From e74336df42fa36244d576dd155d7e2e2c42bc3a0 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Thu, 21 Oct 2021 09:45:14 -0700 Subject: [PATCH] x86: Document -fcf-protection requires i686 or newer PR target/98667 * doc/invoke.texi: Document -fcf-protection requires i686 or new. (cherry picked from commit 1373066a46d8d47abd97e46a005aef3b3dbfe94a) --- gcc/doc/invoke.texi | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 93049d7a22f0..2eb874a7176d 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -15123,7 +15123,8 @@ which functions and calls should be skipped from instrumentation (@pxref{Function Attributes}). Currently the x86 GNU/Linux target provides an implementation based -on Intel Control-flow Enforcement Technology (CET). +on Intel Control-flow Enforcement Technology (CET) which works for +i686 processor or newer. @item -fstack-protector @opindex fstack-protector -- 2.47.2