https://bugs.llvm.org/show_bug.cgi?id=43711
Matt Arsenault <[email protected]> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #2 from Matt Arsenault <[email protected]> ---
IEEE-754 2008 5.5.1 "Sign bit operations" states "they only affect the sign
bit" and
"These operations may propagate non-canonical encodings."
I would not expect nir_op_fneg to behave any differently, but if you for some
reason defined it that way, emitting the separate canonicalize would be the
correct way to map it to llvm semantics. I suspect you're really missing a
canonicalize somewhere else though.
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