical_sends.cpp
Revert "brw: move texture offset packing to NIR"
2025-08-29 06:29:14 +00:00
brw_lower_pack.cpp
build: avoid redefining unreachable() which is standard in C23
2025-07-31 17:49:42 +00:00
brw_lower_regioning.cpp
brw: Rename is_send_from_grf to is_send, replace other is_send() helper
2025-08-08 22:12:05 +00:00
brw_lower_scoreboard.cpp
brw: Rename is_send_from_grf to is_send, replace other is_send() helper
2025-08-08 22:12:05 +00:00
brw_lower_simd_width.cpp
brw: Use a builder to track position in lower_simd
2025-07-19 17:49:48 +00:00
brw_lower_subgroup_ops.cpp
brw: Strategically place flags initialization to help cmod prop
2025-08-28 22:08:20 +00:00
brw_lower.cpp
brw: Enumerate SHADER_OPCODE_SEND sources and standardize how many
2025-08-08 22:12:08 +00:00
brw_nir_analyze_ubo_ranges.c
intel/compiler: take reg_unit size into account with ubo ranges
2025-01-07 21:38:06 +00:00
brw_nir_lower_alpha_to_coverage.c
nir: rename nir_lower_io_to_temporaries -> nir_lower_io_vars_to_temporaries
2025-06-26 18:20:54 +00:00
brw_nir_lower_cooperative_matrix.c
build: avoid redefining unreachable() which is standard in C23
2025-07-31 17:49:42 +00:00
brw_nir_lower_cs_intrinsics.c
all: rename gl_shader_stage_uses_workgroup to mesa_shader_stage_uses_workgroup
2025-08-06 10:28:41 +08:00
brw_nir_lower_fs_barycentrics.c
treewide: simplify nir_def_rewrite_uses_after
2025-08-01 15:34:24 +00:00
brw_nir_lower_fsign.py
…
brw_nir_lower_immediate_offsets.c
treewide: use nir_def_as_*
2025-08-01 15:34:24 +00:00
brw_nir_lower_intersection_shader.c
nir: make nir_block::predecessors & dom_frontier sets non-malloc'd
2025-08-21 06:13:48 +00:00
brw_nir_lower_ray_queries.c
intel/compiler: Fix ray geometry index
2025-08-19 09:32:55 +00:00
brw_nir_lower_rt_intrinsics_pre_trace.c
nir: Add a faster lowest common ancestor algorithm
2025-09-08 23:03:13 +00:00
brw_nir_lower_rt_intrinsics.c
intel/compiler: Fix ray geometry index
2025-08-19 09:32:55 +00:00
brw_nir_lower_sample_index_in_coord.c
intel/compiler: Lower sample index into coord for MSRT messages
2025-03-07 23:06:14 +00:00
brw_nir_lower_shader_calls.c
nir: make nir_block::predecessors & dom_frontier sets non-malloc'd
2025-08-21 06:13:48 +00:00
brw_nir_lower_storage_image.c
build: avoid redefining unreachable() which is standard in C23
2025-07-31 17:49:42 +00:00
brw_nir_lower_texel_address.c
build: avoid redefining unreachable() which is standard in C23
2025-07-31 17:49:42 +00:00
brw_nir_lower_texture.c
Revert "brw: move texture offset packing to NIR"
2025-08-29 06:29:14 +00:00
brw_nir_opt_fsat.c
nir: convert nir_instr_worklist to init/fini semantics w/out allocation
2025-08-21 06:13:49 +00:00
brw_nir_rt_builder.h
intel/rt: Update BVH instance leaf load for Xe3+
2025-04-21 20:10:45 +00:00
brw_nir_rt.c
all: rename gl_shader_stage to mesa_shader_stage
