re PR target/52496 (avr-specific built-ins missing memory barrier)
PR target/52496
* config/avr/avr.c (avr_mem_clobber): New static function.
(avr_expand_delay_cycles): Add memory clobber operand to
delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
* config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
(enable_interrupt, disable_interrupt): New expander.
(nopv, sleep, wdr): New expanders.
(delay_cycles_1): Add memory clobber.
(delay_cycles_2): Add memory clobber.
(delay_cycles_3): Add memory clobber.
(delay_cycles_4): Add memory clobber.
(cli_sei): New insn from former "enable_interrupt",
"disable_interrupt" with memory clobber.
(*wdt): New insn from former "wdt" with memory clobber.
(*nopv): Similar, but for "nopv".
(*sleep): Similar, but for "sleep".
Walter Lee [Wed, 7 Mar 2012 17:58:52 +0000 (17:58 +0000)]
Fix an unwinding bug for functions with dynamic stack frames.
* config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
REG_CFA_* notes for the stack pointer.
(tilegx_expand_epilogue): Restore stack pointer by adjusting it by
EH_RETURN_STACKADJ_RTX.
* config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
generate REG_CFA_* notes for the stack pointer.
(tilepro_expand_epilogue): Restore stack pointer by adjusting it
by EH_RETURN_STACKADJ_RTX.
Bob Duff [Wed, 7 Mar 2012 17:07:55 +0000 (17:07 +0000)]
rtsfind.ads: Add support for finding Super_String types.
2012-03-07 Bob Duff <duff@adacore.com>
* rtsfind.ads: Add support for finding Super_String types.
* sem_util.ads, sem_util.adb (Is_Bounded_String): New function
to determine whether a given type is a bounded string type.
(Is_Fully_Initialized_Type): Return True for bounded
string types, to suppress bogus warnings.
* exp_ch4.adb (Expand_Composite_Equality): Special case for bounded
strings: equality composes. This allows us to remove default values in
super strings.
* a-strsup.ads, a-stwisu.ads, a-stzsup.ads: Update comments.
* exp_ch3.adb (Expand_Freeze_Record_Type): Comment.
Arnaud Charlet [Wed, 7 Mar 2012 14:58:43 +0000 (15:58 +0100)]
[multiple changes]
2012-03-07 Ed Schonberg <schonberg@adacore.com>
* sem_ch6.adb (Process_Formals): a generic subprogram with
a formal incomplete type does not require a freeze node.
2012-03-07 Bob Duff <duff@adacore.com>
* sem_util.ads: Minor reformatting.
2012-03-07 Geert Bosch <bosch@adacore.com>
* targparm.ads: New target parameter Atomic_Sync_Default,
defaulting to True.
* targparm.adb (Get_Target_Parameters): Add processing for
Atomic_Sync_Default.
* gnat1drv.adb (Adjust_Global_Switches): Adjust Supress_Options
based on ASD.
Javier Miranda [Wed, 7 Mar 2012 14:56:40 +0000 (14:56 +0000)]
sem_ch3.adb (Analyze_Object_Declaration): If the object declaration has an init expression then stop the analysis of the...
2012-03-07 Javier Miranda <miranda@adacore.com>
* sem_ch3.adb (Analyze_Object_Declaration): If the object
declaration has an init expression then stop the analysis of the
object declaration if the expression which initializes the object
is a call to an inlined function which returns an unconstrained
and has been expanded into a procedure call.
* sem_ch5.adb (Has_Call_Using_Secondary_Stack): Add missing
support to handle selected components.
* sem_ch6.ads (Cannot_Inline): Adding parameter Is_Serious plus
documentation.
* sem_ch6.adb (Check_And_Build_Body_To_Inline): New
subprogram which implements the checks required by the
new rules for frontend inlining and builds the body to inline.
(Analyze_Subprogram_Body_Helper): Move code that
checks inlining of subprogram that has nested subprogram
to Check_And_Build_Body_To_Inline. Replace call to
Build_Body_To_Inline by call to the new subprogram
Check_And_Build_Body_To_Inline.
(Cannot_Inline): New implementation.
* sem_ch12.adb (Analyze_Package_Instantiation.Must_Inline_Subp):
New subprogram.
* sem_util.ad[sb] (Must_Inline): New subprogram.
(Returns_Unconstrained_Type): New subprogram.
* sem_res.adb (Resolve_Call): Do not create a transient scope
for inlined calls.
