regmove.c: Remove.

2013-10-30  Vladimir Makarov  <vmakarov@redhat.com>

	* regmove.c: Remove.
	* tree-pass.h (make_pass_regmove): Remove.
	* timevar.def (TV_REGMOVE): Remove.
	* passes.def (pass_regmove): Remove.
	* opts.c (default_options_table): Remove entry for regmove.
	* doc/passes.texi: Remove regmove pass description.
	* doc/invoke.texi (-foptimize-register-move, -fregmove): Remove
	options.
	(-fdump-rtl-regmove): Ditto.
	* common.opt (foptimize-register-move, fregmove): Ignore.
	* Makefile.in (OBJS): Remove regmove.o.
	* regmove.c: Remove.
	* ira-int.h (struct ira_allocno_pref, ira_pref_t): New structure
	and type.
	(struct ira_allocno) New member allocno_prefs.
	(ALLOCNO_PREFS): New macro.
	(ira_prefs, ira_prefs_num): New external vars.
	(ira_setup_alts, ira_get_dup_out_num, ira_debug_pref): New
	prototypes.
	(ira_debug_prefs, ira_debug_allocno_prefs, ira_create_pref):
	Ditto.
	(ira_add_allocno_pref, ira_remove_pref, ira_remove_allocno_prefs):
	Ditto.
	(ira_add_allocno_copy_to_list): Remove prototype.
	(ira_swap_allocno_copy_ends_if_necessary): Ditto.
	(ira_pref_iterator): New type.
	(ira_pref_iter_init, ira_pref_iter_cond): New functions.
	(FOR_EACH_PREF): New macro.
	* ira.c (commutative_constraint_p): Move from ira-conflicts.c.
	(ira_get_dup_out_num): Ditto. Rename from get_dup_num.  Modify the
	code.
	(ira_setup_alts): New function.
	(decrease_live_ranges_number): New function.
	(ira): Call the above function.
	* ira-build.c (ira_prefs, ira_prefs_num): New global vars.
	(ira_create_allocno): Initialize allocno prefs.
	(pref_pool, pref_vec): New static vars.
	(initiate_prefs, find_allocno_pref, ira_create_pref): New
	functions.
	(add_allocno_pref_to_list, ira_add_allocno_pref, print_pref): Ditto.
	(ira_debug_pref, print_prefs, ira_debug_prefs): Ditto.
	(print_allocno_prefs, ira_debug_allocno_prefs, finish_pref): Ditto.
	(ira_remove_pref, ira_remove_allocno_prefs, finish_prefs): Ditto.
	(ira_add_allocno_copy_to_list): Make static.  Rename to
	add_allocno_copy_to_list.
	(ira_swap_allocno_copy_ends_if_necessary): Make static.  Rename to
	swap_allocno_copy_ends_if_necessary.
	(remove_unnecessary_allocnos, remove_low_level_allocnos): Call
	ira_remove_allocno_prefs.
	(ira_flattening): Ditto.
	(ira_build): Call initiate_prefs, print_prefs.
	(ira_destroy): Call finish_prefs.
	* ira-color.c (struct update_cost_record): New.
	(struct allocno_color_data): Add new member update_cost_records.
	(update_cost_record_pool): New static var.
	(init_update_cost_records, get_update_cost_record): New functions.
	(free_update_cost_record_list, finish_update_cost_records): Ditto.
	(struct update_cost_queue_elem): Add member from.
	(initiate_cost_update): Call init_update_cost_records.
	(finish_cost_update): Call finish_update_cost_records.
	(queue_update_cost, get_next_update_cost): Add new param from.
	(Update_allocno_cost, update_costs_from_allocno): New functions.
	(update_costs_from_prefs): Ditto.
	(update_copy_costs): Rename to update_costs_from_copies.
	(restore_costs_from_copies): New function.
	(update_conflict_hard_regno_costs): Don't go back.
	(assign_hard_reg): Call restore_costs_from_copies.  Add printing
	more debug info.
	(pop_allocnos): Add priniting more debug info.
	(color_allocnos): Remove prefs for conflicting hard regs.
	Call update_costs_from_prefs.
	* ira-conflicts.c (commutative_constraint_p): Move to ira.c
	(get_dup_num): Rename, modify, and move to ira.c
	(process_regs_for_copy): Add prefs.
	(add_insn_allocno_copies): Put src as first arg of
	process_regs_for_copy.  Remove dead code.  Call ira_setup_alts.
	* ira-costs.c (record_reg_classes): Modify and move code into
	record_operands_costs.
	(find_costs_and_classes): Create prefs for the hard reg of small
	reg class.
	(process_bb_node_for_hard_reg_moves): Add prefs.

