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440 commits

Author SHA1 Message Date
Rhys Perry
d2a9122cfa aco/tests: add function call regalloc tests
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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/38811>
 2026-01-16 10:05:43 +00:00
Rhys Perry
bf30a57440 aco/ra: omit renaming when necessary when moving copy definitions 
This should resolve the FIXME.

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/38811>
 2026-01-16 10:05:41 +00:00
Emma Anholt
ed8676dc28 nir: Rename the unit_test_*_amd intrinics to be un-vendored. 
We'll reuse these from the nir_opt_algebraic_pattern_test.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39076>
 2026-01-15 19:09:37 +00:00
Georg Lehmann
daf235c607 aco/tests: don't destroy vk_device if it was never created 
Happens if you only run one test that doesn't need a vk_device.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39268>
 2026-01-12 16:16:54 +00:00
Georg Lehmann
fad95030a7 aco/tests: test VALUMaskWriteHazard with v_cmpx 
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39252>
 2026-01-12 15:48:39 +00:00
Georg Lehmann
1d85552745 aco/tests: test VALUReadSGPRHazard with v_cmpx 
To avoid regressing this in a future rework.

Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39252>
 2026-01-12 15:48:39 +00:00
Daniel Schürmann
eb16f701a6 aco/tests: Add new test to pack 2x16 SGPRs into VGPR 
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39107>
 2026-01-05 14:54:00 +00:00
Daniel Schürmann
61c1ec541d aco/tests: Add test for subdword extraction from SGPR 
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39107>
 2026-01-05 14:54:00 +00:00
Daniel Schürmann
d8481fd7cc aco/lower_to_hw: Fix SGPR Operand RegClasses of subdword copies 
Extracting from an SGPR could cause a wrong RegClass on
the operand which could later lead to selecting VOPD
instructions which falsely operate on the corresponding
VGPR.

Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39107>
 2026-01-05 14:53:58 +00:00
Daniel Schürmann
7b1f6fa6fc aco: remove radeon_family from aco::Program
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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38701>
 2025-12-22 07:34:48 +00:00
Daniel Schürmann
f791e46c47 aco: add ac_cu_info to aco_compiler_options 
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38701>
 2025-12-22 07:34:46 +00:00
Daniel Schürmann
addd4ea59f aco: pass aco_compiler_options to init_program() 
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38701>
 2025-12-22 07:34:46 +00:00
Daniel Schürmann
bf9bec07c2 aco/tests: don't pass CHIP_UNKNOWN to ACO 
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38701>
 2025-12-22 07:34:46 +00:00
Georg Lehmann
17e597093d radv: eliminate unused FS output channels 
For formats that don't have all color channels, there is no reason to
output all of them.
Games often write to R only or RGB formats with non trivial remaining channels.

Foz-DB Navi21:
Totals from 10270 (10.55% of 97347) affected shaders:
MaxWaves: 249166 -> 250950 (+0.72%); split: +0.73%, -0.01%
Instrs: 8442016 -> 8354715 (-1.03%); split: -1.05%, +0.01%
CodeSize: 45939644 -> 45487156 (-0.98%); split: -1.01%, +0.02%
VGPRs: 472584 -> 463784 (-1.86%); split: -1.98%, +0.12%
SpillSGPRs: 1502 -> 1448 (-3.60%)
LDS: 6024192 -> 6011904 (-0.20%)
Inputs: 42463 -> 41773 (-1.62%)
Outputs: 24601 -> 23955 (-2.63%)
Latency: 78011745 -> 77653907 (-0.46%); split: -0.56%, +0.10%
InvThroughput: 19767826 -> 19274046 (-2.50%); split: -2.53%, +0.03%
VClause: 177891 -> 176681 (-0.68%); split: -0.80%, +0.12%
SClause: 236784 -> 235324 (-0.62%); split: -0.72%, +0.10%
Copies: 621048 -> 616096 (-0.80%); split: -1.03%, +0.23%
Branches: 202608 -> 201811 (-0.39%); split: -0.44%, +0.05%
PreSGPRs: 441032 -> 437698 (-0.76%); split: -0.77%, +0.01%
PreVGPRs: 378067 -> 369564 (-2.25%); split: -2.26%, +0.01%
VALU: 5906415 -> 5833179 (-1.24%); split: -1.25%, +0.01%
SALU: 973428 -> 968088 (-0.55%); split: -0.61%, +0.06%
VMEM: 298277 -> 296504 (-0.59%); split: -0.61%, +0.01%
SMEM: 402244 -> 399612 (-0.65%); split: -0.71%, +0.06%

