* doc/rtl.texi (const_double): Document as sign-extending.
* expmed.c (expand_mult): Ensure we don't use shift
incorrectly.
* emit-rtl.c (immed_double_int_const): Refine to state the
value is signed.
* simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
CONST_DOUBLE integers.
(simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
negative values are converted. Fix conversions bigger than
HOST_BITS_PER_WIDE_INT.
(simplify_binary_operation_1): Ensure we don't use shift
incorrectly.
(simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
* explow.c (plus_constant_mode): Add.
(plus_constant): Implement with plus_constant_mode.
* rtl.h (plus_constant_mode): Add.
From-SVN: r186147
2012-04-04 H.J. Lu <hongjiu.lu@intel.com>
PR libitm/52854
* config/x86/target.h (gtm_jmpbuf): Replace long with long long
for x86-64.
From-SVN: r186140
* expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
Change type of BITOFFSET to signed. Make sure the lower bound of
the computed range is non-negative by adjusting OFFSET and BITPOS.
(expand_assignment): Adjust call to get_bit_range.
From-SVN: r186110
* h8300/h8300.c (h8300_current_function_monitor_function_p):
New function. Added to check monitor functions.
(h8300_option_override): Modified to generate error/warning
messages for invalid combinations of different command line
options.
* h8300/h8300.md: Generate 'rte' for monitor functions. Do not
save EXR on stack for monitor function in case of H8S target
when "-mno-exr" is passed.
* h8300/h8300-protos.h
(h8300_current_function_monitor_function_p): Add prototype.
* doc/invoke.texi: Document H8S options.
From-SVN: r186109
2012-04-03 Richard Guenther <rguenther@suse.de>
PR tree-optimization/52808
* tracer.c (tail_duplicate): Return whether we have duplicated
any block.
(tracer): If we have duplicated any block, cleanup the CFG.
* cfghooks.c (duplicate_block): If we duplicated a loop
header but not its loop, destroy the loop because it now has
multiple entries.
* tree-ssa-threadupdate.c (thread_through_loop_header): Tell
the cfg manipulation routines we are not creating a multiple
entry loop.
* gcc.dg/pr52808.c: New testcase.
From-SVN: r186104
* varasm.c (initializer_constant_valid_for_bitfield_p): Return true
for REAL_CST as well.
(output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
In the bitfield case, if the value is a REAL_CST, convert it first to
an INTEGER_CST.
From-SVN: r186100
2012-04-02 H.J. Lu <hongjiu.lu@intel.com>
* config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
for --with-abi={x32|mx32} or --with-multilib-list=mx32.
(supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
* config/i386/biarchx32.h: New.
From-SVN: r186099
2012-04-02 Richard Guenther <rguenther@suse.de>
PR tree-optimization/52756
* tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
(thread_through_loop_header): After threading through the loop latch
remove the split part from the loop and clear further threading
opportunities that would create a multiple entry loop.
* gcc.dg/torture/pr52756.c: New testcase.
From-SVN: r186085
2012-04-02 Richard Guenther <rguenther@suse.de>
PR middle-end/52803
* loop-init.c (gate_handle_loop2): Destroy loops here if
we don't enter RTL loop optimizers.
* gcc.dg/pr52803.c: New testcase.
From-SVN: r186080
2012-04-02 Robert Dewar <dewar@adacore.com>
* s-atopri.ads: Minor reformatting.
2012-04-02 Thomas Quinot <quinot@adacore.com>
* sem_util.adb: Minor reformatting, minor code cleanup.
2012-04-02 Ed Schonberg <schonberg@adacore.com>
* lib-xref.adb (Generate_Reference): For a reference to an
operator symbol, set the sloc to point to the first character
of the operator name, and not to the initial quaote.
(Output_References): Ditto for the definition of an operator
symbol.
2012-04-02 Vincent Celier <celier@adacore.com>
* ali.adb (Scan_Ali): Recognize Z lines. Set
Implicit_With_From_Instantiation to True in the With_Record for
Z lines.
* ali.ads (With_Record): New Boolean component
Implicit_With_From_Instantiation, defaulted to False.
* csinfo.adb: Indicate that Implicit_With_From_Instantiation
is special
* lib-writ.adb (Write_ALI): New array Implicit_With.
(Collect_Withs): Set Implicit_With for the unit is it is not Yes.
