* gcc.dg/tree-prof/peel-1.c: New testcase.
* loop-unroll.c (decide_peel_simple): Simple peeling makes sense even
with simple loops; bound number of branches only when FDO is not
available.
(decide_unroll_stupid): Mention that num_loop_branches heuristics
is off.
From-SVN: r192718
PR middle-end/54937
* tree-ssa-loop-niter.c (record_estimate): Do not try to lower
the bound of non-is_exit statements.
(maybe_lower_iteration_bound): Do it here.
(estimate_numbers_of_iterations_loop): Call it.
* gcc.c-torture/execute/pr54937.c: New testcase.
* gcc.dg/tree-ssa/cunroll-2.c: Update.
From-SVN: r192710
PR middle-end/54967
* cfgloopmanip.c (fix_bb_placements): Add loop_closed_ssa_invalidated;
track basic blocks that moved out of their loops.
(unloop): Likewise.
(remove_path): Update.
(fix_loop_placements): Update.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Add
loop_closed_ssa_invalidated parameter; pass it around.
(canonicalize_loop_induction_variables): Update loop closed
SSA form if needed.
(tree_unroll_loops_completely): Likewise; do irred update out of
the outer loop; verify that SSA form is closed.
* cfgloop.h (unrloop): Update.
* gfortran.dg/pr54967.f90: New testcase.
From-SVN: r192709
PR middle-end/55030
Revert:
* stmt.c (expand_nl_goto_receiver): Remove almost-copy of
expand_builtin_setjmp_receiver.
(expand_label): Adjust, call expand_builtin_setjmp_receiver
with NULL for the label parameter.
* builtins.c (expand_builtin_setjmp_receiver): Don't clobber
the frame-pointer. Adjust comments.
[HAVE_builtin_setjmp_receiver]: Emit builtin_setjmp_receiver
only if LABEL is non-NULL.
From-SVN: r192701
gcc:
2012-10-22 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/55008
* gimple-ssa-strength-reduction.c (find_basis_for_candidate): Don't
allow a candidate to be a basis for itself under another interpretation.
gcc/testsuite:
2012-10-22 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/55008
* gcc.dg/tree-ssa/pr55008.c: New test.
From-SVN: r192696
2012-10-22 Sharad Singhai <singhai@google.com>
* dumpfile.c (dump_phase_enabled_p): Renamed dump_enabled_p. Update
all callers.
(dump_enabled_p): A new function to check if any of the dump files
is available.
(dump_kind_p): Remove check for current_function_decl. Add check for
dumpfile and alt_dump_file.
* dumpfile.h: Add declaration of dump_enabled_p.
From-SVN: r192692
* config/i386/i386.c (memory_address_length): Assert that non-null
base or index RTXes are registers. Do not check for REG RTXes.
Determine addr32 prefix from original base and index RTXes.
Simplify code.
From-SVN: r192690
2012-10-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/55011
* tree-vrp.c (update_value_range): For invalid lattice transitions
drop to VARYING.
* gcc.dg/torture/pr55011.c: New testcase.
From-SVN: r192689
* doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
Note __AVR_<device>__ is not defined for cores.
Don't point to --help=target.
From-SVN: r192685
2012-10-22 Sameera Deshpande <sameera.deshpande@arm.com>
Greta Yorsh <Greta.Yorsh@arm.com>
* config/arm/arm.c (thumb2_emit_ldrd_pop): New function.
(arm_expand_epilogue): Use the new function.
Co-Authored-By: Greta Yorsh <greta.yorsh@arm.com>
From-SVN: r192680
2012-10-22 Sameera Deshpande <sameera.deshpande@arm.com>
Greta Yorsh <Greta.Yorsh@arm.com>
* config/arm/arm.c (thumb2_emit_strd_push): New function.
(arm_expand_prologue): Use the new function.
Co-Authored-By: Greta Yorsh <greta.yorsh@arm.com>
From-SVN: r192679
* config/mmix/mmix.md ("nonlocal_goto_receiver"): Refer to the
frame-pointer as an operand.
