Arnaud Charlet [Mon, 14 Jun 2004 13:19:14 +0000 (15:19 +0200)]
[multiple changes]
2004-06-14 Pascal Obry <obry@gnat.com>
* gnat_ugn.texi: Document relocatable vs. dynamic Library_Kind on
Windows. Fix minor typo.
* mlib-tgt-mingw.adb: New implementation using the GCC -shared option
which is now supported on Windows. With this implementation using the
Library Project feature is no different on Windows than on UNIX.
2004-06-14 Vincent Celier <celier@gnat.com>
* makegpr.adb (Compile_Sources): Nothing to do when there are no
non-Ada sources.
* prj-part.adb (Parse_Single_Project): When a duplicate project name is
found, show the project name and the path of the previously parsed
project file.
2004-06-14 Ed Schonberg <schonberg@gnat.com>
* exp_ch6.adb (Add_Call_By_Copy_Code): For an out-parameter that is an
array, avoid copying the actual before the call.
2004-06-14 Thomas Quinot <quinot@act-europe.fr>
* g-debpoo.adb: Remove alignment assumptions from GNAT.Debug_Pools.
Instead, allocate memory on worst-case alignment assumptions, and then
return an aligned address within the allocated zone.
2004-06-14 Robert Dewar <dewar@gnat.com>
* bindgen.adb (Gen_Adainit_Ada): Do not generate external references to
elab entities in predefined units in No_Run_Time_Mode.
(Gen_Adainit_C): Same fix
(Gen_Elab_Calls_Ada): Do not generate calls to elaborate predefined
units in No_Run_Time_Mode
(Gen_Elab_Calls_C): Same fix
* symbols-vms-alpha.adb: Minor reformatting
* g-debpoo.ads: Minor reformatting
* lib.adb (In_Same_Extended_Unit): Version working on node id's
* lib.ads (In_Same_Extended_Unit): Version working on node id's
* lib-xref.adb: Minor cleanup, use new version of In_Same_Extended_Unit
working on nodes.
* make.adb: Minor reformatting
* par-ch12.adb: Minor reformatting
* par-prag.adb: Add dummy entry for pragma Profile_Warnings
* prj-strt.adb: Minor reformatting
* restrict.ads, restrict.adb: Redo handling of profile restrictions to
be more general.
* sem_attr.adb: Minor reformatting
* sem_ch7.adb: Minor reformatting
* sem_elab.adb (Check_A_Call): Deal with problem of calling init proc
for type in the same unit as the object declaration.
* sem_prag.adb (Check_Arg_Is_External_Name): New procedure, allows
static string expressions and not just string literals.
Minor reformatting
(Set_Warning): Reset restriction warning flag for restriction pragma
Implement pragma Profile_Warnings
Implement pragma Profile (Restricted)
Give obolescent messages for old restrictions and pragmas
* snames.h, snames.ads, snames.adb: Add new entry for pragma
Profile_Warnings.
* s-rident.ads: Add declarations for restrictions required by profile
Restricted and profile Ravenscar.
* targparm.ads, targparm.adb: Allow pragma Profile in system.ads
* gnat_ugn.texi: Correct some missing entries in the list of GNAT
configuration pragmas.
J"orn Rennecke [Mon, 14 Jun 2004 12:09:08 +0000 (12:09 +0000)]
basic-block.h (could_fall_through): Declare.
* basic-block.h (could_fall_through): Declare.
* cfganal.c (can_fallthru): Succeed if the target is EXIT_BLOCK_PTR.
Fail if the source already has a fallthrough edge to the exit
block pointer.
(could_fall_through): New function.
* cfgbuild.c (make_edges): Check if we already have a fallthrough
edge to the exit block pointer.
* cfglayout.c (fixup_fallthru_exit_predecessor): Check that it is
not called before reload has completed.
Handle special case of first block having a fall-through exit edge.
(cfg_layout_finalize): Don't call it before reload or if we have
rtl epilogues.
