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ChangeLog.ptr
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2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
Merge mainline, revision 125733
2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
* tree-vrp.c (compare_values_warnv): Fix spelling/grammer
mistakes
(extract_range_from_binary_expr): Likewise.
* doc/c-tree.texi (POINTER_PLUS_EXPR): Likewise.
* tree-ssa-loop-niter.c (assert_loop_rolls_lt): Add vertical
whitespace.
* tree-pretty-print.c (op_symbol_code <case POINTER_PLUS_EXPR>):
Change print out to "+".
* tree-scalar-evolution.c (instantiate_parameters_1):
Use chrec_type instead of TREE_TYPE.
* builtins.c (expand_builtin_strcat): Fix vertical whitespace.
(std_expand_builtin_va_start): Fix whitespace.
(fold_builtin_strstr): Use size_int instead of build_int_cst (sizetype.
(fold_builtin_strchr): Likewise.
(fold_builtin_strrchr): Likewise.
(fold_builtin_strpbrk): Likewise.
* fold-const.c (try_move_mult_to_index): Fix spelling/grammer
mistakes.
(fold_to_nonsharp_ineq_using_bound): Merge the two ifs at the end.
(fold_binary): Fix spelling/grammer mistakes.
* tree-ssa-ccp.c (maybe_fold_stmt_addition): Assert that only
a POINTER_PLUS_EXPR is passed in.
* tree-ssa-loop-ivopts.c (determine_base_object):
Fix spelling/grammer mistakes.
* expr.c (expand_expr_real_1): Likewise.
* tree-data-ref.c (split_constant_offset): Likewise.
* c-typeck.c (build_unary_op): Use fold_convert instead of convert
for converting to sizetype.
* tree.def (POINTER_PLUS_EXPR): Fix comment.
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
Fix spelling/grammer mistakes.
(phiprop_insert_phi): Likewise.
* c-common.c (pointer_int_sum): Remove FIXME about
POINTER_MINUS_EXPR.
2007-06-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
* expr.c (expand_expr_real_1 <case POINTER_PLUS_EXPR>): Remove assert
for checking the modes of the operands are the same.
2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/sparc/sparc.c (sparc_gimplify_va_arg): Use POINTER_PLUS_EXPR
instead of PLUS_EXPR when the operand was a pointer. Don't create a
BIT_AND_EXPR for pointer types.
2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
for pointers.
(mips_gimplify_va_arg_expr): Likewise.
Don't create BIT_AND_EXPR in a pointer type.
2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
Merge mainline, revision 125658
2007-06-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
Merge mainline, revision 125611
2007-06-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
* matrix-reorg.c (collect_data_for_malloc_call): Stmt
will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
Offset only holds something for PLUS_EXPR.
(ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
a PLUS_EXPR.
(analyze_transpose): POINTER_PLUS_EXPR will only show up now
and not PLUS_EXPR.
(analyze_accesses_for_modify_stmt): Likewise.
Remove comment about the type being integral type as it is
wrong now.
(analyze_matrix_accesses): Handle POINTER_PLUS_EXPR as
PLUS_EXPR.
(transform_access_sites): POINTER_PLUS_EXPR will only show up now
and not PLUS_EXPR.
Correct the type which the artimentic is done in (is now
sizetype).
Reindent one loop.
2007-06-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/ia64/ia64.c (ia64_gimplify_va_arg): Use
POINTER_PLUS_EXPR for pointers and create the
BIT_AND_EXPR in sizetype.
* config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
for pointers instead of PLUS_EXPR.
(s390_gimplify_va_arg): Likewise.
2007-06-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
with make_tree, instead of a pointer type.
* config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
as PLUS_EXPR/MINUS_EXPR.
(hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
Don't use BIT_AND_EXPR on a pointer type, convert the
expression to sizetype first.
2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
* tree-ssa-forwprop.c
(forward_propagate_addr_into_variable_array_index):
Don't expect a statement for the size 1 case.
