r252208 - in /branches/range-gen2/gcc: ChangeLo...

[aldyh@gcc.gnu.org]

Author: aldyh
Date: Wed Sep 13 16:10:58 2017
New Revision: 252208

URL: https://gcc.gnu.org/viewcvs?rev=252208&root=gcc&view=rev
Log:
	PR tree-optimization/81588
	* tree-ssa-reassoc.c (optimize_range_tests_var_bound): If
	ranges[i].in_p, invert comparison code ccode.  For >/>=,
	swap rhs1 and rhs2 and comparison code unconditionally,
	for </<= don't do that.  Don't swap rhs1/rhs2 again if
	ranges[i].in_p, instead invert comparison code ccode if
	opcode or oe->rank is BIT_IOR_EXPR.

	* gcc.dg/tree-ssa/pr81588.c: New test.
	* gcc.dg/pr81588.c: New test.
	* gcc.c-torture/execute/pr81588.c: New test.

Added:
    branches/range-gen2/gcc/testsuite/gcc.c-torture/execute/pr81588.c
    branches/range-gen2/gcc/testsuite/gcc.dg/pr81588.c
    branches/range-gen2/gcc/testsuite/gcc.dg/tree-ssa/pr81588.c
Modified:
    branches/range-gen2/gcc/ChangeLog
    branches/range-gen2/gcc/testsuite/ChangeLog
    branches/range-gen2/gcc/tree-ssa-reassoc.c