r229825 - in /trunk/gcc: ChangeLog testsuite/Ch...

[alalaw01@gcc.gnu.org]

Author: alalaw01
Date: Thu Nov  5 18:39:38 2015
New Revision: 229825

URL: https://gcc.gnu.org/viewcvs?rev=229825&root=gcc&view=rev
Log:
[PATCH] tree-scalar-evolution.c: Handle LSHIFT by constant

gcc/:

	PR tree-optimization/65963
	* tree-scalar-evolution.c (interpret_rhs_expr): Try to handle
	LSHIFT_EXPRs as equivalent unsigned MULT_EXPRs.

gcc/testsuite/:

	* gcc.dg/pr68112.c: New.
	* gcc.dg/vect/vect-strided-shift-1.c: New.

Added:
    trunk/gcc/testsuite/gcc.dg/pr68112.c
    trunk/gcc/testsuite/gcc.dg/vect/vect-strided-shift-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-scalar-evolution.c