(fixup_reorder_chain): A fall through to the exit block does not
require the block to come last. Add sanity checks.
* cfgrtl.c (rtl_split_edge): Add special handling of fall through
edges to the exit block.
* function.c (cfglayout.h): #include.
(thread_prologue_and_epilogue_insns): If we have neither return nor
epilogue, but a fall through to the exit block from mid-function,
force a non-fall-through exit.
* Makefile.in (function.o): Depend on CFGLAYOUT_H.
Paolo Carlini [Mon, 14 Jun 2004 10:49:36 +0000 (10:49 +0000)]
locale_facets.tcc (time_get<>::_M_extract_name): Don't use the 'magic number' 10 in the computation of __minlen...
2004-06-14 Paolo Carlini <pcarlini@suse.de>
* include/bits/locale_facets.tcc (time_get<>::_M_extract_name):
Don't use the 'magic number' 10 in the computation of __minlen;
never access __name past __minlen; in the loop over __i3, don't
decrease __nmatches and increase __i3 at once, only either of
the two; tidy.
Fix PR tree-optimization/15979
Fix PR tree-optimization/15981
* tree-ssa-pre.c (insert_aux): Fix faulty logic so that we don't
try to insert values undefined along some path.
Andrew Pinski [Sun, 13 Jun 2004 22:15:51 +0000 (22:15 +0000)]
fold-const.c (fold_checksum_tree <case 't'>): Only look at TREE_VALUES if the EXPR is an ENUMERAL_TYPE.
2004-06-13 Andrew Pinski <pinskia@physics.uc.edu>
* fold-const.c (fold_checksum_tree <case 't'>): Only
look at TREE_VALUES if the EXPR is an ENUMERAL_TYPE.
Only look at TYPE_MIN_VALUE and TYPE_MAX_VALUE if
EXPR is an INTEGERAL_TYPE or a scalar float type.
Paolo Carlini [Sun, 13 Jun 2004 09:52:14 +0000 (09:52 +0000)]
locale_facets.tcc (time_get<>::do_get_time, [...]): Use only once _M_extract_via_format...
2004-06-13 Paolo Carlini <pcarlini@suse.de>
* include/bits/locale_facets.tcc (time_get<>::do_get_time,
time_get<>::do_get_date): Use only once _M_extract_via_format,
instead of going through "%X"/"%x" and calling it two times
(+ using widen).
Roger Sayle [Sun, 13 Jun 2004 02:46:08 +0000 (02:46 +0000)]
expmed.c (shift_cost, [...]): Additionally index by machine mode.
* expmed.c (shift_cost, shiftadd_cost, shiftsub_cost): Additionally
index by machine mode.
(init_expmed): Initialize shift_cost, shiftadd_cost and shiftsub_cost
tables inside the loop over machine modes.
(synth_mult, expand_mult_highpart_optab, expand_mult_highpart,
expand_divmod): Index shift*_cost by the appropriate machine mode.
Roger Sayle [Sat, 12 Jun 2004 19:41:51 +0000 (19:41 +0000)]
fold-const.c (omit_two_operands): New function.
* fold-const.c (omit_two_operands): New function.
* tree.h (omit_two_operands): Prototype here.
* builtins.c (fold_builtin_unordered_cmp): New function to lower
C99 unordered comparison builtins to the appropriate tree nodes.
(fold_builtin_1): Use fold_builtin_unordered_cmp to lower
BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
BUILT_IN_ISLESSEQUAL and BUILT_IN_ISLESSGREATER. Manually lower
BUILT_IN_ISUNORDERED comparisons to an UNORDERED_EXPR tree node.
(simplify_builtin_memcmp, simplify_builtin_strncmp,
simplify_builtin_strncat, simplify_builtin_strspn): Use the new
omit_two_operands function to build the required COMPOUND_EXPRs.
