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Ian Romanick cb3e21cd19 intel/fs: Use De Morgan's laws to avoid logical-not of a logic result on Gen8+ 
Instead of emitting ~(a & b), emit (~a | ~b) since logical-not of
operands is free on Gen8+.

v2: Fix swizzles.  Fix types for cmod propagation.

v3: Simplify logic for inverting source of inot(ixor(a, b)).  Suggested
by Ken.

Skylake and Broadwell had similar results. (Skylake shown)
Skylake
total instructions in shared programs: 15185593 -> 15185583 (<.01%)
instructions in affected programs: 5673 -> 5663 (-0.18%)
helped: 12
HURT: 1
helped stats (abs) min: 1 max: 2 x̄: 1.17 x̃: 1
helped stats (rel) min: 0.30% max: 5.88% x̄: 1.50% x̃: 0.70%
HURT stats (abs)   min: 4 max: 4 x̄: 4.00 x̃: 4
HURT stats (rel)   min: 0.12% max: 0.12% x̄: 0.12% x̃: 0.12%
95% mean confidence interval for instructions value: -1.66 0.13
95% mean confidence interval for instructions %-change: -2.60% -0.15%
Inconclusive result (value mean confidence interval includes 0).

total cycles in shared programs: 370977726 -> 370964249 (<.01%)
cycles in affected programs: 869987 -> 856510 (-1.55%)
helped: 15
HURT: 2
helped stats (abs) min: 2 max: 6640 x̄: 902.20 x̃: 16
helped stats (rel) min: <.01% max: 4.92% x̄: 1.71% x̃: 1.53%
HURT stats (abs)   min: 14 max: 42 x̄: 28.00 x̃: 28
HURT stats (rel)   min: 1.08% max: 3.18% x̄: 2.13% x̃: 2.13%
95% mean confidence interval for cycles value: -1654.87 69.34
95% mean confidence interval for cycles %-change: -2.29% -0.23%
Inconclusive result (value mean confidence interval includes 0).

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
2019-03-01 12:42:14 -08:00
..
.gitignore
…
brw_cfg.cpp
intel/cfg: Represent divergent control flow paths caused by non-uniform loop execution.
2017-12-07 18:27:05 -08:00
brw_cfg.h
intel/compiler: consistently use ifndef guards over pragma once
2017-03-22 16:55:22 +00:00
brw_clip_line.c
i965: Move clip program compilation to the compiler
2017-05-26 07:58:01 -07:00
brw_clip_point.c
i965: Move clip program compilation to the compiler
2017-05-26 07:58:01 -07:00
brw_clip_tri.c
i965: Don't emit MOVs with undefined registers for Gen4 point clipping.
2018-02-28 15:03:51 -08:00
brw_clip_unfilled.c
i965: Move clip program compilation to the compiler
2017-05-26 07:58:01 -07:00
brw_clip_util.c
i965: Move clip program compilation to the compiler
2017-05-26 07:58:01 -07:00
brw_clip.h
i965: Move clip program compilation to the compiler
2017-05-26 07:58:01 -07:00
brw_compile_clip.c
i965: Rewrite disassembly annotation code
2017-11-17 12:14:38 -08:00
brw_compile_sf.c
i965: Move SF compilation to the compiler
2017-05-26 07:58:01 -07:00
brw_compiler.c
intel: Use the NIR lowering for isign.
