jgreenhalgh [Tue, 24 Nov 2015 14:46:05 +0000 (14:46 +0000)]
[PATCH][AArch64] Improve add immediate expansion
gcc/
* gcc/config/aarch64/aarch64.md (add<mode>3):
Block early expansion into 2 add instructions.
(add<mode>3_pluslong): New pattern to combine complex
immediates into 2 additions.
segher [Tue, 24 Nov 2015 14:04:11 +0000 (14:04 +0000)]
rs6000: Fix for and_operand oversight (PR68332, PR67677)
Calling rs6000_is_valid_and_mask on a reg instead of on a const_int is
not a good idea, as PR68332 and PR67677 as well as testing with
--enable-checking=yes,rtl show. Fix this.
PR target/66217
PR target/67677
PR target/68332
* config/rs6000/predicates.md (and_operand): Check that the operand
is a const_int before calling rs6000_is_valid_and_mask.
* hash-map-traits.h (simple_hashmap_traits ::remove): call
destructors on values that are being removed.
* mem-stats.h (hash_map): Pass type of values to
simple_hashmap_traits.
* tree-sra.c (sra_deinitialize): Remove work around for hash
maps not destructing values.
* genmatch.c (sinfo_hashmap_traits): Adjust.
* tree-ssa-uncprop.c (val_ssa_equiv_hash_traits): Likewise.
jakub [Tue, 24 Nov 2015 10:45:52 +0000 (10:45 +0000)]
PR target/68483
* tree-vect-generic.c (lower_vec_perm): If VEC_PERM_EXPR
is valid vec_shr pattern, don't lower it even if can_vec_perm_p
returns false.
* optabs.c (shift_amt_for_vec_perm_mask): Return NULL_RTX
whenever first is nelt or above. Don't mask expected with
2 * nelt - 1.
* gcc.target/i386/pr68483-1.c: New test.
* gcc.target/i386/pr68483-2.c: New test.
ienkovich [Tue, 24 Nov 2015 09:45:20 +0000 (09:45 +0000)]
gcc/
PR c/68337
* gimple-fold.c: Include ipa-chkp.h.
(gimple_fold_builtin_memory_op): Don't fold call if we
are going to instrument it and it may copy pointers.
gcc/testsuite/
PR c/68337
* gcc.target/i386/mpx/pr68337-1.c: New test.
* gcc.target/i386/mpx/pr68337-2.c: New test.
ktkachov [Tue, 24 Nov 2015 09:31:57 +0000 (09:31 +0000)]
[RTL-ree] PR rtl-optimization/68194: Restrict copy instruction in presence of conditional moves
PR rtl-optimization/68194
PR rtl-optimization/68328
PR rtl-optimization/68185
* ree.c (combine_reaching_defs): Reject copy_needed case if
copies_list is not empty.
* gcc.c-torture/execute/pr68185.c: New test.
* gcc.c-torture/execute/pr68328.c: Likewise.
ebotcazou [Tue, 24 Nov 2015 09:00:45 +0000 (09:00 +0000)]
* gcc-interface/decl.c (gnat_to_gnu_entity) <Concurrent types>: In
ASIS mode, do a minimal translation for root types with discriminants.
* gcc-interface/trans.c (gnat_to_gnu) <N_Subunit>: Move around.
<N_Entry_Body, N_Protected_Body, N_Task_Body>: Likewise. In ASIS mode,
process the declarations attached to the body.
segher [Tue, 24 Nov 2015 06:43:20 +0000 (06:43 +0000)]
combine: Handle aborts in is_parallel_of_n_reg_sets (PR68381)
Some users of is_parallel_of_n_reg_sets disregard the clobbers in a
parallel after it has returned "yes, this is a parallel of N sets and
maybe some clobbers". But combine uses a clobber of const0_rtx to
indicate substitution failure, so this leads to disaster.
Fix this by checking for such special clobbers in is_parallel_of_n_reg_sets.
PR rtl-optimization/68381
* combine.c (is_parallel_of_n_reg_sets): Return false if the pattern
is poisoned.
law [Tue, 24 Nov 2015 05:11:15 +0000 (05:11 +0000)]
[PATCH] Fix invalid redundant extension elimination for rl78 port
* ree.c (add_removable_extension): Avoid mis-optimizing cases where
the source/dest of the target extension require a different number of
hard registers.
(combine_set_extension): Remove #if 0 code.
ian [Mon, 23 Nov 2015 21:17:45 +0000 (21:17 +0000)]
PR go/68496
reflect: Allocate space for FFI functions returning a zero-sized type.