("*nonlocal_goto_receiver_expanded"): Ditto. Use
mmix_output_register_setting instead of naked output_asm_insn for
the offset from the frame-pointer to the saved rO.
* config/mmix/mmix.c (mmix_output_register_setting): Emit NEGU for
values -255..0.
* config/mmix/predicates.md ("frame_pointer_operand"): New.
* config/mmix/constraints.md ("Yf"): New.
From-SVN: r192677
* stmt.c (expand_nl_goto_receiver): Remove almost-copy of
expand_builtin_setjmp_receiver.
(expand_label): Adjust, call expand_builtin_setjmp_receiver
with NULL for the label parameter.
* builtins.c (expand_builtin_setjmp_receiver): Don't clobber
the frame-pointer. Adjust comments.
[HAVE_builtin_setjmp_receiver]: Emit builtin_setjmp_receiver
only if LABEL is non-NULL.
From-SVN: r192676
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Force
BLKmode on the type if it is passed by reference.
<E_Array_Subtype>: Likewise.
<E_Record_Type>: Guard the call to Is_By_Reference_Type predicate.
<E_Record_Subtype>: Likewise.
From-SVN: r192673
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Subprogram_Type>: In
type annotation mode, break circularities introduced by AI05-0151.
From-SVN: r192671
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Out_Parameter>: Do not
generate the special PARM_DECL for an Out parameter in LTO mode.
From-SVN: r192667
PR bootstrap/54820
* Makefile.tpl (STAGE1_FLAGS_TO_PASS): New variable.
(all-[+prefix+][+module+]): Pass stage1_args to sub-makes.
(all-stage[+id+]-[+prefix+][+module+]): Likewise, if prev is false.
(clean-stage[+id+]-[+prefix+][+module+]): Likewise, if prev is false.
(host_modules): Set stage1_args to STAGE1_FLAGS_TO_PASS.
* Makefile.in: Regenerate.
* configure.ac (have_static_libs): New variable and associated check.
(stage1-ldflags): Move to after stage1_libs and set to -static-libstdc++
-static-libgcc if stage1_libs is empty and have_static_libs is yes.
* configure: Regenerate.
ada/
* gcc-interface/Make-lang.in (GCC_LINK): Remove hardcoded options.
From-SVN: r192666
2012-10-22 Yufeng Zhang <yufeng.zhang@arm.com>
Jonathan Wakely <jwakely.gcc@gmail.com>
* doc/xml/manual/configure.xml (--enable-clocale): Document the
'newlib' and 'darwin' options. Minor stylistic improvements.
Co-Authored-By: Jonathan Wakely <jwakely.gcc@gmail.com>
From-SVN: r192661
* config/i386/i386-protos.h (memory_address_length): Add new bool
argument. Update all uses.
* config/i386/i386.c (memory_address_length): If not LEA insn, then
add length of addr32 prefix based on mode of base or index register.
(ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
addresses here. Update call to memory_address_length.
(ix86_print_address_operand): Use SImode_address_operand predicate.
* config/i386/predicates.md (SImode_address_operand): New.
* config/i386/i386.md (lea<mode>): Use SImode_address_operand
to calculate "mode" attribute. Use SImode_address_operand predicate
instead of open-coding accepted RTX codes.
From-SVN: r192660
2012-10-21 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/54465
* lang.opt (Wextra): Add.
* invoke.texi: Document that -Wc-binding-type, -Wconversion
and -Wline-truncation are implied by -Wall. Document that
-Wcompare-reals is implied by -Wextra. Document -Wextra.
* options.c (set_Wextra): New function.
(gfc_handle_option): Handle -Wextra.
2012-10-21 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/54465
* gfortran.dg/wextra_1.f: New test.
From-SVN: r192649
* config/mmix/crti.S: Mark program and data addresses using PRELD.
Remove typo'd and unnecessary alignment-LOC for .data. Remove
no-longer-needed LDBU insns.
From-SVN: r192646