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1 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
3         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
4         with MASK_SSE2.
5         (__builtin_ia32_vec_ext_v2di): Likewise.
6         (__builtin_ia32_vec_ext_v4si): Likewise.
7         (__builtin_ia32_vec_ext_v8hi): Likewise.
8         (__builtin_ia32_vec_ext_v16qi): Likewise.
9         (__builtin_ia32_vec_set_v8hi): Likewise.
11 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
13         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
15 2007-05-25  Richard Sandiford  <richard@codesourcery.com>
17         * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
18         (arm_is_longcall_p): Rename to...
19         (arm_is_long_call_p): ...this.  Take a single tree argument and
20         return a bool.
21         * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
22         (CUMULATIVE_ARGS): Remove call_cookie.
23         (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
24         (ENCODED_LONG_CALL_ATTR_P): Delete.
25         (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
26         LONG_CALL_FLAG_CHAR cases.
27         (ARM_DECLARE_FUNCTION_SIZE): Delete.
28         * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
29         ARM_DECLARE_FUNCTION_SIZE.
30         * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
31         (arm_function_arg): Return const0_rtx for VOIDmode arguments.
32         (arm_encode_call_attribute, current_file_function_operand): Delete.
33         (arm_function_in_section_p): New function.
34         (arm_is_longcall_p): Rename to...
35         (arm_is_long_call_p): ...this.  Take the target function as a single
36         argument and return a bool.  Do not rely on call cookies.  Check
37         whether the target symbol is in the same section as the current
38         function, not just the same compilation unit.
39         (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
40         (arm_encode_section_info): Don't encode a call type.
41         * config/arm/arm.md (call, call_value): Update calls to
42         arm_is_long(_)call_p.  Simplify logic.
43         (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
44         Update calls to arm_is_long(_)call_p.
46 2007-05-25  Richard Guenther  <rguenther@suse.de>
48         PR tree-optimization/31982
49         * tree-ssa-forwprop.c
50         (forward_propagate_addr_into_variable_array_index): Handle arrays
51         with element size one.
53 2007-05-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
55         * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
56         (umulsi3_highpart): Likewise.
58 2007-05-24  Ian Lance Taylor  <iant@google.com>
60         PR rtl-optimization/32069
61         * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
62         is NULL.
64 2007-05-24  Ollie Wild  <aaw@google.com>
66         * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
67         description.
69 2007-05-24  Richard Sandiford  <rsandifo@nildram.co.uk>
71         * postreload-gcse.c (reg_changed_after_insn_p): New function.
72         (oprs_unchanged_p): Use it to check all registers in a REG.
73         (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
74         (reg_set_between_after_reload_p): Delete.
75         (reg_used_between_after_reload_p): Likewise.
76         (reg_set_or_used_since_bb_start): Likewise.
77         (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
78         and reg_used_between_p instead of reg_set_or_used_since_bb_start.
79         Use reg_set_between_p instead of reg_set_between_after_reload_p.
80         * rtlanal.c (reg_set_p): Check whether REG overlaps
81         regs_invalidated_by_call, rather than just checking the
82         membership of REGNO (REG).
84 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
86         * doc/passes.texi: Document predictive commoning.
87         * doc/invoke.texi (-fpredictive-commoning): Document.
88         * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
89         * tree-ssa-loop-im.c (get_lsm_tmp_name): Export.  Allow
90         adding indices to the generated name.
91         (schedule_sm): Pass 0 to get_lsm_tmp_name.
92         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
93         * tree-pretty-print.c (op_symbol_1): Renamed to ...
94         (op_symbol_code): ... and exported.
95         (dump_omp_clause, op_symbol): Use op_symbol_code
96         instead of op_symbol_1.
97         * tree-pass.h (pass_predcom): Declare.
98         * timevar.def (TV_PREDCOM): New timevar.
99         * tree-ssa-loop.c (run_tree_predictive_commoning,
100         gate_tree_predictive_commoning, pass_predcom): New.
101         * tree-data-ref.c (find_data_references_in_loop): Find the
102         references in dominance order.
103         (canonicalize_base_object_address): Ensure that the result has
104         pointer type.
105         (dr_analyze_innermost): Export.
106         (create_data_ref): Code to fail for references with invariant
107         address moved ...
108         (find_data_references_in_stmt): ... here.
109         * tree-data-ref.h (dr_analyze_innermost): Declare.
110         * tree-affine.c: Include tree-gimple.h and hashtab.h.
111         (aff_combination_find_elt, name_expansion_hash,
112         name_expansion_eq, tree_to_aff_combination_expand,
113         double_int_constant_multiple_p, aff_combination_constant_multiple_p):
114         New functions.
115         * tree-affine.h (aff_combination_constant_multiple_p,
116         tree_to_aff_combination_expand): Declare.
117         * tree-predcom.c: New file.
118         * common.opt (fpredictive-commoning): New option.
119         * tree-flow.h (op_symbol_code, tree_predictive_commoning,
120         stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
121         * Makefile.in (tree-predcom.o): Add.
122         (tree-affine.o): Add TREE_GIMPLE_H dependency.
123         * passes.c (init_optimization_passes):  Add dceloop after
124         copy propagation in loop optimizer.  Add predictive commoning
125         to loop optimizer passes.
127 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
129         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
130         default hook.
132 2007-05-24  Jan Hubicka  <jh@suse.cz>
134         * gengenrtl.c (gendecl, gendef): Output the gens annotated for
135         statistics.
136         (genheader): Include statistics.h.
138         * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
139         notes are gone.
140         * print-rtl.c (flag_dump_unnumbered): Update comments.
141         (print_rtl): Fix my previous change.
142         * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
143         specific data.
145 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
147         PR middle-end/32018
148         * tree-ssa-threadupdate.c (thread_through_loop_header): Use
149         set_loop_copy.
150         (thread_through_all_blocks): Call initialize_original_copy_tables
151         and free_original_copy_tables.
152         * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
153         Use set_loop_copy.
154         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
155         * cfghooks.c (duplicate_block): Use get_loop_copy.
156         * cfg.c: Include cfgloop.h.
157         (loop_copy): New hash table.
158         (initialize_original_copy_tables): Initialize loop_copy table.
159         (free_original_copy_tables): Free loop_copy table.
160         (copy_original_table_clear, copy_original_table_set,
161         set_loop_copy, get_loop_copy): New functions.
162         (set_bb_original, set_bb_copy): Use copy_original_table_set.
163         * cfgloop.h (struct loop): Remove copy field.
164         * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
165         * basic-block.h (set_loop_copy, get_loop_copy): Declare.
167 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
169         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
170         -msse/-msse2/-msse3.
172 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
174         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
175         __builtin_ia32_vec_set_v2di with MASK_64BIT.
177 2007-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
179         PR target/27067
180         * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
181         * targhooks.h (default_mangle_decl_assembler_name): Declare
182         default hook.
183         * targhooks.c (default_mangle_decl_assembler_name): Define
184         default hook.
185         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
186         default hook.
187         * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
188         * langhooks.c (lhd_set_decl_assembler_name): Call
189         targetm.mangle_decl_assembler_name for names with global scope.
191         * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
192         default.
193         (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
194         * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
195         Declare.
196         * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
197         New. Factored out of i386_pe_encode_section_info.
198         (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
199         Move check for prior decoration of stdcall
200         symbols to i386_pe_encode_section_info.
201         (i386_pe_encode_section_info): Adjust call to
202         gen_stdcall_or_fastcall_suffix.  Use
203         i386_pe_maybe_mangle_decl_assembler_name, if needed.
204         (i386_pe_mangle_decl_assembler_name): New. Wrap
205         i386_pe_maybe_mangle_decl_assembler_name.
207 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
209         * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
210         INTEGRAL_TYPE_P and TYPE_UNSIGNED.
211         * langhooks.c (get_signed_or_unsigned_type): Don't check for
212         INTEGRAL_TYPE_P or TYPE_UNSIGNED.
213         (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
214         TYPE_UNSIGNED.
216 2007-05-23  Sandra Loosemore  <sandra@codesourcery.com>
217             Nigel Stephens  <nigel@mips.com>
218             Richard Sandiford  <richard@codesourcery.com>
220         Fix up MIPS16 hard float and add support for complex.
222         * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
223         (TARGET_SOFT_FLOAT_ABI): New.
224         (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
225         __mips_soft_float to reflect the ABI in use, not whether the
226         FPU is directly accessible (e.g., in MIPS16 mode).
227         (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
228         (UNITS_PER_FPVALUE): Likewise.
230         * config/mips/mips.c (mips_expand_call): Remove redundant
231         TARGET_MIPS16 check.
232         (mips_arg_regno): New.
233         (function_arg_advance): When setting bits in cum->fp_code for
234         MIPS16, don't subtract 1 from cum->arg_number, since it is now
235         zero-based.
236         (function_arg): Use mips_arg_regno.
237         (mips_return_mode_in_fpr_p): New.
238         (mips16_call_stub_mode_suffix): New.
239         (mips16_cfun_returns_in_fpr_p): New.
240         (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
241         (mips_output_function_prologue): Test mips16_hard_float, not
242         !TARGET_SOFT_FLOAT, to decide when a function stub is required.
243         (mips_expand_epilogue): Call MIPS16 helper routines to copy
244         return value into a floating-point register.
245         (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
246         (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
247         (mips16_fp_args): Handle MIPS32r2 ISA which supports
248         TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
249         word of double arguments from or to the high bits of 64-bit
250         floating point registers.
251         (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
252         (mips16_fpret_double): New helper function.
253         (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p.  Add
254         support for complex modes.  Fill in DECL_RESULT for stubdecl.
255         (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
257         * config/mips/mips16.S 
258         (RET, ARG1, ARG2): New.
259         (MERGE_GPRf, MERGE_GPRt): New.
260         (DELAYt, DELAYf): New.
261         (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
262         (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
263         (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
264         (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
265         (SFOP): Renamed to...
266         (OPSF3): This, and macro-ified.  Updated all uses.
267         (SFOP2): Renamed to...
268         (OPSF2): This, and macro-ified.  Updated all uses.
269         (SFCMP): Renamed to...
270         (CMPSF): This, and macro-ified.  Updated all uses.
271         (SFREVCMP): Renamed to...
272         (REVCMPSF): This, and macro-ified.  Updated all uses.
273         (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
274         (LDDBL1, LDDBL2, RETDBL): Deleted.
275         (DFOP): Renamed to...
276         (OPDF3): This, and macro-ified.  Updated all uses.
277         (DFOP2): Renamed to...
278         (OPDF2): This, and macro-ified.  Updated all uses.
279         (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
280         (DFCMP): Renamed to...
281         (CMPDF): This, and macro-ified.  Updated all uses.
282         (DFREVCMP): Renamed to...
283         (REVCMPDF): This, and macro-ified.  Updated all uses.
284         (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
285         (RET_FUNCTION): New.
286         (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
287         (__mips16_ret_sc, __mips16_ret_dc): New.
288         (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
289         STUB_ARGS_6, STUB_ARGS_10): New.
290         (CALL_STUB_NO_RET): New.
291         (__mips16_call_stub_1): Macro-ified.
292         (__mips16_call_stub_5): Macro-ified.
293         (__mips16_call_stub_2): Macro-ified.
294         (__mips16_call_stub_6): Macro-ified.
295         (__mips16_call_stub_9): Macro-ified.
296         (__mips16_call_stub_10): Macro-ified.
297         (CALL_STUB_RET): New.
298         (__mips16_call_stub_sf_0): Macro-ified.
299         (__mips16_call_stub_sf_1): Macro-ified.
300         (__mips16_call_stub_sf_5): Macro-ified.
301         (__mips16_call_stub_sf_2): Macro-ified.
302         (__mips16_call_stub_sf_6): Macro-ified.
303         (__mips16_call_stub_sf_9): Macro-ified.
304         (__mips16_call_stub_sf_10): Macro-ified.
305         (__mips16_call_stub_df_0): Macro-ified.
306         (__mips16_call_stub_df_1): Macro-ified.
307         (__mips16_call_stub_df_5): Macro-ified.
308         (__mips16_call_stub_df_2): Macro-ified.
309         (__mips16_call_stub_df_6): Macro-ified.
310         (__mips16_call_stub_df_9): Macro-ified.
311         (__mips16_call_stub_df_10): Macro-ified.
312         (__mips16_call_stub_sc_0): New.
313         (__mips16_call_stub_sc_1): New.
314         (__mips16_call_stub_sc_5): New.
315         (__mips16_call_stub_sc_2): New.
316         (__mips16_call_stub_sc_6): New.
317         (__mips16_call_stub_sc_9): New.
318         (__mips16_call_stub_sc_10): New.
319         (__mips16_call_stub_dc_0): New.
320         (__mips16_call_stub_dc_1): New.
321         (__mips16_call_stub_dc_5): New.
322         (__mips16_call_stub_dc_2): New.
323         (__mips16_call_stub_dc_6): New.
324         (__mips16_call_stub_dc_9): New.
325         (__mips16_call_stub_dc_10): New.
326         
327         * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
328         * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
329         * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
331 2007-05-23  Ian Lance Taylor  <iant@google.com>
333         * doc/invoke.texi (Invoking GCC): Document that the order of the
334         -l option matters.
336 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
338         PR target/30987
339         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
340         * config/score/predicate.md (const_pow2, const_npow2): Remove.
341         * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
342         undef.
344         PR target/30474
345         * config/score/score.c (score_print_operand): Make sure that only
346         lower bits are used.
347         
348 2007-05-22  Ian Lance Taylor  <iant@google.com>
350         * tree-vrp.c (avoid_overflow_infinity): New static function,
351         broken out of set_value_range_to_value.
352         (set_value_range_to_value): Call avoid_overflow_infinity.
353         (extract_range_from_assert): Likewise.
355 2007-05-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
357         PR middle-end/31095
358          * builtins.c (expand_builtin_memmove_args): Strip nops that don't
359         change the type before looking for a COMPOUND_EXPR.
361 2007-05-22  Ian Lance Taylor  <iant@google.com>
363         * lower-subreg.c (decompose_multiword_subregs): If we change an
364         insn, call remove_retval_note on it.
366 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
368         * regs.h (end_hard_regno): New function.
369         (END_HARD_REGNO, END_REGNO): New macros.
370         (add_to_hard_reg_set): New function.
371         (remove_from_hard_reg_set): Likewise.
372         (in_hard_reg_set_p): Likewise.
373         (overlaps_hard_reg_set_p): Likewise.
374         * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
375         (note_btr_set): Use END_HARD_REGNO.
376         * caller-save.c (setup_save_areas): Use end_hard_regno.
377         (mark_set_regs): Use END_HARD_REGNO.
378         (add_stored_regs): Use end_hard_regno.
379         (mark_referenced_regs): Use add_to_hard_reg_set.
380         * combine.c (update_table_tick): Use END_REGNO.
381         (record_value_for_reg): Likewise.
382         (record_dead_and_set_regs): Likewise.
383         (get_last_value_validate): Likewise.
384         (use_crosses_set_p): Likewise.
385         (reg_dead_at_p_1): Likewise.
386         (reg_dead_at_p): Likewise.
387         (mark_used_regs_combine): Use add_to_hard_reg_set.
388         (move_deaths): Use END_HARD_REGNO.
389         (reg_bitfield_target_p): Use end_hard_regno.
390         (distribute_notes): Use END_HARD_REGNO.
391         * cse.c (mention_regs): Use END_REGNO.
392         (insert): Use add_to_hard_reg_set.
393         (invalidate): Use END_HARD_REGNO.
394         (invalidate_for_call): Likewise.
395         (exp_equiv_p): Use END_REGNO.
396         (cse_insn): Likewise.
397         * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
398         * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
399         * df-scan.c (df_ref_record): Use END_HARD_REGNO.
400         * function.c (keep_stack_depressed): Use end_hard_regno.
401         * global.c (global_alloc): Use end_hard_regno.
402         (global_conflicts): Use add_to_hard_reg_set instead of
403         mark_reg_live_nc.
404         (find_reg): Likewise.
405         (mark_reg_store): Likewise.
406         (mark_reg_conflicts): Likewise.
407         (mark_reg_death): Use remove_from_hard_reg_set.
408         (mark_reg_live_nc): Delete.
409         (set_preference): Use end_hard_regno.
410         * local-alloc.c (mark_life): Use add_to_hard_reg_set and
411         remove_from_hard_reg_set.
412         (post_mark_life): Use add_to_hard_reg_set.
413         * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
414         (reg_becomes_live): Use add_to_hard_reg_set.
415         * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
416         (peep2_find_free_register): Use add_to_hard_reg_set.
417         * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
418         * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
419         * regrename.c (note_sets): Use add_to_hard_reg_set.
420         (clear_dead_regs): Use remove_from_hard_reg_set.
421         (regrename_optimize): Use add_to_hard_reg_set.
422         (find_oldest_value_reg): Use in_hard_reg_set_p.
423         * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
424         (hard_reg_set_here_p): Use end_hard_regno.
425         (decompose): Likewise.
426         (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
427         (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
428         * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
429         (mark_home_live): Use end_hard_regno.
430         (spill_hard_reg): Likewise.
431         (clear_reload_reg_in_use): Likewise.
432         * reorg.c (delete_prior_computation): Use END_REGNO.
433         * resource.c (update_live_status): Use END_HARD_REGNO.
434         (mark_referenced_resources): Use add_to_hard_reg_set.
435         (mark_set_resources): Likewise.
436         (mark_target_live_regs): Likewise.  Use remove_from_hard_reg_set.
437         * rtlanal.c (refers_to_regno_p): Use END_REGNO.
438         (reg_overlap_mentioned_p): Likewise.
439         (dead_or_set_p): Likewise.  Use an exclusive upper loop bound.
440         (covers_regno_no_parallel_p): Use END_REGNO.
441         (find_regno_note): Likewise.
442         (find_reg_fusage): Use END_HARD_REGNO.
443         * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
444         * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
446 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
448         * mode-switching.c (reg_dies): Change type of second argument to
449         "HARD_REG_SET *".
450         (optimize_mode_switching): Update accordingly.
452 2007-05-22  Richard Sandiford  <richard@codesourcery.com>
454         * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
455         in favor of...
456         (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
457         (hard_reg_set_empty_p): ...these new functions.
458         * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
459         GO_IF_HARD_REG_SUBSET.
460         * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
461         instead of GO_IF_HARD_REG_EQUAL.
462         * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
463         instead of GO_IF_HARD_REG_EQUAL.
464         * global.c (find_reg): Use hard_reg_set_empty_p instead of
465         GO_IF_HARD_REG_SUBSET.
466         (modify_reg_pav): Use hard_reg_set_empty_p instead of
467         GO_IF_HARD_REG_EQUAL.
468         * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
469         of GO_IF_HARD_REG_SUBSET.
470         * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
471         instead of GO_IF_HARD_REG_EQUAL.
472         * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
473         hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
474         (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
475         of GO_IF_HARD_REG_SUBSET,
476         * reload1.c (finish_spills): Use hard_reg_subset_p instead of
477         GO_IF_HARD_REG_SUBSET.
478         * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
479         instead of GO_IF_HARD_REG_EQUAL.
480         * config/sh/sh.c (push_regs, calc_live_regs): Use
481         hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
482         (hard_regs_intersect_p): Delete.
484 2007-05-22  Janis Johnson  <janis187@us.ibm.com>
486         * doc/sourcebuild.texi (Test Directives) Add dg-message.
488 2007-05-22  H.J. Lu  <hongjiu.lu@intel.com>
489             Richard Henderson  <rth@redhat.com>
491         * config.gcc (i[34567]86-*-*): Add smmintrin.h to
492         extra_headers.
493         (x86_64-*-*): Likewise.
495         * i386/i386-modes.def (V2QI): New.
497         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
498         SSE4A.
499         (override_options): Support SSE4.1.
500         (IX86_BUILTIN_BLENDPD): New for SSE4.1.
501         (IX86_BUILTIN_BLENDPS): Likewise.
502         (IX86_BUILTIN_BLENDVPD): Likewise.
503         (IX86_BUILTIN_BLENDVPS): Likewise.
504         (IX86_BUILTIN_PBLENDVB128): Likewise.
505         (IX86_BUILTIN_PBLENDW128): Likewise.
506         (IX86_BUILTIN_DPPD): Likewise.
507         (IX86_BUILTIN_DPPS): Likewise.
508         (IX86_BUILTIN_INSERTPS128): Likewise.
509         (IX86_BUILTIN_MOVNTDQA): Likewise.
510         (IX86_BUILTIN_MPSADBW128): Likewise.
511         (IX86_BUILTIN_PACKUSDW128): Likewise.
512         (IX86_BUILTIN_PCMPEQQ): Likewise.
513         (IX86_BUILTIN_PHMINPOSUW128): Likewise.
514         (IX86_BUILTIN_PMAXSB128): Likewise.
515         (IX86_BUILTIN_PMAXSD128): Likewise.
516         (IX86_BUILTIN_PMAXUD128): Likewise.
517         (IX86_BUILTIN_PMAXUW128): Likewise.
518         (IX86_BUILTIN_PMINSB128): Likewise.
519         (IX86_BUILTIN_PMINSD128): Likewise.
520         (IX86_BUILTIN_PMINUD128): Likewise.
521         (IX86_BUILTIN_PMINUW128): Likewise.
522         (IX86_BUILTIN_PMOVSXBW128): Likewise.
523         (IX86_BUILTIN_PMOVSXBD128): Likewise.
524         (IX86_BUILTIN_PMOVSXBQ128): Likewise.
525         (IX86_BUILTIN_PMOVSXWD128): Likewise.
526         (IX86_BUILTIN_PMOVSXWQ128): Likewise.
527         (IX86_BUILTIN_PMOVSXDQ128): Likewise.
528         (IX86_BUILTIN_PMOVZXBW128): Likewise.
529         (IX86_BUILTIN_PMOVZXBD128): Likewise.
530         (IX86_BUILTIN_PMOVZXBQ128): Likewise.
531         (IX86_BUILTIN_PMOVZXWD128): Likewise.
532         (IX86_BUILTIN_PMOVZXWQ128): Likewise.
533         (IX86_BUILTIN_PMOVZXDQ128): Likewise.
534         (IX86_BUILTIN_PMULDQ128): Likewise.
535         (IX86_BUILTIN_PMULLD128): Likewise.
536         (IX86_BUILTIN_ROUNDPD): Likewise.
537         (IX86_BUILTIN_ROUNDPS): Likewise.
538         (IX86_BUILTIN_ROUNDSD): Likewise.
539         (IX86_BUILTIN_ROUNDSS): Likewise.
540         (IX86_BUILTIN_PTESTZ): Likewise.
541         (IX86_BUILTIN_PTESTC): Likewise.
542         (IX86_BUILTIN_PTESTNZC): Likewise.
543         (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
544         (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
545         (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
546         (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
547         (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
548         (bdesc_ptest): New.
549         (bdesc_sse_3arg): Likewise.
550         (bdesc_2arg): Likewise.
551         (bdesc_1arg): Likewise.
552         (ix86_init_mmx_sse_builtins): Support SSE4.1.  Handle SSE builtins
553         with 3 args.
554         (ix86_expand_sse_4_operands_builtin): New.
555         (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
556         smaller than 8 bits as the 2nd arg.
557         (ix86_expand_sse_ptest): New.
558         (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
559         (ix86_expand_vector_set): Support SSE4.1.
560         (ix86_expand_vector_extract): Likewise.
562         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
563         __SSE4_1__ for -msse4.1.
565         * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
566         (UNSPEC_INSERTPS): Likewise.
567         (UNSPEC_DP): Likewise.
568         (UNSPEC_MOVNTDQA): Likewise.
569         (UNSPEC_MPSADBW): Likewise.
570         (UNSPEC_PHMINPOSUW): Likewise.
571         (UNSPEC_PTEST): Likewise.
572         (UNSPEC_ROUNDP): Likewise.
573         (UNSPEC_ROUNDS): Likewise.
575         * config/i386/i386.opt (msse4.1): New for SSE4.1.
577         * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
578         (const_pow2_1_to_32768_operand): Likewise.
580         * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
581         file.
583         * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
584         SSE4.1.
585         (sse4_1_insertps): Likewise.
586         (*sse4_1_extractps): Likewise.
587         (sse4_1_ptest): Likewise.
588         (sse4_1_mulv2siv2di3): Likewise.
589         (*sse4_1_mulv4si3): Likewise.
590         (*sse4_1_smax<mode>3): Likewise.
591         (*sse4_1_umax<mode>3): Likewise.
592         (*sse4_1_smin<mode>3): Likewise.
593         (*sse4_1_umin<mode>3): Likewise.
594         (sse4_1_eqv2di3): Likewise.
595         (*sse4_1_pinsrb): Likewise.
596         (*sse4_1_pinsrd): Likewise.
597         (*sse4_1_pinsrq): Likewise.
598         (*sse4_1_pextrb): Likewise.
599         (*sse4_1_pextrb_memory): Likewise.
600         (*sse4_1_pextrw_memory): Likewise.
601         (*sse4_1_pextrq): Likewise.
602         (sse4_1_blendpd): Likewise.
603         (sse4_1_blendps): Likewise.
604         (sse4_1_blendvpd): Likewise.
605         (sse4_1_blendvps): Likewise.
606         (sse4_1_dppd): Likewise.
607         (sse4_1_dpps): Likewise.
608         (sse4_1_movntdqa): Likewise.
609         (sse4_1_mpsadbw): Likewise.
610         (sse4_1_packusdw): Likewise.
611         (sse4_1_pblendvb): Likewise.
612         (sse4_1_pblendw): Likewise.
613         (sse4_1_phminposuw): Likewise.
614         (sse4_1_extendv8qiv8hi2): Likewise.
615         (*sse4_1_extendv8qiv8hi2): Likewise.
616         (sse4_1_extendv4qiv4si2): Likewise.
617         (*sse4_1_extendv4qiv4si2): Likewise.
618         (sse4_1_extendv2qiv2di2): Likewise.
619         (*sse4_1_extendv2qiv2di2): Likewise.
620         (sse4_1_extendv4hiv4si2): Likewise.
621         (*sse4_1_extendv4hiv4si2): Likewise.
622         (sse4_1_extendv2hiv2di2): Likewise.
623         (*sse4_1_extendv2hiv2di2): Likewise.
624         (sse4_1_extendv2siv2di2): Likewise.
625         (*sse4_1_extendv2siv2di2): Likewise.
626         (sse4_1_zero_extendv8qiv8hi2): Likewise.
627         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
628         (sse4_1_zero_extendv4qiv4si2): Likewise.
629         (*sse4_1_zero_extendv4qiv4si2): Likewise.
630         (sse4_1_zero_extendv2qiv2di2): Likewise.
631         (*sse4_1_zero_extendv2qiv2di2): Likewise.
632         (sse4_1_zero_extendv4hiv4si2): Likewise.
633         (*sse4_1_zero_extendv4hiv4si2): Likewise.
634         (sse4_1_zero_extendv2hiv2di2): Likewise.
635         (*sse4_1_zero_extendv2hiv2di2): Likewise.
636         (sse4_1_zero_extendv2siv2di2): Likewise.
637         (*sse4_1_zero_extendv2siv2di2): Likewise.
638         (sse4_1_roundpd): Likewise.
639         (sse4_1_roundps): Likewise.
640         (sse4_1_roundsd): Likewise.
641         (sse4_1_roundss): Likewise.
642         (mulv4si3): Don't expand for SSE4.1.
643         (smax<mode>3): Likewise.
644         (umaxv4si3): Likewise.
645         (uminv16qi3): Likewise.
646         (umin<mode>3): Likewise.
647         (umaxv8hi3): Rewrite.  Only enabled for SSE4.1.
649         * doc/extend.texi: Document SSE4.1 built-in functions.
651         * doc/invoke.texi: Document -msse4.1.
653 2007-05-22  Nathan Sidwell  <nathan@codesourcery.com>
655         * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
656         * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
657         * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
658         (ASM_SPEC): Add asm_pcrel_spec.
659         (EXTRA_SPECS): Add asm_pcrel_spec.
661 2007-05-21  David Daney  <ddaney@avtrex.com>
663         * doc/install.texi (Building a cross compiler): Add requirements
664         for Java cross compiler.
666 2007-05-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
668         PR middle-end/31995
669         * tree-chrec.c (evolution_function_is_affine_multivariate_p):
670         Add loopno argument.  Use evolution_function_is_invariant_rec_p
671         instead of evolution_function_is_constant_p.
672         Update calls to evolution_function_is_affine_multivariate_p.
673         * tree-chrec.h (evolution_function_is_affine_multivariate_p):
674         Add loopno argument.
675         * tree-scalar-evolution.c (gather_chrec_stats): Call
676         evolution_function_is_affine_multivariate_p with a loop
677         number of 0.
678         * tree-data-ref.c (analyze_miv_subscript): Likewise.
679         (analyze_overlapping_iterations): Likewise.
680         (access_functions_are_affine_or_constant_p): Likewise.
681         (build_classic_dist_vector_1): If the access functions
682         are equal, don't do anything.
684 2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
685             Paolo Carlini  <pcarlini@suse.de>
686             Uros Bizjak  <ubizjak@gmail.com>
688         * c-cppbuiltin.c (c_cpp_builtins): Define
689         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
690         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
691         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
692         * doc/cpp.texi ([Standard Predefined Macros]): Document.
694 2007-05-21  Mike Stump  <mrs@apple.com>
696         * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
697         handling as well.
698         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
700 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
702         * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
703         implementation if __OPTIMIZE__ is not defined.
704         (_mm_alignr_pi8): Ditto.
705         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
706         (_mm_inserti_si64): Ditto.
707         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
708         (_mm_slli_epi16): Ditto.
709         (_mm_slli_epi32): Ditto.
710         (_mm_slli_epi64): Ditto.
711         (_mm_srai_epi16): Ditto.
712         (_mm_srai_epi32): Ditto.
713         (_mm_srli_si128): Ditto.
714         (_mm_slli_si128): Ditto.
715         (_mm_srli_epi16): Ditto.
716         (_mm_srli_epi32): Ditto.
717         (_mm_srli_epi64): Ditto.
718         (_mm_extract_epi16): Ditto.
719         (_mm_insert_epi16): Ditto.
720         (_mm_shufflehi_epi16): Ditto.
721         (_mm_shufflelo_epi16): Ditto.
722         (_mm_shuffle_epi32): Ditto.
723         * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
724         (_m_pextrw): Ditto.
725         (_mm_insert_pi16): Ditto.
726         (_m_pinsrw): Ditto.
727         (_mm_shuffle_pi16): Ditto.
728         (_m_pshufw): Ditto.
729         (_mm_shufle_ps): Ditto.
730         (_mm_prefetch): Ditto.
732 2007-05-21  Andreas Krebbel  <krebbel1@de.ibm.com>
734         * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
735         * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
736         * real.c (encode_i370_single, decode_i370_single,
737         encode_i370_double, decode_i370_double): Functions removed.
738         (i370_single_format, i370_double_format): Initializations removed.
739         (real_maxval, round_for_format, exact_real_truncate, significand_size):
740         Consider the log2_b field to always be one.
741         (ieee_single_format, mips_single_format, coldfire_single_format,
742         ieee_double_format, mips_double_format, coldfire_double_format,
743         ieee_extended_motorola_format, ieee_extended_intel_96_format,
744         ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
745         ibm_extended_format, mips_extended_format, ieee_quad_format,
746         mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
747         decimal_single_format, decimal_double_format, decimal_quad_format,
748         c4x_single_format, c4x_extended_format, real_internal_format): Remove
749         initialization of log2_b.
750         * real.h (i370_single_format, i370_double_format): Declarations removed.
751         * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
752         field to always be one.
754 2007-05-21  Andreas Schwab  <schwab@suse.de>
756         * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
757         NOTE_INSN_BASIC_BLOCK_P.
758         (process_for_unwind_directive): Likewise.
760 2007-05-21  Nathan Sidwell  <nathan@codesourcery.com>
762         * builtins.c (expand_builtin_setjmp_setup): Update comment.
763         * function.h (struct function): Move va_list_gpr_size,
764         va_list_fpr_size, function_frequency to front of bitfields.  Add
765         calls_unwind_init.
766         (current_function_calls_unwind_init): New.
767         * except.c (expand_builtin_unwind_init): Set
768         current_function_calls_unwind_init not
769         current_function_has_nonlocal_label.
770         * reload1.c (has_nonexceptional_receiver): New.
771         (reload): Use it and current_function_calls_unwind_init to
772         determine whether call-saved regs must be saved.
774 2007-05-20  Jan Hubicka  <jh@suse.cz>
776         * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
777         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
778         * ddg.c (create_ddg): LIkewise.
779         * final.c (final): Remove hunk moving line numbernotes around since
780         they are no longer present at this stage.
781         (final_scan_insn): Use NOTE_KIND instead of
782         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
783         (output_asm_label): Likewise.
784         * reorg.c (dbr_schedule): Likewise.
785         * haifa-sched.c (unlink_other_notes): Likewise.
786         * mode-switching.c (optimize_mode_switching): Likewise.
787         * graph.c (start_bb): Likewise.
788         * rtl.def (NOTE): Update description.
789         * jump.c (squeeze_notes): Delete.
790         (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
791         NOTE_INSN_BASIC_BLOCK_P when possible.
792         * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
793         * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
794         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
795         (dwarf2out_var_location): Likewise.
796         * cfgbuild.c (make_edges): Likewise.
797         (find_basic_blocks_1): Likewise.
798         * function.c (reorder_blocks_1): Likewise.
799         (epilogue_done): Likewise.
800         (reposition_prologue_and_epilogue_notes): Likewise.
801         * print-rtl.c (print_rtx): Likewise; drop code for printing line number
802         notes.
803         (print_rtl): Likewise.
804         (print_rtl_single): Likewise.
805         * gcse.c (insert_insn_start_bb): Likewise.
806         * alias.c (init_alias_analysis): Likewise.
807         * calls.c (fixup_tail_calls): Likewise.
808         * except.c (sjlj_emit_function_enter): Likewise.
809         * emit-rtl.c (add_insn_after): Likeiwse.
810         (emit_label_before): Likewise.
811         (emit_label_after): Likewise.
812         (emit_note_before, emit_note_after, emit_note): Update
813         parameter to be enum insn_note; do not deal with source
814         files.
815         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
816         Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
817         when possible.
818         (merge_blocks_move_successor_nojumps): Simplify now when
819         we don't have BLOCK notes.
820         (try_optimize_cfg): Likewise.
821         * cfglayout.c (skip_insns_after_block): Likewise.
822         (record_effective_endpoints): Likewise.
823         (duplicate_insn_chain): Likewise.
824         * varasm.c (output_constant_pool_1): Likewise.
825         * sched-deps.c (sched_analyze): Likewise.
826         * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
827         Exterminate.
828         (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
829         * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
830         (SET_INSN_DELETED): Simplify.
831         (NOTE_LINE_NUMBER): Exterminate.
832         (NOTE_LINE_KIND): New.
833         (NOTE_INSN_BASIC_BLOCK_P): Update.
834         (enum insn_note): Simplify.
835         (GET_NOTE_INSN_NAME) Simplify.
836         (emit_note_before, emit_note_after, emit_note): Update prototype.
837         (squeeze_notes): Remove.
838         * sched-int.h (NOTE_NOT_BB_P): Update.
839         * resource.c (mark_target_live_regs): Update.
840         * sched-rgn.c (debug_dependencies): Update.
841         * sched-vis.c (print_insn): Update.
842         * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
843         * config/i386/i386.c (ix86_output_function_epilogue): Update.
844         * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
845         (TARGET_ADJUST_UNROLL_MAX): Likewise.
846         (split_branches): Update.
847         (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
848         4.0.0.
849         (sh_adjust_unroll_max): Exterminate.
850         * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
851         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
852         (m68hc11_reorg): Likewise.
853         * config/ia64/ia64.c (emit_insn_group_barriers): Update.
854         (emit_predicate_relation_info): Update.
855         (process_for_unwind_directive): Update.
856         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
857         (output_call): Update.
858         * config/pa/pa.c (output_lbranch): Update.
859         (output_millicode_call): Update.
860         (output_call): Update.
861         (pa_combine_instructions): Update.
862         * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
863         * config/bfin/bfin.c (gen_one_bundle): Update.
864         * cfgrtl.c (can_delete_note_p): Update.
865         (delete_insn): Update.
866         (rtl_merge_blocks): Update.
867         (commit_one_edge_insertion): Update.
868         (rtl_verify_flow_info): Update.
869         * stmt.c (expand_case): Do not call squeeze_notes.
871 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
872         
873         PR middle-end/7651
874         PR c++/11856
875         PR c/12963
876         PR c/23587
877         PR other/29694
878         * c.opt (Wtype-limits): New.
879         * doc/invoke.texi (Wtype-limits): Document it.
880         (Wextra): Enabled by -Wextra.
881         * c-opts.c (c_common_post_options): Enabled by -Wextra.
882         * c-common.c (shorten_compare): Warn with Wtype-limits.
884 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
886         * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
887         inlined function, not as a macro.
888         (_mm_alignr_pi8): Ditto.
889         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
890         (_mm_inserti_si64): Ditto.
891         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
892         (_mm_extract_epi16): Ditto.
893         (_mm_insert_epi16): Ditto.
894         (_mm_shufflehi_epi16): Ditto.
895         (_mm_shufflelo_epi16): Ditto.
896         (_mm_shuffle_epi32): Ditto.
897         * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
898         * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
899         all functions.
900         (_m_from_float): Add __extension__ to conversion.  Use 0.0f for
901         float constant.
902         (_m_to_float): Use C89 compatible assignment.
904 2007-04-20  Martin Michlmayr  <tbm@cyrius.com>
906         PR target/32007
907         * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
909 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
911         PR middle-end/7651
912         * doc/invoke.texi (Wreturn-type): Complete description.
913         (Wextra): Delete item about return-type warning.
914         * c-decl.c: Delete redundant Wextra warning.
915         
916 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
918         PR target/31585
919         * config/i386/pmmintrin.h: Do not include xmmintrin.h
920         * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
921         inlined function, not as a macro.
922         (_mm_prefetch): Ditto.
923         (_m_pextrw): Ditto.
924         (_mm_insert_pi16): Ditto.
925         (_m_pinsrw): Ditto.
926         (_mm_shuffle_pi16): Ditto.  Add const to __N argument.
927         (_m_pshufw): Ditto. Add const to __N argument.
928         (_mm_shufle_ps): Ditto.  Add const to __mask argument.
929         * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
930         (_mm_slli_epi32): Ditto.
931         (_mm_srli_si128): Implement as always inlined function, not as a macro.
932         Add __inline to function declaration.
933         (_mm_slli_si128): Ditto.
935 2007-05-19  Uros Bizjak  <ubizjak@gmail.com>
937         * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
938         FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
939         New constants.
940         (struct fenv): New structure.
941         (FP_HANDLE_EXCEPTIONS): New define.
942         (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
943         (_FP_DECL_EXP): New define.
944         (FP_INIT_ROUNDMODE): New define.
945         (FP_ROUNDMODE): New define.
947 2007-05-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
949         * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
950         (Wconversion): Update description.
951         (Wconversion-sign): New.
952         * c.opt (Wconversion-sign): New.
953         * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
954         means disabled for C++. Otherwise, take the status of Wconversion.
955         * c-common.c (conversion_warning): Warn with either Wconversion or
956         Wconversion-sign.
957         (warnings_for_convert_and_check): Conditions are already checked by
958         conversion_warning.
959         (convert_and_check): Don't check warnings if the conversion failed.
961 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
962            Anatoly Sokolov <aesok@dol.ru>
964         * config/avr/avr-protos.h (expand_prologue, expand_epilogue, 
965         avr_epilogue_uses) : Add declaration.
966         * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
967         * config/avr/constraints.md (R): New constraint.
968         config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI, 
969         UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
970         (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
971         (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
972         (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt, 
973         call_prologue_saves, epilogue_restores, return_from_epilogue,
974         return_from_main_epilogue, return_from_interrupt_epilogue, 
975         return_from_naked_epilogue, prologue, epilogue): New patterns.
976         (jump): Handle symbol reference.
977         * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr, 
978         avr_output_function_prologue, avr_output_function_epilogue): Remove 
979         functions.
980         (avr_init_machine_status, expand_prologue, expand_epilogue, 
981         avr_asm_function_end_prologue, avr_epilogue_uses, 
982         avr_asm_function_begin_epilogue): New functions.
983         (prologue_size, epilogue_size, jump_tables_size): Remove global 
984         variables.
985         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
986         (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
987         (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
988         (avr_override_options): Initialise init_machine_status.
989         (output_movhi): Handle all stack pointer loads.
990         (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
991         (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
992         * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
993         (EPILOGUE_USES) Redefine.
994         (machine_function) Declare.
996 2007-05-19  Richard Sandiford  <richard@codesourcery.com>
998         * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
999         Use a single return statement.
1001 2007-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1003         PR middle-end/30250
1004         * builtins.c (do_mpfr_lgamma_r): New.
1005         (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
1006         * tree.h (CASE_FLT_FN_REENT): New.
1008 2007-05-18  Geoffrey Keating  <geoffk@apple.com>
1010         * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
1011         (output_die): Use 'unsigned long' with %x.
1012         * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
1013         HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
1014         * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
1016         * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
1018 2007-05-18  H.J. Lu  <hongjiu.lu@intel.com>
1020         PR target/31989
1021         PR target/31681
1022         PR target/31666
1023         * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
1024         true if function has no argument.
1026 2007-05-18  DJ Delorie  <dj@redhat.com>
1028         * config/mips/mips.c (mips_offset_within_alignment_p): New.
1029         (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
1031 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
1033         * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
1034         sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
1035         count_trailing_zeros.
1036         (__i386__): Implement count_leading_zeros using __builtin_clz().
1037         Implement count_trailing_zeros usign __builtin_ctz().
1039 2007-05-18  Richard Sandiford  <richard@codesourcery.com>
1041         * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
1043 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
1045         PR middle-end/31344
1046         * expr.c (emit_move_change_mode): Change mode of push operands here.
1048 2007-05-17  Ian Lance Taylor  <iant@google.com>
1050         PR tree-optimization/31953
1051         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
1052         Change all callers.
1053         (set_value_range_to_null): Call set_value_range_to_value.
1054         (extract_range_from_comparison): Likewise.
1056 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1058         * toplev.c (print_version): Output GMP/MPFR version info.
1060         * builtins.c (CASE_MATHFN_REENT): New macro.
1061         (mathfn_built_in): Use it.
1062         * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
1063         BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
1064         BUILT_IN_LGAMMAL_R): New.
1065         * doc/extend.texi: Document new builtins.
1067         PR middle-end/31796
1068         * builtins.c (do_mpfr_remquo): New.
1069         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
1070         (fold_builtin_3): Handle BUILT_IN_REMQUO.
1072         PR middle-end/30251
1073         * builtins.c (fold_builtin_1): Handle y0, y1.
1074         (fold_builtin_2): Handle yn.
1076         PR middle-end/30251
1077         * builtins.c (do_mpfr_bessel_n): New.
1078         (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
1079         (fold_builtin_2): Handle BUILT_IN_JN.
1081 2007-05-17  Danny Smith  <dannysmith@users.sourceforge.net>
1083         PR target/31965
1084         * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
1085         TYPE_PRECISION (intmax_type_node).
1087 2007-05-17  Steve Ellcey  <sje@cup.hp.com>
1089         PR target/31850
1090         * reload.c (subst_reloads): Remove checking.
1092 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1094         PR rtl-optimization/31691
1095         * combine.c (simplify_set): Build a new src pattern instead of
1096         substituting its operands in the COMPARE case.
1098 2007-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1100         * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
1101         (execute_vrp): Preserve loops through jump threading.
1102         * tree-ssa-threadupdate.c (thread_single_edge,
1103         dbds_continue_enumeration_p, determine_bb_domination_status,
1104         thread_through_loop_header): New functions.
1105         (create_edge_and_update_destination_phis,
1106         create_edge_and_update_destination_phis): Set loops for the new blocks.
1107         (prune_undesirable_thread_requests): Removed.
1108         (redirect_edges): Do not pretend that redirect_edge_and_branch can
1109         create new blocks.
1110         (thread_block): Do not call prune_undesirable_thread_requests.
1111         Update loops.
1112         (mark_threaded_blocks): Select edges to thread here.
1113         (thread_through_all_blocks): Take may_peel_loop_headers argument.
1114         Thread edges through loop headers independently.
1115         * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
1116         * tree-pass.h (TODO_mark_first_instance): New.
1117         (first_pass_instance): Declare.
1118         * cfghooks.c (duplicate_block): Put the block to the original loop
1119         if copy is not specified.
1120         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
1121         jump threading.  Pass may_peel_loop_headers to
1122         thread_through_all_blocks according to first_pass_instance.
1123         * cfgloop.h (create_preheader): Declare.
1124         * tree-flow.h (thread_through_all_blocks): Declaration changed.
1125         * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
1126         * passes.c (first_pass_instance): New variable.
1127         (next_pass_1): Set TODO_mark_first_instance.
1128         (execute_todo): Set first_pass_instance.
1130 2007-05-17  Uros Bizjak  <ubizjak@gmail.com>
1132         PR tree-optimization/24659
1133         * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
1134         OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
1135         OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
1136         OTI_vec_pack_ufix_trunc.
1137         (vec_unpacks_float_hi_optab): Define new macro.
1138         (vec_unpacks_float_lo_optab): Ditto.
1139         (vec_unpacku_float_hi_optab): Ditto.
1140         (vec_unpacku_float_lo_optab): Ditto.
1141         (vec_pack_sfix_trunc_optab): Ditto.
1142         (vec_pack_ufix_trunc_optab): Ditto.
1143         * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
1144         and vec_pack_[s|u]fix_trunc_optab using
1145         vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
1146         * tree-vectorizer.c (supportable_widening_operation): Handle
1147         FLOAT_EXPR and CONVERT_EXPR.  Update comment.
1148         (supportable_narrowing_operation): New function.
1149         * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
1150         * tree-vect-transform.c (vectorizable_conversion): Handle
1151         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
1152         (vect_gen_widened_results_half): Move before vectorizable_conversion.
1153         (vectorizable_type_demotion): Call supportable_narrowing_operation()
1154         to check for target support.
1155         * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
1156         for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
1157         for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
1158         for VEC_PACK_FIX_TRUNC_EXPR.
1159         (expand_binop): Special case mode of the result for
1160         vec_pack_[u|s]fix_trunc_optab.
1161         (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
1162         vec_pack_[u|s]fix_trunc_optab.
1164         * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
1165         VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
1166         * tree-pretty-print.c (dump_generic_node): Handle
1167         VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
1168         VEC_PACK_FIX_TRUNC_EXPR.
1169         (op_prio): Ditto.
1170         * expr.c (expand_expr_real_1): Ditto.
1171         * tree-inline.c (estimate_num_insns_1): Ditto.
1172         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1174         * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
1175         (vec_unpacks_float_lo_v8hi): Ditto.
1176         (vec_unpacku_float_hi_v8hi): Ditto.
1177         (vec_unpacku_float_lo_v8hi): Ditto.
1178         (vec_unpacks_float_hi_v4si): Ditto.
1179         (vec_unpacks_float_lo_v4si): Ditto.
1180         (vec_pack_sfix_trunc_v2df): Ditto.
1182         * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
1183         Document.
1184         [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
1185         [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
1186         * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
1187         [vec_pack_ufix_trunc]: Ditto.
1188         [vec_unpacks_float_hi]: Ditto.
1189         [vec_unpacks_float_lo]: Ditto.
1190         [vec_unpacku_float_hi]: Ditto.
1191         [vec_unpacku_float_lo]: Ditto.
1193 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
1195         * soft-fp/README: Update for new files.
1196         * soft-fp/floattisf.c: New file.
1197         * soft-fp/floattidf.c: New file.
1198         * soft-fp/floattitf.c: New file.
1199         * soft-fp/floatuntisf.c: New file.
1200         * soft-fp/floatuntidf.c: New file.
1201         * soft-fp/floatuntitf.c: New file.
1202         * soft-fp/fixsfti.c: New file.
1203         * soft-fp/fixdfti.c: New file.
1204         * soft-fp/fixtfti.c: New file.
1205         * soft-fp/fixunssfti.c: New file.
1206         * soft-fp/fixunsdfti.c: New file.
1207         * soft-fp/fixunstfti.c: New file.
1208         * soft-fp/extendxftf.c: New file.
1209         * soft-fp/trunctfxf.c: New file.
1211         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
1212         (__trunctfxf2): Ditto.
1214         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
1215         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
1216         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
1217         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
1218         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
1219         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
1221         * config/i386/t-fprules-softfp64: New file.
1222         * config/i386/sfp-machine.h: New file.
1223         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
1224         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
1225         and soft-fp/t-softfp to tmake_file.
1226         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
1227         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
1228         
1229         * config/i386/t-linux64 (softfp_wrap_start): New.
1230         (softfp_wrap_end): New.
1231         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
1232         supported for TARGET_64BIT.
1234 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
1236         * c-common.c (c_common_signed_or_unsigned_type): Emulate 
1237         c_common_unsigned_type behavior.
1239 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
1241         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
1242         calls as pure.
1244 2007-05-16  Eric Christopher  <echristo@apple.com>
1246         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
1247         saving after stack push. Set sp_offset whenever we push.
1248         (rs6000_emit_epilogue): Move altivec register restore before
1249         stack push.
1251 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
1253         * configure.ac: Allow sysroots to be relocated under $prefix as
1254         well as $exec_prefix.
1255         * configure: Regenerate.
1257 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
1259         Revert:
1261         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
1263         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
1264         (gcc_tooldir): Likewise.
1265         * configure: Regenerate.
1266         * Makefile.in (libsubdir_to_prefix): New variable, based on the
1267         old configure.ac gcc_tooldir setting.
1268         (prefix_to_exec_prefix): New variable.
1269         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
1270         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
1272 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
1274         * c-typeck.c (build_binary_op): Return early for error.
1276 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
1278         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
1279         struct nb_iter_bound.
1280         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
1281         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
1282         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
1283         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
1284         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
1285         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
1286         (del_scev_info): Use ggc_free.
1287         (scev_initialize): Allocate scalar_evolution_info in gc memory.
1288         * loop-init.c: Include ggc.h.
1289         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
1290         (loop_optimizer_finalize): Use ggc_free.
1291         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
1292         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
1293         pass_iv_optimize): Add TODO_ggc_collect.
1294         * function.h (struct function): Remove skip marker from x_current_loops.
1295         * cfgloop.c: Include ggc.h.
1296         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
1297         memory.
1298         (establish_preds): Vector superloops is gc allocated.
1299         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
1300         loop->exits list.
1301         (flow_loops_find): Vector larray is gc allocated.
1302         (loop_exit_free): Use ggc_free.
1303         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
1304         that head of exits list is now not a part of struct loop.
1305         (record_loop_exits): Allocate exits table in gc memory.
1306         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
1307         head of exits list is now not a part of struct loop.
1308         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
1309         struct loop_exit): Add GTY marker.
1310         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
1311         Add skip marker to aux field.  Make head of exits list a separate
1312         object.
1313         (struct loops): Add GTY marker.  Make larray vector gc allocated.
1314         Add param marker to exits table.
1315         (get_loops): Type changed.
1316         * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
1317         dependency.
1318         (cfgloop.o, loop-init.o): Add ggc.h dependency.
1319         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
1320         * basic-block.h (struct basic_block_def): Remove skip marker from
1321         loop_father field.
1323 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
1325         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
1326         of 0 in the call to expand_expr().
1327         (expand_builtin_mathfn_3): Ditto.
1328         (expand_builtin_interclass_mathfn): Ditto.
1329         (expand_builtin_cexpi): Ditto.
1330         (expand_builtin_int_roundingfn): Ditto.
1331         (expand_builtin_int_roundingfn_2): Ditto.
1332         (expand_builtin_pow): Ditto.
1333         (expand_builtin_powi): Ditto.
1334         (expand_builtin_bswap): Ditto.
1335         (expand_builtin_unop): Ditto.
1336         (expand_builtin_fabs): Ditto.
1337         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
1338         the call to expand_expr().
1339         (expand_builtin_sync_operation): Ditto.
1340         (expand_builtin_compare_and_swap): Ditto.
1341         (expand_builtin_lock_test_and_set): Ditto.
1342         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
1343         instead of 0 in the call to expand_expr().
1344         (expand_builtin_extract_return_addr): Ditto.
1345         (expand_builtin_eh_return): Ditto.
1346         (expand_eh_return): Ditto.
1347         * explow.c (expr_size): Ditto.
1348         * expr.c (optimize_bitfield_assignment_op): Ditto.
1349         (expand_assignement): Ditto.
1350         (store_expr): Ditto.
1351         (store_field): Ditto.
1352         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
1353         the call to expand_expr().
1354         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
1355         in the call to expand_expr().
1356         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
1357         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
1358         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
1359         of expand_expr().
1360         * optabs.c (expand_vec_shift_expr): Ditto.
1361         (expand_vec_cond_expr): Ditto.
1362         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
1363         call to expand_expr().
1364         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
1365         in the call to expand_expr().
1367 2007-05-14  Dave Korn  <dave.korn@artimi.com>
1369         * genautomata.c (gen_regexp_el):  Allocate correct size for regexp.
1371 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
1373         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
1374         instead of c_common_unsigned_type.
1375         (c_common_unsigned_type): Remove.
1376         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
1377         c_common_unsigned_type.
1378         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
1379         c_common_unsigned_type.
1380         * c-common.h (c_common_unsigned_type): Remove.
1381         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
1382         c_common_unsigned_type.
1383         * c-format.c (check_format_types): Use unsigned_type_for instead of
1384         c_common_unsigned_type.
1385         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
1386         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
1387         c_common_unsigned_type.
1388         * convert.c (convert_to_integer): Use unsigned_type_for instead of
1389         lang_hooks.types.unsigned_type.
1390         * expmed.c (make_tree): Use unsigned_type_for instead of
1391         lang_hooks.types.unsigned_type.
1392         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
1393         lang_hooks.types.unsigned_type.
1394         (build_range_check): Likewise.
1395         (fold_unary): Likewise.
1396         (fold_binary): Likewise.
1397         (fold_ternary): Likewise.
1398         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
1399         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
1400         * tree.c (get_unsigned_type): New.
