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authorH.J. Lu <hjl.tools@gmail.com>2021-10-21 09:45:14 -0700
committerH.J. Lu <hjl.tools@gmail.com>2021-10-21 12:09:25 -0700
commit1373066a46d8d47abd97e46a005aef3b3dbfe94a (patch)
tree7375f7d639f4e9e27e2f6374a8d572bfd078e09f /gcc
parent6aceeb3fb64b0e82fc3301026669062797ec01a5 (diff)
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x86: Document -fcf-protection requires i686 or newer
PR target/98667 * doc/invoke.texi: Document -fcf-protection requires i686 or new.
Diffstat (limited to 'gcc')
-rw-r--r--gcc/doc/invoke.texi3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index c66a25f..71992b8 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -15542,7 +15542,8 @@ 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