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                                            Jeff Rous

ISPC uses scalar SSE instructions to convert floats to doubles when compiling for AVX, AVX2 and AVX512

Fake varying can be abused to do this? https://ispc.godbolt.org/z/j6cW8nfeh

application interoperability: incorrect return by value from ISPC-exported / application functions

This might serve as a small repro case. When running the following code in release, Source == Result as expected. When in debug, CopyVectorReturn is incorrect. test.cpp: ``` #include #include...

The compiler isn't properly reducing expressions to eliminate `vdivps` in favor of `vmulps`

These seem to be doing the right thing when you add `--opt=fast-math` https://godbolt.org/z/o6MY1ajnE https://ispc.godbolt.org/z/o4ePjYqxG