2011-02-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/47615
* tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
* tree-ssa-sccvn.c (default_vn_walk_kind): New global.
(run_scc_vn): Initialize it.
(visit_reference_op_load): Use it.
* tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
* g++.dg/opt/pr47615.C: New testcase.
From-SVN: r169888
2011-02-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/47621
* tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
two duplicates ...
(execute_update_addresses_taken): ... here. Make it more
conservative in what we accept.
* gcc.dg/torture/pr47621.c: New testcase.
From-SVN: r169881
2011-02-07 Kai Tietz <kai.tietz@onevision.com>
PR lto/47225
* Makefile.am (Wl): New helper for encoding -Wl,.
(liblto_plugin_la_LIBADD): Use -Wl for libiberty library.
* Makefile.in: Regenerated.
From-SVN: r169877
2011-02-06 Paul Thomas <pault@gcc.gnu.org>
PR fortran/47592
* trans-stmt.c (gfc_trans_allocate): For deferred character
length allocations with SOURCE, store to the values and string
length to avoid calculating twice. Replace gfc_start_block
with gfc_init_block to avoid unnecessary contexts and to keep
declarations of temporaries where they should be. Tidy up the
code a bit.
2011-02-06 Paul Thomas <pault@gcc.gnu.org>
PR fortran/47592
* gfortran.dg/allocate_with_source_1 : New test.
From-SVN: r169862
* doc/invoke.texi: Remove reference to compiler internals from
user documentation.
* reg-notes.def: Remove REG_VALUE_PROFILE.
* combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
From-SVN: r169861
PR middle-end/47610
* varasm.c (default_section_type_flags): If decl is NULL,
and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO
bit.
* gcc.dg/pr47610.c: New test.
From-SVN: r169855
2011-02-05 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/47567
* io/write_float.def (output_float): Eliminate some redundant code.
Adjust width for case of F0.X for values of zero and all other values.
Expand cases where '*' is set to give cleaner results.
From-SVN: r169853
PR debug/42631
* web.c (entry_register): Don't clobber the number of the
first uninitialized reference in used[].
testsuite/
PR debug/42631
* gcc.dg/pr42631.c: Update test.
* gcc.dg/pr42631-2.c: New test.
From-SVN: r169851
2011-02-04 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/46194
* tree-data-ref.c (analyze_miv_subscript): Remove comment.
(build_classic_dist_vector_1): Do not represent classic distance
vectors when the access functions are variating in different loops.
* gcc.dg/autopar/pr46194.c: New.
From-SVN: r169847
PR inline-asm/23200
* tree-ssa-ter.c (is_replaceable_p): Add TER argument. Don't
do bb, locus and block comparison and disallow loads if it is
not set.
(stmt_is_replaceable_p): New function.
(process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
callers.
* expr.c (expand_expr_real_1) <case SSA_NAME>: If
get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
SSA_NAME_DEF_STMT.
* tree-flow.h (stmt_is_replaceable_p): New prototype.
* gcc.dg/pr23200.c: New test.
From-SVN: r169831
PR middle-end/31490
* output.h (SECTION_RELRO): Define.
(SECTION_MACH_DEP): Adjust.
(get_variable_section): New prototype.
* varpool.c (varpool_finalize_named_section_flags): New function.
(varpool_assemble_pending_decls): Call it.
* cgraph.h (varpool_finalize_named_section_flags): New prototype.
* cgraphunit.c (cgraph_output_in_order): Call
varpool_finalize_named_section_flags.
* varasm.c (get_section): Allow section flags conflicts between
relro and read-only sections if the section hasn't been declared yet.
Set SECTION_OVERRIDE after diagnosing section type conflict.
(get_variable_section): No longer static.
(default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
readonly sections that need relocations.
(decl_readonly_section_1): New function.
(decl_readonly_section): Use it.
Revert:
2010-11-17 Dinar Temirbulatov <dtemirbulatov@gmail.com>
Steve Ellcey <sje@cup.hp.com>
PR middle-end/31490
* varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
if section attribute used.
* gcc.dg/pr31490-2.c: New test.
* gcc.dg/pr31490-3.c: New test.
* gcc.dg/pr31490-4.c: New test.
From-SVN: r169804
