| Commit message (Collapse) | Author | Age | Files | Lines |
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Reviewed-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>
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Reviewed-by: Lionel Landwerlin <[email protected]>
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The SPIR-V extension wants us to be able to do an AllEqual on any vector
or scalar type. This has two implications:
1) We need to be able to handle vectors so we switch the vote_eq
intrinsics to be vectorized intrinsics.
2) We need to handle floats which have different behavior with respect
to +-0, NaN, etc. than the integer variant so we need two variants.
Reviewed-by: Lionel Landwerlin <[email protected]>
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Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>
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Someone can make the lowering optional later if they want something
different for their hardware.
Reviewed-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>
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This will be required for SPIR-V subgroup support
Reviewed-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>
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Reviewed-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>
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Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
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This reverts commit 2d36efdb7f18f061c519dbb93f6058bf161aad33.
This raised limit turns out to harmful for more complex shaders,
it causes excessive spilling in some Bioshock Infinite shaders.
The fps for the ssao demo on radv remains unchanged when reverting
this.
Reviewed-by: Dave Airlie <[email protected]>
Reviewed-by: Samuel Pitoiset <[email protected]>
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All Gen7+ platforms had similar results. (Skylake shown)
total instructions in shared programs: 14514555 -> 14514547 (<.01%)
instructions in affected programs: 1972 -> 1964 (-0.41%)
helped: 8
HURT: 0
helped stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
helped stats (rel) min: 0.39% max: 0.42% x̄: 0.41% x̃: 0.41%
95% mean confidence interval for instructions value: -1.00 -1.00
95% mean confidence interval for instructions %-change: -0.41% -0.40%
Instructions are helped.
total cycles in shared programs: 533141444 -> 533136780 (<.01%)
cycles in affected programs: 164728 -> 160064 (-2.83%)
helped: 181
HURT: 3
helped stats (abs) min: 2 max: 94 x̄: 26.17 x̃: 30
helped stats (rel) min: 0.12% max: 5.33% x̄: 3.42% x̃: 3.80%
HURT stats (abs) min: 4 max: 54 x̄: 24.00 x̃: 14
HURT stats (rel) min: 0.20% max: 2.39% x̄: 1.09% x̃: 0.68%
95% mean confidence interval for cycles value: -27.12 -23.58
95% mean confidence interval for cycles %-change: -3.54% -3.16%
Cycles are helped.
Sandy Bridge
total instructions in shared programs: 10533667 -> 10533539 (<.01%)
instructions in affected programs: 10148 -> 10020 (-1.26%)
helped: 124
HURT: 0
helped stats (abs) min: 1 max: 2 x̄: 1.03 x̃: 1
helped stats (rel) min: 0.39% max: 4.35% x̄: 2.20% x̃: 2.04%
95% mean confidence interval for instructions value: -1.06 -1.00
95% mean confidence interval for instructions %-change: -2.46% -1.95%
Instructions are helped.
total cycles in shared programs: 146136887 -> 146132122 (<.01%)
cycles in affected programs: 206382 -> 201617 (-2.31%)
helped: 171
HURT: 0
helped stats (abs) min: 2 max: 40 x̄: 27.87 x̃: 30
helped stats (rel) min: 0.08% max: 5.73% x̄: 2.98% x̃: 2.67%
95% mean confidence interval for cycles value: -29.19 -26.54
95% mean confidence interval for cycles %-change: -3.20% -2.76%
Cycles are helped.
Iron Lake
total instructions in shared programs: 7886515 -> 7886507 (<.01%)
instructions in affected programs: 3016 -> 3008 (-0.27%)
helped: 8
HURT: 0
helped stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
helped stats (rel) min: 0.25% max: 0.28% x̄: 0.27% x̃: 0.27%
95% mean confidence interval for instructions value: -1.00 -1.00
95% mean confidence interval for instructions %-change: -0.27% -0.26%
Instructions are helped.
total cycles in shared programs: 178100396 -> 178100388 (<.01%)
cycles in affected programs: 156128 -> 156120 (<.01%)
helped: 4
HURT: 4
helped stats (abs) min: 4 max: 4 x̄: 4.00 x̃: 4
helped stats (rel) min: 0.02% max: 0.04% x̄: 0.03% x̃: 0.03%
HURT stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2
HURT stats (rel) min: <.01% max: 0.01% x̄: <.01% x̃: <.01%
95% mean confidence interval for cycles value: -3.68 1.68
95% mean confidence interval for cycles %-change: -0.03% <.01%
Inconclusive result (value mean confidence interval includes 0).
GM45
total instructions in shared programs: 4857872 -> 4857868 (<.01%)
instructions in affected programs: 1544 -> 1540 (-0.26%)
helped: 4
HURT: 0
helped stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
helped stats (rel) min: 0.25% max: 0.27% x̄: 0.26% x̃: 0.26%
95% mean confidence interval for instructions value: -1.00 -1.00
95% mean confidence interval for instructions %-change: -0.28% -0.24%
Instructions are helped.
total cycles in shared programs: 122167654 -> 122167662 (<.01%)
cycles in affected programs: 96248 -> 96256 (<.01%)
helped: 0
HURT: 4
HURT stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2
HURT stats (rel) min: <.01% max: 0.01% x̄: <.01% x̃: <.01%
95% mean confidence interval for cycles value: 2.00 2.00
95% mean confidence interval for cycles %-change: <.01% 0.02%
Cycles are HURT.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
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The replacement of the comparison operators must happen during this
step. If it does not, the next pass of nir_opt_algebraic will reapply
De Morgan's Law in the "opposite direction" before performing dead code
elimination. The resulting infinite loop will eventually get OOM
killed.
Haswell, Broadwell, and Skylake had similar results. (Broadwell shown)
total instructions in shared programs: 14808185 -> 14808036 (<.01%)
instructions in affected programs: 13758 -> 13609 (-1.08%)
helped: 39
HURT: 0
helped stats (abs) min: 1 max: 10 x̄: 3.82 x̃: 3
helped stats (rel) min: 0.44% max: 1.55% x̄: 0.98% x̃: 1.01%
95% mean confidence interval for instructions value: -4.67 -2.97
95% mean confidence interval for instructions %-change: -1.09% -0.88%
Instructions are helped.
total cycles in shared programs: 559438333 -> 559435832 (<.01%)
cycles in affected programs: 199160 -> 196659 (-1.26%)
helped: 42
HURT: 3
helped stats (abs) min: 2 max: 184 x̄: 61.50 x̃: 51
helped stats (rel) min: 0.02% max: 6.94% x̄: 1.41% x̃: 1.40%
HURT stats (abs) min: 2 max: 40 x̄: 27.33 x̃: 40
HURT stats (rel) min: 0.05% max: 0.74% x̄: 0.51% x̃: 0.74%
95% mean confidence interval for cycles value: -71.47 -39.69
95% mean confidence interval for cycles %-change: -1.64% -0.93%
Cycles are helped.
Sandy Bridge and Ivy Bridge had similar results. (Ivy Bridge shown)
total instructions in shared programs: 11811776 -> 11811553 (<.01%)
instructions in affected programs: 15201 -> 14978 (-1.47%)
helped: 39
HURT: 0
helped stats (abs) min: 1 max: 20 x̄: 5.72 x̃: 6
helped stats (rel) min: 0.44% max: 2.53% x̄: 1.30% x̃: 1.26%
95% mean confidence interval for instructions value: -7.21 -4.23
95% mean confidence interval for instructions %-change: -1.48% -1.12%
Instructions are helped.
total cycles in shared programs: 257617270 -> 257614589 (<.01%)
cycles in affected programs: 212107 -> 209426 (-1.26%)
helped: 45
HURT: 0
helped stats (abs) min: 2 max: 180 x̄: 59.58 x̃: 54
helped stats (rel) min: 0.02% max: 6.02% x̄: 1.30% x̃: 1.32%
95% mean confidence interval for cycles value: -74.02 -45.14
95% mean confidence interval for cycles %-change: -1.59% -1.01%
Cycles are helped.
