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2016-01-11 Jakub Jelinek <jakub@redhat.com>
PR target/69071
* lra-eliminations.c (move_plus_up): Only move plus up
if subreg of the constant can be simplified into constant
and use the simplified subreg of the constant instead of
the original constant.
* fold-const.c (fold_convertible_p): Don't return true
for conversion of VECTOR_TYPE to same sized integral type.
(fold_convert_loc): Fix up formatting. Fold conversion of
VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
instead of NOP_EXPR.
PR tree-optimization/69214
* tree-vrp.c (simplify_cond_using_ranges): Don't propagate
innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
Formatting fix.
PR tree-optimization/69207
* tree-vect-slp.c (vect_get_constant_vectors): For
VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
fold_convertible_p to vector_type's element type, and always
use VCE for non-VECTOR_BOOLEAN_TYPE_P.
2016-01-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/69173
* tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
fixup the cycle if all stmts are in a pattern.
2016-01-11 Uros Bizjak <ubizjak@gmail.com>
PR middle-end/68999
* alias.c (base_alias_check): Move check for addresses with
alignment ANDs before the call for compare_base_decls.
(memrefs_conflict_p): Return -1 for different decls
that went through alignment adjustments.
2016-01-11 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
PR rtl-optimization/68796
* config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
* config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
and QImode comparisons against zero with CC_NZmode.
* config/aarch64/iterators.md (short_mask): New mode_attr.
2016-01-11 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
(<avx512>_store<mode>_mask): Likewise.
2016-01-11 Bernd Schmidt <bschmidt@redhat.com>
Kyrylo Tkachov <kyrylo.tkachov@arm.com>
PR rtl-optimization/68841
* ifcvt.c (struct noce_if_info): Add orig_x field.
(bbs_ok_for_cmove_arith): Add to_rename parameter.
Don't record conflicts on to_rename if it's present.
Allow memory destinations in sets.
(noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
blocks, passing orig_x to the checks.
(noce_process_if_block): Set if_info->orig_x appropriately.
2016-01-11 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/69069
* tree-parloops.c (create_parallel_loop): Add missing phi args.
2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
PR rtl-optimization/68920
* config/i386/i386.c (ix86_option_override_internal): Restrict number
of conditional moves for RTL if-conversion to 1 for
TARGET_ONE_IF_CONV_INSN.
* config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
* config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
* params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
parameter to restirct number of conditional moves for
RTL if-conversion.
* doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
* ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
conditionl moves.
2016-01-11 Alexandre Oliva <aoliva@redhat.com>
PR bootstrap/69123
* var-tracking.c (drop_overlapping_mem_locs): Operate on all
onepart vars. Fix typo in comment. Fix reversed condition in
unshare test.
(dataflow_set_remove_mem_locs): Operate on all onepart vars.
PR bootstrap/69123
* var-tracking.c (dump_onepart_variable_differences): New.
(dataflow_set_different): If a detailed dump is requested,
delay early returns and dump differences between onepart
variables present before and after, and added variables.
2016-01-11 Ilya Enkovich <enkovich.gnu@gmail.com>
PR target/69010
* expr.c (expand_expr_real_1): For boolean vector constants
with a scalar mode use const_scalar_mask_from_tree.
(const_scalar_mask_from_tree): New.
* optabs.c (expand_vec_cond_mask_expr): Use mask mode
assigned to a mask type to handle constants.
2016-01-11 Martin Jambor <mjambor@suse.cz>
PR ipa/69044
* ipa-cp.c (estimate_local_effects): Do not clone for removal of
useless parameters if we cannot change function signature.
2016-01-11 Martin Jambor <mjambor@suse.cz>
PR ipa/66616
* cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
flag.
2016-01-11 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/69109
* tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
latch with phi.
2016-01-11 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/69108
* tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
res is not used in a phi.
2016-01-11 Yury Gribov <y.gribov@samsung.com>
PR 67425
* common.opt (frandom-seed): Fix parameter name.
* doc/invoke.texi (frandom-seed): Ditto and describe parameter.
2016-01-11 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/69058
* tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
not supported.
2016-01-11 Andrew Burgess <andrew.burgess@embecosm.com>
* config/arc/arc.opt (mdiv-rem): Add period to the end.
(mcode-density): Likewise.
