2009-07-23 Paul Thomas <pault@gcc.gnu.org>
PR fortran/24524
* trans-array.c (gfc_init_loopinfo): Initialize the reverse
field.
gfc_trans_scalarized_loop_end: If reverse set in dimension n,
reverse the scalarization loop.
gfc_conv_resolve_dependencies: Pass the reverse field of the
loopinfo to gfc_dep_resolver.
trans-expr.c (gfc_trans_assignment_1): Enable loop reversal for
assignment by resetting loop.reverse.
gfortran.h : Add the gfc_reverse enum.
trans.h : Add the reverse field to gfc_loopinfo.
dependency.c (gfc_check_dependency): Pass null to the new arg
of gfc_dep_resolver.
(gfc_check_section_vs_section): Check for reverse dependencies.
(gfc_dep_resolver): Add reverse argument and deal with the loop
reversal logic.
dependency.h : Modify prototype for gfc_dep_resolver to include
gfc_reverse *.
From-SVN: r162462
