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* [gcc r9-9792] x86: Document -fcf-protection requires i686 or newer
@ 2021-10-21 19:14 H.J. Lu
  0 siblings, 0 replies; only message in thread
From: H.J. Lu @ 2021-10-21 19:14 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:5ed78f8bd84eb696579d928c816bc840664829b2

commit r9-9792-g5ed78f8bd84eb696579d928c816bc840664829b2
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Oct 21 09:45:14 2021 -0700

    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)

Diff:
---
 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 977fe4574ec..3f0c8715c7a 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -12765,7 +12765,8 @@ 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


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