1401         (unsigned_type_for): Use get_unsigned_type instead of
1402         lang_hooks.types.unsigned_type.
1404 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
1406         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
1407         to m68k_get_function_kind.  Update its prototype.
1408         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
1409         interrupt_thread.
1410         (m68k_interrupt_function_p): Return enum m68k_function_type
1411         instead of bool.  Rename to m68k_get_function_kind.
1412         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
1413         target is not fido.
1414         (m68k_compute_frame_layout): Don't mark any register for save
1415         if an interrupt_thread attribute is specified.
1416         (m68k_hard_regno_rename_ok): Update a use of
1417         m68k_interrupt_function_p.
1418         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
1419         m68k_interrupt_function_p.
1420         (m68k_function_type): New.
1421         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
1422         for a function with an interrupt_thread attribute.
1423         * doc/extend.texi: Document the interrupt_thread attribute.
1425 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
1427         Fix PR tree-optimization/31911
1428         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
1429         if they didn't change the expression.
1431 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
1433         * tree-scalar-evolution.c (resolve_mixers): Exported.
1434         * tree-scalar-evolution.h (resolve_mixers): Declare.
1435         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
1436         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
1437         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
1438         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
1439         init_array_ref, init_pointer_ref, analyze_indirect_ref,
1440         strip_conversion, analyze_offset_expr, address_analysis,
1441         object_analysis, analyze_offset): Removed.
1442         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
1443         split_constant_offset, canonicalize_base_object_address,
1444         object_address_invariant_in_loop_p, disjoint_objects_p,
1445         dr_may_alias_p, dr_address_invariant_p): New functions.
1446         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
1447         and dr_analyze_alias.
1448         (initialize_data_dependence_relation): Use dr_may_alias_p
1449         and object_address_invariant_in_loop_p.
1450         (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
1451         is chrec_dont_know.
1452         (find_data_references_in_stmt): Restrict the analysis of data references
1453         to the given loop nest.
1454         (find_data_references_in_loop): Made static.  Pass loop nest to
1455         find_data_references_in_stmt.
1456         (compute_data_dependences_for_loop): Use DR_VOPS.
1457         (free_data_ref): Free DR_VOPS.
1458         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
1459         (struct innermost_loop_behavior): ... new.
1460         (struct base_object_info): Replaced by ...
1461         (struct indices): ... new.
1462         (struct dr_alias): New.
1463         (enum data_ref_type): Removed.
1464         (struct data_reference): Consist of struct innermost_loop_behavior,
1465         struct indices and struct dr_alias.
1466         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
1467         (DR_MEMTAG): Renamed to ...
1468         (DR_SYMBOL_TAG): ... this.
1469         (find_data_references_in_loop): Declaration removed.
1470         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
1471         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
1472         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
1473         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1475 2007-05-13  Revital Eres  <eres@il.ibm.com>
1477         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
1478         which walks virtual def-use chains to find redundant stores.
1479         (dse_optimize_stmt): Call it.
1481 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
1483         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
1484         * passes.c (init_optimization_passes): Move pass_jump_bypass
1485         after loop2.
1487         * basic-block.h (bb_has_eh_pred): Fix style issue.
1489 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
1491         PR rtl-optimization/31848
1492         * loop-invariant.c (move_invariant_reg): If we move an insn
1493         with a REG_EQUAL note, and that insn is not always executed,
1494         remove the REG_EQUAL note.
1496 2007-05-12  Richard Guenther  <rguenther@suse.de>
1498         PR tree-optimization/31797
1499         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
1500         propagate into a stmt that has volatile ops.
1502 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
1504         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
1505         (gcc_tooldir): Likewise.
1506         * configure: Regenerate.
1507         * Makefile.in (libsubdir_to_prefix): New variable, based on the
1508         old configure.ac gcc_tooldir setting.
1509         (prefix_to_exec_prefix): New variable.
1510         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
1511         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
1513 2007-05-11  Silvius Rus  <rus@google.com>
1515         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
1516         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
1517         * c-common.h (strict_aliasing_warning): Change return type.
1518         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
1519         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
1520         (build_c_cast): Condition call to strict_aliasing_warning.
1521         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
1522         * flags.h (set_Wstrict_aliasing): Declare.
1523         * opts.c (set_Wstrict_alising): Define, add call to.
1524         * tree-flow.h (strict_aliasing_warning_backend): Declare.
1525         * tree-ssa-alias-warnings.c: New file.
1526         * tree-ssa-alias.c (compute_may_aliases): Add call to
1527         strict_aliasing_warning_backend.
1529 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
1531         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
1532         Use loop_depth and loop_outer accessor functions.
1533         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
1534         determine_invariantness_stmt, move_computations_stmt): Ditto.
1535         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
1536         add_loop, loopify, unloop, fix_loop_structure): Ditto.
1537         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
1538         * tree-scalar-evolution.c (interpret_loop_phi,
1539         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
1540         instantiate_parameters_1, scev_const_prop): Ditto.
1541         * cfghooks.c (make_forwarder_block): Ditto.
1542         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
1543         * modulo-sched.c (loop_canon_p): Ditto.
1544         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
1545         slpeel_can_duplicate_loop_p): Ditto.
1546         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
1547         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
1548         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
1549         cancel_loop, verify_loop_structure): Ditto.
1550         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
1551         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
1552         superloops vector instead of "pred" array.
1553         (establish_preds): Take father loop as an argument.  Initialize the
1554         superloops vector.
1555         (flow_loop_tree_node_add): Pass father loop to establish_preds.  Do not
1556         initialize loop->outer.
1557         (flow_loop_tree_node_remove): Truncate the superloops vector.
1558         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
1559         "pred" merged to "superloops" vector.
1560         (loop_depth, loop_outer): New.
1561         (fel_init): Use loop_outer.
1563 2007-05-11  Jan Hubicka  <jh@suse.cz>
1565         * cgraphunit.c: Include gt-cgraphunit.h
1566         (static_ctors, static_dtors): New static vars.
1567         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
1568         based on implementation in c-common.c
1569         (cgraph_finalize_function): Call record_cdtor_fn.
1570         (cgraph_optimize): Call cgraph_build_cdtor_fns.
1571         * decl.c (finish_function): Do not call c_record_cdtor_fn.
1572         (c_write_global_declarations): Do not call c_build_cdtor_fns.
1573         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
1574         build_cdtor, c_build_cdtor_fns): Remove.
1575         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
1576         c_build_cdtor_fns): Remove prototype.
1578 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
1580         PR other/31852
1581         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
1582         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
1583         * builtins.c (fold_builtin_memchr): New.
1584         (expand_builtin_memchr): Call the latter.
1585         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
1586         * doc/extend.texi ([Other built-in functions provided by GCC]):
1587         Document memchr.
1589 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
1591         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
1592         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
1593         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
1594         PFPO_OP1_TYPE_SHIFT): Constants added.
1595         (DFP_ALL): Mode macro defined.
1596         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
1597         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
1598         Insn definitions added.
1599         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
1600         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
1601         Expanders added.
1603 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
1605         PR tree-optimization/31885
1606         * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
1607         to be undetermined.
1608         (automatically_generated_chrec_p): Return false for NULL.
1610 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
1612         * config/bfin/bfin.h (MOVE_RATIO): Define.
1614 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
1616         * config.gcc (sparc-wrs-vxworks): New target.
1617         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
1618         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
1619         * config/sparc/sparc.h: Include vxworks-dummy.h.
1620         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
1621         include LABEL_REFs too.
1622         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
1623         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
1624         VxWorks.
1625         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
1626         on VxWorks.
1627         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
1628         (sparc_emit_call_insn): New function.
1629         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
1630         functions when generating VxWorks PIC.
1631         * config/sparc/sparc.md (vxworks_load_got): New pattern.
1632         (call, call_value): Use sparc_emit_call_insn instead of
1633         emit_call_insn.
1635 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
1637         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
1639 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
1641         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
1642         for floating-point values if HOST_BITS_PER_LONG > 32.  Use split_double
1643         instead of operand_subword.
1645 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
1647         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
1648         * config/bfin/bfin.c (bfin_local_alignment): New function.
1649         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
1651 2007-05-08  Chao-ying Fu  <fu@mips.com>
1653         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
1654         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
1655         (smsub_widen_optab, umsub_widen_optab): Define.
1656         * optabs.c (init_optabs): Initialize smsub_widen_optab and
1657         umsub_widen_optab.
1658         * genopinit.c (optabs): Fill in smsub_widen_optab and
1659         umsub_widen_optab.
1660         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
1661         and umsub_widen_optab to implement multiply-subtract sequences.
1662         * config/mips/mips.md (*msac<u>_di): Rename to...
1663         (<u>msubsidi4): ...this.  Extend condition to include
1664         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
1665         of operand 0 to "ka" and use the three-operand form of msub<u>
1666         for TARGET_DSPR2.
1667         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
1668         to define_expands.
1670 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1672         PR rtl-optimization/28011
1673         * reload.c (push_reload): Set dont_share if IN appears in OUT
1674         also when IN is a PLUS rtx.
1675         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
1676         are same PLUS rtx.
1678 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
1680         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
1681         call unshare_all_decls.
1682         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
1683         (unshare_all_decls): Remove.
1685 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
1687         PR 31847
1688         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
1689         dumps.
1691 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
1692             Nigel Stephens  <nigel@mips.com>
1694         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
1695         Update comments and all uses.
1696         (MIN_FPRS_PER_FMT): Define.
1697         * config/mips/mips.c (function_arg): Fix to correctly handle
1698         the -mips32r2 -mfp64 -mabi=32 case.
1699         (override_options): Enable use of odd-numbered registers for
1700         SFmode values on MIPS32.
1701         (mips_save_reg_p): Save whole floating-point register pair if
1702         either half is used.
1703         (compute_frame_size): Fix comment.
1705 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
1707         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
1708         argument of type bool.
1709         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
1710         argument. Safely select temporary P register according to it.
1711         (do_link): Change call site of add_to_reg accordingly.
1712         (do_unlink): Add epilogue_p as a fourth argument and pass it
1713         to add_to_reg.
1714         (expand_interrupt_handler_epilogue): Change call of do_unlink
1715         accordingly.
1716         (bfin_expand_prologue): Add a third argument sibcall_p.
1717         * config/bfin/bfin.md (epilogue): Change call of
1718         bfin_expand_epilogue accordingly.
1719         (sibcall_epilogue): Likewise.
1720         (eh_return_internal): Likewise.
1722         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
1723         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
1724         * config/bfin/bfin.c (bfin_handle_option): Handle
1725         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
1726         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
1727         Support bf534, bf536 and bf561.
1728         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
1730 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
1732         PR target/31854
1733         * config/i386/i386.c (ix86_function_regparm): Process local
1734         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
1736 2007-05-07  Mike Stump  <mrs@apple.com>
1738         * doc/invoke.texi (Warning Options): Document that -Wempty-body
1739         also checks for and while statements in C++.
1741 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
1743         * gcc.c (at_file_supplied): New variable.
1744         (main): Set it if we expanded argv.
1745         (do_spec_1): Pass an @-file to the linker if we were called with
1746         an @-file argument and HAVE_GNU_LD.
1747         * collect2.c (at_file_supplied): New variable.
1748         (response_file): New variable.
1749         (collect_exit): Unlink response_file if necessary.
1750         (handler): Likewise.
1751         (do_wait): Likewise.
1752         (main): Set at_file_supplied if we expanded argv.
1753         (collect_execute): Pass an @-file to subprocesses if we were called
1754         with an @-file argument.
1755         * configure.ac: Add define for HAVE_GNU_LD.
1756         * configure: Regenerate.
1757         * config.in: Regenerate.
1759 2007-05-07  Naveen.H.S  <naveen.hs@kpitcummins.com>
1761         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
1762         operand to HI mode.
1763         (mulsi3): New.
1764         (divsi3): New.
1765         (udivsi3): New.
1767 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
1769         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1770         (TARGET_ENCODE_SECTION_INFO): Re-define.
1771         (m32c_encode_section_info): New
1772         (function_vector_handler): New
1773         (current_function_special_page_vector): New
1774         (m32c_special_page_vector_p): New.
1775         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
1776         Prototype.
1777         * config/m32c/jump.md: Added instruction JSRS for functions
1778         with attribute "function_vector".
1779         * doc/extend.texi (function_vector): Added description
1780         for M16C, M32C targets.
1782 2007-05-07  DJ Delorie  <dj@redhat.com>
1784         PR 31794
1785         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
1786         ashrpsi3, lshrpsi3): Update shift count constraint.
1788 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
1789             Nathan Froyd  <froydnj@codesourcery.com>
1791         PR 22133
1792         * c-incpath.c (add_path): Strip trailing path separators.
1794 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
1796         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
1797         Free dominance info before purging EH edges.
1798         (eliminate_degenerate_phis): Likewise.
1799         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
1801 2007-05-07  Jan Hubicka  <jh@suse.cz>
1803         * gimplify.c (gimplify_expr): Do not crash when folding
1804         (void *)(int)&a + 4.
1806 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1808         PR driver/31694
1809         * c-opts.c (lang_fortran): Make it non static.
1810         * c-common.h (lang_fortran): New prototype.
1811         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
1812         -lang-fortran option was passed by the driver.
1814 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
1816         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
1817         of ASSERT_CHECKING.  Tweak message.
1819 2007-05-06  Revital Eres  <eres@il.ibm.com>
1821         PR 30957
1822         * loop-unroll.c (insert_var_expansion_initialization):
1823         Initialize the expansions with -zero instead of +zero.
1825 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
1827         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
1828         into pic and non-pic versions. Mark r19 as used for
1829         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
1830         for tgd_load, tld_load and tie_load .
1831         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
1832         version of tgd_load, tld_load and tie_load depending on the
1833         value of flag_pic.
1835 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
1836             Jakub Jelinek  <jakub@redhat.com>
1838         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
1839         (__do_global_dtors_aux): Use more paranoid loop to run
1840         destructors if HIDDEN_DTOR_LIST_END.
1841         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
1843 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
1845         * varasm.c (align_variable): Don't increase alignment for
1846         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
1847         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
1849 2007-05-04  Josh Conner  <jconner@apple.com>
1851         * basic-block.h (cdi_direction): Assign values to all enumeration
1852         constants.
1853         (dom_computed): Remove.
1854         (dom_info_state): New.
1855         (set_dom_info_availability): New.
1856         * tree-ssa-loop-im.c (determine_invariantness): Initialize
1857         walk_data.dom_direction.
1858         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
1859         instead of dom_computed[].
1860         (split_edge): Likewise.
1861         (create_basic_block): Likewise.
1862         (merge_blocks): Likewise.
1863         * ifcvt.c (find_if_header): Likewise.
1864         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
1865         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
1866         * tree-ssa.c (verify_ssa): Likewise.
1867         * tree-cfg.c (tree_verify_flow_info): Likewise.
1868         (remove_edge_and_dominated_blocks): Likewise.
1869         * dominance.c (dom_computed): Make static.
1870         (calc_dfs_tree_nonrec): Change third param to a bool.
1871         (calc_dfs_tree): Change second param to a bool.
1872         (calc_idioms): Change second param to a bool.  Use
1873         dom_convert_dir_to_idx.
1874         (init_dom_info): Validate dir before using.
1875         (dom_convert_dir_to_idx): New.
1876         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
1877         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
1878         (free_dominance_info): Use dom_convert_dir_to_idx.
1879         (get_immediate_dominator): Likewise.
1880         (set_immediate_dominator): Likewise.
1881         (get_dominated_by): Likewise.
1882         (redirect_immediate_dominators): Likewise.
1883         (nearest_common_denominator): Likewise.
1884         (dominated_by_p): Likewise.
1885         (bb_dom_dfs_in): Likewise.
1886         (bb_dom_dfs_out): Likewise.
1887         (recount_dominator): Likewise.
1888         (iterate_fix_dominators): Likewise.
1889         (add_to_dominance_info): Likewise.
1890         (delete_from_dominance_info): Likewise.
1891         (first_dom_son): Likewise.
1892         (next_dom_son): Likewise.
1893         (dom_info_available_p): Likewise.
1894         (dom_info_state): New.
1895         (set_dom_info_availability): New.
1897 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
1899         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
1900         Expander removed.
1901         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
1903 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
1905         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
1906         (subdi3, subdi_carry): Delete.
1908 2007-05-04  Jan Hubicka  <jh@suse.cz>
1909             Richard Guenther  <rguenther@suse.de>
1911         * opts.c (decode_options): Do not fiddle with inlining
1912         parameters in case of optimizing for size.
1913         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
1914         for size do nothing.
1915         (cgraph_decide_inlining_of_small_function): When optimizing for
1916         size never inline functions increasing caller size.
1917         (cgraph_early_inlining): Inline for size when optimizing for size.
1919 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1921         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
1922         logical operations piecewise.
1923         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
1924         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
1925         subdi_sesidi_di): Delete.
1926         (add_with_carry): Produce carry in CC instead of a DREG to shorten
1927         the generated sequence.  Allow three-reg add in constraints.  Rewrite
1928         the rtl expression for carry to avoid zero_extend of a constant.
1929         (sub_with_carry): New pattern.
1930         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
1931         different sequence not involving jumps.
1932         (notbi): Now a named pattern.
1934 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
1936         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
1937         Add the note about a significant loss of accuracy of some
1938         mathematical routines when these options are used.
1940 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1942         * haifa-sched.c (rtx_vec_t): New typedef.
1943         (contributes_to_priority_p): Extract piece of priority () into new
1944         static function.
1945         (priority): Use the function.  Add assertion.
1946         (rank_for_schedule, set_priorities): Add assertion to check that
1947         insn's priority is initialized.
1948         (clear_priorities, calc_priorities): Change signature.  Make it update
1949         all relevant insns.  Update all callers ('add_to_speculative_block ()'
1950         and 'create_block_check_twin ()').
1951         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
1952         Add new field 'priority_status'.
1953         (INSN_PRIORITY_STATUS): New macro.
1954         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
1956 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1958         * sched-ebb.c (debug_ebb_dependencies): New static function.
1959         (init_ready_list): Use it.
1961         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
1962         with changed signature and 'debug_rgn_dependencies ()'.
1963         (debug_rgn_dependencies): New static function.
1964         (init_ready_list): Use it.
1966         * sched-int.h (debug_dependencies): Declare.
1968 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
1970         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
1972 2007-05-04  Dirk Mueller  <dmueller@suse.de>
1974         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
1976 2007-05-03  Jan Hubicka  <jh@suse.cz>
1978         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
1979         for pointer type in more cases than before.
1981         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
1983         * tree-object-size.c (plus_expr_object_size): When operand size is
1984         unknown, return unknown.
1986 2007-05-03  Dirk Mueller  <dmueller@suse.de>
1988         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
1990         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
1991         options.
1993         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
1995 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
1997         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
1999 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
2001         * config/soft-fp/double.h, config/soft-fp/extended.h,
2002         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
2003         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
2004         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
2005         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
2006         glibc CVS.
2008 2007-05-03  Ian Lance Taylor  <iant@google.com>
2010         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
2011         MASK_PPC_GFXOPT for 8540 or 8548.
2013 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
2015         * tree-vect-transform.c (vect_update_inits_of_drs): Use
2016         vect_print_dump_info() to output debug information.
2018 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
2020         PR target/31768
2021         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
2022         operands of size 2 when operand is not MEM_P.
2024 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
2026         PR tree-optimization/30565
2027         * lambda-code.c (perfect_nestify): Fix updating of dominators.
2029 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
2031         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
2032         (umulsi3_highpart): Use them.
2033         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
2034         for final accumulator to D regisster tranfser.
2036 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
2038         PR tree-optimization/31699
2039         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
2040         code.
2041         (vect_enhance_data_refs_alignment): Compute peel amount using
2042         TYPE_VECTOR_SUBPARTS instead of vf.
2043         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
2045 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
2047         PR bootstrap/31776
2048         * system.h: Remove inclusion of double-int.h
2049         * tree.h: Include double-int.h
2050         * gengtype.c: Likewise
2051         * cfgloop.h: Likewise
2052         * Makefile.in: Adjust dependencies on double-int.h
2054 2007-05-02  Eric Christopher  <echristo@apple.com>
2056         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
2057         -shared to -Zdynamiclib.
2059 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
2061         PR c++/31663
2062         * c-common.c (strip_pointer_or_array_types): New function.
2063         * c-common.h (strip_pointer_or_array_types): New function declaration.
2065 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
2067         PR tree-optimization/31771
2068         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
2070 2007-05-02  Paul Brook  <paul@codesourcery.com>
2072         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
2074 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2076         PR middle-end/29715
2077         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
2078         transformation.
2080 2007-05-02  Nick Clifton  <nickc@redhat.com>
2082         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
2084 2007-05-02  Richard Guenther  <rguenther@suse.de>
2086         PR tree-optimization/31146
2087         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2088         argument, single_use_p.  If we have a single use that is
2089         a conversion to the definition rhs type, propagate that rhs.
2090         (forward_propagate_addr_expr): Pass single_use_p argument
2091         to forward_propagate_addr_expr_1.
2093 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2095         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
2096         variable.
2098 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2100         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
2101         'AMD Family 10 core'.
2103 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2105         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
2106         and athlon64-sse3 as improved versions of k8, opteron and athlon64
2107         with SSE3 instruction set support.
2108         * doc/invoke.texi: Likewise.
2110 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2112         * config/i386/i386.c (override_options): Tuning 32-byte loop
2113         alignment for amdfam10 architecture. Increasing the max loop
2114         alignment to 24 bytes.
2116 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
2118         * config/m68k/constraints.md: New.
2119         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
2120         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
2121         EXTRA_CONSTRAINT): Remove.
2122         * config/m68k/m68k.md: Include constraints.md.
2123         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
2125 2007-05-01  Ian Lance Taylor  <iant@google.com>
2127         PR tree-optimization/31739
2128         * tree-vrp.c (vrp_val_is_max): New static function.
2129         (vrp_val_is_min): New static function.
2130         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
2131         copying the node.
2132         (set_value_range): Use vrp_val_is_{max,min}.
2133         (extract_range_from_assert): Likewise.
2134         (extract_range_from_binary_expr): Likewise.
2135         (extract_range_from_unary_expr): Likewise.
2136         (dump_value_range, vrp_meet): Likewise.
2137         (vrp_visit_phi_node): Likewise.
2138         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
2140 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
2142         * config/i386/gmon-sol2.c (size_t): New type.
2143         (intptr_t): Likewise.
2144         (s_textsize): Declare as size_t.
2145         (sbrk): Declare.
2146         (monstartup): Use size_t for sizes.
2147         (_mcount): Save and restore registers.
2148         (internal_mcount): Pass 0 as the first argument to monstartup
2149         in 64-bit mode.
2150         (moncontrol): Convert pointer to appropriately sized integer
2151         before passing to profil.
2153 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
2155         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
2156         __NO_FPRS__, not just if _SOFT_DOUBLE.
2157         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
2158         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
2159         also for E500 double.
2160         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
2161         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
2162         && !TARGET_FPRS).
2164 2007-05-01  Richard Guenther  <rguenther@suse.de>
2166         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
2167         is NULL.
2169 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
2171         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
2173 2007-05-01  Jan Hubicka  <jh@suse.cz>
2175         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
2176         invariant.
2178 2007-05-01  Jan Hubicka  <jh@suse.cz>
2180         * tree.h (maybe_fold_offset_to_component_ref): Remove.
2181         (maybe_fold_offset_to_reference): Declare.
2182         * fold-const.c (fold_unary): Do not fold
2183         (type *)&A into &A->field_of_type_and_offset_0
2184         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
2185         size is unknown, give up.
2186         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
2187         offsets.
2188         (maybe_fold_offset_to_reference): New.
2189         (maybe_fold_stmt_indirect): Use it.
2190         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
2191         * gimplify.c (gimplify_conversion): Canonicalize conversions to
2192         field references.
2193         (gimplify_expr): Likewise for plus_expr.
2195 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
2197         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
2198         bsi_after_labels.  Always insert statements before bsi.
2199         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
2200         * predict.c (apply_return_prediction): Check for empty blocks.
2201         * cfgexpand.c (lab_rtx_for_bb): New variable.
2202         (label_rtx_for_bb): Do not create new tree labels.
2203         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
2204         (tree_expand_cfg): Initialize lab_rtx_for_bb.
2205         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
2206         creating edges.
2207         (label_for_bb): Add field used.
2208         (update_eh_label, main_block_label): Mark the label used.
2209         (cleanup_dead_labels): Remove unused labels.
2211 2007-05-01  Richard Guenther  <rguenther@suse.de>
2213         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
2214         if it is not about to be set.
2215         (get_value_range): Do not pre-allocate equiv bitmap.
2216         (update_value_range): No need to clear equiv field.
2217         (add_equivalence): Change prototype to get bitmap pointer.
2218         Allocate bitmap here if it is not already.
2219         (extract_range_from_assert): Do not allocate bitmap here.
2220         Update callers to add_equivalence.
2221         (extract_range_from_ssa_name): Likewise.
2222         (get_vr_for_comparison): New static helper.
2223         (compare_name_with_value): Handle NULL equiv bitmap by
2224         peeling the first iteration of the comparison loop.
2225         Use get_vr_for_comparison.
2226         (compare_names): Handle NULL equiv bitmaps by using fake
2227         ones.  Use get_vr_for_comparison.
2229 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
2231         * double-int.c (mpz_set_double_int): Moved from
2232         tree-ssa-loop-niter.c.
2233         (mpz_get_double_int): Likewise; also, add option to wrap
2234         out-of-range integers.
2235         * double-int.h: New prototypes for above.
2236         * tree.c (get_static_type_bounds): Moved from
2237         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
2238         TYPE_MAX_VALUE if they exist..
2239         * tree.h: New prototype for above.
2240         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
2241         get_type_bounds calls.
2242         (mpz_set_double_int): Move to double-int.c.
2243         (get_type_bounds): Move to tree.c, rename to
2244         get_static_type_bounds.
2245         (mpz_to_double_int): Move to double-int.c, rename to
2246         mpz_get_double_int.
2248 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
2250         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
2251         DIV0 exception can fall through to a normal return.
2253 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
2255         PR middle-end/22156
2256         Temporarily revert:
2257         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2258         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2259         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2260         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2261         initialize align to silence bogus warning.
2262         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2263         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2264         all_no_warning.
2265         (struct sra_walk_fns): Remove use_all parameter from use.
2266         (sra_hash_tree): Handle BIT_FIELD_REFs.
2267         (sra_elt_hash): Don't hash bitfld blocks.
2268         (sra_elt_eq): Skip them in parent compares as well.  Handle
2269         BIT_FIELD_REFs.
2270         (sra_walk_expr): Don't maintain or pass down use_all_p.
2271         (scan_use): Remove use_all parameter.
2272         (scalarize_use): Likewise.  Re-expand assignment to
2273         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2274         output, and re-scalarize after output.  Don't mark anything
2275         for no warning.
2276         (scalarize_ldst): Adjust.
2277         (scalarize_walk_gimple_modify_statement): Likewise.
2278         (build_element_name_1): Handle BIT_FIELD_REFs.
2279         (instantiate_element): Don't warn for any element whose parent
2280         is used as a whole.
2281         (instantiate_missing_elements_1): Return the sra_elt.
2282         (canon_type_for_field): New.
2283         (try_instantiate_multiple_fields): New.
2284         (instantiate_missing_elemnts): Use them.
2285         (mark_no_warning): Removed.
2286         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2287         (REPLDUP, sra_build_elt_assignment): New.
2288         (generate_copy_inout): Use them.
2289         (generate_element_copy): Likewise.  Handle bitfld differences.
2290         (generate_element_zero): Don't recurse for blocks.  Use
2291         sra_build_elt_assignment.
2292         (generate_one_element_int): Take elt instead of var.  Use
2293         sra_build_elt_assignment.
2294         (generate_element_init_1): Adjust.
2295         (scalarize_use, scalarize_copy): Use REPLDUP.
2296         (scalarize_ldst): Move assert before dereference.
2297         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2299 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2301         PR C++/31721
2302         * tree.c (reconstruct_complex_type): Reconstruct a reference
2303         correctly.
2304         Also use the same mode for the pointer as the old pointer type.
2306 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2308         * doc/trouble.texi (Interoperation): Remove note about Ultrix
2309         Fortran compiler.
2311 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
2313         PR rtl-optimization/31676
2314         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
2315         (df_refs_record): Call it.
2317 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2319         * rtl.def (SS_ABS): New code.
2320         * config/bfin/bfin.c (print_operand): New modifier 'v'.
2321         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
2322         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
2323         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
2324         (bfin_init_builtins): Define them.
2325         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
2326         (bfin_expand_builtin): ... and handle the others here.
2327         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
2328         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
2329         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
2330         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
2331         operand is only HImode.
2333 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
2335         * regclass.c (scan_one_insn): Remove splitting of
2336         two address insns.
2338 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
2339             Nigel Stephens  <nigel@mips.com>
2341         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
2343 2007-04-28  Jan Hubicka  <jh@suse.cz>
2345         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
2346         insn_locators_alloc instead of insn_locators_initialize;
2347         call reset_block_changes.
2348         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2349         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
2350         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
2351         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
2352         * config/score/score.c (th_output_mi_thunk): Likewise.
2353         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
2354         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
2355         tolerate uninitialized locator info.
2357         Re-apply:
2358         * function.c (init_function_start): Don't init line number info.
2359         (expand_function_end): Update.
2360         (reset_block_changes, record_block_change, finalize_block_changes,
2361         check_block_change, free_block_changes): Kill.
2362         * function.h (reset_block_changes, record_block_change,
2363         finalize_block_changes, check_block_change, free_block_changes): Remove
2364         prototypes.
2365         (struct function): Remove ib_boundaries_block.
2366         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
2367         Use curr_insn_locator to initialize locator.
2368         (emit_line_note): Remove.
2369         * cfgexpand.c (expand_gimple_cond_expr): Update.
2370         (construct_exit_block): Likewise.
2371         (tree_expand_cfg): Initialize/finalize locators.
2372         * expr.c (expand_expr_real): Update.
2373         * cfglayout.c (line_locators_locs, line_locators_lines,
2374         file_locators_locs, file_locators_files): Remove.
2375         (set_block_levels): Move to cfgexpand.c.
2376         (insn_locators_initialize): Remove.
2377         (pass_insn_locators_initialize): Remove.
2378         (locations_locators_locs, locations_locators_vals): New static vars.
2379         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
2380         Likewise.
2381         (insn_locators_alloc, insn_locators_finalize,
2382         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
2383         New functions.
2384         (locator_location): New.
2385         (locator_line, locator_file): Rewrite.
2386         * rtl.h (emit_line_note): Kill.
2387         (insn_locators_alloc, insn_locators_finalize,
2388         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
2389         Declare.
2390         * tree-inline.c (initialize_cfun): Do not initialize
2391         ib_boundaries_block.
2392         * passes.c (pass_insn_locators_initialize): Remove.
2394 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
2396         * tree-cfg.c (move_block_to_fn): Release bb from dominance
2397         info.  Update last_basic_block correctly.
2399 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
2401         PR target/31701
2402         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
2403         register itself to hold the offset constant.  Tell flow the use
2404         of r4 and r5 when they are used.
2406 2007-04-27  Richard Guenther  <rguenther@suse.de>
2408         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
2409         if we simplified anything.
2410         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
2411         warnings until we did a simplification and the stmt was not
2412         marked as TREE_NO_WARNING.
2414 2007-04-27  Mike Stump  <mrs@apple.com>
2416         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
2418 2007-04-27  Ian Lance Taylor  <iant@google.com>
2420         PR middle-end/31710
2421         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
2422         TYPE_MAX_VALUE exist, convert them to the new type.
2424 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
2426         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
2427         if it claims to be available.
2428         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
2429         edge is redirected.
2430         (perform_tree_ssa_dce): Always free postdominators.
2432 2007-04-27  Richard Henderson  <rth@redhat.com>
2434         * config/alpha/predicates.md (aligned_memory_operand): Mark
2435         as define_special_predicate.
2436         (unaligned_memory_operand, normal_memory_operand): Likewise.
2437         (reg_or_unaligned_mem_operand): Remove.
2438         (any_memory_operand): Match the documentation and check for
2439         non-renumbered pseudos during reload.
2440         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
2441         alpha_secondary_reload_class, update to new interface, make static.
2442         Handle CQImode like HImode.  Remove FP subreg check.
2443         (alpha_expand_mov): Use replace_equiv_address.
2444         (alpha_expand_mov_nobwx): Use any_memory_operand.
2445         (TARGET_SECONDARY_RELOAD): New.
2446         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
2447         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
2448         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
2449         * config/alpha/alpha.md: ... here.
2450         (RELOAD12, reloadmode): New.
2451         (movcqi): New.
2452         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
2453         Don't handle the aligned case here.
2454         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
2455         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
2456         reload_inhi_help.  Don't expect a scratch register.
2457         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
2458         reload_outhi_help.
2459         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
2461 2007-04-27  Richard Guenther  <rguenther@suse.de>
2463         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
2465 2007-04-27  Richard Guenther  <rguenther@suse.de>
2467         PR tree-optimization/30965
2468         PR tree-optimization/30978
2469         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
2470         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
2471         (find_equivalent_equality_comparison): Likewise.
2472         (simplify_cond): Likewise.
2473         (get_prop_source_stmt): New helper.
2474         (get_prop_dest_stmt): Likewise.
2475         (can_propagate_from): Likewise.
2476         (remove_prop_source_from_use): Likewise.
2477         (combine_cond_expr_cond): Likewise.
2478         (forward_propagate_comparison): New function.
2479         (forward_propagate_into_cond): Rewrite to use fold for
2480         tree combining.
2481         (tree_ssa_forward_propagate_single_use_vars): Call
2482         forward_propagate_comparison to propagate comparisons.
2484 2007-04-27  Richard Guenther  <rguenther@suse.de>
2486         PR tree-optimization/31715
2487         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
2488         sure to do computation on the offset in an appropriate
2489         signed type.
2491 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
2493         * reload.h (elimination_target_reg_p): Declare.
2494         * reload.c (find_reloads): Don't apply the reg_rtx move
2495         optimization if the SET_DEST satisfies elimination_target_reg_p.
2496         * reload1.c (elimination_target_reg_p): New function.
2497         (gen_reload): In the move/add2 fallback, make sure that op0
2498         does not overlap the destination register.
2500 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
2502         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
2503         transform only GIMPLE_MODIFY_STMTs.
2504         * tree-complex.c (expand_complex_operations_1): Ditto.
2505         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
2506         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
2507         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
2508         branches.
2509         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
2510         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
2511         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
2512         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
2513         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
2514         slpeel_add_loop_guard): Ditto.
2515         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
2516         * lambda-code.c (perfect_nestify): Ditto.
2517         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
2518         before the first statement.
2519         * tree-optimize.c (execute_free_datastructures): Fix comments.
2520         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
2521         * tree-flow.h (disband_implicit_edges): Declaration removed.
2522         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
2523         branches.
2524         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
2525         without gotos.
2526         (disband_implicit_edges, has_label_p): Removed.
2527         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
2528         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
2529         branches.
2530         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
2531         side effects.
2532         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
2533         also for COND_EXPRs.
2534         * cfgexpand.c (label_rtx_for_bb): New function.
2535         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
2536         Use label_rtx_for_bb to find the labels.
2537         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
2538         last block.  Detect fallthru edges.
2540 2007-04-26  Ian Lance Taylor  <iant@google.com>
2542         PR target/28675
2543         * reload.c (find_reloads_subreg_address): If the address was valid
2544         in the original mode but not in the new mode, reload the whole
2545         address.
2547 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
2549         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
2550         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
2551         (cleanup_control_expr_graph): Do not invalidate dominance info.
2552         Record altered blocks.
2553         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
2554         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
2555         cleanup_tree_cfg_bb): New functions.
2556         (remove_forwarder_block): Do not maintain the worklist of blocks.
2557         Record altered blocks.
2558         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
2559         not over whole cfg.
2560         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
2561         delete_unreachable_blocks if dominators are not available.
2562         * tree-inline.c (optimize_inline_calls): Free dominance information
2563         earlier.
2564         * tree-flow.h (remove_edge_and_dominated_blocks,
2565         cfgcleanup_altered_bbs): Altered.
2566         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
2567         blocks.
2568         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
2569         functions.
2570         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
2571         do not invalidate dominators.
2573 2007-04-26  Anatoly Sokolov <aesok@post.ru>
2575         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
2576         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
2577         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2578         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2580 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
2582         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
2584 2007-04-26  Richard Guenther  <rguenther@suse.de>
2586         PR tree-optimization/31703
2587         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
2588         the right type for the target of the bittest.
2590 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
2592         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
2593         ix86_sol10_return_in_memory.
2595 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
2597         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
2598         variables.
2600 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
2602         PR c++/31598
2603         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
2605         PR tree-optimization/30558
2606         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
2607         clear this_state.prev_try.
2609 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
2610             Mark Mitchell  <mark@codesourcery.com>
2612         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
2613         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
2614         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
2616 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
2618         PR driver/31107
2619         * doc/invoke.texi (%:print-asm-header): Document.
2620         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
2621         and -ftarget-help.
2622         (static_spec_functions): Add print-asm-header.
2623         (main): Print a banner before the --target-help linker options.
2624         (print_asm_header_spec_function): New function.
2626 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2628         PR target/31403
2629         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
2630         (movsf_ie): Likewise.
2632 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
2634         * doc/extend.texi ([Type Traits]): Adjust per N2255.
2636 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
2638         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
2639         for divide-by-zero.
2640         (__umodsi3, __modsi3): Likewise.
2642 2007-04-25  Dirk Mueller  <dmueller@suse.de>
2644         * c-typeck.c (build_compound_expr): Annotate warning()
2645         call with OPT_Wunused_value.
2646         * tree-ssa.c (warn_uninit): Annotate warning with
2647         OPT_Wunintialized.
2648         * c-common.c (handle_sentinel_attribute): Annotate warning
2649         call with OPT_Wattributes.
2651 2007-04-25  Thiemo Seufer  <ths@mips.com>
2653         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
2654         (mips16): Fix typo.
2655         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
2656         on to the assembler.  Improve handling of -mno-mips16.  Add handling
2657         of -mno-mips3d, -mno-dsp, -mno-dspr2.
2658         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
2659         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
2660         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
2662 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
2664         PR target/31680
2665         * config/i386/winnt.c (i386_pe_file_end): Strip only
2666         USER_LABEL_PREFIX when writing export name.
2668 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
2670         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
2671         sh/elf.h, vx-common.h and vxworks.h.
2672         * config/sh/sh.h: Include config/vxworks-dummy.h.
2673         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2674         (OVERRIDE_OPTIONS): Use it.
2675         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
2676         (vxworks_picreg): New pattern.
2677         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
2678         VXWORKS_OS_CPP_BUILTINS.
2679         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
2680         to their VXWORKS_* equivalents.
2681         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
2682         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
2683         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
2684         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
2685         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
2686         -mrtp/-fPIC multilibs.
2687         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
2688         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
2689         (MULTILIB_OSDIRNAMES): Delete.
2691 2007-04-25  Anatoly Sokolov <aesok@post.ru>
2693         PR target/18989
2694         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
2696 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
2698         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
2699         rounding mode to be specified by the caller.
2700         (real_to_mpfr) Likewise.
2701         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
2702         include new arguments.
2703         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
2705 2007-04-24  Ian Lance Taylor  <iant@google.com>
2707         PR tree-optimization/31605
2708         * tree-vrp.c (set_value_range): Check that min and max are not
2709         both overflow infinities.
2710         (set_value_range_to_value): New static function.
2711         (extract_range_from_binary_expr): Call set_value_range_to_value.
2712         (extract_range_from_cond_expr): Likewise.
2713         (extract_range_from_expr): Likewise.
2714         (extract_range_from_unary_expr): Likewise.  Don't create a range
2715         which overflows on both sides.
2716         (vrp_meet): Check for a useless range.
2717         (vrp_visit_phi_node): If we see a constant which looks like an
2718         overflow infinity, turn off the TREE_OVERFLOW flag.
2720 2007-04-24  Ian Lance Taylor  <iant@google.com>
2722         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
2724 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
2726         PR diagnostic/25923
2727         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
2728         diagnostic message is being built.
2729         * tree-pretty-print.c (dump_generic_node): Only write the
2730         formatted text into BUFFER's stream if we are not building a
2731         diagnostic message.
2732         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
2733         dump_generic_node.
2734         * Makefile.in (toplev.o): Depend on tree-pass.h.
2736 2007-04-24  Ian Lance Taylor  <iant@google.com>
2738         PR tree-optimization/31602
2739         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
2740         conditionals in the copied loop header.
2741         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
2742         warnings if TREE_NO_WARNING is set.
2743         * doc/invoke.texi (Warning Options): Clarify that
2744         -Wstrict-overflow does not warn about loops.
2746 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
2748         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
2749         expand on the comment about _Decimal128 arguments and check the
2750         integer result of the modulus operation; for 64-bit ELF ABI, ensure
2751         that _Decimal128 argument uses even/odd register pair.
2752         (function_arg): Ditto.
2754 2007-04-24  Hui-May Chang <hm.chang@apple.com>
2756         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
2757         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
2759 2007-04-24  Richard Guenther  <rguenther@suse.de>
2760             Olga Golovanevsky  <olga@il.ibm.com>
2762         * fold-const.c (multiple_of_p): Check for bottom
2763         to be zero.
2765 2007-04-24  Richard Henderson  <rth@redhat.com>
2767         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
2768         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
2769         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
2770         looking for non-zero bits shifted out.  Avoid a recursive call
2771         when constructing the scalar.
2772         (__floatundisf): Likewise.
2774 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
2776         * dwarf2out.c (field_byte_offset): Move the existing logic
2777         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
2778         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
2780 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2782         PR target/31641
2783         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
2784         argument of 0 for memset.
2785         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
2786         unsigned shift instead of the signed variant.
2788 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2790         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
2791         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
2792         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
2793         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2794         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
2795         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
2796         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
2797         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
2798         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
2799         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
2800         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
2801         "mul<mode>3", "div<mode>3"): Insn definitions added.
2802         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
2803         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
2804         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
2805         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
2806         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
2807         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
2808         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
2809         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
2810         TARGET_FLOAT_FORMAT): Macro definitions removed.
2811         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
2812         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
2813         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
2814         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
2815         (s390_gen_rtx_const_DI): Function removed.
2816         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
2818 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
2820         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
2821         over an external ffs function.
2823 2007-04-24  Chao-ying Fu  <fu@mips.com>
2824             Richard Sandiford  <richard@nildram.co.uk>
2826         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
2827         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
2828         (smadd_widen_optab, umadd_widen_optab): Define.
2829         * optabs.c (init_optabs): Initialize smadd_widen_optab and
2830         umadd_widen_optab.
2831         * genopinit.c (optabs): Fill in smadd_widen_optab and
2832         umadd_widen_optab.
2833         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
2834         and umadd_widen_optab to implement multiply-add sequences.
2835         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
2836         (<u>maddsidi4): ...this.  Extend condition to include
2837         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
2838         of operand 0 to "ka" and use the three-operand form of madd<u>
2839         for TARGET_DSPR2.
2840         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
2841         to define_expands.
2842         * config/mips/constraints.md (ka): New register constraint.
2844 2007-04-24  Jan Hubicka  <j@suse.cz>
2846         Revert:
2848         2007-04-23  Jan Hubicka  <jh@suse.cz>
2849         * function.c (init_function_start): Don't init line number info.
2850         (expand_function_end): Update.
2851         (reset_block_changes, record_block_change, finalize_block_changes,
2852         check_block_change, free_block_changes): Kill.
2853         * function.h (reset_block_changes, record_block_change,
2854         finalize_block_changes, check_block_change, free_block_changes): Remove
2855         prototypes.
2856         (struct function): Remove ib_boundaries_block.
2857         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
2858         Use curr_insn_locator to initialize locator.
2859         (emit_line_note): Remove.
2860         * cfgexpand.c (expand_gimple_cond_expr): Update.
2861         (construct_exit_block): Likewise.
2862         (tree_expand_cfg): Initialize/finalize locators.
2863         * expr.c (expand_expr_real): Update.
2864         * cfglayout.c (line_locators_locs, line_locators_lines,
2865         file_locators_locs, file_locators_files): Remove.
2866         (set_block_levels): Move to cfgexpand.c.
2867         (insn_locators_initialize): Remove.
2868         (pass_insn_locators_initialize): Remove.
2869         (locations_locators_locs, locations_locators_vals): New static vars.
2870         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
2871         Likewise.
2872         (insn_locators_alloc, insn_locators_finalize,
2873         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
2874         New functions.
2875         (locator_location): New.
2876         (locator_line, locator_file): Rewrite.
2877         * rtl.h (emit_line_note): Kill.
2878         (insn_locators_alloc, insn_locators_finalize,
2879         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
2880         Declare.
2881         * tree-inline.c (initialize_cfun): Do not initialize
2882         ib_boundaries_block.
2883         * passes.c (pass_insn_locators_initialize): Remove.
2885 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
2887         * doc/invoke.texi: Removed leading '-' from option index entries.
2889 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
2891         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
2892         Use phi_nodes_ptr.
2893         (create_phi_node): Use set_phi_nodes.
2894         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
2895         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
2896         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
2897         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
2898         (bsi_start, bsi_last): Use bb_stmt_list.
2899         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
2900         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
2901         Traverse the statements using tsi iterator.
2902         * basic-block.h (struct basic_block_def): Fields stmt_list
2903         and phi_nodes moved to ...
2904         (struct tree_bb_info): ... new structure.
2905         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
2906         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
2907         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
2908         (tree_verify_flow_info): Verify that il.tree is not set for
2909         entry and exit block.
2910         (tree_split_block): Use set_bb_stmt_list.
2912 2007-04-23  Mike Stump  <mrs@apple.com>
2914         * config/i386/i386.c (ix86_tune_features
2915         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
2916         nocona and core2.
2918 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
2920         * config/i386/i386.md (prefix_extra): New attribute.
2921         (length): Add prefix_extra.
2923         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
2924         (sse2_movntv2di): Likewise.
2925         (sse2_cvtps2dq): Likewise.
2926         (sse2_cvtpd2pi): Likewise.
2927         (sse2_cvttpd2pi): Likewise.
2928         (*sse2_cvtpd2ps): Likewise.
2929         (*add<mode>3): Likewise.
2930         (sse2_ssadd<mode>3): Likewise.
2931         (sse2_usadd<mode>3): Likewise.
2932         (*sub<mode>3): Likewise.
2933         (sse2_sssub<mode>3): Likewise.
2934         (sse2_ussub<mode>3): Likewise.
2935         (*mulv8hi3): Likewise.
2936         (*smulv8hi3_highpart): Likewise.
2937         (*umulv8hi3_highpart): Likewise.
2938         (sse2_umulv2siv2di3): Likewise.
2939         (sse2_pmaddwd): Likewise.
2940         (ashr<mode>3): Likewise.
2941         (lshr<mode>3): Likewise.
2942         (ashl<mode>3): Likewise.
2943         (sse2_ashlti3): Likewise.
2944         (sse2_lshrti3): Likewise.
2945         (*umaxv16qi3): Likewise.
2946         (*smaxv8hi3): Likewise.
2947         (*uminv16qi3): Likewise.
2948         (*sminv8hi3): Likewise.
2949         (sse2_eq<mode>3): Likewise.
2950         (sse2_gt<mode>3): Likewise.
2951         (*and<mode>3): Likewise.
2952         (sse2_nand<mode>3): Likewise.
2953         (*ior<mode>3): Likewise.
2954         (*xor<mode>3): Likewise.
2955         (sse2_packsswb): Likewise.
2956         (sse2_packssdw): Likewise.
2957         (sse2_packuswb): Likewise.
2958         (sse2_punpckhbw): Likewise.
2959         (sse2_punpcklbw): Likewise.
2960         (sse2_punpckhwd): Likewise.
2961         (sse2_punpcklwd): Likewise.
2962         (sse2_punpckhdq): Likewise.
2963         (sse2_punpckldq): Likewise.
2964         (sse2_punpckhqdq): Likewise.
2965         (sse2_punpcklqdq): Likewise.
2966         (*sse2_pinsrw): Likewise.
2967         (*sse2_pextrw): Likewise.
2968         (sse2_pshufd_1): Likewise.
2969         (sse2_uavgv16qi3): Likewise.
2970         (sse2_uavgv8hi3): Likewise.
2971         (sse2_psadbw): Likewise.
2972         (sse2_pmovmskb): Likewise.
2973         (*sse2_maskmovdqu): Likewise.
2974         (*sse2_maskmovdqu_rex64): Likewise.
2975         (sse4a_extrqi): Likewise.
2976         (sse4a_extrq): Likewise.
2977         (sse3_lddqu): Set prefix_rep.
2978         (sse3_addsubv4sf3): Likewise.
2979         (sse3_haddv4sf3): Likewise.
2980         (sse3_hsubv4sf3): Likewise.
2981         (sse_cvtss2si): Likewise.
2982         (sse_cvtss2si_2): Likewise.
2983         (sse_cvtss2siq): Likewise.
2984         (sse_cvtss2siq_2): Likewise.
2985         (sse_cvttss2si): Likewise.
2986         (sse_cvttss2siq): Likewise.
2987         (sse2_cvttps2dq): Likewise.
2988         (sse3_movshdup): Likewise.
2989         (sse3_movsldup): Likewise.
2990         (sse2_cvtsd2si): Likewise.
2991         (sse2_cvtsd2si_2): Likewise.
2992         (sse2_cvtsd2siq): Likewise.
2993         (sse2_cvtsd2siq_2): Likewise.
2994         (sse2_cvttsd2si): Likewise.
2995         (sse2_cvttsd2siq): Likewise.
2996         (*sse2_cvtpd2dq): Likewise.
2997         (*sse2_cvttpd2dq): Likewise.
2998         (sse2_pshuflw_1): Likewise.
2999         (sse2_pshufhw_1): Likewise.
3000         (sse4a_insertqi): Likewise.
3001         (sse4a_insertq): Likewise.
3002         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
3003         (ssse3_phadddv4si3): Likewise.
3004         (ssse3_phaddswv8hi3): Likewise.
3005         (ssse3_phsubwv8hi3): Likewise.
3006         (ssse3_phsubdv4si3): Likewise.
3007         (ssse3_phsubswv8hi3): Likewise.
3008         (ssse3_pmaddubswv8hi3): Likewise.
3009         (ssse3_pmulhrswv8hi3): Likewise.
3010         (ssse3_pshufbv16qi3): Likewise.
3011         (ssse3_psign<mode>3): Likewise.
3012         (ssse3_palignrti): Likewise.
3013         (abs<mode>2): Likewise.
3014         (ssse3_phaddwv4hi3): Set prefix_extra.
3015         (ssse3_phadddv2si3): Likewise.
3016         (ssse3_phaddswv4hi3): Likewise.
3017         (ssse3_phsubwv4hi3): Likewise.
3018         (ssse3_phsubdv2si3): Likewise.
3019         (ssse3_phsubswv4hi3): Likewise.
3020         (ssse3_pmaddubswv4hi3): Likewise.
3021         (ssse3_pmulhrswv4hi3): Likewise.
3022         (ssse3_pshufbv8qi3): Likewise.
3023         (ssse3_psign<mode>3): Likewise.
3024         (ssse3_palignrdi): Likewise.
3025         (abs<mode>2): Likewise.
3026         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
3027         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
3028         (sse2_pmovmskb): Set mode to SI instead of V2DF.
3030 2007-04-23  Nick Clifton  <nickc@redhat.com>
3032         * params.def: Fix formatting of emacs local variables.
3034 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
3036         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
3037         move if inter-unit move isn't allowed.
3038         Don't split moving the first element of V2DI to DI to inter-unit
3039         move if inter-unit move isn't allowed.
3041 2007-04-23  Richard Guenther  <rguenther@suse.de>
3043         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
3044         and CDI_POST_DOMINATORS separately.
3046 2007-04-23  Nick Clifton  <nickc@redhat.com>
3048         * c.opt (Wformat-contains-nul): Add warning attribute.
3050 2007-04-23  Jan Hubicka  <jh@suse.cz>
3052         * function.c (init_function_start): Don't init line number info.
3053         (expand_function_end): Update.
3054         (reset_block_changes, record_block_change, finalize_block_changes,
3055         check_block_change, free_block_changes): Kill.
3056         * function.h (reset_block_changes, record_block_change,
3057         finalize_block_changes, check_block_change, free_block_changes): Remove
3058         prototypes.
3059         (struct function): Remove ib_boundaries_block.
3060         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
3061         Use curr_insn_locator to initialize locator.
3062         (emit_line_note): Remove.
3063         * cfgexpand.c (expand_gimple_cond_expr): Update.
3064         (construct_exit_block): Likewise.
3065         (tree_expand_cfg): Initialize/finalize locators.
3066         * expr.c (expand_expr_real): Update.
3067         * cfglayout.c (line_locators_locs, line_locators_lines,
3068         file_locators_locs, file_locators_files): Remove.
3069         (set_block_levels): Move to cfgexpand.c.
3070         (insn_locators_initialize): Remove.
3071         (pass_insn_locators_initialize): Remove.
3072         (locations_locators_locs, locations_locators_vals): New static vars.
3073         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
3074         Likewise.
3075         (insn_locators_alloc, insn_locators_finalize,
3076         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3077         New functions.
3078         (locator_location): New.
3079         (locator_line, locator_file): Rewrite.
3080         * rtl.h (emit_line_note): Kill.
3081         (insn_locators_alloc, insn_locators_finalize,
3082         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3083         Declare.
3084         * tree-inline.c (initialize_cfun): Do not initialize
3085         ib_boundaries_block.
3086         * passes.c (pass_insn_locators_initialize): Remove.
3088 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3090         PR middle-end/31448
3091         * expr.c (reduce_to_bit_field_precision): Handle
3092         CONST_INT rtx's.
3094 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
3096         PR tree-optimization/24659
3097         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
3098         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
3099         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
3100         * genopinit.c (optabs): Rename vec_pack_mod_optab
3101         to vec_pack_trunc_optab.
3102         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
3103         early for scalar floating point operands for NOP_EXPR.
3104         (vectorizable_type_promotion): Ditto.
3105         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
3106         vec_pack_trunc_optab.