Tobias Schlüter [Sat, 12 Jun 2004 14:06:19 +0000 (16:06 +0200)]
re PR fortran/12841 (passing null to a subroutine)
fortran/
PR fortran/12841
* interface.c (compare_parameter, compare_actual_formal): Don't
check types and array shapes for NULL()
* trans-expr.c (conv_function_call): No double indirection for
NULL()
( I had accidentally committed the interface.c part before)
testuite/
PR fortran/12841
* gfortran.fortran-torture/execute/null_arg.f90: New test.
Steven Bosscher [Sat, 12 Jun 2004 12:50:42 +0000 (12:50 +0000)]
rtl.h (MEM_P, [...]): New predicates.
* rtl.h (MEM_P, NONJUMP_INSN_P, CALL_INSN_P): New predicates.
(INSN_P): Don't look at the rtx code class, just explicitly
check for one of the tree RTX_INSN codes.
pa.c (legitimize_pic_address): Use UNSPEC_DLTIND14R to identify unspec used for loading address from DLT.
* pa.c (legitimize_pic_address): Use UNSPEC_DLTIND14R to identify
unspec used for loading address from DLT.
* pa.md: Define constants for the uses of UNSPEC and UNSPEC_VOLATILE.
Change all users of UNSPEC and UNSPEC_VOLATILE to use new constants.
Don't use short code sequence when loading the address of a nonlocal
label.
(nonlocal_goto): New expander.
(indirect_goto): New jump pattern for nonlocal gotos.
(short_jump): Remove extra whitespace.
(builtin_longjmp): Clobber memory and hard frame pointer. Restore
frame pointer via virtual_stack_vars_rtx when we have a nonlocal goto
pattern.
Roger Sayle [Fri, 11 Jun 2004 21:34:23 +0000 (21:34 +0000)]
expmed.c (synth_mult): Add an additional MODE argument for the machine mode of the multiplication.
* expmed.c (synth_mult): Add an additional MODE argument for the
machine mode of the multiplication. Update recursive calls. Use
mode instead of word_mode for determining operation costs.
(choose_mult_variant): Update calls to synth_mult with "mode".
* config/alpha/alpha.c (alpha_gimplify_va_arg_1): Remove post_p
argument. Use internal post for call to gimplify_expr. Tidy
rounded type size computation.
(alpha_gimplify_va_arg): Use get_formal_tmp_var and
get_initialized_tmp_var.
Jason Merrill [Fri, 11 Jun 2004 18:41:47 +0000 (14:41 -0400)]
i386.h (EXPAND_BUILTIN_VA_ARG): Just abort.
* config/i386/i386.h (EXPAND_BUILTIN_VA_ARG): Just abort.
* config/i386/i386.c (ix86_va_arg): Remove.
* config/rs6000/rs6000.h (EXPAND_BUILTIN_VA_ARG): Just abort.
* config/rs6000/rs6000.c (rs6000_va_arg): Remove.
* config/alpha/alpha.h (EXPAND_BUILTIN_VA_ARG): Just abort.
* config/alpha/alpha.c (alpha_va_arg): Remove.
* config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Just abort.
* config/sparc/sparc.c (sparc_va_arg): Remove.
* tree-ssa-operands.c (get_stmt_operands): Use a V_MAY_DEF if the
assignment might throw.
* tree-eh.c (tree_could_throw_p): Support non-call exceptions in
expressions.
Arnaud Charlet [Fri, 11 Jun 2004 10:47:39 +0000 (12:47 +0200)]
[multiple changes]
2004-06-11 Vincent Celier <celier@gnat.com>
* mlib-tgt-vms-alpha.adb (Build_Dynamic_Library): Issue switch -R to
gnatsym, when symbol policy is Restricted.
* mlib-tgt-vms-ia64.adb (Build_Dynamic_Library): Issue switch -R to
gnatsym, when symbol policy is Restricted.
* symbols-vms-alpha.adb (Initialize): When symbol policy is Restricted,
read the symbol file.
(Finalize): Fail in symbol policy Restricted if a symbol in the original
symbol file is not in the object files. Do not create a new symbol file
when symbol policy is Restricted.
* gnatbind.adb (Gnatbind): Initialize Snames, because Snames is used
in Scng.