2019-02-14 00:32:30 +00:00
brw_compiler.h
i965: Add support for sampling from XYUV images
2019-02-26 13:08:52 +00:00
brw_dead_control_flow.cpp
…
brw_dead_control_flow.h
intel/compiler: consistently use ifndef guards over pragma once
2017-03-22 16:55:22 +00:00
brw_disasm_info.c
intel/compiler: Silence unused parameter warnings
2018-08-22 20:31:32 -07:00
brw_disasm_info.h
i965: Stop including brw_cfg.h in brw_disasm_info.h
2017-11-17 21:51:16 -08:00
brw_disasm.c
intel/fs: Implement nir_intrinsic_global_atomic_*
2019-02-01 16:11:00 -06:00
brw_eu_compact.c
intel/compiler: Add instruction compaction support on Gen11
2018-02-28 11:15:47 -08:00
brw_eu_defines.h
intel/compiler: Re-prefix non-logical surface opcodes with VEC4
2019-02-28 16:58:20 -06:00
brw_eu_emit.c
intel/vec4: Drop dead code for handling typed surface messages
2019-02-28 16:58:20 -06:00
brw_eu_util.c
intel/compiler: whitespace cleanups
2017-03-13 11:16:35 +00:00
brw_eu_validate.c
intel/eu: Add support for the SENDS[C] messages
2019-01-29 18:43:55 +00:00
brw_eu.c
intel/eu: print bytes instead of 32 bit hex value
2018-08-27 11:07:39 -07:00
brw_eu.h
intel/vec4: Drop dead code for handling typed surface messages
2019-02-28 16:58:20 -06:00
brw_fs_bank_conflicts.cpp
i965/fs: unspills shoudn't use grf127 as dest since Gen8+
2018-07-12 18:02:26 +02:00
brw_fs_builder.h
intel/fs: Use split sends for surface writes on gen9+
2019-01-29 18:43:55 +00:00
brw_fs_cmod_propagation.cpp
intel/fs: Relax type matching rules in cmod propagation from MOV instructions
2019-03-01 12:42:14 -08:00
brw_fs_combine_constants.cpp
intel/compiler: Rearrange code to avoid future problems
2019-01-09 16:42:41 -08:00
brw_fs_copy_propagation.cpp
intel/compiler: Re-prefix non-logical surface opcodes with VEC4
2019-02-28 16:58:20 -06:00
brw_fs_cse.cpp
intel/fs: Properly handle 64-bit types in LOAD_PAYLOAD
2019-02-01 16:10:57 -06:00
brw_fs_dead_code_eliminate.cpp
intel/compiler: Re-prefix non-logical surface opcodes with VEC4
2019-02-28 16:58:20 -06:00
brw_fs_generator.cpp
intel/eu: Add an EOT parameter to send_indirect_[split]_message
2019-02-25 11:35:12 -06:00
brw_fs_live_variables.cpp
intel/fs: Restrict live intervals to the subset possibly reachable from any definition.
2017-12-07 18:27:04 -08:00
brw_fs_live_variables.h
intel/fs: Restrict live intervals to the subset possibly reachable from any definition.
2017-12-07 18:27:04 -08:00
brw_fs_lower_pack.cpp
…
brw_fs_lower_regioning.cpp
intel/fs: Cap dst-aligned region stride to maximum representable hstride value.
2019-02-21 14:07:25 -08:00
brw_fs_nir.cpp
intel/fs: Use De Morgan's laws to avoid logical-not of a logic result on Gen8+
2019-03-01 12:42:14 -08:00
brw_fs_reg_allocate.cpp
intel/fs: Do the grf127 hack on SIMD8 instructions in SIMD16 mode
2019-02-01 16:11:00 -06:00
brw_fs_register_coalesce.cpp
intel/compiler: Prevent warnings in the following patch
2019-01-09 16:42:41 -08:00
brw_fs_saturate_propagation.cpp
i965/fs: Handle negating immediates on MADs when propagating saturates
2017-11-21 10:13:07 -08:00
brw_fs_sel_peephole.cpp
intel/compiler: fix register allocation in opt_peephole_sel
2018-11-28 08:28:27 +01:00
brw_fs_validate.cpp
intel: disable FS IR validation in release mode.
2018-10-15 18:10:27 -07:00
brw_fs_visitor.cpp
intel/compiler: use 0 as sampler in emit_mcs_fetch
2019-02-08 14:51:56 -08:00
brw_fs.cpp
intel/fs: Handle OR source modifiers in algebraic optimization
2019-03-01 12:42:14 -08:00
brw_fs.h
intel/fs: Emit logical-not of operands on Gen8+
2019-03-01 12:42:14 -08:00
brw_inst.h
intel/eu: Add support for the SENDS[C] messages
2019-01-29 18:43:55 +00:00
brw_interpolation_map.c
…
brw_ir_allocator.h
intel/ir: Don't allow allocating zero registers
2018-12-11 21:26:23 -06:00
brw_ir_fs.h
intel/fs: Rely on undocumented unrestricted regioning for 32x16-bit integer multiply.
