2012-06-12 Bill Schmidt <wschmidt@linux.ibm.com>
* opts.c: Add -fhoist-adjacent-loads to -O2 and above.
* tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Add argument to forward
declaration.
(hoist_adjacent_loads, gate_hoist_loads): New forward declarations.
(tree_ssa_phiopt): Call gate_hoist_loads.
(tree_ssa_cs_elim): Add parm to tree_ssa_phiopt_worker call.
(tree_ssa_phiopt_worker): Add do_hoist_loads to formal arg list; call
hoist_adjacent_loads.
(local_mem_dependence): New function.
(hoist_adjacent_loads): Likewise.
(gate_hoist_loads): Likewise.
* common.opt (fhoist-adjacent-loads): New switch.
* Makefile.in (tree-ssa-phiopt.o): Added dependencies.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@188457
138bc75d-0d04-0410-961f-
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