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192 commits

Author SHA1 Message Date
Rhys Perry
6ed18749de aco: allow live-range splits of linear vgprs in top-level blocks 
Fixes dEQP-VK.ssbo.phys.layout.random.8bit.all_per_block_buffers.46 on
GFX8.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12172>
 2021-09-17 14:36:03 +00:00
Rhys Perry
207b2cd434 aco: find scratch reg for sub-dword psuedo instructions which read sgprs 
If there's a sgpr operand before a sub-dword operand, a scratch register
will not be found on GFX6/7.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12172>
 2021-09-17 14:36:03 +00:00
Rhys Perry
f2a48f4eae aco: find a scratch register for sub-dword copies on GFX7 if scc is empty 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12172>
 2021-09-17 14:36:03 +00:00
Rhys Perry
783609a849 aco: add RegClass::is_linear_vgpr helper 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12172>
 2021-09-17 14:36:03 +00:00
Daniel Schürmann
eb8ec12b23 aco/ra: Fix potential out-of-bounds array accesses. 
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12748>
 2021-09-10 19:39:18 +00:00
Rhys Perry
c1e668d5d1 aco/ra: don't use ds_write_b8_d16_hi/ds_write_b16_d16_hi on GFX8 
GFX8 doesn't support these opcodes.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Fixes: c75138ed64 ("aco/ra: refactor subdword definition info")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12721>
 2021-09-06 15:10:26 +00:00
Rhys Perry
8037b21573 aco/ra: allow v1b operands with 16-bit instructions 
Instruction selection can create these.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Fixes: ec1bbfa608 ("aco/ra: refactor subdword operand stride")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12617>
 2021-09-03 13:21:28 +00:00
Rhys Perry
2a7fa132be aco: implement udot_4x8/sdot_4x8/udot_2x16/sdot_2x16 opcodes 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12617>
 2021-09-03 13:21:28 +00:00
Daniel Schürmann
ec1bbfa608 aco/ra: refactor subdword operand stride 
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12364>
 2021-08-23 10:31:40 +00:00
Daniel Schürmann
c75138ed64 aco/ra: refactor subdword definition info 
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12364>
 2021-08-23 10:31:40 +00:00
Daniel Schürmann
3870c52159 aco/ra: don't allocate vector space for MIMG NSA operands 
In this case, the MIMG vaddr components are not vector-aligned anymore, anyway.

Totals from 11866 (7.90% of 150170) affected shaders: (GFX10.3)
VGPRs: 733064 -> 728408 (-0.64%); split: -0.66%, +0.02%
CodeSize: 67968356 -> 67968440 (+0.00%); split: -0.02%, +0.02%
MaxWaves: 214022 -> 214014 (-0.00%)
Instrs: 12798200 -> 12797232 (-0.01%); split: -0.02%, +0.01%
Latency: 196427665 -> 196418706 (-0.00%); split: -0.02%, +0.01%
InvThroughput: 37082037 -> 37080799 (-0.00%); split: -0.02%, +0.02%
VClause: 246097 -> 246031 (-0.03%); split: -0.16%, +0.13%
Copies: 494852 -> 493923 (-0.19%); split: -0.52%, +0.34%
Branches: 220323 -> 220294 (-0.01%); split: -0.03%, +0.02%

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11980>
 2021-07-21 09:38:15 +00:00
Daniel Schürmann
1e2639026f aco: Format. 
Manually adjusted some comments for more intuitive line breaks.

Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11258>
 2021-07-12 21:27:31 +00:00
Daniel Schürmann
3f9e986d33 aco: add missing Licenses and remove Authors from files 
Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11271>
 2021-07-12 12:09:31 +00:00
Daniel Schürmann
59fdaa1985 aco: reorder and cleanup #includes 
Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11271>
 2021-07-12 12:09:31 +00:00
Daniel Schürmann
b14bd285f8 aco/ra: handle copies of copies better 
Instead of adding a second copy, just redirect
the existing copy.