2016-01-10 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/69062
* tree-parloops.c (loop_has_phi_with_address_arg): New function.
(parallelize_loops): Don't paralelize loop that has phi with address
arg.
2016-01-10 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/69039
* tree-parloops.c (try_create_reduction_list): Only allow single exit
phi for reduction.
2016-01-09 John David Anglin <danglin@gcc.gnu.org>
PR middle-end/68743
* match.pd: Require target has function_c99_misc before doing
truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
2016-01-09 Gerald Pfeifer <gerald@pfeifer.com>
* configure.ac (isl_options_set_schedule_serialize_sccs): Also
use GMPINC.
* configure: Regenerate.
2016-01-09 Jakub Jelinek <jakub@redhat.com>
PR middle-end/50865
PR tree-optimization/69097
* fold-const.h (expr_not_equal_to): New prototype.
* fold-const.c: Include stringpool.h and tree-ssanames.h.
(expr_not_equal_to): New function.
* match.pd (X % -Y is the same as X % Y): Don't optimize
unless X is known not to be equal to minimum or Y is known
not to be equal to -1.
* tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
fold TRUNC_MOD_EXPR if the second argument is not a power of two.
(simplify_stmt_using_ranges): Adjust caller.
(vrp_finalize): Call set_value_range on SSA_NAMEs before calling
substitute_and_fold.
2016-01-09 Jan Hubicka <hubicka@ucw.cz>
* ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
w/o DECL_NAME.
2016-01-08 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/69167
* gimple-fold.c (replace_stmt_with_simplification): Also punt if
new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
ops[0] comparison.
* gimple-match-head.c (maybe_push_res_to_seq): Likewise.
2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
Richard Biener <rguenther@suse.de>
PR tree-optimization/68707
* tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
instances that can be handled via vect_load_lanes.
2016-01-08 Uros Bizjak <ubizjak@gmail.com>
* symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
if we can't determine address equivalence.
* alias.c (compare_base_decl): Update for changed return value of
symtab_node::equal_address_to.
2016-01-08 Jason Merrill <jason@redhat.com>
PR c++/68983
PR c++/67557
* function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
* expr.c (store_field): Not here.
* tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
call with TREE_ADDRESSABLE type.
* tree-cfg.c (verify_gimple_call): Adjust.
2016-01-08 Olivier Hainque <hainque@adacore.com>
* config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
libc_internal.
2016-01-08 Alan Lawrence <alan.lawrence@arm.com>
* gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
(reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
(reduc_smin_v2sf): Rename to...
(reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
(reduc_splus_v2sf): Rename to...
(reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
2016-01-08 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/69162
* gimplify.c (gimplify_va_arg_expr): Encode original type of
valist argument in another argument.
(gimplify_modify_expr): Adjust for the above change. Cleanup.
* tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
to determine the va_list type, build a MEM_REF instead of
build_fold_indirect_ref.
PR tree-optimization/69172
* gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
gimple_build.
2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
PR tree-optimization/67781
* tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
and cmpnop in two steps: first the ones not accessed in original
gimple expression in a endian independent way and then the ones not
accessed in the final result in an endian-specific way.
2016-01-08 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/69083
* tree-vect-slp.c (vect_get_constant_vectors): For
VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
element type. If op is fold_convertible_p to vector_type's element
type, use NOP_EXPR instead of VCE.
2016-01-08 Segher Boessenkool <segher@kernel.crashing.org>
PR rtl-optimization/67778
PR rtl-optimization/68634
PR rtl-optimization/68909
* shrink-wrap.c (try_shrink_wrapping): Add comment. Don't pop
block from the stack until done with it. Remove a superfluous
bitmap set. Remove a superfluous bitmap test.
2016-01-07 Martin Sebor <msebor@redhat.com>
PR c/68966
* doc/extend.texi (__atomic Builtins, __sync Builtins): Document
constraint on the type of arguments.
2016-01-07 Andreas Tobler <andreast@gcc.gnu.org>
* config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
unaligned_access on the gcc_options set.
* config/arm/arm.c (arm_option_override_internal): Use
SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
2016-01-07 Uros Bizjak <ubizjak@gmail.com>
PR target/69140
* config/i386/i386.c (ix86_frame_pointer_required): Enable
frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
2016-01-07 Uros Bizjak <ubizjak@gmail.com>
Revert
2016-01-06 Uros Bizjak <ubizjak@gmail.com>
PR target/69140
* config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
depending on frame_pointer_needed before remaining integer and SSE
registers are saved.