Iron Lake
total instructions in shared programs: 7886648 -> 7886515 (<.01%)
instructions in affected programs: 14106 -> 13973 (-0.94%)
helped: 29
HURT: 0
helped stats (abs) min: 1 max: 10 x̄: 4.59 x̃: 4
helped stats (rel) min: 0.35% max: 1.83% x̄: 0.90% x̃: 0.81%
95% mean confidence interval for instructions value: -5.65 -3.52
95% mean confidence interval for instructions %-change: -1.03% -0.76%
Instructions are helped.
total cycles in shared programs: 178100812 -> 178100396 (<.01%)
cycles in affected programs: 67970 -> 67554 (-0.61%)
helped: 29
HURT: 0
helped stats (abs) min: 2 max: 40 x̄: 14.34 x̃: 12
helped stats (rel) min: 0.15% max: 1.69% x̄: 0.58% x̃: 0.54%
95% mean confidence interval for cycles value: -18.30 -10.39
95% mean confidence interval for cycles %-change: -0.71% -0.45%
Cycles are helped.
GM45
total instructions in shared programs: 4857939 -> 4857872 (<.01%)
instructions in affected programs: 7426 -> 7359 (-0.90%)
helped: 15
HURT: 0
helped stats (abs) min: 1 max: 10 x̄: 4.47 x̃: 4
helped stats (rel) min: 0.33% max: 1.80% x̄: 0.87% x̃: 0.77%
95% mean confidence interval for instructions value: -6.06 -2.87
95% mean confidence interval for instructions %-change: -1.06% -0.67%
Instructions are helped.
total cycles in shared programs: 122167930 -> 122167654 (<.01%)
cycles in affected programs: 43118 -> 42842 (-0.64%)
helped: 15
HURT: 0
helped stats (abs) min: 4 max: 40 x̄: 18.40 x̃: 16
helped stats (rel) min: 0.15% max: 1.69% x̄: 0.62% x̃: 0.54%
95% mean confidence interval for cycles value: -25.03 -11.77
95% mean confidence interval for cycles %-change: -0.82% -0.41%
Cycles are helped.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
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All of the affected shaders are HDR mappers from Serious Sam 3.
All Gen7+ platforms had similar results. (Skylake shown)
total instructions in shared programs: 14516285 -> 14516273 (<.01%)
instructions in affected programs: 348 -> 336 (-3.45%)
helped: 12
HURT: 0
helped stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
helped stats (rel) min: 2.08% max: 6.67% x̄: 4.31% x̃: 4.17%
95% mean confidence interval for instructions value: -1.00 -1.00
95% mean confidence interval for instructions %-change: -5.55% -3.06%
Instructions are helped.
total cycles in shared programs: 533163876 -> 533163808 (<.01%)
cycles in affected programs: 1144 -> 1076 (-5.94%)
helped: 4
HURT: 0
helped stats (abs) min: 16 max: 18 x̄: 17.00 x̃: 17
helped stats (rel) min: 5.80% max: 6.08% x̄: 5.94% x̃: 5.94%
95% mean confidence interval for cycles value: -18.84 -15.16
95% mean confidence interval for cycles %-change: -6.20% -5.68%
Cycles are helped.
Sandy Bridge
total instructions in shared programs: 10533321 -> 10533309 (<.01%)
instructions in affected programs: 372 -> 360 (-3.23%)
helped: 12
HURT: 0
helped stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
helped stats (rel) min: 2.00% max: 5.88% x̄: 3.91% x̃: 3.85%
95% mean confidence interval for instructions value: -1.00 -1.00
95% mean confidence interval for instructions %-change: -4.96% -2.86%
Instructions are helped.
total cycles in shared programs: 146136632 -> 146136428 (<.01%)
cycles in affected programs: 11668 -> 11464 (-1.75%)
helped: 12
HURT: 0
helped stats (abs) min: 16 max: 18 x̄: 17.00 x̃: 17
helped stats (rel) min: 0.99% max: 3.44% x̄: 2.20% x̃: 2.29%
95% mean confidence interval for cycles value: -17.66 -16.34
95% mean confidence interval for cycles %-change: -2.82% -1.58%
Cycles are helped.
Iron Lake
total instructions in shared programs: 7886301 -> 7886277 (<.01%)
instructions in affected programs: 576 -> 552 (-4.17%)
helped: 12
HURT: 0
helped stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2
helped stats (rel) min: 2.94% max: 6.06% x̄: 4.51% x̃: 4.65%
95% mean confidence interval for instructions value: -2.00 -2.00
95% mean confidence interval for instructions %-change: -5.30% -3.72%
Instructions are helped.
total cycles in shared programs: 178113176 -> 178113176 (0.00%)
cycles in affected programs: 2116 -> 2116 (0.00%)
helped: 2
HURT: 4
helped stats (abs) min: 4 max: 4 x̄: 4.00 x̃: 4
helped stats (rel) min: 1.14% max: 1.14% x̄: 1.14% x̃: 1.14%
HURT stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2
HURT stats (rel) min: 0.50% max: 0.65% x̄: 0.58% x̃: 0.58%
95% mean confidence interval for cycles value: -3.25 3.25
95% mean confidence interval for cycles %-change: -0.93% 0.94%
Inconclusive result (value mean confidence interval includes 0).
GM45
total instructions in shared programs: 4857756 -> 4857744 (<.01%)
instructions in affected programs: 294 -> 282 (-4.08%)
helped: 6
HURT: 0
helped stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2
helped stats (rel) min: 2.94% max: 5.71% x̄: 4.40% x̃: 4.55%
95% mean confidence interval for instructions value: -2.00 -2.00
95% mean confidence interval for instructions %-change: -5.71% -3.09%
Instructions are helped.
total cycles in shared programs: 122178730 -> 122178722 (<.01%)
cycles in affected programs: 700 -> 692 (-1.14%)
helped: 2
HURT: 0
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
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All platforms had similar results. (Skylake shown)
total instructions in shared programs: 14516592 -> 14516586 (<.01%)
instructions in affected programs: 500 -> 494 (-1.20%)
helped: 2
HURT: 0
total cycles in shared programs: 533167044 -> 533166998 (<.01%)
cycles in affected programs: 6988 -> 6942 (-0.66%)
helped: 2
HURT: 0
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
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I noticed the fge version while looking at a shader for an unrelated
reason. The feq version prevents a regression in a later change that
performs strength reduction of some compares.
Broadwell and Skylake had similar results. (Skylake shown)
total instructions in shared programs: 14514808 -> 14514796 (<.01%)
instructions in affected programs: 750 -> 738 (-1.60%)
helped: 4
HURT: 0
helped stats (abs) min: 1 max: 5 x̄: 3.00 x̃: 3
helped stats (rel) min: 0.83% max: 1.96% x̄: 1.40% x̃: 1.40%
95% mean confidence interval for instructions value: -6.67 0.67
95% mean confidence interval for instructions %-change: -2.43% -0.36%
Inconclusive result (value mean confidence interval includes 0).
total cycles in shared programs: 533144939 -> 533144853 (<.01%)
cycles in affected programs: 8911 -> 8825 (-0.97%)
helped: 4
HURT: 0
helped stats (abs) min: 16 max: 32 x̄: 21.50 x̃: 19
helped stats (rel) min: 0.60% max: 1.89% x̄: 1.28% x̃: 1.31%
95% mean confidence interval for cycles value: -32.94 -10.06
95% mean confidence interval for cycles %-change: -2.30% -0.26%
Cycles are helped.
Haswell
total instructions in shared programs: 13093785 -> 13093775 (<.01%)
instructions in affected programs: 924 -> 914 (-1.08%)
helped: 4
HURT: 2
helped stats (abs) min: 1 max: 5 x̄: 3.00 x̃: 3
helped stats (rel) min: 0.82% max: 1.95% x̄: 1.39% x̃: 1.39%
HURT stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel) min: 1.19% max: 1.19% x̄: 1.19% x̃: 1.19%
95% mean confidence interval for instructions value: -4.53 1.20
95% mean confidence interval for instructions %-change: -2.02% 0.97%
Inconclusive result (value mean confidence interval includes 0).
total cycles in shared programs: 409580553 -> 409580118 (<.01%)
cycles in affected programs: 10909 -> 10474 (-3.99%)
helped: 5
HURT: 1
helped stats (abs) min: 6 max: 222 x̄: 89.60 x̃: 18
helped stats (rel) min: 0.16% max: 24.72% x̄: 9.54% x̃: 1.78%
HURT stats (abs) min: 13 max: 13 x̄: 13.00 x̃: 13
HURT stats (rel) min: 0.39% max: 0.39% x̄: 0.39% x̃: 0.39%
95% mean confidence interval for cycles value: -180.68 35.68
95% mean confidence interval for cycles %-change: -19.55% 3.79%
Inconclusive result (value mean confidence interval includes 0).