* gnatsym.adb (Parse_Vmd_Line): Process new switch -R for symbol policy
Restricted.
(Usage): Line for new switch -R
* make.adb (Initialize): When the platform is not VMS, add the
directory where gnatmake is invoked in the front of the path, if
gnatmake is invoked with directory information. Change the Scan_Args
while loop to a for loop.
(Recursive_Compute_Depth): Remove parameter Visited. Improve efficiency:
if Depth is equal or greater than the proposed depth, there is nothing
to do.
(Initialize): Call Recursive_Compute_Depth with initial Depth equal to 1
instead of 0.
* prj.ads: Add new symbol policy Restricted.
* prj-dect.adb (Parse_Case_Construction): Call End_Case_Construction
with the new parameters Check_All_Labels and Case_Location.
* prj-nmsc.adb (Ada_Check): Process new symbol policy Restricted
(Library_Symbol_File needs to be defined).
* prj-strt.adb (End_Case_Construction): New parameters Check_All_Labels
and Case_Location If Check_All_Labels is True, check that all values of
the string type are used, and output warning(s) if they are not.
* prj-strt.ads (End_Case_Construction): New parameters Check_All_Labels
and Case_Location.
* gnat_ugn.texi: Reorder subclauses in menus "Switches for gcc"
* gnat_ugn.texi: Update documentation about the library directory in
Library Projects.
* makegpr.adb (Display_Command): In verbose mode, also display the
value of the CPATH env var, when the compiler is gcc.
(Initialize): Change the Scan_Args while loop to a for loop
(Compile_Individual_Sources): Change directory to object directory
before compilations.
* a-except.adb (Raise_After_Setup family): Remove. The responsibility
is now taken care of internally in the Exception_Propagation package
and does not require clients assistance any more.
* a-exexpr.adb (Is_Setup_And_Not_Propagated,
Set_Setup_And_Not_Propagated, and Clear_Setup_And_Not_Propagated): New
functions. Helpers to maintain a predicate required in the handling of
occurrence transfer between tasks.
This is now handled internally and does not require clients assistance
for the setup/propagate separation anymore.
(Setup_Exception, Propagate_Exception): Simplify the Private_Data
allocation strategy, handle the Setup_And_Not_Propagated predicate and
document.
* s-taenca.adb (Check_Exception): Use raise_with_msg instead of
raise_after_setup, now that everything is handled internally within the
setup/propagation engine.
2004-06-11 Hristian Kirtchev <kirtchev@gnat.com>
* exp_ch6.adb (Expand_Inlined_Call): Add function Formal_Is_Used_Once.
Add additional conditions for the case of an actual being a simple
name or literal. Improve inlining by preventing the generation
of temporaries with a short lifetime (one use).
2004-06-11 Hristian Kirtchev <kirtchev@gnat.com>
PR ada/15587
* einfo.ads: Minor comment updates for Has_Completion and
E_Constant list of flags.
* sem_ch3.adb (Analyze_Object_Declaration): Full constant declarations
and constant redeclarations now set the Has_Completion flag of their
defining identifiers.
* sem_ch7.adb (Analyze_Package_Spec): Add procedure
Inspect_Deferred_Constant_Completion.
Used to detect private deferred constants that have not been completed
either by a constant redeclaration or pragma Import. Emits error message
"constant declaration requires initialization expression".
* sem_prag.adb (Process_Import_Or_Interface): An Import pragma now
completes a deferred constant.
2004-06-11 Geert Bosch <bosch@gnat.com>
* eval_fat.adb (Decompose_Int): Fix rounding of negative numbers.
* s-fatgen.adb (Gradual_Scaling): Correct off-by-one error in
calculating exponent for scaling denormal numbers.
(Leading_Part): Properly raise Constraint_Error for zero or negative
Adjustment.
(Remainder): Properly raise Constraint_Error for zero divisor.
2004-06-11 Thomas Quinot <quinot@act-europe.fr>
* sem_util.adb: Minor reformatting.