2013-10-30  Vladimir Makarov  <vmakarov@redhat.com>

	* gcc.target/i386/fma_double_3.c: Use pattern for
	scan-assembler-times instead of just one insn name.
	* gcc.target/i386/fma_double_5.c: Ditto.
	* gcc.target/i386/fma_float_3.c: Ditto.
	* gcc.target/i386/fma_float_5.c: Ditto.
	* gcc.target/i386/l_fma_double_1.c: Ditto.
	* gcc.target/i386/l_fma_double_2.c: Ditto.
	* gcc.target/i386/l_fma_double_3.c: Ditto.
	* gcc.target/i386/l_fma_double_4.c: Ditto.
	* gcc.target/i386/l_fma_double_5.c: Ditto.
	* gcc.target/i386/l_fma_double_6.c: Ditto.
	* gcc.target/i386/l_fma_float_1.c: Ditto.
	* gcc.target/i386/l_fma_float_2.c: Ditto.
	* gcc.target/i386/l_fma_float_3.c: Ditto.
	* gcc.target/i386/l_fma_float_4.c: Ditto.
	* gcc.target/i386/l_fma_float_5.c: Ditto.
	* gcc.target/i386/l_fma_float_6.c: Ditto.

From-SVN: r204212

2 files changed, 2 insertions, 34 deletions

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index ab25922..233338b 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -388,13 +388,13 @@ Objective-C and Objective-C++ Dialects}.
 -fno-inline -fno-math-errno -fno-peephole -fno-peephole2 @gol
 -fno-sched-interblock -fno-sched-spec -fno-signed-zeros @gol
 -fno-toplevel-reorder -fno-trapping-math -fno-zero-initialized-in-bss @gol
--fomit-frame-pointer -foptimize-register-move -foptimize-sibling-calls @gol
+-fomit-frame-pointer -foptimize-sibling-calls @gol
 -fpartial-inlining -fpeel-loops -fpredictive-commoning @gol
 -fprefetch-loop-arrays -fprofile-report @gol
 -fprofile-correction -fprofile-dir=@var{path} -fprofile-generate @gol
 -fprofile-generate=@var{path} @gol
 -fprofile-use -fprofile-use=@var{path} -fprofile-values @gol
--freciprocal-math -free -fregmove -frename-registers -freorder-blocks @gol
+-freciprocal-math -free -frename-registers -freorder-blocks @gol
 -freorder-blocks-and-partition -freorder-functions @gol
 -frerun-cse-after-loop -freschedule-modulo-scheduled-loops @gol
 -frounding-math -fsched2-use-superblocks -fsched-pressure @gol
@@ -5822,10 +5822,6 @@ Dump after post-reload optimizations.
 @opindex fdump-rtl-pro_and_epilogue
 Dump after generating the function prologues and epilogues.
 
-@item -fdump-rtl-regmove
-@opindex fdump-rtl-regmove
-Dump after the register move pass.
-
 @item -fdump-rtl-sched1
 @itemx -fdump-rtl-sched2
 @opindex fdump-rtl-sched1
@@ -6738,7 +6734,6 @@ also turns on the following optimization flags:
 -foptimize-sibling-calls @gol
 -fpartial-inlining @gol
 -fpeephole2 @gol
--fregmove @gol
 -freorder-blocks  -freorder-functions @gol
 -frerun-cse-after-loop  @gol
 -fsched-interblock  -fsched-spec @gol
@@ -7262,20 +7257,6 @@ registers after writing to their lower 32-bit half.
 
 Enabled for x86 at levels @option{-O2}, @option{-O3}.
 
-@item -foptimize-register-move
-@itemx -fregmove
-@opindex foptimize-register-move
-@opindex fregmove
-Attempt to reassign register numbers in move instructions and as
-operands of other simple instructions in order to maximize the amount of
-register tying.  This is especially helpful on machines with two-operand
-instructions.
-
-Note @option{-fregmove} and @option{-foptimize-register-move} are the same
-optimization.
-
-Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}.
-
 @item -fira-algorithm=@var{algorithm}
 Use the specified coloring algorithm for the integrated register
 allocator.  The @var{algorithm} argument can be @samp{priority}, which
diff --git a/gcc/doc/passes.texi b/gcc/doc/passes.texi
index 073f899..3ed9a4f 100644
--- a/gcc/doc/passes.texi
+++ b/gcc/doc/passes.texi
@@ -823,14 +823,6 @@ RTL expressions for the instructions by substitution, simplifies the
 result using algebra, and then attempts to match the result against
 the machine description.  The code is located in @file{combine.c}.
 
-@item Register movement
-
-This pass looks for cases where matching constraints would force an
-instruction to need a reload, and this reload would be a
-register-to-register move.  It then attempts to change the registers
-used by the instruction to avoid the move instruction.  The code is
-located in @file{regmove.c}.
-
 @item Mode switching optimization
 
 This pass looks for instructions that require the processor to be in a
@@ -869,11 +861,6 @@ them on the stack.  This is done in several subpasses:
 
 @itemize @bullet
 @item
-Register move optimizations.  This pass makes some simple RTL code
-transformations which improve the subsequent register allocation.  The
-source file is @file{regmove.c}.
-
-@item
 The integrated register allocator (@acronym{IRA}).  It is called
 integrated because coalescing, register live range splitting, and hard
 register preferencing are done on-the-fly during coloring.  It also