Ivy Bridge
total instructions in shared programs: 11811851 -> 11811840 (<.01%)
instructions in affected programs: 1032 -> 1021 (-1.07%)
helped: 5
HURT: 1
helped stats (abs) min: 1 max: 5 x̄: 2.40 x̃: 1
helped stats (rel) min: 0.63% max: 1.95% x̄: 1.13% x̃: 0.97%
HURT stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel) min: 1.19% max: 1.19% x̄: 1.19% x̃: 1.19%
95% mean confidence interval for instructions value: -4.17 0.51
95% mean confidence interval for instructions %-change: -1.86% 0.36%
Inconclusive result (value mean confidence interval includes 0).
total cycles in shared programs: 257618403 -> 257618168 (<.01%)
cycles in affected programs: 10784 -> 10549 (-2.18%)
helped: 4
HURT: 2
helped stats (abs) min: 4 max: 220 x̄: 64.50 x̃: 17
helped stats (rel) min: 0.50% max: 24.34% x̄: 7.07% x̃: 1.72%
HURT stats (abs) min: 9 max: 14 x̄: 11.50 x̃: 11
HURT stats (rel) min: 0.24% max: 0.42% x̄: 0.33% x̃: 0.33%
95% mean confidence interval for cycles value: -133.11 54.78
95% mean confidence interval for cycles %-change: -14.79% 5.59%
Inconclusive result (value mean confidence interval includes 0).
GM45, Iron Lake, and Sandy Bridge had similar results. (Sandy Bridge shown)
total instructions in shared programs: 10533871 -> 10533859 (<.01%)
instructions in affected programs: 865 -> 853 (-1.39%)
helped: 4
HURT: 0
helped stats (abs) min: 1 max: 5 x̄: 3.00 x̃: 3
helped stats (rel) min: 0.63% max: 1.83% x̄: 1.22% x̃: 1.21%
95% mean confidence interval for instructions value: -6.67 0.67
95% mean confidence interval for instructions %-change: -2.16% -0.29%
Inconclusive result (value mean confidence interval includes 0).
total cycles in shared programs: 146139904 -> 146139852 (<.01%)
cycles in affected programs: 15213 -> 15161 (-0.34%)
helped: 4
HURT: 0
helped stats (abs) min: 3 max: 18 x̄: 13.00 x̃: 15
helped stats (rel) min: 0.15% max: 0.84% x̄: 0.39% x̃: 0.29%
95% mean confidence interval for cycles value: -23.79 -2.21
95% mean confidence interval for cycles %-change: -0.88% 0.09%
Inconclusive result (%-change mean confidence interval includes 0).
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
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These transformations are inexact because section 4.7.1 (Range and
Precision) says:
Operations and built-in functions that operate on a NaN are not
required to return a NaN as the result.
The fmin or fmax might not return NaN in cases where the original
expression would be required to return NaN.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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This transformation is inexact because section 4.7.1 (Range and
Precision) says:
Operations and built-in functions that operate on a NaN are not
required to return a NaN as the result.
The fmin or fmax might not return NaN in cases where the original
expression would be required to return NaN.
v2: Reorder operands and mark as inexact. The latter suggested by
Jason.
shader-db results:
Haswell, Broadwell, and Skylake had similar results. (Skylake shown)
total instructions in shared programs: 14514817 -> 14514808 (<.01%)
instructions in affected programs: 229 -> 220 (-3.93%)
helped: 3
HURT: 0
helped stats (abs) min: 1 max: 4 x̄: 3.00 x̃: 4
helped stats (rel) min: 2.86% max: 4.12% x̄: 3.70% x̃: 4.12%
total cycles in shared programs: 533145211 -> 533144939 (<.01%)
cycles in affected programs: 37268 -> 36996 (-0.73%)
helped: 8
HURT: 0
helped stats (abs) min: 2 max: 134 x̄: 34.00 x̃: 2
helped stats (rel) min: 0.02% max: 14.22% x̄: 3.53% x̃: 0.05%
Sandy Bridge and Ivy Bridge had similar results. (Ivy Bridge shown)
total cycles in shared programs: 257618409 -> 257618403 (<.01%)
cycles in affected programs: 12582 -> 12576 (-0.05%)
helped: 3
HURT: 0
helped stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2
helped stats (rel) min: 0.05% max: 0.05% x̄: 0.05% x̃: 0.05%
No changes on Iron Lake or GM45.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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code
Reduces my build from 2075 warnings to 2023 warnings by silencing 52
instances of things like
src/compiler/nir/nir_constant_expressions.c: In function ‘evaluate_bfi’:
src/compiler/nir/nir_constant_expressions.c:1812:61: warning: unused parameter ‘bit_size’ [-Wunused-parameter]
evaluate_bfi(MAYBE_UNUSED unsigned num_components, unsigned bit_size,
^~~~~~~~
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
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Reviewed-by: Jason Ekstrand <[email protected]>
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Reviewed-by: Jose Maria Casanova Crespo <[email protected]>
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var->name could be NULL under ARB_gl_spirv for example. And in any
case, the code is already handing var name being NULL when reading a
variable, so it is consistent to do it writing a variable too.
Reviewed-by: Timothy Arceri <[email protected]>
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From the GLSL 4.60 spec Section 5.9 (Expressions):
"Dividing by zero does not cause an exception but does result in
an unspecified value."
Fixes: 89285e4d47a6 "nir: add new constant folding infrastructure"
Reviewed-by: Jason Ekstrand <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105271
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Reviewed-by: Marek Olšák <[email protected]>
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Similar for the 4 case.
Suggested by Bas.
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
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Otherwise the code size increases because the original fexp2()
instructions can't be deleted.
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
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This was originally intended to make sure the remap location
was not -1. However the code has changed alot since then,
the location is now never set to -1 and we also handle
components meaning this old assert has been doing comparisions
with the pointer to the array of component data.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105183
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Reviewed-by: Brian Paul <[email protected]>
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Let's use the new gl_state_index16 type everywhere and remove
the typecasts.
This helps reduce the size of gl_program_parameter.
Reviewed-by: Brian Paul <[email protected]>
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LLVM can't shrink loads.
Polaris10:
Totals from affected shaders:
SGPRS: 62528 -> 59955 (-4.11 %)
VGPRS: 44708 -> 44616 (-0.21 %)
Spilled SGPRs: 16 -> 8 (-50.00 %)
Code Size: 1355504 -> 1355172 (-0.02 %) bytes
Max Waves: 11710 -> 11670 (-0.34 %)
Vega10:
Totals from affected shaders:
SGPRS: 51448 -> 50371 (-2.09 %)
VGPRS: 39140 -> 39048 (-0.24 %)
Spilled SGPRs: 16 -> 16 (0.00 %)
Code Size: 1307188 -> 1304296 (-0.22 %) bytes
Max Waves: 11312 -> 11292 (-0.18 %)
This reduces SGPRs spilling in MadMax, and it also reduces
number of SGPRs in DOW3 and F12017. The number of waves slightly
decreases in F1 but I don't see any performance changes after
benchmarking it. Talos and Serious Sam are not affected because
they don't use any push constants.
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
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This is a very simple pass that just shrinks load_push_constant
intrinsics when some components are unused. For now, it can just
shrink vec4 to vec3, vec3 to vec2 and so on.
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
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This was specifically designed to simplify 1+mix(0, a-1, condition) to
mix(1, a, condition) by pushing the 1+ inside.