(Write_With_Lines): Write a Z line instead of a W line if
Implicit_With is Yes for the unit.
* sem_ch12.adb (Inherit_Context): Only add a unit in the context
if it is not there yet.
* sinfo.ads: New flag Implicit_With_From_Instantiation (Flag12)
added.
From-SVN: r186079
2012-04-02 Yannick Moy <moy@adacore.com>
* osint.adb, osint.ads (Add_Default_Search_Dirs): Add library
search dirs in file specified with option -gnateO.
2012-04-02 Robert Dewar <dewar@adacore.com>
* sem_ch5.adb, exp_util.adb, sem_util.adb, exp_ch4.adb: Minor
reformatting.
2012-04-02 Olivier Hainque <hainque@adacore.com>
* g-sse.ads: Add x86-solaris and x86_64-darwin to the set of
platforms where the use of this spec is supported. Add current
year to the copyright notice.
* gcc-interfaces/Makefile.in: Add g-sse.o and g-ssvety.o to
EXTRA_GNATRTL_NONTASKING_OBJS on x86 32/64 targets that support
it and where they were missing (x86-solaris, x86-freebsd,
x86_64-freebsd, and x86-darwin).
2012-04-02 Gary Dismukes <dismukes@adacore.com>
* bindgen.adb (Gen_Ada_Init): When compiling for the AAMP small
library, where we no longer suppress the Standard_Library,
generate an empty body rather than the usual generation of
assignments to imported globals, since those aren't present in
the small library.
2012-04-02 Ed Schonberg <schonberg@adacore.com>
* sinfo.ads: Minor documentation fix.
2012-04-02 Hristian Kirtchev <kirtchev@adacore.com>
* sem_res.adb (Resolve_Conditional_Expression): Add local variables
Else_Typ and Then_Typ. Add missing type conversions to the "then" and
"else" expressions when their respective types are scalar.
2012-04-02 Vincent Pucci <pucci@adacore.com>
* exp_ch9.adb: Reordering of the local subprograms. New Table
for the lock free implementation that maps each protected
subprograms with the protected component it references.
(Allow_Lock_Free_Implementation): New routine. Check if
the protected body enables the lock free implementation.
(Build_Lock_Free_Protected_Subprogram_Body): New routine.
(Build_Lock_Free_Unprotected_Subprogram_Body): New routine.
(Comp_Of): New routine.
* Makefile.rtl: Add s-atopri.o
* debug.adb: New compiler debug flag -gnatd9 for lock free
implementation.
* rtsfind.ads: RE_Atomic_Compare_Exchange_8,
RE_Atomic_Compare_Exchange_16, RE_Atomic_Compare_Exchange_32,
RE_Atomic_Compare_Exchange_64, RE_Atomic_Load_8,
RE_Atomic_Load_16, RE_Atomic_Load_32, RE_Atomic_Load_64, RE_Uint8,
RE_Uint16, RE_Uint32, RE_Uint64 added.
* s-atropi.ads: New file. Defines atomic primitives used
by the lock free implementation.
From-SVN: r186076
2012-04-02 Emmanuel Briot <briot@adacore.com>
* g-expect.adb (Expect_Internal): Fix leak of the input file descriptor.
2012-04-02 Hristian Kirtchev <kirtchev@adacore.com>
* exp_ch4.adb (Expand_N_Quantified_Expression): Reimplemented.
The expansion no longer uses the copy of the original QE created
during analysis.
* sem.adb (Analyze): Add processing for loop parameter specifications.
* sem_ch4.adb (Analyze_Quantified_Expression): Reimplemented. The
routine no longer creates a copy of the original QE. All
constituents of a QE are now preanalyzed and resolved.
* sem_ch5.adb (Analyze_Iteration_Scheme): Remove the guard which
bypasses all processing when the iteration scheme is related to a
QE. Relovate the code which analyzes loop parameter specifications
to a separate routine. (Analyze_Iterator_Specification):
Preanalyze the iterator name. This action was originally
done in Analyze_Iteration_Scheme. Update the check which
detects an iterator specification in the context of a QE.
(Analyze_Loop_Parameter_Specification): New routine. This
procedure allows for a stand-alone analysis of a loop parameter
specification without the need of a parent iteration scheme. Add
code to update the type of the loop variable when the range
generates an itype and the context is a QE.
(Pre_Analyze_Range): Renamed to Preanalyze_Range. Update all references
to the routine.