3107         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
3109         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
3110         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
3111         Rename from VEC_PACK_MOD_EXPR.
3112         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
3113         * expr.c (expand_expr_real_1): Ditto.
3114         * tree-inline.c (estimate_num_insns_1): Ditto.
3115         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
3117         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
3118         (vec_unpacks_lo_v4sf): Ditto.
3119         (vec_pack_trunc_v2df): Ditto.
3120         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
3121         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
3122         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
3124         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
3125         vec_pack_mod_v8hi.
3126         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
3128         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
3129         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
3130         packing of floating point operands.
3131         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
3132         represent unpacking of floating point operands.
3133         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
3134         [vec_unpacks_hi]: Ditto.
3135         [vec_unpacks_lo]: Ditto.
3137 2007-04-22  Jan Hubicka  <jh@suse.cz>
3139         * final.c (rest_of_handle_final): Call
3140         targetm.asm_out.constructor/targetm.asm_out.destructor
3141         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
3142         proper priority via decl_*_priority_insert.
3143         * c-common.c (c_expand_body): Likewise.
3145 2007-04-22  Richard Guenther  <rguenther@suse.de>
3147         PR tree-optimization/29789
3148         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
3149         (rewrite_reciprocal): New helper split out from
3150         determine_invariantness_stmt.
3151         (rewrite_bittest): Likewise.
3152         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
3153         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
3154         is not.
3156 2007-04-22  Revital Eres  <eres@il.ibm.com>
3158         * loop-unroll.c (var_to_expand): New field to support also
3159         insns of the form x = something + x.
3160         (analyze_insn_to_expand_var): Use it.
3161         (expand_var_during_unrolling): Likewise.
3163 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
3165         * predict.c: Include pointer-set.h.
3166         (bb_predictions): New variable.
3167         (tree_predicted_by_p, tree_predict_edge,
3168         remove_predictions_associated_with_edge): Use bb_predictions map
3169         instead of bb->predictions.
3170         (clear_bb_predictions, assert_is_empty): New functions.
3171         (combine_predictions_for_bb): Use bb_predictions map.  Call
3172         clear_bb_predictions.
3173         (tree_estimate_probability): Create and free bb_predictions map.
3174         * Makefile.in (predict.o): Add pointer-set.h dependency.
3175         * basic-block.h (struct basic_block_def): Remove predictions
3176         field.
3177         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
3179 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3181         PR target/31480
3182         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
3183         is null.
3185 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3187         * timevar.c (timevar_print): Change reference of --disable-checking to
3188         --enable-checking=release.  Also warn if assert checking is disabled.
3190 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3192         PR C/30265
3193         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
3194         decl as addressable if the compound literal was marked as
3195         addressable.
3196         Mark the decl as a gimple register if it is a complex or
3197         vector decl and does not live in memory.
3199 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3201         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
3202         (GENERIC_NEXT): New function macro.
3203         (PHI_CHAIN): Use phi_node's new chain variable.
3204         (tree_phi_node): Change tree_common to tree_base
3205         and add the chain field.
3206         * tree-phinodes.c (make_phi_node): Don't set
3207         TREE_TYPE on the new node.
3208         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
3209         instead of checking GIMPLE_TUPLE_P in chain_next.
3210         * tree-vect-transform.c
3211         (get_initial_def_for_induction): Look at
3212         PHI_RESULT_TREE for the type of the phi node.
3213         (update_vuses_to_preheader): Use PHI_CHAIN
3214         instead of TREE_CHAIN on the phi node.
3215         * tree-ssa-structalias.c (compute_points_to_sets):
3216         Likewise.
3217         (ipa_pta_execute): Likewise.
3219 2007-04-21  Richard Guenther  <rguenther@suse.de>
3221         PR middle-end/31136
3222         * fold-const.c (fold_unary): Call fold_convert_const on the
3223         original tree.
3225 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
3227         * gcse.c (store_killed_in_insn): Handle PARALLELs.
3228         (store_killed_in_pat): New.
3230 2007-04-20  Richard Henderson  <rth@redhat.com>
3232         PR target/31628
3233         * config/i386/i386.c (type_has_variadic_args_p): Look for any
3234         TREE_LIST with a void_type_node value, not void_list_node exactly.
3236 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
3238         * doc/standards.texi: Re-arrange into language-specific
3239         subsections. Add a C++ section, documenting which standards we
3240         support.
3242 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
3244         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
3245         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
3247 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
3249         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
3250         ecrti.o and crtbegin.o.
3251         (LIB_DEFAULT_SPEC): Include -lc.
3252         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
3254 2007-04-20  Richard Henderson  <rth@redhat.com>
3256         PR target/28623
3257         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
3258         argument; update all callers.
3259         (get_unaligned_offset): New.
3260         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
3261         get_unaligned_address, just pass on the address directly.
3262         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
3263         the subreg in the helper patterns.
3264         (unaligned_extendqidi_le): Use get_unaligned_offset.
3265         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
3266         (unaligned_extendhidi_be): Likewise.
3267         (unaligned_extendhidi): Tidy.
3268         * config/alpha/alpha-protos.h: Update.
3270 2007-04-20  Richard Henderson  <rth@redhat.com>
3272         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
3273         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
3274         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
3275         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
3276         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
3277         (CPP_SPEC): Don't include %(cpp_subtarget).
3278         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
3279         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
3280         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
3282 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
3284         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
3285         for __builtin_ia32_cmpordss.
3287         PR tree-optimization/31632
3288         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3289         and arg1 for optimizations of comparison against min/max values.
3290         Fold arg0 to arg1's type for optimizations of comparison against
3291         min+1 and max-1 values.
3293 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
3295         * reload.c (combine_reloads): When trying to use a dying register,
3296         check whether it's uninitialized and don't use if so.
3298 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
3300         * fold-const.c: Remove prototypes for native_encode_expr and
3301         native_interpret_expr.
3302         (native_encode_expr): Make non-static.
3303         (native_interpret_expr): Likewise.
3304         * tree.h: Add prototypes for the above.
3306 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
3308         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
3309         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
3310         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
3311         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
3312         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
3313         Add length attributes.
3315 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
3317         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
3318         not that it is 1.
3320         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
3321         __STDC_WANT_DEC_FP__.
3323 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
3325         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
3326         for long double compatibility.
3327         * configure: Regenerate.
3329 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3331         PR rtl-optimization/29841
3332         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
3333         trap instructions.
3334         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
3335         that may cause control flow transfer from being moved.
3337 2007-04-18  Jan Hubicka  <jh@suse.cz>
3339         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
3340         types.
3342 2007-04-18  Eric Christopher  <echristo@apple.com>
3344         * config/rs6000/darwin.md (load_macho_picbase): Use link register
3345         only. Update operands.
3346         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
3347         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
3348         link register to pic register.
3350 2007-04-18  Dirk Mueller  <dmueller@suse.de>
3352         PR diagnostic/31227
3353         * tree-vrp.c (search_for_addr_array): New.
3354         (check_array_bounds): Suppress warning about
3355         address taken of array refs if its not de-referenced.
3357 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
3359         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
3360         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
3362         * tree-vectorizer.h (NITERS_KNOWN_P): New.
3363         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
3364         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
3366         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
3367         dump print.
3368         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
3369         print message.
3370         (vect_analyze_scalar_cycles): Fix indentation.
3371         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
3372         (vect_mark_relevant): Include phis in relevance analysis.
3374         * tree-vect-transform.c (vect_transform_loop): Add an assert.
3376 2007-04-18  Anatoly Sokolov <aesok@post.ru>
3378         * config/avr/avr.c (ptrreg_to_str): Replace error() with
3379         output_operand_lossage().
3381 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
3383         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
3384         the unused code for reduction without adjust-in-epilog to simplify the
3385         function.
3387 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
3389         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
3390         (S390_TDC_NEGATIVE_ZERO): New constant.
3391         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
3392         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
3393         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
3394         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
3395         (S390_TDC_POSITIVE_INFINITY): New constant.
3396         (S390_TDC_NEGATIVE_INFINITY): New constant.
3397         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
3398         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
3399         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
3400         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
3401         (S390_TDC_INFINITY): New constant.
3402         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
3403         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
3404         optimization for UNSPEC_CCZ_TO_INT.
3405         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
3406         ("*ccz_to_int"): New insn.
3407         ("isinf<mode>2"): New insn.
3408         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
3409         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
3410         (UNSPEC_CCZ_TO_INT): New constant.
3412 2007-04-18  Richard Guenther  <rguenther@suse.de>
3414         PR tree-optimization/19431
3415         PR tree-optimization/21463
3416         * tree-pass.h (pass_phiprop): Declare.
3417         * passes.c (init_optimization_passes): New phiprop pass.
3418         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
3419         (phivn_valid_p): New helper function.
3420         (phiprop_insert_phi): Likewise.
3421         (propagate_with_phi): Likewise.
3422         (tree_ssa_phiprop): New propagator propagating loads
3423         through phi nodes if profitable.
3425 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
3427         * tree-vect-analyze.c (process_use): New function.
3428         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
3429         Check phis in all bbs.
3430         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
3431         assert.
3433 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3435         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
3436         we use REG_EQUAL.
3438 2007-04-17  Anatoly Sokolov <aesok@post.ru>
3440         PR target/30483
3441         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
3442         error().
3444 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3446         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
3447         on "0".
3448         (sse_vmmulv4sf3): Likewise.
3449         (sse2_vmaddv2df3): Likewise.
3450         (sse2_vmmulv2df3): Likewise.
3452 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
3454         PR rtl-optimization/31360
3455         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
3456         (target_reg_cost): New.
3457         (init_set_costs): Initialize target_reg_cost.  Add comments
3458         regarding the rationale of the costs.
3459         (global_cost_for_size): Renamed to...
3460         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
3461         of register pressure.
3462         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
3463         estimate_reg_pressure_cost.  Add number of ivs.
3464         (determine_set_costs): Dump target_reg_cost.
3465         * loop-invariant.c (gain_for_invariant):  Use
3466         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
3467         (best_gain_for_invariant, find_invariants_to_move): Remove
3468         n_inv_uses.
3469         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
3470         (target_reg_cost): Declare.
3471         (global_cost_for_size): Declaration removed.
3472         (estimate_reg_pressure_cost): Declare.
3474 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
3476         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
3477         regnos into even/odd register pairs.
3478         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
3479         TDmode similar to the other floating point modes.
3480         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
3481         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
3482         define_expand's.
3483         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
3484         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
3485         (movdd_hardfloat64): Use TARGET_MFPGPR.
3487 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3489         * reload1.c (delete_output_reload): Don't count output in n_inherited.
3491         Revert
3492         2005-01-05  Richard Henderson  <rth@redhat.com>
3493         PR rtl-opt/10692
3494         * reload1.c (do_input_reload): Restrict the optimization deleteing
3495         a previous output reload to RELOAD_FOR_INPUT.
3497 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
3499         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
3500         induc_vec_info_type.
3501         (vectorizable_induction): New function declaration.
3502         * tree-vect-transform.c (get_initial_def_for_induction): No need to
3503         check if already vectorized.  Find first place in BB where new stmts
3504         can be inserted.  Takes only one argument.
3505         (vectorizable_induction): New function.
3506         (vect_transform_stmt): Add case for induc_vec_info_type to call
3507         vectorizable_induction.
3508         (vect_transform_loop): Consider phis for vectorization.
3509         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
3510         condition.
3511         (analyze_operations): Call vectorizable_induction when analyzing phis.
3512         Fix comment.
3513         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
3514         (vect_mark_relevant): Include phis in relevance analysis.
3515         (vect_mark_stmts_to_be_vectorize): Likewise.
3516         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
3518 2007-04-16  Lawrence Crowl  <crowl@google.com>
3520         * doc/invoke.texi (Debugging Options): Add documentation for the
3521         -femit-struct-debug options -femit-struct-debug-baseonly,
3522         -femit-struct-debug-reduced, and
3523         -femit-struct-debug-detailed[=...].
3525         * c-opts.c (c_common_handle_option): Add
3526         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
3527         and OPT_femit_struct_debug_detailed_.
3528         * c.opt: Add specifications for
3529         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
3530         and -femit-struct-debug-detailed[=...].
3531         * opts.c (set_struct_debug_option): Parse the
3532         -femit-struct-debug-... options.
3533         * opts.c (matches_main_base, main_input_basename,
3534         main_input_baselength, base_of_path, matches_main_base): Add
3535         variables and functions to compare header base name to compilation
3536         unit base name.
3537         * opts.c (should_emit_struct_debug): Add to determine to emit a
3538         structure based on the option.
3539         (dump_struct_debug) Also disabled function to debug this
3540         function.
3541         * opts.c (handle_options): Save the base name of the
3542         compilation unit.
3544         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
3545         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
3546         This hook indicates if a type is generic.  Set it by default
3547         to "never generic".
3548         * langhooks.h (struct lang_hooks_for_types): Add a new hook
3549         to determine if a struct type is generic or not.
3550         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
3551         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
3552         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
3553         with live C++ hook.
3555         * flags.h (enum debug_info_usage): Add an enumeration to describe
3556         a program's use of a structure type.
3557         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
3558         to indicate the program's usage of the type.  Filter structs based
3559         on the -femit-struct-debug-... specification.
3560         (gen_type_die): Split into two routines, gen_type_die and
3561         gen_type_die_with_usage.  gen_type_die is now a wrapper
3562         that assumes direct usage.
3563         (gen_type_die_with_usage): Replace calls to gen_type_die
3564         with gen_type_die_with_usage adding the program usage of
3565         the referenced type.
3566         (dwarf2out_imported_module_or_decl): Suppress struct debug
3567         information using should_emit_struct_debug when appropriate.
3569 2007-04-16  Ian Lance Taylor  <iant@google.com>
3571         PR tree-optimization/31522
3572         * tree-vrp.c (vr_phi_edge_counts): New static variable.
3573         (vrp_initialize): Allocate vr_phi_edge_counts.
3574         (vrp_visit_phi_node): Don't push to infinity if we saw a new
3575         executable edge.  Drop test for all constants.
3576         (vrp_finalize): Free vrp_phi_edge_counts.
3578         * doc/cpp.texi (Common Predefined Macros): Clarify description of
3579         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3581         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
3582         predecessors at head rather than tail.
3584 2007-04-16  Matthias Klose  <doko@debian.org>
3586         * config/alpha/linux.h (CPP_SPEC): Define.
3587         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
3589 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
3591         * function.h: Remove sequence_stack extern declaration.
3593 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
3595         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
3596         TARGET_FIDOA.
3597         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
3598         defined.
3600 2007-04-16  Anatoly Sokolov <aesok@post.ru>
3602         * config/avr/avr.c (avr_arch_types): Rearranging  array.
3603         (enum avr_arch): Add.
3604         (avr_mcu_types): Use avr_arch enumeration constants instead of
3605         numbers.
3606         * config/avr/avr.h (LINK_SPEC): Simplify.
3608 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
3610         * config/m68k/m68k.c (m68k_libcall_value,
3611         m68k_function_value): Use macros for register names more.
3613         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
3614         instead.
3615         (M68K_REGNAME): Use A6_REG.
3616         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
3618 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3620         PR middle-end/28071
3621         * sched-int.h (struct deps): Split field 'pending_lists_length' into
3622         'pending_read_list_length' and 'pending_write_list_length'.  Update
3623         comment.
3624         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
3625         to handle two length counters instead of one.  Update all uses.
3626         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
3627         two length counters instead of one.
3628         * sched-rgn.c (propagate_deps): Update to handle two length counters
3629         instead of one.
3631 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
3633         PR target/31582
3634         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
3635         copy of source, pass it to ix86_expand_vector_set and return
3636         it as target.
3638 2007-04-16  David Ung  <davidu@mips.com>
3639             Joseph Myers  <joseph@codesourcery.com>
3641         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
3642         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
3643         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
3644         Add 74K processor information.
3645         * config/mips/mips.md: Include 74k.md.
3646         (cpu): Add 74kc,74kf,74kx.
3647         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
3648         * config/mips/74k.md: New.
3649         * doc/invoke.texi (MIPS Options): Document 74K support.
3651 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
3653         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
3654         vectorizable_* functions.
3655         * tree-vect-transform.c (vectorizable_call): Add check for
3656         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
3657         (vectorizable_store): likewise.
3658         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
3659         Add comments.
3660         (vectorizable_operation, vectorizable_type_demotion): Likewise.
3661         (vectorizable_type_promotion, vectorizable_load): Likewise.
3662         (vectorizable_live_operation, vectorizable_condition): Likewise.
3663         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
3664         STMT_VINFO_LIVE_P.
3665         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
3667 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
3669         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
3670         register numbers more.
3671         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
3672         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
3673         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
3674         FUNCTION_VALUE_REGNO_P): Likewise.
3675         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
3676         STATIC_CHAIN_REGNUM): Likewise.
3677         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
3678         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
3679         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
3680         * config/m68k/m68k.md (FP_REG): New.
3682 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
3684         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
3685         alignment on fido.
3687 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
3689         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
3690         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
3691         comment typos.
3693 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
3695         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
3696         cold loops.
3698 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3700         PR c/31520
3701         * c-decl.c (finish_decl): Grab the type of the decl after the call
3702         to store_init_value.
3704 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
3706         * common.opt (fforward-propagate): Fix "Optimization" annotation.
3708 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
3710         PR c++/25874
3711         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
3712         post dominators and cleanup cfg before returning.
3714 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
3716         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
3717         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
3719 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
3721         * config.gcc: Recognize fido.
3722         * config/m68k/m68k-devices.def (fidoa): New.
3723         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
3724         __mfido__.
3725         (FL_FIDOA, TARGET_FIDOA): New.
3726         * config/m68k/m68k.opt (mfidoa): New.
3728 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3730         PR middle-end/31322
3731         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
3732         when a personality function is used.
3734 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
3736         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
3738 2007-04-13  Mike Stump  <mrs@apple.com>
3740         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
3741         we can...
3742         * config/darwin.opt (fapple-kext): Make C++ only.
3743         * config/darwin.c (darwin_override_options): Remove code to ensure
3744         -fapple-kext is given for C++ only.
3746 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
3748         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
3749         * config/mips/mips.c (override_options): Call
3750         SUBTARGET_OVERRIDE_OPTIONS, if defined.
3752 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
3754         * config/i386/i386.opt (msvr3-shlib): Removed.
3756         * doc/invoke.texi: Remove -msvr3-shlib.
3758 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
3760         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
3761         with "popcnt" instruction.
3763 2007-04-13  Richard Guenther  <rguenther@suse.de>
3765         PR tree-optimization/21258
3766         * tree-vrp.c (compare_case_labels): New helper.
3767         (find_switch_asserts): New function.
3768         (find_assert_locations): Call it for SWITCH_EXPRs.
3770 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
3772         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
3773         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
3774         check is now implied in X87_FLOAT_MODE_P.
3775         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
3776         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
3777         (fix_trunc<mode>_i386_fisttp): Ditto.
3778         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
3779         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
3780         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
3781         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
3782         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
3783         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
3784         (unnamed_splitters): Ditto.
3785         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
3786         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
3787         FIRST_SSE_REG for local functions when SSE math is enabled or
3788         for functions with sseregparm attribute.
3789         (standard_80387_constant_p): Return -1 if mode is not
3790         X87_FLOAT_MODE_P.
3791         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
3792         (ix86_expand_compare): Ditto.
3793         (ix86_expand_carry_flag_compare): Ditto.
3794         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
3795         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
3796         DECIMAL_FLOAT_MODE_P.
3797         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
3798         of SCALAR_FLOAT_MODE_P.
3799         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
3800         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
3801         checks before FLOAT_MODE_P.
3802         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
3803         before FLOAT_MODE_P.
3804         [DIV]: Ditto.
3805         [NEG]: Ditto.
3806         [ABS]: Ditto.
3807         [SQRT]: Ditto.
3808         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
3810 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
3811             Charles Wilson  <libtool@cwilson.fastmail.fm>
3813         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
3814         (libgcc.mvars): Don't depend on them.
3815         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
3816         * exec-tool.in: New.
3818 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
3820         * doc/invoke.text (--help): Document --help=common.
3822 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
3824         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
3826 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
3828         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
3829         * genemit.c (main): Emit #include "integrate.h".
3830         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
3831         (LOADGP_RTP): New mips_loadgp_style.
3832         * config/mips/mips.h: Include config/vxworks-dummy.h.
3833         (TARGET_RTP_PIC): New macro.
3834         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
3835         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
3836         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
3837         for TARGET_RTP_PIC.
3838         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
3839         -mvxworks-pic when using -mrtp and a PIC option.
3840         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
3841         for RTP PIC.
3842         (mips_symbolic_constant_p, mips_symbolic_address_p)
3843         (mips_symbol_insns): Handle SYMBOL_HALF.
3844         (override_options): Warn about -G and -mrtp being used together.
3845         Initialize mips_lo_relocs[SYMBOL_HALF].
3846         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
3847         (mips_emit_loadgp): Handle LOADGP_RTP.
3848         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
3849         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
3850         (tablejump): Handle function-relative case table entries if
3851         TARGET_RTP_PIC.
3852         * config/mips/predicates.md (symbol_ref_operand): New predicate.
3854 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
3856         * config/mips/mips.md (load_call<mode>): Allow any general register.
3857         destination.
3858         (sibcall_value_internal, sibcall_value_multiple_internal)
3859         (call_value_internal, call_value_split, call_value_multiple_internal)
3860         (call_value_multiple_split): Remove constraints from operand 0.
3862 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
3864         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
3865         rather than loadgp_noshared.
3866         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
3867         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
3868         gen_loadgp.
3869         * config/mips/mips.md (loadgp): Rename to...
3870         (loadgp_newabi): ...this.
3871         (loadgp_noshared): Rename to...
3872         (loadgp_absolute): ...this.
3874 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
3876         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
3877         false for locally-binding symbols.
3878         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
3880 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
3882         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
3883         (SYMBOL_GOT_PAGE_OFST): ...this.
3884         (SYMBOL_GOT_GLOBAL): Rename to...
3885         (SYMBOL_GOT_DISP): ...this.
3886         (SYMBOL_GOTOFF_GLOBAL): Rename to...
3887         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
3888         * config/mips/mips.c (mips_global_symbol_p): New function.
3889         (mips_symbol_binds_local_p): Likewise.
3890         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
3891         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
3892         and mips_symbol_binds_local_p.
3893         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
3894         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
3895         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
3896         SYMBOL_GOTOFF_DISP.
3897         (mips_ok_for_lazy_binding_p): New function.
3898         (mips_load_call_address, mips_expand_call): Use it.
3899         (mips_dangerous_for_la25_p): Likewise.
3900         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
3901         (*got_disp<mode>): Use got_disp_operand instead of
3902         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
3903         SYMBOL_GOTOFF_GLOBAL.
3904         (*got_page<mode>): Use got_page_ofst_operand instead of
3905         local_got_operand.
3906         * config/mips/predicates.md (const_call_insn_operand): Use
3907         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
3908         (global_got_operand): Rename to...
3909         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
3910         SYMBOL_GOT_GLOBAL.
3911         (local_got_operand): Rename to...
3912         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
3913         of SYMBOL_GOT_LOCAL.
3915 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
3917         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
3918         TARGET_CALL_CLOBBERED_GP.
3919         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
3920         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
3921         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
3922         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
3923         of TARGET_ABICALLS && !TARGET_NEWABI.
3924         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
3925         * config/mips/mips.c (mips_load_call_address): Check
3926         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
3927         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
3928         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
3929         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
3930         TARGET_ABICALLS && TARGET_NEWABI.
3931         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
3932         TARGET_ABICALLS.
3933         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
3934         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
3935         TARGET_ABICALLS && TARGET_NEWABI.
3936         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
3937         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
3938         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
3939         whether indirect calls must use $25.
3940         (mips_extra_live_on_entry): Check TARGET_GOT instead of
3941         TARGET_ABICALLS.
3942         * config/mips/mips.md (jal_macro): Check flag_pic and
3943         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
3944         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
3945         instead of TARGET_ABICALLS.
3946         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
3947         TARGET_ABICALLS && TARGET_OLDABI.
3948         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
3949         (sibcall): In the comment above the define_insn, mention
3950         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
3951         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
3952         instead of TARGET_ABICALLS.
3954 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
3956         * doc/md.texi (Blackfin family constraints): Document PA and PB.
3957         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
3958         (MACFLAGS_MATCH_P): New macro.
3959         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
3960         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
3961         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
3962         the other MACFLAG constants.
3963         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
3964         (flag_machi): Tighten constraints.  Renumber some of the operands.
3965         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
3966         output template.
3967         (flag_machi_parts_acconly): New pattern.
3968         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
3969         used.
3970         (flag_macinit1hi): Tighten constraints.
3971         (flag_mul_macv2hi_parts_acconly): New pattern.
3973         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
3974         Use a more efficient implementation.
3975         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
3976         inline sequences when not optimizing for size.
3978         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
3979         movhi_high2low): Delete, merge functionality into...
3980         (packv2hi): ... this pattern.
3982         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
3983         * config/bfin/bfin.opt (msim): New option.
3984         (mcpu=): New option.
3985         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
3986         (bfin_cpu_t): Typedef of enum bfin_cpu.
3987         (bfin_cpu_type): New declaration.
3988         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
3989         -msim and -mcpu= options.
3990         (LIB_SPEC): Likewise.
3991         * config/bfin/bfin.c (bfin_cpu_type): Define.
3992         (bfin_handle_option): Handle -mcpu= option.
3993         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
3994         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
3995         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
3997 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
3999         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
4000         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
4001         (powerpc-wrs-vxworksae): Use ${tm_file}.
4002         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
4003         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
4004         * config/i386/vx-common.h: New file.
4006 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4008         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
4009         of crt0.o%s.
4011 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4013         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
4014         ldxtr.
4016 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
4018         PR c++/31078
4019         PR c++/31103
4020         * c-common.c (c_build_qualified_type): Set canonical type
4021         appropriately.
4023 2007-04-12  Richard Guenther  <rguenther@suse.de>
4025         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
4026         lower bound and element size if lower bound is not zero
4027         or either of the ARRAY_REF operands is set.
4029 2007-04-12  Richard Guenther  <rguenther@suse.de>
4031         PR tree-optimization/24689
4032         PR tree-optimization/31307
4033         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
4034         indices by value.
4035         * gimplify.c (canonicalize_addr_expr): To be consistent with
4036         gimplify_compound_lval only set operands two and three of
4037         ARRAY_REFs if they are not gimple_min_invariant.  This makes
4038         it never at this place.
4039         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
4041 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4043         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
4044         null before emitting a .nsubspa directive.
4046 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
4048         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
4049         need_to_partition_p if there are no memory statements in the
4050         function.
4052 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
4054         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
4055         (gcd_of_steps_may_divide_p): New function.
4056         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
4058 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4060         * reload.c (find_reloads_toplev, find_reloads_address,
4061         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
4062         not a pointer equality test, to decide if we need to call
4063         push_reg_equiv_alt_mem.
4065 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
4067         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
4068         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
4069         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
4071 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
4073         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
4074         vector to be positive.
4076 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
4078         PR 30735
4079         PR 31090
4080         * doc/invoke.texi: Document --params max-aliased-vops and
4081         avg-aliased-vops.
4082         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
4083         debug_memory_partitions): Move to tree-flow.h
4084         * params.h (AVG_ALIASED_VOPS): Define.
4085         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
4086         users.
4087         (mp_info_t): Likewise.
4088         (get_mem_sym_stats_for): New.
4089         (set_memory_partition): Move from tree-flow-inline.h.
4090         (mark_non_addressable): Only clear the set of symbols for the
4091         partition if it exists.
4092         (dump_memory_partitions): Move from tree-ssa-operands.c
4093         (debug_memory_partitions): Likewise.
4094         (need_to_partition_p): New.
4095         (dump_mem_ref_stats): New.
4096         (debug_mem_ref_stats): New.
4097         (dump_mem_sym_stats): New.
4098         (debug_mem_sym_stats): New.
4099         (update_mem_sym_stats_from_stmt): New.
4100         (compare_mp_info_entries): New.
4101         (mp_info_cmp): Call it.
4102         (sort_mp_info): Change argument to a list of mem_sym_stats_t
4103         objects.
4104         (get_mpt_for): Move from tree-ssa-operands.c.
4105         (find_partition_for): New.
4106         (create_partition_for): Remove.
4107         (estimate_vop_reduction): New.
4108         (update_reference_counts): New.
4109         (build_mp_info): New.
4110         (compute_memory_partitions): Refactor.
4111         Document new heuristic.
4112         Call build_mp_info, update_reference_counts,
4113         find_partition_for and estimate_vop_reduction.
4114         (compute_may_aliases): Populate virtual operands before
4115         calling debugging dumps.
4116         (delete_mem_sym_stats): New.
4117         (delete_mem_ref_stats): New.
4118         (init_mem_ref_stats): New.
4119         (init_alias_info): Call it.
4120         (maybe_create_global_var): Remove alias_info argument.
4121         Get number of call sites and number of pure/const call sites
4122         from gimple_mem_ref_stats().
4123         (dump_alias_info): Call dump_memory_partitions first.
4124         (dump_points_to_info_for): Show how many times a pointer has
4125         been dereferenced.
4126         * opts.c (decode_options): For -O2 set --param
4127         max-aliased-vops to 500.
4128         For -O3 set --param max-aliased-vops to 1000 and --param
4129         avg-aliased-vops to 3.
4130         * fortran/options.c (gfc_init_options): Remove assignment to
4131         MAX_ALIASED_VOPS.
4132         * tree-flow-inline.h (gimple_mem_ref_stats): New.
4133         * tree-dfa.c (dump_variable): Dump memory reference
4134         statistics.
4135         Dump NO_ALIAS* settings.
4136         (referenced_var_lookup): Tidy.
4137         (mem_sym_stats): New.
4138         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
4139         and ORIG are different SSA names for a memory partition.
4140         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
4141         * tree-flow.h (struct mem_sym_stats_d): Define.
4142         (mem_sym_stats_t): Define.
4143         (struct mem_ref_stats_d): Define.
4144         (struct gimple_df): Add field mem_ref_stats.
4145         (enum noalias_state): Define.
4146         (struct var_ann_d): Add bitfield noalias_state.
4147         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
4148         debug_mem_ref_stats, debug_memory_partitions,
4149         debug_mem_sym_stats): Declare.
4150         * tree-ssa-structalias.c (update_alias_info): Update call
4151         sites, pure/const call sites and asm sites in structure
4152         returned by gimple_mem_ref_stats.
4153         Remove local variable IS_POTENTIAL_DEREF.
4154         Increase NUM_DEREFS if the memory expression is a potential
4155         dereference.
4156         Call update_mem_sym_stats_from_stmt.
4157         If the memory references memory, call
4158         update_mem_sym_stats_from_stmt for all the direct memory
4159         symbol references found.
4160         (intra_create_variable_infos): Set noalias_state field for
4161         pointer arguments according to the value of
4162         flag_argument_noalias.
4163         * tree-ssa-structalias.h (struct alias_info): Remove fields
4164         num_calls_found and num_pure_const_calls_found.
4165         (update_mem_sym_stats_from_stmt): Declare.
4166         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
4167         Set default value to 100.
4168         (PARAM_AVG_ALIASED_VOPS): Define.
4170 2007-04-11  Richard Guenther  <rguenther@suse.de>
4172         PR middle-end/31530
4173         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
4174         a * -b + c as c - a * b if we honor sign dependent rounding.
4176 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4178         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
4179         bfin_expand_strmov.
4180         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
4181         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
4182         variables.
4183         (initialize_trampoline): Don't use old-style function definition.
4184         (bfin_secondary_reload): Mark IN_P argument as unused.
4186 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
4188         PR tree-optimization/31343
4189         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
4190         (build_polynomial_chrec): Return a scalar when the evolution is zero.
4191         * testsuite/gcc.dg/vect/pr31343.c: New.
4193 2007-04-10  Eric Christopher  <echristo@apple.com>
4195         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
4196         * config/i386/i386.md (*cmpfp0): Use.
4197         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
4198         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
4199         (fix_trunc<mode>_i386_fisttp): Ditto.
4200         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
4201         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
4202         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
4203         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
4204         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
4205         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
4206         (unnamed_splitters): Ditto.
4207         * config/i386/i386.c (output_fix_trunc): Assert that
4208         we're not being passed a TFmode operand.
4210 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
4212         PR tree-optimization/31526
4213         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
4214         n_basic_blocks to find newly added blocks.
4216 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
4218         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
4219         alternative.
4220         (fix_trunc<mode>si_sse): Ditto.
4221         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
4222         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
4223         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
4224         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
4225         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
4226         expander using SSEMODEF mode macro.
4227         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
4228         expander using SSEMODEF mode macro.
4229         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
4230         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
4231         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
4232         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
4233         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
4234         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
4235         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
4236         Macroize insn using X87MODEF mode macro.
4238 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4240         * config/i386/sse.md (sse2_pinsrw): Removed.
4241         (sse2_pextrw): Renamed to ...
4242         (*sse2_pextrw): This.
4244 2007-04-09  Jan Hubicka  <jh@suse.cz>
4246         PR target/27869
4247         * config/i386/sse.md
4248         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
4249         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
4250         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
4251         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
4253 2007-04-09  Jan Hubicka  <jh@suse.cz>
4255         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
4256         multiple fields of union.
4258 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
4260         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
4261         (create_preheaders): Check that loops are available.
4262         (fix_loop_structure): Clean up, improve comments.
4263         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
4264         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
4265         state flags.
4266         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
4267         * predict.c (tree_estimate_probability): Do not call
4268         calculate_dominance_info.  Call create_preheaders.
4269         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
4270         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
4271         flags.
4272         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
4273         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
4274         * tree-cfg.c (tree_split_edge): Make an assert more precise.
4275         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
4276         arguments.
4278 2007-04-08  Jan Hubicka  <jh@suse.cz>
4280         * tree.h (maybe_fold_offset_to_component_ref): Declare.
4281         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
4282         * fold-const.c (fold_unary): Use it.
4284 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4286         * varasm.c (assemble_variable): Remove call to
4287         lang_hooks.decls.prepare_assemble_variable.
4288         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
4289         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
4290         * langhooks.h (lang_hooks_for_decls): Remove
4291         prepare_assemble_variable.
4293 2007-04-08  Mike Stump  <mrs@apple.com>
4295         * config/i386/i386.c: Use inc/dec on Core2.
4297 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
4299         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
4300         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
4301         lhd_tree_inlining_end_inlining): Remove.
4302         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
4303         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
4304         end_inlining hooks.
4305         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
4306         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
4307         lhd_tree_inlining_end_inlining): Remove prototypes.
4308         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
4309         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
4310         LANG_HOOKS_TREE_INLINING_START_INLINING,
4311         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
4313         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
4314         not set it.
4316 2007-04-08  Anatoly Sokolov <aesok@post.ru>
4318         PR target/29932
4319         * config/avr/predicates.md (io_address_operand): Delete predicate.
4320         (low_io_address_operand): Don't use 'mode' argument.
4321         (higth_io_address_operand): Rename ...
4322         (high_io_address_operand): ... to this. Don't use 'mode' argument.
4323         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
4324         for above change.
4326 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
4328         Revert change removing staticp.
4330 2007-04-07  Anatoly Sokolov <aesok@post.ru>
4332         PR target/30289
4333         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
4334         earlyclobber.
4336 2007-04-07  Bruce Korb  <bkorb@gnu.org>
4338         * c.opt: Add -Wformat-contains-nul.
4339         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
4340           -Wformat setting.
4341         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
4342         the NUL byte warning.
4344 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
4346         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
4348 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
4350         * tree.c (staticp): No longer use staticp langhook.
4351         * langhooks.c (lhd_staticp): Removed.
4352         * langhooks.h (struct lang_hooks): Remove staticp.
4353         * c-common.c (c_staticp): Remove.
4354         * c-common.h (c_staticp): Ditto.
4355         * langhooks-defs.h (lhd_staticp): Ditto.
4356         (LHD_HOOKS_STATICP): Ditto
4357         * tree.h (gcc_assert_lowered): New macro.
4359 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
4361         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
4362         argument "reliable".
4363         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
4364         Add argument "reliable".  Propagate it through calls.
4365         (infer_loop_bounds_from_undefined):  Derive number of iterations
4366         estimates from references in blocks that do not dominate loop latch.
4367         (gcov_type_to_double_int): New function.
4368         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
4369         and expected_loop_iterations_unbounded.
4370         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
4371         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
4372         * tree-data-ref.c (estimated_loop_iterations): Export.
4373         (get_references_in_stmt): Fix -- do not return addresses of local
4374         objects.
4375         * cfgloop.h (expected_loop_iterations_unbounded,
4376         estimated_loop_iterations): Declare.
4378 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
4380         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
4382 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
4384         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
4385         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
4386         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
4387         Use output_387_reg_move().
4388         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
4389         expander using X87MODEF12 mode macro.
4390         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
4391         choosing register preferences.  Use output_387_reg_move().
4392         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
4393         instead of "x".  Use output_387_reg_move().
4394         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
4395         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
4396         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
4397         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
4398         Use output_387_reg_move().
4399         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
4400         mode macro.
4401         (*truncxf?f_i387 splitter): Ditto.
4403 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
4405         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
4406         LANG_HOOKS_SAFE_FROM_P.
4407         * expr.c (safe_from_p): Remove langhook call.
4408         * langhooks.h (lang_hooks): Remove safe_from_p.
4409         (lhd_safe_from_p): Remove prototype.
4410         * langhooks.c (lhd_safe_from_p): Remove.
4412 2007-04-06  Jan Hubicka  <jh@suse.cz>
4414         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
4415         functions.
4417 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
4419         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
4420         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
4421         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
4422         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
4423         alternative.
4424         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
4425         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
4427 2007-04-05  Richard Henderson  <rth@redhat.com>
4429         * config/alpha/alpha.c (print_operand) [+]: Remove.
4430         (alpha_end_function): Print nop if call at end of function.
4431         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
4432         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
4433         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
4434         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
4435         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
4436         the call pattern. Update peepholes to match.
4438 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
4440         * doc/extend.texi (Other Builtins): Add decimal float variants
4441         of signbit.
4442         * builtins.def: Ditto.
4443         * builtins.c (expand_builtin): Ditto.
4445 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
4446             H.J. Lu  <hongjiu.lu@intel.com>
4448         PR target/31478
4449         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
4450         of V8HImode when calling ix86_binary_operator_ok.
4451         (sse2_pmaddwd): Call ix86_binary_operator_ok.
4452         (sdot_prodv8hi): Operands 1 and 2 must be register.
4454 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
4456         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
4457         initialize align to silence bogus warning.
4459 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
4461         PR middle-end/22156
4462         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
4463         all_no_warning.
4464         (struct sra_walk_fns): Remove use_all parameter from use.
4465         (sra_hash_tree): Handle BIT_FIELD_REFs.
4466         (sra_elt_hash): Don't hash bitfld blocks.
4467         (sra_elt_eq): Skip them in parent compares as well.  Handle
4468         BIT_FIELD_REFs.
4469         (sra_walk_expr): Don't maintain or pass down use_all_p.
4470         (scan_use): Remove use_all parameter.
4471         (scalarize_use): Likewise.  Re-expand assignment to
4472         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
4473         output, and re-scalarize after output.  Don't mark anything
4474         for no warning.
4475         (scalarize_ldst): Adjust.
4476         (scalarize_walk_gimple_modify_statement): Likewise.
4477         (build_element_name_1): Handle BIT_FIELD_REFs.
4478         (instantiate_element): Don't warn for any element whose parent
4479         is used as a whole.
4480         (instantiate_missing_elements_1): Return the sra_elt.
4481         (canon_type_for_field): New.
4482         (try_instantiate_multiple_fields): New.
4483         (instantiate_missing_elemnts): Use them.
4484         (mark_no_warning): Removed.
4485         (generate_one_element_ref): Handle BIT_FIELD_REFs.
4486         (REPLDUP, sra_build_elt_assignment): New.
4487         (generate_copy_inout): Use them.
4488         (generate_element_copy): Likewise.  Handle bitfld differences.
4489         (generate_element_zero): Don't recurse for blocks.  Use
4490         sra_build_elt_assignment.
4491         (generate_one_element_int): Take elt instead of var.  Use
4492         sra_build_elt_assignment.
4493         (generate_element_init_1): Adjust.
4494         (scalarize_use, scalarize_copy): Use REPLDUP.
4495         (scalarize_ldst): Move assert before dereference.
4496         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
4498 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
4500         * regmove.c: Fix unused variable warnings due to previous commit.
4502 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
4504         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
4505         (regmove_bb_head): Remove.
4506         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
4507         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
4508         problems with fixup_match_1.
4509         Don't initialize/free regmove_bb_head.
4511         (reg_is_remote_constant_p): If an insn is in the same basic block
4512         but not before INSN, consider it remote, too.
4514 2007-04-05  Anatoly Sokolov <aesok@post.ru>
4516         PR target/25448
4517         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
4518         DECL_ASSEMBLER_NAME, not the DECL_NAME.
4520 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
4522         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
4523         (CONDITIONAL_REGISTER_USAGE): Likewise.
4525 2007-04-04  Richard Henderson  <rth@redhat.com>
4527         * config/alpha/lib1funcs.asm: Remove unused file.
4529 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
4531         PR other/31356
4532         * opts.c (print_specific_help): Fix --help=<language>
4533         header line.
4534         (common_handle_option): Support --help=common.
4536 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
4538         PR other/31353
4539         * gcc.c (main): Do not run the linker if
4540         print_subprocess_help indicates that it shouldn't be
4541         run.
4543 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
4545         PR doc/31355
4546         * doc/invoke.texi (--help=): Document <languages> value, fix
4547         formatting in tables of values.
4549 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
4551         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
4552         dllimport attribute of virtual methods.
4554 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
4556         * config/score/crti.asm: Change _bss_start to __bss_start.
4557         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
4558         (OUTGOING_REG_PARM_STACK_SPACE) update.
4559         * config/score/score.opt: add options to make backend support
4560         score5, score5u, score7 and score7d.
4561         * config/score/score.md: Likewise.
4562         * config/score/misc.md: Likewise.
4563         * config/score/mac.md: Likewise.
4564         * doc/invoke.texi: Likewise.
4565         * doc/md.texi: update constraints define.
4567 2007-04-03  Richard Henderson  <rth@redhat.com>
4569         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
4570         an appropriate type, use the mode instead.
4572 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
4574         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
4575         Set the default --with-arch setting to mips2.
4576         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
4577         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
4578         (MULTILIB_OSDIRNAMES): Delete.
4579         (MULTILIB_DIRNAMES): Define.
4580         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
4581         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
4582         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
4583         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
4584         VXWORKS_OS_CPP_BUILTINS.
4585         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
4586         (MIPS_DEBUGGING_INFO): Undefine.
4587         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
4589 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
4591         PR middle-end/30704
4592         * fold-const.c (native_encode_real): Encode real.c provided longs
4593         as a series of 32-bit native integers.
4594         (native_interpret_real): Interpret buffer as a series of 32-bit
4595         native integers.
4597 2007-04-03  Richard Guenther  <rguenther@suse.de>
4599         * genpreds.c (write_insn_constraint_len): Write function
4600         optimized for CONSTRAINT_LEN implementation.
4601         (write_tm_preds_h): Output insn_constraint_len inline and
4602         use it for CONSTRAINT_LEN.
4603         (write_insn_preds_c): Don't output insn_constraint_len.
4604         * doc/md.texi (define_register_constraint): Document multi-letter
4605         constraints shall have the same length if they start with the same
4606         letter.
4608 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
4610         PR target/31175
4611         * config/i386/i386.md (isinf<mode>2): Expand only when
4612         TARGET_C99_FUNCTIONS is set.
4614 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
4616         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
4617         (x86_64-*-linux*): Ditto.
4618         * config/i386/i386.opt (mpc): New option.
4619         * config/i386/i386.c (overrride_options): Handle
4620         ix87_precision_string.
4621         * config/i386/crtprec.c: New file.
4622         * config/i386/t-crtpc: Ditto.
4623         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
4624         and -mpc80 options.
4625         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
4626         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4627         crtprec32.o, crtprec64.o and crtprec80.o.
4629         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
4630         and -mpc80 options.
4631         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
4633 2007-04-02  Eric Christopher  <echristo@apple.com>
4635         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
4636         limitations on darwin.
4638 2007-04-02  Anatoly Sokolov <aesok@post.ru>
4640         PR target/31137
4641         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
4643 2007-04-02  Dave Korn  <dave.korn@artimi.com>
4645         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
4647 2007-04-02  Dave Korn  <dave.korn@artimi.com>
4649         * libgcc2.h (exception_descriptor): Don't forward-declare.
4650         (__get_eh_table_language, __get_eh_table_version): Delete
4651         prototypes of long-dead functions.
4653 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
4655         * ebitmap.h: New file
4656         * ebitmap.c: New file
4657         * Makefile.in (ebitmap.o): New target.
4659 2007-04-01  Jan Hubicka  <jh@suse.cz>
4661         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
4662         before very first instruction.
4664 2007-04-01  Jan Hubicka  <jh@suse.cz>
4666         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
4667         waring on 64bit hosts.
4668         * bitmap.h: Fix typo in bitmap_head_def.
4670 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
4672         PR rtl-optimization/31391
4673         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
4674         into a DELETED_LABEL note, and the label is in an empty basic
4675         block, update BB_END as well as BB_HEAD.
4677 2007-04-01  Richard Henderson  <rth@redhat.com>
4679         PR tree-optimization/31169
4680         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
4681         to varying if the range is outside [0,  prec-1].
4683 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
4685         PR target/31388
4686         * config/mips/mips.md (load_const_gp): New insn.
4687         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
4688         the MIPS16 GP pseudo register if no_new_pseudos.
4689         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
4691 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4693         PR target/31364
4694         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
4695         secureplt.
4696         (call_value): Likewise.
4698 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
4699             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4701         PR 14737
4702         * doc/invoke.texi: (optimization options): Reword description
4703         of -ffast-math. Document its primary purpose.
4705 2007-03-31  Richard Guenther  <rguenther@suse.de>
4707         * omp-low.c (splay-tree.h): Include.
4708         (lookup_decl): Replace splay-tree usage by pointer-map.
4709         (maybe_lookup_decl): Likewise.
4710         (new_omp_context): Likewise.
4711         (delete_omp_context): Likewise.
4712         * gimplify.c (splay-tree.h): Include.
4713         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
4714         pointer-map.
4715         (remap_ssa_name): Likewise.
4716         (remap_decl): Likewise.
4717         (remap_type_1): Likewise.
4718         (remap_type): Likewise.
4719         (copy_body_r): Likewise.
4720         (expand_call_inline): Likewise.
4721         (clone_body): Likewise.
4722         (copy_tree_r): Likewise.
4723         (remap_save_expr): Likewise.
4724         (unsave_r): Likewise.
4725         (unsave_expr_now): Likewise.
4726         (tree_function_versioning): Likewise.
4727         (build_duplicate_type): Likewise.
4728         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
4729         (struct copy_body_data): Replace splay-tree by pointer-map.
4730         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
4731         not $(SPLAY_TREE_H).
4732         (gimplify.o): Depend on $(SPLAY_TREE_H).
4733         (omp-low.p): Likewise.
4735 2007-03-31  Anatoly Sokolov <aesok@post.ru>
4737         * config/avr/predicates.md (even_register_operand,
4738         odd_register_operand): New predicates.
4739         * config/avr/avr.md (movw peephole2): New.
4740         (movw_r peephole2): New.
4742 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
4744         * tree.h (get_signed_or_unsigned_type): New.
4745         * fold-const.c (operand_equal_for_comparison_p): Use
4746         get_signed_or_unsigned_type instead of
4747         lang_hooks.types.signed_or_unsigned_type.
4748         * expr.c (store_expr): Ditto.
4749         * langhooks.c (get_signed_or_unsigned_type): New.
4750         (lhd_signed_or_unsigned_type): New.
4751         * langhooks.h (lhd_signed_or_unsigned_type): New.
4752         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
4754 2007-03-30  Richard Henderson  <rth@redhat.com>
4756         * tree-ssa-loop-ivopts.c: Include target.h.
4757         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
4758         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
4759         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
4760         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
4762 2007-03-30  Richard Henderson  <rth@redhat.com>
4763             Kai Tietz  <kai.tietz@onevision.com>
4765         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
4766         default for 64-bit.
4767         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
4768         (TARGET_64BIT_MS_ABI): New.
4769         (DBX_REGISTER_NUMBER): Handle 64-bit.
4770         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
4771         (LONG_TYPE_SIZE): Force to 32.
4772         (REG_PARM_STACK_SPACE): New.
4773         (OUTGOING_REG_PARM_STACK_SPACE): New.
4774         (REGPARM_MAX, SSE_REGPARM_MAX): New.
4775         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
4776         (STACK_BOUNDARY): Use 128 for 64-bit.
4777         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
4778         Add 64-bit implementation.
4779         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
4780         argument unused.
4781         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
4782         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
4783         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
4784         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
4785         (ix86_handle_cconv_attribute): Don't warn when ignoring if
4786         TARGET_64BIT_MS_ABI.
4787         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
4788         (ix86_pass_by_reference): Likewise.
4789         (ix86_function_value_regno_p): Likewise.
4790         (ix86_build_builtin_va_list): Likewise.
4791         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
4792         (function_arg_advance_ms_64): New.
4793         (function_arg_advance): Call it.
4794         (function_arg_ms_64): New.
4795         (function_arg): Call it.
4796         (function_value_ms_64): New.
4797         (ix86_function_value_1): Call it.
4798         (return_in_memory_ms_64): New.
4799         (ix86_return_in_memory): Call it.
4800         (setup_incoming_varargs_ms_64): New.
4801         (ix86_setup_incoming_varargs): Call it.
4802         (ix86_expand_prologue): Handle 64-bit stack probing.
4803         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
4804         (output_pic_addr_const): Likewise.
4805         (x86_this_parameter): Likewise.
4806         (x86_output_mi_thunk): Likewise.
4807         (x86_function_profiler): Likewise.
4808         (TARGET_STRICT_ARGUMENT_NAMING): New.
4809         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
4810         (TARGET_64BIT_MS_ABI): New.
4811         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
4812         * config/i386/i386.md (allocate_stack_worker): Remove.
4813         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
4814         describe the clobber of eax without a match_scratch.
4815         (allocate_stack_worker_postreload): Remove.
4816         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
4817         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
4818         (allocate_stack_worker_rex64_postreload): Remove.
4819         (allocate_stack): Handle 64-bit.
4820         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
4821         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
4822         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
4823         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
4824         (STANDARD_STARTFILE_PREFIX_1): Likewise.
4825         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
4826         * config.build (x86_64-*-mingw*): New host.
4827         * config.host (x86_64-*-mingw*): New host.
4828         * config.gcc (x86_64-*-mingw*): New target.
4829         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
4831 2007-03-30  Richard Henderson  <rth@redhat.com>
4832             Kai Tietz  <kai.tietz@onevision.com>
4834         * c-pragma.c (struct def_pragma_macro_value): New.
4835         (struct def_pragma_macro): New.
4836         (pushed_macro_table): New.
4837         (dpm_hash, dpm_eq): New.
4838         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
4839         (init_pragma): Install them.
4840         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
4842 2007-03-30  Anatoly Sokolov <aesok@post.ru>
4844         * config/avr/avr.c (avr_override_options): Clear
4845         'flag_delete_null_pointer_checks'.
4847 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
4849         PR c++/26099
4850         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
4851         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
4852         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
4853         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
4854         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
4855         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
4856         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
4857         C++ extensions.
4858         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
4860 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
4862         * regmove.c: Move all of pass_stack_adjustments from here...
4863         * combine-stack-adj.c: ...to this new file.
4864         * Makefile.in: Add rules for combine-stack-adj.o.
4866 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
4868         PR tree-optimization/31383
4869         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
4870         to have the same length.
4872 2007-03-30  Jan Hubicka  <jh@suse.cz>
4874         PR middle-end/30700
4875         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
4876         availablility; add more sanity checking; ask varpool only about
4877         VAR_DECL.
4879 2007-03-29  Richard Henderson  <rth@redhat.com>
4881         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
4882         to decide, but __SIZEOF_LONG_LONG__.
4884 2007-03-29  Richard Henderson  <rth@redhat.com>
4886         * emutls.c (struct __emutls_array): New.
4887         (emutls_destroy): Use it instead of casting element 0 from void*.
4888         (__emutls_get_address): Likewise.
4890 2007-03-29  Richard Henderson  <rth@redhat.com>
4892         * varasm.c (initializer_constant_valid_p): Don't deny
4893         DECL_DLLIMPORT_P on functions.
4895         * config/i386/cygming.h: Remove function declarations.
4896         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
4897         (ASM_OUTPUT_LABELREF): Remove.
4898         (COMMON_ASM_OP): Remove.
4899         (ASM_OUTPUT_COMMON): Remove.
4900         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
4901         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
4902         (ASM_DECLARE_FUNCTION_NAME): Likewise.
4903         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
4904         Rename from TARGET_ENCODE_SECTION_INFO.
4905         * config/i386/netware.h: Likewise.
4906         * config/i386/i386-protos.h: Update.
4907         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
4908         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
4909         (legitimate_constant_p): Reject dllimports.
4910         (dllimport_map, get_dllimport_decl): New.
4911         (legitimize_dllimport_symbol): New.
4912         (legitimize_address, ix86_expand_move): Use it.
4913         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
4914         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
4915         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
4916         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
4917         * config/i386/predicates.md (constant_call_address_operand): Only
4918         accept symbols; reject dllimport_p symbols.
4919         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
4920         i386_pe_maybe_record_exported_symbol.
4921         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
4922         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
4923         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
4924         trust the setting of DECL_DLLIMPORT_P.
4925         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
4926         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
4927         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
4928         tidy the argument scanning loop.
4929         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
4930         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
4931         (i386_pe_strip_name_encoding): Remove.
4932         (i386_pe_binds_local_p): New.
4933         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
4934         (i386_pe_output_labelref): Remove.
4935         (i386_pe_asm_output_aligned_decl_common): New.
4936         (i386_pe_maybe_record_exported_symbol): Rename from
4937         i386_pe_record_exported_symbol; check for dllexported symbols.
4939 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
4941         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
4942         add comment explaining why vsnprintf cannot be used.
