PR sanitizer/58413
c-family/
* c-ubsan.c (ubsan_instrument_shift): Don't instrument
an expression if we can prove it is correct.
(ubsan_instrument_division): Likewise. Remove unnecessary
check.
testsuite/
* c-c++-common/ubsan/shift-5.c: New test.
* c-c++-common/ubsan/shift-6.c: New test.
* c-c++-common/ubsan/div-by-zero-5.c: New test.
* gcc.dg/ubsan/c-shift-1.c: New test.
Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r202886
PR middle-end/57134
PR middle-end/57586
* stmt.c (expand_asm_operands): Call expand_expr with
EXPAND_MEMORY for output operands that disallow regs. Don't
use EXPAND_WRITE on inout operands.
From-SVN: r202866
2013-09-24 Richard Biener <rguenther@suse.de>
PR middle-end/58513
* tree.c (reference_alias_ptr_type): Move ...
* alias.c (reference_alias_ptr_type): ... here and implement
in terms of the new reference_alias_ptr_type_1.
(ref_all_alias_ptr_type_p): New helper.
(get_deref_alias_set_1): Drop flag_strict_aliasing here,
use ref_all_alias_ptr_type_p.
(get_deref_alias_set): Add flag_strict_aliasing check here.
(reference_alias_ptr_type_1): New function, split out from ...
(get_alias_set): ... here.
(alias_ptr_types_compatible_p): New function.
* alias.h (reference_alias_ptr_type): Declare.
(alias_ptr_types_compatible_p): Likewise.
* tree.h (reference_alias_ptr_type): Remove.
* fold-const.c (operand_equal_p): Use alias_ptr_types_compatible_p
to compare MEM_REF alias types.
* g++.dg/vect/pr58513.cc: New testcase.
From-SVN: r202865
2013-09-24 Tim Shen <timshen91@gmail.com>
* include/Makefile.am: Add regex.tcc.
* include/Makefile.in: Regenerate.
* include/bits/regex.h: Remove definitions to regex.tcc.
* include/bits/regex.tcc: New.
(match_results::format, regex_replace): Implement;
* include/bits/regex_compiler.h: Move _M_flags to the top of class
member list, because other members' initialization depend on it.
* include/bits/regex_compiler.tcc
(_Compiler<>::_Compiler): Adjust member initializations.
(_Compiler<>::_M_quantifier): Fix ungreedy interval quantifier.
* include/bits/regex_executor.h: Remove _RegexT from _*Executor classes.
In the future, all regex classes may refactor to *Impl style.
* include/bits/regex_executor.tcc (_Executor::_M_set_results):
Merge identical code from _*Executor classes.
* testsuite/28_regex/algorithms/regex_match/extended/
string_dispatch_01.cc (fake_match<>): Adjust the hacking-style testcase
caller for new __get_executors interface.
* testsuite/28_regex/algorithms/regex_replace/char/basic_replace.cc:
New.
* testsuite/28_regex/match_results/format.cc: New.
* testsuite/28_regex/traits/char/lookup_collatename.cc: Remove digraph
testcase.
* testsuite/28_regex/traits/wchar_t/lookup_collatename.cc: Likewise.
From-SVN: r202858
gcc/cp/
PR c++/58500
* type-utils.h (find_type_usage): Only traverse one type level into
member function pointers.
gcc/testsuite/
PR c++/58500
* g++.dg/cpp1y/pr58500.C: New testcase.
From-SVN: r202851
* parser.c (cp_parser_init_declarator): Defer calling
finish_fully_implicit_template for forward declarations until after
other decl processing is complete. Cleanup for clarity: Extract 'else'
case after 'if' containing unconditional return.
From-SVN: r202850
* parser.c (make_generic_type_name): Use global count rather than
parameter and ...
(add_implicit_template_parms): ... propagate interface change here.
From-SVN: r202847
2013-09-20 Michael Meissner <meissner@linux.vnet.ibm.com>
* config/rs6000/rs6000.h (enum r6000_reg_class_enum): Add new
constraints: wu, ww, and wy. Repurpose wv constraint added during
power8 changes. Put wg constraint in alphabetical order.
* config/rs6000/rs6000.opt (-mvsx-scalar-float): New debug switch
for future work to add ISA 2.07 VSX single precision support.
(-mvsx-scalar-double): Change default from -1 to 1, update
documentation comment.
(-mvsx-scalar-memory): Rename debug switch to -mupper-regs-df.
