2012-10-04 Javier Miranda <miranda@adacore.com>
* exp_disp.adb (Set_CPP_Constructors_Old): Removed.
(Set_CPP_Constructors): Code cleanup.
2012-10-04 Ed Schonberg <schonberg@adacore.com>
* sem_ch10.adb (Is_Ancestor_Unit): Make global, for use elsewhere.
(Install_Private_with_Clauses): if clause is private and limited,
do not install the limited view if the library unit is an ancestor
of the unit being compiled. This unusual configuration occurs
when compiling a unit DDP, when an ancestor P of DDP has a
private limited with clause on a descendant of P that is itself
an ancestor of DDP.
From-SVN: r192069
2012-10-04 Vincent Celier <celier@adacore.com>
* prj-proc.adb (Process_Package_Declaration): Use project
directory display path name as the value of 'Project_Dir.
2012-10-04 Gary Dismukes <dismukes@adacore.com>
* exp_util.adb (Build_Allocate_Deallocate_Proc): The subpool can be
given by an arbitrary name, so copy the tree to make the call's actual.
2012-10-04 Robert Dewar <dewar@adacore.com>
* s-exnllf.adb, s-exnllf.ads: Minor reformatting.
2012-10-04 Thomas Quinot <quinot@adacore.com>
* exp_ch6.adb: Minor reformatting.
2012-10-04 Pascal Obry <obry@adacore.com>
* projects.texi: Use consistently @command{} when referencing
commands. Fix typos.
From-SVN: r192068
* config/i386/i386.c (ix86_dep_by_shift_count_body) : Add
check on reload_completed since it can be invoked before
register allocation phase in pre-reload schedule.
(ia32_multipass_dfa_lookahead) : Do not use dfa_lookahead for pre-reload
schedule to save compile time.
(ix86_sched_reorder) : Do not perform ready list reordering for pre-reload
schedule to save compile time.
(insn_is_function_arg) : New function. Returns true if lhs of insn is
HW function argument register.
(add_parameter_dependencies) : New function. Add output dependencies
for chain of function adjacent arguments if only there is a move to
likely spilled HW registers. Return first argument if at least one
dependence was added or NULL otherwise.
(avoid_func_arg_motion) : New function. Add output or anti dependency
from insn to first_arg to restrict code motion.
(add_dependee_for_func_arg) : New function. Avoid cross block motion of
function argument through adding dependency from the first non-jump
insn in bb.
(ix86_dependencies_evaluation_hook) : New function. Hook for pre-reload schedule:
avoid motion of function arguments passed in passed in likely spilled
HW registers.
(ix86_adjust_priority) : New function. Hook for pre-reload schedule: set priority
of moves from likely spilled HW registers to maximum to schedule them
as soon as possible.
(ix86_sched_init_global): Do not perform multipass scheduling for pre-reload
schedule to save compile time.
From-SVN: r192065
* sh.c (sh_can_use_simple_return_p): Return false for SHmedia
and SHcompact using call_cookie.
* sh.md (epilogue): Emit non-inlined return insns for SHmedia
and SHcompact using call_cookie.
From-SVN: r192061
* config/rx/rx.c (struct decl_chain): New local structure.
(warned_decls): New local variable. Contains a stack of decls for
which warnings have been issued.
(add_warned_decl): Adds a decl to the stack.
(already_warned): Returns true if a given decl is on the stack.
(rx_set_current_function): Issue a warning if multiple fast
interrupt handlers are defined.
* config/rx/rx.opt (mwarn-multiple-fast-interrupts): New option.
* doc/invoke.texi: Document the option.
From-SVN: r192041
PR c++/54777
* semantics.c (cxx_eval_constant_expression) <case COMPOUND_EXPR>: If
not ignoring the second operand, pass the original second operand
and not one with stripped nops to cxx_eval_constant_expression.
* g++.dg/cpp0x/constexpr-ref4.C: New test.
From-SVN: r192036
2012-10-03 Ed Schonberg <schonberg@adacore.com>
* sem_ch6.adb (New_Overloaded_Entity): call
Append_Inherited_Subprogram when appropriate.
