* tree-ssa-threadupdate.c: Include tree-cfg.h and tree-pass.h
(thread_block_1): Do not cancel jump threads which go from
inside a loop, through the header, then back inside the loop.
(bb_ends_with_multiway_branch): New function.
(thread_through_all_blocks): Handle threading cases which start
in a loop through the loop header to a point in the loop.
From-SVN: r205246
2013-11-21 Teresa Johnson <tejohnson@google.com>
PR target/59233
* cfgcleanup.c (outgoing_edges_match): Walk up past note instructions
not understood by old_insns_match_p.
From-SVN: r205243
* tree-vect-generic.c (optimize_vector_constructor): New function.
(expand_vector_operations_1): Call it.
* gcc.dg/vect/vect-124.c: New test.
From-SVN: r205240
2013-11-21 Cary Coutant <ccoutant@google.com>
gcc/
* dwarf2out.c (want_pubnames): Don't do pubnames for -g1.
(add_linkage_name): Don't add linkage name for -g1.
(decls_for_scope): Process subblocks for -g1.
(dwarf2out_source_line): Output line tables for -g1.
(dwarf2out_finish): Likewise.
* tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
unused scopes for -g1.
* opts.c (common_handle_option): Handle -g same as -g2.
* doc/invoke.texi: Update description for -g1.
gcc/testsuite/
* gcc.dg/debug/dwarf2/mlt1.c: New test.
* gcc.dg/debug/dwarf2/mlt2.c: New test.
From-SVN: r205235
2013-11-21 Richard Biener <rguenther@suse.de>
* tree-ssa-forwprop.c (simplify_vce): New function.
(ssa_forward_propagate_and_combine): Call it.
From-SVN: r205211
2013-11-21 Richard Biener <rguenther@suse.de>
* tree-vect-loop-manip.c (vect_build_loop_niters,
vect_generate_tmps_on_preheader): Move ...
* tree-vect-loop.c (vect_build_loop_niters,
vect_generate_tmps_on_preheader): ... here and simplify.
(vect_transform_loop): Call them here and pass down results
to consumers.
* tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound):
Get niter variables from caller.
(vect_do_peeling_for_alignment): Likewise.
* tree-vectorizer.h (vect_generate_tmps_on_preheader): Remove.
(vect_do_peeling_for_loop_bound, vect_do_peeling_for_alignment):
Adjust prototypes.
From-SVN: r205199
2013-11-21 Richard Biener <rguenther@suse.de>
PR tree-optimization/59058
* tree-loop-distribution.c (struct partition_s): Add plus_one
member.
(build_size_arg_loc): Apply niter adjustment here.
(generate_memset_builtin): Adjust.
(generate_memcpy_builtin): Likewise.
(classify_partition): Do not use number_of_exit_cond_executions
but record whether niter needs to be adjusted.
From-SVN: r205197
PR libfortran/49024
* intrinsics/erfc_scaled.c (erfc_scaled_r16): New function.
* intrinsics/erfc_scaled_inc.c: Do not provide quadruple
precision variant.
* gfortran.dg/erf_3.F90: New file.
From-SVN: r205151
gcc:
2013-11-20 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/vsx.md (vsx_set_<mode>): Adjust for little endian.
(vsx_extract_<mode>): Likewise.
(*vsx_extract_<mode>_one_le): New LE variant on
*vsx_extract_<mode>_zero.
(vsx_extract_v4sf): Adjust for little endian.
gcc/testsuite:
2013-11-20 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* gcc.target/powerpc/pr48258-1.c: Skip for little endian.
From-SVN: r205146
PR libstdc++/49204
* include/std/future (__future_base::_State_base): Rename to
__future_base::_State_baseV2.
(__future_base::_State_baseV2::~_State_baseV2): Define as defaulted.
(__future_base::_State_baseV2::_M_run_deferred): Rename to
_M_complete_async.
(__future_base::_State_baseV2::_M_has_deferred): Add new virtual.
(__future_base::_State_baseV2::wait_for): Call _M_has_deferred() to
test for a deferred function, or call _M_complete_async() to join an
async thread that has made the shared state ready.
(__future_base::_State_baseV2::wait_until): Likewise.
(__future_base::_Async_state_common): Rename to _Async_state_commonV2.
(__future_base::_Async_state_commonV2::_M_run_deferred): Rename to
_M_complete_async.
* src/c++11/compatibility-thread-c++0x.cc (__future_base::_State_base):
Export old definition.
(__future_base::_Async_state_common): Likewise.
* src/c++11/future.cc (__future_base::_State_base::~_State_base):
Remove.
* doc/xml/manual/status_cxx2011.xml: Update status.
* testsuite/30_threads/async/async.cc: Test future_status::timeout
and future_status::ready.
* testsuite/30_threads/async/sync.cc: Test future_status::deferred.
From-SVN: r205144
2013-11-20 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/59133
* lra.c (expand_reg_data): Add new argument. Set up ALL_REGS for
new pseudos.
(lra_create_new_reg_with_unique_value): Pass new argument value.
(lra_emit_add, lra_emit_move): Ditto.
* lra-constraints.c (in_class_p): Add check for move for a new
insn.
(change_class): Rename to lra_change_class. Move to lra-int.h.
(get_reload_reg, narrow_reload_pseudo_class): Adjust calls of
change_class.
(process_addr_reg, process_addr): Ditto.
(curr_insn_transform): Ditto. Add check on old pseudo for
optional reload.
* lra-int.h (lra_get_regno_hard_regno): Move below.
(lra_change_class): Renamed change_class from lra.c.
2013-11-20 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/59133
* gcc.target/i386/pr59133.c: New.
From-SVN: r205141
* lra.c (lra): Set lra_in_progress before check_rtl call.
* recog.c (insn_invalid_p): Add !lra_in_progress to prevent
adding clobber regs when LRA is running
From-SVN: r205136
* config/mips/mips.h (ISA_HAS_FP_RECIP_RSQRT): New macro.
* config/mips/mips.c (mips_rtx_costs) <DIV>: Check for
ISA_HAS_FP_RECIP_RSQRT rather than ISA_HAS_FP4.
* config/mips/mips.md (recip_condition): Remove mode attribute.
(div<mode>3): Use ISA_HAS_FP_RECIP_RSQRT rather than
<recip_condition>.
(*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Likewise.
From-SVN: r205129
* config/rs6000/rs6000.c (rs6000_cannot_change_mode_class): Do not
allow subregs of TDmode in FPRs of smaller size in little-endian.
(rs6000_split_multireg_move): When splitting an access to TDmode
in FPRs, do not use simplify_gen_subreg.
From-SVN: r205123
PR middle-end/21718
* real.c: Remove comment about decimal string conversion and
rounding errors.
(real_from_string): Use MPFR to convert nonzero decimal constant
to REAL_VALUE_TYPE.
testsuite:
* gcc.dg/float-exact-1.c: New test.
From-SVN: r205119
Rainer Orth
Eric Botcazou
Paolo Carlini
Richard Sandiford
Jeff Law
Trevor Saunders
Teresa Johnson
Bill Schmidt
Jakub Jelinek
GCC Administrator
Uros Bizjak
Cary Coutant
Peter Bergner
Joseph Myers
Richard Biener
Edward Smith-Rowland
Francois-Xavier Coudert
Andreas Schwab
Oleg Endo
David Malcolm
Mike Stump
Andrew MacLeod
Bill Schmidt
Jonathan Wakely
Vladimir Makarov
Robert Suchanek
Maciej W. Rozycki
Eric Botcazou
Basile Starynkevitch
Ulrich Weigand