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38853>
 2025-12-12 17:00:51 +00:00
Rhys Perry
156ae6195e aco: print large p_parallelcopy using several lines 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Reviewed-by: Emre Cecanpunar <emreleno@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38695>
 2025-12-11 16:51:21 +00:00
Marek Olšák
9b011a7344 amd: rename most GFX115x definitions for released chips 
addrlib changes match the original code.

Acked-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38718>
 2025-12-03 13:29:07 +00:00
Georg Lehmann
d86f5f6bcb aco/optimizer: apply omod to pseudo scalar trans instructions
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Foz-DB Navi48:
Totals from 2062 (2.11% of 97637) affected shaders:
Instrs: 8061281 -> 8055482 (-0.07%); split: -0.07%, +0.00%
CodeSize: 42727968 -> 42696504 (-0.07%); split: -0.07%, +0.00%
Latency: 54739436 -> 54737749 (-0.00%); split: -0.00%, +0.00%
InvThroughput: 10833704 -> 10833346 (-0.00%); split: -0.00%, +0.00%
VClause: 167276 -> 167275 (-0.00%)
SClause: 160183 -> 160163 (-0.01%); split: -0.02%, +0.01%
Copies: 684315 -> 683984 (-0.05%); split: -0.05%, +0.00%
PreSGPRs: 146747 -> 146746 (-0.00%)
VALU: 4377180 -> 4377168 (-0.00%); split: -0.00%, +0.00%
SALU: 1255321 -> 1251342 (-0.32%); split: -0.32%, +0.00%
VOPD: 16467 -> 16469 (+0.01%)

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38658>
 2025-11-29 08:27:59 +00:00
Georg Lehmann
b82339d99e aco/optimizer: use new helpers for omod/clamp 
Also resolves the old TODO about using omod for multiplication
with negative 0.5, 2.0 or 4.0.

Foz-DB Navi21:
Totals from 5680 (5.82% of 97591) affected shaders:
MaxWaves: 111976 -> 111974 (-0.00%)
Instrs: 12013419 -> 12003946 (-0.08%); split: -0.08%, +0.00%
CodeSize: 65379508 -> 65364884 (-0.02%); split: -0.04%, +0.02%
VGPRs: 375840 -> 375856 (+0.00%); split: -0.00%, +0.01%
Latency: 85804600 -> 85784850 (-0.02%); split: -0.03%, +0.01%
InvThroughput: 20705698 -> 20692571 (-0.06%); split: -0.07%, +0.00%
VClause: 269772 -> 269606 (-0.06%); split: -0.09%, +0.03%
SClause: 324997 -> 324934 (-0.02%); split: -0.03%, +0.01%
Copies: 963255 -> 963264 (+0.00%); split: -0.06%, +0.06%
Branches: 326691 -> 326688 (-0.00%); split: -0.00%, +0.00%
PreSGPRs: 345106 -> 345109 (+0.00%)
PreVGPRs: 317681 -> 317729 (+0.02%)
VALU: 8372681 -> 8363374 (-0.11%); split: -0.11%, +0.00%
SALU: 1456669 -> 1456589 (-0.01%); split: -0.01%, +0.01%

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38658>
 2025-11-29 08:27:59 +00:00
Georg Lehmann
69b5767eee aco/optimizer: use new helpers to create v_fma_mixlo_f16 
Foz-DB Navi21:
Totals from 69 (0.07% of 97591) affected shaders:
Instrs: 45091 -> 45057 (-0.08%)
CodeSize: 244016 -> 243932 (-0.03%); split: -0.12%, +0.09%
VGPRs: 1792 -> 1680 (-6.25%)
Latency: 133496 -> 133572 (+0.06%); split: -0.03%, +0.09%
InvThroughput: 35383 -> 35338 (-0.13%)
Copies: 4050 -> 4048 (-0.05%)
VALU: 30172 -> 30138 (-0.11%)

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38658>
 2025-11-29 08:27:58 +00:00
Georg Lehmann
d60ce9ceef aco/optimizer: use new helpers to apply packed fsat 
No Foz-DB changes.