* sem_ch5.ads: Code reformatting.
(Analyze_Loop_Parameter_Specification): New routine.
* sem_ch6.adb (Fully_Conformant_Expressions): Detect a case
when establishing conformance between two QEs utilizing different
specifications.
* sem_res.adb (Proper_Current_Scope): New routine.
(Resolve): Do not resolve a QE as there is nothing to be done now.
Ignore any loop scopes generated for QEs when detecting an expression
function as the scopes are cosmetic and do not appear in the tree.
(Resolve_Quantified_Expression): Removed. All resolution of
QE constituents is now performed during analysis. This ensures
that loop variables appearing in array aggregates are properly
resolved.
2012-04-02 Ed Schonberg <schonberg@adacore.com>
* sem_util.adb (Build_Default_Subtype): If the base type is
private and its full view is available, use the full view in
the subtype declaration.
From-SVN: r186074
2012-04-02 Jose Ruiz <ruiz@adacore.com>
* gnat_ugn.texi: Add some minimal documentation about how to
use GNATtest for cross platforms.
2012-04-02 Vincent Celier <celier@adacore.com>
* opt.ads (Object_Path_File_Name): New variable.
* prj-attr.adb: New Compiler attribute Object_Path_Switches.
* prj-nmsc.adb (Process_Compiler): Recognize new attribute
Object_Path_Switches.
* snames.ads-tmpl: New standard name Object_Path_Switches.
* switch-c.adb (Scan_Front_End_Switches): Recognize new switch
-gnateO= and put its value in Opt.Object_Path_File_Name.
From-SVN: r186072
2012-04-02 Hristian Kirtchev <kirtchev@adacore.com>
* exp_ch7.adb (Process_Declarations): Detect a case where
a source object was initialized by another source object,
but the expression was rewritten as a class-wide conversion
of Ada.Tags.Displace.
* exp_util.adb (Initialized_By_Ctrl_Function): Removed.
(Is_Controlled_Function_Call): New routine.
(Is_Displacement_Of_Ctrl_Function_Result): Removed.
(Is_Displacement_Of_Object_Or_Function_Result): New routine.
(Is_Source_Object): New routine.
(Requires_Cleanup_Actions): Detect a case where a source object was
initialized by another source object, but the expression was rewritten
as a class-wide conversion of Ada.Tags.Displace.
* exp_util.ads (Is_Displacement_Of_Ctrl_Function_Result): Removed.
(Is_Displacement_Of_Object_Or_Function_Result): New routine.
2012-04-02 Ed Schonberg <schonberg@adacore.com>
* sem_res.adb (Resolve_Call): A call to an expression function
does not freeze if it appears in a different scope from the
expression function itself. Such calls appear in the generated
bodies of other expression functions, or in pre/postconditions
of subsequent subprograms.
From-SVN: r186071
2012-04-02 Yannick Moy <moy@adacore.com>
* lib-xref-alfa.adb: Code clean up.
2012-04-02 Ed Schonberg <schonberg@adacore.com>
* sem_ch12.adb (Analyze_Subprogram_Instantiation): Do not suppress
style checks, because the subprogram instance itself may contain
violations of syle rules.
* style.adb (Missing_Overriding): Check for missing overriding
indicator on a subprogram instance.
2012-04-02 Hristian Kirtchev <kirtchev@adacore.com>
* sem_ch6.adb (Last_Implicit_Declaration): New routine.
(Process_PPCs): Insert the body of _postconditions after the
last internally generated declaration. This ensures that actual
subtypes created for formal parameters are visible and properly
frozen as _postconditions may reference them.
From-SVN: r186070
* einfo.adb (First_Component_Or_Discriminant) Now applies to
all types with discriminants, not just records.
* exp_attr.adb (Expand_N_Attribute): Add Scalar_Values handling
for arrays, scalars and non-variant records.
* sem_attr.adb (Analyze_Attribute): Handle Valid_Scalars
* sem_attr.ads (Valid_Scalars): Update description
* sem_util.ads, sem_util.adb (No_Scalar_Parts): New function.
From-SVN: r186069
gcc/cp/
* pt.c (more_specialized_fn): Don't apply decay conversion to
types of function parameters.
gcc/testsuite/
* g++.old-deja/g++.pt/spec40.C: Adjust to take the resolution of
DR 214 in account.
From-SVN: r186067
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