2016-04-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/70780
* tree-ssa-pre.c (compute_antic_aux): Also return true if the block
wasn't visited yet.
(compute_antic): Mark blocks with abnormal preds as visited as
they have a final empty antic-in solution already.
* gcc.dg/torture/pr70780.c: New testcase.
From-SVN: r235407
2016-04-25 Michael Collison <michael.collison@linaro.org>
* config/arm/neon.md (widen_<us>sum<mode>): New patterns where
mode is VQI to improve mixed mode vectorization.
* config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
define_insn to match low half of signed vaddw.
* config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
define_insn to match high half of signed vaddw.
* config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
define_insn to match low half of unsigned vaddw.
* config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
define_insn to match high half of unsigned vaddw.
* config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
(arm_simd_check_vect_par_cnst_half_p): Likewise.
* config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
for new function.
(arm_simd_check_vect_par_cnst_half_p): Likewise.
* config/arm/predicates.md (vect_par_constant_high): Support
big endian and simplify by calling
arm_simd_check_vect_par_cnst_half
(vect_par_constant_low): Likewise.
* testsuite/gcc.target/arm/neon-vaddws16.c: New test.
* testsuite/gcc.target/arm/neon-vaddws32.c: New test.
* testsuite/gcc.target/arm/neon-vaddwu16.c: New test.
* testsuite/gcc.target/arm/neon-vaddwu32.c: New test.
* testsuite/gcc.target/arm/neon-vaddwu8.c: New test.
* testsuite/lib/target-supports.exp
(check_effective_target_vect_widen_sum_hi_to_si_pattern): Indicate
that arm neon support vector widen sum of HImode TO SImode.
From-SVN: r235402
* config/i386/i386-protos.h (standard_sse_constant_p): Add
machine_mode argument.
* config/i386/i386.c (standard_sse_constant_p): Return 2 for
constm1_rtx operands. For VOIDmode constants, get mode from
pred_mode. Check mode size if the mode is supported by ABI.
(standard_sse_constant_opcode): Do not use standard_constant_p.
Strictly check ABI support for all-ones operands.
(ix86_legitimate_constant_p): Handle TImode, OImode and XImode
immediates. Update calls to standard_sse_constant_p.
(ix86_expand_vector_move): Update calls to standard_sse_constant_p.
(ix86_rtx_costs): Ditto.
* config/i386/i386.md (*movxi_internal_avx512f): Use
nonimmediate_or_sse_const_operand instead of vector_move_operand.
Use (v,BC) alternative instead of (v,C). Use register_operand
checks instead of MEM_P.
(*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
of vector_move_operand. Add (v,BC) alternative and corresponding avx2
isa attribute. Use register_operand checks instead of MEM_P.
(*movti_internal): Use nonimmediate_or_sse_const_operand for
TARGET_SSE. Improve TARGET_SSE insn constraint. Add (v,BC)
alternative and corresponding sse2 isa attribute.
(*movtf_internal, *movdf_internal, *movsf_interal): Update calls
to standard_sse_constant_p.
(FP constant splitters): Ditto.
* config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
(C): Ditto.
* config/i386/predicates.md (constm1_operand): Remove.
(nonimmediate_or_sse_const_operand): Rewrite using RTX.
* config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
vector_all_ones_operand instead of constm1_operand.
Co-Authored-By: H.J. Lu <hongjiu.lu@intel.com>
From-SVN: r235396
PR libstdc++/70762
* testsuite/util/testsuite_fs.h (__gnu_test::nonexistent_path): Use
static counter to return a different path on every call.
From-SVN: r235395
Enables us to easily check if a Call_expression is a call to a runtime
function and, if so, which runtime function is corresponds to.
This will be used during escape analysis.
Reviewed-on: https://go-review.googlesource.com/18544
From-SVN: r235383
2016-04-22 Richard Biener <rguenther@suse.de>
* lto-streamer-in.c (input_ssa_names): Do not allocate
GIMPLE_NOP for all SSA names.
* lto-streamer-out.c (output_ssa_names): Do not output
SSA names that should have been released.
From-SVN: r235360
gcc/cp/ChangeLog:
* name-lookup.c (free_saved_scope): New free list of saved_scope
structures.
(push_to_top_level): Attempt to reuse a saved_scope struct
from free_saved_scope instead of allocating a new one each time.
(pop_from_top_level_1): Chain the now-unused saved_scope structure
onto free_saved_scope.
From-SVN: r235351
PR c++/70513
* parser.c (cp_parser_enum_specifier): Check and possibly error for
extra qualification.
* g++.dg/cpp0x/forw_enum12.C: New test.
* g++.dg/cpp0x/forw_enum13.C: New test.
From-SVN: r235347
2016-04-21 Hristian Kirtchev <kirtchev@adacore.com>
* sem_prag.adb (Match_Constituent): Treat a constant as a legal
constituent even if it is not to prevent spurious errors.
2016-04-21 Gary Dismukes <dismukes@adacore.com>
* sem_ch4.adb: Minor typo fixes and reformatting.
2016-04-21 Dmitriy Anisimkov <anisimko@adacore.com>
* g-calend.ads (No_Time): The same value in any timezone.
* g-socket.adb (Raise_Host_Error): Remove ending
dot from original error message before append colon delimited
host name.
From-SVN: r235331
2016-04-21 Hristian Kirtchev <kirtchev@adacore.com>
* sem_ch3.adb: Code cleanup.
* sem_ch6.adb: Code cleanup.