* exp_ch2.adb (Expand_Entry_Parameter): Generate an explicit
dereference when accessing the entry parameter record.
(Check_Array_Type): Always check for possible implicit dereference.
(maybe_implicit_dereference): Rename to check_no_implicit_derefence.
Abort if a pointer is still present (denoting that an implicit
dereference was left in the tree by the front-end).
* sem_attr.adb (Expand_Entry_Parameter): Generate an explicit
dereference when accessing the entry parameter record.
(Check_Array_Type): Always check for possible implicit dereference.
(maybe_implicit_dereference): Rename to check_no_implicit_derefence.
Abort if a pointer is still present (denoting that an implicit
dereference was left in the tree by the front-end).
2004-06-11 Emmanuel Briot <briot@act-europe.fr>
* g-debpoo.adb (Deallocate, Dereference): Add prefix "error:" to error
message, like the compiler itself does. Easier to parse the output.
Jerry Quinn [Fri, 11 Jun 2004 05:54:02 +0000 (05:54 +0000)]
GregorianCalendar.java (computeTime): Skip buggy formulae when we already know the answer.
2004-06-11 Jerry Quinn <jlquinn@optonline.net>
* java/util/GregorianCalendar.java (computeTime): Skip buggy formulae
when we already know the answer.
* java/util/SimpleTimeZone.java (serialVersionOnStream): Bump to 2.
(setStartRule,setEndRule): Don't take abs of day number.
(getOffset): Clarify docs. Add argument checks.
(isBefore): Take abs of day number in DOW_LE_DOM_MODE.
(equals,hasSameRules,toString,readObject): Use startTimeMode and
endTimeMode.
Diego Novillo [Thu, 10 Jun 2004 22:37:05 +0000 (22:37 +0000)]
Makefile.in (tree-ssanames.o): Depend on TREE_FLOW_H.
* Makefile.in (tree-ssanames.o): Depend on TREE_FLOW_H.
* tree-flow.h (ssa_names, num_ssa_names, ssa_name): Declare.
(highest_ssa_version): Remove.
* tree-outof-ssa.c (new_temp_expr_table): Replace
highest_ssa_version with num_ssa_names.
(dump_replaceable_exprs): Likewise.
(rewrite_vars_out_of_ssa): Likewise.
* tree-ssa-ccp.c (initialize): Likewise
* tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
* tree-ssa-dce.c (tree_dce_init): Likewise.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
* tree-ssa-live.c (create_ssa_var_map): Likewise.
(dump_var_map): Likewise.
* tree-ssa.c (verify_ssa): Likewise.
(kill_redundant_phi_nodes): Likewise.
Do not build a local array of SSA_NAMEs. Use the ssa_names table.
* tree-ssanames.c: Include tree-flow.h
(ssa_names): New varray.
(init_ssa_names): Initialize ssa_names.
Reserve the first slot of the ssa_names table.
(make_ssa_name): Push the newly created SSA_NAME into ssa_names.
Assign version numbers using num_ssa_names.
Brian Booth [Thu, 10 Jun 2004 21:41:08 +0000 (21:41 +0000)]
tree-ssa.texi: Remove references to VDEF and add descriptions of V_MAY_DEF and V_MUST_DEF.
* doc/tree-ssa.texi: Remove references to VDEF and add descriptions
of V_MAY_DEF and V_MUST_DEF.
* tree-dfa.c (dfa_stats_d): Add num_v_must_defs and rename
num_vdefs to num_v_may_defs.
(compute_immediate_uses_for_stmt): Rename occurences of vdef
to v_may_def.
(redirect_immediate_uses): Ditto.
(dump_dfa_stats): Ditto. Also added code to dump num_v_must_defs.
(collect_dfa_stats_r): Rename occurences of vdef to v_may_def.
Also add code to sum up the number of v_must_defs.
(vdefs_disappeared_p): Replace with...
(v_may_defs_disappeared_p): This.
(v_must_defs_disappeared_p): New function.