Use the offset variable for the size 1 case.
Look through use-def chains to find the mutliply
for the non size 1 case.
(forward_propagate_addr_expr_1): Call
forward_propagate_addr_into_variable_array_index with
the SSA_NAME instead of the statement.
2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/32225
* tree-scalar-evolution.c (follow_ssa_edge_in_rhs <case
POINTER_PLUS_EXPR>): Do not change type_rhs.
(follow_ssa_edge_in_rhs <case POINTER_PLUS_EXPR, case PLUS_EXPR>):
Use the code of the orginal expression instead of just PLUS_EXPR.
Also use type_rhs where TREE_TYPE (rhs) was used (reverting back
to the trunk).
2007-06-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
* tree-predcom.c (ref_at_iteration): If we have a pointer
type do the multiplication in sizetype.
2007-06-01 Andrew Pinski <andrew_pinski@playstation.sony.com>
Merge mainline, revision 125285
2007-05-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
* tree-vrp.c (extract_range_from_binary_expr): Handle
MIN_EXPR/MAX_EXPR for pointers type.
PR tree-opt/32167
* tree-chrec.c (chrec_fold_plus): When either
operand is zero, convert the other operand.
2007-05-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
* builtins.c (std_expand_builtin_va_start): Use
sizetype for the call to make_tree and then convert
to the pointer type.
2007-05-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-op/32145
* tree-vrp.c (extract_range_from_assert): Create
POINTER_PLUS_EXPR for pointer types.
PR tree-opt/32144
* tree-chrec.c (chrec_fold_plus_poly_poly): If the
first chrec is a pointer type, then the second should
be sizetype and not the first's type.
2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
* fold-const.c (try_move_mult_to_index):
Say why we strip the nops.
(fold_unary <case NOP_EXPR>): Remove
TODO as we cannot get that case.
* tree-chrec.c (chrec_fold_plus):
Cleanup the code to chose which
tree code is used.
(chrec_convert_rhs): Add comment on
why the increment is sizetype for
pointers.
* tree-mudflap.c (mf_xform_derefs_1):
Use size_int instead of build_int_cst.
* tree-ssa-loop-prefetch.c (issue_prefetch_ref): Likewise.
2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/32015
* tree.c (build2_stat): Make sure that
MULT_EXPR is not used with pointers.
* tree-chrec.c (chrec_apply): Use chrec_convert_rhs
on the argument x instead of chrec_convert.
2007-05-20 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.c (sh_va_start): Call make_tree with sizetype
and convert its result to a pointer type. Use POINTER_PLUS_EXPR
for the pointer additions and also use size_int for the offsets.
(sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
additions and also use size_int for the offsets. Perform
BIT_AND_EXPR on sizetype arguments.
2007-05-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
* tree-ssa-forwprop (forward_propagate_addr_into_variable_array_index):
Don't expect there to be a cast for the index as that
does not exist anymore.
(forward_propagate_addr_expr_1): Check for
POINTER_PLUS_EXPR instead of PLUS_EXPR.
Don't check for the first operand of the
POINTER_PLUS_EXPR was the index as it
cannot be.
2007-05-15 Richard Guenther <rguenther@suse.de>
* config/i386/i386.c (ix86_gimplify_va_arg): Use POINTER_PLUS_EXPR,
perform BIT_AND_EXPR on sizetype arguments.
2007-05-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
instead of PLUS_EXPR for pointer addition.
(rs6000_va_start): Likewise.
Also use sizetype for the offset.
* tree-stdarg.c (va_list_counter_bump): Check for PLUS_EXPR
and POINTER_PLUS_EXPR.
(check_va_list_escapes): Likewise.
2007-05-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
for the pointer addition and also use size_int/sizetype
for the offset.
(ix86_gimplify_va_arg): Likewise.