(-mupper-regs-df): New debug switch to control whether DF values
can go in the traditional Altivec registers.
(-mupper-regs-sf): New debug switch to control whether SF values
can go in the traditional Altivec registers.
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Print wu, ww,
and wy constraints.
(rs6000_init_hard_regno_mode_ok): Use ssize_t instead of int for
loop variables. Rename -mvsx-scalar-memory to -mupper-regs-df.
Add new constraints, wu/ww/wy. Repurpose wv constraint.
(rs6000_debug_legitimate_address_p): Print if we are running
before, during, or after reload.
(rs6000_secondary_reload): Add a comment.
(rs6000_opt_masks): Add -mupper-regs-df, -mupper-regs-sf.
* config/rs6000/constraints.md (wa constraint): Sort w<x>
constraints. Update documentation string.
(wd constraint): Likewise.
(wf constraint): Likewise.
(wg constraint): Likewise.
(wn constraint): Likewise.
(ws constraint): Likewise.
(wt constraint): Likewise.
(wx constraint): Likewise.
(wz constraint): Likewise.
(wu constraint): New constraint for ISA 2.07 SFmode scalar
instructions.
(ww constraint): Likewise.
(wy constraint): Likewise.
(wv constraint): Repurpose ISA 2.07 constraint that we not used in
the previous submissions.
* doc/md.texi (PowerPC and IBM RS6000): Likewise.
From-SVN: r202843
gcc/
* doc/rtl.texi (REG_NOTES): Say that int_list can also be used.
(REG_BR_PROB): Say that the probability is stored in an int_list.
* reg-notes.def: Update commentary to mention INT_LIST.
* rtl.def (EXPR_LIST, INSN_LIST): Capitalize comments.
(INT_LIST): New rtx.
* rtl.h (add_int_reg_note, add_shallow_copy_of_reg_note): Declare.
* rtlanal.c (int_reg_note_p): New function.
(alloc_reg_note): Assert that the note does not have an int argument.
(add_int_reg_note, add_shallow_copy_of_reg_note): New functions.
* combine.c (distribute_notes): Use add_shallow_copy_of_rtx.
* cse.c (cse_process_notes_1): Expect REG_EQUAL to be an EXPR_LIST
rather than an INSN_LIST. Handle INT_LIST.
* ifcvt.c (cond_exec_process_insns): Take the probability as an int
rather than an rtx. Use gen_rtx_INT_LIST to create a REG_BR_PROB note.
(cond_exec_process_if_block): Use XINT to extract REG_BR_PROB values.
Manipulate them as ints rather than rtxes.
* reg-stack.c (subst_asm_stack_regs): Only handle EXPR_LIST notes.
* regmove.c (copy_src_to_dest): Likewise.
* sched-vis.c (print_insn_with_notes): Handle INT_LIST.
* config/i386/winnt.c (i386_pe_seh_unwind_emit): Sink pat assignment
into the cases that need it.
* config/arm/arm.c (arm_unwind_emit): Likewise.
* asan.c (asan_clear_shadow): Use add_int_reg_note for REG_BR_PROB.
* emit-rtl.c (try_split, emit_copy_of_insn_after): Likewise.
* loop-doloop.c (add_test, doloop_modify): Likewise.
* loop-unswitch.c (compare_and_jump_seq): Likewise.
* optabs.c (emit_cmp_and_jump_insn_1): Likewise.
* predict.c (combine_predictions_for_insn): Likewise.
* print-rtl.c (print_rtx): Handle INT_LIST.
* config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): Likewise.
* config/alpha/alpha.c (emit_unlikely_jump): Likewise.
* config/arm/arm.c (emit_unlikely_jump): Likewise.
* config/i386/i386.c (ix86_expand_split_stack_prologue): Likewise.
(ix86_split_fp_branch, predict_jump): Likewise.
* config/rs6000/rs6000.c (emit_unlikely_jump): Likewise.
* config/sh/sh.c (expand_cbranchsi4): Likewise.
* config/spu/spu.c (ea_load_store_inline): Likewise.
* cfgbuild.c (compute_outgoing_frequencies): Use XINT to access the
value of a REG_BR_PROB note.
* cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
(update_br_prob_note, rtl_verify_edges, purge_dead_edges): Likewise.
* emit-rtl.c (try_split): Likewise.
* predict.c (br_prob_note_reliable_p): Likewise.
(invert_br_probabilities, combine_predictions_for_insn): Likewise.
