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libgomp/libgomp.texi: Mention -fno-builtin-omp_is_initial_device

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libgomp/ChangeLog:

	* libgomp.texi (omp_is_initial_device): Mention
	-fno-builtin-omp_is_initial_device and folding by default.
This commit is contained in:
Tobias Burnus 2024-08-08 14:24:59 +02:00
parent 4d44f3fc38
commit 8b5a8b1f60
1 changed files with 4 additions and 0 deletions
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libgomp/libgomp.texi
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@ -1754,6 +1754,10 @@ This function returns @code{true} if currently running on the host device,
@code{false} otherwise. Here, @code{true} and @code{false} represent
their language-specific counterparts.
Note that in GCC this value is already folded to a constant in the compiler;
compile with @option{-fno-builtin-omp_is_initial_device} if a run-time function
is desired.
@item @emph{C/C++}:
@multitable @columnfractions .20 .80
@item @emph{Prototype}: @tab @code{int omp_is_initial_device(void);}