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Document compatibility with earlier ProPolice implementation.

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* c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
macros.

From-SVN: r103058
This commit is contained in:
James E Wilson 2005-08-13 13:58:02 -07:00 committed by Jim Wilson
parent 0aca9021cd
commit 0ffb94cd68
2 changed files with 6 additions and 1 deletions
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3
gcc/ChangeLog
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@ -6,6 +6,9 @@
(-Wvariadic-macros): Alphabetize.
(-fsched-stalled-insns-dep): Add missing 'f'.
* c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
macros.
2005-08-13 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed

4
gcc/c-cppbuiltin.c
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@ -440,7 +440,9 @@ c_cpp_builtins (cpp_reader *pfile)
if (targetm.handle_pragma_extern_prefix)
cpp_define (pfile, "__PRAGMA_EXTERN_PREFIX");
/* Make the choice of the stack protector runtime visible to source code. */
/* Make the choice of the stack protector runtime visible to source code.
The macro names and values here were chosen for compatibility with an
earlier implementation, i.e. ProPolice. */
if (flag_stack_protect == 2)
cpp_define (pfile, "__SSP_ALL__=2");
else if (flag_stack_protect == 1)