* reorg.c (mostly_true_jump): Likewise.
* config/bfin/bfin.c (cbranch_predicted_taken_p): Likewise.
* config/frv/frv.c (frv_print_operand_jump_hint): Likewise.
* config/i386/i386.c (ix86_print_operand): Likewise.
* config/ia64/ia64.c (ia64_print_operand): Likewise.
* config/mmix/mmix.c (mmix_print_operand): Likewise.
* config/rs6000/rs6000.c (output_cbranch): Likewise.
* config/s390/s390.c (s390_expand_tbegin): Likewise.
* config/sh/sh.c (sh_print_operand, sh_adjust_cost): Likewise.
* config/sparc/sparc.c (output_cbranch): Likewise.
* config/spu/spu.c (get_branch_target): Likewise.
* config/tilegx/tilegx.c (cbranch_predicted_p): Likewise.
* config/tilepro/tilepro.c (cbranch_predicted_p): Likewise.
From-SVN: r202839
* ipa-cp.c (ipa_get_indirect_edge_target_1): Add sanity check
for ipa-devirt.
* ipa-utils.h (possible_polymorphic_call_target_p): New function.
* ipa-devirt.c (possible_polymorphic_call_target_p): Be tolerant
of external calls
* gimple-fold.c: Include ipa-utils.h and gimple-pretty-print.h
(gimple_fold_call): Dump inconsistent devirtualizations; add
sanity check for type based devirtualizations.
* ipa-prop.c: Include ipa-utils.h
(ipa_intraprocedural_devirtualization): Add sanity check.
(try_make_edge_direct_virtual_call): Likewise.
From-SVN: r202837
2013-09-23 Paul Pluzhnikov <ppluzhnikov@google.com>
* src/c++11/snprintf_lite.cc (__concat_size_t): Use
unsigned long long conditionally.
From-SVN: r202836
2013-09-23 Paul Pluzhnikov <ppluzhnikov@google.com>
* src/c++11/snprintf_lite.cc (__concat_size_t): Use only
std::__int_to_char<unsigned long long>()
From-SVN: r202832
2013-09-23 Richard Biener <rguenther@suse.de>
PR tree-optimization/58464
* tree-ssa-pre.c (phi_trans_lookup): Remove.
(phi_trans_add): Change to add conditionally on being not
present.
(phi_translate_1): Remove recursion detection here.
(phi_translate): Pre-seed the cache with NULL to catch
recursion here in a more generic way.
(bitmap_find_leader): Adjust comment.
(get_representative_for): Dump value-numbers.
(create_expression_by_pieces): Likewise.
(insert_into_preds_of_block): Likewise.
* g++.dg/torture/pr58464.C: New testcase.
From-SVN: r202826
* gimplify.c (gimplify_asm_expr): Reset the TREE_CHAIN of clobbers to
NULL_TREE before pushing them onto the vector. Likewise for labels.
From-SVN: r202819
* config/ia64/predicates.md (ia64_cbranch_operator): Accept unordered
comparison operators when -fno-trapping-math is in effect.
* config/ia64/ia64.c (ia64_expand_compare): Add support for unordered
comparison operators in TFmode and assert that unsupported operators
cannot reach here.
(ia64_print_operand): Likewise.
From-SVN: r202814
PR middle-end/56791
* config/pa/pa.c (pa_option_override): Disable auto increment and
decrement instructions until reload is completed.
From-SVN: r202807
* config/rl78/rl78.c: Various whitespace and comment tweaks.
(need_to_save): Save bank 0 on interrupts.
(characterize_address): Strip far address wrappers.
(rl78_as_legitimate_address): Likewise.
(transcode_memory_rtx): Likewise.
(rl78_peep_movhi_p): Disable this peephole after devirt.
(rl78_propogate_register_origins): Forget all origins when a
CLOBBER is seen.
* config/rl78/rl78-virt.md: Various whitespace tweaks.
* config/rl78/rl78-real.md: Various whitespace tweaks. Additional
peephole2's.
* config/rl78/rl78.md (sel_rb): Disable for G10 just in case.
* config/rl78/rl78-expand.md (movqi): Check for subregs of consts.
* config/rl78/rl78.h (LINK_SPEC): Pass -gc-sections unless
relocating.
* config/rl78/constraints.md: Various whitespace and paren tweaks.
Co-Authored-By: Nick Clifton <nickc@redhat.com>
From-SVN: r202801