4944 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
4946         PR tree-optimization/30666
4947         * tree.c (build_complex_type): When creating type names for DWARF2
4948         debug info, create TYPE_DECLs for TYPE_NAME instead of
4949         IDENTIFIER_NODEs.
4950         (build_common_tree_nodes_2): Use build_complex_type when building
4951         predefined complex types, to preserve canonical types.
4953 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
4955         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
4956         (noce_get_alt_condition): Look at it to determine whether to
4957         reverse the condition or not.
4958         (noce_get_condition): Substitute the truth for lies.
4959         (noce_find_if_block): Set the then_else_reversed field.
4961 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
4963         * config/fr30/fr30.md (movdi): Do not accept immediates as the
4964         destination of this insn.
4965         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
4966         than calling gen_rtx_SET directly.  Use r0 to hold the value of
4967         'address + 4' rather than a stack based temporary which can be
4968         mis-optimized away.
4970 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
4972         * config/s390/s390.c (s390_secondary_input_reload_class,
4973         s390_secondary_output_reload_class): Functions removed.
4974         (s390_secondary_reload): New function.
4975         (TARGET_SECONDARY_RELOAD): Target macro defined.
4976         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
4977         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
4978         * config/s390/s390.md ("reload_outti", "reload_outdi",
4979         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
4980         "reload_out<mode>"): Expanders removed.
4981         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
4982         "reload<mode>_nonoffmem_out"): Expanders added.
4984 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
4986         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
4987         SRC->DEST replacement failed anyway.
4989 2007-03-28  Mike Stump  <mrs@apple.com>
4991         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
4992         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
4993         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
4995 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4997         * config.gcc: Accept barcelona as a variant of amdfam10.
4998         * config/i386/i386.c (override_options): Likewise.
4999         * doc/invoke.texi: Likewise.
5001 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
5003         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
5004         offsets for BIT_FIELD_REF and COMPONENT_REF.
5006 2007-03-28  Richard Guenther  <rguenther@suse.de>
5008         * tree.c (is_global_var): Move ...
5009         * tree-flow-inline.h (is_global_var): ... here.
5010         * tree.h (is_global_var): Remove declaration.
5012 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
5014         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
5015         option.
5016         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
5017         * config/i386/i386.c (ix86_tune_features): Initialize new
5018         tuning option.
5019         * config/i386/predicates.md (promotable_binary_operator): Use
5020         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
5022 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5024         PR target/31380
5025         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
5027 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
5029         * config/fr30/fr30.md (movsi_internal): Change destination
5030         constraint from m to V and add m to the end.
5032 2007-03-28  Christian Bruel  <christian.bruel@st.com>
5034         * config/sh/sh.md (movsi_i): Fix type attribute.
5036 2007-03-28  Christian Bruel  <christian.bruel@st.com>
5038         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
5039         (movsf_ie): Likewise.
5041 2007-03-28  Christian Bruel  <christian.bruel@st.com>
5043         * config.gcc: Add sh4-300 to multilib.
5044         * config/sh/t-mlib-sh4-300: New file.
5046 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
5048         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
5049         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
5050         fix_trunc<mode>di2.
5051         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
5052         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
5053         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
5054         "fixuns_trunctddi2"): Whitespace fix.
5056 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
5058         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
5059         the definition of struct sh_args.
5060         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
5061         CALL_COOKIE_INT_REG_GET): Likewise.
5063 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
5065         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
5066         transformations are applied successfully.
5068 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
5070         * tree.c (tree_contains_struct): Permit 512 tree codes.
5071         * tree.h (tree_contains_struct): Ditto.
5072         (MAX_TREE_CODES): Ditto.
5073         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
5074         SPARE member to store remaining padding bits.
5076 2007-03-27  Anatoly Sokolov <aesok@post.ru>
5078         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
5079         architecture.
5081 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
5083         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
5084         * configure: Regenerate.
5086         * configure: Regenerate using the correct version of autoconf.
5088 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
5090         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
5091         pointer regs.
5092         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
5093         regs to "__SP_L__" and "__SP_H__".
5095 2007-03-27  Richard Guenther  <rguenther@suse.de>
5097         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
5098         computations with it with a HOST_WIDE_INT variable.
5100 2007-03-26  Mike Stump  <mrs@apple.com>
5102         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
5103         objective-c-header, objective-c++-header and objc++-cpp-output
5104         support.
5105         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
5107 2007-03-26  Richard Henderson  <rth@redhat.com>
5109         PR target/31361
5110         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
5111         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
5112         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
5113         IX86_BUILTIN_PSRLQ128): New.
5114         (ix86_init_mmx_sse_builtins): Add them.
5115         (ix86_expand_builtin): Expand them.
5116         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
5117         operand 2 be TImode.
5118         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
5119         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
5120         _mm_srli_epi64): Mark __B const.
5121         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
5122         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
5123         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
5124         new two-vector shift builtins.
5126 2007-03-26  Ian Lance Taylor  <iant@google.com>
5128         PR tree-optimization/31345
5129         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
5130         [+INF, +INF(OVF)] into VARYING.
5132 2007-03-26  Zack Weinberg  <zackw@panix.com>
5134         * gengtype-parse.c: New file.
5135         * gengtype-yacc.y: Delete.
5136         * gengtype-lex.l: Don't include gengtype-yacc.h.
5137         Define YY_DECL and yyterminate appropriately for recursive
5138         descent parser.  yylval is now a string out-parameter to yylex.
5139         (HWS, EOID): New shorthand.
5140         (IWORD): Add a couple more types.
5141         (yylex): Add a setup stanza.  Remove the complex rules for
5142         detecting GTY'ed types and typedefs; replace with simple
5143         keyword detectors.  Adjust everything for the changed
5144         definition of yylval.  Ignore all pp-directives, not just #define.
5145         (yyerror): Delete.
5146         (parse_file): Rename yybegin; do not call yyparse.
5147         (yyend): New.
5148         * gengtype.c (xasprintf): Export again.
5149         (this_file): New.  Use everywhere __FILE__ was being used.
5150         (get_lang_bitmap): Special case types defined in gengtype.c.
5151         (do_typedef, new_structure): Suppress definition of certain types.
5152         (new_structure): Improve diagnostics of duplicate definitions.
5153         Make sure location_s is associated with input.h.
5154         (nreverse_pairs, define_location_structures): New functions.
5155         (main): Improve tagging of kludge types.  Remove old kludges
5156         for input.h types; use define_location_structures.
5157         * gengtype.h: Update prototypes.  Define token codes here.
5158         * Makefile.in: Remove all references to gengtype-yacc.
5159         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
5160         and gengtype.
5161         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
5162         add GTY((skip)) to the field that's only conditionally there.
5163         * doc/install.texi: Document that Bison is no longer required
5164         unless building treelang.
5166         * gengtype.c: Don't include gtyp-gen.h.
5167         (srcdir): Declare here.
5168         (base_files, lang_dir_names): Allocate dynamically.
5169         (gt_files, num_gt_files, num_lang_dirs): New globals.
5170         (measure_input_list, read_input_line, read_input_list)
5171         (set_lang_bitmap): New functions.
5172         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
5173         simplify, relying on read_input_list to set up the bitmaps.
5174         (main): Arguments are no longer unused.  Check for correct number
5175         of command line arguments, set srcdir and srcdir_len, then call
5176         read_input_list, before doing anything else.  No need to worry
5177         about duplicates in main loop.
5178         * configure.ac: Simplify the calculation of all_gtfiles.
5179         Put language tags in there.  Don't set or substitute
5180         all_gtfiles_files_langs or all_gtfiles_files_frags.
5181         * Makefile.in: Revamp the way gengtype is invoked, now that it
5182         takes a file on its command line with a much simpler format.
5183         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
5184         (GTFILES): Remove duplicates and C source files.
5185         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
5186         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
5187         * configure: Regenerate.
5189         * gengtype.h: Remove all type definitions to gengtype.c; leave
5190         only definitions of options_p, type_p, and pair_p as opaque
5191         pointers.  Update prototypes.
5192         * gengtype.c: Many type definitions moved here from gengtype.h.
5193         Consolidate type definitions at the top of the file.
5194         (xvasprintf): Delete.
5195         (xasprintf): Make static.
5196         (create_nested_pointer_option): Add 'next' parameter.
5197         (create_field_all, create_field_at): New functions.
5198         (create_field): Now a thin wrapper around create_field_all.
5199         (create_optional_field): Rename create_optional_field_ and add
5200         line argument.  Original name is now a macro which supplies
5201         __LINE__.
5202         (oprintf): Use vsnprintf directly.
5203         (close_output_files): Use fatal rather than perror/exit.
5204         (note_def_vec, note_def_vec_alloc): Use create_field_at.
5205         (main): Set progname.  Don't use exit.
5206         * gengtype-yacc.y (struct_fields): Use create_field_at.
5207         (option, optionseqopt): Delete.
5208         (optionseq): Consolidate productions from option here so we
5209         can use the first argument to create_option.
5211         * gengtype-lex.l: Distinguish unions from structures in the
5212         token type.  Don't call find_structure; return the tag as a string.
5213         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
5214         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
5215         Reorganize typedef_struct production accordingly.
5216         Use create_nested_ptr_option.
5217         * gengtype.c (create_nested_ptr_option): New function.
5218         * gengtype.h: Declare it.
5220         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
5221         (string_type): Don't declare.
5222         (do_scalar_typedef): Declare.
5223         (create_scalar_type): Update prototype.
5224         * gengtype.c (string_type): Make static.
5225         (scalar_nonchar, scalar_char): New.
5226         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
5227         (resolve_typedef): Use scalar_nonchar for error recovery.
5228         (create_scalar_type): Remove name_len field.  Return scalar_char
5229         or scalar_nonchar as appropriate.
5230         (adjust_field_type): Look at scalar_is_char boolean to decide whether
5231         to use string_type.
5232         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
5233         whenever possible.
5234         (main): Initialize scalar_char and scalar_nonchar before calling
5235         gen_rtx_next.
5236         * gengtype-lex.l: Adjust for removal of second argument to
5237         create_scalar_type.  Use yylval.s instead of yylval.t when
5238         returning SCALAR.
5239         * gengtype-yacc.y: Type of SCALAR is string.  Call
5240         create_scalar_type from type:SCALAR rule.  Adjust for removal of
5241         second argument to create_scalar_type.
5243         * vec.h: Remove all #if IN_GENGTYPE blocks.
5244         Add comment saying that changes may require adjustments to gengtype.
5245         * gengtype.c: Don't include coretypes.h or tm.h.
5246         Add comment to inclusion of errors.h.
5247         (note_def_vec, note_def_vec_alloc): New functions.
5248         * gengtype.h: Declare new functions.
5249         * gengtype-lex.l: Don't include coretypes.h.
5250         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
5251         Delete.
5252         (update_lineno): Remove unnecessary prototype.
5253         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
5254         (VEC rule): Just return VEC_TOKEN.
5255         * gengtype-yacc.y (VEC_TOKEN): New token type.
5256         (type): Add a production for VEC(a,b).
5257         * Makefile.in: Update dependencies.
5259         * gengtype-lex.l: Remove rules for parsing pointer-to-function
5260         typedefs that use the old PARAMS macro.
5262         * gengtype-lex.l: Remove all rules and states relating to yacc
5263         input files.
5264         * gengtype-yacc.y: Similarly.
5265         * gengtype.c (note_yacc_type): Delete function.
5266         * gengtype.h: Update prototypes.
5268 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
5270         * tree-pretty-print.c (dump_generic_node): Report precision of
5271         unnamed integer types.
5273 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
5275         * ifcvt.c (noce_try_store_flag_constants): Don't check
5276         no_new_pseudos here.
5277         (noce_try_store_flag_constants): Don't check no_new_pseudos.
5278         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
5279         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
5280         noce_try_sign_mask): Likewise.
5281         (if_convert): Check no_new_pseudos here.
5283         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
5284         Remove prototypes.
5285         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
5286         (noce_get_condition): Handle new then_else_reversed argument.
5287         (noce_init_if_info): Remove, fold into noce_find_if_block.
5288         (noce_process_if_block): Take a struct noce_if_info as the
5289         argument.  Don't set up one based on ce_if_info.  Update pointer
5290         references accordingly.
5291         (cond_move_process_if_block): Likewise.
5292         (process_if_block): Removed.
5293         (find_if_block): Removed.  Move functionality two new functions,
5294         noce_find_if_block and cond_exec_find_if_block.
5295         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
5296         blocks and the symmetric IF-ELSE-JOIN case.
5297         (cond_exec_find_if_block): Also new function mostly based on old
5298         find_if_block and process_if_block.
5299         (find_if_header): Replace find_if_block call with separately
5300         guarded calls to noce_find_if_block and cond_exec_find_if_block.
5301         (find_cond_trap): Update noce_get_condition call.
5302         (dead_or_predicable): Likewise.
5304 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
5306         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
5307         Remove.
5308         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
5309         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
5310         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
5311         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
5312         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
5313         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
5314         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
5315         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
5316         __builtin_ia32_psrad128 builtins.
5318 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
5320         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
5321         * config/i386/constraints.md
5322         (define_constraint "I"): Use IN_RANGE macro.
5323         (define_constraint "J"): Ditto.
5324         (define_constraint "K"): Ditto.
5325         (define_constraint "M"): Ditto.
5326         (define_constraint "N"): Ditto.
5327         (define_constraint "O"): Ditto.
5328         * config/i386/predicates.md
5329         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
5330         (define_predicate "const_0_to_3_operand"): Ditto.
5331         (define_predicate "const_0_to_7_operand"): Ditto.
5332         (define_predicate "const_0_to_15_operand"): Ditto.
5333         (define_predicate "const_0_to_63_operand"): Ditto.
5334         (define_predicate "const_0_to_255_operand"): Ditto.
5335         (define_predicate "const_1_to_31_operand"): Ditto.
5336         (define_predicate "const_2_to_3_operand"): Ditto.
5337         (define_predicate "const_4_to_7_operand"): Ditto.
5339 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
5341         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
5342         in SImode for save_world.
5343         * config/rs6000/altivec.md (save_world, restore_world): Convert to
5344         LR hard reg.
5346 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
5348         PR tree-optimization/30784
5349         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
5350         BIT_FIELD_REF.
5352 2007-03-25  Revital Eres  <eres@il.ibm.com>
5354         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
5355           Fold movement_possibility function into it.
5357 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
5359         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
5360         (load_macho_picbase_{si,di}): Convert to LR hard reg.
5361         (call_indirect_nonlocal_darwin64): Same.
5362         (call_nonlocal_darwin64): Same.
5363         (call_value_indirect_nonlocal_darwin64): Same.
5364         (call_value_nonlocal_darwin64): Same.
5365         (sibcall_nonlocal_darwin64): Same.
5366         (sibcall_value_nonlocal_darwin64): Same.
5367         (sibcall_symbolic_64): Same.
5368         (sibcall_value_symbolic_64): Same.
5369         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
5370         LR pseudo.
5371         (rs6000_emit_load_toc_table): Same.
5372         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
5373         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
5374         (mull_call): Same.
5375         (divss_call): Same.
5376         (divus_call): Same.
5377         (quoss_call): Same.
5378         (quous_call): Same.
5379         (load_toc_v4_pic_si): Same
5380         (load_toc_v4_PIC_1): Same.
5381         (load_toc_v4_PIC_1b): Same.
5382         (call_indirect_aix{32,64}): Same.
5383         (call_value_indirect_aix{32,64}): Same.
5384         (call): Same.
5385         (call_value): Same.
5386         (call_local{32,64}): Same.
5387         (call_value_local{32,64}): Same.
5388         (call_indirect_nonlocal_aix{32,64}): Same.
5389         (call_nonlocal_aix{32,64}): Same.
5390         (call_value_indirect_nonlocal_aix{32,64}): Same.
5391         (call_value_nonlocal_aix{32,64}): Same.
5392         (call_indirect_nonlocal_sysv<mode>): Same.
5393         (call_nonlocal_sysv<mode>): Same.
5394         (call_value_indirect_nonlocal_sysv<mode>): Same.
5395         (call_value_nonlocal_sysv<mode>): Same.
5396         (sibcall): Same.
5397         (sibcall_local{32,64}): Same.
5398         (sibcall_value_local{32,64}): Same.
5399         (sibcall_nonlocal_aix{32,64}): Same.
5400         (sibcall_value_nonlocal_aix{32,64}): Same.
5401         (sibcall_nonlocal_sysv<mode>): Same.
5402         (sibcall_value): Same.
5403         (sibcall_value_nonlocal_sysv<mode>): Same.
5405 2007-03-24  Paul Brook  <paul@codesourcery.com>
5407         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
5408         * config/arm/linux-eabi.h: Remove legacy syscall hack.
5410 2007-03-24  Richard Henderson  <rth@redhat.com>
5412         * config/ia64/constraints.md: New file.
5413         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
5414         satisfies_constraint_?.
5415         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
5416         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
5417         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
5418         ia64_output_mi_thunk): Likewise.
5419         (ia64_const_ok_for_letter_p): Remove.
5420         (ia64_const_double_ok_for_letter_p): Remove.
5421         (ia64_extra_constraint): Remove.
5422         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
5423         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
5424         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
5425         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
5426         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
5427         EXTRA_MEMORY_CONSTRAINT): Remove.
5428         * config/ia64/ia64.md: Include constriants.md.  Replace
5429         CONST_OK_FOR_? with satisfies_constraint_?.
5431 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
5432             H.J. Lu  <hongjiu.lu@intel.com>
5434         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
5435         DPD or BID name.
5436         (name macros): Use DPD_BID_NAME to convert names properly.
5438         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
5439         decimal floating point format.
5440         (init_floating_libfuncs): Change decimal functions so that they
5441         have a "bid_" prefix if the decimal system uses the BID format,
5442         and "dpd_" prefix if the decimal system uses the DPD format.
5443         (init_interclass_conv_libfuncs): Ditto.
5444         (init_intraclass_conv_libfuncs): Ditto.
5446         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
5447         using the BID format.
5449         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
5450         whether we are using the BID decimal format.
5451         * configure: Regenerate.
5453         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
5454         the compiler has decimal floating point enabled.  Define
5455         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
5456         instead of DPD.
5458         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
5459         using the BID format.
5461         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
5462         whether we are using the BID decimal format.
5463         * configure: Regenerate.
5465         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
5466         the compiler has decimal floating point enabled.  Define
5467         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
5468         instead of DPD.
5470         * doc/install.texi (--enable-decimal-float): Document BID and DPD
5471         options, and that it is enabled for i386/x86_64 systems.
5473         * Makefile.in (enable_decimal_float): New.
5474         (DECNUMFMT): New.
5475         (DECNUMINC): Add  -I$(DECNUMFMT).
5476         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
5477         to $(DECNUMFMT) from $(DECNUM).
5479         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
5480         Substitute enable_decimal_float.
5481         * configure: Regenerated.
5483         PR other/30529
5484         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
5485         unsigned long.
5487         * configure.ac: Enable decimal float for x86_64-*-linux*.
5488         * configure: Regenerated.
5490         PR other/30530
5491         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
5492         decimal128ClearSign to flip and clear the sign bit in decimal128.
5493         (decimal_real_maxval): Set decimal128SetSign to set the sign
5494         bit in decimal128.
5496 2007-03-23  Ian Lance Taylor  <iant@google.com>
5498         * fold-const.c (fold_binary): Correct warning for X - c >= X.
5500 2007-03-23  Ian Lance Taylor  <iant@google.com>
5502         * tree-dump.c (dump_files): Correct comment.
5504 2007-03-23  Ian Lance Taylor  <iant@google.com>
5506         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
5508 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
5510         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
5511         in cfglayout mode.  Don't go into and out of cfglayout mode.
5512         Link the blocks in the order of the constructed traces.
5513         (rest_of_handle_tracer): Adjust call to tracer.
5514         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
5515         Don't go into cfglayout mode.
5516         (rtl_loop_done): Don't go out of cfglayout mode.
5517         * cfglayout.c (relink_block_chain): New function, split out from...
5518         (fixup_reorder_chain): ...here.  Remove redundant checking.
5519         (cfg_layout_finalize): Don't clear the header, footer, and aux
5520         fields here, move the code to do so to relink_block_chain.  Likewise
5521         for free_original_copy_tables.
5522         * rtl.h (tracer): Update prototype.
5523         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
5524         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
5525         mode.  Use relink_block_chain to serialize the CFG according to the
5526         new basic block order.  Move targetm.cannot_modify_jumps_p check from
5527         here...
5528         (gate_handle_reorder_blocks): ...to here.
5529         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
5530         from here...
5531         (gate_duplicate_computed_gotos): ...to here.
5532         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
5533         something always changes when going into and out of cfglayout mode.
5534         Perform an expensive cfg cleanup while going into cfglayout mode.
5535         Always update liveness information on HAVE_conditional_execution
5536         targets.  Reserialize the basic blocks and go out of cfglayout mode.
5537         * reg-stack.c: Include cfglayout.h.
5538         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
5539         the call to reorder_basic_blocks.
5540         * basic-block.h (reorder_basic_blocks): Update prototype.
5541         (relink_block_chain): New prototype.
5542         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
5544 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
5546         * config/mips/mips.md (type, hazard, *movdi_32bit,
5547         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
5548         *movhi_internal, *movqi_internal, *movsf_hardfloat,
5549         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
5550         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
5551         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
5552         applicable.
5553         (movcc): Change first xfer to multi.
5554         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
5555         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
5556         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
5557         config/mips/generic.md: Change reservations using "xfer" to use
5558         "mfc,mtc".
5559         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
5560         using match_operand.
5561         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
5562         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
5563         examining mode.
5564         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
5566 2007-03-22  Richard Henderson  <rth@redhat.com>
5568         * config/i386/i386.c: Remove unnecessary function declarations.
5569         Move targetm definition, and all related macros, to the end of
5570         the file.  Resort some functions to put definitions before uses.
5571         (ix86_attribute_table): Make static.  Move to end of file.
5572         (ix86_gimplify_va_arg): Make static.
5574 2007-03-22  Richard Henderson  <rth@redhat.com>
5576         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
5577         don't increase local_regparm with force_align_arg_pointer check.
5578         (ix86_function_sseregparm): Assert 32-bit.
5579         (type_has_variadic_args_p): New.
5580         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
5581         type_has_variadic_args_p.
5582         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
5583         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
5584         use memset instead.  Do maybe_vaarg check first; skip attribute
5585         tests if true; skip attribute tests for 64-bit.
5586         (construct_container): Remove TARGET_DEBUG_ARG.
5587         (function_arg_advance_32, function_arg_advance_64): Split out ...
5588         (function_arg_advance): ... from here.
5589         (function_arg_32, function_arg_64): Split out ...
5590         (function_arg): ... from here.
5591         (ix86_pass_by_reference): Tidy.
5592         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
5593         (function_value_32): New, from parts of ix86_function_value
5594         and ix86_value_regno.
5595         (function_value_64): New, from parts of ix86_function_value
5596         and ix86_libcall_value.
5597         (ix86_function_value_1): New.
5598         (ix86_function_value, ix86_libcall_value): Use it.
5599         (return_in_memory_32, return_in_memory_64): Split out ...
5600         (ix86_return_in_memory): ... from here.
5601         (ix86_struct_value_rtx): Skip for 64-bit.
5602         (ix86_libcall_value, ix86_value_regno): Remove.
5603         (setup_incoming_varargs_64): Split out ...
5604         (ix86_setup_incoming_varargs): ... from here.
5605         (ix86_va_start): Remove TARGET_DEBUG_ARG.
5606         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
5607         * config/i386/i386-protos.h (ix86_function_value): Remove.
5608         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
5610 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5612         PR other/23572
5613         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
5614         infinities not supported, otherwise emit warning if -Woverflow. On
5615         underflow, emit warning if -Woverflow.
5616         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
5617         and 0 otherwise.
5618         * real.h (real_from_string): Update declaration
5620 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
5621             Richard Henderson  <rth@redhat.com>
5623         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
5624         * calls.c (compute_argument_block_size, expand_call,
5625         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
5626         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
5627         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
5628         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
5629         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
5630         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
5631         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
5632         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
5633         Set to 1.
5635 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
5637         * c-incpath.c (add_sysroot_to_chain): New.
5638         (merge_include_chains): Add sysroot argument.  Call
5639         add_sysroot_to_chain if sysrooted.
5640         (register_include_chains): Update call to merge_include_chains.
5641         * doc/cppopts.texi: Document use of '=' in include directory
5642         arguments.
5644 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
5646         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
5647         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
5648         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
5649         insn pattern using X87MODEF12 mode macro.
5651 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
5653         * regmove.c (regmove_optimize): Use reg_mentioned_p
5654         instead of reg_overlap_mentioned_p for DST.
5656 2007-03-21  Mike Stump  <mrs@apple.com>
5658         * c.opt: Fixup for Objective-C/C++.
5660 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
5662         * explow.c (convert_memory_address): Fold memory reference when
5663         POINTERS_EXTEND_UNSIGNED < 0
5665 2007-03-21  Richard Henderson  <rth@redhat.com>
5667         PR target/31245
5668         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
5669         * config/i386/mmintrin.h (__m64): Likewise.
5670         * config/i386/xmmintrin.h (__m128): Likewise.
5672 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
5674         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
5675         (VXWORKS_OS_CPP_BUILTINS): Define.
5676         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
5677         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
5679 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
5681         * rtl.h (constant_pool_reference_p): Delete.
5682         (find_constant_src): Declare.
5683         * rtlanal.c (find_constant_src): New function.
5684         * simplify-rtx.c (constant_pool_reference_p): Delete.
5685         * config/i386/i386.md: Use find_constant_src instead of
5686         constant_pool_reference_p/avoid_constant_pool_reference pairs.
5688 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
5690         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
5691         * c-cppbuiltin.c (c_cpp_builtins): Define them.
5693 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
5695         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
5696         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
5697         (arm_elf_asm_constructor): Use it.
5698         (arm_elf_asm_destructor): New function.
5700 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
5702         * jump.c (mark_jump_label): Treat SEQUENCE specially.
5704 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
5706         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
5708 2007-03-19  Andrew Haley  <aph@redhat.com>
5710         PR tree-optimization/31264
5711         * tree-vrp.c (register_edge_assert_for_1): Don't look though
5712         VIEW_CONVERT_EXPRs.
5714 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
5716         PR rtl-optimization/30907
5717         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
5718         (fwprop_init): Always call loop_optimizer_initialize.
5719         (fwprop_done): Always call loop_optimizer_finalize.
5720         (fwprop): We always have loop info now.
5721         (gate_fwprop_addr): Remove.
5722         (pass_fwprop_addr): Use gate_fwprop as gate.
5724         PR rtl-optimization/30841
5725         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
5726         df_chain_alloc): Call df_reorganize_refs unconditionally.
5727         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
5728         refs_organized to refs_organized_size.
5729         (df_ref_create_structure): Use refs_organized_size instead of
5730         bitmap_size if refs had been organized, and keep refs_organized_size
5731         up-to-date.
5732         * df.h (struct df_ref_info): Change refs_organized to
5733         refs_organized_size.
5734         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
5735         bitmap_size.
5737 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
5739         * except.c (output_function_exception_table): Do not reference the
5740         EH personality routine for functions that do not require an
5741         exception table.
5743 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
5745         PR c/30762
5746         * c-typeck.c (convert_for_assignment): Call comptypes for
5747         RECORD_TYPE or UNION_TYPE.
5749         PR inline-asm/30505
5750         * reload1.c (reload): Do invalid ASM checking after
5751         cleanup_subreg_operands.
5753 2007-03-19  Jeff Law  <law@redhat.com>
5755         * tree-cfg.c (find_taken_edge): Tighten conditions for
5756         optimizing computed gotos.
5758 2007-03-19  Michael Matz  <matz@suse.de>
5760         * builtins.c (expand_builtin_sync_operation,
5761         expand_builtin_compare_and_swap,
5762         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
5763         correctly.
5765         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
5766         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
5767         for operand 3.
5769 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5771         * doc/tm.texi: Add brackets around the return type of
5772         TARGET_SECONDARY_RELOAD.
5774 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5775         Richard Guenther  <rguenther@suse.de>
5777         PR tree-optimization/31254
5778         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5779         Use handled_component_p () where appropriate.  Continue
5780         propagating into the rhs if we propagated into an INDIRECT_REF
5781         on the lhs.
5783 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5785         * config/s390/s390.md (op_type attribute): RRR instruction type added.
5786         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
5787         (xde, xdee): Mode attributes adjusted to support DFP modes.
5788         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
5789         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
5790         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
5791         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
5792         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
5793         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
5794         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
5795         numbers.
5796         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
5797         "movsf"): Insn definitions removed.
5798         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
5799         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
5800         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
5801         definitions added.
5802         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
5803         "reload_in<mode>", "reload_out<mode>"): Expander added.
5804         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
5805         Expander removed.
5807 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5809         * config/s390/s390.md: Only non-functional changes.  Renamed
5810         FPR mode macro to BFP all over the file.
5812 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5814         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
5815         (op_type attribute): RRF instruction type added.
5816         (fT0): New mode attribute.
5817         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
5818         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
5819         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
5820         no secondary memory is needed when moving DFmode values between GPRs
5821         and FPRs.
5823 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5825         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
5826         inverted and documentation adjusted.
5827         ("mhard-dfp", "msoft-dfp"): New options.
5828         * config/s390/s390.c (s390_handle_arch_option): New architecture
5829         switch: z9-ec.
5830         (override_options): Sanity checks for the new options added.
5831         * config.gcc: New architecture switch: z9-ec.
5832         * config/s390/s390.h (processor_flags): PF_DFP added.
5833         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
5834         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
5835         when the bit is NOT set so remove it from the defaults.
5837 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5839         * genemit.c (main): Print include statement for dfp.h.
5840         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
5841         is not available.
5843 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
5845         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
5847 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
5849         PR target/31022
5850         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
5851         instead of PATTERN.
5853 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5855         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
5856         attr_length_call, output_call, output_indirect_call): Cleanup
5857         formatting of targetm calls.
5859 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
5861         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
5863 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5865         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
5866         reservation, bypass and anti-bypass descriptions for these instructions.
5867         Update move patterns.
5868         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
5869         TYPE_FPSTORE.
5871 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
5873         * tree-vect-transform.c (get_initial_def_for_induction): Replace
5874         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
5875         (get_initial_def_for_reduction): Likewise.
5877 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
5879         Fix PR tree-optimization/29922
5880         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
5881         (get_representative): Removed.
5882         (value_dies_in_block_x): Update for rvuse removal.
5883         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
5884         (compute_antic_aux): Handle when PHI nodes appear in
5885         non-single-successors.
5886         (dump_bitmap_of_names): Removed.
5887         (compute_antic_safe): Renamed and removed rvuse calculation.
5888         Calculate only antic safe.
5889         (insert_into_preds_of_block): Remove assert.
5890         (execute_pre): Update for renamed functions.
5891         (defer_or_phi_translate_block): New function.
5893 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
5895         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
5896         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
5897         typos.
5898         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
5899         Follow spelling conventions.
5901         * tree-data-ref.h: Remove the prototype for analyze_array.
5903 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
5905         PR tree-optimization/31041
5906         * tree-vect-transform.c (get_initial_def_for_induction): Call
5907         force_gimple_operand.
5909 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
5911         * ipa-type-escape.c (look_for_casts) : Revert code to use
5912         handled_component_p due to ada test a-numaux.adb.
5914 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
5916         * final.c (final_scan_insn): Alter the condition of a
5917         conditional trap if we have nonstandard CC.
5919 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
5921         * configure.ac: Remove excess quoting from asm line 0 test.
5922         * configure: Rebuilt.
5924 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5926         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
5927         * c-common.c (convert_and_check): Move warning logic to...
5928         (warnings_for_convert_and_check): ...here. Define.
5929         * c-common.h (warnings_for_convert_and_check): Declare.
5931 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5933         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
5934         (output_call): Likewise.
5936 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
5938         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
5940 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
5942         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
5944 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
5946         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
5947         opteron, athlon-64 and athlon-fx processor_alias_table entries.
5949 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
5951         PR tree-optimization/31183
5952         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
5953         Use double_int instead of unsigned int for representing access_strides.
5954         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
5956 2007-03-16  Richard Guenther  <rguenther@suse.de>
5958         PR tree-optimization/31146
5959         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
5960         to allow recursion of forward_propagate_addr_expr.
5961         (forward_propagate_addr_into_variable_array_index): Likewise.
5962         (forward_propagate_addr_expr): Likewise.
5963         (tree_ssa_forward_propagate_single_use_vars): Likewise.
5964         (forward_propagate_addr_expr_1): Recurse on simple copies
5965         instead of propagating into them.  Do so for useless conversions
5966         as well.
5967         (forward_propagate_addr_expr): Clean up unused statements after
5968         recursion.
5970 2007-03-16  Richard Guenther  <rguenther@suse.de>
5972         * builtins.c (expand_builtin_cexpi): Use the right argument
5973         for the expansion via cexp.
5975 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
5977         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
5978         * configure: Rebuilt.
5980 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
5982         PR debug/29906
5983         * dwarf2out.c (force_type_die): Adjust comment.
5984         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
5986 2007-03-15  DJ Delorie  <dj@redhat.com>
5988         * config/frv/predicates.md (minmax_operator): Don't check operands
5989         here.
5991 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
5993         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
5994         Update constant estimates of number of iterations.
5995         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
5996         argument renamed to "realistic".
5997         (compute_estimated_nb_iterations): Removed.
5998         (record_niter_bound): New function.
5999         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
6000         call record_nonwrapping_iv with upper = false.
6001         (infer_loop_bounds_from_signedness): Pass upper argument to
6002         record_nonwrapping_iv.
6003         (estimate_numbers_of_iterations_loop): Do not call
6004         compute_estimated_nb_iterations.  Record estimate based on profile
6005         information.  Initialize the constant estimates of number of
6006         iterations.
6007         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
6008         estimates.
6009         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
6010         number of iterations is too small.
6011         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
6012         (EST_NOT_AVAILABLE): Removed.
6013         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
6014         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
6015         fields.
6017 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
6019         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
6020         Handle NE_EXPR guards.
6022 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6024         PR c++/24924
6025         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
6026         Set also -pedantic-errors by default for the  preprocessor unless
6027         -fpermissive is given.
6029 2007-03-15  Richard Guenther  <rguenther@suse.de>
6031         PR middle-end/29719
6032         PR middle-end/31161
6033         * builtins.c (expand_builtin_cexpi): As a fallback if we
6034         don't have builtins for sincos or cexp create a function
6035         declaration for cexp and expand to a call to that.
6036         (expand_builtin_int_roundingfn): Always fall
6037         back to floor/ceil and its variants even if they may be
6038         not available.
6040 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
6042         PR middle-end/31159
6043         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
6044         jump tables, move the call to delete_dead_jumptables from here...
6045         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
6046         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
6047         don't allow merging of blocks that try_redirect_by_replacing_jump
6048         also does not handle when not optimizing.
6050 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
6051             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
6053         * config/i386/i386.md (x86_sahf_1): Correctly handle
6054         HAVE_AS_IX86_SAHF.
6056 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
6058         PR target/31167
6059         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
6060         x86_64_general_operand as operand[2] predicate.  Remove "iF"
6061         from operand constraints and use "e" constraint instead.
6062         (*subti3_1, *subti3_1 splitter): Ditto.
6063         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
6064         operand[1] predicate.
6066 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
6068         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
6069         arrays, multiply the access strides by the size of the sub-array.
6070         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
6072 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
6074         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
6075         the configured assembler supports the sahf mnemonic.
6076         * configure: Regenerate.
6077         * config.in: Regenerate.
6079         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
6080         emit "sahf" or ".byte\t0x9e" as asm template.
6082 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
6084         PR 31018
6085         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
6086         option to replace hard coded TARGET_xxx in md file.
6087         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
6088         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
6089         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
6090         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
6091         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
6092         (X86_TUNE_NOT_VECTORMODE): Ditto.
6093         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
6094         (TUNE_AVOID_VECTOR_DECODE): Ditto.
6095         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
6096         (TUNE_SLOW_IMUL_IMM8): Ditto.
6097         (TUNE_MOVE_M1_VIA_OR): Ditto.
6098         (TUNE_NOT_UNPAIRABLE): Ditto.
6099         (TUNE_NOT_VECTORMODE): Ditto.
6101         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
6102         options.
6104         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
6105         tuning options instead of hard coded TARGET_xxx.
6106         (fix ssemode peephole2's): Ditto.
6107         (imul peephole2's): Ditto.
6108         (movsi_or): Ditto.
6109         (movdi_or_rex64): Ditto.
6110         (move peephole2): Ditto.
6111         (not peephole2's): Ditto.
6113 2007-03-14  Dirk Mueller  <dmueller@suse.de>
6115         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
6116         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
6117         * c-parser.c (c_parser_if_body): Always add an empty statement in case
6118         of empty body.
6119         * c-parser.c (c_parser_do_statement): Warn about empty body in
6120         do/while statement.
6121         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
6122         * doc/invoke.texi (-Wempty-body): Update documentation.
6124 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6126         PR c/21438
6127         * c-common.h (warn_for_div_by_zero): Declare.
6128         * c-common.c (warn_for_div_by_zero): Define.
6129         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
6130         warning.
6132 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
6134         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
6135         to PREFIX and STANDARD_PREFIX.
6137 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
6138             Phil Edwards  <phil@codesourcery.com>
6140         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
6141         (__gthread_once_t): Remove busy field for RTPs.
6142         (__GTHREAD_ONCE_INIT): Update accordingly.
6144 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
6146         * doc/invoke.texi: Document VxWorks options.
6148 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
6150         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
6152 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
6154         PR tree-optimization/30590
6155         * tree-nrv.c (tree_nrv): Check for the partial update of the
6156         return value.
6158 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
6160         * flags.h (flag_random_seed): Remove declaration, in favor of...
6161         * toplev.h (get_random_seed, set_random_seed): ... these.
6162         * tree.c (get_file_function_name): Use the former.
6163         * opts.c (common_handle_option): Use the latter.
6164         * toplev.c
6166 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
6168         PR middle-end/31127
6169         * cse.c (cse_find_path): Do not bail out if a basic block that
6170         we already visited now becomes part of a path that starts at a
6171         different basic block.  Just disallow this, to make sure we
6172         visit each basic block at most once.
6174 2007-03-13  Jan Hubicka  <jh@suse.cz>
6176         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
6177         when profile esitmate is present, calls with very low frequency are
6178         cold.
6180 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
6182         PR tree-optimization/30730
6183         PR tree-optimization/26900
6184         * tree-ssa-loop-niter.c: Include gmp.h.
6185         (bounds): New type.
6186         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
6187         split_to_var_and_offset, determine_value_range,
6188         bound_difference_of_offsetted_base, refine_bounds_using_guard,
6189         bound_difference, bounds_add, bounds_negate,
6190         number_of_iterations_ne_max, dump_affine_iv): New functions.
6191         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
6192         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
6193         difference of initial and final value of control iv to validate
6194         results.
6195         (number_of_iterations_cond): Add loop parameter.  Determine bounds
6196         on the difference of the extremes of the control iv.  Add dumps.
6197         (expand_simple_operations): Handle phi nodes.
6198         (simplify_using_initial_conditions): Do not record used conditions.
6199         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
6200         Do not set additional_info.
6201         (implies_nonnegative_p, implies_ge_p): Removed.
6202         (derive_constant_upper_bound): Do not use parameter `additional'.
6203         (record_estimate): Parameter `additional' removed.  Parameter
6204         `i_bound' added.  Do not call derive_constant_upper_bound.
6205         (record_nonwrapping_iv): Use derive_constant_upper_bound to
6206         bound the number of iterations estimate.
6207         (estimate_numbers_of_iterations_loop): Pass the estimate from
6208         the number of iterations analysis to record_estimate.
6209         * tree.h (multiple_of_p): Declare.
6210         * tree-scalar-evolution.c (expression_expensive_p): Removed.
6211         (scev_const_prop): Do not check expression_expensive_p.
6212         * fold-const.c (multiple_of_p): Exported.
6213         * double-int.c (double_int_mask): Exported.
6214         * double-int.h (double_int_mask): Declare.
6215         * tree-flow.h (struct tree_niter_desc): Removed additional_info
6216         field.  Added max field.
6218 2007-03-13  David Taylor  <taylor@candd.org>
6220         PR driver/12448:
6221         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
6222         default -MQ.
6224 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6226         PR target/31123
6227         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
6228         two unamed patterns.
6230 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
6232         * config/i386/i386.opt (mcx16, msahf): New options.
6233         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
6234         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
6236         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
6237         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
6238         Output -mcx16 and -msahf options when corresponding bit is set.
6240         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
6241         and -msahf options.
6243 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
6245         * configure.ac: Test for assembler tolerance to # 0 "".
6246         * configure, config.in: Rebuilt.
6247         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
6249 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
6251         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
6253         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
6254         (handle_syscall): Handle direct system calls.
6255         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
6257 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
6259         * doc/invoke.texi: Fix cpp.info cross-reference.
6260         * doc/passes.texi: Fix gcc.info cross-reference.
6262 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
6264         PR tree-optimization/30835
6265         * lambda-code.c (can_convert_to_perfect_nest): Check whether
6266         bb_for_stmt is not NULL before accessing it.
6268 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
6270         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
6271         some multilibs.
6273 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
6275         PR 30635
6276         * doc/install.texi: Document --enable-stage1-languages
6278 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
6280         * tree-pass.h (pass_into_cfg_layout_mode,
6281         pass_outof_cfg_layout_mode): Declare.
6282         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
6283         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
6284         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
6285         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
6287 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
6289         * c-decl.c (warn_variable_length_array): New function.
6290         Refactored from grokdeclarator to handle warn_vla
6291         and handle unnamed array case.
6292         (grokdeclarator): Refactored VLA warning case.
6293         * c.opt (Wvla): New flag.
6294         * doc/invoke.texi (Wvla): New warning.
6296 2007-03-12  Richard Henderson  <rth@redhat.com>
6298         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
6299         (TARGET_SECTION_TYPE_FLAGS): New.
6301 2007-03-12  Richard Henderson  <rth@redhat.com>
6303         * config/darwin.c (machopic_reloc_rw_mask): New.
6304         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
6305         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
6307 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
6309         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
6310         * cppdefault.h (cpp_PREFIX): Document.
6311         (cpp_PREFIX_len): Likewise.
6312         (cpp_EXEC_PREFIX): New variable.
6313         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
6314         * c-incpath.c (add_standard_paths): Correct logic for relocating
6315         paths within prefix.
6317 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
6319         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
6320         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
6321         mode macro.
6322         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
6323         fix_truncdfdi_sse using SSEMODEF mode macro.
6324         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
6325         fix_truncdfsi_sse using SSEMODEF mode macro.
6326         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
6327         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
6329 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
6331         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
6332         elfos.h to tm_file.
6334 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
6336         * tree.h : Add multiple_of_p declaration.
6337         * fold-const.c (multiple_of_p): Make multiple_of_p public.
6338         * ipa-type-escape.c (results_of_malloc): Redundant.
6339         (visited_stmts): New. Visited stmt for walk_use_def_chains.
6340         (cast_type): Extended with new members.
6341         (check_cast): Returns cast_type.
6342         (cast): New structure for data of walk_use_def_chains.
6343         (is_malloc_result, is_cast_from_non_pointer_1,
6344         is_cast_from_non_pointer,
6345         is_array_access_through_pointer_and_index): New functions.
6346         (look_for_casts): Returns cast types.
6347         (check_call): Returns void.
6348         (okay_pointer_operation): Use support of pointer plus index,
6349         pointer plus constant and allow all multiplications.
6351 2007-03-11  Richard Guenther  <rguenther@suse.de>
6353         PR tree-optimization/31115
6354         * tree-vrp.c (extract_range_from_binary_expr): Make sure
6355         the shift count is positive and non-anti-range for RSHIFT_EXPR.
6356         A shift count of zero is not special as with *_DIV_EXPR.
6357         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
6358         direction.
6360 2007-03-11  Ian Lance Taylor  <iant@google.com>
6362         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
6363         the *_DIV_EXPR codes correctly with overflow infinities.
6365 2007-03-11  Ira Rosen  <irar@il.ibm.com>
6367         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
6368         indicate success/failure of the analysis. Add negation to subtrahend
6369         in case of subtraction. Fail if both operands contain constants.
6370         (create_data_ref): Fail if analyze_offset fails.
6372 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
6374         * config/i386/i386.md (frndintxf2): Rename to ...
6375         (rintxf2): ... this. Remove expander having same name.
6376         (rintsf2, rintdf2): Implement using SSEMODEF macro.
6377         (roundsf2, rounddf2): Ditto.
6378         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
6379         (lround<mode>di2, lround<mode>si2): Ditto.
6381 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
6383         * lower-subreg.c: Include except.h.
6384         (decompose_multiword_subregs): Verify that the only control flow
6385         insns we can split are loads to multi-words pseudos.
6386         Handle breaking such blocks after splitting, instead of calling
6387         find_many_sub_basic_blocks.
6389         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
6390         on the new basic block.  Add a lengthy comment explaining why we
6391         thought this was necessary.
6392         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
6394 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
6396         PR c++/30924
6397         * tree.c (walk_type_fields): Recurse into the element type of
6398         ARRAY_TYPEs if there is a pointer set.
6400 2007-03-10  Dirk Mueller  <dmueller@suse.de>
6402         * c-common.c (warn_logical_operator): Fix condition.
6404 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
6406         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
6407         quotation mark.
6408         * config/darwin.c (machopic_select_section): Remove superfluous
6409         argument in call to categorize_decl_for_section.  Remove unused
6410         variable shlib.
6412 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
6414         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
6415         defined.
6416         * configure: Regenerate.
6418 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
6420         PR target/31101
6421         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
6422         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
6423         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
6424         Add LABEL_NUSES to emitted label.
6425         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
6426         branch probability value to emitted jump insn.
6427         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
6428         Do not check life information and do not re-arrange input operands
6429         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
6431 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6433         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
6434         the change of decode_asm_operands.
6436 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6438         * mode-switching.c (create_pre_exit): Skip blockage insn.
6440 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
6442         * tree-pass.h (TODO_update_smt_usage): Remove.
6443         Update all users.
6444         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
6445         argument SOME.
6446         Update all users.
6448 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6450         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
6451         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
6452         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
6453         SOM target.
6455 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
6457         * gcc.c: Document %{, in big comment at top.
6458         (input_suffix_matches): Remove special handling for .s and
6459         .S.
6460         (input_spec_matches): New.
6461         (handle_braces): Handle %{,.
6462         (validate_switches): ',' indicates a value which is not a switch.
6463         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
6464         to detect assembler input.
6465         * config/i386/sol2.h (CPP_SPEC): Likewise.
6466         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
6467         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
6468         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
6469         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
6470         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
6471         -m64 causes deployment target to default to 10.5.
6472         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
6474 2007-03-09  Richard Henderson  <rth@redhat.com>
6476         PR target/26090
6477         * target.h (targetm.asm.out.reloc_rw_mask): New.
6478         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
6479         (TARGET_ASM_OUT): Use it.
6480         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
6481         * varasm.c (categorize_decl_for_section): Remove shlib argument;
6482         use the new reloc_rw_mask target hook instead.
6483         (default_section_type_flags_1): Merge into...
6484         (default_section_type_flags): ... here.
6485         (decl_readonly_section_1): Merge into...
6486         (decl_readonly_section): ... here.
6487         (default_elf_select_section_1): Merge into...
6488         (default_elf_select_section): ... here.
6489         (default_unique_section_1): Merge into...
6490         (default_unique_section): ... here.
6491         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
6492         (default_select_rtx_section): Use it.
6493         (default_elf_select_rtx_section): Likewise.
6494         * output.h: Update to match.
6495         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
6496         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
6497         (TARGET_ASM_RELOC_RW_MASK): New.
6498         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
6499         to categorize_decl_for_section.
6500         (x86_64_elf_unique_section): Likewise.
6501         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
6502         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
6503         (TARGET_ASM_RELOC_RW_MASK): New.
6504         * config/ia64/ia64.c (ia64_rwreloc_select_section,
6505         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
6506         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
6507         (TARGET_RWRELOC): Remove.
6508         (ia64_section_type_flags): Adjust call to default_section_type_flags.
6509         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
6510         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
6511         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
6512         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
6513         (rs6000_xcoff_select_section): Use decl_readonly_section.
6514         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
6515         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
6516         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
6517         (TARGET_SECTION_TYPE_FLAGS): Remove.
6518         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
6520 2007-03-09  Roger Sayle  <roger@eyesopen.com>
6522         * fold-const.c (fold_comparison): Remove compile-time evaluation of
6523         complex constant equality/inequality comparisons for here.
6524         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
6525         known at compile-time or can be simplified to a scalar comparison.
6526         (fold_relational_const): Move compile-time evaluation of complex
6527         constant equality/inequality comparisons to here.
6529 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
6531         PR rtl-optimization/30643
6532         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
6533         dest_addr_elt.
6534         (fold_rtx): Recurse, like before 2006-11-03.
6536 2007-03-09  DJ Delorie  <dj@redhat.com>
6538         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
6539         m32c-pragma.o.
6541 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
6543         PR tree-optimization/30375
6544         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
6545         LHS of statements is not the same.
6546         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
6548 2007-03-09  Chao-ying Fu  <fu@mips.com>
6550         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
6551         REV 2.
6552         * doc/invoke.texi (-mdspr2): Document new option.
6553         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
6554         New unspec for DSP REV 2.
6555         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
6556         these instructions are extended in DSP REV 2.
6557         (mips-dspr2.md): Include.
6558         * config/mips/mips.opt (mdspr2): New option.
6559         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
6560         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
6561         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
6562         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
6563         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
6564         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
6565         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
6566         and 2 builtins.
6567         (bdesc_map): Add one field of unsupported_target_flags.
6568         (bdesc_arrays):  Update entries to have extra fields.  Add
6569         dsp_32only_bdesc.
6570         (mips_init_builtins): Initialize new function types.
6571         Check unsupported_target_fileds to filter out builtins.
6572         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
6573         TARGET_DSPR2.
6574         (ASM_SPEC): Pass mdspr2 to the assembler.
6575         * config/mips/mips-dspr2.md: New file.
6577 2007-03-09  Sa Liu  <saliu@de.ibm.com>
6579         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
6581 2007-03-09  Ian Lance Taylor  <iant@google.com>
6583         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
6584         argument) like -Wstrict-overflow=2.
6585         * doc/invoke.texi (Warning Options): Update documentation.
6587 2007-03-09  Dirk Mueller  <dmueller@suse.de>
6589         PR c++/17946
6590         * doc/invoke.texi (-Wlogical-op): Document.
6591         * common.opt (-Wlogical-op): New.
6592         * c-common.h (warn_logical_operator): Declare.
6593         * c-common.c (warn_logical_operator): Define.
6594         * c-typeck.c (parser_build_binary_op): Call
6595         warn_logical_operator.
6597 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
6599         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
6600         * final.c (final_scan_insn): Test for non-"" file name.
6602 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
6604         * doc/loop.texi: Document the Omega linear constraints solver.
6605         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
6606         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
6607         omega-hash-table-size, omega-max-keys, and
6608         omega-eliminate-redundant-constraints.
6609         * tree-pass.h (pass_check_data_deps): Declared.
6610         * omega.c: New.
6611         * omega.h: New.
6612         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
6613         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
6614         pass_check_data_deps): New.
6615         * tree-data-ref.c (init_data_ref): Remove declaration.
6616         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
6617         (analyze_array): Renamed init_array_ref, move up initializations.
6618         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
6619         Removed arguments that are set to NULL.
6620         (analyze_indirect_ref): Correct indentation, correct call to
6621         init_pointer_ref.
6622         (object_analysis): Call init_array_ref instead of analyze_array.
6623         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
6624         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
6625         of DR_ACCESS_FNS_ADDR.
6626         (init_omega_eq_with_af, omega_extract_distance_vectors,
6627         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
6628         ddr_consistent_p): New.
6629         (compute_affine_dependence): Check consistency of ddrs when
6630         flag_check_data_deps is passed.
6631         (analyze_all_data_dependences): Uncomment.
6632         (tree_check_data_deps): New.
6633         * tree-data-ref.h: Include omega.h.
6634         (DR_ACCESS_FNS_ADDR): Removed.
6635         (data_dependence_relation): Add inner_loop.
6636         (DDR_INNER_LOOP): New.
6637         * common.opt (fcheck-data-deps): New.
6638         * tree-flow.h (tree_check_data_deps): Declare.
6639         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
6640         (OBJS-common): Depend on omega.o.
6641         (omega.o): Define.
6642         * passes.c (pass_check_data_deps): Scheduled.
6643         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
6644         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
6645         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
6646         PARAM_VECT_MAX_VERSION_CHECKS,
6647         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
6649 2007-03-09  Richard Guenther  <rguenther@suse.de>
6651         PR tree-optimization/30904
6652         PR middle-end/31058
6653         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
6654         the same way as *_DIV_EXPR.
6656 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
6658         * recog.c (decode_asm_operands): No mixed declarations and code.
6660 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
6662         * rtl.def (ASM_INPUT): Add location.
6663         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
6664         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
6665         (decode_asm_operands): Add loc operand.
6666         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
6667         * stmt.c (expand_asm): Rename to...
6668         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
6669         gen_rtx_ASM_INPUT_loc.
6670         (expand_asm_expr): Adjust.
6671         * recog.c (decode_asm_operands): Add loc operand.
6672         (check_asm_operands, extract_insn): Adjust.
6673         * reload1.c (maybe_fix_stack_asms): Likewise.
6674         * final.c (asm_insn_count): Likewise.
6675         (final_scan_insn): Output # line before and after asm.
6677 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
6679         * tree-ssa-structalias.c (variable_info): Remove
6680         finished_solution.
6681         (new_var_info): Ditto.
6682         (shared_bitmap_info_t): New structure.
6683         (shared_bitmap_table): New variable.
6684         (shared_bitmap_hash): New function.
6685         (shared_bitmap_eq): Ditto
6686         (shared_bitmap_lookup): Ditto.
6687         (shared_bitmap_add): Ditto.
6688         (merge_smts_into): Change to take bitmap directly.
6689         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
6690         (init_alias_vars): Init shared bitmap hashtable.
6691         (delete_points_to_sets): Delete shared bitmap hashtable.