2016-01-07 Sandra Loosemore <sandra@codesourcery.com>
PR 1078
* doc/extend.texi (Nvidia PDX Function Attributes): New section.
2016-01-07 H.J. Lu <hongjiu.lu@intel.com>
PR target/69171
* config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
Use the "xBm" constraint.
(float<sseintvecmodelower><mode>2<mask_name><round_name):
Likewise.
(sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
(sse_cvtsi2ssq<round_name>): Likewise.
(sse_cvtss2si<round_name>): Likewise.
(sse_cvtss2siq<round_name>): Likewise.
(sse2_cvtsi2sdq<round_name>): Likewise.
(sse2_cvtsd2si<round_name>): Likewise.
(sse2_cvtsd2siq<round_name>): Likewise.
* config/i386/subst.md (round_nimm_scalar_predicate): New
predicate.
2015-12-15 Bernd Schmidt <bschmidt@redhat.com>
PR middle-end/67639
* varasm.c (make_decl_rtl): Mark invalid register vars as
DECL_EXTERNAL.
PR rtl-optimization/66206
* bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
All callers changed.
2016-01-07 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/69141
* tree-ssa-pre.c: Include langhooks.h.
(eliminate_dom_walker::before_dom_children): Use
lang_hooks.decl_printable_name instead of
cgraph_node::get ()->name ().
PR middle-end/68960
* gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
it and DECL_ALIGN too.
2016-01-06 Robert Suchanek <robert.suchanek@imgtec.com>
* config/mips/mips-ftypes.def: Sort to lexicographical order.
2016-01-06 Uros Bizjak <ubizjak@gmail.com>
PR target/69140
* config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
depending on frame_pointer_needed before remaining integer and SSE
registers are saved.
2015-01-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
mode iterator with VSX_M2.
(*p9_vecstore_<mode>): Likewise.
(*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
(*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
(*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
(define_split for VSX_LE128 stores): Likewise.
(define_peephole2 for TImode LE swaps): Likewise.
(define_split for VSX_LE128 post-reload stores): Likewise.
2016-01-06 Marek Polacek <polacek@redhat.com>
PR sanitizer/69099
* convert.c (convert_to_integer_1): Adjust call to
ubsan_instrument_float_cast. Use NULL_TREE instead of NULL.
* ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter. Use
EXPR instead of ARG.
* ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
PR 1078
* doc/extend.texi (RL78 Variable Attributes): New section.
2016-01-05 Marek Polacek <polacek@redhat.com>
PR c/69104
* builtins.c (get_memmodel): Use expansion point location rather than
the input location. Call warning_at rather than warning.
(expand_builtin_atomic_compare_exchange): Likewise.
(expand_builtin_atomic_load): Likewise.
(expand_builtin_atomic_store): Likewise.
(expand_builtin_atomic_clear): Likewise.
2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
PR target/68991
* config/i386/i386.c (ix86_expand_vector_logical_operator):
Replace nonimmediate_operand with vector_operand.
* config/i386/predicates.md (vector_operand): New predicate.
(general_vector_operand): Replace nonimmediate_operand with
vector_operand.
* config/i386/sse.md: Replace nonimmediate_operand with
vector_operand and m constraint with Bm constraint on SSE
patterns with 16-byte memory operand.
* config/i386/subst.md (round_nimm_predicate): Replace
nonimmediate_operand with vector_operand.
(round_saeonly_nimm_predicate): Likewise.
(round_saeonly_nimm_scalar_predicate): New.
2016-01-05 H.J. Lu <hongjiu.lu@intel.com>
PR target/68991
* config/i386/constraints.md (Bm): New constraint.
* config/i386/predicates.md (vector_memory_operand): New
predicate.
* config/i386/sse.md: Replace xm with xBm in plusminus and
any_logic patterns.
2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
PR 1078
* doc/extend.texi (V850 Function Attributes): New section.
(V850 Variable Attributes): New section.
2016-01-05 Sandra Loosemore <sandra@codesourcery.com>
PR 1078
* doc/extend.texi (MicroBlaze Function Attributes): Document
interrupt_handler and fast_interrupt attributes.