* inline.ads (Analyzing_Inlined_Bodies): Remove unreferenced variable.
* inline.adb (Analyze_Inlined_Bodies, Initialize): Remove setting
to false the variable Analyzing_Inlined_Bodies. Fix comments.
* exp_ch4.adb (Expand_N_Allocator): Fix handling of finalization master.
* exp_ch6.ads (List_Inlining_Info): New subprogram.
* exp_ch6.adb (Expand_Call.Do_Inline): New subprogram.
(Expand_Call.Do_Inline_Always): New subprogram.
(In_Unfrozen_Instance): Move the declaration of this subprogram.
(Expand_Inlined_Call.Reset_Dispatching_Calls): New subprogram.
(Expand_Inlined_Call): Adding new support for inlining functions
that return unconstrained types.
(List_Inlining_Info): New subprogram.
* debug.adb Document flags -gnatd.j and -gnatd.k
* gnat1drv.adb Add call to generate the new listing of inlined
calls and calls passed to the backend.
Arnaud Charlet [Wed, 7 Mar 2012 14:45:51 +0000 (15:45 +0100)]
[multiple changes]
2012-03-07 Gary Dismukes <dismukes@adacore.com>
* exp_ch4.adb (Apply_Accessibility_Check): Call
Remove_Side_Effects in the build-in-place case, to ensure that
we capture the call and don't end up with two calls.
2012-03-07 Javier Miranda <miranda@adacore.com>
* exp_ch6.adb (Expand_Inlined_Call): Skip inlining of functions
that return unconstrained types using an extended return statement
since the support for inlining these functions has not been yet
added to the frontend.
* s-vaflop.adb, s-vaflop-vms-alpha.adb: Code reorganization.
* a-ngrear.ads: Replace all the Inline_Always pragmas by pragma
Inline.
* a-ngrear.adb (Eigenvalues, Transpose): Restructured to use
extended return statement.
* a-strsup.adb, a-stzsup.adb, a-stwisu.adb (Concat, Super_Slice,
Super_To_String): Restructured to use extended return statement.
* a-chahan.adb (To_Basic, To_Lower, To_Upper): Restructured to
use extended return statement.
* s-gearop.adb (Diagonal, Matrix_Elementwise_Operation,
Vector_Elementwise_Operation, Matrix_Elementwise_Operation,
Matrix_Matrix_Scalar_Elementwise_Operation,
Vector_Vector_Elementwise_Operation,
Vector_Vector_Scalar_Elementwise_Operation,
Matrix_Scalar_Elementwise_Operation,
Vector_Scalar_Elementwise_Operation,
Scalar_Matrix_Elementwise_Operation,
Scalar_Vector_Elementwise_Operation, Matrix_Matrix_Product,
Matrix_Vector_Product, Outer_Product, Unit_Matrix, Unit_Vector,
Vector_Matrix_Product): Restructured to use extended return
statement.
2012-03-07 Vincent Pucci <pucci@adacore.com>
* sem_ch5.adb (One_Bound): Minor reformatting.
2012-03-07 Tristan Gingold <gingold@adacore.com>
* s-osinte-vms-ia64.adb, s-osinte-vms-ia64.ads, s-osinte-vms.adb,
s-osinte-vms.ads, gcc-interface/Makefile.in: Merge s-osinte-vms and
s-osinte-vms-ia64.
Arnaud Charlet [Wed, 7 Mar 2012 14:41:01 +0000 (15:41 +0100)]
[multiple changes]
2012-03-07 Ed Schonberg <schonberg@adacore.com>
* checks.adb (Apply_Predicate_Check): Do not generate a predicate
check is the context is an internally generated type-specific
function.
* sem_ch6.adb (Process_PPCs); the formals of internally generated
type-specific functions do not get assertion checks.
2012-03-07 Yannick Moy <moy@adacore.com>
* gnat_rm.texi: Minor renaming of title.
* gnat_ugn.texi: Minor correction.
2012-03-07 Vincent Pucci <pucci@adacore.com>
* exp_ch4.adb (Expand_N_Quantified_Expression): Minor
reformating.
* sem_ch4.adb (Analyze_Quantified_Expression): Creation and
analysis of the iteration scheme added in all cases.
* sem_ch5.adb (Analyze_Iteration_Scheme): Minor reformating.
(Analyze_Iterator_Specification): Minor reformating.