No fossil-db changes.

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11571>
 2021-06-24 16:53:10 +00:00
Daniel Schürmann
995e218993 aco/ra: handle copies of definition registers 
Previously, it could happen that a parallelcopy of
a definition was inserted before the instruction.

Fixes Rage 2 with GFX7.

No fossil-db changes.

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11571>
 2021-06-24 16:53:10 +00:00
Rhys Perry
f8bf6b9e0a aco/ra: use adjust_max_used_regs() in compact_relocate_vars() 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6489>
 2021-06-14 15:47:37 +00:00
Daniel Schürmann
bb1c06343d aco/ra: refactor register assignment for vector operands 
No functional changes.

Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8764>
 2021-06-11 12:35:46 +02:00
Daniel Schürmann
09b99f1b7c aco/ra: refactor affinity coalescing 
Also adds v_interp_p2_f32 to the list of
affinity-related instructions.

Totals from 68 (0.05% of 149839) affected shaders (GFX10.3):
CodeSize: 792928 -> 792056 (-0.11%)
Instrs: 152843 -> 152625 (-0.14%)
Latency: 1235353 -> 1235278 (-0.01%)
InvThroughput: 224087 -> 224049 (-0.02%)
Copies: 9218 -> 9000 (-2.36%)

Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8764>
 2021-06-11 12:35:31 +02:00
Daniel Schürmann
3a98f484d1 aco/ra: only create phi-affinities for killed operands 
If a phi-operand is not killed, it must be copied anyway.
The additional affinity would only overwrite any potential
better affinity that was already created

Totals from 1067 (0.71% of 149839) affected shaders (GFX10.3):
VGPRs: 68072 -> 68064 (-0.01%)
CodeSize: 8252588 -> 8245220 (-0.09%); split: -0.12%, +0.03%
Instrs: 1596146 -> 1593941 (-0.14%); split: -0.16%, +0.02%
Latency: 18828176 -> 18823914 (-0.02%); split: -0.08%, +0.06%
InvThroughput: 3575063 -> 3574787 (-0.01%); split: -0.05%, +0.04%
VClause: 24345 -> 24325 (-0.08%); split: -0.16%, +0.07%
Copies: 88712 -> 87398 (-1.48%); split: -1.77%, +0.29%
Branches: 52067 -> 51364 (-1.35%); split: -1.38%, +0.03%

Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8764>
 2021-06-11 12:35:12 +02:00
Tony Wasserka
3b81f53e34 aco/ra: Split print_regs by lines of 64 registers 
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10517>
 2021-06-08 17:03:08 +02:00
Tony Wasserka
69584478c9 aco/ra: Clean up print_regs output and support byte-allocated variables 
Example output:
       00 03 06 09 12 15 18 21 24 27 30 33 36 39 42
sgprs: ·▉█▉███▉▉█··████···········▉████············

       00 03 06 09 12 15 18 21 24 27 30 33 36 39 42
vgprs: ▉▉··▉▉▉▉▘▀▉▉▉···▉▘▘▉▉▉▉···▉▉▉▀▀▉············

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10517>
 2021-06-08 17:03:08 +02:00
Tony Wasserka
5bfef2de66 aco/ra: Fix off-by-one-error in print_regs 
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Fixes: 3675aefa84 ("aco/ra: Fix build with print_regs enabled")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10517>
 2021-06-08 17:03:08 +02:00
Rhys Perry
54292e99c7 aco: optimize 32-bit extracts and inserts using SDWA 
Still need to use dst_u=preserve field to optimize packs