2016-01-05 Sergei Trofimovich <siarheit@google.com>
PR other/60465
* config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
for local symbolic operands.
* config/ia64/predicates.md (local_symbolic_operand64): New
predicate.
2016-01-05 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
PR rtl-optimization/68651
* combine.c (combine_simplify_rtx): Canonicalize x + x into
x << 1.
2016-01-05 Nathan Sidwell <nathan@acm.org>
* alias.c (compare_base_decls): Use symtab_node::get.
2016-01-05 Nick Clifton <nickc@redhat.com>
PR target/68770
* ira-costs.c (copy_cost): Initialise the t_icode field of the
secondary_reload_info structure.
PR target/66655
* config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
decls if weak support is available.
2016-01-04 Martin Sebor <msebor@redhat.com>
* doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
2016-01-04 Michael Meissner <meissner@linux.vnet.ibm.com>
* config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
OPTION_MASK_P9_DFORM.
* config/rs6000/constraints.md (wo constraint): New constraint for
ISA 3.0 (power9).
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
for wo constraint.
(rs6000_init_hard_regno_mode_ok): Likewise.
* config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
wo constraint.
* config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
expanders not to have constraints. Add support for ISA 3.0 xxperm
instruction. Add support for fusing xxlor with xxperm.
(altivec_vperm_<mode>_internal): Likewise.
(altivec_vperm_v8hiv16qi): Likewise.
(altivec_vperm_<mode>v16q): Likewise.
(altivec_vperm_<mode>_uns): Likewise.
(vperm_v8hiv4si): Likewise.
(vperm_v16qiv8hi): Likewise.
* doc/md.texi (RS/6000 constraints): Document wo constraint.
2016-01-04 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
* gcc.c (process_command): Update copyright notice dates.
* gcov-dump.c (print_version): Ditto.
* gcov.c (print_version): Ditto.
* gcov-tool.c (print_version): Ditto.
* gengtype.c (create_file): Ditto.
* doc/cpp.texi: Bump @copying's copyright year.
* doc/cppinternals.texi: Ditto.
* doc/gcc.texi: Ditto.
* doc/gccint.texi: Ditto.
* doc/gcov.texi: Ditto.
* doc/install.texi: Ditto.
* doc/invoke.texi: Ditto.
2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
* config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
modes larger than TImode as TImode if NEON is not enabled.
2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
PR target/69100
* config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
mode for %f0-%f31 only if TARGET_FPU.
2016-01-04 Eric Botcazou <ebotcazou@adacore.com>
PR target/69072
* config/sparc/sparc.c (scan_record_type): Take into account subfields
to compute the PACKED_P predicate.
(function_arg_record_value): Minor tweaks.
2016-01-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
* doc/install.texi (--with-multilib-list): Describe the meaning of the
option for arm*-*-* targets.
2016-01-03 Sandra Loosemore <sandra@codesourcery.com>
* doc/extend.texi (Common Function Attributes): Move docs for
MSP430-specific attributes to....
(MSP430 Function Attributes): ...here. Delete the redundant
entries and copy-edit the remaining text.
(MSP430 Variable Attributes): Use uniform format for index
entries and add a cross-reference to the corresponding function
attribute docs.
2016-01-03 Vladimír Čunát <vcunat@gmail.com>
* doc/invoke.texi (RS/6000 and PowerPC Options): Fix
-finite-math typo.
(x86 Options): Likewise.
2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
PR 1078
* extend.texi (Common Function Attributes) <no_stack_limit>: New.
* invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
to corresponding attribute.
2016-01-01 Sandra Loosemore <sandra@codesourcery.com>
* doc/extend.texi (Common Function Attributes) <noplt>: Move
to correct alphabetization of table. Copy-edit and correct
markup.
<stack_protect>: Likewise.
<target_clones>: Likewise.
<simd>: Likewise.
* doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
Correct punctuation.
(Code Gen Options) <-fno-plt>: Copy-edit.
2016-01-01 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR target/68917
* config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
SI values. Explicitly convert SI to DI and vice-versa.
2016-01-01 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/69070
* tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
PR sanitizer/69055
* ubsan.c (ubsan_instrument_float_cast): Call
initialize_sanitizer_builtins.
PR target/69015
* ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
Copyright (C) 2016 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.
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