6692         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
6693         is_aliased removal as a change that was still necessary was
6694         deleted.
6696 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
6698         * config/i386/i386.h (override_options): Conditionally disable
6699         x86_sahf for 64bit targets only.
6701 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6703         PR C/31072
6704         * c-decl.c (merge_decls): Don't call make_var_volatile.
6705         * varasm.c (make_var_volatile): Remove.
6706         * output.h (make_var_volatile): Remove.
6708 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
6710         PR tree-optimization/31085
6711         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
6713 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6715         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
6716         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
6717         ATTR_CONST_NOTHROW_LIST.
6719         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6720         FIX_TRUNC_EXPR.
6722 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
6724         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
6726 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
6728         PR 31013
6729         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
6730         is declared.
6731         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
6732         passed, use shared libgcc.
6734 2007-03-08  Roger Sayle  <roger@eyesopen.com>
6736         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
6737         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6738         (honor_protect_cleanup_actions, lower_try_finally_switch):
6739         Likewise.
6740         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
6741         ifc_temp_var): Likewise.
6742         * tree-inline.c (setup_one_parameter): Likewise.
6743         * tree-mudflap.c (mf_decl_cache_locals,
6744         mf_build_check_statement_for): Likewise.
6745         * tree-nested.c (init_tmp_var, save_tmp_var,
6746         finalize_nesting_tree_1): Likewise.
6747         * tree-outof-ssa.c (insert_copy_on_edge,
6748         insert_backedge_copies): Likewise.
6749         * tree-profile.c (tree_gen_edge_profiler,
6750         tree_gen_ic_profiler): Likewise.
6751         * tree-scalar-evolution.c (scev_const_prop): Likewise.
6752         * tree-sra.c (sra_build_assignment): Likewise.
6753         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
6754         * tree-ssa-math-opts.c (insert_reciprocals,
6755         execute_cse_sincos_1): Likewise.
6756         * tree-tailcall.c (adjust_accumulator_values,
6757         adjust_return_value): Likewise.
6758         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
6759         * tree-vect-transform.c (vect_create_data_ref_ptr,
6760         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
6761         vect_create_epilog_for_reduction, vectorizable_reduction,
6762         vectorizable_call, vectorizable_conversion,
6763         vectorizable_assignment, vectorizable_operation,
6764         vectorizable_type_demotion, vect_gen_widened_results_half,
6765         vect_permute_store_chain, vectorizable_store,
6766         vect_setup_realignment, vect_permute_load_chain,
6767         vectorizable_load, vectorizable_condition,
6768         vect_create_cond_for_align_checks): Likewise.
6769         * tree-vrp.c (build_assert_expr_for): Likewise.
6771 2007-03-08  Ian Lance Taylor  <iant@google.com>
6773         * tree-vrp.c: Include "intl.h".
6774         (usable_range_p): New static function.
6775         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
6776         overflowed values, juts set *strict_overflow_p.
6777         (compare_values): Only return -2 if one of the operands is not a
6778         constant.
6779         (compare_ranges): Call usable_range_p.
6780         (compare_range_with_value): Likewise.
6781         (vrp_evaluate_conditional_warnv): Rename from
6782         vrp_evaluate_conditional.  Make static.  Change all callers.
6783         (vrp_evaluate_conditional): New function.
6784         (simplify_div_or_mod_using_ranges): Issue warning about reliance
6785         on signed overflow.
6786         (simplify_abs_using_ranges): Likewise.
6787         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
6788         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
6789         within_stmt parameter.
6790         * tree-ssa-propagate.c (fold_predicate_in): Update call to
6791         vrp_evaluate_conditional.
6792         * tree-ssa-threadedge.c
6793         (record_temporary_equivalences_from_stmts_at_dest): Change
6794         simplify parameter to take a second tree parameter.
6795         (simplify_control_stmt_condition): Likewise.
6796         (thread_across_edge): Likewise.
6797         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
6798         (thread_across_edge): Likewise.
6799         * Makefile.in (tree-vrp.o): Depend upon intl.h.
6801 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
6803         * config/i386/i386.h (TARGET_SAHF): New define.
6804         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
6805         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
6806         (x86_sahf): New global variable.
6807         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
6808         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
6809         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
6810         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
6811         for 64-bit.
6812         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
6813         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
6814         when expanding fcomi/sahf based tests.
6815         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
6816         expanding sahf based alternative. Emit sahf based sequence when
6817         optimizing for code size.
6818         * config/i386/i386.md (x86_sahf_1): Do not disable for
6819         TARGET_64BIT, enable for TARGET_SAHF.
6821 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
6823         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
6824         spurious whitespace from error message.
6826 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
6828         PR c++/30852
6829         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
6831 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
6833         * c-decl.c (grokdeclarator): Disable warnings for anonymous
6834         bitfields.
6835         * tree-sra.c (instantiate_element): Propagate disabled warnings
6836         from the element itself to the created variable.
6838 2007-03-07  Richard Henderson  <rth@redhat.com>
6840         PR target/30848
6841         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
6842         silently fix up the stack in the case of a missing register.
6844 2007-03-07  Paul Brook  <paul@codesourcery.com>
6846         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
6848 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
6850         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
6851         New.
6852         (phase1_vrs): Use them.
6853         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
6854         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
6855         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
6856         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
6857         __gnu_Unwind_Restore_WMMXC if required.
6858         (_Unwind_VRS_Pop): Implement iWMMXt support.
6859         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
6860         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
6861         gnu_Unwind_Save_WMMXC): Define.
6863 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
6865         * config/vxworks.h (vxworks_override_options): Declare.
6866         (VXWORKS_OVERRIDE_OPTIONS): Use it.
6867         * config/vxworks.c: Include target.h and toplev.h.
6868         (vxworks_override_options): New function.
6869         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
6871 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6873         * config/s390/s390.c (override_options): Don't emit an error when
6874         -mstack-size is used without providing -mstack-guard.
6875         (s390_emit_prologue): Choose stack_guard value automatically if not
6876         provided via command line.
6877         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
6879 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
6881         * config/i386/i386.c (output_set_got): Add a GOT initialization
6882         sequence for VxWorks PIC.
6883         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
6884         around labels as well as symbols.  Use gotoff_operand instead
6885         of local_symbolic_operand.
6886         (legitimize_pic_address): Use gotoff_operand instead of
6887         local_symbolic_operand.  Use @GOT accesses for labels as
6888         well as symbols.
6889         (ix86_output_addr_diff_elt): Use PC-relative rather than
6890         GP-relative offsets for VxWorks PIC.
6891         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
6892         no_new_pseudos.  Check whether the returned register is op0.
6893         * config/i386/i386.md (tablejump): Use PC-relative rather than
6894         GP-relative offsets for VxWorks PIC.
6895         * config/i386/predicates.md (gotoff_operand): New predicate.
6897 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
6899         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
6900         before defining.
6901         * config/vxworks-dummy.h: New file.
6902         * config/i386/i386.h: Include it.
6904 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
6906         * dwarf2out.c (is_inlined_entry_point): New
6907         (add_high_low_attributes): Emit DW_AT_entry_pc along with
6908         DW_AT_ranges if the first subblock is the entry point.
6910 2007-03-06  David Daney  <ddaney@avtrex.com>
6912         * doc/install.texi (mips-*-*): Change recommended binutils
6913         version.
6915 2007-03-06  Anatoly Sokolov <aesok@post.ru>
6917         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
6918         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
6919         devices.
6920         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6921         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6923 2007-03-06  Jan Hubicka  <jh@suse.cz>
6925         * errors.h (warning, error, fatal, internal_error): Mark as cold.
6926         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
6927         are hot.
6928         (probably_cold_bb_p): Cold functions are cold.
6929         (probably_never_executed_bb_p): Cold functions are cold.
6930         (tree_bb_level_predictions): Predict calls to cold functions as not
6931         taken.
6932         (compute_function_frequency): Check hot/cold attributes.
6933         * function.h (function_frequency): Update comments.
6934         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
6935         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
6936         (c_common_att): Add cold and hot.
6938         * doc/extend.texi (hot,cold attributes): Document.
6940 2007-03-06  Andrew Haley  <aph@redhat.com>
6942         * function.c (expand_function_end): Move blockage to just after we
6943         emit the label for the naked return from the function.
6945 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
6947         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
6948         before redefining.
6950 2007-03-06  Jan Hubicka  <jh@suse.cz>
6952         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
6953         loaded for constant large models.  Non-large 64bit PIC can do.
6954         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
6955         * cmodel.h: Add LARGE PIC.
6956         * i386.md (UNSPEC_PLTOFF): New.
6957         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
6958         needed.
6959         (*call_1_rex64): Disable for large models.
6960         (*call_1_rex64_large): New.
6961         (*call_value_1_rex64): Disable for large models.
6962         (*call_value_1_rex64_large): New.
6963         (set_rip_rex4): New.
6964         (set_got_offset_rex64): New.
6965         * predicates.md (constant_call_address_operand): For large model
6966         constant calls are not possible.
6967         * i386-protos.h (construct_plt_address): Declare.
6968         * i386.c (override_options): Accept large models.
6969         (ix86_expand_prologue): Expand large PIC GOT pointer load.
6970         (legitimate_constant_p): Add new UNSPECs.
6971         (legitimate_pic_operand_p): Likewise.
6972         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
6973         (legitimize_pic_address): Do easy RIP relative way for TLS only for
6974         non-large model.
6975         (output_pic_addr_const): Add PLTOFF.
6976         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
6977         (ix86_expand_move): Legitimize pic address when in PIC mode.
6978         (construct_plt_address): New function.
6979         (ix86_expand_call): Offload the address to register and use GOT pointer
6980         for large model.
6981         * invoke.texi (mcmodel=large): Update documentation.
6983 2007-03-06  Richard Henderson  <rth@redhat.com>
6985         * config/i386/i386.c (x86_use_leave, x86_push_memory,
6986         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
6987         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
6988         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
6989         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
6990         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
6991         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
6992         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
6993         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
6994         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6995         x86_partial_reg_dependency, x86_memory_mismatch_stall,
6996         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
6997         x86_sse_partial_reg_dependency, x86_sse_split_regs,
6998         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
6999         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
7000         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
7001         x86_schedule, x86_use_bt, x86_pad_returns,
7002         x86_use_xchgb): Merge into ...
7003         (ix86_tune_features): ... here.  New array.
7004         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
7005         x86_bswap): Merge into ...
7006         (ix86_arch_features): ... here.  New array.
7007         (x86_3dnow_a): Remove.
7008         (x86_accumulate_outgoing_args): Make static.
7009         (x86_arch_always_fancy_math_387): Make static.
7010         (ix86_tune_mask, ix86_arch_mask): Move ...
7011         (override_options): ... to local variables here.  Apply the
7012         appropriate mask to each element of ix86_arch_features and
7013         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
7014         as were done in the old macros.
7015         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
7016         * config/i386/i386.h (x86_use_leave, x86_push_memory,
7017         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
7018         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
7019         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
7020         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
7021         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
7022         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
7023         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
7024         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
7025         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
7026         x86_partial_reg_dependency, x86_memory_mismatch_stall,
7027         x86_accumulate_outgoing_args, x86_prologue_using_move,
7028         x86_epilogue_using_move, x86_decompose_lea,
7029         x86_arch_always_fancy_math_387, x86_shift1,
7030         x86_sse_partial_reg_dependency, x86_sse_split_regs,
7031         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
7032         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
7033         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
7034         x86_use_incdec, x86_pad_returns, x86_bswap,
7035         x86_partial_flag_reg_stall): Remove.
7036         (enum ix86_tune_indices): New.
7037         (ix86_tune_features): New.
7038         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
7039         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
7040         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
7041         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
7042         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
7043         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
7044         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
7045         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
7046         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
7047         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
7048         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
7049         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
7050         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
7051         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
7052         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
7053         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
7054         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
7055         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
7056         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
7057         TARGET_EXT_80387_CONSTANTS): Use it.
7058         (enum ix86_arch_indices): New.
7059         (ix86_arch_features): New.
7060         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
7061         TARGET_BSWAP): Use it.
7062         (ix86_tune_mask, ix86_arch_mask): Remove.
7064 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
7066         PR bootstrap/31020
7067         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
7068         Define using $${sysroot_headers_suffix}.
7069         * configure: Regenerate.
7070         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
7071         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
7072         defined.
7073         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
7074         * gcc.c (print_sysroot_headers_suffix): New.
7075         (option_map): Include --print-sysroot-headers-suffix.
7076         (display_help): Mention -print-sysroot-headers-suffix.
7077         (process_command): Handle -print-sysroot-headers-suffix.
7078         (do_spec_1): Append multilib directory to include-fixed path if
7079         sysroot suffixes in use.
7080         (main): Handle -print-sysroot-headers-suffix.
7081         * Makefile.in (start.encap): Don't depend on xlimits.h
7082         (xlimits.h): Remove.
7083         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
7084         limits.h for each multilib in fixinc_list.
7085         (fixinc_list, s-fixinc_list): New.
7086         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
7087         generate them for each multilib in fixinc_list.
7088         (stmp-fixproto): Use include-fixed.  Run fixproto for each
7089         multilib in fixinc_list.
7090         (mostlyclean): Don't remove xlimits.h.
7091         (clean): Remove include-fixed.
7092         (real-install-headers-tar, real-install-headers-cpio,
7093         real-install-headers-cp): Don't copy include, only include-fixed.
7094         (install-mkheaders): Depend on fixinc_list.  Don't depend on
7095         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
7096         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
7097         SYSTEM_HEADER_DIR setting in mkheaders.conf.
7099 2007-03-06  Jan Hubicka  <jh@suse.cz>
7101         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
7102         NANs easilly.
7104 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7106         * configure.ac: Allow tm_file to contain build-directory files.
7107         * configure: Regenerate.
7108         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
7109         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
7110         * config/m68k/print-sysroot-suffix.sh: New file.
7112 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7114         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
7115         of pic_offset_table_rtx if reload_completed.
7116         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
7117         PIC_OFFSET_TABLE_REGNUM.
7118         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
7119         return true.
7120         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
7121         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
7123 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7125         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
7126         functions that call eh_return.
7128 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7130         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
7131         functions that need a constant pool.
7133 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7135         PR target/28181
7136         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
7137         (m68k_preferred_reload_class): Likewise.
7138         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
7139         (SECONDARY_RELOAD_CLASS): Define.
7140         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
7141         (LIMIT_RELOAD_CLASS): Delete.
7142         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
7143         registers from storing bytes.
7144         (m68k_secondary_reload_class): New function.
7145         (m68k_preferred_reload_class): Likewise.
7147 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7149         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
7150         leaf functions.
7151         (m68k_expand_prologue): Likewise.
7153 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7155         * config/m68k/m68k-protos.h (output_sibcall): Declare.
7156         (mips_expand_epilogue): Add a bool parameter.
7157         (m68k_legitimize_sibcall_address): Declare.
7158         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
7159         (m68k_expand_epilogue): Add a parameter to select between sibling
7160         and normal epilogues.  Only generate a return for the latter.
7161         (m68k_ok_for_sibcall_p): New function.
7162         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
7163         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
7164         (sibcall_value, *sibcall_value): Likewise.
7165         (*call, *call_value): Require !SIBLING_CALL_P.
7166         (epilogue): Update call to m68k_expand_epilogue.
7167         (sibcall_epilogue): New pattern.
7168         * config/m68k/predicates.md (const_call_operand): Say that this
7169         predicate applies to sibling calls too.
7170         (sibcall_operand): New predicate.
7172 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7174         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
7175         alternatives as movsi_cf.
7176         (movsf_cf_hard): Add commentary.
7178 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
7179             Richard Sandiford  <richard@codesourcery.com>
7181         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
7182         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
7183         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
7184         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
7185         as being live on exit from an interrupt function.
7186         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
7187         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
7188         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
7189         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
7190         (m68k_interrupt_function_p): Globalize.
7191         (m68k_compute_frame_layout): Remove reverse mask code.
7192         (m68k_emit_movem, m68k_set_frame_related): New functions.
7193         (m68k_output_function_prologue): Delete in favor of...
7194         (m68k_expand_prologue): ...this new function.
7195         (m68k_output_function_epilogue): Delete in favor of...
7196         (m68k_expand_epilogue): ...this new function.
7197         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
7198         functions.
7199         (print_operand): Handle %?.
7200         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
7201         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
7202         (prologue, epilogue): New patterns.
7203         (return): Turn into a define_expand.
7204         (*return): New pattern, derived from old "return" pattern.  Use rte
7205         rather than rts for interrupt functions.  Only use rtd if the pop
7206         count is nonzero.
7207         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
7208         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
7209         (link, *link, unlink, *unlink, load_got): Likewise.
7211 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7213         PR target/23482
7214         PR target/17114
7215         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
7216         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
7217         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
7218         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
7219         and m68k_matches_u_p.
7220         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
7221         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
7222         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
7223         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
7224         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
7225         (REG_STRICT_P): New macro.
7226         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
7227         PCREL_GENERAL_OPERAND_OK.
7228         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
7229         m68k_legitimate_base_reg_p.
7230         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
7231         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
7232         (PIC_CASE_VECTOR_ADDRESS): Update comment.
7233         * config/m68k/m68k.c (m68k_address): New structure.
7234         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
7235         (m68k_decompose_index, m68k_legitimate_constant_address_p)
7236         (m68k_jump_table_ref_p, m68k_decompose_address)
7237         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
7238         (m68k_matches_u_p): New functions.
7239         (print_operand_address): Rewrite to use m68k_decompose_index.
7241 2007-03-05  David Taylor  <dtaylor@emc.com>
7243         * gcc.c: Correct copyright date in --version output.
7245 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7247         * pa.md: In unamed move patterns, disparge copies between general
7248         and floating point registers using '?' modifier.  Don't include 'f'
7249         constraint for register preferences in DImode, SImode, HImode and
7250         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
7251         Remove constraints for copies between general and floating registers
7252         in soft-float DFmode pattern.
7253         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
7254         floating register.
7255         (movsf): Likewise.
7257 2007-03-05  Mike Stump  <mrs@apple.com>
7259         * c-common.c (targetcm): Add.
7260         * c-opts.c (c_common_handle_option): Handle language specific
7261         target options.
7262         * opts.c (handle_option): Verify language for target options, if
7263         any are given.
7264         * opth-gen.awk: Add CL_LANG_ALL.
7265         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
7266         (TARGETCM_INITIALIZER): Add.
7267         * target.h (struct gcc_targetcm): Add.
7268         (targetcm): Add.
7269         * targhooks.c (default_handle_c_option): Add.
7270         * targhooks.h (default_handle_c_option): Add.
7271         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
7273         * config/darwin.opt (iframework): Add.
7274         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
7275         * config/darwin-c.c (handle_c_option): Add.
7276         (TARGET_HANDLE_C_OPTION): Add.
7277         (targetcm): Add.
7278         * doc/invoke.texi (Darwin Options): Add -iframework.
7280 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7282         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
7283         conversion.
7285 2007-03-05  Ian Lance Taylor  <iant@google.com>
7287         * c.opt (fgnu89-inline): New option.
7288         * c-opts.c (c_common_post_options): Set default value for
7289         flag_gnu89_inline.
7290         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
7291         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
7292         inline functions.
7293         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
7294         (grokdeclarator, start_function): Likewise.
7295         * c-cppbuiltin.c (c_cpp_builtins): Define either
7296         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
7297         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
7298         (C Dialect Options): Document -fgnu89-inline.
7299         * doc/extend.texi (Function Attributes): Explain what the
7300         gnu_inline attribute does.
7301         * doc/cpp.texi (Common Predefined Macros): Document
7302         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
7304 2007-03-05  Ian Lance Taylor  <iant@google.com>
7306         PR tree-optimization/31034
7307         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
7308         half-range if the other side is an overflow infinity.
7310 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
7312         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
7313         (bfin*-linux-uclibc*): New configuration.
7314         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
7315         defining.
7316         * config/bfin/linux.h: New file.
7317         * config/bfin/libgcc-bfin.ver: New file.
7318         * config/bfin/t-bfin-uclinux: New file.
7319         * config/bfin/t-bfin-linux: New file.
7320         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
7321         (TARGET_OS_CPP_BUILTINS): New macro.
7323 2007-03-05  Richard Guenther  <rguenther@suse.de>
7325         * fold-const.c (fold_binary): Remove duplicate folding
7326         of comparison of non-null ADDR_EXPR against null.
7328 2007-03-05  Richard Guenther  <rguenther@suse.de>
7329             Dorit Nuzman  <dorit@il.ibm.com>
7331         PR tree-optimization/26420
7332         * tree-vectorizer.c (vectorize_loops): Bail out early if there
7333         are no loops in the function.  Only print the number of
7334         vectorized loops if it is greater than zero or we are supposed
7335         to print information about unvectorized loops.
7337 2007-03-05  Revital Eres  <eres@il.ibm.com>
7339         * gcc.dg/var-expand1.c: New test.
7340         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
7341         when an accumulator is expanded.
7343 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7345         PR other/30465
7346         * c-common.c (convert_and_check): Don't give warnings for
7347         conversion if 'expr' already overflowed.
7349 2007-03-04  Roger Sayle  <roger@eyesopen.com>
7351         PR middle-end/30744
7352         * fold-const.c (fold_comparison): Enforce type consistency when
7353         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
7355 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
7357         * tree-ssa-address.c (create_mem_ref): Do not put an expression
7358         containing a cast to the base of TARGET_MEM_REF.
7360 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
7362         * tree.c (tree_contains_struct_check_failed): Remove spurious
7363         whitespace from error message.
7365 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
7367         PR target/30406
7368         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
7369         instead of precision.
7371 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
7372             Nathan Sidwell  <nathan@codesourcery.com>
7374         * emit-rtl.c (find_auto_inc): New.
7375         (try_split): recreate REG_INC notes,
7376         Use regular for loops rather than whiles.
7378 2007-03-03  Andreas Schwab  <schwab@suse.de>
7380         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
7381         * configure: Regenerate.
7383 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7385         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
7386         flag_rounding_math, not flag_unsafe_math_optimizations.
7388         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
7389         fold_build2.
7390         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
7391         alpha_fold_vector_minmax): Likewise.
7392         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
7393         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
7395 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
7397         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
7398         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
7399         if the lhs has side-effects.
7400         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
7402 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
7404         * config/i386/i386.h (TUNEMASK): Remove define.
7405         (ARCHMASK): Remove define.
7406         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
7407          Use ix86_arch_mask variable instead of ARCHMASK.
7408         * config/i386/i386.c (override_options): Ditto.
7409         (standard_80387_constant_p): Ditto.
7411 2007-03-02  Ian Lance Taylor  <iant@google.com>
7413         Used signed infinities in VRP.
7414         * tree-vrp.c (uses_overflow_infinity): New static function.
7415         (supports_overflow_infinity): New static function.
7416         (make_overflow_infinity): New static function.
7417         (negative_overflow_infinity): New static function.
7418         (positive_overflow_infinity): New static function.
7419         (is_negative_overflow_infinity): New static function.
7420         (is_positive_overflow_infinity): New static function.
7421         (is_overflow_infinity): New static function.
7422         (overflow_infinity_range_p): New static function.
7423         (compare_values_warnv): New function split out of compare_values.
7424         (compare_value): Call it.
7425         (set_value_range_to_nonnegative): Add overflow_infinity
7426         parameter.  Change caller.
7427         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
7428         Change callers.
7429         (vrp_expr_computes_nonzero): Likewise.
7430         (compare_ranges, compare_range_with_value): Likewise.
7431         (compare_name_with_value, compare_names): Likewise.
7432         (vrp_evaluate_conditional): Likewise.
7433         (set_value_range): Handle infinity
7434         (vrp_operand_equal_p, operand_less_p): Likewise.
7435         (extract_range_from_assert): Likewise.
7436         (vrp_int_const_binop): Likewise.
7437         (extract_range_from_binary_expr): Likewise.
7438         (extract_range_from_unary_expr): Likewise.
7439         (extract_range_from_comparison): Likewise.
7440         (extract_range_from_expr): Likewise.
7441         (dump_value_range): Likewise.
7442         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
7443         (test_for_singularity): Likewise.
7444         (vrp_int_const_binop): Remove inline qualifier.
7445         (adjust_range_with_scev): Add comment.
7446         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
7448 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
7450         * tree-ssa-structalias.c (could_have_pointers): Tidy.
7451         (get_constraint_for): Likewise.
7452         (do_structure_copy): Likewise.
7453         (find_func_aliases): Fix references to MODIFY_EXPR.
7454         (intra_create_variable_infos): Tidy.
7455         * tree-ssa-operands.c (add_virtual_operand): Add argument
7456         IS_CALL_SITE.
7457         When adding members of alias sets, if IS_CALL_SITE is true and
7458         the symbol is not call-clobbered, skip it.
7459         Adjust all callers.
7461 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
7463         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
7464         entry by means of emit_insn_at_entry.
7466 2007-03-02  Richard Henderson  <rth@redhat.com>
7468         * expr.h (promoted_input_arg): Remove decl.
7469         * function.c (promoted_input_arg): Merge into ...
7470         * combine.c (setup_incoming_promotions): ... only caller.
7471         Rearrange to avoid double loop.
7473 2007-03-02  Ben Elliston  <bje@au.ibm.com>
7474             Peter Bergner  <bergner@vnet.ibm.com>
7475             Janis Johnson  <janis187@us.ibm.com>
7477         * config/rs6000/dfp.md: New file.
7478         * config/rs6000/rs6000.md: Include dfp.md.
7479         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
7480         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
7481         and TDmode decimal float modes in FP registers.
7482         (num_insns_constant): Likewise.
7483         (rs6000_legitimate_offset_address_p): Likewise.
7484         (rs6000_legitimize_address): Likewise.
7485         (rs6000_legitimize_reload_address): Likewise.
7486         (rs6000_legitimate_address): Likewise.
7487         (rs6000_emit_move): Likewise.
7488         (function_arg_boundary): Likewise.
7489         (function_arg_advance): Likewise.
7490         (rs6000_darwin64_record_arg_recurse): Likewise.
7491         (function_arg): Likewise.
7492         (rs6000_gimplify_va_arg): Likewise.
7493         (rs6000_split_multireg_move): Likewise.
7494         (rs6000_output_function_epilogue): Likewise.
7495         (rs6000_output_function_epilogue): Likewise.
7496         (rs6000_register_move_cost): Likewise.
7497         (rs6000_function_value): Likewise.
7498         (rs6000_libcall_value): Likewise.
7500 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
7502         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
7504 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
7506         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
7507         Use $MULTIDIR to choose between the kernel and RTP headers,
7508         and use $WIND_BASE and $WIND_USR to locate them.
7510 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
7512         * config/i386/i386.c (override_options): Put initialization of
7513         ix86_tune_mask and ix86_arch_mask to the correct place.
7515 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
7516             Michael Meissner  <michael.meissner@amd.com>
7518         PR target/31019
7519         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
7520         (ARCHMASK): Define.
7521         (TARGET_CMOVE): Use ARCHMASK.
7522         (TARGET_CMPXCHG): Ditto.
7523         (TARGET_CMPXCHG8B): Ditto.
7524         (TARGET_XADD): Ditto.
7525         (TARGET_BSWAP): Ditto.
7526         * config/i386/i386.c (ix86_tune_mask): New global variable.
7527         (ix86_arch_mask): Ditto.
7528         (override_options): Initialize ix86_tune_mask and
7529         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
7530         target_flags.
7532 2007-03-02  Ben Elliston  <bje@au.ibm.com>
7534         PR 30992
7535         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
7537 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
7539         * target.h (init_dwarf_reg_sizes_extra): New target hook.
7540         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
7541         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
7542         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
7543         hook.
7544         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
7545         rs6000_init_dwarf_reg_sizes_extra): New.
7546         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
7547         SPE register high parts.
7549 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
7551         * Makefile.in: Add install-pdf target as
7552         copied from automake v1.10 rules.
7553         * configure.ac: Add install-pdf to target list.
7554         * configure: Regenerate.
7556 2007-03-01  Paul Brook  <paul@codesourcery.com>
7558         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
7559         modes to LDRD for DImode.
7560         (output_move_double): Fixup out of range ldrd/strd.
7561         (vfp_secondary_reload_class): Rename...
7562         (coproc_secondary_reload_class): ... to this.  Add wb argument.
7563         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
7564         coproc_secondary_reload_class for CLASS_IWMMXT.
7565         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
7566         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
7568 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
7570         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
7571         factor by the estimated number of iterations.
7572         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
7573         prefetch latency.
7575         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
7576         decode_caches_intel, detect_caches_intel): New functions.
7577         (host_detect_local_cpu): Use detect_caches_amd and
7578         detect_caches_intel.
7580 2007-03-01  Richard Henderson  <rth@redhat.com>
7582         * expr.c (emit_move_complex_push): Export.
7583         (emit_move_complex_parts): Split out from ...
7584         (emit_move_complex): ... here.
7585         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
7586         * config/i386/i386.md (movcdi): New.
7588 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
7590         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
7591         size of mode1 to check for tieable modes in MMX case.
7593 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
7595         * Makefile.in (rtlanal.o): Depend on tree.h.
7596         * rtl.h (offset_within_section_p, split_const): Declare.
7597         * rtlanal.c: Include tree.h.
7598         (offset_within_block_p): New function, taken from
7599         mips_offset_within_object_p.
7600         (split_const): New function, taken from mips_split_const.
7601         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
7602         Declare.
7603         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
7604         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
7605         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
7606         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
7607         (m68k_illegitimate_symbolic_constant_p): New function.
7608         * config/m68k/m68k.md (movsi): Remove misleading predicates.
7609         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
7610         symbolic constant that might be outside the symbol's section,
7611         move the symbol first and then add the offset.
7612         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
7613         Override.
7614         * config/mips/mips.c (mips_split_const): Delete.
7615         (mips_offset_within_object_p): Delete.
7616         (mips_symbolic_constant_p): Use offset_within_section_p and
7617         split_const instead of mips_offset_within_object_p and
7618         mips_split_const.
7619         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
7620         (mips_legitimize_const_move, print_operand_reloc)
7621         (mips_dangerous_for_la25_p): Use split_const instead of
7622         mips_split_const.
7624 2007-02-28  Eric Christopher  <echristo@apple.com>
7626         * Makefile.in (install-include-dir): Don't rm -rf include.
7628 2007-02-28  Richard Guenther  <rguenther@suse.de>
7630         PR middle-end/30364
7631         * fold-const.c (fold_binary): Do not associate expressions
7632         with more than one variable for integer types that do not wrap.
7634 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
7636         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
7637         Delete, and replace with...
7638         (fold_builtin_call_array): This.  Update callers to use it.
7639         * fold-const.c (fold_build_call_list): Delete, and replace with...
7640         (fold_build_call_array): This.
7641         (fold_build_call_list_initializer): Delete, and replace with...
7642         (fold_build_call_array_initializer): This.
7643         * tree.h: Update declarations to reflect above changes.
7645         * c-typeck.c (build_function_call): Store converted arguments
7646         in a stack-allocated array instead of building a list.
7647         (convert_arguments): Store arguments in the array passed in as an
7648         argument, and return the actual number of arguments.
7649         * c-format.c: (check_function_format): Pass arguments in an
7650         array instead of a list.
7651         * c-common.c (check_function_nonnull): Likewise.
7652         (check_function_sentinel): Likewise.
7653         (check_function_arguments): Likewise.
7654         * c-common.h: Update declarations to reflect above changes.
7656 2007-02-28  Jan Hubicka  <jh@suse.cz>
7658         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
7659         PRED_NEGATIVE_RETURN): Update outcomes.
7661 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
7663         * calls.c (emit_library_call_value_1): Handle partial registers
7664         correctly when building up CALL_INSN_FUNCTION_USAGE.
7666 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7668         * pa/predicates.md (move_src_operand): Allow zero for mode.
7669         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
7670         move pattern.
7672 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
7674         PR target/30970
7675         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
7676         *movv2df_internal): Enable pattern only for valid operand
7677         combinations.
7678         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
7679         tie only 128bit modes. For MMX registers, tie only 64bit modes.
7681 2007-02-27  Mike Stump  <mrs@apple.com>
7683         * config/darwin-crt3.c: Avoid compilation when compiling for a
7684         kext multilib.
7686 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
7688         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
7689         FIXED_INCLUDE_DIR.
7690         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
7691         for fixed headers and limits.h.
7692         (install-include-dir, install-headers-tar, install-headers-cpio,
7693         install-headers-cp, real-install-headers-tar,
7694         real-install-headers-cpio, real-install-headers-cp): Handle
7695         include-fixed as well as include.
7696         (install-mkheaders): Don't install files that go only in include
7697         not include-fixed.
7698         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
7699         from GCC_INCLUDE_DIR.
7700         * gcc.c (process_command): Remove special -BstageN/ handling.
7701         (do_spec_1): Add include-fixed directories.
7703 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
7705         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
7706         _smulsi3_highpart.
7707         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
7708         New functions.
7709         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
7710         patterns.
7712 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
7714         * c-common.c (get_priority): Add check for
7715         SUPPORTS_INIT_PRIORITY.
7717 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
7719         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
7721         * config/bfin/bfin.c: Include "cfglayout.h".
7722         (MAX_LSETUP_DISTANCE): New macro.
7723         (struct loop_info): New members incoming, incoming_src and
7724         incoming_dest.  Delete member predecessor.
7725         (length_for_loop): New function.
7726         (bfin_optimize_loop): Handle more different loop structures.
7727         (bfin_discover_loop): Rework detection of predecessor blocks by
7728         examining incoming edges.
7729         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
7730         bfin_reorg_loops.
7731         (bfin_reorder_loops): New function.
7732         (bfin_reorg_loops): Use these three new functions.
7734         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
7735         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
7736         (CONSTRAINT_LEN): Add entry for 'q'.
7737         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
7738         Add 'q' constraints.
7739         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
7740         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
7742         * config/bfin/bfin.md (add_with_carry): New pattern.
7743         (s_or_u, su_optab, su_modifier): New code macros/attrs.
7744         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
7745         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
7746         support unsigned multiplies too.  Removed incorrect commutativity from
7747         operand 1 constraint where appropriate.
7748         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
7749         patterns.
7750         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
7751         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
7752         New patterns.
7753         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
7754         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
7755         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
7756         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
7757         usmulhisi_hh_huh): New patterns.
7759         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
7760         lshifthi3): Fix output template to use half reg for operand 2.
7762         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
7763         instead of R2.
7765         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
7767 2007-02-27  Andreas Schwab  <schwab@suse.de>
7769         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
7771 2007-02-27  Jan Hubicka  <jh@suse.cz>
7773         * predict.c (last_basic_block_p): Remove.
7774         (tree_estimate_probability): Update return heuristic for commonized
7775         return blocks.
7777 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
7779         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
7781 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
7783         * doc/include/gcc-common.texi (versionsubtitle): New macro.
7784         * doc/cpp.texi: Standardize title page.
7785         * doc/cppinternals.texi: Likewise.
7786         * doc/gcc.texi: Standardize title page, remove version number
7787         from copyright page.
7788         * doc/gccint.texi: Likewise.
7789         * doc/install.texi: Standardize title page, add table of
7790         contents.
7792 2007-02-26  Jan Hubicka  <jh@suse.cz>
7794         * predict.def: Set outcomes according to more recent results.
7795         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
7796         Remove dead predictors.
7797         * predict.c (return_prediction): Fix pasto.
7799 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
7801         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
7802         change; avoid a memory leak when returning early.
7804 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
7806         * c-decl.c (static_ctors): Move to c-common.c.
7807         (static_dtors): Likewise.
7808         (finish_function): Use c_record_cdtor_fn.
7809         (build_cdtor): Move to c-common.c.
7810         (c_write_global_declarations): Use c_build_cdtor_fns.
7811         * c-common.h (static_ctors): Declare.
7812         (static_dtors): Likewise.
7813         (c_record_cdtor_fn): Likewise.
7814         (c_build_cdtor_fns): Likewise.
7815         * c-common.c (static_ctors): New variable.
7816         (static_dtors): Likewise.
7817         (c_record_cdtor_fn): New function.
7818         (build_cdtor): Move from c-decl.c
7819         (c_build_cdtor_fns): New function.
7821         * output.h (assemble_addr_to_section): Declare.
7822         (get_cdtor_priority_section): Likewise.
7823         * varasm.c (assemble_addr_to_section): New function.
7824         (get_cdtor_priority_section): Likewise.
7825         (default_named_section_asm_out_destructor): Use them.
7826         (destor_dtor_section_asm_out_destructor): Likewise.
7827         (default_named_section_asm_out_constructor): Likewise.
7828         (default_ctor_section_asm_out_constructor): Likewise.
7829         * config.gcc (*-*-vxworks*): Include vxworks.o.
7830         * config/t-vxworks (vxworks.o): New target.
7831         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
7832         (TARGET_ASM_CONSTRUCTOR): Define.
7833         (TARGET_ASM_DESTRUCTOR): Likewise.
7834         (vxworks_asm_out_constructor): Declare.
7835         (vxworks_asm_out_destructor): Likewise.
7837         * c-common.c (get_priority): Check that we have not just an
7838         INTEGER_CST, but an integer constant with integeral type.
7840 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
7842         PR tree-optimization/30938
7843         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
7844         use &dt[nargs-1] instead of &dt[nargs] in the call to
7845         vect_is_simple_use().
7847 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
7849         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
7850         from register elimination as PRE_MODIFY / POST_MODIFY increments.
7851         Do not attempt to handle MEM inside auto-inc expressions.
7852         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
7853         of a register modified by an auto-inc expression.  However, do handle
7854         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
7855         (elimination_effects): Prohibit elimination of a register modified
7856         by an auto-inc expression.  Disable register elimination rules whose
7857         target register is modified by an auto-inc expression with variable
7858         increment.
7860 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
7862         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
7863         off-by-one error.
7864         (array_at_struct_end_p): New function.
7865         (idx_infer_loop_bounds): Use it.
7866         (estimate_numbers_of_iterations_loop): Export.
7867         * predict.c (predict_loops): Use estimated_loop_iterations_int.
7868         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
7869         (tree_estimate_probability): Call record_loop_exits.
7870         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
7871         (estimated_loop_iterations, estimated_loop_iterations_int,
7872         estimated_loop_iterations_tree): New functions.
7873         (analyze_siv_subscript_cst_affine,
7874         compute_overlap_steps_for_affine_1_2,
7875         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
7876         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
7877         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
7878         (PRED_LOOP_ITERATIONS_GUESSED): New.
7879         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
7880         * cfgloop.h (estimate_numbers_of_iterations_loop,
7881         estimated_loop_iterations_int): Declare.
7883 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
7885         * doc/extend.texi: Document optional priority argument to
7886         constructors and destructors.
7887         * tree.c (init_priority_for_decl): Adjust GTY markers.
7888         (init_ttree): Use priority-info hash functions for
7889         init_priority_for_decl.
7890         (tree_map_eq): Rename to ...
7891         (tree_map_base_eq): ... this.
7892         (tree_map_marked_p): Rename to ...
7893         (tree_map_base_marked_p): ... this.
7894         (tree_map_base_hash): New function.
7895         (decl_init_priority_lookup): Rework.
7896         (decl_fini_priority_lookup): New function.
7897         (decl_priority_info): New function.
7898         (decl_init_priority_insert): Use it.
7899         (decl_fini_priority_insert): Likewise.
7900         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
7901         hierarchy.
7902         (decl_restrict_base_insert): Likewise.
7903         (decl_debug_expr_insert): Likewise.
7904         (decl_value_expr_lookup): Likewise.
7905         (decl_value_expr_insert): Likewise.
7906         * tree.h (priority_type): New type.
7907         (decl_init_priority_lookup): Use priority_type.
7908         (decl_fini_priority_lookup): New function.
7909         (decl_init_priority_insert): Use priority_type.
7910         (decl_fini_priority_insert): New function.
7911         (DECL_HAS_INIT_PRIORITY): Tweak comments.
7912         (DECL_INIT_PRIORITY): Likewise.
7913         (SET_DECL_INIT_PRIORITY): Add comment.
7914         (DECL_FINI_PRIORITY): New macro.
7915         (SET_DECL_FINI_PRIORITY): Likewise.
7916         (DEFAULT_INIT_PRIORITY): Document.
7917         (MAX_INIT_PRIORITY): Likewise.
7918         (MAX_RESERVED_INIT_PRIORITY): Likewise.
7919         (tree_map_base): New type.
7920         (tree_map_base_eq): New function.
7921         (tree_map_base_hash): Likewise.
7922         (tree_map_base_marked_p): Likewise.
7923         (tree_map): Inherit from tree_map_base.
7924         (tree_map_eq): Make it a macro.
7925         (tree_map_marked_p): Likewise.
7926         (tree_int_map): Inherit from tree_map_base.
7927         (tree_int_map_eq): Make it a macro.
7928         (tree_int_map_hash): Likewise.
7929         (tree_int_map_marked_p): Likewise.
7930         (tree_priority_map): New type.
7931         (tree_priority_map_eq): New macro.
7932         (tree_priority_map_hash): Likewise.
7933         (tree_priority_map_marked_p): Likewise.
7934         * varasm.c (emults_decl): Adjust for refactoring of tree_map
7935         hierarchy.
7936         (emutls_common_1): Likewise.
7937         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
7938         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
7939         of tree_map hierarchy.
7940         * tree-cfg.c (move_stmt_r): Likewise.
7941         (new_label_mapper): Likewise.
7942         * c-tree.h (c_expand_body): Move to ...
7943         * c-common.h (c_expand_body): ... here.
7944         * c-decl.c (c_expand_body): Move to ...
7945         * c-common.c (c_expand_body): ... here.
7946         (c_common_attribute_table): Allow 1 argument for the constructor
7947         and destructor attributes.
7948         (get_priority): New function.
7949         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
7950         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
7952 2007-02-24  Jan Hubicka  <jh@suse.cz>
7954         PR middle-end/30509
7955         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
7957 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
7958             Jan Hubicka  <jh@suse.cz>
7960         PR target/30778
7961         * i386.c (counter_mode): New function.
7962         (expand_set_or_movmem_via_loop): Use it.
7963         (expand_movmem_epilogue): Likewise; fix pasto.
7964         (ix86_expand_movmem): Do emit guard even for constant counts.
7965         (ix86_expand_setmem): Likewise.
7967 2007-02-25  Nick Clifton  <nickc@redhat.com>
7969         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
7970         (JUMP_TABLES_IN_TEXT_SECTION): Define.
7972 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
7974         PR target/30770
7975         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
7976         count argument with 0x10, not with 0x16.
7977         (expand_setmem_epilogue): Ditto.
7979 2007-02-24  Mike Stump  <mrs@apple.com>
7981         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
7982         symbols.
7984 2007-02-24  Richard Guenther  <rguenther@suse.de>
7986         PR middle-end/30951
7987         * fold-const.c (fold_binary): Fold x +- CST op x for
7988         EQ_EXPR and NE_EXPR.
7990 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7992         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
7994 2007-02-24  Jan Hubicka  <jh@suse.cz>
7996         * cgraphunit.c (decide_is_function_needed): Honor
7997         -fkeep-inline-functions.
7999 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8001         * builtins.c (fold_builtin_modf): New.
8002         (fold_builtin_2): Use it.
8004 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
8006         * loop-iv.c (implies_p): Detect additional cases where A implies B.
8007         (determine_max_iter): Take additional LOOP arg; all callers changed.
8008         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
8009         one using simplifications.
8010         (simplify_using_initial_values): Return if the expression becomes
8011         invalid due to altered regs.
8013 2007-02-23  DJ Delorie  <dj@redhat.com>
8015         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
8017 2007-02-23  Mike Stump  <mrs@apple.com>
8019         * tlink.c (scan_linker_output): Parse linker messages from
8020         darwin9's linker better.
8022 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
8024         PR debug/29614
8025         * varpool.c (varpool_assemble_pending_decls):  Set
8026         varpool_last_needed_node to null.
8028 2007-02-23  DJ Delorie  <dj@redhat.com>
8030         * config/i386/i386.c (ix86_data_alignment): Don't specify an
8031         alignment bigger than the object file can handle.
8033 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
8035         PR target/30825
8036         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
8037         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
8038         (*movsf_1): Penalize MMX moves.
8040 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
8042         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
8043         2^32-1 or more times unless flag_unsafe_loop_optimizations.
8045         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
8047 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8049         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
8050         (fold_builtin_1): Use them.
8051         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
8052         BUILT_IN_SIGNIFICAND.
8054 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
8056         * config/i386/i386.c (bdesc_1arg): Initialize
8057         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
8058         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
8059         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
8060         and IX86_BUILTIN_MOVSLDUP.
8062 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
8064         PR rtl-optimization/30841
8065         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
8067 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8069         * builtins.c (fold_builtin_frexp): New.
8070         (fold_builtin_2): Use it.
8072 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
8074         * doc/invoke.texi (Spec Files): Document getenv spec function.
8076         * gcc.c (getenv_spec_function): New function.
8077         (static_spec_functions): Add it.
8078         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
8079         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
8080         header files.
8082 2007-02-22  Michael Matz  <matz@suse.de
8084         PR c++/29433
8085         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
8086         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
8088 2007-02-22  Ian Lance Taylor  <iant@google.com>
8090         PR debug/30898
8091         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
8092         (mem_loc_descriptor): Call it.
8094 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
8095             Ira Rosen  <irar@il.ibm.com>
8097         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
8099 2007-02-22  Ira Rosen  <irar@il.ibm.com>
8101         PR tree-optimization/30843
8102         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
8103         stores only after all the group is vectorized.
8105 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
8107         PR tree-optimization/30858
8108         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
8109         in the reduction cycle have a single use in the loop.
8110         * tree-vectorizer.h (relevant): Add documentation.
8112 2007-02-20  Mike Stump  <mrs@apple.com>
8114         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
8115         * configure: Regenerate.
8117 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
8119         Change the defaults of some parameters and options.
8120         * config/spu/spu-protos.h (spu_optimization_options): Declare.
8121         * config/spu/spu.c (spu_optimization_options): Add.
8122         (spu_override_options): Change params in spu_optimization_options.
8123         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
8125         Register 127 is only 16 byte aligned when used as a frame pointer.
8126         * config/spu/spu-protos.h (spu_init_expanders): Declare.
8127         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
8128         HARD_FRAME_POINTER_REGNUM.
8129         (spu_legitimate_address):  Use regno_aligned_for_reload.
8130         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
8131         aligned when frame_pointer_needed is true.
8132         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
8133         to 8 bits.
8134         * config/spu/spu.h (INIT_EXPANDERS): Define.
8136         Make sure shift and rotate instructions have valid immediate operands.
8137         * config/spu/predicates.md (spu_shift_operand): Remove.
8138         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
8139         * config/spu/constraints.md (W, O): Extend range.
8140         * config/spu/spu.md (umask, nmask): Define.
8141         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
8142         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
8143         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
8144         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
8145         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
8146         (lshr<mode>3_reg):  Fix rtl description.
8148         Make sure mulhisi immediate operands are valid.
8149         * config/spu/predicates.md (imm_K_operand): Add.
8150         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
8152         Generate constants using fsmbi and andi.
8153         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
8154         (print_operand, spu_split_immediate, classify_immediate,
8155         fsmbi_const_p): Handle IC_FSMBI2.
8157         Correctly handle a CONST_VECTOR containing symbols.
8158         * config/spu/spu.c (print_operand): Handle HIGH correctly.
8159         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
8160         (immediate_load_p): Allow symbols that use 2 instructions to create.
8161         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
8162         with symbols when flag_pic is set.
8163         (const_vector_immediate_p): New.
8164         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
8165         accept a CONST_VECTOR with symbols.
8166         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
8167         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
8168         correctly.
8169         * config/spu/spu.md (high, low): Delete.
8170         (low_<mode>): Define.
8172         Remove INTRmode and INTR_REGNUM, which didn't work.
8173         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
8174         of INTR_REGNUM.
8175         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
8176         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
8177         peephole2 pattern): Don't use INTR or 131.
8178         (movintrcc): Delete.
8179         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
8180         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
8181         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
8182         (UNSPEC_SET_INTR): Add.
8183         * config/spu/spu-modes.def (INTR): Remove.
8185         More accurate warnings about run-time relocations.
8186         * config/spu/spu.c (reloc_diagnostic): Test in_section.
8188         Correctly warn about immediate arguments to specific intrinsics.
8189         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
8190         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
8191         the instruction predicate.
8193         Fix tree check errors with latest update.
8194         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
8195         CALL_EXPR_ARG.
8196         (spu_expand_builtin): Use CALL_EXPR_FN.
8198         Add missing specific intrinsics.
8199         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
8200         si_bislede.
8201         * config/spu/spu_internals.h: Ditto.
8203         Fix incorrect operand modifiers.
8204         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
8205         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
8207         Optimize one case of zero_extend of a vec_select.
8208         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
8210         Accept any immediate for hbr.
8211         * config/spu/spu.md (hbr):  Change s constraints to i.
8213 2007-02-21  Paul Brook  <paul@codesourcery.com>
8215         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
8216         condexec_count when skipping USE and CLOBBER.
8218 2007-02-21  Nick Clifton  <nickc@redhat.com>
8220         * common.opt (Warray-bounds): Add Warning attribute.
8221         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
8222         Likewise.
8223         (fsized-zeroes): Add Optimization attribute.
8224         (fsplit-wide-types, ftree-scev-cprop): Likewise.
8225         * c.opt (Wc++0x-compat): Add Warning attribute.
8227 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
8229         PR middle-end/30761
8230         * reload1.c (eliminate_regs_in_insn): In the single_set special
8231         case, attempt to re-recognize the insn before falling back to
8232         having reload fix it up.
8234 2007-02-20  Eric Christopher  <echristo@gmail.com>
8236         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
8237         Rewrite accordingly.
8238         (frv_read_iacc_argument): Ditto.
8239         (frv_expand_set_builtin): Take a call instead of arglist, update for
8240         above changes.
8241         (frv_expand_unop_builtin): Ditto.
8242         (frv_expand_binop_builtin): Ditto.
8243         (frv_expand_cut_builtin): Ditto.
8244         (frv_expand_binopimm_builtin): Ditto.
8245         (frv_expand_voidbinop_builtin): Ditto.
8246         (frv_expand_int_void2arg): Ditto.
8247         (frv_expand_prefetches): Ditto.
8248         (frv_expand_voidtriop_builtin): Ditto.
8249         (frv_expand_voidaccop_builtin): Ditto.
8250         (frv_expand_load_builtin): Ditto.
8251         (frv_expand_store_builtin): Ditto.
8252         (frv_expand_mdpackh_builtin): Ditto.
8253         (frv_expand_mclracc_builtin): Ditto.
8254         (frv_expand_mrdacc_builtin): Ditto.
8255         (frv_expand_mwtacc_builtin): Ditto.
8256         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
8257         calls for above.
8259 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
8261         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
8262         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
8263         cmpb instruction.
8264         (HAVE_GAS_DFP): Check for assembler support of decimal floating
8265         point instructions.
8266         * configure: Regenerate.
8267         * config.in: Regenerate.
8268         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
8269         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
8270         masks to power6 and power6x and to POWERPC_MASKS.
8271         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8272         _ARCH_PWR6.
8273         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
8274         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
8275         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8276         Access PROTOTYPE as variable, not mask.
8278 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
8280         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
8281         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
8282         * combine.c (adjust_for_new_dest): Use it.
8283         * postreload.c (reload_combine): Likewise.
8285 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
8287         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
8288         notes on an insn with multiple sets, even if single_set returns
8289         non-NULL for that insn.
8291 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8293         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
8294         scalbn and scalbln.
8296 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
8298         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
8299         if user didn't pass it.
8300         * config/i386/darwin.h (CC1_SPEC): Likewise.
8301         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
8302         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
8303         -mmacosx-version-min.
8305 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8306             Uros Bizjak  <ubizjak@gmail.com>
8308         * optabs.h (enum optab_index): Add new OTI_scalb.
8309         (scalb_optab): Define corresponding macro.
8310         * optabs.c (init_optabs): Initialize scalb_optab.
8311         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
8312         patterns.
8313         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
8314         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
8315         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
8316         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
8317         flag_unsafe_math_optimizations is set.
8319         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
8320         to implement scalbf, scalb and scalbl built-ins as inline x87
8321         intrinsics.
8323 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8324             DJ Delorie <dj@redhat.com>
8326         PR other/30824
8327         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
8328         (diagnostic_report_diagnostic): ... here, and turn them into real
8329         errors. If warnings are inhibited, no need to do anything.
8331 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
8333         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
8334         better code generation.
8336 2007-02-20  Ben Elliston  <bje@au.ibm.com>
8338         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
8340 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
8342         * config/alpha/alpha.c, config/alpha/alpha.md,
8343         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
8344         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
8345         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
8346         config/arm/lib1funcs.asm: Follow spelling conventions.
8348         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
8349         config/fr30/fr30.md, config/i386/i386.h,
8350         config/iq2000/iq2000.h, config/iq2000/predicates.md,
8351         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
8352         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
8353         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
8354         config/rs6000/altivec.md, config/rs6000/rs6000.c,
8355         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
8356         config/sparc/sparc.c, config/sparc/sparc.h,
8357         config/sparc/sparc.md, config/spu/constraints.md,
8358         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
8359         conventions.
8361 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
8363         PR target/29943
8364         * varasm.c (use_blocks_for_decl_p): Return false for decls with
8365         alias attribute.
8367 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
8369         * doc/invoke.texi (-ftree-lrs): Remove.
8371 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
8373         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
8374         NULL.
8376 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
8378         * config/ia64/ia64.c (ia64_expand_builtin): Use the
8379         new CALL_EXPR_FN macro for retrieving the function
8380         declaration of the input expression.
8382 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8384         * c.opt (Waddress): New.
8385         * common.opt (Walways-true): Delete.
8386         (Wstring-literal-comparison): Delete.
8387         * doc/invoke.texi (Warning Options): Delete -Walways-true and
8388         -Wstring-literal-comparison. Add -Waddress.
8389         (Waddress): New.
8390         (Walways-true): Delete.
8391         (Wstring-literal-comparison): Delete.
8392         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
8393         consistently instead of -Walways-true in example.
8394         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
8395         * c-typeck.c (parser_build_binary_op): Replace
8396         -Wstring-literal-comparison and -Walways-true with -Waddress.
8397         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
8398         with -Waddress.
