https://gcc.gnu.org/g:8b5a8b1f60e7d1a51429f118e0fb3d851abe6cd4
commit r15-2817-g8b5a8b1f60e7d1a51429f118e0fb3d851abe6cd4
Author: Tobias Burnus <tbur...@baylibre.com>
Date: Thu Aug 8 14:24:59 2024 +0200
libgomp/libgomp.texi: Mention -fno-builtin-omp_is_initial_device
libgomp/ChangeLog:
* libgomp.texi (omp_is_initial_device): Mention
-fno-builtin-omp_is_initial_device and folding by default.
Diff:
---
libgomp/libgomp.texi | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libgomp/libgomp.texi b/libgomp/libgomp.texi
index c6759dd03bc3..081e22510a5d 100644
--- a/libgomp/libgomp.texi
+++ b/libgomp/libgomp.texi
@@ -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);}
