2011-09-26 Richard Guenther <rguenther@suse.de>
PR tree-optimization/50472
* gimple-fold.c (fold_const_aggregate_ref_1): Do not fold
volatile references.
* gcc.dg/torture/pr50472.c: New testcase.
From-SVN: r179196
2011-09-26 Tom de Vries <tom@codesourcery.com>
* tree-ssa-alias.h (pt_solution_singleton_p): Declare.
* tree-ssa-structalias.c (pt_solution_singleton_p): New function.
* tree-ssa-ccp.c (fold_builtin_alloca_for_var): Set points-to solution
of new var.
From-SVN: r179193
* gcc-interface/utils2.c (build_allocator): Set TREE_THIS_NOTRAP on the
dereference of the pointer to the storage area. Remove useless type
conversions and factor out common code.
From-SVN: r179187
* gcc-interface/utils.c (maybe_unconstrained_array): Declare TYPE local
variable and use it throughout.
<UNCONSTRAINED_ARRAY_TYPE>: Add 'break' at the end.
<RECORD_TYPE>: Do not unconditionally convert to the unpadded type as a
first step. Also convert to the unpadded type as a last step.
From-SVN: r179186
* gcc-interface/trans.c (assoc_to_constructor): Minor tweaks.
* gcc-interface/utils2.c (build_simple_component_ref): Fix formatting
issues. Use COMPLETE_TYPE_P in assertion. Also set TREE_READONLY if
the type of the record is TYPE_READONLY.
From-SVN: r179184
* sem_ch6.adb (Set_Formal_Mode): Set Can_Never_Be_Null on an IN or IN
OUT formal parameter which is of an null-exclusion access subtype.
Co-Authored-By: Robert Dewar <dewar@adacore.com>
From-SVN: r179183
* gcc-interface/ada-tree.h (DECL_CAN_NEVER_BE_NULL_P): New macro.
* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Set the flag.
(gnat_to_gnu_param): Likewise.
* gcc-interface/utils.c (convert) <UNCONSTRAINED_ARRAY_REF>: Invoke
maybe_unconstrained_array instead of doing the work manually.
(maybe_unconstrained_array): Propagate the TREE_THIS_NOTRAP flag.
* gcc-interface/utils2.c (build_unary_op) <INDIRECT_REF>: If operand
is a DECL with the flag, set TREE_THIS_NOTRAP on the reference.
(gnat_stabilize_reference_1): Propagate the TREE_THIS_NOTRAP flag.
(gnat_stabilize_reference): Likewise.
From-SVN: r179182
* config/avr/avr-protos.h (output_reload_inhi): Change prototype.
* config/avr/avr.md (adjust_len): Add "reload_in16" alternative.
(*reload_inhi): Use it. Adapt call to output_reload_inhi to new
prototype.
(*movhi): Split constraint alternative "r,rL" into "r,r" and "r,L".
* config/avr/avr.c: Rename output_reload_insisf_1 to
output_reload_in_const.
(avr_popcount_each_byte): Handle SFmode, too.
(output_reload_in_const): Change so it can handle HI loads, too.
Use avr_popcount_each_byte to work out if scratch register must be
created on the fly.
(output_reload_inhi): Rewrite using output_reload_in_const and...
(output_movhi): ...use it to print constants' loads.
(adjust_insn_length): New case ADJUST_LEN_RELOAD_IN16. Cleanup code.
From-SVN: r179181
* gcc-interface/ada-tree.h (TYPE_NULL_BOUNDS): New macro.
(SET_TYPE_NULL_BOUNDS): Likewise.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Set again
TREE_THIS_NOTRAP on the INDIRECT_REF node built for the template.
* gcc-interface/trans.c (Identifier_to_gnu): Return initializers of fat
pointer types.
* gcc-interface/utils.c (create_var_decl_1): If the object is external,
check that the initializer is a valid constant expression for use in
initializing a static variable. Add missing guard.
(update_pointer_to): Adjust TYPE_NULL_BOUNDS if set.
(convert_to_fat_pointer): In the null fat pointer case, build a valid
pointer for the bounds.