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38658>
 2025-11-29 08:27:57 +00:00
Georg Lehmann
e42be7536c aco/optimizer: use new helpers for remaining add opts 
Foz-DB Navi48:
Totals from 373 (0.45% of 82419) affected shaders:
Instrs: 542269 -> 542186 (-0.02%); split: -0.06%, +0.04%
CodeSize: 2872728 -> 2867204 (-0.19%); split: -0.21%, +0.02%
Latency: 3174435 -> 3174634 (+0.01%); split: -0.01%, +0.01%
InvThroughput: 828783 -> 828600 (-0.02%); split: -0.03%, +0.01%
SClause: 11954 -> 11955 (+0.01%)
Copies: 49104 -> 49110 (+0.01%)
PreSGPRs: 15422 -> 15420 (-0.01%)
VALU: 262635 -> 262641 (+0.00%)

Foz-DB Navi21:
Totals from 426 (0.52% of 82387) affected shaders:
Instrs: 624744 -> 624754 (+0.00%); split: -0.00%, +0.00%
CodeSize: 3382728 -> 3385664 (+0.09%); split: -0.00%, +0.09%
Latency: 3841693 -> 3842101 (+0.01%); split: -0.00%, +0.01%
InvThroughput: 1132036 -> 1132065 (+0.00%); split: -0.00%, +0.00%
VClause: 14008 -> 14011 (+0.02%)
Copies: 73104 -> 73114 (+0.01%); split: -0.00%, +0.02%
PreSGPRs: 19504 -> 19502 (-0.01%)
SALU: 131431 -> 131443 (+0.01%)

Foz-DB Polaris10:
Totals from 812 (1.31% of 61894) affected shaders:
Instrs: 610178 -> 609219 (-0.16%); split: -0.21%, +0.05%
CodeSize: 3142404 -> 3147304 (+0.16%); split: -0.02%, +0.17%
VGPRs: 38380 -> 38376 (-0.01%)
Latency: 8312085 -> 8307755 (-0.05%); split: -0.12%, +0.07%
InvThroughput: 3929970 -> 3924631 (-0.14%); split: -0.15%, +0.01%
VClause: 15714 -> 15632 (-0.52%); split: -0.67%, +0.15%
SClause: 14509 -> 14510 (+0.01%); split: -0.02%, +0.03%
Copies: 70197 -> 70388 (+0.27%); split: -0.61%, +0.89%
PreSGPRs: 26409 -> 26404 (-0.02%); split: -0.02%, +0.00%
PreVGPRs: 30448 -> 30436 (-0.04%)
VALU: 408184 -> 407068 (-0.27%); split: -0.29%, +0.01%
SALU: 95726 -> 95959 (+0.24%); split: -0.30%, +0.54%

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38530>
 2025-11-25 11:49:13 +00:00
Georg Lehmann
0359c8a901 aco/optimizer: use new helpers for v_add_u32 opts 
Foz-DB Navi48:
Totals from 1554 (1.89% of 82419) affected shaders:
Instrs: 5154325 -> 5151499 (-0.05%); split: -0.08%, +0.02%
CodeSize: 27310012 -> 27318708 (+0.03%); split: -0.01%, +0.05%
VGPRs: 97236 -> 97200 (-0.04%); split: -0.05%, +0.01%
Latency: 34121873 -> 34120894 (-0.00%); split: -0.02%, +0.01%
InvThroughput: 6735276 -> 6730418 (-0.07%); split: -0.08%, +0.01%
VClause: 130106 -> 130090 (-0.01%); split: -0.05%, +0.04%
SClause: 90439 -> 90449 (+0.01%); split: -0.00%, +0.01%
Copies: 382920 -> 382401 (-0.14%); split: -0.18%, +0.05%
Branches: 130089 -> 130091 (+0.00%)
PreSGPRs: 67745 -> 67743 (-0.00%); split: -0.01%, +0.00%
PreVGPRs: 72710 -> 72674 (-0.05%)
VALU: 2941866 -> 2938129 (-0.13%); split: -0.13%, +0.00%
SALU: 651032 -> 651779 (+0.11%); split: -0.02%, +0.14%
VOPD: 2446 -> 2393 (-2.17%); split: +0.70%, -2.86%