2007-05-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
Merge mainline, revision 124657
* tree-data-ref.c (split_constant_offset): Handle
POINTER_PLUS_EXPR
exactly the same as PLUS_EXPR/MINUS_EXPR except for the offset
needs to be calcuated using PLUS_EXPR instead of
POINTER_PLUS_EXPR.
* builtins.c (fold_builtin_memchr): Use POINTER_PLUS_EXPR
instead of PLUS_EXPR for adding to a pointer.
2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-ivopts.c (determine_base_object): Abort for PLUS_EXPR
in pointer type.
2007-05-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
* tree-ssa-address.c (tree_mem_ref_addr): When adding
the offset to the base, use POINTER_PLUS_EXPR.
2007-05-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
* expr.c (expand_expr_addr_expr_1): Call expand_expr
for the offset with the modifier as EXPAND_INITIALIZER
if the modifier is EXPAND_INITIALIZER.
(expand_expr_real_1 <case INTEGER_CST>): Don't force to
a register if we had an overflow.
2007-05-10 Andrew Pinski <andrew_pinski@playstation.sony.com>
Merge mainline, revision 124602.
* fold-const.c (extract_array_ref): Make sure the offset
is converted to sizetype.
(try_move_mult_to_index): Strip the NOPs from the offset.
(fold_binary <case POINTER_PLUS_EXPR>): Convert the second
operand to sizetype before calling try_move_mult_to_index.
* tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne):
For pointer types, use sizetype when
creating MINUS_EXPR/PLUS_EXPRs.
* tree-ssa-ccp.c (maybe_fold_stmt_indirect): Make sure
the offset is converted to sizetype.
2007-05-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
instead of PLUS_EXPR when doing addition on pointer
types. Use sizetype for the second operand.
(spu_gimplify_va_arg_expr): Likewise.
* tree-ssa.c (tree_ssa_useless_type_conversion_1):
Convert the MIN/MAX of the inner type to the outer
type before comparing them.
2007-05-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
Zdenek Dvorak <dvorakz@suse.cz>
* fold-const.c (fold_to_nonsharp_ineq_using_bound): Don't
use a pointer type for MINUS_EXPR.
(fold_binary <case MINUS_EXPR>): Fold (PTR0 p+ A) - (PTR1 p+ B)
into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
(PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
* tree-chrec.c (chrec_fold_plus_poly_poly): For
POINTER_PLUS_EXPR, use a different right hand side type.
Handle POINTER_PLUS_EXPR like PLUS_EXPR.
(chrec_fold_plus_1): Likewise.
(convert_affine_scev): Likewise.
(chrec_convert_aggressive): Likewise.
(chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
instead of PLUS_EXPR.
(reset_evolution_in_loop): For pointer types, the new_evol
should be sizetype.
(chrec_convert_rhs): New function.
* tree-chrec.h (chrec_convert_rhs): New prototype.
(build_polynomial_chrec): For pointer types, the right hand
side should be sizetype and not the same as the left hand side.
* tree-scalar-evolution.c (add_to_evolution_1): Convert the
increment using chrec_convert_rhs instead of chrec_convert.
(follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
PLUS_EXPR except for the right hand side's type will be
sizetype.
(interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
(fold_used_pointer_cast): Kill.
(pointer_offset_p): Kill.
(fold_used_pointer): Kill.
(pointer_used_p): Kill.
(analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
call fold_used_pointer.
(instantiate_parameters_1): Convert the increment
using chrec_convert_rhs instead of chrec_convert.
Handle POINTER_PLUS_EXPR as PLUS_EXPR.
* tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
POINTER_PLUS_EXPR as PLUS_EXPR.
(assert_loop_rolls_lt): For pointer types, use sizetype when
creating MINUS_EXPR/PLUS_EXPRs.
(number_of_iterations_le): Likewise.
(expand_simple_operations): POINTER_PLUS_EXPR are simple also.
(derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
like PLUS_EXPR and MINUS_EXPR.
* tree-data-ref.c (analyze_offset_expr): Likewise.
