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Lax conversions - #42
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danieltowner wants to merge 2 commits into
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danieltowner wants to merge 2 commits into
danieltowner wants to merge 2 commits into
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Previously `to_register` would return a builtin with enough elements to fill a complete register of the appropriate size, but this often wouldn't be allowed as a parameter to an intrinsic. The new version converts the register type to the one of the common intrinsic types (e.g., __m256i, __m512d, __m128h). This simplifies intrinsic calls by allowing `to_register` to handle the type conversion without also requiring an explicit cast at the intrinsic call site. This work is an important step in eliminating the use of `flax-vector-conversions` since it allows intrinsic calls without implicit conversions.
gcc used lax vector conversion to provide implicit conversions between vectors of the same size but different types. This has been removed so that there is no requirement for gcc users to provide this flag themselves for their projects. A few minor issues that appeared as a consequence were fixed by inserting extra explicit conversions where needed.
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