2019-02-21 14:07:25 -08:00
brw_ir_vec4.h
intel: Don't propagate conditional modifiers if a UD source is negated
2018-10-10 13:13:12 -05:00
brw_nir_analyze_boolean_resolves.c
nir: Rename Boolean-related opcodes to include 32 in the name
2018-12-16 21:03:02 +00:00
brw_nir_analyze_ubo_ranges.c
intel/analyze_ubo_ranges: Use nir_src_is_const and friends
2018-11-08 10:09:25 -06:00
brw_nir_attribute_workarounds.c
i965: Drop support for the legacy SNORM -> Float equation.
2018-01-02 16:51:42 -08:00
brw_nir_lower_cs_intrinsics.c
intel,nir: Move gl_LocalInvocationID lowering to nir_lower_system_values
2018-11-19 09:57:41 -06:00
brw_nir_lower_image_load_store.c
nir: Move intel's half-float image store lowering to to nir_format.h.
2018-12-13 12:24:26 -08:00
brw_nir_lower_mem_access_bit_sizes.c
intel/compiler: Silence warning about value that may be used uninitialized
2019-02-08 10:37:06 -08:00
brw_nir_opt_peephole_ffma.c
intel/peephole_ffma: Fix swizzle propagation
2019-01-11 10:44:08 -06:00
brw_nir_tcs_workarounds.c
util: use C99 declaration in the for-loop set_foreach() macro
2018-10-25 12:43:18 +01:00
brw_nir_trig_workarounds.py
python: Use the print function
2018-07-06 10:04:22 -07:00
brw_nir.c
i965: Add support for sampling from XYUV images
2019-02-26 13:08:52 +00:00
brw_nir.h
intel/compiler: Lower SSBO and shared loads/stores in NIR
2018-11-15 19:59:49 -06:00
brw_packed_float.c
…
brw_predicated_break.cpp
…
brw_reg_type.c
intel/compiler: Check for unsupported register sizes.
2018-03-16 09:27:16 -07:00
brw_reg_type.h
intel/compiler: Add Gen11+ native float type
2018-02-28 11:15:47 -08:00
brw_reg.h
intel/compiler: Expand size of the 'nr' field
2019-01-09 16:42:41 -08:00
brw_schedule_instructions.cpp
intel/compiler: Re-prefix non-logical surface opcodes with VEC4
2019-02-28 16:58:20 -06:00
brw_shader.cpp
intel/compiler: Re-prefix non-logical surface opcodes with VEC4
2019-02-28 16:58:20 -06:00
brw_shader.h
intel/fs: Add a generic SEND opcode
2019-01-29 18:43:55 +00:00
brw_vec4_builder.h
intel/compiler: Lower flrp32 on Gen11+
2018-02-28 11:15:47 -08:00
brw_vec4_cmod_propagation.cpp
intel/compiler: use correct swizzle for replacement
2019-02-27 20:06:42 +00:00
brw_vec4_copy_propagation.cpp
intel/compiler: Re-prefix non-logical surface opcodes with VEC4
2019-02-28 16:58:20 -06:00
brw_vec4_cse.cpp
i965/vec4: Allow CSE on subset VF constant loads
2018-03-08 15:26:26 -08:00
brw_vec4_dead_code_eliminate.cpp
i965/vec4/dce: Don't narrow the write mask if the flags are used
2018-12-17 13:47:06 -08:00
brw_vec4_generator.cpp
intel/compiler: Re-prefix non-logical surface opcodes with VEC4
2019-02-28 16:58:20 -06:00
brw_vec4_gs_nir.cpp
intel/vec4: Use the new nir_src_is_const and friends
2018-11-08 10:09:25 -06:00
brw_vec4_gs_visitor.cpp
intel/compiler: Use nir's info when checking uses_streams.