fossil-db (Sienna Cichlid):
Totals from 15974 (10.66% of 149839) affected shaders:
VGPRs: 1009064 -> 1008968 (-0.01%); split: -0.03%, +0.02%
SpillSGPRs: 7959 -> 7964 (+0.06%)
CodeSize: 101716436 -> 101159568 (-0.55%); split: -0.55%, +0.01%
MaxWaves: 284464 -> 284490 (+0.01%); split: +0.02%, -0.01%
Instrs: 19334216 -> 19224241 (-0.57%); split: -0.57%, +0.00%
Latency: 375465295 -> 375230478 (-0.06%); split: -0.14%, +0.08%
InvThroughput: 79006105 -> 78860705 (-0.18%); split: -0.25%, +0.07%

fossil-db (Polaris):
Totals from 11369 (7.51% of 151365) affected shaders:
SGPRs: 787920 -> 787680 (-0.03%); split: -0.04%, +0.01%
VGPRs: 681056 -> 681040 (-0.00%); split: -0.01%, +0.00%
CodeSize: 68127288 -> 67664120 (-0.68%); split: -0.69%, +0.01%
MaxWaves: 54370 -> 54371 (+0.00%)
Instrs: 13294638 -> 13214109 (-0.61%); split: -0.62%, +0.01%
Latency: 373515759 -> 373214571 (-0.08%); split: -0.11%, +0.03%
InvThroughput: 166529524 -> 166275291 (-0.15%); split: -0.20%, +0.05%

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3151>
 2021-06-08 08:57:43 +00:00
Rhys Perry
fb31dda909 aco/ra: use flags instead of booleans for update_renames() 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10459>
 2021-05-17 13:31:07 +00:00
Rhys Perry
6fd6374e27 aco/ra: fix get_reg_for_operand() with vector operands 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10459>
 2021-05-17 13:31:07 +00:00
Rhys Perry
c08bfa110c aco/ra: fix get_reg_for_operand() when the blocking var is a vector 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10459>
 2021-05-17 13:31:07 +00:00
Rhys Perry
bc95d55e1f aco/ra: fix get_reg_for_operand() with no free registers 
fossil-db (Sienna Cichlid):
Totals from 195 (0.13% of 149839) affected shaders:
CodeSize: 2352160 -> 2356720 (+0.19%); split: -0.00%, +0.20%
Instrs: 431976 -> 433124 (+0.27%); split: -0.00%, +0.27%
Latency: 10174434 -> 10174897 (+0.00%); split: -0.00%, +0.00%
InvThroughput: 4044388 -> 4044425 (+0.00%); split: -0.00%, +0.00%
Copies: 67634 -> 68762 (+1.67%); split: -0.00%, +1.67%

fossil-db (Polaris):
Totals from 186 (0.12% of 151365) affected shaders:
CodeSize: 2272356 -> 2276848 (+0.20%); split: -0.00%, +0.20%
Instrs: 432390 -> 433513 (+0.26%); split: -0.00%, +0.26%
Latency: 13153394 -> 13160194 (+0.05%); split: -0.00%, +0.05%
InvThroughput: 10889509 -> 10889967 (+0.00%); split: -0.00%, +0.00%
SClause: 12745 -> 12747 (+0.02%)
Copies: 74832 -> 75945 (+1.49%); split: -0.01%, +1.50%

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10459>
 2021-05-17 13:31:07 +00:00
Rhys Perry
4e459df0fc aco/ra: initialize temp_in_scc earlier 
We need to know if there's a temporary in SCC before the instruction, not
after.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Fixes: 93c8ebfa78 ("aco: Initial commit of independent AMD compiler")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10459>
 2021-05-17 13:31:07 +00:00
Daniel Schürmann
b960169257 aco/ra: also prevent overflow register for p_create_vector operands 
Fixes: d659ce0d6c ('aco/ra: prevent underflow register for p_create_vector operands')
Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10832>
 2021-05-17 11:18:25 +00:00
Daniel Schürmann
d659ce0d6c aco/ra: prevent underflow register for p_create_vector operands 
It could happen that we tested negative out-of-range
registers for p_create_vector operands resulting in a crash.