Skylake, Broadwell, and Haswell had similar results. Skylake shown.
total instructions in shared programs: 14521753 -> 14521716 (<.01%)
instructions in affected programs: 10619 -> 10582 (-0.35%)
helped: 51
HURT: 14
helped stats (abs) min: 1 max: 12 x̄: 1.43 x̃: 1
helped stats (rel) min: 0.20% max: 3.58% x̄: 1.01% x̃: 0.95%
HURT stats (abs) min: 1 max: 11 x̄: 2.57 x̃: 1
HURT stats (rel) min: 0.22% max: 1.75% x̄: 1.20% x̃: 1.32%
95% mean confidence interval for instructions value: -1.31 0.17
95% mean confidence interval for instructions %-change: -0.80% -0.27%
Inconclusive result (value mean confidence interval includes 0).
total cycles in shared programs: 533000205 -> 533003533 (<.01%)
cycles in affected programs: 110610 -> 113938 (3.01%)
helped: 43
HURT: 28
helped stats (abs) min: 6 max: 440 x̄: 27.12 x̃: 16
helped stats (rel) min: 0.39% max: 4.84% x̄: 1.60% x̃: 1.67%
HURT stats (abs) min: 2 max: 3066 x̄: 160.50 x̃: 14
HURT stats (rel) min: 0.08% max: 77.78% x̄: 5.16% x̃: 0.62%
95% mean confidence interval for cycles value: -43.81 137.56
95% mean confidence interval for cycles %-change: -1.47% 3.60%
Inconclusive result (value mean confidence interval includes 0).
Ivy Bridge
total instructions in shared programs: 10018840 -> 10018713 (<.01%)
instructions in affected programs: 9431 -> 9304 (-1.35%)
helped: 51
HURT: 3
helped stats (abs) min: 1 max: 80 x̄: 2.76 x̃: 1
helped stats (rel) min: 0.20% max: 16.43% x̄: 1.16% x̃: 0.81%
HURT stats (abs) min: 1 max: 12 x̄: 4.67 x̃: 1
HURT stats (rel) min: 0.22% max: 1.33% x̄: 0.59% x̃: 0.22%
95% mean confidence interval for instructions value: -5.36 0.66
95% mean confidence interval for instructions %-change: -1.66% -0.46%
Inconclusive result (value mean confidence interval includes 0).
total cycles in shared programs: 87571944 -> 87572785 (<.01%)
cycles in affected programs: 117234 -> 118075 (0.72%)
helped: 42
HURT: 23
helped stats (abs) min: 2 max: 114 x̄: 51.90 x̃: 30
helped stats (rel) min: 0.11% max: 11.01% x̄: 4.45% x̃: 2.74%
HURT stats (abs) min: 1 max: 2341 x̄: 131.35 x̃: 10
HURT stats (rel) min: 0.06% max: 37.11% x̄: 2.75% x̃: 0.61%
95% mean confidence interval for cycles value: -61.05 86.93
95% mean confidence interval for cycles %-change: -3.47% -0.33%
Inconclusive result (value mean confidence interval includes 0).
Sandy Bridge
total instructions in shared programs: 10542933 -> 10542844 (<.01%)
instructions in affected programs: 11487 -> 11398 (-0.77%)
helped: 52
HURT: 3
helped stats (abs) min: 1 max: 40 x̄: 1.96 x̃: 1
helped stats (rel) min: 0.08% max: 8.16% x̄: 0.90% x̃: 0.72%
HURT stats (abs) min: 1 max: 11 x̄: 4.33 x̃: 1
HURT stats (rel) min: 0.22% max: 1.22% x̄: 0.55% x̃: 0.22%
95% mean confidence interval for instructions value: -3.17 -0.07
95% mean confidence interval for instructions %-change: -1.13% -0.52%
Instructions are helped.
total cycles in shared programs: 146098397 -> 146097094 (<.01%)
cycles in affected programs: 128140 -> 126837 (-1.02%)
helped: 47
HURT: 8
helped stats (abs) min: 2 max: 333 x̄: 29.21 x̃: 18
helped stats (rel) min: 0.13% max: 5.04% x̄: 1.18% x̃: 0.95%
HURT stats (abs) min: 1 max: 16 x̄: 8.75 x̃: 9
HURT stats (rel) min: 0.08% max: 0.43% x̄: 0.30% x̃: 0.34%
95% mean confidence interval for cycles value: -37.49 -9.90
95% mean confidence interval for cycles %-change: -1.22% -0.71%
Cycles are helped.
Iron Lake
total instructions in shared programs: 7886711 -> 7886509 (<.01%)
instructions in affected programs: 10425 -> 10223 (-1.94%)
helped: 50
HURT: 2
helped stats (abs) min: 1 max: 78 x̄: 4.08 x̃: 1
helped stats (rel) min: 0.34% max: 15.38% x̄: 1.12% x̃: 0.54%
HURT stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel) min: 0.86% max: 0.91% x̄: 0.89% x̃: 0.89%
95% mean confidence interval for instructions value: -8.05 0.28
95% mean confidence interval for instructions %-change: -1.83% -0.26%
Inconclusive result (value mean confidence interval includes 0).
total cycles in shared programs: 178115324 -> 178114612 (<.01%)
cycles in affected programs: 765726 -> 765014 (-0.09%)
helped: 39
HURT: 1
helped stats (abs) min: 2 max: 276 x̄: 18.31 x̃: 8
helped stats (rel) min: <.01% max: 8.47% x̄: 0.39% x̃: 0.04%
HURT stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2
HURT stats (rel) min: 0.03% max: 0.03% x̄: 0.03% x̃: 0.03%
95% mean confidence interval for cycles value: -32.07 -3.53
95% mean confidence interval for cycles %-change: -0.86% 0.10%
Inconclusive result (%-change mean confidence interval includes 0).
GM45
total instructions in shared programs: 4857762 -> 4857661 (<.01%)
instructions in affected programs: 5523 -> 5422 (-1.83%)
helped: 25
HURT: 1
helped stats (abs) min: 1 max: 78 x̄: 4.08 x̃: 1
helped stats (rel) min: 0.34% max: 13.61% x̄: 1.04% x̃: 0.52%
HURT stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel) min: 0.86% max: 0.86% x̄: 0.86% x̃: 0.86%
95% mean confidence interval for instructions value: -9.99 2.22
95% mean confidence interval for instructions %-change: -2.01% 0.08%
Inconclusive result (value mean confidence interval includes 0).
total cycles in shared programs: 122179674 -> 122179194 (<.01%)
cycles in affected programs: 530162 -> 529682 (-0.09%)
helped: 22
HURT: 1
helped stats (abs) min: 2 max: 292 x̄: 21.91 x̃: 7
helped stats (rel) min: <.01% max: 8.65% x̄: 0.44% x̃: 0.04%
HURT stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2
HURT stats (rel) min: 0.03% max: 0.03% x̄: 0.03% x̃: 0.03%
95% mean confidence interval for cycles value: -46.56 4.82
95% mean confidence interval for cycles %-change: -1.20% 0.36%
Inconclusive result (value mean confidence interval includes 0).
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Elie Tournier <[email protected]>
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Skylake and Broadwell had similar results. Skylake shown.
total instructions in shared programs: 14521769 -> 14521753 (<.01%)
instructions in affected programs: 8782 -> 8766 (-0.18%)
helped: 16
HURT: 0
helped stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
helped stats (rel) min: 0.12% max: 0.40% x̄: 0.20% x̃: 0.18%
95% mean confidence interval for instructions value: -1.00 -1.00
95% mean confidence interval for instructions %-change: -0.23% -0.16%
Instructions are helped.
total cycles in shared programs: 533000376 -> 533000205 (<.01%)
cycles in affected programs: 447035 -> 446864 (-0.04%)
helped: 9
HURT: 9
helped stats (abs) min: 2 max: 40 x̄: 35.78 x̃: 40
helped stats (rel) min: 0.02% max: 0.18% x̄: 0.10% x̃: 0.09%
HURT stats (abs) min: 1 max: 52 x̄: 16.78 x̃: 10
HURT stats (rel) min: <.01% max: 1.11% x̄: 0.29% x̃: 0.12%
95% mean confidence interval for cycles value: -25.07 6.07
95% mean confidence interval for cycles %-change: -0.08% 0.27%
Inconclusive result (value mean confidence interval includes 0).
No changes on GM45, Iron Lake, Sandy Bridge, Ivy Bridge, or Haswell.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Elie Tournier <[email protected]>
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If both comparisons are used as sources for instructions other than the
iand, this transformation is detrimental. If the non-identical value in
both compares is constant, the fmin or fmax will be constant-folded
away, so the transformation is always a win.