2025-08-06 10:28:40 +08:00
brw_nir_rt.h
intel: Update all NIR_PASS_V to NIR_PASS
2025-07-14 19:25:52 +00:00
brw_nir_trig_workarounds.py
…
brw_nir_wa_18019110168.c
treewide: use nir_def_as_*
2025-08-01 15:34:24 +00:00
brw_nir.c
brw: add support for separate tessellation shader compilation
2025-09-05 07:46:17 +00:00
brw_nir.h
brw: add support for separate tessellation shader compilation
2025-09-05 07:46:17 +00:00
brw_opt_address_reg_load.cpp
brw: Fix checking sources of wrong instruction in opt_address_reg_load
2025-08-27 22:50:23 +00:00
brw_opt_algebraic.cpp
brw: Fix folding case for MAD instruction with all immediates
2025-08-21 17:19:18 +00:00
brw_opt_bank_conflicts.cpp
util: crib SWAP macro from freedreno
2025-07-21 11:42:18 +00:00
brw_opt_cmod_propagation.cpp
build: avoid redefining unreachable() which is standard in C23
2025-07-31 17:49:42 +00:00
brw_opt_combine_constants.cpp
intel: fork exec_node/list -> brw_exec_node/list as a private Intel utility
2025-07-31 20:23:02 +00:00
brw_opt_copy_propagation.cpp
brw: Enumerate SHADER_OPCODE_SEND sources and standardize how many
2025-08-08 22:12:08 +00:00
brw_opt_cse.cpp
brw: Stop using is_send_from_grf() in CSE pass
2025-08-08 22:12:05 +00:00
brw_opt_dead_code_eliminate.cpp
intel: fork exec_node/list -> brw_exec_node/list as a private Intel utility
2025-07-31 20:23:02 +00:00
brw_opt_register_coalesce.cpp
brw: enable opt_register_coalesce to work with multiple EOT blocks
2025-08-20 15:01:50 +00:00
brw_opt_saturate_propagation.cpp
brw: Clean up saturate propagation after non-defs version removal
2025-04-09 19:06:48 +00:00
brw_opt_txf_combiner.cpp
brw: Add more specific brw_builder helpers
2025-07-19 17:49:47 +00:00
brw_opt_virtual_grfs.cpp
brw: Don't assert about MAX_VGRF_SIZE in brw_opt_split_virtual_grfs()
2025-04-11 20:34:51 +00:00
brw_opt.cpp
brw: Do cmod prop again after brw_lower_subgroup_ops
2025-08-28 22:08:20 +00:00
brw_packed_float.c
…
brw_prim.h
intel/compiler: Use #pragma once instead of header guards
2024-12-11 19:47:44 +00:00
brw_print.cpp
intel: fork exec_node/list -> brw_exec_node/list as a private Intel utility
2025-07-31 20:23:02 +00:00
brw_private.h
intel/debug: shader dump filter
2025-05-23 19:57:02 +00:00
brw_reg_allocate.cpp
brw: fix INTEL_DEBUG=spill_fs
2025-08-27 15:08:35 +00:00
brw_reg_type.c
brw: Add BRW_TYPE_BF for bfloat16
2025-03-25 05:23:37 +00:00
brw_reg_type.h
brw: Add BRW_TYPE_BF for bfloat16
2025-03-25 05:23:37 +00:00
brw_reg.cpp
build: avoid redefining unreachable() which is standard in C23
2025-07-31 17:49:42 +00:00
brw_reg.h
build: avoid redefining unreachable() which is standard in C23
2025-07-31 17:49:42 +00:00
brw_rt.h
intel/compiler: Use #pragma once instead of header guards
2024-12-11 19:47:44 +00:00
brw_schedule_instructions.cpp
intel/brw: Fix behavior of scheduler around flag register writes.
