poly_int: MEM_REF offsets
authorRichard Sandiford <richard.sandiford@linaro.org>
Thu, 21 Dec 2017 07:02:13 +0000 (07:02 +0000)
committerRichard Sandiford <rsandifo@gcc.gnu.org>
Thu, 21 Dec 2017 07:02:13 +0000 (07:02 +0000)
commitaca52e6f8d29064f4712e5f3f4429a36f918f099
tree45c2884952716e83f81ee8162585cbf16e06bf73
parent3fed2ce96f7ec8ee8603b33ba0426ac40acecf24
poly_int: MEM_REF offsets

This patch allows MEM_REF offsets to be polynomial, with mem_ref_offset
now returning a poly_offset_int instead of an offset_int.  The
non-mechanical changes to callers of mem_ref_offset were handled by
previous patches.

2017-12-21  Richard Sandiford  <richard.sandiford@linaro.org>
    Alan Hayward  <alan.hayward@arm.com>
    David Sherwood  <david.sherwood@arm.com>

gcc/
* fold-const.h (mem_ref_offset): Return a poly_offset_int rather
than an offset_int.
* tree.c (mem_ref_offset): Likewise.
(build_simple_mem_ref_loc): Treat MEM_REF offsets as poly_ints.
* builtins.c (get_object_alignment_2): Likewise.
* expr.c (get_inner_reference, expand_expr_real_1): Likewise.
* gimple-fold.c (get_base_constructor): Likewise.
* gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
* gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref):
Likewise.
* ipa-polymorphic-call.c
(ipa_polymorphic_call_context::ipa_polymorphic_call_context): Likewise.
* ipa-prop.c (compute_complex_assign_jump_func): Likewise.
(get_ancestor_addr_info): Likewise.
* ipa-param-manipulation.c (ipa_get_adjustment_candidate): Likewise.
* match.pd: Likewise.
* tree-data-ref.c (dr_analyze_innermost): Likewise.
* tree-dfa.c (get_addr_base_and_unit_offset_1): Likewise.
* tree-eh.c (tree_could_trap_p): Likewise.
* tree-object-size.c (addr_object_size): Likewise.
* tree-ssa-address.c (copy_ref_info): Likewise.
* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
(indirect_refs_may_alias_p): Likewise.
* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
* tree-ssa.c (maybe_rewrite_mem_ref_base): Likewise.
(non_rewritable_mem_ref_base): Likewise.
* tree-vect-data-refs.c (vect_check_gather_scatter): Likewise.
* tree-vrp.c (vrp_prop::check_array_ref): Likewise.
* varasm.c (decode_addr_const): Likewise.

Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r255930
23 files changed:
gcc/ChangeLog
gcc/builtins.c
gcc/expr.c
gcc/fold-const.h
gcc/gimple-fold.c
gcc/gimple-ssa-strength-reduction.c
gcc/gimple-ssa-warn-restrict.c
gcc/ipa-param-manipulation.c
gcc/ipa-polymorphic-call.c
gcc/ipa-prop.c
gcc/match.pd
gcc/tree-data-ref.c
gcc/tree-dfa.c
gcc/tree-eh.c
gcc/tree-object-size.c
gcc/tree-ssa-address.c
gcc/tree-ssa-alias.c
gcc/tree-ssa-sccvn.c
gcc/tree-ssa.c
gcc/tree-vect-data-refs.c
gcc/tree-vrp.c
gcc/tree.c
gcc/varasm.c