8400 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
8402         * tree-cfg.c (dump_function_to_file): Be prepared for functions
8403         without DECL_STRUCT_FUNCTION initialized.
8405 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
8407         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
8408         due to calls to functions taking pointers as parameters.
8410 2007-02-19  Richard Henderson  <rth@redhat.com>
8412         PR debug/29558
8413         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
8414         in memory.
8416 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
8418         * config/s390/s390.c (s390_call_saved_register_used,
8419         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
8420         accessed to the new scheme.
8422 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8424         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
8425         (cris_print_index, cris_print_operand, cris_print_operand_address)
8426         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
8427         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
8428         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
8429         GET_CODE () == xxx.
8430         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
8431         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
8432         GO_IF_LEGITIMATE_ADDRESS): Ditto.
8433         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
8434         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
8435         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
8436         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
8437         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
8438         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
8439         (uminsi3, call, call_value): Ditto.
8440         (define_split: indir_to_reg_split, unnamed): Ditto.
8442 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
8444         PR tree-optimization/30975
8445         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
8446         wrong assert.
8448 2007-02-18  Eric Christopher  <echristo@gmail.com>
8450         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
8451         Remove use of arglist.
8452         (mips_expand_builtin): Remove use of arglist, pass in expr.
8453         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
8454         (mips_expand_builtin_movtf): Ditto.
8455         (mips_expand_builtin_compare): Ditto.
8457 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
8459         * tree-sra.c (sra_build_assignment): Replace assertion
8460         checking with a comment explaining why it can't be done.
8462 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
8464         PR middle-end/30833
8465         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
8466         during CALL_EXPR representation conversion.
8467         * tree-ssa-propagate.c (set_rhs): Likewise.
8469 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
8471         * tree-sra.c (sra_build_assignment): Disable assertion checking
8472         for now.
8474 2007-02-18  Roger Sayle  <roger@eyesopen.com>
8476         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
8477         instead of calling build2 with a GIMPLE_MODIFY_STMT.
8478         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
8479         Likewise.
8480         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
8481         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
8482         gimplify_init_ctor_eval_range, gimple_push_cleanup,
8483         gimplify_omp_for, gimplify_omp_atomic_pipeline,
8484         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
8485         force_gimple_operand): Likewise.
8486         * ipa-cp.c (constant_val_insert): Likewise.
8487         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8488         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
8489         perfect_nestify): Likewise.
8490         * langhooks.c (lhd_omp_assignment): Likewise.
8491         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
8492         lower_copyprivate_clauses, lower_send_clauses,
8493         lower_send_shared_vars, expand_parallel_call,
8494         expand_omp_for_generic, expand_omp_for_static_nochunk,
8495         expand_omp_for_static_chunk, expand_omp_sections,
8496         lower_omp_single_copy, lower_omp_for_lastprivate,
8497         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
8498         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
8499         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
8500         Likewise.
8502 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
8504         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
8505         config/sh/sh.md: Follow spelling conventions.
8507         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
8508         config/frv/predicates.md: Follow spelling conventions.
8510         * config/m68k/linux-unwind.h: Fix a comment typo.
8511         * target.h: Follow spelling conventions.
8513 2007-02-18  Roger Sayle  <roger@eyesopen.com>
8515         PR rtl-optimization/28173
8516         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
8517         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
8518         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
8519         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
8520         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
8522 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8524         * builtins.c (fold_builtin_load_exponent): New.
8525         (fold_builtin_2): Use it.
8527 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
8529         PR rtl-optimization/30773
8530         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
8531         if we fail to attach a REG_EQUIV note.
8533 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
8534             Roger Sayle  <roger@eyesopen.com>
8536         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
8538 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
8540         * calls.c (initialize_argument_information): Pass original EXP
8541         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
8542         code to split complex arguments here, as part of initializing the
8543         ARGS array.
8544         (expand_call): Remove code that builds a list of arguments and
8545         inserts implicit arguments into it.  Instead, just count how many
8546         implicit arguments there will be so we can determine the size of
8547         the ARGS array, and let initialize_argument_information do the work.
8548         (split_complex_values): Delete unused function.
8550 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
8552         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
8554 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
8556         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
8557         for arg pointer based indexed addressing.
8559 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
8561         * config/ia64/ia64.h, config/ia64/ia64.md,
8562         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
8563         spelling conventions.
8565 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
8567         * config/m68k/m68k.c (split_di): New.
8568         * config/m68k/m68k-protos.h: Declare split_di.
8569         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
8570           Improve predicate handling and split constant shifts.
8572 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
8574         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
8575         parameter for register bitfield operations, general predicates
8576         cleanup
8578 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
8580         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
8581         * config/m68k/linux-unwind.h: New file.
8583 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
8585         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
8586         config/i386/athlon.md, config/ia64/ia64.md,
8587         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
8588         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
8589         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
8590         tree-ssa-loop-niter.c, tree-vect-analyze.c,
8591         tree-vect-transform.c: Fix comment typos.
8593 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
8595         * sched-deps.c (find_insn_list): Remove.
8596         * sched-int.h: Remove the prototype for find_insn_list.
8598 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
8600         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
8601         to linker.
8602         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
8603         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
8604         darwin_rs6000_override_options.
8605         (C_COMMON_OVERRIDE_OPTIONS): Expect
8606         darwin_macosx_version_min to be non-NULL always.
8607         (TARGET_C99_FUNCTIONS): Likewise.
8608         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
8609         (DARWIN_MINVERSION_SPEC): New.
8610         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
8611         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
8612         to cc1*.
8613         (DARWIN_MINVERSION_SPEC): New.
8614         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
8615         value.
8616         * config/darwin-c.c (darwin_cpp_builtins): Expect
8617         darwin_macosx_version_min to be non-NULL always.
8619         * config/rs6000/rs6000.c: Clean up trailing whitespace.
8621 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
8623         * config/i386/i386.h (x86_use_xchgb): New.
8624         (TARGET_USE_XCHGB): New macro.
8625         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
8626         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
8627         Split after reload into bswaphi for shifts of 8.
8628         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
8629         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
8630         or when optimizing for size.
8632 2007-02-16  Richard Guenther  <rguenther@suse.de>
8633             Christian Bruel  <christian.bruel@st.com>
8635         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
8636         DECLs but prefer SSA_NAMEs over DECLs.
8638 2007-02-16  Richard Guenther  <rguenther@suse.de>
8640         * tree-flow-inline.h (single_imm_use_p): Remove.
8641         (zero_imm_uses_p): Likewise.
8642         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
8643         instead of single_imm_use_p.
8644         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
8645         zero_imm_uses_p.
8647 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8649         PR other/27843
8650         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
8651         nested double- and backquotes.
8653 2007-02-15  Roger Sayle  <roger@eyesopen.com>
8655         PR middle-end/30391
8656         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
8657         should be unreachable.
8658         (build2_stat): Allow construction of MODIFY_EXPR at any time.
8659         For the time being redirect GIMPLE_MODIFY_STMT to the new
8660         (renamed) build_gimple_modify_stmt_stat.
8661         (build2_gimple_stat): Rename to...
8662         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
8663         Always build a GIMPLE_MODIFY_STMT node.
8664         * tree.h (build2_gimple, build2_gimple_stat): Delete.
8665         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
8666         declarations.
8668         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
8669         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
8670         * tree-complex.c (set_component_ssa_name, expand_complex_move,
8671         expand_complex_div_wide): Likewise.
8672         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
8673         * tree-ssa-loop-im.c (schedule_sm): Likewise.
8674         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
8675         * tree-ssa-loop-manip.c (create_iv): Likewise.
8676         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
8677         abs_replacement): Likewise.
8678         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
8679         realify_fake_stores): Likewise.
8681         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
8682         node rather than a GIMPLE_MODIFY_STMT node.
8683         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
8684         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
8685         Likewise.
8686         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
8687         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
8688         GIMPLE_MODIFY_STMT.
8690 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8692         PR middle-end/30433
8693         * fold-const.c (fold_comparison): Add back the
8694         folding of constant complex comparisions.
8696 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8698         PR middle-end/30729
8699         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
8700         effects unknown to this function, return early.
8702 2007-02-15  Ian Lance Taylor  <iant@google.com>
8704         * lower-subreg.c (move_eh_region_note): New static function.
8705         (resolve_simple_move): Call it.
8706         (decompose_multiword_subregs): Track blocks for which we resolve a
8707         simple move which is also a control flow insn.  Pass them to
8708         find_many_sub_basic_blocks.
8709         (pass_lower_subreg): Add TODO_verify_flow.
8710         (pass_lower_subreg2): Likewise.
8712 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
8713             Brooks Moses  <brooks.moses@codesourcery.com>
8714             Lee Millward  <lee.millward@codesourcery.com>
8716         * tree.h (enum tree_code_class): Add tcc_vl_exp.
8717         (VL_EXP_CLASS_P): New.
8718         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
8719         TREE_CODE_LENGTH.
8720         (TREE_OPERAND_CHECK_CODE): Likewise.
8721         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
8722         (TREE_RTL_OPERAND_CHECK): Likewise.
8723         (tree_operand_check_failed): Make second parameter the whole tree
8724         instead of its code.  Fixed callers.
8725         (VL_EXP_CHECK): New.
8726         (TREE_OPERAND_LENGTH): New.
8727         (VL_EXP_OPERAND_LENGTH): New.
8728         (CALL_EXPR_FN): New.
8729         (CALL_EXPR_STATIC_CHAIN): New.
8730         (CALL_EXPR_ARGS): New.
8731         (CALL_EXPR_ARG): New.
8732         (call_expr_nargs): New.
8733         (CALL_EXPR_ARGP): New.
8734         (build_nt_call_list): Declare.
8735         (build_vl_exp_stat): Declare.
8736         (build_vl_exp): New.
8737         (build_call_list): Declare.
8738         (build_call_nary): Declare.
8739         (build_call_valist): Declare.
8740         (build_call_array): Declare.
8741         (call_expr_arg): Declare.
8742         (call_expr_argp): Declare.
8743         (call_expr_arglist): Declare.
8744         (fold_build_call_list): Declare.
8745         (fold_build_call_list_initializer): Declare.
8746         (fold_call_expr): Declare to replace fold_builtin.
8747         (fold_builtin_fputs): Update to agree with modified definition.
8748         (fold_builtin_strcpy): Likewise.
8749         (fold_builtin_strncpy): Likewise.
8750         (fold_builtin_memory_chk): Likewise.
8751         (fold_builtin_stxcpy_chk): Likewise.
8752         (fold_builtin_strncpy_chk): Likewise.
8753         (fold_builtin_next_arg): Likewise.
8754         (fold_build_call_expr): Declare.
8755         (fold_builtin_call_list): Declare.
8756         (fold_builtin_call_valist): Declare.
8757         (build_call_expr): Declare.
8758         (validate_arglist): Update to agree with modified definition.
8759         (tree_operand_length): New.
8760         (call_expr_arg_iterator): New.
8761         (init_call_expr_arg_iterator): New.
8762         (next_call_expr_arg): New.
8763         (first_call_expr_arg): New.
8764         (more_call_expr_args_p): New.
8765         (FOR_EACH_CALL_EXPR_ARG): New.
8767         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
8768         and tcc_gimple_stmt.
8769         (tree_code_size): Update documentation.  Use sizeof (tree) rather
8770         than sizeof (char *).
8771         (tree_size): Likewise.  Add case for tcc_vl_exp.
8772         (tree_node_structure): Add case for tcc_vl_exp.
8773         (contains_placeholder_p): Likewise.
8774         (substitute_in_expr): Likewise.
8775         (substitute_placeholder_in_expr): Likewise.
8776         (stabilize_reference_1): Likewise.
8777         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
8778         to diagnose breakage of this interface for constructing CALL_EXPRs.
8779         (build_nt): Add similar assertion here.
8780         (build_nt_call_list): New.
8781         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
8782         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
8783         TREE_CODE_LENGTH.
8784         (get_callee_fndecl): Use new CALL_EXPR accessors.
8785         (tree_operand_check_failed): Change parameters to pass entire node
8786         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
8787         (process_call_operands): New.
8788         (build_vl_exp_stat): New.
8789         (build_call_list): New.
8790         (build_call_nary): New.
8791         (build_call_valist): New.
8792         (build_call_array): New.
8793         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
8794         (call_expr_arglist): New.
8796         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
8797         tcc_vl_exp instead of a fixed-size tcc_expression.
8799         * doc/c-tree.texi (CALL_EXPR): Document new representation and
8800         accessors for CALL_EXPRs.
8801         (AGGR_INIT_EXPR): Likewise.
8803 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
8804             Brooks Moses  <brooks.moses@codesourcery.com>
8805             Lee Millward  <lee.millward@codesourcery.com>
8807         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
8808         (expand_builtin_nonlocal_goto): Change parameter to be entire
8809         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
8810         (expand_builtin_prefetch): Likewise.
8811         (expand_builtin_classify_type): Likewise.
8812         (mathfn_built_in): Return NULL_TREE instead of 0.
8813         (expand_errno_check): Use new CALL_EXPR accessors.
8814         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
8815         Return NULL_RTX instead of 0.
8816         (expand_builtin_mathfn_2): Likewise.
8817         (expand_builtin_mathfn_3): Likewise.
8818         (expand_builtin_interclass_mathfn): Likewise.
8819         (expand_builtin_sincos): Likewise.
8820         (expand_builtin_cexpi): Likewise.
8821         (expand_builtin_int_roundingfn): Likewise.
8822         (expand_builtin_int_roundingfn_2): Likewise.
8823         (expand_builtin_pow): Likewise.
8824         (expand_builtin_powi): Likewise.
8825         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
8826         of arglist, fixing callers appropriately.  Use new CALL_EXPR
8827         accessors and constructors.  Return NULL_RTX instead of 0.
8828         (expand_builtin_strstr): Likewise.
8829         (expand_builtin_strchr): Likewise.
8830         (expand_builtin_strrchr): Likewise.
8831         (expand_builtin_strpbrk): Likewise.
8832         (expand_builtin_memcpy): Likewise.
8833         (expand_builtin_mempcpy): Likewise.
8834         (expand_builtin_mempcpy_args): New.
8835         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
8836         (expand_builtin_memmove_args): New.
8837         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
8838         (expand_movstr): Likewise.
8839         (expand_builtin_strcpy): Likewise.
8840         (expand_builtin_strcpy_args): New.
8841         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
8842         (expand_builtin_strncpy): Likewise.
8843         (expand_builtin_memset): Likewise.
8844         (expand_builtin_memset_args): New.
8845         (expand_builtin_bzero): Similarly to expand_builtin_memset.
8846         (expand_builtin_memcmp): Likewise.
8847         (expand_builtin_strcmp): Likewise.
8848         (expand_builtin_strncmp): Likewise.
8849         (expand_builtin_strcat): Likewise.
8850         (expand_builtin_strncat): Likewise.
8851         (expand_builtin_strspn): Likewise.
8852         (expand_builtin_strcspn): Likewise.
8853         (expand_builtin_args_info): Likewise.
8854         (expand_builtin_va_start): Likewise.
8855         (gimplify_va_arg_expr): Likewise.
8856         (expand_builtin_va_end): Likewise.
8857         (expand_builtin_va_copy): Likewise.
8858         (expand_builtin_frame_address): Likewise.
8859         (expand_builtin_alloca): Likewise.
8860         (expand_builtin_bswap): Likewise.
8861         (expand_builtin_unop): Likewise.
8862         (expand_builtin_fputs): Likewise.
8863         (expand_builtin_expect): Likewise.
8864         (expand_builtin_fabs): Likewise.
8865         (expand_builtin_copysign): Likewise.
8866         (expand_builtin_printf): Likewise.
8867         (expand_builtin_fprintf): Likewise.
8868         (expand_builtin_sprintf): Likewise.
8869         (expand_builtin_init_trampoline): Likewise.
8870         (expand_builtin_signbit): Likewise.
8871         (expand_builtin_fork_or_exec): Likewise.
8872         (expand_builtin_sync_operation): Likewise.
8873         (expand_builtin_compare_and_swap): Likewise.
8874         (expand_builtin_lock_test_and_set): Likewise.
8875         (expand_builtin_lock_release): Likewise.
8876         (expand_builtin): Likewise.
8877         (builtin_mathfn_code): Likewise.
8879         (fold_builtin_constant_p): Pass call arguments individually instead
8880         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
8881         accessors and constructors.  Return NULL_TREE instead of 0.
8882         (fold_builtin_expect): Likewise.
8883         (fold_builtin_classify_type): Likewise.
8884         (fold_builtin_strlen): Likewise.
8885         (fold_builtin_nan): Likewise.
8886         (integer_valued_real_p): Likewise.
8887         (fold_trunc_transparent_mathfn): Likewise.
8888         (fold_fixed_mathfn): Likewise.
8889         (fold_builtin_cabs): Likewise.
8890         (fold_builtin_sqrt): Likewise.
8891         (fold_builtin_cbrt): Likewise.
8892         (fold_builtin_cos): Likewise.
8893         (fold_builtin_cosh): Likewise.
8894         (fold_builtin_tan): Likewise.
8895         (fold_builtin_sincos): Likewise.
8896         (fold_builtin_cexp): Likewise.
8897         (fold_builtin_trunc): Likewise.
8898         (fold_builtin_floor): Likewise.
8899         (fold_builtin_ceil): Likewise.
8900         (fold_builtin_round): Likewise.
8901         (fold_builtin_int_roundingfn): Likewise.
8902         (fold_builtin_bitop): Likewise.
8903         (fold_builtin_bswap): Likewise.
8904         (fold_builtin_logarithm): Likewise.
8905         (fold_builtin_hypot): Likewise.
8906         (fold_builtin_pow): Likewise.
8907         (fold_builtin_powi): Likewise.
8908         (fold_builtin_exponent): Likewise.
8909         (fold_builtin_memset): Likewise.
8910         (fold_builtin_bzero): Likewise.
8911         (fold_builtin_memory_op): Likewise.
8912         (fold_builtin_bcopy): Deleted; call site changed to invoke
8913         fold_builtin_memory_op directly.
8914         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
8915         (fold_builtin_strncpy): Likewise.
8916         (fold_builtin_memcmp): Likewise.
8917         (fold_builtin_strcmp): Likewise.
8918         (fold_builtin_strncmp): Likewise.
8919         (fold_builtin_signbit): Likewise.
8920         (fold_builtin_copysign): Likewise.
8921         (fold_builtin_isascii): Likewise.
8922         (fold_builtin_toascii): Likewise.
8923         (fold_builtin_isdigit): Likewise.
8924         (fold_builtin_fabs): Likewise.
8925         (fold_builtin_abs): Likewise.
8926         (fold_builtin_fmin_fmax): Likewise.
8927         (fold_builtin_carg): Likewise.
8928         (fold_builtin_classify): Likewise.
8929         (fold_builtin_unordered_cmp): Likewise.
8931         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
8932         New functions split out from fold_builtin_1.
8933         (fold_builtin_n): New.
8934         (fold_builtin_varargs): New.
8935         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
8936         instead.
8937         (fold_call_expr): New.
8938         (build_function_call_expr): Rewrite to use new helper function.
8939         (fold_builtin_call_list): New.
8940         (build_call_expr): New.
8941         (fold_builtin_call_valist): New.
8942         (rewrite_call_expr): New.
8943         (validate_arg): New.
8944         (validate_arglist): Change parameter to be entire CALL_EXPR instead
8945         of an arglist.  Change return type to bool.  Use new CALL_EXPR
8946         accessors.
8948         (fold_builtin_strstr):  Pass call arguments individually instead
8949         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
8950         accessors and constructors.  Return NULL_TREE instead of 0.
8951         (fold_builtin_strchr): Likewise.
8952         (fold_builtin_strrchr): Likewise.
8953         (fold_builtin_strpbrk): Likewise.
8954         (fold_builtin_strcat): Likewise.
8955         (fold_builtin_strncat): Likewise.
8956         (fold_builtin_strspn): Likewise.
8957         (fold_builtin_strcspn): Likewise.
8958         (fold_builtin_fputs): Likewise.
8959         (fold_builtin_next_arg): Likewise.
8960         (fold_builtin_sprintf): Likewise.
8962         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
8963         NULL_RTX instead of 0.
8964         (expand_builtin_memory_chk): Likewise.
8965         (maybe_emit_chk_warning): Likewise.
8966         (maybe_emit_sprintf_chk_warning): Likewise.
8968         (fold_builtin_object_size): Pass call arguments individually instead
8969         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
8970         accessors and constructors.  Return NULL_TREE instead of 0.
8971         (fold_builtin_memory_chk): Likewise.
8972         (fold_builtin_stxcpy_chk): Likewise.
8973         (fold_builtin_strncpy_chk): Likewise.
8974         (fold_builtin_strcat_chk): Likewise.
8975         (fold_builtin_strcat_chk): Likewise.
8976         (fold_builtin_strncat_chk): Likewise.
8977         (fold_builtin_sprintf_chk): Likewise.
8978         (fold_builtin_snprintf_chk): Likewise.
8979         (fold_builtin_printf): Likewise.
8980         (fold_builtin_vprintf): Likewise.
8982         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
8983         constructors.
8984         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
8985         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
8986         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
8987         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
8988         (fold_unary): Likewise.
8989         (fold_binary): Likewise.
8990         (fold_ternary): Remove CALL_EXPR case, since they are no longer
8991         ternary expressions.
8992         (fold): Add logic for tcc_vl_exp.
8993         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
8994         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
8995         (fold_build3_stat): Add assertion to flag broken interface for
8996         constructing CALL_EXPRs.
8997         (fold_build_call_list): New.
8998         (fold_build_call_list_initializer): New.
8999         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
9000         constructors.
9001         (fold_strip_sign_ops): Likewise.
9003 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9004             Brooks Moses  <brooks.moses@codesourcery.com>
9005             Lee Millward  <lee.millward@codesourcery.com>
9007         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
9008         accessors and dump arguments explicitly.
9010         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
9011         TREE_CODE_LENGTH.
9012         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
9013         explicitly.
9014         (print_call_name): Use new CALL_EXPR accessors.
9016         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
9017         CALL_EXPR arguments explicitly instead of as a list.  Use
9018         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9020         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
9021         (vrp_visit_stmt): Likewise.
9023         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
9024         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
9025         TREE_CODE_LENGTH.
9026         (force_move_till_expr): Likewise.
9028         * targhooks.c (default_external_stack_protect_fail): Use
9029         build_call_expr instead of build_function_call_expr.
9030         (default_hidden_stack_protect_fail): Likewise.
9032         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
9033         build the call.
9035         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
9036         and walk arguments explicitly.
9038         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
9039         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9040         (expand_simple_operations): Likewise.
9041         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
9043         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
9044         of TREE_CODE_LENGTH.
9045         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
9047         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
9048         instead of TREE_CODE_LENGTH.
9050         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
9051         (tree_ic_transform): Likewise.
9052         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
9053         parameter instead of arglist.  Fix callers.
9054         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
9055         (tree_stringops_transform): Likewise.
9056         (tree_indirect_call_to_profile): Likewise.
9057         (tree_stringops_values_to_profile): Likewise.
9059         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
9060         (eliminate_tail_call): Likewise.
9062         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
9064         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
9065         Use TREE_OPERAND_LENGTH and generalize to handle any number of
9066         operands.
9067         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
9069         * omp-low.c (build_omp_barrier): Use build_call_expr.
9070         (lower_rec_input_clauses): Likewise.
9071         (lower_reduction_clauses): Likewise.
9072         (expand_parallel_call): Likewise.
9073         (maybe_catch_exception): Likewise.
9074         (expand_omp_for_generic): Likewise.
9075         (expand_omp_for_static_nochunk): Likewise.
9076         (expand_omp_sections): Likewise.
9077         (lower_omp_single_simple): Likewise.
9078         (lower_omp_single_copy): Likewise.
9079         (lower_omp_master): Likewise.
9080         (lower_omp_ordered): Likewise.
9081         (lower_omp_critical): Likewise.
9083         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
9084         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
9086         * tree-gimple.c (is_gimple_call_addr): Fix doc.
9087         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
9088         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
9090         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
9091         and generalize to handle any number of operands.
9092         (chrec_contains_undetermined): Likewise.
9093         (tree_contains_chrecs): Likewise.
9094         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
9096         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
9098         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
9099         fold_call_expr instead of fold_builtin.
9100         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
9101         match declarations there.
9102         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
9103         updates.
9105         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
9106         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9108         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
9109         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
9111         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
9112         accessors.
9114         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
9115         (execute_cse_sincos): Use new CALL_EXPR accessors.
9117         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
9119         * gimple-low.c (lower_function_body): Use build_call_expr.
9120         (lower_builtin_setjmp): Likewise.
9122         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
9123         (set_storage_via_libcall): Likewise.
9124         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
9125         instead of TREE_CODE_LENGTH.
9126         (expand_expr_real_1): Use new CALL_EXPR accessors.
9128         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
9129         generalize to handle any number of operands.
9130         (TB_parent_eq): Likewise.
9132         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
9133         (strip_builtin_expect): Likewise.
9135         * function.c (gimplify_parameters): Use build_call_expr.
9137         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
9138         instead of TREE_CODE_LENGTH.
9140         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
9141         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
9143         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
9144         iterators.
9146         * gimplify.c (build_stack_save_restore): Use build_call_expr.
9147         (gimplify_decl_expr): Likewise.
9148         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
9149         Use new CALL_EXPR iterators.
9150         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
9151         (gimplify_modify_expr_to_memset): Likewise.
9152         (gimplify_variable_sized_compare): Likewise.
9153         (gimplify_omp_atomic_fetch_op): Likewise.
9154         (gimplify_omp_atomic_pipeline): Likewise.
9155         (gimplify_omp_atomic_mutex): Likewise.
9156         (gimplify_function_tree): Likewise.
9158         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
9159         (call_expr_flags): Likewise.
9160         (expand_call): Likewise.
9162         * except.c (expand_builtin_eh_return_data_regno): Pass entire
9163         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
9164         accessors.
9166         * coverage.c (create_coverage): Use build_call_expr.
9168         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
9169         (temp_call_expr_obstack): New.
9170         (pool_copy_list): Delete.
9171         (temp_copy_call_expr): New.
9172         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
9173         CALL_EXPR accessors.  Get rid of special goo for copying argument
9174         lists and use temp_copy_call_expr instead.
9175         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
9176         CALL_EXPR accessors.
9177         (create_expression_by_pieces): Likewise.  Use build_call_array
9178         to construct the result instead of fold_build3.
9179         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
9180         dealing with argument lists.
9181         (init_pre): Remove references to expression_node_pool and
9182         list_node_pool.  Init temp_call_expr_obstack instead.
9183         (fini_pre): Remove references to expression_node_pool and
9184         list_node_pool.
9186         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
9187         and walk arguments explicitly instead of as a list.
9189         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
9190         (mx_register_decls): Likewise.
9191         (mudflap_register_call): Likewise.
9192         (mudflap_finish_file): Likewise.
9194         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
9195         (ipa_callsite_compute_param): Likewise.
9197         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
9198         accessors and constructor.
9200         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
9201         accessors and constructor.
9202         (convert_tramp_reference): Likewise.
9203         (convert_call_expr): Likewise.
9204         (finalize_nesting_tree_1): Likewise.
9206         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
9207         accessors.
9209         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
9211         * tree-inline.c (initialize_inlined_parameters): Pass entire
9212         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
9213         accessors.
9214         (estimate_num_insns_1): Use new CALL_EXPR accessors.
9215         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
9217         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
9218         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9219         (vectorizable_reduction): Likewise.
9220         (vectorizable_call): Use new CALL_EXPR iterators.
9221         (vectorizable_conversion): Use build_call_expr.
9222         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
9223         (vect_gen_widened_results_half): Use build_call_expr.
9224         (vect_setup_realignment): Likewise.
9225         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
9227         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
9228         (pass_through_call): Likewise.
9229         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
9230         fold_builtin.
9232         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
9233         (tree_gen_pow2_profiler): Likewise.
9234         (tree_gen_one_value_profiler): Likewise.
9235         (tree_gen_ic_func_profiler): Likewise.
9236         (tree_gen_average_profiler): Likewise.
9237         (tree_gen_ior_profiler): Likewise.
9239         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
9240         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
9241         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9243         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
9244         of TREE_CODE_LENGTH.
9246         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
9247         of TREE_CODE_LENGTH.
9249         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
9250         constructor.
9251         (convert_to_integer): Likewise.
9253         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
9254         accessors.
9256 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9257             Brooks Moses  <brooks.moses@codesourcery.com>
9258             Lee Millward  <lee.millward@codesourcery.com>
9260         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
9261         accessors.
9262         * config/frv/frv.c (frv_expand_builtin): Likewise.
9263         * config/s390/s390.c (s390_expand_builtin): Likewise.
9265         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
9266         (sparc_expand_builtin): Use new CALL_EXPR accessors.
9268         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
9269         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
9270         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
9271         (ix86_expand_store_builtin): Likewise.
9272         (ix86_expand_unop_builtin): Likewise.
9273         (ix86_expand_unop1_builtin): Likewise.
9274         (ix86_expand_sse_compare): Likewise.
9275         (ix86_expand_sse_comi): Likewise.
9276         (ix86_expand_vec_init_builtin): Likewise.
9277         (ix86_expand_vec_ext_builtin): Likewise.
9278         (ix86_expand_vec_set_builtin): Likewise.
9279         (ix86_expand_builtin): Use new CALL_EXPR accessors.
9281         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
9282         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
9284         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
9285         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
9286         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
9288         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
9289         build_call_expr.
9290         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
9291         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
9292         arglist.  Use new CALL_EXPR accessors.  Fix callers.
9293         (altivec_expand_abs_builtin): Likewise.
9294         (rs6000_expand_binop_builtin): Likewise.
9295         (altivec_expand_predicate_builtin): Likewise.
9296         (altivec_expand_lv_builtin): Likewise.
9297         (spe_expand_stv_builtin): Likewise.
9298         (altivec_expand_stv_builtin): Likewise.
9299         (rs6000_expand_ternop_builtin): Likewise.
9300         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
9301         (altivec_expand_st_builtin): Likewise.
9302         (altivec_expand_dst_builtin): Likewise.
9303         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
9304         arglist.  Use new CALL_EXPR accessors.  Fix callers.
9305         (altivec_expand_vec_set_builtin): Likewise.
9306         (altivec_expand_vec_ext_builtin): Likewise.
9307         (altivec_expand_builtin): Use new CALL_EXPR accessors.
9308         (spe_expand_builtin): Likewise.
9309         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
9310         arglist.  Use new CALL_EXPR accessors.  Fix callers.
9311         (spe_expand_evsel_builtin): Likewise.
9312         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
9313         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
9315         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
9316         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
9317         (arm_expand_unop_builtin): Likewise.
9318         (arm_expand_builtin): Use new CALL_EXPR accessors.
9320         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
9321         accessors.
9323         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
9324         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
9325         (bfin_expand_unop_builtin): Likewise.
9326         (bfin_expand_builtin): Use new CALL_EXPR accessors.
9328 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9329             Brooks Moses  <brooks.moses@codesourcery.com>
9330             Lee Millward  <lee.millward@codesourcery.com>
9332         * c-semantics.c (build_stmt): Add internal diagnostic check.
9334         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
9335         accessors.  Print arguments explicitly instead of as a list.
9337         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
9339         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
9340         (c_finish_omp_flish): Likewise.
9342         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
9343         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
9344         instead of TREE_CODE_LENGTH.
9345         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
9346         (c_warn_unused_result): Likewise.
9348 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9350         PR c/26494
9351         * doc/invoke.texi (Warning Options): Remove
9352         -Werror-implicit-function-declaration.
9353         (Wimplicit-function-declaration): Update description.
9354         * opts.c (common_handle_option): Move handling of -Werror=* to...
9355         (enable_warning_as_error): ...here.
9356         * opts.h (enable_warning_as_error): Declare.
9357         * c-decl.c (implicit_decl_warning): Unless
9358         -Wno-implicit-function-declaration is given, emit a pedwarn if
9359         -std=c99 or emit a warning if -Wimplicit-function-declaration.
9360         * c.opt (Wimplicit-function-declaration): Replace
9361         mesg_implicit_function_declaration with
9362         warn_implicit_function_declaration.
9363         * c-opts.c (c_common_handle_option):
9364         -Werror-implicit-function-declaration is exactly equal as
9365         -Werror=implicit-function-declaration.
9366         (set_Wimplicit): Replace mesg_implicit_function_declaration with
9367         warn_implicit_function_declaration.
9368         (c_common_post_options): -Wimplict-function-declaration is enabled
9369         by default by -std=c99, otherwise is disabled by default.
9370         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
9372 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
9374         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
9375         DECL on the rhs to a DECL on the lhs for debug info purposes if the
9376         former is ignored but not the latter.
9378 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
9380         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
9381         is made and the reference doesn't use the alias set of its type,
9382         do not create the temporary using that type.
9384 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
9386         * jump.c: Remove prototypes for delete_computation and
9387         delete_prior_computation.
9389 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
9391         * jump.c (get_label_after): Delete.
9392         (get_label_before, delete_computation, delete_jump,
9393         delete_prior_computation, follow_jumps): Move...
9394         * reorg.c (delete_computation, delete_prior_computation): ... here...
9395         (get_label_before, delete_jump): ... making these static ...
9396         (follow_jumps): ... and simplifying this since it only runs after
9397         reload.
9398         * rtl.h (get_label_after, get_label_before, delete_jump,
9399         follow_jumps): Delete prototypes.
9401 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
9403         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
9405 2007-02-15  Nick Clifton  <nickc@redhat.com>
9407         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
9408         order to prevent it from being munged by the target.
9410 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
9412         * config/i386/i386.md: Remove misleading comment.
9414 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
9416         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
9417         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
9418         invalid patterns.
9420 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
9422         * tree-sra.c (instantiate_missing_elements): Canonicalize
9423         bit-field types.
9424         (sra_build_assignment): New.
9425         (generate_copy_inout, generate_element_copy,
9426         generate_element_zero, generate_one_element_init): Use it.
9428 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
9430         * tree-sra.c (instantiate_missing_elements): Canonicalize
9431         bit-field types.
9432         (sra_build_assignment): New.
9433         (generate_copy_inout, generate_element_copy,
9434         generate_element_zero, generate_one_element_init): Use it.
9436 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
9438         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
9439         limbo die nodes.
9441 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
9443         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
9444         types as aggregates not scalars.
9445         * function.c (assign_stack_temp_for_type): Likewise.
9447 2007-02-14  Roger Sayle  <roger@eyesopen.com>
9448             Zdenek Dvorak  <dvorakz@suse.cz>
9450         * tree-dump.c (dump_switch_p_1): Require exact match of the option
9451         name.
9453 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
9455         * passes.c (next_pass_1): Clear the next field of the copied
9456         pass structure.
9458 2007-02-14  Richard Henderson  <rth@redhat.com>
9460         * tree-sra.c (early_sra): New.
9461         (decl_can_be_decomposed_p): Deny va_list if early_sra.
9462         (tree_sra_early, pass_sra_early): New.
9463         * tree-pass.h (pass_sra_early): Declare.
9464         * passes.c (init_optimization_passes): Use it.
9466 2007-02-14  Richard Guenther  <rguenther@suse.de>
9468         * flags.h (issue_strict_overflow_warning): Convert to a macro.
9470 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
9472          PR tree-optimization/30771
9473         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
9474         also phi nodes.
9475         (vect_analyze_operations): Induction phis can now be marked as
9476         used_in_loop.
9477         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
9478         Update documentation accordingly.
9480 2007-02-14  Nick Clifton  <nickc@redhat.com>
9482         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
9483         most 3 arguments are supported.
9484         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
9486 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
9488         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
9489         Ensure dst->current is valid.
9491 2007-02-13  Paul Brook  <paul@codesourcery.com>
9493         * config.gcc: Add arm*-*-uclinux-*eabi.
9494         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
9495         (SUBTARGET_EXTRA_LINK_SPEC): Define.
9496         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
9497         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
9498         (LINK_SPEC): Define.
9499         (LIB_SPEC): Define.
9500         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
9501         register.
9502         * config/arm/uclinux-eabi.h: New file.
9503         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
9504         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
9505         based targets.
9507 2007-02-13  Ian Lance Taylor  <iant@google.com>
9509         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
9510         * flags.h (warn_strict_overflow): Declare.
9511         (enum warn_strict_overflow_code): Define.
9512         (issue_strict_overflow_warning): New static inline function.
9513         * opts.c (warn_strict_overflow): New variable.
9514         (common_handle_option): Handle OPT_Wstrict_overflow and
9515         OPT_Wstrict_overflow_.
9516         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
9517         OPT_Wall.
9518         * fold-const.c: Include intl.h.
9519         (fold_deferring_overflow_warnings): New static variable.
9520         (fold_deferred_overflow_warning): New static variable.
9521         (fold_deferred_overflow_code): New static variable.
9522         (fold_defer_overflow_warnings): New function.
9523         (fold_undefer_overflow_warnings): New function.
9524         (fold_undefer_and_ignore_overflow_warnings): New function.
9525         (fold_deferring_overflow_warnings_p): New function.
9526         (fold_overflow_warning): New static function.
9527         (make_range): Add strict_overflow_p parameter.  Change all
9528         callers.
9529         (extract_muldiv, extract_muldiv_1): Likewise.
9530         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
9531         tree_expr_nonnegative_p.
9532         (fold_negate_expr): Call fold_overflow_warning.
9533         (fold_range_test): Likewise.
9534         (fold_comparison): Likewise.
9535         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
9536         instead of tree_expr_nonnegative_p.
9537         (tree_expr_nonnegative_warnv_p): Rename from
9538         tree_expr_nonnegative_p, add strict_overflow_p parameter.
9539         (tree_expr_nonnegative_p): New function.
9540         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
9541         strict_overflow_p parameter.
9542         (tree_expr_nonzero_p): New function.
9543         * passes.c (verify_interpass_invariants): New static function.
9544         (execute_one_pass): Call it.
9545         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
9546         warnings.
9547         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
9548         (estimate_numbers_of_iterations): Likewise.
9549         (scev_probably_wraps_p): Likewise.
9550         * tree-ssa-ccp.c: Include "toplev.h".
9551         (evaluate_stmt): Defer fold overflow warnings until we know we are
9552         going to optimize.
9553         (struct fold_stmt_r_data): Add stmt field.
9554         (fold_stmt_r): Defer fold overflow warnings until we know we
9555         optimized.
9556         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
9557         (fold_stmt_inplace): Likewise.
9558         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
9559         (cleanup_control_expr_graph): Defer fold overflow warnings until
9560         we know we are going to optimize.
9561         * tree-cfg.c (fold_cond_expr_cond): Likewise.
9562         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
9563         Likewise.
9564         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
9565         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
9566         * tree-ssa-loop-manip.c (create_iv): Likewise.
9567         * c-typeck.c (build_conditional_expr): Likewise.
9568         (build_binary_op): Likewise.
9569         * tree-vrp.c (vrp_expr_computes_nonzero): Call
9570         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
9571         (extract_range_from_unary_expr): Likewise.
9572         * simplify-rtx.c (simplify_const_relational_operation): Warn when
9573         assuming that signed overflow does not occur.
9574         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
9575         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
9576         (fold_defer_overflow_warnings): Declare.
9577         (fold_undefer_overflow_warnings): Declare.
9578         (fold_undefer_and_ignore_overflow_warnings): Declare.
9579         (fold_deferring_overflow_warnings_p): Declare.
9580         (tree_expr_nonzero_warnv_p): Declare.
9581         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
9582         of warning options.
9583         (Warning Options): Document -Wstrict-overflow.
9584         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
9585         (tree-ssa-ccp.o): Likewise.
9586         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
9587         (fold-const.o): Depend on intl.h.
9589 2007-02-13  Ian Lance Taylor  <iant@google.com>
9591         PR middle-end/30751
9592         * lower-subreg.c (resolve_simple_move): Decompose subregs in
9593         addresses.
9595 2007-02-13  Stuart Hastings  <stuart@apple.com>
9597         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
9599 2007-02-13  Richard Henderson  <rth@redhat.com>
9601         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
9602         handled_component_p before looking for the indirect_ref.
9604 2007-02-13  Richard Henderson  <rth@redhat.com>
9606         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
9607         remove flags clobber.
9608         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
9609         (bswaphi_lowpart): New.
9610         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
9611         remove TARGET_BSWAP test.  Delete expander of the same name.
9613         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
9614         (expand_unop): Use them.
9616 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
9618         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
9619         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
9620         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
9621         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
9622         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
9623         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
9624         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
9625         assembler dialect choice from asm templates.
9627 2007-02-12  Richard Henderson  <rth@redhat.com>
9629         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
9630         (fixuns_trunc<SSEMODEF>si2): Use it.
9631         * config/i386/sse.md (vec_setv4sf_0): Export.
9632         * config/i386/i386.c (ix86_build_const_vector): Export.
9633         (ix86_split_convert_uns_si_sse): Rename from
9634         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
9635         * config/i386/i386-protos.h: Update.
9637 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9639         PR c/29521
9640         * c-typeck.c (c_finish_return): Improve warning message.
9642 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9644         * alias.c (find_symbolic_term): Delete unused function.
9646 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
9648         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
9649         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
9650         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
9652 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
9654         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
9655         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
9656         the function, temporarily point the debug interface to the null one.
9658 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
9660         * dwarf2out.c (round_up_to_align): New static function.
9661         (field_byte_offset): Use it to round the offset.
9663 2007-02-12  Richard Henderson  <rth@redhat.com>
9665         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
9666         (inswl_const): Export.
9668 2007-02-12  Richard Henderson  <rth@redhat.com>
9670         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
9671         result mode of the libcall, convert back to outmode.
9673 2007-02-12  Roger Sayle  <roger@eyesopen.com>
9675         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
9676         (bswapdi2): New define_expand to implement 32-bit implementation.
9678 2007-02-12  Nick Clifton  <nickc@redhat.com>
9680         * doc/invoke.texi (Overall Options): Document --help=.
9681         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
9682         (cc1_options): Pass --help= on to cc1.
9683         (display_help): Add description of --help=.
9684         (process_command): Add code to handle --help=.  Allow translated
9685         --help and --target-help switches to be passed on to compiler
9686         sub-process.
9687         (main): Remove unused if statement.
9688         * opts.c (columns): Remove.
9689         (LEFT_COLUMN): Define.
9690         (wrap_help): Add columns argument.
9691         (print_filtered_help): Change parameters to be an include bitmask,
9692         an exclude bitmask, an any bitmask and the column width.  Move the
9693         code to display the params list here.  Add code to display the
9694         status of options rather than their descriptions if the quiet flag
9695         is not active.
9696         (print_specific_help): Change parameters to be an include bitmask,
9697         an exclude bitmask and an any bitmask.  Move code to look up the
9698         column width here.  Decide upon the title for an options listing.
9699         (common_handle_options): Add code to handle --help=.  Adapt code
9700         for --help and --target-help to use the revised form of the
9701         print_specific_help function.
9702         (print_help): Delete.
9703         (print_param_help): Delete.
9704         (print_switch): Delete.
9705         * opts.h (cl_lang_count): Add prototype.
9706         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
9707         CL_MAX_OPTION_CLASS): New defines.
9708         * optc-gen.awk: Add construction of cl_lang_count.
9709         * c.opt: Add Warning attribute to warning options and Optimization
9710         attribute to optimization options.
9711         * common.opt: Likewise.
9712         Add --help=.
9713         Add -fhelp and -ftarget-help as aliases for the transformed --help
9714         and --target-help options.
9715         * opt-functions.awk: Add code to handle Warning and Optimization
9716         attributes.
9718 2007-02-12  Richard Henderson  <rth@redhat.com>
9720         * config/alpha/constraints.md: New file.
9721         * config/alpha/alpha.c: Include tm-constrs.h.
9722         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
9723         alpha_extra_constraint): Remove.
9724         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
9725         * config/alpha/alpha-protos.h: Update.
9726         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
9727         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
9728         (EXTRA_CONSTRAINT): Remove.
9729         * config/alpha/alpha.md: Include constraints.md.
9730         (adddi splitter): Use satisfies_constraint_*.
9731         * config/alpha/predicates.md (add_operand): Likewise.
9732         (sext_add_operand, addition_operation): Likewise.
9734 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
9736         PR tree-optimization/29145
9737         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
9738         in our handling of restrict qualified pointers.
9740 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9742         PR middle-end/7651
9743         * doc/invoke.texi (Wunused-value): Update description.
9744         (Wextra): Delete item.
9745         * opts.c (set_Wextra): Don't use the value of Wextra to set the
9746         value of Wunused-value.
9747         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
9748         (c_finish_stmt_expr): Don't check extra_warnings.
9749         (emit_side_effect_warnings): The caller is responsible to check
9750         warn_unused_value.
9752 2007-02-11  Roger Sayle  <roger@eyesopen.com>
9753             Matt Thomas  <matt@3am-software.com>
9755         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
9757 2007-02-11  Roger Sayle  <roger@eyesopen.com>
9759         * simplify-rtx.c (simplify_relational_operation_1): Optimize
9760         comparisons of POPCOUNT against zero.
9761         (simplify_const_relational_operation): Likewise.
9763 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9765         * doc/invoke.texi (Wextra): Delete outdated paragraph.
9767 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9769         * dwarf2out.c (root_type): Delete unused function.
9771 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9773         * genattrtab.c (contained_in_p): Delete unused function.
9774         (write_expr_attr_cache): Likewise.
9776 2007-02-11  Jan Hubicka  <jh@suse.cz>
9778         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
9779         previous patch.
9781 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
9783         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
9784         to add the REG_EQ* note.
9785         * see.c (see_merge_one_use_extension): Likewise.
9786         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
9787         turn REG_EQUAL notes into REG_EQUIV notes if the target
9788         register may have more than one set.
9789         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
9790         * gcse.c (try_replace_reg): Likewise.
9791         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
9792         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
9793         more than one REG_EQUIV note.
9794         * reload1.c (gen_reload): Use set_unique_reg_note.
9796 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
9798         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
9799         (ix86_builtin_conversion): New function.
9801 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
9803         PR target/29487
9804         * tree.h (DECL_REPLACEABLE_P): New macro.
9805         * except.c (set_nothrow_function_flags): Likewise.
9807 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
9808             Ira Rosen  <irar@il.ibm.com>
9809             Dorit Nuzman  <dorit@il.ibm.com>
9811         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
9812         * targhooks.c (default_builtin_vectorized_conversion): New.
9813         * targhooks.h (default_builtin_vectorized_function): New declaration.
9814         * target.h (struct vectorize): Add builtin_conversion field.
9815         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
9816         stmt_vec_info_type value.
9817         (vectorizable_conversion): New declaration.
9818         * tree-vect-analyze.c (vect_analyze_operations): Add
9819         vectorizable_conversion call.
9820         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
9821         * tree-vect-transform.c (vectorizable_conversion): New function.
9822         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
9823         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
9824         mode.
9825         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
9826         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
9827         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
9828         or ALTIVEC_BUILTIN_VCFSX.
9830 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9832         PR target/30634
9833         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
9834         CONST_DOUBLE and operand 0 is a hard register.
9835         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
9836         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
9837         is a hard floating-point register.
9839 2007-02-10  Richard Henderson  <rth@redhat.com>
9840             Jakub Jelinek  <jakub@redhat.com>
9841             Alexandre Oliva  <aoliva@redhat.com>
9843         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
9844         * builtin-types.def (BT_WORD): Make unsigned.
9845         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
9846         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
9847         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
9848         * c-decl.c (grokdeclarator): Don't error if !have_tls.
9849         * c-parser.c (c_parser_omp_threadprivate): Likewise.
9850         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
9851         emulated tls.
9852         * expr.c (emutls_var_address): New.
9853         (expand_expr_real_1): Expand emulated tls.
9854         (expand_expr_addr_expr_1): Likewise.
9855         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
9856         * output.h (emutls_finish): Declare.
9857         * toplev.c (compile_file): Call it.
9858         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
9859         address before wrapping in CONST.
9860         * varasm.c (emutls_htab, emutls_object_type): New.
9861         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
9862         (get_emutls_object_name, get_emutls_object_type): New.
9863         (get_emutls_init_templ_addr, emutls_decl): New.
9864         (emutls_common_1, emutls_finish): New.
9865         (assemble_variable): When emulating tls, swap decls; generate
9866         constructor for the emutls objects.
9867         (do_assemble_alias): When emulating tls, swap decl and target name.
9868         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
9869         for emulated tls.
9870         * varpool.c (decide_is_variable_needed): Look at force_output.
9871         Recurse for emulated tls.
9872         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
9873         with decide_is_variable_needed.
9874         * emutls.c: New file.
9875         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
9876         tls_object for real tls.
9878 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
9880         PR rtl-optimization/29599
9881         * reload1.c (eliminate_regs_in_insn): Take the destination
9882         mode into account when computing the offset.
9884 2007-02-09  Stuart Hastings  <stuart@apple.com>
9885             Richard Henderson  <rth@redhat.com>
9887         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
9888         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
9889         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
9890         fixuns_truncdfhi2): New.
9891         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
9892         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
9893         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
9894         (floatunssidf2): Allow nonimmediate source.
9895         * config/i386/sse.md (movdi_to_sse): New.
9896         (vec_concatv2di): Drop '*'.
9897         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
9898         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
9899         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
9900         New.
9901         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
9902         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
9903         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
9904         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
9905         (ix86_build_signbit_mask): Fix decl of v, refactor to call
9906         ix86_build_const_vector.
9907         (x86_emit_floatuns): Rewrite.
9909 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9911         * genautomata.c (longest_path_length): Delete unused function.
9912         (struct state): Delete unused longest_path_length.
9913         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
9914         (get_free_state): Delete unused.
9916 2007-02-09  Jan Hubicka  <jh@suse.cz>
9918         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
9919         * doc/invoke.texi (inline-unit-growth): Update default value.
9921         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
9922         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
9923         (rebuild_cgraph_edges): Likewise.
9924         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
9925         (dump_cgraph_node): Dump frequencies.
9926         (cgraph_clone_edge): Add frequency scales.
9927         (cgraph_clone_node): Add freuqnecy.
9928         * cgraph.h (cgraph_edge): Add freuqnecy argument.
9929         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
9930         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
9931         * tree-pass.h (TODO_rebuild_frequencies): New constant.
9932         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
9933         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
9934         (save_inline_function_body): Likewise.
9935         * ipa-inline.c: inluce rtl.h
9936         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
9937         (cgraph_edge_badness): Use frequencies.
9938         (cgraph_decide_recursive_inlining): Update clonning.
9939         (cgraph_decide_inlining_of_small_function): Dump frequency.
9940         * predict.c (estimate_bb_frequencies): Export.
9941         * predict.h (estimate_bb_frequencies): Declare.
9942         * tree-inline.c (copy_bb): Watch overflows.
9943         (expand_call_inline): Update call of cgraph_create_edge.
9944         (optimize_inline_calls): Use TODO flags to update frequnecies.
9945         * passes.h: Include predict.h
9946         (init_optimization_passes): Move profile ahead.
9947         (execute_function_todo): Handle TODO_rebuild_frequencies.
9949 2007-02-09  Roger Sayle  <roger@eyesopen.com>
9951         * config/alpha/alpha.c (emit_insxl): Force the first operand of
9952         the insbl or inswl pattern into a register.
9954 2007-02-09  Roger Sayle  <roger@eyesopen.com>
9956         * config/ia64/ia64.md (bswapdi2): New define_insn.
9958 2007-02-09  Richard Henderson  <rth@redhat.com>
9960         * config/i386/constraints.md (Ym): New constraint.
9961         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
9962         (movdi_1_rex64): Split sse and xmm general register moves from
9963         memory move alternatives.  Use conditional register constraints.
9964         (movsf_1, movdf_integer): Likewise.
9965         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
9966         (movdf_integer_rex64): New.
9967         (pushsf_rex64): Fix output constraints.
9968         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
9969         (sse2_stored): Likewise.
9970         (sse2_storeq_rex64): New.
9971         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
9972         amd and not generic.
9973         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
9974         for optimize_size.  Remove SF/DFmode hack.
9976 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
9978         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
9979         (bit_SSE4a): New.
9981 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
9982             Richard Sandiford  <richard@codesourcery.com>
9984         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
9985         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
9986         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
9987         m68k/t-mlib to tmake_file.
9988         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
9989         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
9990         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
9991         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
9992         variable is not empty, add t-$m68k_arch_family to tmake_file.
9993         Add t-mlibs to tmake_file.
9994         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
9995         * config/m68k/t-cf: New file.
9996         * config/m68k/t-m68k: Likewise.
9997         * config/m68k/t-mlibs: Likewise.
9998         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
9999         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
10000         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
10001         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
10002         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
10003         Delete.
10004         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
10005         (INSTALL_LIBGCC): Delete.
10006         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
10007         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
10008         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
10009         (M68K_MLIB_CPU): Define.
10010         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
10011         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
10012         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
10014 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
10015             Richard Guenther  <rguenther@suse.de>
10017         PR middle-end/23361
10018         * fold-const.c (fold_comparison): Handle obfuscated comparisons
10019         against INT_MIN/INT_MAX.
10020         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
10021         file if a loop is removed.
10023 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
10025         * calls.c (store_one_arg): Pass correct alignment to
10026         emit_push_insn for non-BLKmode values.
10027         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
10028         unaligned stack slot via a suitably aligned slot.
10030 2007-02-08  DJ Delorie  <dj@redhat.com>
10032         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
10033         warnings.
10034         (legal_subregs): Use unsigned char, make const.
10035         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
10037 2007-02-08  Paul Brook  <paul@codesourcery.com>
10039         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
10040         special interworking needed.
10042 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
10044         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
10045         conditional to __SSE2__.
10046         (Entries below should have been added to first ChangeLog
10047         entry for amdfam10 dated 2007-02-05)
10048         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
10049         defined.
10050         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
10051         defined.
10052         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
10053         defined.
10055 2007-02-08  DJ Delorie  <dj@redhat.com>
10057         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
10058         * config/m32c/m32c.c (legal_subregs): New.
10059         (m32c_illegal_subreg_p): New.
10060         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
10061         unsupported subregs of hard regs.
10063 2007-02-08  Jan Hubicka  <jh@suse.cz>
10065         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
10066         the same one; always update histograms.
