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`stage2_spirv64` -> `stage2_spirv`
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Most of the failures are:
* https://github.com/llvm/llvm-project/issues/118879
* https://github.com/llvm/llvm-project/issues/134659
But some are also miscompilations leading to wrong results. I'm not going to
investigate the latter further until all the backend crashes have been resolved.
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The old vectorization helper (WipElementWise) was clunky and a bit
annoying to use, and it wasn't really flexible enough.
This introduces a new vectorization helper, which uses Temporary and
Operation types to deduce a Vectorization to perform the operation
in a reasonably efficient manner. It removes the outer loop
required by WipElementWise so that implementations of AIR instructions
are cleaner. This helps with sanity when we start to introduce support
for composite integers.
airShift, convertToDirect, convertToIndirect, and normalize are initially
implemented using this new method.
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Signed-off-by: Eric Joldasov <bratishkaerik@getgoogleoff.me>
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Good riddance.
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My previous commit added a new behavior test that passes for stage2 but
I forgot to check whether it passes for stage1. Since it does not, it
has to be disabled.
Additionally, this commit organizes behavior tests; there is no longer a
section of tests only passing for stage1. Instead, tests are disabled on
an individual basis. There is an except for the file which has global
assembly in it.
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@select(
comptime T: type,
pred: std.meta.Vector(len, bool),
a: std.meta.Vector(len, T),
b: std.meta.Vector(len, T)
) std.meta.Vector(len, T)
Constructs a vector from a & b, based on the values in the predicate vector. For indices where the predicate value is true, the corresponding
element from the a vector is selected, and otherwise from b.
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