* gcc-interface/utils2.c (compare_fat_pointers): New function.
(build_binary_op) <EQ_EXPR>: Call it to compare fat pointers.
From-SVN: r179180
* parser.c (inject_this_parameter): Split out from
cp_parser_late_return_type_opt.
(cp_parser_class_specifier_1): Use it for NSDMIs.
* tree.c (bot_replace): Replace NSDMI 'this' with real 'this'.
From-SVN: r179179
* configure.ac: Add feature check to make sure the assembler
supports the FMAF, HPC, and VIS 3.0 instructions found on
Niagara-3 and later cpus.
* configure: Rebuild.
* config.in: Likewise.
* config/sparc/sparc.opt: New option '-mfmaf'.
* config/sparc/sparc.md: Add float fused multiply-add patterns.
* config/sparc/sparc.h (AS_NIAGARA3_FLAG): New macro.
(ASM_CPU64_DEFAULT_SPEC, ASM_CPU_SPEC): Use it, as needed.
* config/sparc/sol2.h (ASM_CPU32_DEFAULT_SPEC,
ASM_CPU64_DEFAULT_SPEC, ASM_CPU_SPEC): Likewise.
* config/sparc/sparc.c (sparc_option_override): Turn MASK_FMAF on
by default for Niagara-3 and later. Turn it off if TARGET_FPU is
disabled.
(sparc_rtx_costs): Handle 'FMA'.
* doc/invoke.texi: Document -mfmaf.
From-SVN: r179174
* config/sparc/constraints.md (C, P, Z): New constraints for
const_doube, const_int, and const_vector "all ones" values.
Make unused constraint letters comment match reality.
* config/sparc/predicates.md (const_all_ones_operand,
register_or_zero_or_all_ones_operand): New predicates.
* config/sparc/sparc.c (sparc_expand_move): Allow all ones
as well as zero constants when VIS.
(sparc_legitimate_constant_p): Likewise.
* config/sparc/sparc.md (movsi_insn): Add fones alternative.
(movsf_insn): Likewise
(movdi_insn_sp64): Add fone alternative.
(movdf_insn_sp32_v9): Likewise.
(movdf_insn_sp64): Likewise.
From-SVN: r179173
* gcc-interface/ada-tree.h (TREE_THIS_NOTRAP): Redefine.
* gcc-interface/trans.c (Identifier_to_gnu): Factor out common code in
the by-ref case. Do not set TREE_READONLY on a renamed object. Set
TREE_THIS_NOTRAP on UNCONSTRAINED_ARRAY_REF nodes.
(Attribute_to_gnu) <Attr_Length>: Expand the use of the parameter cache
to the indirect case.
* gcc-interface/utils.c (convert) <UNCONSTRAINED_ARRAY_REF>: Preserve
the TREE_THIS_NOTRAP flag.
From-SVN: r179171
* gcc-interface/trans.c (Loop_Statement_to_gnu): In the case of an
iteration scheme, always generate the do-while form if optimization
is enabled. Use more straightforward test at the end.
From-SVN: r179169
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Access_Subtype>: Use
XNEW instead of xmalloc. Do not build useless pointer type.
<E_Anonymous_Access_Subprogram_Type>: Use XNEW instead of xmalloc.
* gcc-interface/trans.c (gnat_to_gnu) <N_Raise_Constraint_Error>: Tidy.
* gcc-interface/utils2.c (build_unary_op): Remove local variable.
From-SVN: r179168
* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Do not promote
the alignment if this doesn't prevent BLKmode access to the object.
From-SVN: r179167
* tree-eh.c (cleanup_empty_eh): Allow a call to __builtin_stack_restore
if there is no outgoing edge.
* tree-scalar-evolution.c (simple_iv): Accept all kinds of pointer and
integral types.
From-SVN: r179165
* tree-vect-slp.c (vect_slp_analyze_bb_1): Split out core part
of vect_analyze_bb here.
(vect_analyze_bb): Loop over vector sizes calling
vect_analyze_bb_1.
