Allow llvm.x86.sse2.pause instrinsic to be called without SSE2
#3393
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This probably had regressed with #3180 |
RalfJung
reviewed
Mar 21, 2024
| // SSSE3 implicitly enables SSE3 | ||
| //@compile-flags: -C target-feature=-sse2 |
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What's the connection between the comment and the line that follows?
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copy-paste leftover
The instrinsic is compiled to a `pause` instruction, which behaves like a no-op when SSE2 is not available. https://www.felixcloutier.com/x86/pause.html
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Thanks! |
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The instrinsic is compiled to a
pauseinstruction, which behaves like a no-op when SSE2 is not available.https://www.felixcloutier.com/x86/pause.html