2025-09-10 02:15:55 +00:00
brw_shader.cpp
intel/brw: Remove brw_shader::import_uniforms()
2025-08-28 00:06:19 +00:00
brw_shader.h
intel/brw: Remove brw_shader::import_uniforms()
2025-08-28 00:06:19 +00:00
brw_simd_selection.cpp
build: avoid redefining unreachable() which is standard in C23
2025-07-31 17:49:42 +00:00
brw_spirv.c
nir: add nir_vectorize_cb callback parameter to nir_lower_phis_to_scalar()
2025-07-08 15:33:59 +00:00
brw_thread_payload.cpp
all: rename gl_shader_stage_is_compute to mesa_shader_stage_is_compute
2025-08-06 10:28:41 +08:00
brw_thread_payload.h
intel/brw: Rename fs_visitor to brw_shader
2025-02-11 09:13:28 +00:00
brw_validate.cpp
brw: Run validation as soon as we have the CFG around
2025-09-03 20:42:05 +00:00
brw_vue_map.c
brw: add support for separate tessellation shader compilation
2025-09-05 07:46:17 +00:00
brw_workaround.cpp
brw: Rename is_send_from_grf to is_send, replace other is_send() helper
2025-08-08 22:12:05 +00:00
intel_gfx_ver_enum.h
build: avoid redefining unreachable() which is standard in C23
2025-07-31 17:49:42 +00:00
intel_nir_blockify_uniform_loads.c
treewide: simplify nir_def_rewrite_uses_after
2025-08-01 15:34:24 +00:00
intel_nir_clamp_image_1d_2d_array_sizes.c
treewide: simplify nir_def_rewrite_uses_after
2025-08-01 15:34:24 +00:00
intel_nir_clamp_per_vertex_loads.c
brw: add support for separate tessellation shader compilation
2025-09-05 07:46:17 +00:00
intel_nir_lower_non_uniform_barycentric_at_sample.c
treewide: use nir_def_as_*
2025-08-01 15:34:24 +00:00
intel_nir_lower_non_uniform_resource_intel.c
treewide: use nir_metadata_control_flow
2024-06-17 16:28:14 -04:00
intel_nir_lower_printf.c
nir: drop printf_base_identifier
2025-02-05 20:33:15 +00:00
intel_nir_lower_shading_rate_output.c
treewide: simplify nir_def_rewrite_uses_after
2025-08-01 15:34:24 +00:00
intel_nir_lower_sparse.c
treewide: simplify nir_def_rewrite_uses_after
2025-08-01 15:34:24 +00:00
intel_nir_opt_peephole_ffma.c
treewide: use nir_def_as_*
2025-08-01 15:34:24 +00:00
intel_nir_opt_peephole_imul32x16.c
treewide: use nir_metadata_control_flow
2024-06-17 16:28:14 -04:00
intel_nir_tcs_workarounds.c
nir: make nir_block::predecessors & dom_frontier sets non-malloc'd
2025-08-21 06:13:48 +00:00
intel_nir.c
intel/compiler: Use nir_split_conversions()
2025-04-07 17:45:21 -05:00
intel_nir.h
brw: add support for separate tessellation shader compilation
2025-09-05 07:46:17 +00:00
intel_shader_enums.h
brw: add support for separate tessellation shader compilation
2025-09-05 07:46:17 +00:00
meson.build
brw: replace lower_fs_msaa with nir_inline_sysval
2025-08-03 21:27:47 +00:00
test_eu_compact.cpp
build: avoid redefining unreachable() which is standard in C23
2025-07-31 17:49:42 +00:00
test_eu_validate.cpp
brw: Add FILE * parameter to dump_assembly
2025-09-09 10:40:42 -07:00
test_helpers.cpp
brw: Simplify the test code for brw passes
2025-03-13 17:43:17 +00:00
test_helpers.h
brw: Add brw_shader_params
2025-08-28 00:06:18 +00:00
test_insert_load_reg.cpp
brw: Add passes to generate and lower load_reg
2025-04-04 06:45:02 +00:00
test_lower_scoreboard.cpp
brw: Enumerate SHADER_OPCODE_SEND sources and standardize how many
2025-08-08 22:12:08 +00:00
test_opt_algebraic.cpp
brw: Fix folding case for MAD instruction with all immediates
2025-08-21 17:19:18 +00:00
test_opt_cmod_propagation.cpp
brw/cmod: Don't propagate from CMP to possible Inf + (-Inf)
2025-04-28 19:44:23 +00:00
test_opt_combine_constants.cpp
brw: Add brw_builder::uniform()
2025-04-04 23:07:21 +00:00
test_opt_copy_propagation.cpp
brw: Simplify the test code for brw passes
2025-03-13 17:43:17 +00:00
test_opt_cse.cpp
brw: Simplify the test code for brw passes
2025-03-13 17:43:17 +00:00
test_opt_register_coalesce.cpp
brw: don't generate invalid instructions
2025-06-04 06:08:26 +00:00
test_opt_saturate_propagation.cpp
brw/sat: Eliminate non-defs saturate propagation
2025-04-04 06:45:02 +00:00
test_simd_selection.cpp
intel: Switch uint64_t intel_debug to a bitset
2025-04-22 23:09:26 +00:00
test_vf_float_conversions.cpp
…