After r13-3416-g1d561e1851c466:
commit 1d561e1851c466a4952081caef17747781609b00
Author: Artem Klimov <jakmob...@gmail.com>
Date: Wed Jul 6 17:02:01 2022 +0300
ipa-visibility: Optimize TLS access [PR99619]
GCC can optimize the TLS access model which means that tls_model
attribute specifies the weakest access model. Update tls_model
attribute documentation to reflect it.
PR middle-end/121352
* doc/extend.texi: Update the tls_model attribute.
Signed-off-by: H.J. Lu <hjl.to...@gmail.com>
---
gcc/doc/extend.texi | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 224d6197d63..3ffa4b89915 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -7528,7 +7528,10 @@ The @code{tls_model} attribute sets thread-local storage
model
overriding @option{-ftls-model=} command-line switch on a per-variable
basis.
The @var{tls_model} argument should be one of @code{global-dynamic},
-@code{local-dynamic}, @code{initial-exec} or @code{local-exec}.
+@code{local-dynamic}, @code{initial-exec} or @code{local-exec}. The
+@code{tls_model} attribute specifies the weakest @acronym{TLS} access
+model. GCC may optimize @acronym{TLS} access to a stronger @acronym{TLS}
+access model.
Not all targets support this attribute.
--
2.50.1