Foz-DB Navi21:
Totals from 1534 (1.86% of 82387) affected shaders:
MaxWaves: 32481 -> 32479 (-0.01%)
Instrs: 4732755 -> 4730039 (-0.06%); split: -0.06%, +0.00%
CodeSize: 25305728 -> 25313148 (+0.03%); split: -0.00%, +0.03%
VGPRs: 84424 -> 84448 (+0.03%)
SpillVGPRs: 2420 -> 2419 (-0.04%)
Scratch: 180224 -> 179200 (-0.57%)
Latency: 36843383 -> 36846269 (+0.01%); split: -0.01%, +0.02%
InvThroughput: 9252495 -> 9238142 (-0.16%); split: -0.17%, +0.02%
VClause: 146629 -> 146671 (+0.03%); split: -0.02%, +0.05%
SClause: 94502 -> 94512 (+0.01%); split: -0.00%, +0.01%
Copies: 403672 -> 403592 (-0.02%); split: -0.09%, +0.07%
Branches: 141145 -> 141137 (-0.01%)
PreSGPRs: 70003 -> 70001 (-0.00%); split: -0.01%, +0.00%
PreVGPRs: 70835 -> 70800 (-0.05%)
VALU: 3114513 -> 3111338 (-0.10%); split: -0.10%, +0.00%
SALU: 651177 -> 651925 (+0.11%); split: -0.02%, +0.13%
VMEM: 271263 -> 271261 (-0.00%)

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38530>
 2025-11-25 11:49:09 +00:00
Samuel Pitoiset
3889695e9f aco/tests: switch to drm-shim 
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38536>
 2025-11-20 09:53:29 +00:00
Georg Lehmann
4da74eed96 aco/tests: test packed fma opts 
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38150>
 2025-11-19 10:51:43 +00:00
Georg Lehmann
e8f5b9374b aco/optimizer: use new helpers to optimize mul(b2f(a), b) 
Foz-DB Navi48:
Totals from 979 (1.19% of 82419) affected shaders:
Instrs: 3630560 -> 3629463 (-0.03%); split: -0.03%, +0.00%
CodeSize: 19154176 -> 19147124 (-0.04%); split: -0.04%, +0.00%
Latency: 17700546 -> 17699505 (-0.01%); split: -0.01%, +0.01%
InvThroughput: 3143808 -> 3143254 (-0.02%); split: -0.02%, +0.01%
SClause: 76410 -> 76405 (-0.01%); split: -0.01%, +0.00%
Copies: 256544 -> 256554 (+0.00%); split: -0.02%, +0.02%
PreVGPRs: 40868 -> 40835 (-0.08%)
VALU: 2003291 -> 2002466 (-0.04%); split: -0.04%, +0.00%
SALU: 514000 -> 514006 (+0.00%)
VOPD: 3254 -> 3256 (+0.06%); split: +0.12%, -0.06%

Foz-DB Navi21:
Totals from 926 (1.12% of 82387) affected shaders:
MaxWaves: 21538 -> 21542 (+0.02%)
Instrs: 2984216 -> 2983187 (-0.03%); split: -0.04%, +0.00%
CodeSize: 16104112 -> 16097272 (-0.04%); split: -0.05%, +0.00%
VGPRs: 46864 -> 46848 (-0.03%)
Latency: 15678064 -> 15677099 (-0.01%); split: -0.01%, +0.00%
InvThroughput: 3779550 -> 3778230 (-0.03%); split: -0.04%, +0.01%
VClause: 81590 -> 81598 (+0.01%)
SClause: 70753 -> 70751 (-0.00%); split: -0.01%, +0.00%
Copies: 240446 -> 240466 (+0.01%); split: -0.01%, +0.02%
PreSGPRs: 51121 -> 51062 (-0.12%)
PreVGPRs: 38538 -> 38505 (-0.09%)
VALU: 1978847 -> 1977777 (-0.05%); split: -0.06%, +0.00%
SALU: 439184 -> 439212 (+0.01%)