It is interesting to me that on Iron Lake only 81 shaders have
instruction counts changed, but 726 shaders have cycle counts changed.
shader-db results:
Skylake
total instructions in shared programs: 14525728 -> 14521017 (-0.03%)
instructions in affected programs: 1164726 -> 1160015 (-0.40%)
helped: 1692
HURT: 5
helped stats (abs) min: 1 max: 637 x̄: 2.79 x̃: 2
helped stats (rel) min: 0.07% max: 16.36% x̄: 0.81% x̃: 0.33%
HURT stats (abs) min: 1 max: 12 x̄: 3.20 x̃: 1
HURT stats (rel) min: 0.38% max: 2.86% x̄: 2.36% x̃: 2.86%
95% mean confidence interval for instructions value: -3.52 -2.03
95% mean confidence interval for instructions %-change: -0.86% -0.74%
Instructions are helped.
total cycles in shared programs: 533115449 -> 532991404 (-0.02%)
cycles in affected programs: 119401803 -> 119277758 (-0.10%)
helped: 1145
HURT: 467
helped stats (abs) min: 1 max: 34644 x̄: 145.92 x̃: 18
helped stats (rel) min: <.01% max: 45.33% x̄: 1.58% x̃: 0.42%
HURT stats (abs) min: 1 max: 1590 x̄: 92.15 x̃: 15
HURT stats (rel) min: <.01% max: 13.48% x̄: 1.26% x̃: 0.39%
95% mean confidence interval for cycles value: -122.16 -31.74
95% mean confidence interval for cycles %-change: -0.94% -0.57%
Cycles are helped.
total spills in shared programs: 9597 -> 9534 (-0.66%)
spills in affected programs: 403 -> 340 (-15.63%)
helped: 1
HURT: 1
total fills in shared programs: 13904 -> 13790 (-0.82%)
fills in affected programs: 1627 -> 1513 (-7.01%)
helped: 2
HURT: 1
LOST: 0
GAINED: 2
Broadwell
total instructions in shared programs: 14816966 -> 14812590 (-0.03%)
instructions in affected programs: 1499885 -> 1495509 (-0.29%)
helped: 1672
HURT: 15
helped stats (abs) min: 1 max: 455 x̄: 2.70 x̃: 2
helped stats (rel) min: 0.05% max: 16.36% x̄: 0.81% x̃: 0.33%
HURT stats (abs) min: 1 max: 21 x̄: 9.20 x̃: 8
HURT stats (rel) min: 0.08% max: 2.86% x̄: 1.06% x̃: 0.53%
95% mean confidence interval for instructions value: -3.14 -2.05
95% mean confidence interval for instructions %-change: -0.85% -0.73%
Instructions are helped.
total cycles in shared programs: 559353622 -> 559345595 (<.01%)
cycles in affected programs: 139893703 -> 139885676 (<.01%)
helped: 921
HURT: 697
helped stats (abs) min: 1 max: 42424 x̄: 143.45 x̃: 18
helped stats (rel) min: <.01% max: 36.23% x̄: 2.02% x̃: 0.87%
HURT stats (abs) min: 1 max: 2370 x̄: 178.03 x̃: 38
HURT stats (rel) min: <.01% max: 17.35% x̄: 0.71% x̃: 0.14%
95% mean confidence interval for cycles value: -59.64 49.72
95% mean confidence interval for cycles %-change: -1.02% -0.66%
Inconclusive result (value mean confidence interval includes 0).
total spills in shared programs: 78902 -> 78861 (-0.05%)
spills in affected programs: 2418 -> 2377 (-1.70%)
helped: 1
HURT: 11
total fills in shared programs: 83782 -> 83678 (-0.12%)
fills in affected programs: 3515 -> 3411 (-2.96%)
helped: 2
HURT: 11
LOST: 0
GAINED: 5
Haswell and Ivy Bridge had similar results. Haswell shown.
total instructions in shared programs: 9033898 -> 9032010 (-0.02%)
instructions in affected programs: 308064 -> 306176 (-0.61%)
helped: 921
HURT: 4
helped stats (abs) min: 1 max: 20 x̄: 2.05 x̃: 1
helped stats (rel) min: 0.17% max: 17.54% x̄: 0.80% x̃: 0.35%
HURT stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel) min: 3.23% max: 3.23% x̄: 3.23% x̃: 3.23%
95% mean confidence interval for instructions value: -2.21 -1.87
95% mean confidence interval for instructions %-change: -0.88% -0.68%
Instructions are helped.
total cycles in shared programs: 84628949 -> 84620520 (<.01%)
cycles in affected programs: 2164913 -> 2156484 (-0.39%)
helped: 518
HURT: 359
helped stats (abs) min: 1 max: 440 x̄: 41.52 x̃: 20
helped stats (rel) min: <.01% max: 17.17% x̄: 1.95% x̃: 1.01%
HURT stats (abs) min: 1 max: 586 x̄: 36.43 x̃: 8
HURT stats (rel) min: 0.04% max: 18.65% x̄: 1.47% x̃: 0.40%
95% mean confidence interval for cycles value: -15.17 -4.05
95% mean confidence interval for cycles %-change: -0.77% -0.32%
Cycles are helped.
LOST: 0
GAINED: 4
Sandy Bridge
total instructions in shared programs: 10544860 -> 10542933 (-0.02%)
instructions in affected programs: 360019 -> 358092 (-0.54%)
helped: 931
HURT: 4
helped stats (abs) min: 1 max: 20 x̄: 2.07 x̃: 1
helped stats (rel) min: 0.11% max: 15.52% x̄: 0.68% x̃: 0.30%
HURT stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel) min: 3.33% max: 3.33% x̄: 3.33% x̃: 3.33%
95% mean confidence interval for instructions value: -2.23 -1.89
95% mean confidence interval for instructions %-change: -0.76% -0.58%
Instructions are helped.
total cycles in shared programs: 146106820 -> 146098397 (<.01%)
cycles in affected programs: 3435047 -> 3426624 (-0.25%)
helped: 572
HURT: 329
helped stats (abs) min: 1 max: 1289 x̄: 32.52 x̃: 15
helped stats (rel) min: <.01% max: 26.29% x̄: 0.97% x̃: 0.33%
HURT stats (abs) min: 1 max: 1714 x̄: 30.93 x̃: 6
HURT stats (rel) min: 0.02% max: 41.31% x̄: 1.13% x̃: 0.19%
95% mean confidence interval for cycles value: -16.85 -1.85
95% mean confidence interval for cycles %-change: -0.39% -0.01%
Cycles are helped.
LOST: 1
GAINED: 0
Iron Lake
total instructions in shared programs: 7886925 -> 7886711 (<.01%)
instructions in affected programs: 25763 -> 25549 (-0.83%)
helped: 75
HURT: 6
helped stats (abs) min: 1 max: 13 x̄: 3.33 x̃: 1
helped stats (rel) min: 0.35% max: 17.57% x̄: 1.96% x̃: 0.53%
HURT stats (abs) min: 1 max: 16 x̄: 6.00 x̃: 1
HURT stats (rel) min: 2.86% max: 4.79% x̄: 3.49% x̃: 2.86%
95% mean confidence interval for instructions value: -3.69 -1.60
95% mean confidence interval for instructions %-change: -2.54% -0.57%
Instructions are helped.
total cycles in shared programs: 178116888 -> 178115324 (<.01%)
cycles in affected programs: 5858790 -> 5857226 (-0.03%)
helped: 484
HURT: 242
helped stats (abs) min: 2 max: 76 x̄: 5.27 x̃: 6
helped stats (rel) min: 0.01% max: 10.70% x̄: 0.18% x̃: 0.06%
HURT stats (abs) min: 2 max: 76 x̄: 4.07 x̃: 2
HURT stats (rel) min: 0.01% max: 3.99% x̄: 0.19% x̃: 0.03%
95% mean confidence interval for cycles value: -2.76 -1.55
95% mean confidence interval for cycles %-change: -0.12% 0.01%
Inconclusive result (%-change mean confidence interval includes 0).
