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e581ddeeee
Shader-db results on ICL:
total instructions in shared programs: 17133088 -> 17133287 (<.01%)
instructions in affected programs: 61300 -> 61499 (0.32%)
helped: 0
HURT: 199
This means it's likely fixing 199 bugs. :-) All the changed shaders are
in Mad Max. It's surprisingly difficult to get the back-end compiler to
generate a pattern that hits this we don't tend to emit a lot coalescable
MOVs. The pattern in Mad Max that's able to hit is fsign(fsat(x)) under
the right conditions.
Closes: #2820
Cc: mesa-stable@lists.freedesktop.org
Tested-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4773>
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| .. | ||
| blorp | ||
| common | ||
| compiler | ||
| dev | ||
| genxml | ||
| isl | ||
| perf | ||
| tools | ||
| vulkan | ||
| Android.blorp.mk | ||
| Android.common.mk | ||
| Android.compiler.mk | ||
| Android.dev.mk | ||
| Android.genxml.mk | ||
| Android.isl.mk | ||
| Android.mk | ||
| Android.perf.mk | ||
| Android.vulkan.mk | ||
| Makefile.perf.am | ||
| Makefile.sources | ||
| meson.build | ||