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38150>
 2025-11-19 10:51:42 +00:00
Georg Lehmann
6fc250fc06 aco/optimizer: use new helpers for min3/max3/minmax/maxmin 
Foz-DB Navi48:
Totals from 10453 (12.68% of 82419) affected shaders:
Instrs: 18676282 -> 18675798 (-0.00%); split: -0.00%, +0.00%
CodeSize: 100603268 -> 100603508 (+0.00%); split: -0.00%, +0.00%
Latency: 157036823 -> 157031708 (-0.00%); split: -0.00%, +0.00%
InvThroughput: 28049331 -> 28048776 (-0.00%); split: -0.00%, +0.00%
Copies: 1452464 -> 1452503 (+0.00%); split: -0.00%, +0.00%
PreVGPRs: 458422 -> 458413 (-0.00%); split: -0.00%, +0.00%
VALU: 10429583 -> 10429353 (-0.00%); split: -0.00%, +0.00%
SALU: 2628403 -> 2628416 (+0.00%); split: -0.00%, +0.00%
VOPD: 21738 -> 21744 (+0.03%); split: +0.04%, -0.01%

Foz-DB Navi21:
Totals from 889 (1.08% of 82387) affected shaders:
MaxWaves: 15641 -> 15639 (-0.01%); split: +0.01%, -0.03%
Instrs: 2505527 -> 2505489 (-0.00%); split: -0.01%, +0.01%
CodeSize: 13975300 -> 13976516 (+0.01%); split: -0.00%, +0.01%
VGPRs: 65584 -> 65576 (-0.01%); split: -0.02%, +0.01%
Latency: 37135606 -> 37132577 (-0.01%); split: -0.01%, +0.00%
InvThroughput: 10937032 -> 10935704 (-0.01%); split: -0.01%, +0.00%
VClause: 63136 -> 63140 (+0.01%); split: -0.01%, +0.01%
Copies: 256011 -> 256073 (+0.02%); split: -0.01%, +0.03%
PreSGPRs: 51804 -> 51809 (+0.01%)
PreVGPRs: 57905 -> 57890 (-0.03%); split: -0.03%, +0.00%
VALU: 1593523 -> 1593339 (-0.01%); split: -0.02%, +0.00%
SALU: 425116 -> 425134 (+0.00%); split: -0.00%, +0.01%

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38150>
 2025-11-19 10:51:42 +00:00
Georg Lehmann
5abc961514 aco/optimizer: use new helpers to create fma 
Foz-DB Navi48:
Totals from 25949 (31.48% of 82419) affected shaders:
Instrs: 30904250 -> 30904153 (-0.00%); split: -0.00%, +0.00%
CodeSize: 164623100 -> 164604652 (-0.01%); split: -0.01%, +0.00%
Latency: 209402611 -> 209402684 (+0.00%); split: -0.00%, +0.00%
InvThroughput: 36622293 -> 36622236 (-0.00%); split: -0.00%, +0.00%
Copies: 2252080 -> 2251998 (-0.00%); split: -0.00%, +0.00%
VALU: 16831507 -> 16831382 (-0.00%); split: -0.00%, +0.00%
VOPD: 28252 -> 28295 (+0.15%)

Foz-DB Navi21:
Totals from 56269 (68.30% of 82387) affected shaders:
Instrs: 43751754 -> 43746463 (-0.01%); split: -0.01%, +0.00%
CodeSize: 233615096 -> 233576912 (-0.02%); split: -0.02%, +0.00%
VGPRs: 2445528 -> 2445520 (-0.00%)
Latency: 276776920 -> 276761183 (-0.01%); split: -0.01%, +0.00%
InvThroughput: 66406450 -> 66402214 (-0.01%); split: -0.01%, +0.00%
VClause: 902951 -> 902947 (-0.00%)
Copies: 3926260 -> 3926289 (+0.00%); split: -0.01%, +0.01%
VALU: 26924056 -> 26918783 (-0.02%); split: -0.02%, +0.00%
SALU: 6938335 -> 6938321 (-0.00%); split: -0.00%, +0.00%

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38150>
 2025-11-19 10:51:42 +00:00
Natalie Vock
1243d575a5 aco/insert_nops: Consider s_setpc target susceptible to VALUReadSGPRHazard 
Some GPU hangs witnessed in the wild on RDNA4 in Control and Arc Raiders
seem to point towards closest-hit shaders reading a stale value for the
SGPR pair containing the currently-executing shader's address.