* sem_dim.adb (Analyze_Dimension_Call): Do not perform dimensional
analysis if call has previous semantic error.
* sem_util.ads, sem_util.adb (Append_Inherited_Subprogram):
new subprogram to handle properly the visibility of inherited
operations that are primitives of a type extension, when the
parent type and operations are declared in the same visible part.
2012-10-03 Robert Dewar <dewar@adacore.com>
* checks.adb (Minimize_Eliminate_Overflow_Checks): Properly
handle case of top level expression within type conversion
* gnat1drv.adb (Adjust_Global_Switches): Set SUPPRESSED as
default for overflow checking for -gnatg mode (includes run-time).
* sem_res.adb (Resolve_Type_Conversion): Avoid bogus warnings
about redundant conversions from MINIMIZED/EXTENDED mode checking
From-SVN: r192029
2012-10-03 Javier Miranda <miranda@adacore.com>
* exp_ch4.adb (Expand_N_Allocator_Expression): Minor code
reorganization and cleanup. Done to ensure proper management of
the C++ constructor covering tagged and untagged types and also
non-default constructors.
* exp_ch6.ads, exp_ch6.adb (Make_CPP_Constructor_Call_In_Allocator):
New subprogram.
From-SVN: r192028
2012-10-03 Gary Dismukes <dismukes@adacore.com>
* sem_ch6.adb: Minor typo fix.
2012-10-03 Robert Dewar <dewar@adacore.com>
* checks.adb (Apply_Arithmetic_Overflow_Minimized_Eliminated):
Set Top_Level properly (to False) for operand of range of
membership test.
* exp_ch4.adb (Expand_Membership_Minimize_Eliminate_Overflow):
Fix crash with -gnato3 and membership operations.
(Expand_Membership_Minimize_Eliminate_Overflow): Fix error message
and wrong results for -gnato3 large expression and predicated
subtype.
(Expand_Membership_Minimize_Eliminate_Overflow): Use
expression action node to avoid using insert actions (bombs in
some cases).
(Expand_Compare_Minimize_Eliminate_Overflow): Use expression action
node to avoid using insert actions (bombs in some cases).
2012-10-03 Javier Miranda <miranda@adacore.com>
* exp_disp.adb (Set_CPP_Constructors_Old): Handle constructor of
untagged type that has all its parameters with defaults and hence it
covers the default constructor.
From-SVN: r192027
2012-10-03 Yannick Moy <moy@adacore.com>
* checks.adb, sem_prag.adb, s-bignum.ads: Minor typo fixes.
2012-10-03 Thomas Quinot <quinot@adacore.com>
* g-socket.adb (Connect_Socket, version with timeout): When the
newly-connected socket is reported as available for writing, check
whether it has a pending asynchronous error prior to returning.
2012-10-03 Ed Schonberg <schonberg@adacore.com>
* sem_ch6.adb (Check_Conformance): Additional info when subtype
conformance fails, due to a missing null exclusion indicatar in
a formal that must match a controlling access formal.
From-SVN: r192026
2012-10-02 Andrew Pinski <apinski@cavium.com>
* simplify-rtx.c (simplify_unary_operation_1 <case TRUNCATE>):
Don't optimize a truncate of a mem if it is a vector mode.
From-SVN: r192006
gcc/
* ira-int.h (target_ira_int): Add x_ira_useful_class_mode_regs.
(ira_useful_class_mode_regs): New macro.
* ira.c (clarify_prohibited_class_mode_regs): Set up
ira_useful_class_mode_regs.
* ira-color.c (setup_profitable_hard_regs): Use it to initialise
profitable_hard_regs.
From-SVN: r191996
gcc/
* ira.h (target_ira): Add x_ira_class_singleton.
(ira_class_singleton): New macro.
* ira.c (setup_prohibited_class_mode_regs): Set up ira_class_singleton.
* ira-build.c (update_conflict_hard_reg_costs): Use
ira_class_singleton to check for classes with a single
allocatable register.