Fixes: 8962510e38 ('aco/ra: Conservatively refactor get_reg_specified to use PhysRegInterval')
Closes: #4697
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10799>
 2021-05-14 17:26:41 +00:00
Rhys Perry
776ba40115 aco: add and use Program::progress 
This is used when printing the program and to avoid updating register
demand during post-RA liveness analysis.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10315>
 2021-04-21 11:09:33 +00:00
Rhys Perry
5b8a4516e6 aco/ra: remove live-in temporary from live_out_per_block when moving it 
Otherwise, handle_loop_phis() might pass it to handle_live_in() and then
we could have two phis for this variable.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Fixes: 7c64623e94 ("aco/ra: refactor SSA repairing during register allocation")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10236>
 2021-04-14 19:04:08 +00:00
Rhys Perry
11fde1247c aco/ra: use original names when renaming loop carried phi operands 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Fixes: 7c64623e94 ("aco/ra: refactor SSA repairing during register allocation")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10236>
 2021-04-14 19:04:08 +00:00
Daniel Schürmann
8e43abcd2c aco/ra: remove exec handling for phis 
These are not temporaries anymore.

Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9763>
 2021-03-25 15:12:19 +00:00
Daniel Schürmann
3284f755a3 aco/ra: allow m0 in get_reg_specified() 
Totals from 1 (0.00% of 136546) affected shaders (Navi10):
CodeSize: 12788 -> 12776 (-0.09%)
Instrs: 2441 -> 2438 (-0.12%)
Latency: 29713 -> 29731 (+0.06%)
InvThroughput: 14857 -> 14866 (+0.06%)
Copies: 354 -> 353 (-0.28%)
Branches: 66 -> 65 (-1.52%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9763>
 2021-03-25 15:12:19 +00:00
Daniel Schürmann
4bfbd4de84 aco/ra: iterate backwards when coalescing phis 
Aligning the phi definition with the operand from
the else- block can reduce the number of branches
if the else- block is otherwise empty.

Totals from 16 (0.01% of 136546) affected shaders (Navi10:
CodeSize: 707848 -> 707312 (-0.08%); split: -0.09%, +0.01%
Instrs: 126534 -> 126400 (-0.11%); split: -0.13%, +0.02%
Latency: 6399306 -> 6395082 (-0.07%)
InvThroughput: 6134374 -> 6132119 (-0.04%); split: -0.04%, +0.00%
SClause: 1879 -> 1871 (-0.43%)
Copies: 36316 -> 36219 (-0.27%); split: -0.37%, +0.10%
Branches: 4154 -> 4127 (-0.65%); split: -0.67%, +0.02%

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9763>
 2021-03-25 15:12:19 +00:00
Daniel Schürmann
7c64623e94 aco/ra: refactor SSA repairing during register allocation 
The previous approach attempted to construct phi nodes
on-demand and on-the-fly. Due to several bugs, it became
necessary to always create incomplete phis for all live-in
variables on loop headers, which is highly inefficient.

The new approach assumes that live-in variables on loop-
headers don't get renamed, and afterwards does one renaming
pass per loop nest. This greatly simplifies the code and
reduces the memory footprint.