(address_analysis): Handle POINTER_PLUS_EXPR as PLUS_EXPR.
(analyze_offset): Handle POINTER_PLUS_EXPR also.
(create_data_ref): Convert the increment
using chrec_convert_rhs instead of chrec_convert.
* tree-vect-transform.c (vect_update_ivs_after_vectorizer):
For pointer types, create POINTER_PLUS_EXPR instead of
PLUS_EXPR and also create MULT_EXPR in sizetype.
2007-05-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
* builtins.c (std_gimplify_va_arg_expr): Use fold_build2 for
the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast
the operands to sizetype first and then cast the BIT_AND_EXPR
back to the pointer type.
* tree-ssa-address.c (create_mem_ref): Create A
POINTER_PLUS_EXPR for one case.
* tree.c (const_hash_1): Handle POINTER_PLUS_EXPR same as
PLUS_EXPR.
(compare_constant): Likewise.
(copy_constant): Likewise.
(compute_reloc_for_constant): Likewise.
(output_addressed_constants): Likewise.
2007-05-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
* tree.def (POINTER_PLUS_EXPR): The second operand
is of type sizetype and not ssizetype.
* doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
2007-05-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
* tree-mudflap.c (mf_xform_derefs_1 <case BIT_FIELD_REF>):
Add a conversion of ofs to sizetype.
(mf_decl_eligible_p): Reformat for length issues.
(mf_xform_derefs_1): Likewise.
2007-05-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
* tree.c (build2_stat): Check to make sure the
second operand is compatiable with sizetype.
2007-05-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
* tree-cfg.c (verify_expr): Change error
message about sizetype to be correct.
2007-05-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
Merge mainline, revision 124478.
* fold-const.c (fold_unary): Handle for (T1)(X op Y),
only p+ as that is the only as that can be handled for
binary operators now. Add a TODO for non pointer type
op's.
* gimplifier.c (gimplify_expr): Don't special case
PLUS_EXPR. Special case POINTER_PLUS_EXPR instead,
remove check for pointer type as it will always be
a pointer type now.
2007-05-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
* tree-vrp.c (extract_range_from_binary_expr): Handle
POINTER_PLUS_EXPRs. Assert POINTER_PLUS_EXPR is
the only expression for pointer types.
* tree-vect-transform.c (vect_gen_niters_for_prolog_loop):
Add a cast when creating byte_misalign.
2007-05-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
* fold-const.c (fold_binary <case POINTER_PLUS_EXPR>);
Add comment on why you get INT +p INT.
(fold_binary <case PLUS_EXPR>): Add folding of PTR+INT into
PTR p+ INT.
* dwarf2out.c (loc_descriptor_from_tree_1):
Handle POINT_PLUS_EXPR as a PLUS_EXPR.
2007-05-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
* tree-vrp.c (compare_values_warnv): Convert val2 to
the type of val1.
* fold-const.c (extract_array_ref): Look for
POINTER_PLUS_EXPR instead of PLUS_EXPR's.
* tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
* c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
instead of PLUS_EXPR of pointer types.
2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
* fold-const.c (try_move_mult_to_index): Remove code argument
and replace all uses with PLUS_EXPR.
(fold_binary <case POINTER_PLUS_EXR>): Remove code argument.
(fold_binary <case PLUS_EXPR>): Don't call try_move_mult_to_index.
(fold_binary <case MINUS_EXPR>): Likewise.
* tree-ssa-ccp.c (maybe_fold_stmt_indirect): Remove subtraction
case as it is always addition now.
(fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
2007-05-01 Andrew Pinski <andrew_pinski@playstation.sony.com>
Merge mainline, revision 124343.
* tree-vect-transform.c (bump_vector_ptr): Create a POINTER_PLUS_EXPR
instead of PLUS_EXPR for the pointer increment statement.
* expr.c (expand_expr_real_1): Add FIXME/assert for the unhandle case
where the modes of the two operands are different.