This SGPR pair was read by VALU in the preceding traversal shader,
making it susceptible to VALUReadSGPRHazard. Inserting
VALUReadSGPRHazard mitigations before accessing the s_setpc target seems
to fix the hang. We don't have conclusive proof that this is hazardous,
but given that all signs point towards it and we have a reasonably
simple workaround, let's roll with this for now to mitigate the hangs.

Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38290>
 2025-11-18 18:43:00 +00:00
Georg Lehmann
22dc06798b aco/optimizer: never unfuse fma
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This shouldn't change anything in practice, and reducing precision
if precise isn't set is weird.

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38183>
 2025-11-04 07:54:02 +00:00
Georg Lehmann
a17afd5edd aco/tests: add some simple fp64 modifier tests 
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38011>
 2025-10-29 17:57:53 +00:00
Georg Lehmann
2572528d31 aco/optimizer: remove can_apply_extract 
Foz-DB NAvi21:
Totals from 10 (0.01% of 79789) affected shaders:
Latency: 426254 -> 426256 (+0.00%); split: -0.00%, +0.00%
InvThroughput: 81782 -> 81784 (+0.00%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35272>
 2025-10-14 08:33:42 +00:00
Georg Lehmann
26da5cf8d9 aco/optimizer: apply sgprs/extract with new helpers 
Foz-DB Navi21:
Totals from 387 (0.49% of 79789) affected shaders:
MaxWaves: 7332 -> 7324 (-0.11%)
Instrs: 3156365 -> 3155691 (-0.02%); split: -0.02%, +0.00%
CodeSize: 17013948 -> 17014456 (+0.00%); split: -0.01%, +0.01%
VGPRs: 24768 -> 24776 (+0.03%)
Latency: 28569179 -> 28568183 (-0.00%); split: -0.00%, +0.00%
InvThroughput: 6530832 -> 6530566 (-0.00%); split: -0.00%, +0.00%
VClause: 90988 -> 90989 (+0.00%); split: -0.00%, +0.00%
Copies: 269074 -> 269060 (-0.01%); split: -0.01%, +0.01%
PreSGPRs: 22503 -> 22499 (-0.02%)
PreVGPRs: 22928 -> 22935 (+0.03%)
VALU: 2100245 -> 2099560 (-0.03%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35272>
 2025-10-14 08:33:41 +00:00
Georg Lehmann
859505d95a aco/optimizer: use new helpers to apply literals 
Foz-DB Navi21:
Totals from 21009 (26.33% of 79789) affected shaders:
MaxWaves: 495342 -> 495414 (+0.01%)
Instrs: 22345587 -> 22335371 (-0.05%); split: -0.05%, +0.00%
CodeSize: 122095820 -> 121795112 (-0.25%); split: -0.25%, +0.00%
VGPRs: 1025800 -> 1025480 (-0.03%)
Latency: 202876235 -> 203076272 (+0.10%); split: -0.04%, +0.14%
InvThroughput: 47599930 -> 47596113 (-0.01%); split: -0.03%, +0.02%
VClause: 475271 -> 475439 (+0.04%); split: -0.02%, +0.05%
SClause: 700679 -> 700629 (-0.01%); split: -0.01%, +0.01%
Copies: 1628498 -> 1618165 (-0.63%); split: -0.64%, +0.01%
Branches: 567199 -> 567216 (+0.00%); split: -0.00%, +0.00%
PreSGPRs: 952134 -> 952043 (-0.01%); split: -0.01%, +0.00%
PreVGPRs: 846614 -> 846272 (-0.04%)
VALU: 15572374 -> 15564050 (-0.05%); split: -0.05%, +0.00%
SALU: 2423329 -> 2421319 (-0.08%); split: -0.08%, +0.00%