10068 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
10070         * passes.c (init_optimization_passes): Tidy comment.
10072 2007-02-08  Roger Sayle  <roger@eyesopen.com>
10074         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
10075         strip zero_extend, bswap and rotates from POCOUNT's argument.
10076         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
10077         zero_extend and rotates from PARITY's argument.
10078         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
10079         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
10080         of an integer constant at compile-time.
10082 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
10084         PR 30562
10085         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
10086         Update all users.
10087         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
10088         users.
10089         (init_alias_info):
10090         * tree-ssa-live.c (remove_unused_locals): Do not remove
10091         TREE_ADDRESSABLE variables.
10092         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
10093         * tree-ssa-operands.c (add_virtual_operand): Remove argument
10094         FOR_CLOBBER.  Update all users.
10095         If VAR has an associated alias set, add a virtual operand for
10096         it if no alias is found to conflict with the memory reference.
10098 2007-02-07  Jan Hubicka  <jh@suse.cz>
10099             Robert Kidd <rkidd@crhc.uiuc.edu>
10101         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
10103 2007-02-07  Ian Lance Taylor  <iant@google.com>
10105         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
10107 2007-02-07  Roger Sayle  <roger@eyesopen.com>
10109         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
10110         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
10111         tablejumpdi, movsi_to_cr_one): Remove constraints from
10112         define_expand's match_operands.
10114 2007-02-07  Roger Sayle  <roger@eyesopen.com>
10116         * global.c (compute_regsets): Move declatation of "i" inside of
10117         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
10119 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
10121         PR c++/30703
10122         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
10123         of INDIRECT_REF <RESULT_DECL>.
10125         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
10127 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
10128             Kaz Kojima  <kkojima@gcc.gnu.org>
10130         PR target/29746
10131         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
10132         properly.
10133         (sh_initialize_trampoline): Add parentheses to avoid a warning.
10135 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
10137         * doc/loop.texi: Document possibility not to perform disambiguation
10138         of loops with multiple latches.
10139         * cfgloopmanip.c (alp_enum_p): Removed.
10140         (add_loop): Handle subloops.  Use get_loop_body_with_size.
10141         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
10142         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
10143         the new forwarder block.
10144         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
10145         Handle the case latch is NULL.
10146         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
10147         when marking loop exits.
10148         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
10149         be modified.
10150         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
10151         disambiguate_loops_with_multiple_latches.
10152         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
10153         before fix_loop_structure.
10154         * cfgloop.c: Include pointer-set.h and output.h.
10155         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
10156         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
10157         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
10158         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
10159         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
10160         disambiguate_multiple_latches, get_loop_body_with_size,
10161         disambiguate_loops_with_multiple_latches): New functions.
10162         (flow_loop_dump): Dump multiple latch edges.
10163         (flow_loop_nodes_find): Handle loops with multiple latches.
10164         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
10165         (glb_enum_p): Modified.
10166         (get_loop_body): Use get_loop_body_with_size.
10167         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
10168         (AVOID_CFG_MODIFICATIONS): New constant.
10169         (disambiguate_loops_with_multiple_latches, add_loop,
10170         get_loop_body_with_size): Declare.
10171         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
10173 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
10175         PR inline-asm/28686
10176         * global.c (compute_regsets): New function.
10177         (global_alloc): Refactored ELIMINABLE_REGSET
10178         and NO_GLOBAL_ALLOC_REGS computation out.
10179         (rest_of_handle_global_alloc): Call compute_regsets()
10180         for non-optimizing case.
10182 2007-02-06  Richard Henderson  <rth@redhat.com>
10184         * config/i386/constraints.md (Y2): Rename from Y.
10185         (Yi): New constraint.
10186         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
10187         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
10188         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
10189         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
10190         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
10191         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
10192         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
10193         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
10194         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
10195         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
10196         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
10197         vec_extractv2si_1): Change Y constraints to Y2.
10198         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
10199         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
10200         Change Y constraints to Y2.
10201         (sse2_loadld): Change Y constraints to x.
10203 2007-02-06  Roger Sayle  <roger@eyesopen.com>
10205         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
10206         (parity<mode>2): New define_expand using rs6000_emit_parity.
10207         * config/rs6000/rs6000.c (rs6000_emit_popcount,
10208         rs6000_emit_parity): New functions.
10209         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
10210         rs6000_emit_parity): Prototype here.
10212 2007-02-06  Ian Lance Taylor  <iant@google.com>
10214         * lower-subreg.c (simple_move_operand): Reject CONST.
10215         (resolve_clobber): Call validate_change rather than directly
10216         assigning to XEXP (pat, 0).
10218 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
10220         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
10221         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
10222         (tree-cfg.o): Remove hashtab.h dependency.
10224         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
10225         (struct ivopts_data): Change niters to pointer_map_t.
10226         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
10227         (niter_for_exit): Create pointer_map on demand.  Change for
10228         pointer_map API.
10229         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
10230         (free_loop_data): Destroy data->niters if created and reset field.
10231         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
10232         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
10234         * tree-ssa-reassoc.c: Include pointer-set.h.
10235         (bb_rank): Change to long *.
10236         (operand_rank): Change to pointer_map_t.
10237         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
10238         (insert_operand_rank): Accept long.
10239         (operand_entry_hash, operand_entry_eq): Remove.
10240         (get_rank): Return long.  Adjust for changes above.
10241         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
10242         and operand_rank.
10243         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
10245         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
10246         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
10247         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
10248         is not NULL.
10249         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
10250         directly since it cannot be NULL.
10251         (get_vi_for_tree): Rewrite for pointer_map API.
10252         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
10253         (init_alias_vars): Create vi_for_tree as pointer_map.
10254         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
10256         * tree-cfg.c: Don't include hashtab.h.
10257         (edge_to_cases): Declare as pointer_map.
10258         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
10259         Delete.
10260         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
10261         (start_recording_case_labels): Create edge_to_cases as pointer_map.
10262         (end_recoding_case_labels): Cleanup edge_to_cases manually before
10263         destroying it.
10264         (record_switch_edge): Delete.
10265         (get_cases_for_edge): Adjust for pointer_map API, inline
10266         record_switch_edge (rewritten for new API), remove goto.
10268 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
10270         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
10271         * tree-nested.c: Include pointer-set.h.
10272         (var_map_elt, var_map_eq, var_map_hash): Delete.
10273         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
10274         to pointer_map_t's.
10275         (nesting_info_bitmap_obstack): New.
10276         (lookup_field_for_decl): Adjust for pointer_map API.
10277         (lookup_tramp_for_decl): Adjust for pointer_map API.
10278         (get_nonlocal_debug_decl): Adjust for pointer_map API.
10279         (get_local_debug_decl): Adjust for pointer_map API.
10280         (convert_nl_goto_reference): Adjust for pointer_map API.
10281         (convert_nl_goto_receiver): Adjust for pointer_map API.
10282         (create_nesting_tree): Create outside GGC space.  Create bitmap on
10283         the new obstack.  Create field_map and var_map as pointer_maps.
10284         (free_nesting_tree): Adjust for changes to create_nesting_tree.
10285         (root): Delete.
10286         (lower_nested_functions): Move root here, no need to NULL it.
10287         Initialize and release the obstack.
10289 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
10291         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
10292         Remove prototypes and make them non-static.
10293         (struct tree_int_map): Remove.
10294         * tree.h (struct tree_int_map): Move here, turning TO into an
10295         unsigned int.
10296         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
10298         * tree.h (TREE_COMPLEXITY): Remove.
10299         (struct tree_exp): Remove complexity field.
10300         * tree.c (build1_stat): Don't set it.
10302 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
10303             Victor Kaplansky  <victork@il.ibm.com>
10305         * tree-vectorizer.c (vect_is_simple_use): Support induction.
10306         (vect_is_simple_reduction): Support reduction with induction as
10307         one of the operands.
10308         (vect_is_simple_iv_evolution): Fix formatting.
10309         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
10310         formatting.  Don't mark induction phis for vectorization.
10311         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
10312         * tree-vect-transform.c (get_initial_def_for_induction): New function.
10313         (vect_get_vec_def_for_operand): Support induction.
10314         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
10315         induction case.
10316         (vectorizable_reduction): Support reduction with induction as one of
10317         the operands.
10318         (vectorizable_type_demotion): Use def-type of stmt argument rather
10319         than dummy def-type.
10321         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
10322         flag_tree_scev_cprop.
10323         * common.opt (tree-scev-cprop): New flag.
10325         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
10326         call to vect_get_new_vect_var.
10328 2007-02-06  Ira Rosen  <irar@il.ibm.com>
10330         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
10331         vectype is not NULL.
10332         (vect_pattern_recog_1): Likewise.
10334 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10336         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
10337         (fold_negate_expr): Likewise.
10339 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
10341         PR debug/30189
10342         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
10343         even if cv-qualification is the same.
10345 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
10347         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
10348         __enable_execute_stack on completion.
10350 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10352         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
10353         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
10354         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
10355         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
10356         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
10357         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
10358         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
10359         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
10361 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10363         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
10364         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
10365         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
10366         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
10367         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
10368         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
10369         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
10370         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
10371         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
10372         umuldi3_highpart_rex64, umulsi3_highpart_insn,
10373         umulsi3_highpart_zext, smuldi3_highpart_rex64,
10374         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
10375         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
10376         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
10377         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
10378         sqrtextenddfxf2_i387): Added amdfam10_decode.
10380         * config/i386/athlon.md (athlon_idirect_amdfam10,
10381         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
10382         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
10383         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
10384         athlon_ivector_store_amdfam10): New define_insn_reservation.
10385         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
10386         amdfam10.
10388 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10390         * config/i386/athlon.md (athlon_call_amdfam10,
10391         athlon_pop_amdfam10, athlon_lea_amdfam10): New
10392         define_insn_reservation.
10393         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
10394         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
10395         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
10397 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10399         * config/i386/athlon.md (athlon_sseld_amdfam10,
10400         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
10401         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
10403 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10405         * config/i386/athlon.md (athlon_sseins_amdfam10): New
10406         define_insn_reservation.
10407         * config/i386/i386.md (sseins): Added sseins to define_attr type
10408         and define_attr unit.
10409         * config/i386/sse.md: Set type attribute to sseins for insertq
10410         and insertqi.
10412 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10414         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
10415         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
10416         ssecomi_load_amdfam10, ssecomi_amdfam10,
10417         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
10418         define_insn_reservation.
10419         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
10421 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10423         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
10424         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
10425         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
10426         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
10427         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
10428         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
10429         define_insn_reservation.
10431         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
10432         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
10433         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
10434         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
10435         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
10437 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10439         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
10440         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
10441         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
10442         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
10443         athlon_ssemul_load_k8): Added amdfam10.
10445 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10447         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
10448         (x86_sse_unaligned_move_optimal): New variable.
10450         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
10451         m_AMDFAM10.
10452         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
10453         for unaligned vector SSE double/single precision loads for AMDFAM10.
10455 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10457         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
10458         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
10459         Define TARGET_CPU_DEFAULT_amdfam10.
10460         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
10461         (processor_type): Add PROCESSOR_AMDFAM10.
10463         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
10464         processor_type in config/i386/i386.h.
10465         Enable imul peepholes for TARGET_AMDFAM10.
10467         * config.gcc: Add support for --with-cpu option for amdfam10.
10469         * config/i386/i386.c (amdfam10_cost): New variable.
10470         (m_AMDFAM10): New macro.
10471         (m_ATHLON_K8_AMDFAM10): New macro.
10472         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
10473         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
10474         x86_promote_QImode, x86_integer_DFmode_moves,
10475         x86_partial_reg_dependency, x86_memory_mismatch_stall,
10476         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
10477         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
10478         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
10479         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
10480         Enable/disable for amdfam10.
10481         (override_options): Add amdfam10_cost to processor_target_table.
10482         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
10483         processor_alias_table.
10484         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
10485         (ix86_adjust_cost): Add code for amdfam10.
10487 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10489         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
10490         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
10491         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
10492         * config/i386/i386.h: Add builtin definition for SSE4A.
10493         * config/i386/i386.md: Add support for ABM instructions
10494         (popcnt and lzcnt).
10495         * config/i386/sse.md: Add support for SSE4A instructions
10496         (movntss, movntsd, extrq, insertq).
10497         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
10498         Add -march=amdfam10 flag.
10499         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
10500         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
10501         and amdfam10.
10502         * doc/extend.texi: Add documentation for SSE4A builtins.
10504 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
10506         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
10508 2007-02-05  Richard Guenther  <rguenther@suse.de>
10510         * tree-vectorizer.h (vectorizable_function): Add argument type
10511         argument, change return type.
10512         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
10513         * tree-vect-transform.c (vectorizable_function): Handle extra
10514         argument, return vectorized function decl.
10515         (build_vectorized_function_call): Remove.
10516         (vectorizable_call): Handle calls with result and argument types
10517         differing.  Handle loop vectorization factor correctly.
10518         * targhooks.c (default_builtin_vectorized_function): Adjust for
10519         extra argument.
10520         * targhooks.h (default_builtin_vectorized_function): Likewise.
10521         * target.h (builtin_vectorized_function): Add argument type
10522         argument.
10523         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
10524         extra argument, allow vectorizing of lrintf.
10525         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
10526         documentation of target hook.
10528 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
10530         PR target/30665
10531         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
10532         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
10533         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
10535 2007-02-05  Roger Sayle  <roger@eyesopen.com>
10537         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
10538         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
10539         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
10540         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
10541         before canonicalizing sincos to cexpi.
10542         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
10544 2007-02-05  Roger Sayle  <roger@eyesopen.com>
10546         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
10547         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
10548         (alpha_init_builtins): Use alpha_add_builtins to process tables.
10550 2007-02-05  Roger Sayle  <roger@eyesopen.com>
10552         * mips-tfile.c (initialize_init_file): Correct endianness test.
10554 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
10556         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
10557         the 'y' constraint.
10559 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
10561         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
10562         saves in a PARALLEL before the register assignments.
10564 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
10566         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
10567         DWARF_FRAME_RETURN_COLUMN to be a general register.
10568         * dwarf2out.c (init_return_column_size): New function, split from...
10569         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
10570         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
10571         to be nongeneral registers.
10572         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
10573         integer registers.
10574         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
10575         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
10577 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
10579         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
10581 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
10583         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
10584         (remove_path): Use can_remove_branch_p and remove_branch instead
10585         of loop_delete_branch_edge.
10586         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
10587         (tree_transform_and_unroll_loop): Remove dead branches immediately.
10588         Update profile using scale_dominated_blocks_in_loop.
10589         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
10590         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
10591         (can_remove_branch_p, remove_branch): Declare.
10592         * tree-cfg.c (tree_can_remove_branch_p): New function.
10593         (tree_cfg_hooks): Add tree_can_remove_branch_p.
10594         * cfgrtl.c (rtl_can_remove_branch_p): New function.
10595         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
10597 2007-02-05  Jan Hubicka  <jh@suse.cz>
10599         PR middle-end/30696
10600         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
10601         nodes in cgraph, don't remove offline copy of the function.
10603 2007-02-04  Jan Hubicka  <jh@suse.cz>
10605         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
10606         vectors might cause maybe_lookup_element_for_expr to be called
10607         on non-sra-candidate.
10609 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
10611         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
10612         config/bfin/bfin.md, config/bfin/predicates.md: Follow
10613         spelling conventions.
10615 2007-02-04  Richard Guenther  <rguenther@suse.de>
10617         PR middle-end/30636
10618         * fold-const.c (try_move_mult_to_index): Make sure to not
10619         overflow one dimension of a multi-dimensional array access.
10621 2007-02-04  Jan Hubicka  <jh@suse.cz>
10623         * passes.c (init_optimization_passes): Reindent.
10625 2007-02-04  Jan Hubicka  <jh@suse.cz>
10626             Eric Botcazou  <ebotcazou@adacore.com>
10628         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
10629         (execute_fixup_cfg): Break out the abnormal goto code.
10630         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
10631         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
10632         (optimize_inline_calls): Call make_nonlocal_label_edges.
10634 2007-02-04  Jan Hubicka  <jh@suse.cz>
10636         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
10637         true when something was changed.
10638         (rename_ssa_copies): When something was changed, do
10639         TODO_remove_unused_locals.
10640         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10641         add TODO_remove_unused_locals when instruction was removed.
10643 2007-02-04  Jan Hubicka  <jh@suse.cz>
10645         * ipa-inline.c (try_inline): Improve debug output; work on already
10646         inline edges too.
10647         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
10648         call try_inline for already inlined edges too when flattening;
10649         inline also functions that make callee growth but overall unit size
10650         reduce.
10652 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
10654         * config/m32c/bitops.md, config/m32c/jump.md,
10655         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
10656         config/m32r/m32r.h, config/m32r/m32r.md,
10657         config/m32r/predicates.md, config/m68hc11/larith.asm,
10658         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
10659         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
10660         config/mips/mips-protos.h, config/mips/mips.c,
10661         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
10662         config/mn10300/mn10300.h, config/mn10300/predicates.md,
10663         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
10664         spelling conventions.
10666         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
10667         Follow spelling conventions.
10669 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
10671         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
10672         warn about C++0x compatibility.
10674 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
10676         * config/h8300/h8300.c, config/h8300/h8300.h,
10677         config/h8300/h8300.md: Follow spelling conventions.
10679 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
10681         PR middle-end/30667
10682         * combine.c (try_combine): Do not substitute source operand
10683         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
10685 2007-02-03  Jan Hubicka  <jh@suse.cz>
10687         PR gcov-profile/30650
10688         * value-prof.c (stringop_block_profile): Fix handling of size counter;
10689         do not divide by zero for never executed counters.
10690         (tree_find_values_to_profile): Fix counters.
10691         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
10693 2007-02-03  Ian Lance Taylor  <iant@google.com>
10695         * lower-subreg.c (simple_move_operand): New static function,
10696         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
10697         operands.
10698         (simple_move): Call simple_move_operand.
10699         (find_decomposable_subregs): Add special handling of MEMs.
10700         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
10701         meaning of return value.  If we see a hard register, test whether
10702         it can store a word_mode value.  Change all callers.
10704 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10706         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
10707         ftrapv insns and expanders.
10708         (subdi3): Change define_expand operand 1 to arith11_operand, and
10709         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
10710         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
10711         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
10712         respectively.
10714         PR middle-end/30174
10715         * varasm.c (notice_global_symbol): Treat global objects as weak when
10716         flag_shlib is true.
10718 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10720         * emit-rtl.c (dconstpi): Delete.
10721         (dconstsqrt2): New.
10722         (init_emit_once): Delete dconstpi and init dconstsqrt2.
10723         * real.h (dconstpi): Delete.
10724         (dconstsqrt2): New.
10725         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
10726         (fold_builtin_hypot): Likewise.
10728 2007-02-03  Tom Tromey  <tromey@redhat.com>
10730         PR driver/30246
10731         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
10732         -gcoff3, -gxcoff3, -gvms3 implies -dD.
10734 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
10736         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
10737         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
10738         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
10739         config/rs6000/cell.md, config/rs6000/darwin.h,
10740         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
10741         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
10742         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
10743         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
10744         typos.  Follow spelling conventions.
10745         * doc/invoke.texi: Follow spelling conventions.
10747 2007-02-03  Roger Sayle  <roger@eyesopen.com>
10749         * simplify-rtx.c (simplify_relational_operation_1): Implement some
10750         canonicalization transformations that attempt to simplify integer
10751         constant comparisons to become comparisons against zero.
10753 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10755         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
10756         fabs(x)*sqrt(2).
10757         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
10758         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
10760 2007-02-02  Mike Stump  <mrs@apple.com>
10762         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
10763         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
10764         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
10765         generate a branch island.
10767 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
10769         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
10770         (xtensa_legitimate_address_p): New.
10771         (xtensa_legitimize_address): New.
10772         (xtensa_output_addr_const_extra): New.
10773         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
10774         (BASE_REG_P): New.
10775         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
10776         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
10777         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
10778         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
10779         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
10780         (xtensa_legitimize_address): New.
10781         (xtensa_output_addr_const_extra): New.
10783 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
10785         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
10787 2007-02-02  Ian Lance Taylor  <iant@google.com>
10789         * expmed.c (expand_divmod): Add comment.
10791 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
10793         * emit-rtl.c (renumber_insns): Remove.
10794         * flags.h: Remove the extern for flag_renumber_insns.
10795         * rtl.h: Remove the prototype for renumber_insns.
10796         * toplev.c (flag_renumber_insns): Remove.
10798 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
10800         Revert for x86 darwin:
10801         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
10803         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
10804         code before the following patch under TARGET_MACHO.
10805         (ix86_function_value_regno_p): Likewise.
10807 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10809         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
10810         COMPLEX_EXPR.
10812 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
10814         PR target/29682
10815         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
10816         general or fp registers.  Add comments.
10817         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
10819 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
10821         * pointer-set.c (insert_aux): Only return insertion slot.
10822         (pointer_set_insert): Adjust.
10823         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
10824         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
10825         pointer_map_traverse): New.
10826         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
10827         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
10828         pointer_map_contains, pointer_map_traverse): Declare.
10830 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
10832         PR middle-end/30473
10833         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
10834         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
10836 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
10838         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
10840         (struct _dep): New type.
10841         (dep_t): New typedef.
10842         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
10843         (DEP_STATUS): New access macro.  The macro with the same name was
10844         renamed to DEP_LINK_STATUS.
10845         (dep_init): Declare function
10847         (struct _dep_link): New type.
10848         (dep_link_t): New typedef.
10849         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
10850         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
10851         (DEP_LINK_STATUS): New macro.
10852         (debug_dep_links): New debug function.
10854         (struct _deps_list): New type.
10855         (deps_list_t): New typedef.
10856         (DEPS_LIST_FIRST): New access macro.
10857         (FOR_EACH_DEP_LINK): New cycle macro.
10858         (create_deps_list, free_deps_list, delete_deps_list): Declare
10859         functions.
10860         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
10861         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
10862         (copy_deps_list_change_con): Ditto.
10864         (move_dep_link): Declare function.
10866         (struct _dep_node): New type.
10867         (dep_node_t): New typedef.
10868         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
10870         (struct haifa_insn_data.back_deps): New field to hold backward
10871         dependencies of the insn.
10872         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
10873         to deps_list_t.
10874         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
10875         Change its type to deps_list_t.
10876         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
10877         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
10878         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
10880         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
10882         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
10884         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
10885         all callers.
10886         (dep_cost): Declare.
10888         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
10889         (ds_to_dk, dk_to_ds): New functions.
10891         (init_dep_1): New static function.
10892         (init_dep): New function.
10893         (copy_dep): New static function.
10895         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
10896         functions.
10897         (detach_dep_link): New static function.
10898         (move_dep_link): New function.
10900         (dep_links_consistent_p, dump_dep_links): New static functions.
10901         (debug_dep_links): New debugging function.
10903         (deps_obstack, dl_obstack, dn_obstack): New static variables.
10905         (alloc_deps_list, init_deps_list): New static functions.
10906         (create_deps_list): New function.
10907         (clear_deps_list): New static function.
10908         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
10909         (deps_list_consistent_p, dump_deps_list): New static functions.
10910         (debug_deps_list): New function.
10911         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
10912         functions.
10913         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
10915         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
10916         use new scheduler dependencies lists.
10917         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
10918         (sched_analyze): Ditto.  Initialize dependencies lists.
10919         (add_forw_dep, compute_forward_dependences): Update to use new
10920         scheduler dependencies lists.
10922         (init_dependency_caches): Init deps_obstack.
10923         (free_dependency_caches): Free deps_obstack.
10925         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
10926         new scheduler dependencies lists.
10927         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
10928         (add_back_forw_dep, delete_back_forw_dep): Ditto.
10930         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
10931         Update to use new scheduler dependencies lists.
10932         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
10933         (debug_dependencies): Ditto.
10934         (schedule_region): Update comments.
10936         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
10937         scheduler dependencies lists.
10938         (schedule_ebb): Update comments.
10940         * rtl.def (DEPS_LIST): Remove.
10942         * lists.c (unused_deps_list): Remove.
10943         (free_list): Update assertions.
10945         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
10946         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
10948         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
10949         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
10951         * haifa-sched.c (comments): Update.
10952         (insn_cost1): Remove.  Inline the code into insn_cost ().
10953         (insn_cost): Update to use new scheduler dependencies lists.  Move
10954         processing of the dependency cost to dep_cost ().
10955         (dep_cost): New function.  Use it instead of insn_cost () when
10956         evaluating cost of the dependency.  Use compatible interface to
10957         interact with the target.
10958         (priority): Update to use new scheduler dependencies lists.
10959         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
10960         with greater number of insns that depend on the insn.
10961         (schedule_insn): Update to use new scheduler dependencies lists.  Add
10962         code to free backward dependencies lists.  Inline and optimize code
10963         from resolve_dep () - see PR28071.
10964         (ok_for_early_queue_removal): Update to use new scheduler dependencies
10965         lists.  Update call to targetm.sched.is_costly_dependence hook.
10967         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
10968         scheduler dependencies lists.
10970         (resolve_dep): Remove.  Move the logic to schedule_insn ().
10971         (init_h_i_d): Initialize dependencies lists.
10973         (process_insn_depend_be_in_spec): Rename to
10974         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
10975         dependencies lists.
10976         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
10977         Update to use new scheduler dependencies lists.
10978         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
10980         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
10981         new scheduler dependencies lists.
10982         (build_intra_loop_deps): Ditto.
10984         * target.h (struct _dep): Declare to use in
10985         gcc_target.sched.is_costly_dependence.
10986         (struct gcc_target.sched.adjust_cost): Fix typo.
10987         (struct gcc_target.sched.is_costly_dependence): Change signature to use
10988         single dep_t parameter instead of an equivalent triad.
10989         (struct gcc_target.sched.adjust_cost_2): Remove.
10991         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
10993         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
10995         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
10996         documentation.
10997         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
10999         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
11000         (REG_DEP_TRUE): Document.
11002         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
11003         Change signature to correspond to the targetm.sched.adjust_cost hook.
11004         Update use in TARGET_SCHED_ADJUST_COST_2.
11005         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
11006         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
11007         new scheduler dependencies lists.
11008         (ia64_gen_check): Ditto.
11010         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
11011         dependencies lists.
11013         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
11014         signature to correspond to the targetm.sched.is_costly_dependence hook.
11015         (is_costly_group): Update to use new scheduler dependencies lists.
11017         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
11018         instead of INSN_COST () macro.
11020 2007-02-01  Ian Lance Taylor  <iant@google.com>
11022         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
11024 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
11026         * pa.md (tp_load): Correct mfctl instruction syntax.
11028 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
11030         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
11031         altivec_padding_size calculation on AIX.  Improve comment, add
11032         assert to verify that it's right.
11034         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
11035         64-bit.
11037 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
11039         PR inline-asm/28686
11040         * global.c (global_alloc): Add mising initialization of
11041         ELIMINABLE_REGSET.
11043 2007-02-01  Roger Sayle  <roger@eyesopen.com>
11045         * alias.c (init_alias_analysis): Correct whitespace.
11046         * bb-reorder.c (fix_edges_for_rarely_executed_code,
11047         partition_hot_cold_basic_blocks): Likewise.
11048         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
11049         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
11050         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
11051         fold_builtin_snprintf_chk, fold_builtin_printf,
11052         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
11053         do_mpfr_arg3, do_mpfr_sincos): Likewise.
11054         * cfgcleanup.c (cleanup_cfg): Likewise.
11055         * cfgexpand.c (tree_expand_cfg): Likewise.
11056         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
11057         * function.c (get_next_funcdef_no): Likewise.
11058         * gengtype.c (main): Likewise.
11059         * genmodes.c (main): Likewise.
11060         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
11061         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
11062         * ifcvt.c (noce_emit_move_insn): Likewise.
11063         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
11064         Likewise.
11065         * stor-layout.c (get_best_mode): Likewise.
11066         * tree-ssa-loop-niter.c (get_val_for): Likewise.
11067         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
11068         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
11069         perform_var_substitution, solve_graph): Likewise.
11070         * tree-vrp.c (vrp_finalize): Likewise.
11072 2007-02-01  Ian Lance Taylor  <iant@google.com>
11074         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
11075         high part of a paradoxical subreg, return a constant zero.
11077 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
11079         * toplev.c (lang_dependent_init): Call init_set_costs.
11080         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
11082 2007-02-01  Richard Guenther  <rguenther@suse.de>
11084         PR middle-end/30656
11085         * fold-const.c (fold_negate_expr): Allow negating a
11086         constant if overflow does not change.
11088 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11090         * doc/c-tree.texi (Expression trees): Improve markup.
11091         * doc/tm.texi (Register Classes, Addressing Modes)
11092         (Floating Point): Fix spacing after abbreviations.  Fix some
11093         typos.
11095 2007-02-01  Ben Elliston  <bje@au.ibm.com>
11097         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
11098         * doc/contrib.texi: Likewise.
11099         * doc/install.texi: Likewise.
11101 2007-01-31  Richard Henderson  <rth@redhat.com>
11102             Ian Lance Taylor  <iant@google.com>
11104         * lower-subreg.c: New file.
11105         * rtl.def (CONCATN): Define.
11106         * passes.c (init_optimization_passes): Add pass_lower_subreg and
11107         pass_lower_subreg2.
11108         * emit-rtl.c (update_reg_offset): New static function, broken out
11109         of gen_rtx_REG_offset.
11110         (gen_rtx_REG_offset): Call update_reg_offset.
11111         (gen_reg_rtx_offset): New function.
11112         * regclass.c: Revert patch of 2006-03-05, restoring
11113         reg_scan_update.
11114         (clear_reg_info_regno): New function.
11115         * dwarf2out.c (concatn_loc_descriptor): New static function.
11116         (loc_descriptor): Handle CONCATN.
11117         * common.opt (fsplit_wide_types): New option.
11118         * opts.c (decode_options): Set flag_split_wide_types when
11119         optimizing.
11120         * timevar.def (TV_LOWER_SUBREG): Define.
11121         * rtl.h (gen_reg_rtx_offset): Declare.
11122         (reg_scan_update): Declare.
11123         * regs.h (clear_reg_info_regno): Declare.
11124         * tree-pass.h (pass_lower_subreg): Declare.
11125         (pass_lower_subreg2): Declare.
11126         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
11127         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
11128         -fsplit-wide-types.
11129         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
11130         * Makefile.in (OBJS-common): Add lower-subreg.o.
11131         (lower-subreg.o): New target.
11133 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
11135         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
11137 2007-01-31  Anatoly Sokolov <aesok@post.ru>
11139         PR target/19087
11140         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
11142 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11144         PR middle-end/29335
11145         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
11147 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
11149         * cfgloop.h: Include vec-prim.h.
11150         (enum li_flags): Remove LI_ONLY_OLD.
11151         (loop_iterator): Changed.
11152         (fel_next, fel_init): Iterate over loop tree.
11153         (FOR_EACH_LOOP_BREAK): New macro.
11154         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
11155         FOR_EACH_LOOP.
11156         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
11157         * modulo-sched.c (sms_schedule): Ditto.
11158         * tree-vectorizer.c (vectorize_loops): Ditto.
11159         * doc/loop.texi: Update information on loop numbering and behavior of
11160         FOR_EACH_LOOP wrto new loops.
11161         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11162         add_to_evolution_1): Test nestedness of loops instead of comparing
11163         their numbers.
11164         * tree-chrec.c (chrec_fold_plus_poly_poly,
11165         chrec_fold_multiply_poly_poly, chrec_evaluate,
11166         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
11167         reset_evolution_in_loop): Ditto.
11168         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
11170 2007-01-31  Dirk Mueller  <dmueller@suse.de>
11172         * c-common.c (warn_about_parentheses): Separate warning about
11173         un-parenthized sequence of comparison operators from the one
11174         which is supposed to warn about x <= y <= z.
11176 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
11178         * optabs.h (enum optab_index): Add new OTI_isinf.
11179         (isinf_optab): Define corresponding macro.
11180         * optabs.c (init_optabs): Initialize isinf_optab.
11181         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
11182         patterns.
11183         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
11184         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
11185         using isinf_optab.
11186         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
11187         expand_builtin_interclass_mathfn.
11188         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
11189         * config/i386/i386.md (UNSPEC_FXAM): New constant.
11190         (fxam<mode>2_i387): New insn pattern.
11191         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
11192         built-in functions as x87 inline asm.
11194 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
11196         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
11198 2007-01-30  Eric Christopher  <echristo@apple.com>
11200         * config.gcc: Add geode.
11202 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
11204         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
11205         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
11206         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
11207         value-prof.c: Fix comment typos.
11209 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11211         PR c++/24745
11212         * doc/invoke.texi (Wpointer-arith): Document warning.
11214 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
11216         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
11217         the list of discrepancies from the draft TR.
11219 2007-01-30  Dirk Mueller  <dmueller@suse.de>
11221         PR c++/30601
11222         * doc/invoke.texi (-Wreturn-type): Update description to
11223         match new behavior.
11225 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
11227         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
11229 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
11231         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
11232         to handle optabs that operate on floating point input argument and
11233         output to integer output.
11234         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
11235         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
11236         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
11237         expand_builtin_interclass_mathfn ().
11238         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
11239         (ilogbsi2): Remove.
11240         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
11241         ilogbl built-in functions as x87 intrinsics.
11243 2007-01-30  Richard Guenther  <rguenther@suse.de>
11245         PR middle-end/27657
11246         * dwarf2out.c (reference_to_unused): Query varpool if the
11247         variable was output.
11249 2007-01-30  Richard Guenther  <rguenther@suse.de>
11251         PR middle-end/30313
11252         * passes.c (execute_one_pass): Reset in_gimple_form to not
11253         confuse non-unit-at-a-time mode.
11255 2007-01-29  Roger Sayle  <roger@eyesopen.com>
11256             Richard Guenther  <rguenther@suse.de>
11258         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
11259         avoid undefined behaviour on overflow.  Use force_fit_type_double
11260         to construct the constant with the specified TREE_OVERFLOW.
11262 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
11264         * config/dfp-bit.c: Add parameterized support for fp exceptions.
11265         * config/dfp-bit.h: Ditto.
11267 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11269         * c-decl.c (pop_scope): Replace warnings with call to
11270         warn_for_unused_label.
11271         * c-common.h (warn_for_unused_label): Declare.
11272         * c-common.c (warn_for_unused_label): Define.
11274 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11276         * tree-optimize.c (update_inlined_to_pointers): Delete unused
11277         function.
11279 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
11281         * Makefile.in (USER_H): Remove decfloat.h.
11282         * ginclude/decfloat.h: Delete, moving contents to ...
11283         * ginclude/float.h: Add support for decimal floating point,
11284         guarded by __STDC_WANT_DEC_FP__.
11286 2007-01-29  Mike Stump  <mrs@apple.com>
11288         * doc/gccint.texi (Top): Rename Loop Representation to Loop
11289         Analysis and Representation to resolve case insensitive conflict.
11290         * doc/loop.texi (Loop Analysis and Representation): Likewise.
11292 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
11294         * tree.h (struct tree_memory_tag): Add aliases member.
11295         (MTAG_ALIASES): New macro.
11296         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
11297         (add_may_alias): Remove pointer-set. Update for may_aliases being
11298         a bitmap.
11299         (mark_aliases_call_clobbered): Update for may_aliases being a
11300         bitmap.
11301         (compute_tag_properties): Ditto.
11302         (create_partition_for): Ditto.
11303         (compute_memory_partitions): Ditto.
11304         (dump_may_aliases_for): Ditto.
11305         (is_aliased_with): Ditto.
11306         (add_may_alias_for_new_tag): Ditto.
11307         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
11308         (compute_is_aliased): New function.
11309         (compute_may_aliases): Call compute_is_aliased).
11310         (init_alias_info): Initialize alias_bitmap_obstack.
11311         (union_alias_set_into): New function.
11312         (compute_flow_sensitive_aliasing): Use union_aliases_into.
11313         (have_common_aliases_p): Rewrite to take two bitmaps and use
11314         intersection.
11315         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
11316         Update for bitmaps.
11317         (finalize_ref_all_pointers): Update for add_may_alias changes.
11318         (new_type_alias): Ditto.
11319         * tree-flow-inline.h (may_aliases): Return a bitmap.
11320         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
11321         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
11322         may_aliases being a bitmap.
11323         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
11324         may_aliases now returns a bitmap.
11325         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
11326         being a bitmap.
11327         * tree-ssa-operands.c (add_virtual_operand): Update for
11328         may_aliases being a bitmap.
11330 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
11332         PR tree-optimization/30630
11333         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
11334         variable as changed.
11336 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
11338         PR c++/28266
11339         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
11340         expanded only once even if an error occurs.
11342 2007-01-29  Ben Elliston  <bje@au.ibm.com>
11344         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
11345         (__gcov_average_profiler): Likewise.
11346         (__gcov_ior_profiler): Likewise.
11347         (__gcov_merge_ior): Likewise.
11349 2007-01-28  Jan Hubicka  <jh@suse.cz>
11351         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
11352         * value-prof.c (stringop_block_profile): Likewise.
11354 2007-01-28  Jan Hubicka  <jh@suse.cz>
11356         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
11357         variant handling histograms; add wrapper.
11358         (clear_storage_via_libcall): Export.
11359         (emit_block_move_hints): Break out from ...; add histograms.
11360         (emit_block_move): ... this one.
11361         (clear_storage_hints): Break out from ...; add histograms.
11362         (clear_storage): ... this one.
11363         (set_storage_via_memset): Handle histogram.
11364         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
11365         (clear_storage_hints, clear_storage_via_libcall): Declare.
11366         (set_storage_via_setmem): Update prototype.
11367         * doc/md.texi (movmem, setmem): Document new arguments.
11369         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
11370         new histograms.
11371         (stringop_block_profile): New global function.
11372         (tree_stringops_values_to_profile): Profile block size and alignment.
11373         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
11374         HIST_TYPE_IOR.
11375         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
11376         (stringop_block_profile): Declare.
11377         * builtins.c: Include value-prof.h.
11378         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
11379         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
11380         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
11381         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
11382         * profile.c (instrument_values): Add new counters.
11383         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
11384         calls.
11385         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
11386         (tree_init_edge_profiler): Build new profilers.
11387         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
11388         (pass_tree_profile): Add dump.
11389         (tree_profile_hooks): Update.
11390         * Makefile.in (LIBGCOV): Add new constants.
11391         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
11392         __gcov_ior_profiler): New.
11393         * i386.md (movmem/setmem expanders): Add new optional arguments.
11395 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
11397         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
11399 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
11401         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
11402         (tree_unswitch_single_loop): Pass eni_size_weights to
11403         tree_num_loop_insns.
11404         * tree-ssa-loop-manip.c: Include tree-inline.h.
11405         (can_unroll_loop_p): Pass eni_size_weights to
11406         tree_num_loop_insns.
11407         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
11408         Pass eni_size_weights to estimate_num_insns.
11409         * tree.h (init_inline_once): Export.
11410         * toplev.c (backend_init): Call init_inline_once.
11411         * cgraphunit.c (cgraph_process_new_functions,
11412         cgraph_analyze_function): Pass eni_inlining_weights to
11413         estimate_num_insns.
11414         * ipa-inline.c (compute_inline_parameters): Ditto.
11415         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
11416         to estimate_num_insns.
11417         (try_unroll_loop_completely): Pass eni_size_weights to
11418         tree_num_loop_insns.
11419         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
11420         ot estimate_num_insns.
11421         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
11422         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
11423         * tree-inline.c (eni_inlining_weights, eni_size_weights,
11424         eni_time_weights): New variables.
11425         (init_inline_once): Initialize them.
11426         (struct eni_data): Mew.
11427         (estimate_num_insns_1, estimate_num_insns): Use weights.
11428         * tree-inline.h (struct eni_weights_d): New.
11429         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
11430         (estimate_num_insns): Declaration changed.
11431         * cfgloop.h (tree_num_loop_insns): Declaration changed.
11432         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
11433         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
11435 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
11437         * tree-data-ref.c (conflict_fn): Assert that the number of affine
11438         relations in the conflict function is valid.
11440 2007-01-27  Ian Lance Taylor  <iant@google.com>
11442         * common.opt: Add fstrict-overflow.
11443         * opts.c (decode_options): Set flag_strict_overflow if -O2.
11444         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
11445         (TYPE_OVERFLOW_UNDEFINED): Define.
11446         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
11447         Replace all uses.
11448         * tree.h (TYPE_TRAP_SIGNED): Don't define.
11449         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
11450         (fold_negate_expr): Likewise.
11451         (make_range): Likewise.
11452         (extract_muldiv_1): Likewise.
11453         (maybe_canonicalize_comparison): Likewise.
11454         (fold_comparison): Likewise.
11455         (fold_binary): Likewise.
11456         (tree_expr_nonnegative_p): Likewise.
11457         (tree_expr_nonzero_p): Likewise.
11458         * tree-vrp.c (compare_values): Likewise.
11459         (extract_range_from_binary_expr): Likewise.
11460         (extract_range_from_unary_expr): Likewise.
11461         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
11462         Likewise.
11463         (nowrap_type_p): Likewise.
11464         * tree-scalar-evolution.c (simple_iv): Likewise.
11465         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
11466         (build_range_check): Likewise.
11467         (extract_muldiv_1): Likewise.
11468         (fold_comparison): Likewise.
11469         * tree-vrp.c (vrp_int_const_binop): Likewise.
11470         (extract_range_from_unary_expr): Likewise.
11471         * convert.c (convert_to_integer): Likewise.
11472         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
11473         (fold_comparison): Likewise.
11474         (fold_binary): Likewise.
11475         * optabs.c (optab_for_tree_code): Likewise.
11476         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
11477         * simplify-rtx.c (simplify_const_relational_operation): Check
11478         flag_strict_overflow and flag_trapv.
11479         (simplify_const_relational_operation): Likewise.
11480         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
11481         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
11482         -fstrict-overflow.
11484 2007-01-27  Roger Sayle  <roger@eyesopen.com>
11486         * tree.c (tree_fold_gcd): Delete.
11487         * tree.h (tree_fold_gcd): Remove prototype.
11488         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
11489         test whether one constant integer is a multiple of another.  Instead
11490         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
11491         * fold-const.c (multiple_of_p):  We've determined both TOP and
11492         BOTTOM are integer constants so we can call int_const_binop directly
11493         instead of the more generic const_binop.
11495 2007-01-27  Roger Sayle  <roger@eyesopen.com>
11497         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
11498         1*X check that the constant hasn't overflowed, to preserve the
11499         TREE_OVERFLOW bit.
11500         (round_up): Provide an efficient implementation when rouding-up an
11501         INTEGER_CST to a power-of-two.
11503 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11505         * doc/sourcebuild.texi: Add comma for clarity.
11506         * doc/extend.texi: Fix some typos.
11507         * doc/passes.texi: Likewise.
11508         * doc/cppinternals.texi: Likewise.
11509         * doc/c-tree.texi: Likewise.
11510         * doc/tree-ssa.texi: Likewise.
11511         * doc/install.texi: Likewise.
11513 2007-01-27  Jan Hubicka  <jh@suse.cz>
11515         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
11516         (pass_sra): Do not require alias information.
11517         * passes.c (init_optimization_passes): Add SRA
11519 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
11521         * tracer.c (rest_of_handle_tracer): We already cleaned
11522         up the CFG in tracer() so don't do it here again.
11523         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
11524         cleanup_cfg here, either.  And don't call renumber_insns.
11526         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
11527         and BB_HEAD are in the insn stream here.  Instead make sure
11528         that BB_INSN is valid on all insns.  Also, do check here that
11529         there are no pending branch predictions...
11530         (rtl_verify_flow_info): ...instead of doing it here.  Checks
11531         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
11532         here.
11534 2007-01-26  Roger Sayle  <roger@eyesopen.com>
11536         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
11537         function to simplify/factorize operand order canonicalization.
11538         (ix86_fixup_binary_operands): Reorganize using the above function.
11539         (ix86_binary_operator_ok): Likewise.
11541 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
11543         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
11544         file scope from optimize_attrs.
11545         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
11546         up search.
11547         (optimize_attrs): Clear insn_code_values after freeing it.
11549 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
11551         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
11552         a parts.base assignment.
11554 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
11556         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
11557         (compute_subscript_distance, initialize_data_dependence_relation,
11558         finalize_ddr_dependent, analyze_ziv_subscript,
11559         analyze_siv_subscript_cst_affine,
11560         compute_overlap_steps_for_affine_univar,
11561         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
11562         analyze_siv_subscript, analyze_miv_subscript,
11563         analyze_overlapping_iterations, subscript_dependence_tester_1,
11564         compute_self_dependence, free_dependence_relation): Work
11565         with affine_fn instead of chrecs.
11566         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
11567         common_affine_function, affine_function_base,
11568         affine_function_constant_p, affine_fn_op, affine_fn_plus,
11569         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
11570         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
11571         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
11572         (all_chrecs_equal_p): Removed.
11573         * tree-data-ref.h (affine_fn, conflict_function): New types.
11574         (struct subscript): Change type of conflicting_iterations_in_a
11575         and conflicting_iterations_in_b.
11577 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
11579         PR other/30182
11580         * config/pa/pa.h (TARGET_HPUX_11): New.
11581         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
11582         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
11584 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
11585         Richard Guenther  <rguenther@suse.de>
11587         * tree-ssa-structalias.c (solve_graph): Handle case
11588         we merged the variable to another.
11590 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11592         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
11593         functions.
11595         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
11596         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
11598 2007-01-25  DJ Delorie  <dj@redhat.com>
11600         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
11601         allow changes to modes which don't fit in those registers.
11603         * reload1.c (choose_reload_regs): Check for invalid subregs before
11604         computing their locations, not after.
11606 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
11608         PR 25127
11609         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
11610         save Altivec registers in an eh_return function.
11611         (compute_vrsave_mask): Likewise.
11612         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
11613         for saving Altivec registers.
11614         (rs6000_emit_prologue): Don't allocate stack twice in
11615         eh_return function.  Correct expected value of altivec_save_offset
11616         when using save_world.  Describe save of R0 to stack when using
11617         save_world.  Describe stack pointer adjustment when using
11618         save_world.  Remove duplicated eh_return parameter register saving.
11619         Update sp_offset variable after save_world.
11620         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
11621         darwin-world.asm.
11622         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
11623         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
11624         implies Altivec.
11626 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
11628         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
11630 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
11632         PR other/30182
11633         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
11634         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
11636 2007-01-25  Richard Guenther  <rguenther@suse.de>
11638         * doc/invoke.texi (-Wcoverage-mismatch): Document.
11639         * common.opt (-Wcoverage-mismatch): New warning option.
11640         * coverage.c (get_coverage_counts): Ignore coverage mismatch
11641         if -Wcoverage-mismatch is given.
11643 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
11645         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
11646         (ipcp_driver): Change to static definition.
11647         Add dumping of the ifunctions.
11648         (constant_val_insert): Remove unused parameter. Support for SSA.
11649         (ipcp_propagate_const): Support for SSA.
11650         (ipcp_profile_bb_print): Print only analyzed nodes.
11651         (ipcp_replace_map_create): Remove support for Fortran constant
11652         for now.
11653         * ipa-prop.c (ipa_method_modify_stmt,
11654         ipa_callsite_compute_param): Support for SSA.
11655         * ipa-prop.h (ipcp_driver): Remove declaration.
11656         (IS_VALID_TREE_MAP_INDEX): Add define.
11658 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
11660         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
11662 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11664         PR middle-end/30447
11665         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
11666         constant argument to cabs and do it without checking for
11667         -funsafe-math-optimizations.
11669 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
11671         * c-common.h (RID_FIRST_CXX0X): New.
11672         (RID_LAST_CXX0X): New.
11673         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
11674         by -Wall.
11675         * c.opt (Wc++0x-compat): New.
11676         * doc/invoke.texi (-Wc++0x-compat): Document.
11678 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11680         * builtins.c (fold_builtin_carg): New.
11681         (fold_builtin_1): Use it.
11683 2007-01-24  Jan Hubicka  <jh@suse.cz>
11685         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
11687         * ipa-inline.c (initial_insns, max_insns): Delete.
11688         (compute_max_insns): New function.
11689         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
11690         of insns as base for code growth.
11691         (cgraph_decide_inlining): Make initial_insns local; do not compute
11692         max_insns.
11693         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
11694         * doc/invoke.texi (inline-unit-growth): Update docs.
11696 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
11698         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
11699         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
11700         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
11701         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
11702         for CPUs that have PTA_CX16 set.
11704         PR middle-end/27416
11705         * gimplify.c (omp_check_private): New function.
11706         (gimplify_scan_omp_clauses): Use it for
11707         firstprivate/lastprivate/reduction.
11709         PR middle-end/30494
11710         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
11711         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
11713         PR middle-end/30421
11714         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
11715         If lower_lastprivate_clauses emits some statements, append them
11716         to dlist rather than body_p and to body_p append an initializer.
11717         (lower_omp_for): Adjust caller.
11719 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
11721         * target.h (globalize_decl_name): New.
11722         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
11723         * output.h (default_globalize_decl_name): New.
11724         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
11725         globalize_label.
11726         (globalize_decl): Ditto.
11727         (default_globalize_decl_name): New.
11728         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
11729         (ia64_handle_version_id_attribute): New.
11730         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
11731         (ia64_asm_output_external): Use globalize_decl_name instead
11732         of globalize_label.
11733         * doc/extend.texi (version_id): New pragma.
11734         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
11736 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
11738         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
11739         _uleb128_t and _Unwind_SWord with _sleb128_t.
11740         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
11741         uw_frame_state_for, uw_update_context_1): Likewise.
11742         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
11743         * unwind-pe.h (read_uleb128, read_sleb128,
11744         read_encoded_value_with_base): Likewise.
11745         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
11747 2007-01-24  Richard Guenther  <rguenther@suse.de>
11749         * builtins.c (expand_builtin_cexpi): Get the fndecl
11750         for cexp in the correct way.
11752 2007-01-24  Jan Hubicka  <jh@suse.cz>
11754         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
11756 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
11758         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
11759         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
11760         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
11761         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
11762         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
11763         __SIZEOF_PTRDIFF_T__.
11764         * doc/cpp.texi: Documentation for the new builtin macros added.
11766 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
11768         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
11769         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
11770         instead of operands[2] to avoid access past the end of array.
11772 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
11774         * reload1.c (emit_reload_insns): Pass the reload register
11775         for a non-spill output reload through forget_old_reloads_1.
11777 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
11779         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
11780         _SOFT_DOUBLE if doubles use software floating-point.
11781         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
11782         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
11783         * config/rs6000/darwin-ldouble.c: Also compile functions for
11784         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
11785         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
11786         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
11787         commented-out long double override.
11788         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
11789         * config/rs6000/eabispe.h: Likewise.
11790         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
11791         long double for non-SPE.
11792         (rs6000_handle_option): Likewise.
11793         (invalid_e500_subreg): Disallow more subregs involding DImode,
11794         DFmode, TImode or TFmode.
11795         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
11796         E500 double.
11797         (legitimate_lo_sum_address_p): Also check for TFmode for E500
11798         double.
11799         (rs6000_legitimize_address): Also handle TFmode for E500 double.
11800         (rs6000_legitimize_reload_address): Also handle TFmode for E500
11801         double.
11802         (rs6000_legitimate_address): Also check for TFmode for E500
11803         double.
11804         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
11805         (spe_build_register_parallel): Handle TFmode and TCmode.
11806         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
11807         double.
11808         (function_arg): Handle TFmode and TCmode for E500 double.
11809         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
11810         in general.
11811         (print_operand): Handle TFmode and TImode for %y.
11812         (rs6000_generate_compare): Handle TFmode comparisons for E500
11813         double.
11814         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
11815         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
11816         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
11817         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
11818         TFmode for E500 double.
11819         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
11820         (floatsidf2): Enable for E500 double.
11821         (movtf_softfloat): Use rs6000_nonimmediate_operand.
11822         (extenddftf2): Change to extenddftf2_fprs.
11823         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
11824         depending on TARGET_E500_DOUBLE.
11825         (extendsftf2): Enable for E500 double.
11826         (trunctfdf2): Enable for E500 double.
11827         (trunctfsf2): Change to trunctfsf2_fprs.
11828         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
11829         depending on TARGET_E500_DOUBLE.
11830         (floatsitf2): Enable for E500 double.
11831         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
11832         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
11833         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
11834         (negtf2): Change to negtf2_internal.
11835         (negtf2): New expander.
11836         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
11837         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
11838         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
11839         (movdi_internal32): Use rs6000_nonimmediate_operand.
11840         (unnamed splitter): Likewise.
11841         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
11842         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
11843         (SPE64TF, DITI): New mode macros.
11844         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
11845         modes.
11846         (frob_tf_ti): New.
11847         (frob_<mode>_di_2): New.
11848         (frob_tf_di_8_2): New.
11849         (frob_di_df): Change to frob_di_<mode>; allow more modes.
11850         (frob_ti_tf): New.
11851         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
11852         more modes.
11853         (frob_ti_<mode>_8_2): New.
11854         (frob_ti_tf_2): New.
11855         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
11856         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
11857         TFmode.
11858         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
11859         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
11860         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
11861         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
11862         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
11863         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
11864         tsttflt_gp): New.
11866 2007-01-23  Ian Lance Taylor  <iant@google.com>
11868         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
11869         insn-*.o first.
11870         (OBJS-archive): Reformat, alphabetize.
11871         (OBJS): Change out_object_file to OBJS-md.
11873 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
11875         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
11876         JUMP_P and CALL_P predicates where applicable.
11877         * config/i386/i386.c: Ditto.
11878         * config/i386/i386.md: Ditto.
11879         * config/i386/mmx.md: Ditto.
11880         * config/i386/predicates.md: Ditto.
11882 2007-01-22  Andreas Schwab  <schwab@suse.de>
11884         * config/m68k/m68k.h: Fix comment.
11886 2007-01-22  Jan Hubicka  <jh@suse.cz>
11888         * passes.c (init_optimization_passes): Do not rerun
11889         pass_early_warn_uninitialized.
11891 2007-01-22  Richard Guenther  <rguenther@suse.de>
11893         PR tree-optimization/30038
11894         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
11895         function.
11896         (execute_cse_sincos_1): Likewise.
11897         (execute_cse_sincos): Likewise.
11898         (gate_cse_sincos): Likewise.
11899         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
11900         the cexpi() canonicalization of sincos().