(Is_Matching_Limited_View): New routine.
(Matches_Limited_With_View): Reimplemented.
* sem_ch10.adb (Decorate_Type): Code cleanup.
2016-04-21 Doug Rupp <rupp@adacore.com>
* tracebak.c (PPC ELF): Add macro defs for lynxos178e.
2016-04-21 Ed Schonberg <schonberg@adacore.com>
* sem_ch4.adb (Try_Container_Indexing): If there are overloaded
indexing functions, collect all overloadings of the call firts,
and then transfer them to indexing node, to prevent interleaving
of the set of interpretations of the nodes involved.
* sem_res.adb (Resolve): Suppress cascaded errors that report
ambiguities when one of the actuals in an overloaded generatlized
indexing operation is illegal and has type Any_Type, as is done
for similar cascaded errors in subprogram calls.
(Valid_Tagged_Conversion): Cleanup conversion checks when one
of the types involved is a class-wide subtype.
2016-04-21 Ed Schonberg <schonberg@adacore.com>
* sem_ch12.adb (Load_Parent_Of_Generic): When looking for the
subprogram declaration within a wrapper package, skip pragmas
that may have been generated by aspect specifications on the
generic instance.
2016-04-21 Javier Miranda <miranda@adacore.com>
* exp_aggr.adb (Component_Not_OK_For_Backend): Generating C
code return True for array identifiers since the backend needs
to initialize such component by means of memcpy().
From-SVN: r235330
2016-04-21 Hristian Kirtchev <kirtchev@adacore.com>
* exp_pakd.adb, sem_ch13.adb: Minor reformatting.
2016-04-21 Ed Schonberg <schonberg@adacore.com>
* exp_dbug.adb, exp_dbug.ads (Qualify_Entity_Name): Add suffixes to
disambiguate local variables that may be hidden from inner visibility
by nested block declarations or loop variables.
From-SVN: r235327
2016-04-21 Jerome Lambourg <lambourg@adacore.com>
* s-soflin.adb: Initialize the Stack_Limit global variable.
2016-04-21 Hristian Kirtchev <kirtchev@adacore.com>
* lib-writ.adb: Minor reformatting.
2016-04-21 Ed Schonberg <schonberg@adacore.com>
* exp_pakd.adb (Compute_Number_Components): New function to
build an expression that computes the number of a components of
an array that may be multidimensional.
(Expan_Packed_Eq): Use it.
2016-04-21 Arnaud Charlet <charlet@adacore.com>
* g-traceb.ads: Update list of supported platforms.
2016-04-21 Ed Schonberg <schonberg@adacore.com>
* sem_ch13.adb (Add_Predicates): if the type is declared in
an inner package it may be frozen outside of the package, and
the generated pragma has not been analyzed yet, the expression
for the predicate must be captured and added to the predicate
function at this point.
2016-04-21 Hristian Kirtchev <kirtchev@adacore.com>
* contracts.adb (Analyze_Package_Body_Contract): Do not check
for a missing package refinement because 1) packages do not have
"refinement" and 2) the check for proper state refinement is
performed in a different place.
* einfo.adb (Has_Non_Null_Visible_Refinement): Reimplemented.
(Has_Null_Visible_Refinement): Reimplemented.
* sem_ch3.adb (Analyze_Declarations): Determine whether all
abstract states have received a refinement and if not, emit
errors.
* sem_ch7.adb (Analyze_Package_Declaration): Code
cleanup. Determine whether all abstract states of the
package and any nested packages have received a refinement
and if not, emit errors.
(Requires_Completion_In_Body): Add new formal parameter
Do_Abstract_States. Update the comment on usage. Propagate the
Do_Abstract_States flag to all Unit_Requires_Body calls.
(Unit_Requires_Body): Remove formal
parameter Ignore_Abstract_States. Add new formal paramter
Do_Abstract_States. Propagate the Do_Abstract_States flag to
all Requires_Completion_In calls.
* sem_ch7.ads (Unit_Requires_Body): Remove formal
parameter Ignore_Abstract_States. Add new formal paramter
Do_Abstract_States. Update the comment on usage.
* sem_ch9.adb (Analyze_Single_Protected_Declaration): Do
not initialize the constituent list as this is now done on a
need-to-add-element basis.
(Analyze_Single_Task_Declaration):
Do not initialize the constituent list as this is now done on
a need-to-add-element basis.
* sem_ch10.adb (Decorate_State): Do not initialize the constituent
lists as this is now done on a need-to-add-element basis.
* sem_prag.adb (Analyze_Constituent): Set the
refinement constituents when adding a new element.
(Analyze_Part_Of_In_Decl_Part): Set the Part_Of constituents when
adding a new element.
(Analyze_Part_Of_Option): Set the Part_Of
constituents when adding a new element.
(Analyze_Pragma): Set the Part_Of constituents when adding a new
element.
(Check_Constituent_Usage (all versions)): Reimplemented.
(Collect_Constituent): Set the refinement constituents when adding
a new element.
(Create_Abstract_State): Do not initialize the
constituent lists as this is now done on a need-to-add-element basis.
(Propagate_Part_Of): Set the Part_Of constituents when
adding a new element.
* sem_util.adb (Check_State_Refinements): New routine.
(Has_Non_Null_Refinement): Reimplemented.
(Has_Null_Refinement): Reimplemented.
(Requires_State_Refinement): Removed.
* sem_util.ads (Check_State_Refinements): New routine.
(Requires_State_Refinement): Removed.
From-SVN: r235326