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>

Foz-DB Navi31:
Totals from 13049 (16.44% of 79395) affected shaders:

MaxWaves: 357242 -> 357268 (+0.01%)
Instrs: 19955572 -> 19944106 (-0.06%); split: -0.06%, +0.00%
CodeSize: 105689464 -> 105454348 (-0.22%); split: -0.23%, +0.00%
VGPRs: 765744 -> 764952 (-0.10%); split: -0.11%, +0.00%
Latency: 179063640 -> 179141591 (+0.04%); split: -0.02%, +0.07%
InvThroughput: 27978134 -> 27971318 (-0.02%); split: -0.03%, +0.01%
VClause: 386791 -> 386826 (+0.01%); split: -0.02%, +0.03%
SClause: 598113 -> 598106 (-0.00%); split: -0.01%, +0.01%
Copies: 1393111 -> 1383102 (-0.72%); split: -0.73%, +0.01%
Branches: 498533 -> 498535 (+0.00%); split: -0.00%, +0.00%
PreSGPRs: 573310 -> 573236 (-0.01%); split: -0.01%, +0.00%
PreVGPRs: 591459 -> 591043 (-0.07%)
VALU: 11623734 -> 11615755 (-0.07%); split: -0.07%, +0.00%
SALU: 1962055 -> 1960005 (-0.10%); split: -0.11%, +0.00%
VOPD: 3544 -> 3566 (+0.62%); split: +0.73%, -0.11%
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35272>
 2025-10-14 08:33:39 +00:00
Georg Lehmann
0d8219f367 aco/tests: allow even more literals 
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35272>
 2025-10-14 08:33:37 +00:00
Rhys Perry
dfa8ac6b91 aco: remove buffer_load_lds instructions
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They don't exist

See https://github.com/llvm/llvm-project/pull/132916

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/14041
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37716>
 2025-10-07 09:50:26 +00:00
Georg Lehmann
26e041e821 aco: remove existing dealloc_vgprs use 
We didn't consider that s_sendmsg dealloc_vgpr waits for all counters
expect vscnt.

Foz-DB Navi31:
Totals from 74090 (92.52% of 80084) affected shaders:
Instrs: 36031071 -> 35853573 (-0.49%)
CodeSize: 189233756 -> 188523764 (-0.38%)
Latency: 222378318 -> 222374890 (-0.00%)
InvThroughput: 33366893 -> 33362457 (-0.01%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37508>
 2025-09-26 07:51:02 +00:00
Rhys Perry
e2181744c2 aco/tests: add barrier-to-waitcnt tests
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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36491>
 2025-09-09 12:34:40 +00:00
Rhys Perry
20cd5cf5f7 aco: delay barrier waitcnt until they are needed 
fossil-db (navi21):
Totals from 44 (0.06% of 79825) affected shaders:
Instrs: 16001 -> 15932 (-0.43%); split: -0.46%, +0.02%
CodeSize: 85800 -> 85548 (-0.29%); split: -0.30%, +0.01%
Latency: 190124 -> 173458 (-8.77%)
InvThroughput: 23605 -> 22756 (-3.60%)

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36491>
 2025-09-09 12:34:40 +00:00
Georg Lehmann
8903bb4618 aco/optimizer: don't apply packed clamp to v_fma_mix 
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/13758
Fixes: 345bf8a2f2 ("aco/optimizer: remove label_vop3p")
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36963>
 2025-08-25 16:47:38 +00:00
Konstantin Seurer
951b187b95 nir: Use nir_def_block in more places
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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36746>
 2025-08-24 14:03:10 +00:00
Georg Lehmann
883b1ca364 aco: disable wqm for tex loads when not needed 
By only executing VMEM loads for lanes where the result is used, we can save
bandwidth.

The NIR pass only handles tex for now, but those are most common anyway.
We can extend it handle image/ssbo/ubo/global loads in the future.

