* configure.ac (target_header_dir): Move block defining
this to before the block setting inhibit_libc.
(inhibit_libc): When considering $with_headers, just
check it it's explicitly "no". If not, also check if
$target_header_dir/stdio.h is present. If not, set
inhibit_libc=true.
* configure: Regenerate.
From-SVN: r215439
2014-09-21 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000.md (div<mode>3): Fix comment. Use a different
insn for divides by integer powers of two.
(div<mode>3_sra, *div<mode>3_sra_dot, *div<mode>3_sra_dot2): New.
(mod<mode>3): Fix formatting.
(three anonymous define_insn and two define_split): Delete.
From-SVN: r215437
2014-09-21 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000.md (strlensi): Don't use subsi3 with a
constant, use addsi3 directly.
(three anonymous define_insn, two define_split): Delete.
(sub<mode>3): Move. Do not allow constant second operand.
Generate different insn for constant first operand.
(*subf<mode>3, *subf<mode>3_dot, *subf<mode>3_dot2): New.
(subf<mode>3_imm): New.
(ctz<mode>2, ffs<mode>2): Clobber CA_REGNO where required.
(*plus_ltu<mode>): Only handle registers.
(*plus_ltu<mode>_1): New. Handle integer third operand.
(*plus_gtu<mode>): Only handle registers.
(*plus_gtu<mode>_1): New. Handle integer third operand.
From-SVN: r215434
2014-09-21 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/predicates.md (ca_operand): Allow subregs.
(input_operand): Do not allow ca_operand.
* config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): For the
carry bit, allow SImode and Pmode.
(rs6000_init_hard_regno_mode_ok): Make the carry bit class NO_REGS.
From-SVN: r215429
PR c++/61825
* c-family/c-common.c (handle_alias_ifunc_attribute): Check
that visibility change is possible
(handle_weakref_attribute): Likewise.
* cgraph.h (symtab_node): Add method get_create and
field refuse_visibility_changes.
(symtab_node::get_create): New method.
* fold-const.c (tree_single_nonzero_warnv_p): Use get_create.
* varasm.c (mark_weak): Verify that visibility change is
possible.
* gcc.dg/tree-ssa/nonzero-1.c: Require error to be output.
From-SVN: r215409
2014-09-19 Michael Meissner <meissner@linux.vnet.ibm.com>
* config/rs6000/predicates.md (fusion_gpr_mem_load): Move testing
for base_reg_operand to be common between LO_SUM and PLUS.
(fusion_gpr_mem_combo): New predicate to match a fused address
that combines the addis and memory offset address.
* config/rs6000/rs6000-protos.h (fusion_gpr_load_p): Change
calling signature.
(emit_fusion_gpr_load): Likewise.
* config/rs6000/rs6000.c (fusion_gpr_load_p): Change calling
signature to pass each argument separately, rather than
using an operands array. Rewrite the insns found by peephole2 to
be a single insn, rather than hoping the insns will still be
together when the peephole pass is done. Drop being called via a
normal peephole.
(emit_fusion_gpr_load): Change calling signature to be called from
the fusion_gpr_load_<mode> insns with a combined memory address
instead of the peephole pass passing the addis and offset
separately.
* config/rs6000/rs6000.md (UNSPEC_FUSION_GPR): New unspec for GPR
fusion.
(power8 fusion peephole): Drop support for doing power8 via a
normal peephole that was created by the peephole2 pass.
(power8 fusion peephole2): Create a new insn with the fused
address, so that the fused operation is kept together after
register allocation is done.
(fusion_gpr_load_<mode>): Likewise.
From-SVN: r215404
* gcc.dg/pg-override.c: Only run on x86 Linux.
* gcc.dg/pg.c: Dito.
* gcc.target/i386/fentry-override.c: Exclude for PIC.
* gcc.target/i386/fentry.c: Dito.
From-SVN: r215401
2014-09-19 Segher Boessenkool <segher@kernel.crashing.org>
* recog.c (scratch_operand): Do not simply allow all hard registers:
only allow those that are allocatable.
From-SVN: r215399
* simple-object-elf.c (simple_object_elf_write_ehdr): Correctly
handle objects with more than SHN_LORESERVE sections.
(simple_object_elf_write_shdr): Add sh_link parameter.
(simple_object_elf_write_to_file): Correctly handle objects with
more than SHN_LORESERVE sections.
From-SVN: r215394
-Wsuggest-final-types crashes when used on mininal testcases.
Fix by bailing out early when odr_types_ptr is NULL in ipa_devirt()
2014-09-19 Markus Trippelsdorf <markus@trippelsdorf.de>
PR ipa/61998
* ipa-devirt.c (ipa_devirt): Bail out if odr_types_ptr is NULL.
2014-09-19 Markus Trippelsdorf <markus@trippelsdorf.de>
PR ipa/61998
* g++.dg/warn/Wsuggest-final-2.C: New testcase.
From-SVN: r215392
gcc/
* doc/md.texi (Modifiers): Consistently use "read/write"
nomenclature rather than "input/output".
* genrecog.c (constraints_supported_in_insn_p): New.
(validate_pattern): If needed, also check constraints on
MATCH_SCRATCH operands.
* genoutput.c (validate_insn_alternatives): Catch earlyclobber
operands with no '=' or '+' modifier.
From-SVN: r215388
2014-09-19 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* config/s390/s390.md ("trunctdsd2", "extendsdtd2"): New
expanders.
2014-09-19 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* gcc.target/s390/dfp-conv1.c: New testcase.
From-SVN: r215382
2014-09-19 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
PR target/62662
* config/s390/s390.c (s390_emit_epilogue): When doing the return
address load optimization force s390_optimize_prologue to leave it
that way. Only do the optimization if we already decided to push
r14 into a stack slot.
From-SVN: r215381
GCC Administrator
Hans-Peter Nilsson
Patrick Oppenlander
Segher Boessenkool
Uros Bizjak
Jason Merrill
Ian Lance Taylor
Joern Rennecke
Alessandro Fanfarillo
Joost VandeVondele
Andreas Schwab
Jan Hubicka
Michael Meissner
Andi Kleen
Felix Yang
James Greenhalgh
Aldy Hernandez
Ulrich Weigand
Ian Lance Taylor
Markus Trippelsdorf
Paolo Carlini
Andreas Krebbel
Marat Zakirov
Olivier Hainque