Commit 643e867f by Uros Bizjak

re PR target/47766 ([x32] -fstack-protector doesn't work)

	PR target/47766
	* doc/md.texi (stack_protect_set): The pattern moves ptr_mode value.
	(stack_protect_test): The pattern compares ptr_mode value.

From-SVN: r177096
parent eaba57fb
2011-08-02 Uros Bizjak <ubizjak@gmail.com>
PR target/47766
* doc/md.texi (stack_protect_set): The pattern moves ptr_mode value.
(stack_protect_test): The pattern compares ptr_mode value.
2011-08-02 Alan Modra <amodra@gmail.com>
* config/rs6000/rs6000.c (rs6000_emit_prologue): Add REG_CFA_RESTORE
......@@ -5,8 +11,7 @@
2011-08-01 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/lzcntintrin.h (__lzcnt64): Replace long with
long long.
* config/i386/lzcntintrin.h (__lzcnt64): Replace long with long long.
2011-08-01 Sebastian Pop <sebastian.pop@amd.com>
Joseph Myers <joseph@codesourcery.com>
......
......@@ -5557,7 +5557,7 @@ will be emitted, followed by a store of the value to the memory operand.
@cindex @code{stack_protect_set} instruction pattern
@item @samp{stack_protect_set}
This pattern, if defined, moves a @code{Pmode} value from the memory
This pattern, if defined, moves a @code{ptr_mode} value from the memory
in operand 1 to the memory in operand 0 without leaving the value in
a register afterward. This is to avoid leaking the value some place
that an attacker might use to rewrite the stack guard slot after
......@@ -5568,7 +5568,7 @@ If this pattern is not defined, then a plain move pattern is generated.
@cindex @code{stack_protect_test} instruction pattern
@item @samp{stack_protect_test}
This pattern, if defined, compares a @code{Pmode} value from the
This pattern, if defined, compares a @code{ptr_mode} value from the
memory in operand 1 with the memory in operand 0 without leaving the
value in a register afterward and branches to operand 2 if the values
weren't equal.
......
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