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cdbca1727c
* Makefile.in (ssa.o): Updated header files in dependences. * basic-block.h: Added compute_immediate_postdominators declaration. * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added definition. * flow.c (compute_immediate_dominators): Updated comment. (compute_immediate_postdominators): Added definition. * rtl.h (HARD_REGISTER_P): Added definition. * ssa.c: Include additional header files. (assert): Added definition. (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to include select hard registers. (ssa_rename_to_insert): Likewise. (ssa_rename_from_initialize): Likewise. (ssa_rename_from_lookup): Likewise. (original_register): Likewise. (ssa_rename_from_insert): Added to reimplement ssa_rename_from to include select hard reigsters. (ssa_rename_from_traverse): Likewise. (ssa_rename_from_free): Likewise. (ssa_rename_from_print): Likewise. (ssa_rename_from_print_1): Likewise. (ssa_rename_from_hash_function): Likewise. (ssa_rename_from_equal): Likewise. (ssa_rename_from_delete): Likewise. (simplify_to_immediate_dominators): Removed in favor of flow.c:compute_immediate_dominators. (find_evaluations_1): Modified to work with hard registers. (insert_phi_node): Likewise. (insert_phi_nodes): Likewise. (struct rename_set_data): Updated prev_reg comment. (create_delayed_rename): Modified to work with hard registers. (RENAME_NO_RTX): Updated comment. (apply_delayed_renames): Modified to work with hard registers. (rename_insn_1): Likewise and added handling of CLOBBER rtls. (rename_block): Updated to use revised ssa_rename_to interface. (rename_registers): Updated to use revised ssa_rename_to and ssa_rename_from interface. (convert_to_ssa): Revised to use compute_immediate_dominators and deal with hard registers. (make_regs_equivalent_over_bad_edges): Modified to work with hard registers. Added check for illegal unification of hard register. (make_equivalent_phi_alternatives_equivalent): Modified to work with hard registers. (compute_conservative_reg_partition): Likewise. (coalesce_if_unconflicting): Modified to work with hard registers and check for conflicting hard registers. (mark_phi_and_copy_regs): Revised loop to work only on pseudo registers. (rename_equivalent_regs_in_insn): Modified to work with hard registers. (record_canonical_element_1): Added definition. (check_hard_regs_in_partition): Added definition. (convert_from_ssa): Added data structure deallocation and check for illegal hard register unification. (conflict_hard_regs_p): Added definition. * toplev.c (rest_of_compilation): Added comment. From-SVN: r35384
README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. Check the INSTALL directory for detailed configuration and installation instructions. Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.