2007-02-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
Merge mainline, revision 122323.
2006-12-14 Zdenek Dvorak <dvorakz@suse.cz>
Merge mainline, revision 119860.
2006-11-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
* tree.def (POINTER_PLUS_EXPR): New tree code.
* tree-pretty-print.c (dump_generic_node): Handle
POINTER_PLUS_EXPR.
(op_prio): Likewise.
(op_symbol_1): Likewise.
* optabs.c (optab_for_tree_code): Likewise.
* tree-ssa-loop-manip.c (create_iv): Handle pointer base
specially.
* tree-tailcall.c (process_assignment): Mention
POINTER_PLUS_EXPR in a TODO comment.
* tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
not used with a pointer and an integer type.
* tree-scalar-evolution.c (fold_used_pointer): Mention
POINTER_PLUS_EXPR is what this needs to handle.
* builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
instead of PLUS_EXPR.
(expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
PLUS_EXPR for pointers.
(std_gimplify_va_arg_expr): Likewise.
(fold_builtin_memory_op): Likewise.
(fold_builtin_strstr): Likewise.
(fold_builtin_strchr): Likewise.
(fold_builtin_strrchr): Likewise.
(fold_builtin_strpbrk): Likewise.
(expand_builtin_memory_chk): Likewise.
(fold_builtin_memory_chk): Likewise.
* fold-const.c (build_range_check): Handle pointer types
specially.
(fold_to_nonsharp_ineq_using_bound): Likewise.
(fold_binary): Handle simple POINTER_PLUS_EXPR cases.
(tree_expr_nonnegative_p): Handle POINTER_PLUS_EXPR.
(tree_expr_nonzero_p): Likewise.
(fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
of PLUS_EXPR for the complex expression folding.
* tree-ssa-loop-ivopts.c (determine_base_object): Handle
POINTER_PLUS_EXPR.
(tree_to_aff_combination): Likewise.
(force_expr_to_var_cost): Likewise.
(force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
instead of PLUS_EXPR for pointers.
* c-format.c (check_format_arg): Mention this should be handling
POINTER_PLUS_EXPR.
* tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
instead of PLUS_EXPR.
(check_va_list_escapes): Likewise.
(check_all_va_list_escapes): Likewise.
* expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
(string_constant): Likewise.
* tree-ssa-address.c (add_to_parts): Create a POINTER_PLUS_EXPR
instead of PLUS_EXPR for pointers.
(most_expensive_mult_to_index): Likewise.
(addr_to_parts): Use the correct type for the index.
* c-typeck.c (build_unary_op): For pointers create the increment
as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
for pointers.
* gimplify.c (gimplify_self_mod_expr): Create a
POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
(gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
* tree-mudflap.c (mf_xform_derefs_1): Create a
POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Add a
note this should be handling POINTER_PLUS_EXPR.
* varasm.c (initializer_constant_valid_p): Handle
POINTER_PLUS_EXPR.
* tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
POINTER_PLUS_EXPR instead of PLUS_EXPR.
(issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
of PLUS_EXPR for pointers.
* tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
Likewise.
* tree-inline.c (estimate_num_insns_1): Handle
POINTER_PLUS_EXPR.
* tree-object-size.c (plus_expr_object_size): Handle
POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra
code which is trying to figure out which side is a pointer and
is the index.
(check_for_plus_in_loops_1): Likewise.
(check_for_plus_in_loops): Likewise.
* c-common.c (pointer_int_sum): Create a
POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
* tree-ssa-structalias.c (handle_ptr_arith): Handle
only POINTER_PLUS_EXPR. Removing all the extra
code which is trying to figure out which side is a pointer and
is the index.
* tree-cfg.c (verify_expr): Add extra checking for pointers and
PLUS_EXPR and MINUS_EXPR.
Also add checking to make sure the operands of POINTER_PLUS_EXPR
are correct.