r251279 - in /trunk/gcc: ChangeLog testsuite/Ch...

[law@gcc.gnu.org]

Author: law
Date: Tue Aug 22 15:13:09 2017
New Revision: 251279

URL: https://gcc.gnu.org/viewcvs?rev=251279&root=gcc&view=rev
Log:
	PR tree-optimization/81741
	PR tree-optimization/71947
	* tree-ssa-dom.c: Include tree-inline.h.
	(record_temporary_equivalences): Only record SSA_NAME = SSA_NAME
	equivalences if one is more expensive to compute than the other.
	* tree-ssa-scopedtables.h (class const_or_copies): Make
	record_const_or_copy_raw method private.
	(class avail_exprs_stack): New method simplify_binary_operation.
	* tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr): Call
	avail_exprs_stack::simplify_binary_operation as needed.
	(avail_exprs_stack::simplify_binary_operation): New function.

	PR tree-optimization/81741
	PR tree-optimization/71947
	* gcc.dg/tree-ssa/pr81741.c: New test.
	* gcc.dg/tree-ssa/pr71947-7.c: New test.
	* gcc.dg/tree-ssa/pr71947-8.c: New test.
	* gcc.dg/tree-ssa/pr71947-9.c: New test.
	* gcc.dg/tree-ssa/pr71941-1.c: Tweak expected output.
	* gcc.dg/tree-ssa/pr71941-2.c: Tweak expected output.
	* gcc.dg/tree-ssa/pr71941-3.c: Tweak expected output.
	* gcc.dg/tree-ssa/20030922-2.c: xfail.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr71947-7.c
      - copied, changed from r251276, trunk/gcc/testsuite/gcc.dg/tree-ssa/pr71947-2.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr71947-8.c
      - copied, changed from r251276, trunk/gcc/testsuite/gcc.dg/tree-ssa/pr71947-2.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr71947-9.c
      - copied, changed from r251276, trunk/gcc/testsuite/gcc.dg/tree-ssa/pr71947-2.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr81741.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/tree-ssa/20030922-2.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr71947-1.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr71947-2.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr71947-3.c
    trunk/gcc/tree-ssa-dom.c
    trunk/gcc/tree-ssa-scopedtables.c
    trunk/gcc/tree-ssa-scopedtables.h