The libffi library does not understand zero-sized types. We represent
them as a struct with a single field of type void. If such a type is
returned from a function, libffi will copy 1 byte of data. Allocate
space for that byte, although we won't use it.
dmalcolm [Mon, 23 Nov 2015 21:00:13 +0000 (21:00 +0000)]
Fix PR objc/68438 (uninitialized source ranges)
gcc/c/ChangeLog:
PR objc/68438
* c-parser.c (c_parser_postfix_expression): Set up source ranges
for various Objective-C constructs: Class.name syntax,
@selector(), @protocol(), @encode(), and [] message syntax.
gcc/testsuite/ChangeLog:
PR objc/68438
* objc.dg/plugin: New subdirectory.
* objc.dg/plugin/diagnostic-test-expressions-1.m: New test file.
* objc.dg/plugin/plugin.exp: New file, based on
gcc.dg/plugin/plugin.exp.
rth [Mon, 23 Nov 2015 15:55:58 +0000 (15:55 +0000)]
Add uaddv4_optab and usubv4_optab
PR target/67089
* optabs.def (uaddv4_optab, usubv4_optab): New.
* internal-fn.c (expand_addsub_overflow): Use uaddv4_optab
and usubv4_optab in the u +- u -> u case.
* doc/md.texi (Standard Names): Document addv{m}4, subv{m}4,
mulv{m}4, uaddv{m}4, usubv{m}4, umulv{m}4.
rguenth [Mon, 23 Nov 2015 15:21:32 +0000 (15:21 +0000)]
2015-11-23 Richard Biener <rguenther@suse.de>
PR tree-optimization/68465
* tree-ssa-sccvn.c (sccvn_dom_walker::before_dom_children):
Also record equalities from multiple predecessor blocks if
only one non-backedge exists.
kyukhin [Mon, 23 Nov 2015 12:58:12 +0000 (12:58 +0000)]
PR c++/68001
gcc/c-family
PR c++/68001
* c-gimplify.c (c_gimplify_expr): Stop the process if see an error.
* cilk.c (recognize_spawn): Determine location in a more precise
way.
gcc/cp
* cp-gimplify.c (cp_gimplify_expr): Stop the process if see an error.
gcc/testsuite
* g++.dg/cilk-plus/CK/pr68001.cc: New test.
jiwang [Mon, 23 Nov 2015 12:14:05 +0000 (12:14 +0000)]
[Patch] Drop constant overflow flag in adjust_range_with_scev when possible
2015-11-23 Richard Biener <rguenth@gcc.gnu.com>
Jiong Wang <jiong.wang@arm.com>
gcc/
PR tree-optimization/68317
PR tree-optimization/68326
* tree-vrp.c (adjust_range_with_scev): Call drop_tree_overflow if the
final min and max are not infinity.
hainque [Mon, 23 Nov 2015 11:20:34 +0000 (11:20 +0000)]
2015-11-23 Olivier Hainque <hainque@adacore.com>
Eric Botcazou <botcazou@adacore.com>
* opt.ads (Exception_Mechanism): Now three values: Front_End_SJLJ,
Back_End_SJLJ and Back_End_ZCX.
(Back_End_Exceptions, Front_End_Exceptions, ZCX_Exceptions,
SJLJ_Exceptions): New functions, reflecting properties of the current
Exception_Mechanism.
* opt.adb: Implement the new functions.
* fe.h: Bind the new Exception_Mechanism and helper functions for gigi.
* exp_ch11.adb (Expand_At_End_Handler): Replace test on mechanism by
use of property helper and update comments.
(Expand_Exception_Handlers): Replace tests on mechanism by use of
helper. Restrict Abort_Defer to ZCX specifically.
* exp_ch9.adb (Expand_N_Asynchronous_Select): Replace tests on
mechanism by calls to helper functions. Abort_Undefer for ZCX only,
paired with Expand_Exception_Handlers.
* exp_sel.adb (Build_Abort_Block_Handler): Replace tests on mechanism
by calls to helper functions. Abort_Undefer for ZCX only, paired with
Expand_Exception_Handlers.
* lib-writ.ads (P line documentation): Add entry for "FX",
representative of unit compiled with Frontend_Exceptions True.
* lib-writ.adb (Output_Main_Program_Line): Add "FX" on P line if
compiled with Frontend_Exceptions True.
* ali.ads (ALIs_Record): Ada a Frontend_Exceptions component, to reflect
whether the ALI file contained an "FX" indication on the P line.