From-SVN: r179164
* config/sparc/sparc.h (FIRST_PSEUDO_REGISTER): Bump to 103.
(SPARC_GSR_REG): Define.
(FIXED_REGISTERS): Mark GSR as fixed.
(CALL_USED_REGISTERS): Mark GSR as call used.
(HARD_REGNO_NREGS): GSR is always 1 register.
(REG_CLASS_CONTENTS): Add GSR to ALL_REGS.
(REG_ALLOC_ORDER, REG_LEAF_ALLOC_ORDER): Add GSR to the end.
(REGISTER_NAMES): Add "%gsr".
* config/sparc/sparc.md (UNSPEC_ALIGNADDR, UNSPEC_ALIGNADDRL):
Delete.
(UNSPEC_WRGSR): New unspec.
(GSR_REG): New constant.
(type): Add new insn type 'gsr'.
(fpack16_vis, fpackfix_vis, fpack32_vis,
faligndata<V64I:MODE>_vis)): Add use of GSR_REG.
(wrgsr_vis, *wrgsr_sp64, wrgsr_v8plus, rdgsr_vis, *rdgsr_sp64,
rdgsr_v8plus): New expanders and insns.
(alignaddr<P:mode>_vis, alignaddrl<P:mode>_vis): Reimplement
using patterns which show that this is a plus in addition to a
modification of GSR_REG, instead of an unspec.
* config/sparc/ultra1_2.md: Handle 'gsr'.
* config/sparc/ultra3.md: Likewise.
* config/sparc/niagara.md: Likewise.
* config/sparc/niagara2.md: Likewise.
* config/sparc/sparc.c (leaf_reg_remap, sparc_leaf_regs): Fill out
end of table.
(sparc_option_override): Make -mvis imply -mv8plus.
(hard_32bit_mode_classes, hard_64bit_mode_classes): Add entries
for %gsr.
(sparc_vis_init_builtins): Build __builtin_vis_write_gsr and
__builtin_vis_read_gsr.
(sparc_expand_buildin): Handle builtins that take one argument and
return void.
(sparc_fold_builtin): Never fold writes to %gsr.
* config/sparc/visintrin.h (__vis_write_gsr, __vis_read_gsr): New.
* doc/extend.texi: Document new VIS intrinsics.
From-SVN: r179159
* parser.h (cp_unparsed_functions_entry): Add nsdmis field.
* parser.c (unparsed_nsdmis, cp_parser_save_nsdmi): New.
(cp_parser_late_parse_one_default_arg): Split out from
cp_parser_late_parsing_default_args.
(cp_parser_late_parsing_nsdmi): New.
(push_unparsed_function_queues): Set it.
(cp_parser_parameter_declaration): Save the '=' token.
(cp_parser_template_parameter): Likewise.
(cp_parser_default_argument): Call cp_parser_initializer
rather than cp_parser_initializer_clause.
(cp_parser_class_specifier_1): Parse unparsed_nsdmis.
(cp_parser_member_declaration): Handle nsdmis.
* decl2.c (grokfield): Handle DEFAULT_ARG for a function.
From-SVN: r179156
* gcc-interface/Makefile.in (darwin): Do not issue the
'-flat_namespace' linker flag during Ada build.
* mlib-tgt-specific-darwin.adb: Remove '-flat_namespace' flag from the
default shared library options.
From-SVN: r179148
* go.test/go-test.exp (errchk): Handle more cases of getting
correct Tcl backslash quoting in regular expressions in test file.
Also fix some tests to match gccgo error messages.
From-SVN: r179134
include/ChangeLog:
PR 40831
* demangle.h (enum demangle_component_type): Add
DEMANGLE_COMPONENT_CLONE.
libiberty/ChangeLog:
PR 40831
* cp-demangle.c (d_make_comp): Add new component type.
(cplus_demangle_mangled_name): Check for clone suffixes.
(d_parmlist): Don't error out if we see '.'.
(d_clone_suffix): New function.
(d_print_comp): Print info for clone suffixes.
* testsuite/demangle-expected: Add new testcases.
From-SVN: r179132
