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Will fail to compile with cryptic error if `AVX2` is defined but `BMI2` is not #14

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pkit opened this issue Oct 3, 2022 · 0 comments · May be fixed by #15

pkit commented Oct 3, 2022 •

edited

If compiled with clang -mavx2
The error is:

error: always_inline function '_pdep_u64' requires target feature 'bmi2', but would be inlined into function 'Deposit' that is compiled without support for 'bmi2'

Full list of the relevant flags:

/usr/bin/clang++ --target=x86_64-linux-gnu -mssse3 -msse4.1 -msse4.2 -mpclmul -mpopcnt -mavx2 -O2 -g -DNDEBUG -O3 -g -gdwarf-4

The text was updated successfully, but these errors were encountered:

pkit added a commit to pkit/morton-nd that referenced this issue


          Fix wrong BMI2 detection

Fixes morton-nd#14

pkit linked a pull request

that will close this issue

Fix wrong BMI2 detection #15

Open

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