(Frontend_Exceptions_Specified): New boolean, to keep track of whether
at least an FX ALI file is in the closure.
* ali.adb (Scan_ALI): Handle "FX" on the P line.
(Initialize_ALI): Initialize Frontend_Exceptions_Specified to False.
* targparm.ads: Update desription of exception schemes.
(Frontend_Exceptions_On_Target): New flag, reflect Frontend_Exceptions
set to True in system.ads, or not set at all.
* targparm.adb (Targparm_Tags): Add FEX to convey Frontend_Exceptions.
Rename ZCD to ZCX for consistency.
(FEX_Str, Targparm_Str, Get_Target_Parameters): Adjust accordingly.
* gnat1drv.adb (Adjust_Global_Switches): Adjust Exception_Mechanism
setting, now from combination of Frontend_Exceptions and ZCX_By_Default.
* bcheck.adb (Check_Consistent_Zero_Cost_Exception_Handling): Rename
as ...
(Check_Consistent_Exception_Handling): Check consistency of both
ZCX_By_Default and Frontend_Exceptions.
(Check_Configuration_Consistency): Check_Consistent_Exception_Handling
if either flag was set at least once.
* make.adb (Check): Remove processing of a possible -fsjlj coming from
lang-specs.h.
* gnatlink.adb (Gnatlin): Likewise.
* gcc-interface/Makefile.in (gnatlib-sjlj/zcx): Now set
both ZCX_By_Default and Frontend_Exceptions.
* gcc-interface/decl.c (gnat_to_gnu_entity, case E_Variable):
Use eh property helper to test for back-end exceptions. Adjust
mechanism name when testing for front-end sjlj.
(case E_Procedure): Likewise.
* gcc-interface/trans.c (Handled_Sequence_Of_Statements_to_gnu):
Likewise, and rename local variables.
(Exception_Handler_to_gnu_sjlj): Rename as
Exception_Handler_to_gnu_fe_sjlj.
(Exception_Handler_to_gnu_zcx): Rename as
Exception_Handler_to_gnu_gcc and adjust tests on eh mechanisms
to use property helpers or correct mechanism name.
* All source files: Merge from upstream r253555.
* configure.tgt: Enable LSan on aarch64-*-linux* targets. Add new
dependences for TSan for aarch64-*-linux* targets.
* tsan/Makefile.am: Add new source files.
* configure: Regenerate.
* tsan/Makefile.in: Likewise.
krebbel [Mon, 23 Nov 2015 08:05:33 +0000 (08:05 +0000)]
S/390: Fix symbol ref alignment
This patch fixes the treatment of symbol ref alignments for
arrays and structs in S390. Until now, the NOT_NATURALLY_ALIGNED flag
was not correctly set for array elements and structs larger than 8
bytes. Therefore, load relative instructions that require a specific
alignment would not always be generated. This patch uses separate flags
for 2-, 4-, and 8-byte alignment to fix the problem.
gcc/testsuite/ChangeLog:
2015-11-23 Robin Dapp <rdapp@linux.vnet.ibm.com>
* gcc.target/s390/load-relative-check.c: New test to check
generation of load relative instructions.
gcc/ChangeLog:
2015-11-23 Robin Dapp <rdapp@linux.vnet.ibm.com>
* config/s390/s390.h: Add new symref flags, _NOTALIGN2 etc.
* config/s390/s390.c (s390_check_symref_alignment): Use new
symref flags, early abort on wrong alignment
(s390_secondary_reload): Use new symref flags.
(s390_encode_section_info): Likewise.
* config/s390/predicates.md: Likewise.
hubicka [Sat, 21 Nov 2015 23:59:49 +0000 (23:59 +0000)]
* lto.c (iterative_hash_canonical_type): Always recurse for pointers.
(gimple_register_canonical_type_1): Check that pointers do not get
canonical types.
(gimple_register_canonical_type): Do not register pointers.
* tree.c (build_pointer_type_for_mode,build_reference_type_for_mode):
In LTO we do not compute TYPE_CANONICAL of pointers.
(gimple_canonical_types_compatible_p): Improve coments; sanity check
that pointers do not have canonical type that would make us believe
they are different.
* alias.c (get_alias_set): Do structural type equality on pointers;
enable pointer path for LTO; also glob pointer to vector with pointer
to vector element; glob pointers and references for LTO; do more strict
sanity checking about build_pointer_type returning the canonical type
which is also the main variant.