* sem_res.adb (Resolve_Quantified_Expression): Resolution of
the condition added in all cases.
* a-strsup.ads, a-stwisu.ads, a-stzsup.ads (Super_String):
Remove default initial value for Data. It is no longer needed
because "=" now composes properly for untagged records. This
default has caused efficiency problems.
2012-03-07 Ed Schonberg <schonberg@adacore.com>
* sem_res.adb (Resolve_Actuals): If the actual is a selected
component of an anonymous access type, whose prefix is a variable,
treat the variable as if it may be modified by the call, to
suppress spurious warnings that a variable might be declared as
a constant.
* coverage.c (get_gcov_type): Use type_for_mode.
(get_gcov_unsigned_t): Likewise.
* expr.c (store_constructor): Use type_for_mode.
(try_casesi): Likewise.
* tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size):
Remove.
(add_standard_iv_candidates): Use standard type trees.
* dojump.c (do_jump): Remove dead code.
* sem_ch12.adb (Earlier): When two nodes come from the same
generic instantiation, compare their locations. Otherwise always
use the top level locations of the nodes.
re PR rtl-optimization/52203 (ICE: in reset_sched_cycles_in_current_ebb, at sel-sched.c:7136 with -fsel-sched-pipelining -fselective-scheduling2 and other custom flags)
PR rtl-optimization/52203
* sel-sched.c (estimate_insn_cost): New parameter pempty. Adjust
all callers to pass NULL except ...
(reset_sched_cycles_in_current_ebb): ... here, save the value
in new variable 'empty'. Increase issue_rate only for
non-empty insns.
re PR target/52506 ([avr]: XMEGA: Wrong order of save/restore of RAMPX/Y/Z/D SFRs in ISR pro-/epilogue)
PR target/52506
* gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
to: RAMPZ, RAMPY, RAMPX, RAMPD.
(expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
Kai Tietz [Wed, 7 Mar 2012 09:35:15 +0000 (10:35 +0100)]
invoke.texi (fwritable-relocated-rdata): Document new Cygwin/MinGW target option.
* doc/invoke.texi (fwritable-relocated-rdata): Document
new Cygwin/MinGW target option.
* config/i386/winnt.c (i386_pe_unique_section): Ignore
reloc if flag -fwritable-relocated-rdata is not set.
(i386_pe_section_type_flags): Likewise.
* config/i386/cygming.opt (fwritable-relocated-rdata):
Add new flag variable flag_writable_rel_rdata.
Steven Bosscher [Tue, 6 Mar 2012 19:51:42 +0000 (19:51 +0000)]
f95-lang.c (yyerror, yylex): Remove.
* f95-lang.c (yyerror, yylex): Remove.
(clear_binding_stack): Remove, fold into its only user.
(LANG_HOOKS_PRINT_IDENTIFIER): Do not re-define.
(ridpointers): Remove.
(gfc_eh_initialized_p): Make static.
(gfc_truthvalue_conversion): Move to convert.c.
(gfc_be_parse_file): Clear binding level stack when done.
(gfc_print_identifier): Remove.
(pushlevel): Remove ignored 'ignore' argument. Update all callers.
(poplevel): Remove unused 'reverse' argument. Update all callers.
(ggc_p): Remove.
(gfc_builtin_function): Make static. Do not attempt to make RTL for
builtin functions.
* convert.c (gfc_truthvalue_conversion): Moved here from f95-lang.c,
and made static.
* trans.h (pushlevel, poplevel): Adjust prototypes.
(gfc_truthvalue_conversion, gfc_builtin_function): Remove prototypes.
* trans-openmp.c: Update calls to pushlevel and poplevel.
* trans.c: Likewise.
* trans-decl.c: Likewise.
Aldy Hernandez [Tue, 6 Mar 2012 16:27:37 +0000 (16:27 +0000)]
trans-mem.c: New typedef for tm_region_p.
* trans-mem.c: New typedef for tm_region_p.
Define vector types for tm_region_p.
(tm_region_init): Replace region_worklist to a vector called
bb_regions.
invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
* doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
Some more notes on EIND usage and reorder EIND subsection.
re PR rtl-optimization/52250 (ICE: in sel_remove_bb, at sel-sched-ir.c:5213 with -fsel-sched-pipelining -fsel-sched-pipelining-outer-loops -fselective-scheduling2 and other flags)
PR rtl-optimization/52250
* sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
to put note list into. Unconditionally call move_bb_info.