2018-11-28 13:35:29 -08:00
brw_vec4_gs_visitor.h
i965/vec4: Delete the system value infastructure
2017-05-09 15:08:07 -07:00
brw_vec4_live_variables.cpp
…
brw_vec4_live_variables.h
i965/vec4: consider subregister offset in live variables
2017-04-14 14:56:08 -07:00
brw_vec4_nir.cpp
intel/vec4: Emit constants for some ALU sources as immediate values
2019-03-01 12:41:46 -08:00
brw_vec4_reg_allocate.cpp
intel/compiler: Prevent warnings in the following patch
2019-01-09 16:42:41 -08:00
brw_vec4_surface_builder.cpp
intel/compiler: Re-prefix non-logical surface opcodes with VEC4
2019-02-28 16:58:20 -06:00
brw_vec4_surface_builder.h
intel/vec4: Drop dead code for handling typed surface messages
2019-02-28 16:58:20 -06:00
brw_vec4_tcs.cpp
i965: Do NIR shader cloning in the caller.
2018-11-20 15:53:46 -08:00
brw_vec4_tcs.h
i965/vec4: Delete the system value infastructure
2017-05-09 15:08:07 -07:00
brw_vec4_tes.cpp
i965/vec4: Clamp indirect tes input array reads with 0x0fffffff
2018-09-01 00:23:45 -07:00
brw_vec4_tes.h
i965/vec4: Delete the system value infastructure
2017-05-09 15:08:07 -07:00
brw_vec4_visitor.cpp
intel/compiler: use 0 as sampler in emit_mcs_fetch
2019-02-08 14:51:56 -08:00
brw_vec4_vs_visitor.cpp
i965: Drop support for the legacy SNORM -> Float equation.
2018-01-02 16:51:42 -08:00
brw_vec4_vs.h
i965: Drop support for the legacy SNORM -> Float equation.
2018-01-02 16:51:42 -08:00
brw_vec4.cpp
intel/compiler: Re-prefix non-logical surface opcodes with VEC4
2019-02-28 16:58:20 -06:00
brw_vec4.h
intel/compiler: Prevent warnings in the following patch
2019-01-09 16:42:41 -08:00
brw_vue_map.c
…
brw_wm_iz.cpp
intel/fs: Extend thread payload layout to SIMD32
2018-06-28 13:19:38 -07:00
gen6_gs_visitor.cpp
intel/compiler: Prevent warnings in the following patch
2019-01-09 16:42:41 -08:00
gen6_gs_visitor.h
…
meson.build
intel/fs: Drop the fs_surface_builder
2019-02-28 16:58:20 -06:00
test_eu_compact.cpp
intel/ir: Fix invalid type aliasing with undefined behavior in test_eu_compact.
2018-02-27 11:42:39 -08:00
test_eu_validate.cpp
intel: Introducing Whiskey Lake platform
2018-10-11 10:02:40 -07:00
test_fs_cmod_propagation.cpp
intel/compiler/test: Add unit test for mismatched signedness comparison
2019-02-15 11:11:02 -08:00
test_fs_copy_propagation.cpp
…
test_fs_saturate_propagation.cpp
i965/fs: Check ADD/MAD with immediates in satprop unit test
2017-11-21 10:13:07 -08:00
test_vec4_cmod_propagation.cpp
i965/vec4: Silence unused parameter warnings in vec4 compiler tests
2018-12-17 13:47:06 -08:00
test_vec4_copy_propagation.cpp
i965/vec4: Silence unused parameter warnings in vec4 compiler tests
2018-12-17 13:47:06 -08:00
test_vec4_dead_code_eliminate.cpp
i965/vec4/dce: Don't narrow the write mask if the flags are used
2018-12-17 13:47:06 -08:00
test_vec4_register_coalesce.cpp
i965/vec4: Silence unused parameter warnings in vec4 compiler tests
2018-12-17 13:47:06 -08:00
test_vf_float_conversions.cpp
…