(mark_new_vars_to_rename): Rename occurences of vdef to v_may_def.
Also add code to mark new variables found in V_MUST_DEFs for
renameing.
* tree-flow.h (stmt_ann_d): Add v_must_def_ops and replace
vdef_ops to v_may_def_ops.
(get_vdef_ops): Replace with...
(get_v_may_def_ops): This.
* tree-flow-inline.h (get_vdef_ops): Replace with...
(get_v_may_def_ops): This.
(get_v_must_def_ops): New function.
(get_vdef_result_ptr): Replace with...
(get_v_may_def_result_ptr): This.
(get_vdef_op_ptr): Ditto with...
(get_v_may_def_op_ptr); This.
(get_v_must_def_op_ptr): New function.
* tree-into-ssa.c (mark_def_sites): Rename occurences of vdef
to v_may_def. Also add code to mark statements with
V_MUST_DEFs as definition sites.
(rewrite_stmt): Rename occurences of vdef to v_may_def. Also
add code to register new V_MUST_DEFs made by the statement.
* tree-outof-ssa.c (VIRTUAL_PARTITION): Update comments.
(check_replaceable): Rename occurences of vdef to v_may_def. Also
add check for V_MUST_DEFs.
(find_replaceable_in_bb): Ditto.
* tree-pretty-print.c (dump_vops): Rename occurences of vdef
to v_may_def. Also add code to dump V_MUST_DEFs.
* tree-sra.c (mark_all_vdefs): Replace with...
(mark_all_v_may_defs): This.
(mark_all_v_must_defs): New function.
(create_scalar_copies): Replace call to mark_all_vdefs with
calls to mark_all_v_may_defs and mark_all_v_must_defs.
(scalarize_structures): Rename occurences of vdef to v_may_def.
Also add a check for V_MUST_DEFs.
(scalarize_modify_expr): Rename occurences of vdef to v_may_def.
* tree-ssa-alias.c (global_var): Update comment.
(compute_may_aliases): Ditto.
(compute_points_to_and_addr_escape): Rename occurences of vdef
to v_may_def. Also add code to mark variables in V_MUST_DEF
operands as being written to.
(group_aliases): Update comment.
(maybe_create_global_var): Ditto.
* tree-ssa.c (verify_ssa): Rename occurences of vdef to v_may_def.
Also add a check for V_MUST_DEFs on GIMPLE registers.
(replace_immediate_uses): Rename occurences of vdef to v_may_def.
* tree-ssa-ccp.c (visit_stmt): Rename occurences of vdef
to v_may_def. Also add code to mark all V_MUST_DEF operands
VARYING.
(initialize): Ditto.
(set_rhs): Rename occurences of vdef to v_may_def. Also add
code to update SSA_NAMEs in V_MUST_DEFs.
* tree-ssa-copy.c (cprop_into_stmt): Rename occurences of vdef
to v_may_def.
* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Rename
occurences of vdef to v_may_def. Also add code to mark statements
with V_MUST_DEFs as necessary.
(propagate_necessity): Rename occurences of vdef to v_may_def.
* tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Rename
occurences of vdef to v_may_def. Also add code to mark operands
in V_MUST_DEFs for renaming.
(eliminate_redundant_computations): Rename occurences of vdef
to v_may_def.
(record_equivalences_from_stmt): Rename occurences of vdef
to v_may_def. Also add code to record VUSEs for V_MUST_DEFs.
(optimize_stmt): Remove unnesessary variable vdefs. Update
comment.
(register_definitions_for_stmt): Rename occurences of vdef
to v_may_def. Also add code to register definitions made with
V_MUST_DEFs.
* tree-ssa-dse.c (fix_stmt_vdefs): Replace with...
(fix_stmt_v_may_defs): This.
(fix_phi_uses): Rename occurences of vdef to v_may_def.
(dse_optimize_stmt): Ditto.
* tree-ssa-live.c (create_ssa_var_map): Rename occurences of vdef
to v_may_def. Also add code to mark V_MUST_DEF operands as being
used in virtual operators.