(move_bb_info): Do not assert the blocks being in the same region,
just drop the note list if they are not.
Oleg Endo [Mon, 5 Mar 2012 23:12:20 +0000 (23:12 +0000)]
re PR target/51244 ([SH] Inefficient conditional branch and code around T bit)
PR target/51244
* config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
and use unified expansion logic.
* config/sh/sh.md (xorsi3_movrt): Rename to movrt. Move
closer to the existing movt insn.
(negc): Rename insn to *negc. Add new expander.
(movnegt): Use xor pattern for T bit negation. Reserve helper
constant for negc pattern.
(*movnegt): New insn and splitter.
Steven Bosscher [Mon, 5 Mar 2012 21:57:13 +0000 (21:57 +0000)]
langhooks.c (add_builtin_type): New function.
* langhooks.c (add_builtin_type): New function.
* langhooks.h (add_builtin_type): Export it.
* config/mep/mep.c (mep_init_builtins): Use it.
* config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
Jakub Jelinek [Mon, 5 Mar 2012 20:17:44 +0000 (21:17 +0100)]
re PR debug/51902 (lexical_blocks inside inlined_subroutines generate duplicate debug_ranges)
PR debug/51902
* tree.h (BLOCK_SAME_RANGE): Define.
* function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
isn't equal to supercontext fragment's fragment chain.
Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
fragment origin.
(blocks_nreverse_all): Likewise.
(reorder_blocks_1): Compute BLOCK_SAME_RANGE bits. Set
BLOCK_SUPERCONTEXT to supercontext fragment instead of
supercontext fragment's fragment origin.
* dwarf2out.c (add_high_low_attributes): If stmt has the same
range as its parent (or parents thereof etc.), use the parent's
DW_AT_ranges value instead of creating a new .debug_ranges range.
Oleg Endo [Mon, 5 Mar 2012 18:18:51 +0000 (18:18 +0000)]
sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
* config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
* config/sh/sync.md (atomic_test_and_set): New expander.
(tasb, atomic_test_and_set_soft): New insns.
* config/sh/sh.opt (menable-tas): New option.
* doc/invoke.texi (SH Options): Document it.
Bernd Schmidt [Mon, 5 Mar 2012 15:38:06 +0000 (15:38 +0000)]
genautomata.c (parse_automata_opt): New static function.
* genautomata.c (parse_automata_opt): New static function.
(initiate_automaton_gen): Remove all option handling code. Remove
argc argument. All callers changed.
(main): Call init_rtx_reader_args_cb with the new function as
argument.
Joern Rennecke [Mon, 5 Mar 2012 15:01:48 +0000 (15:01 +0000)]
Fix ChangeLog record for 171649:
* ira-conflicts.c: Remove mentioning cover classes from the file.
Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
- ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix formatting.
+ ALLOCNO_CLASS_COST instead of ALLOCNO_COVER_CLASS_COST. Fix formatting.
* cfgexpand.c (gimple_expand_cfg): Free dominator info.
* tree-if-conv.c (combine_blocks): Free post-dominator info
after breaking it.
* tree-parloops.c (create_parallel_loop): Free and re-compute
dominator info after breaking it.
re PR middle-end/52353 (-ftrapv -fnon-call-exceptions does not work)
2012-03-05 Richard Guenther <rguenther@suse.de>
PR middle-end/52353
* optabs.h (trapv_unoptab_p): New function.
(trapv_binoptab_p): Likewise.
* optabs.c (expand_binop): Use emit_libcall_block_1 with
a proper equiv_may_trap argument.
(expand_unop): Likewise.
(emit_libcall_block_1): Take extra argument whether the
instruction may trap. Renamed from ...
(emit_libcall_block): ... this. New wrapper.
Jakub Jelinek [Mon, 5 Mar 2012 12:27:55 +0000 (13:27 +0100)]
re PR tree-optimization/51721 (-Warray-bounds false positives and inconsistencies)
PR tree-optimization/51721
* tree-vrp.c (register_edge_assert_for_2): If comparing
lhs of right shift by constant with an integer constant,
add ASSERT_EXPRs for the rhs1 of the right shift.
* gcc.dg/tree-ssa/vrp63.c: New test.
* gcc.dg/pr51721.c: New test.
git://gcc.gnu.org / gcc.git / log