r197217 - in /trunk/gcc: fortran/ChangeLog fort...

[tkoenig@gcc.gnu.org]

Author: tkoenig
Date: Thu Mar 28 21:30:26 2013
New Revision: 197217

URL: http://gcc.gnu.org/viewcvs?rev=197217&root=gcc&view=rev
Log:
2013-03-28  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/45159
	* gfortran.h (gfc_dep_difference):  Add prototype.
	* dependency.c (discard_nops):  New function.
	(gfc_dep_difference):  New function.
	(check_section_vs_section):  Use gfc_dep_difference
	to calculate the difference of starting indices.
	* trans-expr.c (gfc_conv_substring):  Use
	gfc_dep_difference to calculate the length of
	substrings where possible.

2013-03-28  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/45159
	* gfortran.dg/string_length_2.f90:  New test.
	* gfortran.dg/dependency_41.f90:  New test.


Added:
    trunk/gcc/testsuite/gfortran.dg/dependency_41.f90
    trunk/gcc/testsuite/gfortran.dg/string_length_2.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/dependency.c
    trunk/gcc/fortran/gfortran.h
    trunk/gcc/fortran/trans-expr.c
    trunk/gcc/testsuite/ChangeLog