* tree-ssa-loop.c (mark_defs_for_rewrite): Rename occurences of
vdef to v_may_def. Also add code to mark V_MUST_DEF operands for
renaming.
* tree-ssa-operands.c (opf_kill_def): New flag for killing
definitions.
(build_vdefs): Renamed to...
(build_v_may_defs): This.
(build_v_must_defs): New variable.
(voperands_d): Add v_must_def_ops and replace vdef_ops with
v_may_def_ops.
(append_vdef): Replace with...
(append_v_may_def): This.
(append_v_must_def): New function.
(NUM_FREE): Increment for V_MUST_DEF
(optype_freelist): Increment its size for V_MUST_DEF
(allocate_vdef_optype): Replace with...
(allocate_v_may_def_optype): This.
(allocate_v_must_def_optype): New function.
(free_vdefs): Replace with...
(free_v_may_defs): This.
(free_v_must_defs): New function.
(remove_vdefs): Replace with...
(remove_v_may_defs): This.
(remove_v_must_defs): New function.
(init_ssa_operands): Rename occurences of vdef to v_may_def. Also
add code to initialize build_v_must_defs.
(finalize_ssa_vdefs): Replace with...
(finalize_ssa_v_may_defs): This.
(finalize_ssa_vuses): Rename occurences of vdef to v_may_def.
(finalize_ssa_v_must_defs): New function.
(finalize_ssa_stmt_operands): Replace call to finalize_ssa_vdefs
with calls to finalize_ssa_v_may_defs and finalize_ssa_v_must_defs.
(verify_start_operands): Rename occurences of vdef to v_may_def.
Also add check for build_v_must_defs.
(get_stmt_operands): Rename occurences of vdef to v_may_def.
Also add code to handle V_MUST_DEFs and to use opf_kill_def for
killing definitions.
(get_expr_operands): Update comment and use opf_kill_def for
killing definitions.
(add_stmt_operand): Replace code that appends VDEFs with code
that appends V_MUST_DEFs when opf_kill_def is set and V_MAY_DEFs
otherwise.
(add_call_clobber_ops): Update comments.
* tree-ssa-operands.h (vdef_optype_d): Replace with...
(v_may_def_optype_d): This.
(v_must_def_optype_d): New structure.
(VDEF_OPS): Replace with...
(V_MAY_DEF_OPS): This.
(STMT_VDEF_OPS): Same with...
(STMT_V_MAY_DEF_OPS): This.
(NUM_VDEFS): And...
(NUM_V_MAY_DEFS): This.
(VDEF_RESULT_PTR): As well as...
(V_MAY_DEF_RESULT_PTR): This.
(VDEF_RESULT): Same goes for...
(V_MAY_DEF_RESULT): This.
(VDEF_OP_PTR): And...
(V_MAY_DEF_OP_PTR): This.
(VDEF_OP): And...
(V_MAY_DEF_OP): This.
(V_MUST_DEF_OPS): New macro.
(STMT_V_MUST_DEF_OPS): Ditto.
(NUM_V_MUST_DEFS): Ditto.
(V_MUST_DEF_OP_PTR): Ditto.
(V_MUST_DEF_OP): Ditto.
(remove_vdefs): Replace signature with...
(remove_v_may_defs): This.
(remove_v_must_defs): New function signature.
* tree-ssa-pre.c (subst_phis): Replace call to remove_vdefs
with calls to remove_v_may_defs and remove_v_must_defs.
(process_left_occs_and_kills): Rename occurences of vdef to v_may_def.
Also add code that marks left occurences of operands in V_MUST_DEFs.
* tree-tailcall.c (find_tail_calls): Rename occurences of vdef
to v_may_def. Also add check for V_MUST_DEFs.
(eliminate_tail_call):Rename occurences of vdef to v_may_def.
testsuite:
* gcc.dg/tree-ssa/20031015-1.c: Scan for
V_MAY_DEF instead of VDEF.
