r221713 - in /branches/gcc-4_8-branch/gcc: Chan...

[wschmidt@gcc.gnu.org]

Author: wschmidt
Date: Thu Mar 26 22:35:25 2015
New Revision: 221713

URL: https://gcc.gnu.org/viewcvs?rev=221713&root=gcc&view=rev
Log:
[gcc]

2015-03-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport of r214242, r214254, and bug fix patches from mainline
	* config/rs6000/rs6000.c (tree-pass.h): New #include.
	(rs6000_analyze_swaps): New declaration.
	(gate_analyze_swaps): New function.
	(execute_analyze_swaps): Likewise.
	(pass_analyze_swaps): New struct rtl_opt_pass.
	(rs6000_option_override): Register swap-optimization pass.
	(swap_web_entry): New class.
	(special_handling_values): New enum.
	(union_defs): New function.
	(union_uses): Likewise.
	(insn_is_load_p): Likewise.
	(insn_is_store_p): Likewise.
	(insn_is_swap_p): Likewise.
	(rtx_is_swappable_p): Likewise.
	(insn_is_swappable_p): Likewise.
	(chain_purpose): New enum.
	(chain_contains_only_swaps): New function.
	(mark_swaps_for_removal): Likewise.
	(swap_const_vector_halves): Likewise.
	(adjust_subreg_index): Likewise.
	(permute_load): Likewise.
	(permute_store): Likewise.
	(adjust_extract): Likewise.
	(adjust_splat): Likewise.
	(handle_special_swappables): Likewise.
	(replace_swap_with_copy): Likewise.
	(dump_swap_insn_table): Likewise.
	(rs6000_analyze_swaps): Likewise.
	* config/rs6000/rs6000.opt (moptimize-swaps): New option.
	* df.h (web_entry_base): New class, replacing struct web_entry.
	(web_entry_base::pred): New method.
	(web_entry_base::set_pred): Likewise.
	(web_entry_base::unionfind_root): Likewise.
	(web_entry_base::unionfind_union): Likewise.
	(unionfind_root): Delete external reference.
	(unionfind_union): Likewise.
	(union_defs): Likewise.
	* web.c (web_entry_base::unionfind_root): Convert to method.
	(web_entry_base::unionfind_union): Likewise.
	(web_entry): New class.
	(union_match_dups): Convert to use class structure.
	(union_defs): Likewise.
	(entry_register): Likewise.
	(web_main): Likewise.


[gcc/testsuite]

2015-03-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport r214254 and related tests from mainline
	* gcc.target/powerpc/swaps-p8-1.c: New test.
	* gcc.target/powerpc/swaps-p8-3.c: New test.
	* gcc.target/powerpc/swaps-p8-4.c: New test.
	* gcc.target/powerpc/swaps-p8-5.c: New test.
	* gcc.target/powerpc/swaps-p8-6.c: New test.
	* gcc.target/powerpc/swaps-p8-7.c: New test.
	* gcc.target/powerpc/swaps-p8-8.c: New test.
	* gcc.target/powerpc/swaps-p8-9.c: New test.
	* gcc.target/powerpc/swaps-p8-10.c: New test.
	* gcc.target/powerpc/swaps-p8-11.c: New test.
	* gcc.target/powerpc/swaps-p8-12.c: New test.
	* gcc.target/powerpc/swaps-p8-13.c: New test.
	* gcc.target/powerpc/swaps-p8-15.c: New test.
	* gcc.target/powerpc/swaps-p8-17.c: New test.


Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/swaps-p8-1.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/swaps-p8-10.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/swaps-p8-11.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/swaps-p8-12.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/swaps-p8-13.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/swaps-p8-15.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/swaps-p8-17.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/swaps-p8-3.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/swaps-p8-4.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/swaps-p8-5.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/swaps-p8-6.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/swaps-p8-7.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/swaps-p8-8.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/powerpc/swaps-p8-9.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/config/rs6000/rs6000.c
    branches/gcc-4_8-branch/gcc/config/rs6000/rs6000.opt
    branches/gcc-4_8-branch/gcc/df.h
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/gcc/web.c