Foz-DB GFX1201:
Totals from 32633 (40.66% of 80251) affected shaders:
Instrs: 22635910 -> 23193509 (+2.46%); split: -0.00%, +2.46%
CodeSize: 122880044 -> 125093428 (+1.80%); split: -0.00%, +1.81%
VGPRs: 1481868 -> 1481712 (-0.01%)
SpillSGPRs: 3877 -> 4301 (+10.94%); split: -0.52%, +11.45%
Latency: 171480552 -> 171685219 (+0.12%); split: -0.18%, +0.30%
InvThroughput: 24364743 -> 24373441 (+0.04%); split: -0.08%, +0.12%
VClause: 388318 -> 388557 (+0.06%); split: -0.06%, +0.13%
SClause: 774781 -> 776492 (+0.22%); split: -0.29%, +0.51%
Copies: 1416586 -> 1541199 (+8.80%); split: -0.16%, +8.96%
Branches: 419591 -> 419673 (+0.02%); split: -0.02%, +0.04%
PreSGPRs: 1330303 -> 1416540 (+6.48%)
PreVGPRs: 964864 -> 964863 (-0.00%)
VALU: 12919601 -> 12920254 (+0.01%); split: -0.01%, +0.01%
SALU: 2685402 -> 3224147 (+20.06%); split: -0.00%, +20.07%

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35970>
 2025-08-15 07:03:46 +00:00
Georg Lehmann
a4c537c5b3 aco: use new disable_wqm for mubuf/mtbuf 
Foz-DB GFX1201:
Totals from 66 (0.08% of 80251) affected shaders:
Instrs: 45373 -> 45663 (+0.64%); split: -0.01%, +0.65%
CodeSize: 251708 -> 252900 (+0.47%); split: -0.00%, +0.48%
Latency: 278977 -> 278652 (-0.12%); split: -0.14%, +0.02%
InvThroughput: 38259 -> 38245 (-0.04%); split: -0.05%, +0.02%
VClause: 982 -> 962 (-2.04%)
Copies: 2882 -> 2808 (-2.57%)
PreSGPRs: 2564 -> 2599 (+1.37%)
SALU: 4748 -> 5010 (+5.52%)

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35970>
 2025-08-15 07:03:46 +00:00
Qiang Yu
196569b1a4 all: rename gl_shader_stage to mesa_shader_stage 
It's not only for GL, change to a generic name.

Use command:
  find . -type f -not -path '*/.git/*' -exec sed -i 's/\bgl_shader_stage\b/mesa_shader_stage/g' {} +

Acked-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Acked-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Acked-by: Yonggang Luo <luoyonggang@gmail.com>
Acked-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36569>
 2025-08-06 10:28:40 +08:00
Daniel Schürmann
caa2c22d8b aco/tests: Fix p_startpgm definitions to registers 
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36345>
 2025-08-01 17:15:54 +00:00
Georg Lehmann
404e1f13e8 aco/print_asm: use real true16 instr on gfx11+ 
Fake16 doesn't print opsel on v_cndmask_b16, so it looks really broken.
Restrict to LLVM20+ because older versions have incomplete tru16 support.

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35919>
 2025-07-31 12:07:07 +00:00
Natalie Vock
c515f1fd58 aco: Use vector-aligned operands for image_bvh8_intersect_ray 
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35269>
 2025-07-15 21:34:38 +00:00
Rhys Perry
0094e6c32a aco: optimize lds-only or vmem-only flat access 
fossil-db (polaris10):
Totals from 138 (0.22% of 62070) affected shaders:
Instrs: 233452 -> 234436 (+0.42%)
CodeSize: 1209392 -> 1213220 (+0.32%)
Latency: 3934496 -> 3928089 (-0.16%); split: -0.17%, +0.00%
InvThroughput: 3040782 -> 3038562 (-0.07%); split: -0.07%, +0.00%

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/35465>
 2025-07-11 12:15:08 +00:00
Rhys Perry
d705b6198c aco: simplify waitcnt insertion for flat access 
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/35465>
 2025-07-11 12:15:08 +00:00
Rhys Perry
34f1a8f707 aco: handle FPAtomicToDenormModeHazard
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This is quite unlikely to happen, but I guess it might be possible and
it's relatively simple to work around.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35884>
 2025-07-07 13:02:43 +00:00
Rhys Perry
2cfd2d3b1d aco/tests: add lower_branches tests 
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/35202>
 2025-06-19 10:58:39 +00:00