* gcc.dg/tree-ssa/20040517-1.c: Ditto.
Roger Sayle [Thu, 10 Jun 2004 19:46:03 +0000 (19:46 +0000)]
builtins.c (expand_builtin): Fall back to library function call for conj...
* builtins.c (expand_builtin): Fall back to library function call for
conj, conjf, conjl, creal, crealf, creall, cimag, cimagf and cimagl.
(fold_builtin_1): Lower built-ins BUILT_IN_CONJ{,F,L} to CONJ_EXPR,
BUILT_IN_CREAL{,F,L} to REALPART_EXPR, and BUILT_IN_CIMAG{,F,L} to
IMAGPART_EXPR respectively.
J"orn Rennecke [Thu, 10 Jun 2004 18:14:53 +0000 (18:14 +0000)]
sh.c (dump_table): New argument start.
* sh.c (dump_table): New argument start. Changed caller.
(fixup_mova): New function.
(find_barrier): Use it.
(sh_reorg): Likewise. Check for CODE_FOR_casesi_worker_2.
If the label a mova refers to is above the mova itself, change
the mova into a load.
* sh.md (*casesi_worker): Rename to:
(casesi_worker_1).
(casesi_worker_2): New insn.
Zdenek Dvorak [Thu, 10 Jun 2004 15:01:01 +0000 (17:01 +0200)]
Makefile.in (df.o): Remove fibheap dependency.
* Makefile.in (df.o): Remove fibheap dependency.
* df.h: Do not include sbitmap.h.
(struct ref): New field "data".
(DF_REF_DATA): New accessor macro.
(struct df): Field "dom" removed.
(df_analyze_subcfg): New function.
(transfer_function_sbitmap, transfer_function_bitmap): Replaced by ...
(transfer_function): ... new type.
(iterative_dataflow_sbitmap, iterative_dataflow_bitmap): Replaced by ...
(iterative_dataflow): ... new function.
(enum set_representation, struct dataflow): New.
* df.c: Do not include fibheap.h.
(df_reg_def_chain_clean, df_reg_use_chain_clean,
(df_bb_table_realloc, df_analyse_subcfg, free_reg_ref_chain,
prune_to_subcfg, df_bb_modify): New functions.
(df_bitmaps_alloc, df_reg_def_chain_create, df_reg_use_chain_create,
df_refs_update, df_reg_table_realloc, df_ref_create,
df_bb_reg_def_chain_create, df_bb_reg_use_chain_create,
df_bb_rd_local_compute, df_bb_ru_local_compute, df_bb_lr_local_compute,
df_analyse_1, df_insn_modify): Support analysing only a part of the cfg.
(dataflow_set_a_op_b, dataflow_set_copy): New functions.
(df_rd_transfer_function, df_ru_transfer_function,
df_lr_transfer_function): Type of bitmaps changed to void *.
(hybrid_search_bitmap, hybrid_search_sbitmap): Merge into ...
(hybrid_search): ... new function.
(iterative_dataflow_bitmap, iterative_dataflow_sbitmap): Merge into ...
(iterative_dataflow): ... new function. Avoid use of fibheaps for
a worklist. Do not process basic blocks unnecessarily.
Roger Sayle [Thu, 10 Jun 2004 13:29:34 +0000 (13:29 +0000)]
fold-const.c (fold_abs_const): Make extern.
* fold-const.c (fold_abs_const): Make extern.
* tree.h (fold_abs_const): Prototype here.
* builtins.c (fold_builtin_fabs): New function to transform
fabs, fabsf and fabsl builtins into ABS_EXPR tree nodes.
(fold_builtin_abs): New function to transform abs, labs, llabs
and imaxabs builtins into ABS_EXPR tree nodes.
(expand_builtin): Fall back to a function call for abs, labs,
llabs and imaxabs builtins that survive constant folding.
(fold_builtin_1): Call fold_builtin_fabs for FABS, FABSF and
FABSL, and fold_builtin_abs for ABS, LABS, LLABS and IMAXABS.