From 1189d1b38e2b9507488ea294cda771c79e972c1d Mon Sep 17 00:00:00 2001
From: Martin Liska <mliska@suse.cz>
Date: Thu, 9 Feb 2023 11:33:31 +0100
Subject: [PATCH] docs: add caveat for __builtin_cpu_supports
Document that the function does not work correctly for old
VIA processors.
PR target/100758
gcc/ChangeLog:
* doc/extend.texi: Document that the function
does not work correctly for old VIA processors.
---
gcc/doc/extend.texi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 5a026c4b48ce..66a9d8898815 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -22071,6 +22071,9 @@ else
count = generic_countbits (n); //generic implementation.
@}
@end smallexample
+
+Caveat: This built-in function does not work correctly on old VIA
+processors (Centaur family).
@end deftypefn
The following built-in functions are made available by @option{-mmmx}.
--
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