* ira-lives.c (ira_implicitly_set_insn_hard_regs): Likewise.
(single_reg_class): Likewise. When more than one class is specified,
check whether they have the same singleton register.
(process_single_reg_class_operands): Require single_reg_class
to return NO_REGS or a class with a single allocatable register.
Obtain that register from ira_class_singleton.
From-SVN: r191995
* config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
set TARGET_ALTIVEC_VRSAVE for TARGET_ELF.
(rs6000_stack_info): Only set vrsave_mask if TARGET_ALTIVEC_VRSAVE.
From-SVN: r191986
PR tree-optimization/54713
* expr.c (categorize_ctor_elements_1): Don't assume purpose is
non-NULL.
* tree-cfg.c (verify_gimple_assign_single): Add verification of
vector CONSTRUCTORs.
* tree-ssa-sccvn.c (vn_reference_lookup_3): For VECTOR_TYPE
CONSTRUCTORs, don't do anything if element type is VECTOR_TYPE,
and don't check index.
* tree-vect-slp.c (vect_get_constant_vectors): VIEW_CONVERT_EXPR
ctor elements first if their type isn't compatible with vector
element type.
From-SVN: r191983
2012-10-02 Ben Brosgol <brosgol@adacore.com>
* gnat_rm.texi: Minor editing.
2012-10-02 Ed Schonberg <schonberg@adacore.com>
* sem_ch6.adb (Analyze_Function_Return): Reject a return
expression whose type is a local access to subprogram type.
2012-10-02 Robert Dewar <dewar@adacore.com>
* sem_eval.adb: Minor improvement to Compile_Time_Compare.
2012-10-02 Robert Dewar <dewar@adacore.com>
* checks.adb (Apply_Arithmetic_Overflow_Minimized_Eliminated):
Fix base type problem that resulted in improper conversion.
(Minimize_Eliminate_Overflow_Checks): Properly handle top
level case to avoid unnecessary conversion to bignum or LLI.
(Minimize_Eliminate_Overflow_Checks): Implement uniform two phase
approach for arithmetic operators and for if/case expressions.
* checks.ads: Minor comment fix.
* exp_ch4.adb (Minimized_Eliminated_Overflow_Check): New function,
implements a uniform way of treating minimized/eliminated checks in
two phases.
(Expand_Compare_Minimize_Eliminate_Overflow): Fix cut and
paste error resulting in wrong results for less than in some
cases. (Expand_Membership_Minimize_Eliminate_Overflow):
Fix error caused by incorrect capture of operand types.
(Expand_Membership_Minimize_Eliminate_Overflow): Fix error in
handling of bignum case.
(Expand_N_Case_Expression): Implement
proper two phase handling (Expand_N_If_Expression): Implement
proper two phase handling (Expand_N_Op_Abs): Implement proper
two phase handling ditto for all other arithmetic operators
* sem_res.adb (Resolve_If_Expression): Avoid introducing
unneeded conversions.
From-SVN: r191980
2012-10-02 Robert Dewar <dewar@adacore.com>
* s-bignum.adb (Big_Exp): 0**0 should be 1, not 0.
(Big_Exp): Fix possible error for (-1)**0.
(Big_Exp): Fix error in computing 2**K for small K.
(Big_Mod): Fix wrong sign for negative operands.
(Div_Rem): Fix bad results for operands close to 2**63.
* s-bignum.ads: Add documentation and an assertion to require
LLI size to be 64 bits.
* sem_prag.adb (Analyze_Pragma, case Overflow_Checks): Do not
allow ELIMINATED if LLI'Size is other than 64 bits.
* switch-c.adb (Scan_Switches): Do not allow -gnato3 if LLI'Size
is not 64 bits.
* switch.ads (Bad_Switch): Add missing pragma No_Return.
* gnat_ugn.texi: Added appendix on Overflow Check Handling in GNAT.
2012-10-02 Robert Dewar <dewar@adacore.com>
* sem_type.adb: Minor reformatting.
From-SVN: r191979