GM45
total instructions in shared programs: 4857870 -> 4857762 (<.01%)
instructions in affected programs: 13994 -> 13886 (-0.77%)
helped: 39
HURT: 5
helped stats (abs) min: 1 max: 13 x̄: 3.28 x̃: 2
helped stats (rel) min: 0.33% max: 17.11% x̄: 1.86% x̃: 0.48%
HURT stats (abs) min: 1 max: 16 x̄: 4.00 x̃: 1
HURT stats (rel) min: 2.86% max: 4.71% x̄: 3.23% x̃: 2.86%
95% mean confidence interval for instructions value: -3.86 -1.05
95% mean confidence interval for instructions %-change: -2.61% 0.04%
Inconclusive result (%-change mean confidence interval includes 0).
total cycles in shared programs: 122180744 -> 122179674 (<.01%)
cycles in affected programs: 3686646 -> 3685576 (-0.03%)
helped: 273
HURT: 141
helped stats (abs) min: 2 max: 76 x̄: 5.81 x̃: 6
helped stats (rel) min: 0.01% max: 10.70% x̄: 0.18% x̃: 0.06%
HURT stats (abs) min: 2 max: 76 x̄: 3.66 x̃: 2
HURT stats (rel) min: 0.01% max: 3.99% x̄: 0.16% x̃: 0.02%
95% mean confidence interval for cycles value: -3.42 -1.75
95% mean confidence interval for cycles %-change: -0.15% 0.03%
Inconclusive result (%-change mean confidence interval includes 0).
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Elie Tournier <[email protected]>
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min(a+b, c+d) >= 0 becomes (a+b >= 0 && c+d >= 0).
No shader-db changes, but it does prevent 6 to 12 instruction
regressions in the next patch on all measured Intel platforms.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Elie Tournier <[email protected]>
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v2: Rebase on almost 2 years. Require that one of the arguments to fmin
or fmax be used only once. This prevents some regressions.
shader-db results:
Skylake and Broadwell had similar results. Skylake shown.
total instructions in shared programs: 14526021 -> 14525913 (<.01%)
instructions in affected programs: 4613 -> 4505 (-2.34%)
helped: 31
HURT: 0
helped stats (abs) min: 1 max: 4 x̄: 3.48 x̃: 4
helped stats (rel) min: 0.62% max: 6.67% x̄: 3.31% x̃: 2.42%
total cycles in shared programs: 533118710 -> 533118403 (<.01%)
cycles in affected programs: 34334 -> 34027 (-0.89%)
helped: 24
HURT: 0
helped stats (abs) min: 4 max: 24 x̄: 12.79 x̃: 14
helped stats (rel) min: 0.25% max: 2.40% x̄: 1.08% x̃: 1.03%
No changes on GM45, Iron Lake, Sandy Bridge, Ivy Bridge, or Haswell.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Elie Tournier <[email protected]>
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shader-db results:
Skylake and Broadwell had similar results (Skylake shown)
total instructions in shared programs: 14525898 -> 14525836 (<.01%)
instructions in affected programs: 1964 -> 1902 (-3.16%)
helped: 14
HURT: 0
helped stats (abs) min: 1 max: 25 x̄: 4.43 x̃: 1
helped stats (rel) min: 0.68% max: 9.77% x̄: 2.10% x̃: 0.86%
95% mean confidence interval for instructions value: -9.46 0.60
95% mean confidence interval for instructions %-change: -3.97% -0.24%
Inconclusive result (value mean confidence interval includes 0).
total cycles in shared programs: 533119892 -> 533115756 (<.01%)
cycles in affected programs: 96061 -> 91925 (-4.31%)
helped: 13
HURT: 1
helped stats (abs) min: 60 max: 596 x̄: 318.77 x̃: 300
helped stats (rel) min: 1.15% max: 5.49% x̄: 4.27% x̃: 4.42%
HURT stats (abs) min: 8 max: 8 x̄: 8.00 x̃: 8
HURT stats (rel) min: 0.46% max: 0.46% x̄: 0.46% x̃: 0.46%
95% mean confidence interval for cycles value: -379.43 -211.43
95% mean confidence interval for cycles %-change: -4.84% -3.01%
Cycles are helped.
Haswell, Ivy Bridge and Sandy Bridge had similar results (Haswell shown).
total instructions in shared programs: 9033948 -> 9033898 (<.01%)
instructions in affected programs: 535 -> 485 (-9.35%)
helped: 2
HURT: 0
total cycles in shared programs: 84631402 -> 84628949 (<.01%)
cycles in affected programs: 63197 -> 60744 (-3.88%)
helped: 13
HURT: 2
helped stats (abs) min: 1 max: 594 x̄: 189.62 x̃: 140
helped stats (rel) min: 0.07% max: 5.04% x̄: 3.79% x̃: 4.01%
HURT stats (abs) min: 4 max: 8 x̄: 6.00 x̃: 6
HURT stats (rel) min: 0.17% max: 0.45% x̄: 0.31% x̃: 0.31%
95% mean confidence interval for cycles value: -253.40 -73.67
95% mean confidence interval for cycles %-change: -4.24% -2.25%
Cycles are helped.
No changes on GM45 or Iron Lake.
v2: Add a couple more tautological compares. Suggested by Elie.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Elie Tournier <[email protected]>
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If both comparisons are used as sources for instructions other than the
ior, this transformation is detrimental. If the non-identical value in
both compares is constant, the fmin or fmax will be constant-folded
away, so the transformation is always a win.
shader-db results:
Skylake
total instructions in shared programs: 14526147 -> 14525898 (<.01%)
instructions in affected programs: 70239 -> 69990 (-0.35%)
helped: 102
HURT: 0
helped stats (abs) min: 1 max: 8 x̄: 2.44 x̃: 1
helped stats (rel) min: 0.07% max: 2.30% x̄: 0.38% x̃: 0.20%
95% mean confidence interval for instructions value: -2.86 -2.02
95% mean confidence interval for instructions %-change: -0.46% -0.31%
Instructions are helped.
total cycles in shared programs: 533120531 -> 533119892 (<.01%)
cycles in affected programs: 994875 -> 994236 (-0.06%)
helped: 76
HURT: 26
helped stats (abs) min: 1 max: 324 x̄: 27.09 x̃: 13
helped stats (rel) min: <.01% max: 4.21% x̄: 0.45% x̃: 0.18%
HURT stats (abs) min: 1 max: 167 x̄: 54.62 x̃: 26
HURT stats (rel) min: <.01% max: 4.36% x̄: 1.01% x̃: 0.39%
95% mean confidence interval for cycles value: -19.44 6.91
95% mean confidence interval for cycles %-change: -0.30% 0.15%
Inconclusive result (value mean confidence interval includes 0).
Broadwell
total instructions in shared programs: 14816005 -> 14815787 (<.01%)
instructions in affected programs: 64658 -> 64440 (-0.34%)
helped: 97
HURT: 0
helped stats (abs) min: 1 max: 8 x̄: 2.25 x̃: 1
helped stats (rel) min: 0.07% max: 2.30% x̄: 0.38% x̃: 0.20%
95% mean confidence interval for instructions value: -2.62 -1.87
95% mean confidence interval for instructions %-change: -0.45% -0.30%
Instructions are helped.
total cycles in shared programs: 559340386 -> 559339907 (<.01%)
cycles in affected programs: 1090491 -> 1090012 (-0.04%)
helped: 66
HURT: 28
helped stats (abs) min: 2 max: 198 x̄: 23.83 x̃: 16
helped stats (rel) min: 0.01% max: 4.21% x̄: 0.47% x̃: 0.27%
HURT stats (abs) min: 2 max: 226 x̄: 39.07 x̃: 11
HURT stats (rel) min: <.01% max: 4.61% x̄: 0.64% x̃: 0.20%
95% mean confidence interval for cycles value: -15.94 5.75
95% mean confidence interval for cycles %-change: -0.35% 0.07%
Inconclusive result (value mean confidence interval includes 0).
LOST: 0
GAINED: 1
Haswell
total instructions in shared programs: 9034106 -> 9033948 (<.01%)
instructions in affected programs: 24096 -> 23938 (-0.66%)
helped: 38
HURT: 0
helped stats (abs) min: 1 max: 8 x̄: 4.16 x̃: 4
helped stats (rel) min: 0.42% max: 2.29% x̄: 0.71% x̃: 0.64%
95% mean confidence interval for instructions value: -4.71 -3.60
95% mean confidence interval for instructions %-change: -0.84% -0.58%
Instructions are helped.
total cycles in shared programs: 84631628 -> 84631402 (<.01%)
cycles in affected programs: 148674 -> 148448 (-0.15%)
helped: 14
HURT: 14
helped stats (abs) min: 1 max: 114 x̄: 22.14 x̃: 12
helped stats (rel) min: 0.02% max: 2.98% x̄: 0.66% x̃: 0.21%
HURT stats (abs) min: 1 max: 10 x̄: 6.00 x̃: 5
HURT stats (rel) min: 0.01% max: 0.20% x̄: 0.12% x̃: 0.11%
95% mean confidence interval for cycles value: -19.42 3.28
95% mean confidence interval for cycles %-change: -0.59% 0.05%
Inconclusive result (value mean confidence interval includes 0).
