* config/rs6000/rs6000.opt (mdlmzb): New option.
(msched-prolog, msched-epilog): Use Var not Mask.
* doc/invoke.texi (-mdlmzb): Document.
* config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
MASK_SCHED_PROLOG.
(rs6000_override_options): Enable -mdlmzb for 405 and 440.
* config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
testsuite:
* gcc.target/powerpc/405-dlmzb-strlen-1.c,
gcc.target/powerpc/440-dlmzb-strlen-1.c: New tests.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@112040 138bc75d-0d04-0410-961f-82ee72b054a4