From d9cf932c33070383b9e4f9917ecee76a28e762aa Mon Sep 17 00:00:00 2001 From: Vladimir Makarov Date: Thu, 13 Nov 2014 03:02:49 +0000 Subject: common.opt (flra-remat): New. 2014-11-12 Vladimir Makarov * common.opt (flra-remat): New. * opts.c (default_options_table): Add entry for flra_remat. * timevar_def (TV_LRA_REMAT): New. * doc/invoke.texi (-flra-remat): Add description of the new option. * doc/passes.texi (-flra-remat): Remove lra-equivs.c and lra-saves.c. Add lra-remat.c. * Makefile.in (OBJS): Add lra-remat.o. * lra-remat.c: New file. * lra.c: Add info about the rematerialization pass in the top comment. (collect_non_operand_hard_regs, add_regs_to_insn_regno_info): Process unallocatable regs too. (lra_constraint_new_insn_uid_start): Remove. (lra): Add code for calling rematerialization sub-pass. * lra-int.h (lra_constraint_new_insn_uid_start): Remove. (lra_constrain_insn, lra_remat): New prototypes. (lra_eliminate_regs_1): Add parameter. * lra-lives.c (make_hard_regno_born, make_hard_regno_dead): Process unallocatable hard regs too. (process_bb_lives): Ditto. * lra-spills.c (remove_pseudos): Add argument to lra_eliminate_regs_1 call. * lra-eliminations.c (lra_eliminate_regs_1): Add parameter. Use it for sp offset calculation. (lra_eliminate_regs): Add argument for lra_eliminate_regs_1 call. (eliminate_regs_in_insn): Add parameter. Use it for sp offset calculation. (process_insn_for_elimination): Add argument for eliminate_regs_in_insn call. * lra-constraints.c (get_equiv_with_elimination): Add argument for lra_eliminate_regs_1 call. (process_addr_reg): Add parameter. Use it. (process_address_1): Ditto. Add argument for process_addr_reg call. (process_address): Ditto. (curr_insn_transform): Add parameter. Use it. Add argument for process_address calls. (lra_constrain_insn): New function. (lra_constraints): Add argument for curr_insn_transform call. From-SVN: r217458 --- gcc/common.opt | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'gcc/common.opt') diff --git a/gcc/common.opt b/gcc/common.opt index 784a4b0..1a58cfb 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -1551,6 +1551,10 @@ floop-optimize Common Ignore Does nothing. Preserved for backward compatibility. +flra-remat +Common Report Var(flag_lra_remat) Optimization +Do CFG-sensitive rematerialization in LRA + flto Common Enable link-time optimization. -- cgit v1.1