Ivy Bridge
total instructions in shared programs: 10015456 -> 10015293 (<.01%)
instructions in affected programs: 27701 -> 27538 (-0.59%)
helped: 38
HURT: 0
helped stats (abs) min: 1 max: 9 x̄: 4.29 x̃: 4
helped stats (rel) min: 0.33% max: 2.79% x̄: 0.66% x̃: 0.52%
95% mean confidence interval for instructions value: -4.87 -3.71
95% mean confidence interval for instructions %-change: -0.82% -0.51%
Instructions are helped.
total cycles in shared programs: 87524771 -> 87524569 (<.01%)
cycles in affected programs: 112324 -> 112122 (-0.18%)
helped: 6
HURT: 12
helped stats (abs) min: 2 max: 111 x̄: 44.67 x̃: 20
helped stats (rel) min: 0.02% max: 2.94% x̄: 1.45% x̃: 1.26%
HURT stats (abs) min: 1 max: 16 x̄: 5.50 x̃: 5
HURT stats (rel) min: <.01% max: 0.16% x̄: 0.08% x̃: 0.08%
95% mean confidence interval for cycles value: -29.14 6.69
95% mean confidence interval for cycles %-change: -0.93% 0.08%
Inconclusive result (value mean confidence interval includes 0).
LOST: 0
GAINED: 2
Sandy Bridge
total instructions in shared programs: 10545655 -> 10545465 (<.01%)
instructions in affected programs: 37198 -> 37008 (-0.51%)
helped: 42
HURT: 0
helped stats (abs) min: 1 max: 8 x̄: 4.52 x̃: 4
helped stats (rel) min: 0.31% max: 2.15% x̄: 0.58% x̃: 0.49%
95% mean confidence interval for instructions value: -5.14 -3.91
95% mean confidence interval for instructions %-change: -0.68% -0.47%
Instructions are helped.
total cycles in shared programs: 146113059 -> 146112427 (<.01%)
cycles in affected programs: 423514 -> 422882 (-0.15%)
helped: 32
HURT: 10
helped stats (abs) min: 4 max: 162 x̄: 24.34 x̃: 12
helped stats (rel) min: 0.06% max: 2.74% x̄: 0.37% x̃: 0.11%
HURT stats (abs) min: 12 max: 19 x̄: 14.70 x̃: 14
HURT stats (rel) min: 0.10% max: 0.18% x̄: 0.16% x̃: 0.14%
95% mean confidence interval for cycles value: -26.03 -4.07
95% mean confidence interval for cycles %-change: -0.43% -0.05%
Cycles are helped.
Iron Lake
total instructions in shared programs: 7886959 -> 7886925 (<.01%)
instructions in affected programs: 1340 -> 1306 (-2.54%)
helped: 4
HURT: 0
helped stats (abs) min: 2 max: 15 x̄: 8.50 x̃: 8
helped stats (rel) min: 0.63% max: 4.30% x̄: 2.45% x̃: 2.43%
95% mean confidence interval for instructions value: -20.44 3.44
95% mean confidence interval for instructions %-change: -5.78% 0.89%
Inconclusive result (value mean confidence interval includes 0).
total cycles in shared programs: 178116996 -> 178116888 (<.01%)
cycles in affected programs: 6262 -> 6154 (-1.72%)
helped: 2
HURT: 2
helped stats (abs) min: 44 max: 78 x̄: 61.00 x̃: 61
helped stats (rel) min: 3.31% max: 3.94% x̄: 3.62% x̃: 3.62%
HURT stats (abs) min: 6 max: 8 x̄: 7.00 x̃: 7
HURT stats (rel) min: 0.34% max: 0.68% x̄: 0.51% x̃: 0.51%
95% mean confidence interval for cycles value: -93.27 39.27
95% mean confidence interval for cycles %-change: -5.38% 2.27%
Inconclusive result (value mean confidence interval includes 0).
GM45
total instructions in shared programs: 4857887 -> 4857870 (<.01%)
instructions in affected programs: 674 -> 657 (-2.52%)
helped: 2
HURT: 0
total cycles in shared programs: 122180816 -> 122180744 (<.01%)
cycles in affected programs: 3764 -> 3692 (-1.91%)
helped: 1
HURT: 1
helped stats (abs) min: 78 max: 78 x̄: 78.00 x̃: 78
helped stats (rel) min: 3.94% max: 3.94% x̄: 3.94% x̃: 3.94%
HURT stats (abs) min: 6 max: 6 x̄: 6.00 x̃: 6
HURT stats (rel) min: 0.34% max: 0.34% x̄: 0.34% x̃: 0.34%
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Elie Tournier <[email protected]>
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Doing the same for the existing feq and fne transformations didn't help
anything in shader-db.
shader-db results:
Broadwell and Skylake (Skylake shown)
total instructions in shared programs: 14529463 -> 14526147 (-0.02%)
instructions in affected programs: 402420 -> 399104 (-0.82%)
helped: 2136
HURT: 131
helped stats (abs) min: 1 max: 10 x̄: 1.61 x̃: 1
helped stats (rel) min: 0.03% max: 16.22% x̄: 3.14% x̃: 1.12%
HURT stats (abs) min: 1 max: 2 x̄: 1.01 x̃: 1
HURT stats (rel) min: 0.13% max: 7.69% x̄: 0.75% x̃: 0.57%
95% mean confidence interval for instructions value: -1.51 -1.41
95% mean confidence interval for instructions %-change: -3.06% -2.78%
Instructions are helped.
total cycles in shared programs: 533146915 -> 533120531 (<.01%)
cycles in affected programs: 10356261 -> 10329877 (-0.25%)
helped: 1933
HURT: 844
helped stats (abs) min: 1 max: 490 x̄: 29.44 x̃: 16
helped stats (rel) min: <.01% max: 28.57% x̄: 3.43% x̃: 1.88%
HURT stats (abs) min: 1 max: 423 x̄: 36.17 x̃: 12
HURT stats (rel) min: <.01% max: 23.75% x̄: 1.90% x̃: 0.59%
95% mean confidence interval for cycles value: -11.78 -7.22
95% mean confidence interval for cycles %-change: -1.98% -1.65%
Cycles are helped.
Haswell
total instructions in shared programs: 9037416 -> 9034106 (-0.04%)
instructions in affected programs: 389831 -> 386521 (-0.85%)
helped: 2184
HURT: 120
helped stats (abs) min: 1 max: 11 x̄: 1.57 x̃: 1
helped stats (rel) min: 0.03% max: 25.00% x̄: 2.73% x̃: 1.02%
HURT stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel) min: 0.19% max: 7.69% x̄: 0.81% x̃: 0.57%
95% mean confidence interval for instructions value: -1.49 -1.39
95% mean confidence interval for instructions %-change: -2.68% -2.41%
Instructions are helped.
total cycles in shared programs: 84636243 -> 84631628 (<.01%)
cycles in affected programs: 4745058 -> 4740443 (-0.10%)
helped: 1904
HURT: 960
helped stats (abs) min: 1 max: 466 x̄: 30.21 x̃: 18
helped stats (rel) min: 0.02% max: 36.36% x̄: 3.57% x̃: 2.38%
HURT stats (abs) min: 1 max: 1080 x̄: 55.11 x̃: 14
HURT stats (rel) min: 0.02% max: 51.33% x̄: 2.77% x̃: 0.81%
95% mean confidence interval for cycles value: -4.51 1.29
95% mean confidence interval for cycles %-change: -1.64% -1.25%
Inconclusive result (value mean confidence interval includes 0).