Totals from 37 (0.03% of 136546) affected shaders (Navi10):
CodeSize: 588148 -> 588020 (-0.02%); split: -0.03%, +0.01%
Instrs: 111793 -> 111761 (-0.03%); split: -0.04%, +0.01%
Latency: 4546013 -> 4545611 (-0.01%); split: -0.02%, +0.01%
InvThroughput: 2806217 -> 2805730 (-0.02%); split: -0.03%, +0.01%
VClause: 2044 -> 2046 (+0.10%)
SClause: 3889 -> 3884 (-0.13%)
Copies: 17730 -> 17700 (-0.17%); split: -0.23%, +0.06%
Branches: 3282 -> 3280 (-0.06%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Acked-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9763>
 2021-03-25 15:12:19 +00:00
Daniel Schürmann
3ea2c05b32 aco/ra: split register_file initialization into separate function 
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9763>
 2021-03-25 15:12:19 +00:00
Daniel Schürmann
e4902d4574 aco/ra: split affinity creation into separate function 
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9763>
 2021-03-25 15:12:19 +00:00
Tony Wasserka
893aab57a8 aco/ra: Avoid unnecessary copying of std::vectors 
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9801>
 2021-03-24 22:20:25 +00:00
Daniel Schürmann
3413c48375 aco/ra: allow VCC on SMEM sbase operand on GFX10+ 
Totals from 26 (0.02% of 146267) affected shaders (Navi10):
CodeSize: 324764 -> 324560 (-0.06%)
Instrs: 61090 -> 61039 (-0.08%)
Cycles: 2681952 -> 2668872 (-0.49%)
VMEM: 5773 -> 5769 (-0.07%)
SMEM: 1621 -> 1611 (-0.62%)
SClause: 2546 -> 2543 (-0.12%)
Copies: 4671 -> 4620 (-1.09%)

Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9531>
 2021-03-18 17:15:00 +00:00
Rhys Perry
3d4c13f3b8 aco: add DeviceInfo 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8761>
 2021-02-15 13:44:22 +00:00
Daniel Schürmann
8b793f9567 aco: remove dead code for the handling of exec temporaries 
Totals from 26026 (18.67% of 139391) affected shaders (Navi10):
PreSGPRs: 370993 -> 326177 (-12.08%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8870>
 2021-02-12 22:41:31 +00:00
Daniel Schürmann
171fbe3ae1 aco: check get_reg_specified() on register hints 
This ensures that max_used_sgpr is adjusted accordingly.

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8921>
 2021-02-12 19:00:18 +00:00
Daniel Schürmann
dd16e21e97 aco: also consider VCC in get_reg_specified() 
This allows split_vector and others to keep their VCC position.

Totals from 4573 (3.28% of 139391) affected shaders (Navi10):
CodeSize: 54292268 -> 54289324 (-0.01%); split: -0.03%, +0.03%
Instrs: 10327645 -> 10326941 (-0.01%); split: -0.04%, +0.04%
Cycles: 744410748 -> 744034732 (-0.05%); split: -0.07%, +0.02%
VMEM: 749093 -> 749092 (-0.00%); split: +0.00%, -0.00%
SMEM: 269306 -> 269322 (+0.01%)
SClause: 358746 -> 358744 (-0.00%)
Copies: 826051 -> 823910 (-0.26%); split: -0.55%, +0.29%
Branches: 355074 -> 356493 (+0.40%); split: -0.01%, +0.41%

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8921>
 2021-02-12 19:00:18 +00:00
Daniel Schürmann
b98a4d4dd7 aco: refactor GPR limit calculation 
This patch delays the calculation of GPR limits in order to
precisely incorporate extra registers (VCC etc.) and shared VGPRs.

Additionally, the allocation granularity is used to set the config.
This has some effect on the reported SGPR stats.

Totals (Navi10):
SGPRs: 6971787 -> 17753642 (+154.65%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8921>
 2021-02-12 19:00:18 +00:00
Rhys Perry
cc8613c8d5 aco: add fallback algorithm in get_reg() 
The generated code is often terrible, but the situations where this is
needed are rare.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8713>
 2021-02-05 14:41:24 +00:00
Tony Wasserka
5df057a3e6 aco/ra: Add helper to get a PhysRegInterval for the register demand 
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8737>
 2021-02-03 08:17:49 +00:00
Tony Wasserka
5fdc298e4b aco/ra: Remove preprocessor guards for print_regs 
This debug helper isn't used anywhere by default, but compiling it anyway
ensures future refactors don't break it.

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8719>
 2021-01-27 12:08:47 +01:00