* function.c (stack_protect_epilogue): Pass label to
stack_protect_test, assume it emitted also the conditional
branch.
* doc/md.texi (stack_protect_test): Adjust documentation.
* config/i386/i386.md (stack_protect_test): Add third argument,
emit beq with operands[2].
* config/rs6000/rs6000.h (FRAME_GROWS_DOWNWARD): Define to
flag_stack_protect != 0.
* config/rs6000/rs6000.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
constants.
(stack_protect_set, stack_protect_test): New expanders.
(stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
stack_protect_testdi): New insns.
* config/rs6000/rs6000.c (rs6000_stack_protect_fail): New function.
(TARGET_STACK_PROTECT_FAIL): Define.
(rs6000_generate_compare): Handle UNSPEC_SP_TEST.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101468
138bc75d-0d04-0410-961f-
82ee72b054a4