LOST: 1
GAINED: 0
Sandy Bridge and Ivy Bridge (Ivy Bridge shown)
total instructions in shared programs: 10018873 -> 10015456 (-0.03%)
instructions in affected programs: 512820 -> 509403 (-0.67%)
helped: 2268
HURT: 162
helped stats (abs) min: 1 max: 11 x̄: 1.62 x̃: 1
helped stats (rel) min: 0.03% max: 25.00% x̄: 2.47% x̃: 0.88%
HURT stats (abs) min: 1 max: 4 x̄: 1.59 x̃: 1
HURT stats (rel) min: 0.09% max: 7.69% x̄: 0.86% x̃: 0.50%
95% mean confidence interval for instructions value: -1.46 -1.35
95% mean confidence interval for instructions %-change: -2.38% -2.12%
Instructions are helped.
total cycles in shared programs: 87538223 -> 87524771 (-0.02%)
cycles in affected programs: 5435520 -> 5422068 (-0.25%)
helped: 1916
HURT: 946
helped stats (abs) min: 1 max: 1392 x̄: 29.44 x̃: 18
helped stats (rel) min: <.01% max: 34.51% x̄: 3.34% x̃: 1.97%
HURT stats (abs) min: 1 max: 633 x̄: 45.41 x̃: 11
HURT stats (rel) min: 0.02% max: 25.95% x̄: 2.41% x̃: 0.62%
95% mean confidence interval for cycles value: -7.34 -2.06
95% mean confidence interval for cycles %-change: -1.62% -1.26%
Cycles are helped.
LOST: 1
GAINED: 0
Iron Lake
total instructions in shared programs: 7888446 -> 7886959 (-0.02%)
instructions in affected programs: 331581 -> 330094 (-0.45%)
helped: 1160
HURT: 97
helped stats (abs) min: 1 max: 10 x̄: 1.37 x̃: 1
helped stats (rel) min: 0.02% max: 9.68% x̄: 0.93% x̃: 0.43%
HURT stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel) min: 0.17% max: 4.17% x̄: 0.37% x̃: 0.25%
95% mean confidence interval for instructions value: -1.25 -1.12
95% mean confidence interval for instructions %-change: -0.91% -0.75%
Instructions are helped.
total cycles in shared programs: 178130766 -> 178116996 (<.01%)
cycles in affected programs: 12534564 -> 12520794 (-0.11%)
helped: 1856
HURT: 187
helped stats (abs) min: 2 max: 202 x̄: 7.78 x̃: 4
helped stats (rel) min: <.01% max: 6.47% x̄: 0.28% x̃: 0.11%
HURT stats (abs) min: 2 max: 26 x̄: 3.55 x̃: 2
HURT stats (rel) min: 0.01% max: 2.14% x̄: 0.08% x̃: 0.02%
95% mean confidence interval for cycles value: -7.41 -6.07
95% mean confidence interval for cycles %-change: -0.28% -0.22%
Cycles are helped.
GM45
total instructions in shared programs: 4858912 -> 4857887 (-0.02%)
instructions in affected programs: 237565 -> 236540 (-0.43%)
helped: 867
HURT: 57
helped stats (abs) min: 1 max: 10 x̄: 1.25 x̃: 1
helped stats (rel) min: 0.02% max: 9.38% x̄: 0.87% x̃: 0.43%
HURT stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel) min: 0.16% max: 3.85% x̄: 0.34% x̃: 0.22%
95% mean confidence interval for instructions value: -1.18 -1.04
95% mean confidence interval for instructions %-change: -0.88% -0.71%
Instructions are helped.
total cycles in shared programs: 122189118 -> 122180816 (<.01%)
cycles in affected programs: 8776418 -> 8768116 (-0.09%)
helped: 1213
HURT: 166
helped stats (abs) min: 2 max: 202 x̄: 7.30 x̃: 4
helped stats (rel) min: <.01% max: 6.43% x̄: 0.25% x̃: 0.11%
HURT stats (abs) min: 2 max: 26 x̄: 3.35 x̃: 2
HURT stats (rel) min: 0.01% max: 2.14% x̄: 0.06% x̃: 0.02%
95% mean confidence interval for cycles value: -6.78 -5.26
95% mean confidence interval for cycles %-change: -0.24% -0.18%
Cycles are helped.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Elie Tournier <[email protected]>
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This will be used for freedreno and vc4 which require all inputs
and outputs to be copied to temps.
Reviewed-by: Marek Olšák <[email protected]>
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We need this because we will always copy fs outputs to temps and
split the arrays, but do not want to do either of these with fs
inputs as it is unnessisary and makes handling interpolateAt
builtins difficult.
Reviewed-by: Marek Olšák <[email protected]>
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c2acf97fcc9b32e changed the use of double_inputs_read to be
inconsitent with its previous meaning. Here we re-enable the
gather info code that was removed as the modified code from
c2acf97fcc9b32e now uses the double_inputs member rather than
double_inputs_read.
This change allows us to use double_inputs_read with gallium
drivers without impacting double_inputs which is used by i965.
We also make use of the compiler option vs_inputs_dual_locations
to allow for the difference in behaviour between drivers that handle
vs inputs as taking up two locations for doubles, versus those that
treat them as taking a single location.
Reviewed-by: Karol Herbst <[email protected]>
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Allows nir drivers to either use a single or dual locations for
vs double inputs.
i965 uses dual locations for both OpenGL and Vulkan drivers, for
now gallium OpenGL drivers only use a single location.
The following patch will also make use of this option when
calling nir_shader_gather_info().
Reviewed-by: Karol Herbst <[email protected]>
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First we move double_inputs_read into a vs struct in the union,
double_inputs_read is only used for vs inputs so this will
save space and also allows us to add a new double_inputs field.
We add the new field because c2acf97fcc9b changed the behaviour
of double_inputs_read, and while it's no longer used to track
actual reads in i965 we do still want to track this for gallium
drivers.
Reviewed-by: Marek Olšák <[email protected]>
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This change cleans following scary warnings in valgrind output
when disk cache is being written:
==6532== Uninitialised byte(s) found during client check request
==6532== at 0x14423FAD: blob_write_bytes (blob.c:152)
==6532== by 0x144240FB: blob_write_uint32 (blob.c:194)
==6532== by 0x144001A5: write_tex (nir_serialize.c:613)
and later (loads of):
==6532== Use of uninitialised value of size 8
==6532== at 0x62FCD9E: crc32_z (in /usr/lib64/libz.so.1.2.11)
==6532== by 0x13F65014: util_hash_crc32 (crc32.c:127)
==6532== by 0x13F5DABA: cache_put (disk_cache.c:947)
Signed-off-by: Tapani Pälli <[email protected]>
Cc: [email protected]
Reviewed-by: Jason Ekstrand <[email protected]>
Reviewed-by: Emil Velikov <[email protected]>
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To avoid compilation warnings and because this helper
shouldn't update anything.
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
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This creates two new internal dependencies, idep_nir_headers and
idep_nir. The former encapsulates the generation of nir_opcodes.h and
nir_builder_opcodes.h and adding src/compiler/nir as an include path.
This ensures that any target that needs nir headers will have the
includes and that the generated headers will be generated before the
target is build. The second, idep_nir, includes the first and
additionally links to libnir.
This is intended to make it easier to avoid race conditions in the build
when using nir, since the number of consumers for libnir and it's
headers are quite high.
Acked-by: Eric Engestrom <[email protected]>
Signed-off-by: Dylan Baker <[email protected]>
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Don't use intermediate variables, use consistent whitespace.
Acked-by: Eric Engestrom <[email protected]>
Signed-off-by: Dylan Baker <[email protected]>
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In file included from src/compiler/nir/nir_opt_algebraic.c:4:0:
src/compiler/nir/nir_search_helpers.h: In function ‘is_not_const’:
src/compiler/nir/nir_search_helpers.h:118:59: warning: unused parameter
‘num_components’ [-Wunused-parameter]
is_not_const(nir_alu_instr *instr, unsigned src, unsigned num_components,
^~~~~~~~~~~~~~
src/compiler/nir/nir_search_helpers.h:119:29: warning: unused parameter
‘swizzle ’ [-Wunused-parameter]
const uint8_t *swizzle)
^~~~~~~
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Alejandro Piñeiro <[email protected]>
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For GL_ARB_compute_variable_group_size
Reported-by: Karol Herbst <[email protected]>
Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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If we don't remap and output this code would trample the outputs
read bits.
This fixes a regression in
dEQP-VK.tessellation.shader_input_output.barrier
Fixes: 1c9c42d16b4c (nir: add varying component packing helpers)
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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VC5 requires that all txd are lowered in the shader.
Reviewed-by: Ian Romanick <[email protected]>
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