(record_component_aliases): When component type is pointer and we
do LTO; record void_type_node alias set.
kargl [Sat, 21 Nov 2015 16:25:23 +0000 (16:25 +0000)]
2015-11-21 Steven G. Kargl <kargl@gcc.gnu.org>
* simplify.c (gfc_simplify_cshift): Implement simplification of CSHIFT.
(gfc_simplify_spread): Remove a FIXME and add error condition.
* intrinsic.h: Prototype for gfc_simplify_cshift
* intrinsic.c (add_functions): Use gfc_simplify_cshift.
jakub [Sat, 21 Nov 2015 08:24:13 +0000 (08:24 +0000)]
PR debug/66432
* tree-inline.c (copy_debug_stmt): If
gimple_debug_source_bind_get_value is DECL_ORIGIN of a PARM_DECL
in decl_debug_args, don't call remap_gimple_op_r on it.
hubicka [Sat, 21 Nov 2015 03:57:48 +0000 (03:57 +0000)]
* ipa-icf.c (sem_item::add_type): Do not look for TYPE_CANONICAL;
do not check AGGREGATE_TYPE_P when adding TYPE_MODE;
Check that all record types are complete.
* ipa-icf-gimple.c (func_checker::compatible_types_p): Do not
compare alias sets for types w/o alias sets.
ian [Sat, 21 Nov 2015 01:41:24 +0000 (01:41 +0000)]
PR go/65785
net: don't run multicast listen test on nil interface in short mode
This is a backport of https://golang.org/cl/17154.
The gccgo bug report https://gcc.gnu.org/PR65785 points out that the
multicast listen tests will use the network even with -test.short.
Fix test by checking testing.Short with a nil interface.
ian [Fri, 20 Nov 2015 21:30:16 +0000 (21:30 +0000)]
cmd: Use correct install tool dir with gccgo
When using the go command built from gccgo to build and
install a go tool, use the value from runtime GCCGOTOOLDIR as
the install directory.
This also fixes the output from 'go tool' when used with the
gccgo-built go command, to only include the go tools and not
other binaries found in the same directory.
dmalcolm [Fri, 20 Nov 2015 20:08:47 +0000 (20:08 +0000)]
PR 62314: add ability to add fixit-hints to a diagnostic
This is the combination of two patches:
[PATCH 01/02] PR/62314: add ability to add fixit-hints
[PATCH 02/02] C FE: add fix-it hint for . vs ->
gcc/ChangeLog:
PR 62314
* diagnostic-show-locus.c (colorizer::set_fixit_hint): New.
(class layout): Update comment
(layout::print_any_fixits): New method.
(layout::move_to_column): New method.
(diagnostic_show_locus): Add call to layout.print_any_fixits.
gcc/c/ChangeLog:
PR 62314
* c-typeck.c (should_suggest_deref_p): New function.
(build_component_ref): Special-case POINTER_TYPE when
generating a "not a structure of union" error message, and
suggest a "->" rather than a ".", providing a fix-it hint.
libcpp/ChangeLog:
PR 62314
* include/line-map.h (source_range::intersects_line_p): New
method.
(rich_location::~rich_location): New.
(rich_location::add_fixit_insert): New method.
(rich_location::add_fixit_remove): New method.
(rich_location::add_fixit_replace): New method.
(rich_location::get_num_fixit_hints): New accessor.
(rich_location::get_fixit_hint): New accessor.
(rich_location::MAX_FIXIT_HINTS): New constant.
(rich_location::m_num_fixit_hints): New field.
(rich_location::m_fixit_hints): New field.
(class fixit_hint): New class.
(class fixit_insert): New class.
(class fixit_remove): New class.
(class fixit_replace): New class.
* line-map.c (source_range::intersects_line_p): New method.
(rich_location::rich_location): Add initialization of
m_num_fixit_hints to both ctors.
(rich_location::~rich_location): New.
(rich_location::add_fixit_insert): New method.
(rich_location::add_fixit_remove): New method.
(rich_location::add_fixit_replace): New method.
(fixit_insert::fixit_insert): New.
(fixit_insert::~fixit_insert): New.
(fixit_insert::affects_line_p): New.
(fixit_remove::fixit_remove): New.
(fixit_remove::affects_line_p): New.
(fixit_replace::fixit_replace): New.
(fixit_replace::~fixit_replace): New.
(fixit_replace::affects_line_p): New.
jakub [Fri, 20 Nov 2015 19:50:46 +0000 (19:50 +0000)]
PR middle-end/68221
* omp-low.c (lower_rec_input_clauses): If C/C++ array reduction
has non-zero bias, subtract it in integer type instead of
pointer plus of negated bias.
projects / thirdparty / gcc.git / log