11901         * tree-pass.h (pass_cse_sincos): Declare.
11902         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
11904 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
11906         PR rtl-optimization/29329
11907         * combine.c (replaced_rhs_insn): Rename to i2mod.
11908         (replaced_rhs_value): Rename to i2mod_new_rhs.
11909         (i2mod_old_rhs): New global variable.
11910         (combine_instructions): Adjust for above change.  Save a copy of
11911         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
11912         note are substituted in the second instruction.
11913         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
11914         ditch the note if it pertains to the second eliminated register
11915         and this register is mentioned in i2mod_old_rhs.
11917         Revert:
11918         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
11920         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
11921         the insn to which the note was originally attached.
11923 2007-01-21  Jan Hubicka  <jh@suse.cz>
11925         * ipa-inline.c (inlining_mode): Comment, move up.
11926         (cgraph_decide_inlining_incrementally): Do not perform inlining
11927         itself; fix handling of flattening of self recursive functions.
11928         (cgraph_find_cycles): Remove.
11929         (cgraph_flatten_node): Remove.
11930         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
11931         (try_inline): New function.
11932         (cgraph_early_inlining): Update call of
11933         cgraph_decide_inlining_incrementally.  Apply inlining here.
11934         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
11936 2007-01-21  Dirk Mueller  <dmueller@suse.de>
11938         PR bootstrap/30511
11939         * tree-vrp.c (check_array_bounds): do not warn
11940         about ADDR_EXPR's of ARRAY_REF's which are immediately
11941         used in binary expressions.
11943 2007-01-21  Ira Rosen  <irar@il.ibm.com>
11945         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
11946         read_write_dep and macros for its access.
11947         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
11948         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
11949         argument, call vect_check_interleaving for every independent pair of
11950         data-refs. Mark loads that access the same memory location as a store
11951         in the loop.
11952         (vect_check_dependences): Remove.
11953         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
11954         call, fix the call to vect_analyze_data_ref_dependence.
11955         (vect_analyze_data_ref_access): For statements that access the same
11956         data-ref, check that they are not stores; for loads, check that there
11957         is no store that access the same location.
11959 2007-01-20  Roger Sayle  <roger@eyesopen.com>
11960             Joseph Myers  <joseph@codesourcery.com>
11962         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
11963         (-fdump-rtl-stack): Likewise.
11964         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
11965         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
11966         (-mpt-fixed): Use @minus{} for minus sign.
11967         (Using Precompiled Headers): Fix under/overfull hbox.
11969 2007-01-20  Jan Hubicka  <jh@suse.cz>
11971         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
11972         place within annotation.
11974 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11976         * pa.c (output_move_double): Change array size of xoperands to 4.
11978 2007-01-20  Jan Hubicka  <jh@suse.cz>
11980         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
11981         as temporary.
11983 2007-01-19  Ian Lance Taylor  <iant@google.com>
11985         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
11986         constant to unsigned HOST_WIDE_INT before negating.
11988 2007-01-19  Ian Lance Taylor  <iant@google.com>
11990         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
11991         to unsigned.
11992         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
11993         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
11994         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
11995         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
11996         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
11997         (realloc_vdef, realloc_vuse): Change second parameter to
11998         unsigned.
11999         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
12000         fields to unsigned.
12001         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
12002         unsigned. Change x and lim locals to unsigned.
12003         (realloc_vdef, realloc_vuse): Change num_elem parameter to
12004         unsigned.
12005         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
12006         (copy_virtual_operands): Change i and n locals to unsigned.
12008 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12010         PR middle-end/29335
12011         * builtins.c (fold_builtin_1): Handle builtin fdim.
12013 2007-01-20  Jan Hubicka  <jh@suse.cz>
12015         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
12016         * tree-ssa-structalias.c (compute_points_to_sets): Do call
12017         init_alias_heapvars.
12018         (init_alias_heapvars): Initialize only when not already initialized.
12019         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
12021 2007-01-19  Roger Sayle  <roger@eyesopen.com>
12023         * common.opt (fsigned-zeros): New command line option.
12024         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
12025         of flag_unsafe_math_optimizations.
12026         * opts.c (set_fast_math_flags): The -ffast-math command line option
12027         implies -fno-signed-zeros.
12028         (fast_math_flags_set_p): Likewise.
12030         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
12031         the documentation of -ffast-math appropriately.  Wrap long lines.
12033 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
12035         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
12036         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
12038 2007-01-19  Tomas Bily  <tbily@suse.cz>
12040         * cgraphunit.c (cgraph_finalize_function): Updating of pid
12041         * tree-profile.c:
12042         (tree_init_ic_make_global_vars): New function
12043         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
12044         (tree_gen_ic_profiler): New function
12045         (tree_gen_ic_func_profiler): New function
12046         (tree_profiling): Added calling of tree_gen_ic_func_profiler
12047         (tree_profile_hooks): Added hook for indirec/virtual calls
12048         * value-prof.c (tree_find_values_to_profile): New case for
12049         indirect calls
12050         (tree_values_to_profile): Call for determining indirect/virtual
12051         counters
12052         (tree_indirect_call_to_profile): New function
12053         (tree_ic_transform): New function
12054         (tree_ic): New function
12055         (find_func_by_pid): New function
12056         (init_pid_map): New function
12057         (tree_value_profile_transformations): Added check for
12058         indirect/virtual call transformation
12059         * value-prof.h (enum hist_type): New counter type for
12060         indirect/virtual calls
12061         (profile_hooks): Added new hook for profiling indirect/virtual
12062         calls
12063         * profile.c (instrument_values): New case for indirect/virtual
12064         call added
12065         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
12066         (GCOV_COUNTER_V_INDIR): New counter type
12067         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
12068         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
12069         call added
12070         * cgraph.c: Definition of cgraph_max_pid
12071         (cgraph_create_node): Default init of pid attribute
12072         * cgraph.h: Declaration of cgraph_max_pid
12073         (struct cgraph_node): Added pid attribute
12074         * libgcov.c (__gcov_indirect_call_profiler): New function
12075         (__gcov_one_value_profiler_body): New function
12076         (__gcov_one_value_profiler): Body was moved to
12077         __gcov_one_value_profiler_body and calls it
12079 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
12081         * doc/gty.texi (Options): Document the mark_hook option to GTY.
12082         * gengtype.c (write_types_data, write_func_for_structure,
12083         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
12084         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
12085         (walk_type, write_func_for_structure): Generate the mark_hook if
12086         needed.
12088 2007-01-19  Jan Hubicka  <jh@suse.cz>
12090         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
12091         'early' argument take inlining mode argument specifying whether to
12092         inline for size/speeed or all functions; add support for flattening;
12093         improve dumpting.
12094         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
12096 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12098         PR c++/17947
12099         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
12100         the name of the declared identifier.
12102 2007-01-19  Dirk Mueller  <dmueller@suse.de>
12104         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
12105         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
12106         duplicate evaluation.
12108 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
12110         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
12111         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
12112         to XFMode, use acosxf2 and truncate result to requested mode.
12113         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
12114         (asin<mode>2): Similarly, with asin expanders.
12115         (*fscalexf4_i387): Rename from *fscalexf4.
12116         (expNcorexf3): New expander.
12117         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
12118         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
12119         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
12120         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
12121         patterns for SSE math.
12122         (exp10<mode>2): Similarly, with exp10 expanders.
12123         (exp2<mode>2): Similarly, with exp2 expanders.
12124         (expm1<mode>2): Similarly, with expm1 expanders.
12125         (ldexp<mode>3): Similarly, with ldexp expanders.
12126         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
12127         Use gen_truncxf<mode>2_i387_noop to truncate result.
12129 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12131         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
12132         for ColdFire targets.
12134 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
12135             Richard Sandiford  <richard@codesourcery.com>
12137         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
12138         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
12139         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
12140         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
12141         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
12142         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
12144 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12146         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
12147         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
12148         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
12149         (*adddi_dilshr32_cf): New pattern.
12150         (adddi3, subdi3): Remove first alternatives.
12152 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12154         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
12155         implemented using move.l, do not use its cc result for floating-point
12156         comparisons.
12158 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12160         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
12161         from accepting 's' constraints if flag_pic.
12163 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12165         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
12166         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
12167         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
12168         condition from TARGET_68881 to TARGET_HARD_FLOAT.
12170 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
12172         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
12173         ColdFire alternatives.
12174         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
12175         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
12176         architectures that support ff1 instruction.
12178 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12179             Julian Brown  <julian@codesourcery.com>
12181         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
12182         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
12183         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
12184         Add commentary.
12186 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12188         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
12189         and return a bool.
12190         (output_move_const_into_data_reg, output_move_simode_const): Delete.
12191         * config/m68k/m68k.c (const_method, const_int_cost): Take a
12192         HOST_WIDE_INT instead of an rtx.
12193         (m68k_rtx_costs): Update call accordingly.
12194         (output_move_const_into_data_reg): Likewise.  Fix formatting.
12195         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
12196         Return a bool.
12197         (output_move_simode_const): Update calls after above changes.
12198         Rework to use automatic variables and predicates like MEM_P.
12199         * config/m68k/m68k.md (pushexthisi_const): Update call to
12200         valid_mov3q_const.
12202 2007-01-19  Dirk Mueller  <dmueller@suse.de>
12204         * tree-ssa-alias.c (perform_var_substitution): Fix typo
12205         in dump_flags test.
12207 2007-01-19  Richard Guenther  <rguenther@suse.de>
12209         * builtins.c (expand_builtin_cexpi): Fall back to expanding
12210         via cexp in case sincos is not available.
12212 2007-01-19  Richard Guenther  <rguenther@suse.de>
12214         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
12215         * defaults.h (TARGET_HAS_SINCOS): Default to off.
12216         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
12217         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
12218         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
12219         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
12220         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
12221         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
12223 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
12225         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
12226         New insn patterns.
12227         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
12228         (atan2xf3): Directly generate RTL pattern.
12229         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
12230         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
12231         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
12232         disable patterns for SSE math.
12233         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
12234         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
12235         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
12236         disable patterns for SSE math.
12238 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
12240         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
12242 2007-01-18  Roger Sayle  <roger@eyesopen.com>
12244         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
12245         VIEW_CONVERT_EXPR to the same type as it's operand.
12247 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
12249         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
12250         configured for long double 128.
12252 2007-01-18  Mike Stump  <mrs@apple.com>
12254         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
12255         error.
12257 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
12259         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
12260         type correct.
12262 2007-01-18  Jan Hubicka  <jh@suse.cz>
12264         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
12265         greater than NUM_VOP_FREE_BUCKETS.
12267 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
12269         * tree-ssa-structalias.c: Update comments.
12270         (ptabitmap_obstack): Removed.
12271         (pta_obstack): New.
12272         (oldpta_obstack): Ditto.
12273         (stats): Add a few members.
12274         (struct variable_info): Remove node, complex, address_taken, and
12275         indirect_target members. Add oldsolution member.
12276         (new_var_info): Do not initialize removed members.
12277         (constraint_expr_type): Remove INCLUDES.
12278         (constraint_graph): Add size, implicit_preds, rep,
12279         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
12280         (FIRST_REF_NODE): New macro.
12281         (LAST_REF_NODE): Ditto.
12282         (FIRST_ADDR_NODE): Ditto.
12283         (find): New function.
12284         (unite): Ditto.
12285         (dump_constraint): Do not handle INCLUDES.
12286         (insert_into_complex): Do not insert duplicate constraints.
12287         (condense_varmap_nodes): Renamed and rewritten into ...
12288         (merge_node_constraints): This. Also fix bug in handling of
12289         offseted copy constraints.
12290         (clear_edges_for_node): No longer need to deal with preds at all,
12291         or removing associated preds/succs.
12292         (merge_graph_nodes): Deal with indirect_cycles.
12293         Don't deal with predecessors.
12294         (add_implicit_graph_edge): New function.
12295         (add_pred_graph_edge): Ditto.
12296         (add_graph_edge): Don't deal with predecessors.
12297         (build_constraint_graph): Removed.
12298         (build_pred_graph): New function.
12299         (build_succ_graph): Ditto.
12300         (struct scc_info): Removed in_component. Added roots, dfs, and
12301         node_mapping. Remove visited_index, unification_queue.
12302         (scc_visit): Deal with union-find we do now.
12303         Deal with cycles with REF nodes.
12304         (collapse_nodes): Renamed and rewritten to ...
12305         (unify_nodes): This.
12306         (process_unification_queue): Removed.
12307         (topo_visit): Cleanup
12308         (do_da_constraint): Use find.
12309         (do_sd_constraint): Ditto.
12310         (do_ds_constraint): Ditto.
12311         (do_complex_constraint): Ditto.
12312         (init_scc_info): Update for removed and added members.
12313         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
12314         (find_indirect_cycles): This.
12315         (equivalence_class): New variable.
12316         (label_visit): New function.
12317         (perform_variable_substitution): Rewritten.
12318         (free_var_substitution_info): New function.
12319         (find_equivalent_node): Ditto.
12320         (move_complex_constraints): Ditto.
12321         (eliminate_indirect_cycles): Ditto.
12322         (solve_graph): Only propagate changed bits.
12323         Use indirect cycle elimination.
12324         Use find.
12325         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
12326         (tree_id_eq): Renamed to ...
12327         (tree_vi_eq): This. Update for member change
12328         (insert_id_for_tree): Renamed and rewritten to ...
12329         (insert_vi_for_tree): This.
12330         (lookup_id_for_tree): Renamed and rewritten to ...
12331         (lookup_vi_for_tree): This.
12332         (get_id_for_tree): Renamed and rewritten to ...
12333         (get_vi_for_tree): Ditto.
12334         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
12335         (process_constraint): Don't handle INCLUDES.
12336         Remove special ADDRESSOF case.
12337         (find_func_aliases): Rewrite to use vi functions instead of id
12338         ones.
12339         (create_function_info_for): Ditto.
12340         (create_variable_info_for): Ditto.
12341         (intra_create_variable_infos): Ditto.
12342         (merge_smts_into): Ditto.
12343         (find_what_p_points_to): Ditto.
12344         (init_base_vars): Ditto.
12345         (init_alias_vars): Ditto.
12346         (remove_preds_and_fake_succs): New function.
12347         (dump_sa_points_to_info): Dump new stats.
12348         (dump_solution_for_var): Use find.
12349         (set_used_smts): Fix formatting.
12350         (compute_points_to_sets): Updated for new functions.
12351         (ipa_pta_execute): Ditto.
12353 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
12354             Richard Sandiford  <richard@codesourcery.com>
12356         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
12357         parallels.
12358         * calls.c (expand_call): If the return value is a PARALLEL,
12359         extract its first member.
12360         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
12361         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
12362         use FUNCTION_EXTRA_EPILOGUE.
12363         (m68k_function_value): Return a PARALLEL if the return value
12364         is of a pointer type.
12365         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
12366         (FUNCTION_EXTRA_EPILOGUE): Remove.
12367         * config/m68k/m68k.md (D0_REG): New constant.
12369 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
12371         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
12372         output a NOP for empty epilogues.
12374 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
12376         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
12377         before function.  Extend register save check to include all
12378         registers, not just integer ones.
12380 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
12382         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
12383         (m68k_use_return_insn): ...this.
12384         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
12385         * config/m68k/m68k.c (use_return_insn): Rename to...
12386         (m68k_use_return_insn): ...this.
12387         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
12388         of USE_RETURN_INSN.
12390 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
12392         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
12393         nearest even, fix denormal rounding overflow.
12395 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
12397         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
12398         f%$smove and f%$move.
12399         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
12400         (extendsfdf2_cf): Use fdmove instead of f%&move.
12401         (truncdfsf2_cf): Use fsmove instead of f%$smove.
12402         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
12404 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
12406         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
12407         GPR<-GPR moves.
12409 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
12411         * real.h (real_format): Add a canonical_nan_lsbs_set field.
12412         (coldfire_single_format): Declare.
12413         (coldfire_double_format): Likewise.
12414         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
12415         of qnan_msb_set to determine the lower bits of a canonical
12416         NaN significand.
12417         (encode_ieee_double): Likewise.
12418         (encode_ieee_quad): Likewise.
12419         (ieee_single_format): Initialize canonical_nan_lsbs_set.
12420         (mips_single_format): Likewise.
12421         (ieee_double_format): Likewise.
12422         (mips_double_format): Likewise.
12423         (ieee_extended_motorola_format): Likewise.
12424         (ieee_extended_intel_96_format): Likewise.
12425         (ieee_extended_intel_128_format): Likewise.
12426         (ieee_extended_intel_96_round_53_format): Likewise.
12427         (ibm_extended_format): Likewise.
12428         (mips_extended_format): Likewise.
12429         (ieee_quad_format): Likewise.
12430         (mips_quad_format): Likewise.
12431         (vax_f_format): Likewise.
12432         (vax_d_format): Likewise.
12433         (vax_g_format): Likewise.
12434         (i370_single_format): Likewise.
12435         (i370_double_format): Likewise.
12436         (decimal_single_format): Likewise.
12437         (decimal_double_format): Likewise.
12438         (decimal_quad_format): Likewise.
12439         (c4x_single_format): Likewise.
12440         (c4x_extended_format): Likewise.
12441         (real_internal_format): Likewise.
12442         (coldfire_single_format): New real_format.
12443         (coldfire_double_format): Likewise.
12444         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
12445         canonical_nan_lsbs_set.
12446         (pdp11_d_format): Likewise.
12447         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
12448         if TARGET_COLDFIRE_CPU.
12450 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
12452         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
12453         (output_call, m68k_legitimize_call_address): Declare.
12454         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
12455         parenthesees.  Add support for a 'W' constraint.
12456         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
12457         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
12458         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
12459         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
12460         variables.
12461         (override_options): Initialize them.  Do not set flag_no_function_cse
12462         for TARGET_ID_SHARED_LIBRARY.
12463         (m68k_output_pic_call): Delete.
12464         (m68k_legitimize_call_address): New function.
12465         (print_operand): Remove the %o prefix.  Handle the %p prefix.
12466         (output_call): New function.
12467         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
12468         target address from the GOT if symbolic jumps are not allowed.
12469         * config/m68k/m68k.md (call, general_operand): Do not set
12470         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
12471         Merge separate flag_pic and !flag_pic define_insns into...
12472         (*call, *call_value): ...these new patterns.  Match the address
12473         rather than the containing MEM and require it to be a call_operand.
12474         Use output_call to generate the asm template.
12475         * config/m68k/predicates.md (const_call_operand): New predicate.
12476         (call_operand): Likewise.
12478 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
12480         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
12481         (STACK_GROWS_DOWNWARD): Define to 1.
12482         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
12483         comments, emphasizing that these values are only defaults.
12484         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
12485         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
12487 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
12489         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
12491 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
12492             Richard Sandiford  <richard@codesourcery.com>
12494         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
12495         (FP_REGNO_P): New macros.
12496         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
12497         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
12498         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
12499         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
12501 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
12503         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
12504         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
12505         to $tmake_file.
12506         * config/m68k/t-floatlib: New file, extracting common code from...
12507         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
12508         * config/m68k/t-uclinux: Here.
12509         * config/m68k/fpgnulib.c: Do not compile extendeed precision
12510         routines on ColdFire targets.
12512 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
12514         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
12515         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
12516         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
12517         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
12518         explicitly set MOTOROLA to 1.
12519         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
12521 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
12522             Nathan Sidwell  <nathan@codesourcery.com>
12524         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
12525         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
12526         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
12527         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
12528         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
12529         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
12530         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
12531         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
12532         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
12533         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
12534         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
12535         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
12536         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
12537         (DBX_REGISTER_NUMBER): Delete.
12538         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
12539         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
12540         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
12542 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
12544         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
12545         * config/flat.h: New file.
12546         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
12547         OBJECT_FORMAT_FLAT.
12548         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
12549         indirect references for -msep-data or -mid-shared-library.
12550         Do not use PC-relative code addresses either.
12551         * config/m68k/m68k.c (override_options): Restrict -fPIC error
12552         to -mpcrel.
12553         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
12554         for shared libraries and crt1.o for executables.  Use crti.o and
12555         crtbegin.o.
12556         (ENDFILE_SPEC): Use crtend.o and crtn.o.
12557         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
12558         Do not add -elf2flt or -shared-lib-id options here.
12559         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
12560         Pass -shared-lib-id if -mid-shared-library, taking the library
12561         identifier from -mshared-library-id if given, otherwise
12562         defaulting to 0.
12563         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
12564         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
12565         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
12566         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
12567         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
12568         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
12569         and crtend.o.
12570         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
12571         jump sequence for ISA A and ISA A+.
12572         (PICJUMP): Likewise.
12574 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
12576         * config.gcc (m68k-*-uclinux*): Base the port on the common
12577         and m68k GNU/Linux files rather than on the generic ELF ones.
12578         * config/m68k/uclinux.h (TARGET_VERSION): Override.
12579         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
12581 2007-01-18  Julian Brown  <julian@codesourcery.com>
12582             Richard Sandiford  <richard@codesourcery.com>
12584         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
12585         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
12586         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
12587         before redefining.
12588         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
12589         80 unconditionally.
12590         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
12592 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
12594         * doc/install.texi: Document m68k-uclinuxoldabi.
12595         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
12596         * config/m68k/uclinux-oldabi.h: New file, copied from
12597         config/m68k/uclinux.h.
12599 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
12601         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
12602         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
12603         (m32r_compute_frame_size): Use unsigned for regno.
12604         (m32r_reload_lr): Use gen_frame_mem.
12605         (pop): New.
12606         (m32r_output_function_epilogue): Don't output the function epilogue
12607         textually here.
12608         (m32r_expand_epilogue): New.
12609         (direct_return): Return false if the function has the interrupt
12610         attribute.
12611         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
12612         * config/m32r/m32r.md (epilogue): New expander.
12613         (return_lr, return_rte): New insns.
12614         (return): Make it expander.
12615         (return_normal): New expander.
12617 2007-01-18  Josh Conner  <jconner@apple.com>
12619         PR target/30485
12620         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
12621         support for UNLE, UNLT, UNGE, and UNGT.
12623 2007-01-18  Jan Hubicka  <jh@suse.cz>
12625         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
12626         * tree-tailcall (add_virtual_phis): Likewise.
12627         (optimize_tail_call): Return TODOs.
12628         (execute_tail_calls): Return TODOs.
12629         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
12630         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
12631         changed.
12632         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
12633         Cleanup cfg using TODO.
12634         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
12635         * passes.c (execute_function_todo): When cleanup did something, remove
12636         unused locals.
12637         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
12638         (make_edges): Don't cleanup_cfg.
12640 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
12642         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
12643         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
12644         operate on the top of stack.
12645         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
12646         register handling of instructions that output to the second
12647         stack slot.
12648         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
12649         (move_for_stack_reg): Special-case check for dead destination
12650         stack slot for constant load of 1.0 inside UNSPEC_TAN.
12652         * config/i386/i386.md (UNSPEC_TAN): New constant.
12653         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
12654         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
12655         to correctly model move of constant 1.0 to top stack slot.
12656         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
12657         (unnamed peephole2 pattern): Remove corresponding peephole2
12658         pattern that optimizes tan insn and loading of constant 1.0.
12659         (tanxf2): Use fptanxf4_i387.
12660         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
12661         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
12662         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
12663         disable patterns for SSE math.
12664         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
12665         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
12667 2007-01-18  Dirk Mueller  <dmueller@suse.de>
12668             Richard Guenther <rguenther@suse.de>
12670         PR diagnostic/8268
12671         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
12672         * common.opt (Warray-bounds): Add new warning option.
12673         * c-opts.c (c_common_handle_option): Define -Warray-bounds
12674         if -Wall is given.
12675         * Makefile.in: make tree-vrp.o depend on toplev.h
12676         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
12677         is enabled.
12678         (check_array_refs, check_array_bounds, check_array_ref): New.
12680 2007-01-18  Jan Hubicka  <jh@suse.cz>
12682         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
12683         (execute_ssa_ccp): Return flags conditionally.
12684         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
12685         changed.
12686         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
12688 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
12690         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
12691         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
12693         * Makefile.c (GTFILES): Add cfglayout.h.
12694         * gengtype.c (open_base_files): Likewise.
12695         * cfglayout.c (cfg_layout_function_footer,
12696         cfg_layout_function_header) Reindent to make gengtype happy.
12697         * cfglayout.h (cfg_layout_function_footer,
12698         cfg_layout_function_header): Add GTY(()) marker.
12700         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
12702 2007-01-18  Ben Elliston  <bje@au.ibm.com>
12704         * genautomata.c (write_automata): Include xstrerror output in the
12705         error message if writing the DFA description file fails.
12707 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
12709         * config/mips/mips-protos.h (mips_output_external): Make it
12710         return void.
12711         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
12712         * config/mips/mips.c (irix_output_external_libcall): Likewise.
12713         (extern_list): Likewise.
12714         (extern_head): Likewise.
12715         (TARGET_ASM_FILE_END): Likewise.
12716         (mips_file_end): Likewise.
12717         (mips_output_external): Rewritten.
12719 2007-01-18  Ben Elliston  <bje@au.ibm.com>
12721         * genpreds.c (write_insn_preds_c): Only write out the function
12722         body for regclass_for_constraint if we have register constraints.
12724 2007-01-17  Tom Tromey  <tromey@redhat.com>
12726         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
12727         * doc/install.texi (Testing): Use sourceware.org.
12728         (Binaries): Likewise.
12729         (Specific): Likewise.
12730         * doc/contrib.texi (Contributors): Use sourceware.org.
12732 2007-01-17  Anatoly Sokolov <aesok@post.ru>
12734         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
12735         (AVR_ENHANCED): Rename to ...
12736         (AVR_HAVE_MUL): ... new.
12737         (avr_enhanced_p): Rename to ...
12738         (avr_have_mul_p): ... new.
12739         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
12740         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
12741         * config/avr/avr.c (avr_enhanced_p): Rename to ...
12742         (avr_have_mul_p): ... new.
12743         (base_arch_s): Rename 'enhanced' to 'have_mul'.
12744         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
12745         'avr_enhanced_p' and 'enhanced'.
12746         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
12747         AVR_HAVE_MUL instead of AVR_ENHANCED.
12748         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
12749         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
12750         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
12751         instead of AVR_ENHANCED.
12752         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
12753         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
12754         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
12756 2007-01-17  Ian Lance Taylor  <iant@google.com>
12758         * vec.h (VEC_reserve_exact): Define.
12759         (vec_gc_p_reserve_exact): Declare.
12760         (vec_gc_o_reserve_exact): Declare.
12761         (vec_heap_p_reserve_exact): Declare.
12762         (vec_heap_o_reserve_exact): Declare.
12763         (VEC_OP (T,A,reserve_exact)): New static inline function, three
12764         versions.
12765         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
12766         negative parameter.
12767         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
12768         (VEC_OP (T,A,copy)) [all versions]: Likewise.
12769         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
12770         * vec.c (calculate_allocation): Add exact parameter.  Change all
12771         callers.
12772         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
12773         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
12774         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
12775         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
12776         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
12777         (vec_heap_p_reserve_exact): New function.
12778         (vec_heap_o_reserve_exact): New function.
12780 2007-01-17  Jan Hubicka  <jh@suse.cz>
12782         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
12784 2007-01-17  Eric Christopher  <echristo@apple.com>
12786         * config.gcc: Support core2 processor.
12788 2007-01-16  Jan Hubicka  <jh@suse.cz>
12790         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
12791         the names, just unlink the chain so we don't crash on dangling pointers
12792         to dead SSA names.
12794 2007-01-16  Jan Hubicka  <jh@suse.cz>
12796         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
12797         * tree-pass.h: Reorder to make IPA passes appear toegher.
12798         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
12799         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
12800         parameters, do not call early inliner.
12801         * ipa-inline.c: Update comments.  Include tree-flow.h
12802         (cgraph_decide_inlining): Do not compute inlining parameters.
12803         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
12804         be called with function context set up.
12805         (pass_ipa_inline): Remove unreachable functions before pass.
12806         (cgraph_early_inlining): Simplify assuming to be called from the
12807         PM as local pass.
12808         (pass_early_inline): New pass.
12809         (cgraph_gate_ipa_early_inlining): New gate.
12810         (pass_ipa_early_inline): Turn into simple wrapper.
12811         (compute_inline_parameters): New function.
12812         (gate_inline_passes): New gate.
12813         (pass_inline_parameters): New pass.
12814         (apply_inline): Move here from tree-optimize.c
12815         (pass_apply_inline): New pass.
12816         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
12817         transforming.
12818         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
12819         doing them by hand.
12820         (tree_function_versioning): Do not allocate dummy struct function.
12821         * tree-inline.h (optimize_inline_calls): Update prototype.
12822         * tree-optimize.c (execute_fixup_cfg): Export.
12823         (pass_fixup_cfg): Remove
12824         (tree_rest_of_compilation): Do not apply inlines.
12825         * tree-flow.h (execute_fixup_cfg): Declare.
12826         * Makefile.in (gt-passes.c): New.
12827         * passes.c: Include gt-passes.h
12828         (init_optimization_passes): New passes.
12829         (nnodes, order): New static vars.
12830         (do_per_function_toporder): New function.
12831         (execute_one_pass): Dump current pass here.
12832         (execute_ipa_pass_list): Don't dump current pass here.
12834 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
12836         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
12837         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
12839 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
12841         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
12842         (strong_alias): Define.
12843         (__gcc_qmul): Provide non-FMA for soft-float.
12844         (__gcc_qdiv): Same.
12845         (__gcc_qneg): New.
12846         (__gcc_qeq): New.
12847         (__gcc_qle): New.
12848         (__gcc_qge): New.
12849         (__gcc_qunord): New.
12850         (__gcc_stoq): New.
12851         (__gcc_dtoq): New.
12852         (__gcc_qtos): New.
12853         (__gcc_qtod): New.
12854         (__gcc_qtoi): New.
12855         (__gcc_qtou): New.
12856         (__gcc_itoq): New.
12857         (__gcc_utoq): New.
12858         (fmsub): New.
12859         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
12860         soft-float functions.
12861         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
12862         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
12863         about long double soft float.
12865 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
12866             Tehila Meyzels  <tehila@il.ibm.com>
12868         * tree-vectorizer.h (is_pattern_stmt_p): New.
12869         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
12870         formatting (tabs instead of spaces). Cleanup and clarify setting
12871         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
12872         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
12873         (vectorizable_type_demotion): Check that types are integral.
12874         (vectorizable_type_promotion): Likewise.
12875         (vectorizable_store): Fix typo.  Eliminate new-line at end of
12876         comments.
12878 2007-01-16  Jan Hubicka  <jh@suse.cz>
12880         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
12881         cgraph edges too.
12883 2007-01-15  Eric Christopher  <echristo@apple.com>
12885         * ifcvt.c: Include vec.h, vecprim.h.
12886         (check_cond_move_block): New argument regs.
12887         Reorganize. Add registers used to regs.
12888         (cond_move_process_if_block): Use regs set above as
12889         loop bounds.
12891 2007-01-15  Eric Christopher  <echristo@apple.com>
12893         * config/darwin.h: Update copyright.
12894         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
12895         (LINK_COMMAND_SPEC): Add -u.
12896         (LINK_SPEC): Fix umbrella for above.
12898 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
12900         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
12901         glibc CVS.
12903 2007-01-15  Tom Tromey  <tromey@redhat.com>
12905         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
12906         * doc/install.texi (Testing): Don't mention jacks.
12907         (Configuration): Document --enable-java-maintainer-mode.  Move
12908         --with-java-home to libgcj-specific section.  Document
12909         --with-ecj-jar.
12910         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
12912 2007-01-15  Jan Hubicka  <jh@suse.cz>
12914         * tree-ssa-dce.c (DCE_TODOs): New.
12915         (propagate_necessity): Return if something changed.
12916         (eliminate_unnecessary_stmts): Likewise.
12917         (perform_tree_ssa_dce): Return TODO flags when needed.
12918         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
12920 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
12922         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
12923         (fyl2x_extend<mode>xf3_i387): New insn pattern.
12924         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
12925         patterns using X87MODEF12 mode macro.  Extend operand 1
12926         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
12927         (log10<mode>2): Ditto.
12928         (log2<mode>2): Ditto.
12929         (log1p<mode>2): Ditto.
12930         (logb<mode>2): Ditto.
12931         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
12932         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
12933         (*fxtractxf3_i387): Rename from *fxtractxf3.
12934         (fxtract_extend<mode>xf3_i387): New insn pattern.
12935         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
12936         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
12937         and gen_fyl2xxf3_i387().
12939 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
12941         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
12942         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
12943         get_loop_exit_edges.  Changed return type to bool.
12944         * cfgloop.h (fix_loop_placement): Declaration removed.
12946 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
12948         * param.h (MIN_VECT_LOOP_BOUND): New.
12949         * params.def (MIN_VECT_LOOP_BOUND): New.
12950         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
12951         argument - minimum threshold for number of iterations.
12952         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
12953         argument to declaration.
12954         * tree-vect-analyze.c (vect_analyze_operations): Check value of
12955         MIN_VECT_LOOP_BOUND.
12956         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
12957         slpeel_tree_peel_loop_to_edge with additional argument.
12958         (vect_do_peeling_for_alignment): Likewise.
12959         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
12961 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
12963         PR target/30413
12964         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
12965         operands of size 1.
12967 2007-01-14  Jan Hubicka  <jh@suse.cz>
12969         * tree-dfa.c (remove_referenced_var): New function.
12970         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
12971         prune referenced vars list too.
12972         * tree-flow.h (remove_referenced_var): Declare.
12974 2007-01-14  Jan Hubicka  <jh@suse.cz>
12976         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
12977         separately.
12978         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
12979         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
12980         * except.h (verify_eh_throw_table_statements): Kill prototype.
12981         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
12982         into call exrepssions.
12983         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
12984         eh trhow verifier.
12985         * tree-cfg.c: Include pointer-set.h.
12986         (verify_node_sharing): Work on pointer set.
12987         (verify_eh_throw_stmt_node): New.
12988         (verify_stmts): Use pointers sets, verify throw_stmt.
12990 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
12992         * ipa-reference.c (analyze_function): Consider also addresses taken
12993         in phi nodes.
12995 2007-01-12  Roger Sayle  <roger@eyesopen.com>
12997         * c-typeck.c (null_pointer_constant_p): Replace use of
12998         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
12999         (build_c_cast): Likewise.
13001 2007-01-12  Roger Sayle  <roger@eyesopen.com>
13003         * tree.h (force_fit_type_double): Remove unused final argument.
13004         * c-common.c (constant_expression_warning): Replace use of
13005         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
13006         (convert_and_check): Likewise.
13007         (shorten_compare): Update call to force_fit_type_double.
13008         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
13009         * convert.c (convert_to_pointer): Update call to
13010         force_fit_type_double.
13011         * fold-const.c (force_fit_type_double): Remove overflowed_const
13012         argument.
13013         (int_const_binop, fold_convert_const_int_from_int,
13014         fold_convert_const_int_from_real, fold_div_compare,
13015         fold_sign_changed_comparison, fold_unary, fold_negate_const,
13016         fold_abs_const, fold_not_const): Remove the final argument from
13017         calls to force_fit_type_double.
13019 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13021         * configure.ac: Set insn to "nop" for spu-*-* also.
13022         * configure: Regenerate.
13024 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
13026         * builtins.def : Add BUILT_IN_FREE.
13028 2007-01-12  Jan Hubicka  <jh@suse.cz>
13030         PR tree-optimization/30443
13031         * tree-inline.c (tree_function_versioning): Do not optimize when
13032         cloning for inlining.
13034 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
13036         * doc/loop.texi: Document recording of loop exits.
13037         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
13038         (update_single_exits_after_duplication,
13039         update_single_exit_for_duplicated_loop,
13040         update_single_exit_for_duplicated_loops): Removed.
13041         (duplicate_loop_to_header_edge): Do not call
13042         update_single_exits_after_duplication and
13043         update_single_exit_for_duplicated_loops.
13044         (loop_version): Do not update single_exit information.
13045         (fix_loop_structure): Use record_loop_exits instead of
13046         mark_single_exit_loops.
13047         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
13048         the lists of loop exits.
13049         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
13050         split_edge, merge_blocks): Update the lists of loop exits.
13051         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
13052         loop_optimizer_init.
13053         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
13054         of mark_single_exit_loops.
13055         (loop_optimizer_finalize): Call release_recorded_exits.
13056         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
13057         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
13058         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
13059         update single exit information.
13060         * lambda-code.c (perfect_nestify): Ditto.
13061         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
13062         (mark_single_exit_loops): Removed.
13063         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
13064         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
13065         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
13066         functions.
13067         (get_loop_exit_edges, single_exit): Use recorded exit lists.
13068         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
13069         (verify_loop_structure): Verify consistency of the exit lists.
13070         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
13071         (set_single_exit): Removed.
13072         * cfgloop.h (struct loop_exit): New function.
13073         (struct loop): single_exit_ field replaced by exits field.
13074         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
13075         (struct loops): Added exits hash.
13076         (mark_single_exit_loops, set_single_exit): Declaration removed.
13077         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
13079 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13081         * doc/invoke.texi: Avoid use of @headitem.
13083 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13085         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
13087 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13089         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
13090         list of targets.
13092 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
13093             Richard Sandiford  <richard@codesourcery.com>
13095         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
13096         * config/m68k/m68k.opt: Resort options.
13097         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
13099 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
13100             Richard Sandiford  <richard@codesourcery.com>
13102         * doc/invoke.texi: Document the macros that are defined by
13103         m68k's -mtune and -mhard-float options.
13104         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
13105         (m68k_cpp_cpu_family): Likewise.
13106         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
13107         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
13108         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
13109         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
13110         (m68k_cpp_cpu_family): Likewise.
13112 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13114         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
13115         macros besides mc68000 as tuning macros.  Use a switch statement
13116         to set them and mcpu32.
13118 2007-01-12  Julian Brown  <julian@codesourcery.com>
13120         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
13121         (TARGET_68040_ONLY): Rename to...
13122         (TARGET_68040): ...this.
13123         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
13124         * config/m68k/m68k.md: Likewise.
13126 2007-01-12  Julian Brown  <julian@codesourcery.com>
13127             Nathan Sidwell  <nathan@codesourcery.com>
13128             Richard Sandiford  <richard@codesourcery.com>
13130         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
13131         the -mcpu= argument associated with the --with-cpu setting.
13132         Define M68K_DEFAULT_TUNE to the default -mtune= option,
13133         if different from the one implied by the -mcpu setting.
13134         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
13135         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
13136         * doc/invoke.texi: Mention ColdFire in the introduction to the
13137         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
13138         -mno-div and -mhard-float options.  Make -m68881 a synonym for
13139         -mhard-float.  Document the previously-undocumented -m5206e,
13140         -m528x, -m5307 and -m5407 options.  Tweak the existing option
13141         documentation for consistency.
13142         * doc/install.texi: Mention new --with-cpu arguments.
13143         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
13144         default CPU if neither -mcpu nor -march are specified.
13145         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
13146         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
13147         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
13148         using m68k_tune to decide between families that implement the
13149         same ISA.  Use m68k_tune to set __mcfv4e__.
13150         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
13151         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
13152         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
13153         (FL_ISA_C, FL_ISA_MMU): New macros.
13154         (MASK_COLDFIRE): Delete.
13155         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
13156         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
13157         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
13158         (TARGET_HARD_FLOAT): Do not define here.
13159         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
13160         (TUNE_68000): New macro.
13161         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
13162         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
13163         (TUNE_CFV2): Redefine in terms of m68k_tune.
13164         (uarch_type, target_device, fpu_type): New enums.
13165         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
13166         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
13167         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
13168         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
13169         (FL_FOR_isa_c): New macros.
13170         (m68k_isa): New enum.
13171         (m68k_target_selection): New structure.
13172         (all_devices, all_isas, all_microarchs): New tables.
13173         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
13174         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
13175         (MASK_ALL_CPU_BITS): Delete.
13176         (m68k_find_selection): New function.
13177         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
13178         Map the legacy target options to a combination of the new ones.
13179         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
13180         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
13181         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
13182         settings.
13183         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
13184         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
13185         properties.
13186         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
13187         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
13188         * config/m68k/m68k-devices.def: New file.
13190 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13191             Nathan Sidwell  <nathan@codesourcery.com>
13193         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
13194         (SUBTARGET_EXTRA_SPECS): New macros.
13195         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
13196         use %(asm_cpu_spec) instead.
13197         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
13198         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
13199         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
13200         (EXTRA_SPECS): Rename to...
13201         (SUBTARGET_EXTRA_SPECS): ...this.
13203 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
13204             Richard Sandiford  <richard@codesourcery.com>
13205             Julian Brown  <julian@codesourcery.com>
13207         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
13208         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
13209         to the configuration's default CPU.
13210         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
13211         Remove default masks.
13212         (m680[012]0-*-*): Set the default with_cpu to the first part of
13213         the target name.
13214         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
13215         (m68k*-*-linux): Extend the --with-cpu handling to...
13216         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
13217         and m68010.  Don't set target_cpu_default2.
13218         * doc/install.texi: Document --with-cpu for m68k.
13219         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
13220         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
13221         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
13222         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
13223         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
13224         (ASM_SPEC): Remove use of %(asm_cpu_default).
13225         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
13226         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
13227         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
13228         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
13229         __HAVE_FPU__ if TARGET_HARD_FLOAT.
13230         (TARGET_DEFAULT): Delete.
13231         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
13232         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
13233         (CPP_CPU_SPEC): Delete.
13234         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
13235         the appropriate string.
13236         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
13237         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
13238         (ASM_SPEC): Don't use %(asm_default_spec).
13239         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13240         TARGET_DEFAULT and add MASK_68881.
13241         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
13243 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13245         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
13246         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
13247         MASK_68010 alongside MASK_68020.
13248         * doc/invoke.texi: Document -m68010.
13249         * config/m68k/m68k.opt (m68010): New.
13250         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
13251         if TUNE_68010.
13252         (TUNE_68010): New macro.
13253         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
13254         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
13255         (M68K_CPU_m68332): Add MASK_68010.
13256         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
13257         fallback definition.
13258         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
13259         defines.
13260         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
13261         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
13262         to all entries that use MASK_68020.
13263         (output_move_simode_const, output_move_himode, output_move_qimode)
13264         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
13265         instead of TARGET_68020 to select clr behavior.  Remove comment
13266         about there being no TARGET_68010.
13267         * config/m68k/m68k.md: Likewise throughout.
13269 2007-01-12  Julian Brown  <julian@codesourcery.com>
13271         * config/m68k/m68k.h (TARGET_ISAB): New macro.
13272         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
13273         * config/m68k/m68k.md: Likewise.
13275 2007-01-12  Julian Brown  <julian@codesourcery.com>
13277         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
13278         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
13280 2007-01-12  Julian Brown  <julian@codesourcery.com>
13282         * config/m68k/m68k.h (TUNE_68040_60): New macro.
13283         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
13284         * config/m68k/m68k.md: Likewise.
13286 2007-01-12  Julian Brown  <julian@codesourcery.com>
13287             Richard Sandiford  <richard@codesourcery.com>
13289         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
13290         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
13291         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
13292         TARGET_CPU32.
13293         (TARGET_CPU32): Rename to...
13294         (TUNE_CPU32): ...this.
13295         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
13296         (TUNE_CFV2): New macros.
13297         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
13298         remove conditions that are implied by TARGET_68020.
13299         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
13300         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
13301         (m68k_output_function_epilogue): Likewise.
13302         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
13303         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
13304         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
13305         non-68000 timings.  Refactor multiplication and division costs.
13306         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
13307         TUNE_CPU32 instead of TARGET_CPU32.
13308         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
13309         and TUNE_68060 instead of TARGET_68060.
13310         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
13311         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
13312         TARGET_CPU32.
13313         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
13314         && !TARGET_COLDFIRE" to choose between moveq and clr.
13315         Likewise in the unnamed movsf pattern.
13316         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
13317         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
13318         ashiftrt pattern.
13320 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13322         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
13323         of tabbing before backslashes.
13325 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13327         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
13328         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
13329         (ASM_OUTPUT_INTERNAL_LABEL): Define.
13331 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
13333         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
13334         find_interesting_uses_cond.
13335         (find_interesting_uses_cond): Use extract_cond_operands.
13336         (rewrite_use_compare): Use extract_cond_operands and
13337         force_gimple_operand_bsi.  Do not call update_stmt.
13338         (determine_use_iv_cost_condition): Use extract_cond_operands.
13339         Return cheaper of using original bound and changing the exit bound.
13341 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
13343         PR tree-optimization/29516
13344         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
13345         most_expensive_mult_to_index, addr_to_parts,
13346         create_mem_ref, maybe_fold_tmr): Make the type of
13347         fields of TARGET_MEM_REF sizetype.
13348         (move_fixed_address_to_symbol, move_pointer_to_base):
13349         New functions.
13350         * tree.def (TARGET_MEM_REF): Add comment on types of
13351         the operands.
13353 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
13355         * c-common.c (vector_types_convertible_p): Treat opaque types as
13356         always convertible if they have the same size, but not otherwise.
13358 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
13360         * ifcvt.c (struct noce_if_info): Add comments to the fields.
13361         Remove the b_unconditional field.
13362         (noce_try_sign_mask): Do not look at b_unconditional.
13363         (noce_process_if_block): Do not use merge_if_blocks.  Update
13364         the CFG here.  Do not set b_unconditional.
13365         (cond_move_process_if_block): Likewise.
13366         (find_cond_trap): Likewise.
13367         (check_cond_move_block): Require simple jump insns at the end
13368         of the basic block.
13370 2007-01-11  Jan Hubicka  <jh@suse.cz>
13372         PR tree-optimization/1046
13373         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
13374         when alias info is not ready.
13375         (pass_tail_recursion): Do not require aliasing.
13376         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
13377         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
13378         * tree-ssa-copy.c (pass_copy_prop): Likewise.
13379         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
13380         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
13381         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
13382         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
13383         before inlining.
13384         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
13385         When aliasing is not build, mark statement as volatile.
13387 2007-01-11  Tom Tromey  <tromey@redhat.com>
13389         PR preprocessor/15185, PR preprocessor/20989:
13390         * doc/cppopts.texi <-MT>: Update description of algorithm for
13391         computing default target.
13392         <-M, -MD>: Reword "basename" text.
13394 2007-01-11  Roger Sayle  <roger@eyesopen.com>
13396         * builtins.c (expand_builtin_pow, expand_builtin_powi,
13397         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
13398         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
13399         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
13400         fold_builtin_bswap, real_constp, fold_builtin_pow,
13401         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
13402         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
13403         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
13404         * convert.c (convert_to_pointer): Likewise.
13405         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
13406         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
13407         const_binop, fold_convert_const_int_from_int,
13408         fold_convert_const_int_from_real,
13409         fold_convert_const_real_from_real, sign_bit_p,
13410         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
13411         fold_sign_changed_comparison, fold_unary, fold_comparison,
13412         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
13413         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
13414         * print-tree.c (print_node_brief, print_node): Likewise.
13415         * stor-layout.c (place_field, layout_type): Likewise.
13416         * tree-chrec.c (keep_cast): Likewise.
13417         * tree.c (build_vector, build_real, build_real_from_int_cst,
13418         build_complex): Likewise.
13420 2007-01-11  Roger Sayle  <roger@eyesopen.com>
13422         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
13423         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
13425 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
13427         * configure.ac (strict1_warn): Rename to strict_warn.
13428         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
13429         cc_set_by_configure, quoted_cc_set_by_configure,
13430         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
13431         all_boot_languages, all_stagestuff): Remove.
13432         (target_list): Remove bootstrap targets.
13433         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
13434         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
13435         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
13436         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
13437         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
13438         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
13439         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
13440         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
13441         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
13442         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
13443         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
13444         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
13445         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
13446         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
13447         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
13448         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
13449         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
13450         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
13451         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
13452         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
13453         (mostlyclean): Adjust.
13454         (clean, distclean): Don't mention bootstrap stuff.
13455         * configure: Regenerate.
13456         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
13457         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
13458         treelang/config-lang.in (stagestuff): Remove.
13459         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
13460         stageprofile, stagefeedback, stagestuff): Remove mention.
13462 2007-01-11  Nick Clifton  <nickc@redhat.com>
13464         * config/mcore/predicates.md (mcore_general_movesrc_operand):
13465         Accept CONSTs.
13466         (mcore_general_movdst_operand): Do not accept CONST_INTs.
13467         (mcore_arith_K_S_operand): Run the test for the S constraint not
13468         the test for the M constraint.
13469         (mcore_addsub_operand): Do not accept integer values that are
13470         larger than 32 bits.
13471         * config/mcore/mcore.md: Remove unused constraints from split.
13472         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
13473         (addsi3): Likewise.
13474         (allocate_stack): Likewise.
13475         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
13476         operands to 32 bits.
13477         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
13478         INTVAL.
13479         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
13480         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
13481         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
13482         mcore_output_bclri, mcore_output_andn, output_inline_const,
13483         mcore_output_move, mcore_output_movedouble): Likewise.
13484         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
13485         (output_inline_const): Likewise.
13486         (output_inline_const): Fix format strings used in sprintf
13487         statements.
13488         * config/mcore/mcore-protos.h: Update prototypes for changed
13489         functions in mcore.c.
13490         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
13491         HOST_WIDE_INT and not int.
13492         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
13493         CONST_OK_FOR_N): Likewise.
13494         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
13495         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
13496         an INTVAL.
13498 2007-01-10  Jan Hubicka  <jh@suse.cz>
13500         * tree-vrp.c (remove_range_assertions): Release defs.
13501         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
13502         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
13504 2007-01-10  Paul Brook  <paul@codesourcery.com>
13506         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
13507         * config/arm/arm.md (mulsi3subsi): New insn.
13509 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
13511         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
13512         (tree_transform_and_unroll_loop): New.
13513         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
13514         Declare.
13516 2007-01-10  Robert Kennedy <jimbob@google.com>
13518         * fold-const.c (fold_comparison): Fold comparisons like (x *
13519         1000 < 0) to (x < 0).
13521 2007-01-10  Ian Lance Taylor  <iant@google.com>
13523         * tree-pretty-print.c (dump_generic_node): Print parentheses when
13524         operands have the same priority.
13526 2007-01-10  Tom Tromey  <tromey@redhat.com>
13528         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
13529         (fold_binary): Likewise.
13530         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
13531         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
13532         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
13533         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
13534         * langhooks.h (struct lang_hooks): Removed field
13535         'can_use_bit_fields_p'.
13537 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
13539         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
13541 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
13543         * function.c (get_last_funcdef_no): New function.
13544         * function.h (get_last_funcdef_no): Declare.
13545         * tree-inline.c (initialize_cfun): Add initialization.
13546         (tree_function_versioning): Cleanup.
13548 2007-01-10  Jan Hubicka  <jh@suse.cz>
13550         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
13551         PHIs.
13553 2007-01-10  Sa Liu  <saliu@de.ibm.com>
13554             Ben Elliston  <bje@au.ibm.com>
13556         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
13557         for SAVE_NONLOCAL and Pmode for any other save level.
13558         * spu-protos.h (spu_restore_stack_block): Declare.
13559         * spu.md (save_stack_block): Remove.
13560         (restore_stack_block): Call spu_restore_stack_block.
13561         * spu.c (spu_restore_stack_block): New function.
13562         (spu_expand_epilogue): Remove old comment.
13564 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
13566         PR tree-optimization/30322
13567         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
13568         (cand_value_at): Return the value as aff_tree.
13569         (may_eliminate_iv): Convert the bound from aff_tree to tree.
13570         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
13571         aff_combination_mult): New functions.
13572         (aff_combination_add): Use aff_combination_add_cst.
13573         (aff_combination_convert): Allow conversions to a wider type.
13574         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
13575         * tree-affine.h (aff_combination_mult): Declare.
13577 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
13579         * doc/tm.texi: Update documentation to reflect reality of exec
13580         and start file search behaviours. Update copyright year.
13581         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
13582         header file directories.
13584 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
13586         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
13587         (*cosxf2): Rename to cosxf2_i387.
13588         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
13589         using X87MODEF12 mode macro. Rename patterns to
13590         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
13591         for SSE math.
13592         (*cosdf2, *cossf2): Ditto.
13593         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
13594         to match extended input operands.
13595         (sincos<mode>3): New expander.
13596         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
13597         insn patterns and corresponding splitters.
13599 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
13601         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
13602         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
13604 2007-01-09  Nicolas Pitre  <nico@cam.org>
13606         PR target/30173
13607         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
13609 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
13611         * target.h (struct gcc_target): New field library_rtti_comdat.
13612         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
13613         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
13614         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
13615         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
13617 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
13619         * doc/invoke.texi (Optimize Options): Correct description of -O0.
13621 2007-01-08  Richard Guenther  <rguenther@suse.de>
13623         * tree.h (force_fit_type_double): Export.
13624         (force_fit_type): Remove.
13625         * fold-const.c (force_fit_type_double): New function.
13626         (force_fit_type): Remove.
13627         (int_const_binop): Use it.
13628         (fold_convert_const_int_from_int): Likewise.
13629         (fold_convert_const_int_from_real): Likewise.
13630         (fold_div_compare): Likewise.
13631         (fold_sign_changed_comparison): Likewise.
13632         (fold_unary): Likewise.
13633         (fold_negate_const): Likewise.
13634         (fold_abs_const): Likewise.
13635         (fold_not_const): Likewise.
13636         * c-common.c (shorten_compare): Use force_fit_type_double.
13637         * convert.c (convert_to_pointer): Likewise.
13639 2007-01-08  Richard Guenther  <rguenther@suse.de>
13641         * tree.h (build_int_cst_wide_type): Export.
13642         * tree.c (build_int_cst_wide_type): New function.
13643         (build_int_cst_wide): Fix comment.
13644         * builtins.c (fold_builtin_object_size): Use build_int_cst
13645         to build -1 or 0 of the correct type.  Use fit_double_type
13646         to check for overflow.
13647         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
13648         to build the mask.
13649         (decode_field_reference): Likewise.
13650         (all_ones_mask_p): Likewise.
13651         (native_interpret_int): Use build_int_cst_wide_type.
13652         (fold_binary): Use build_int_cst_type to build an all-ones
13653         value.
13654         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
13656 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
13658         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
13660 2007-01-09  Ben Elliston  <bje@au.ibm.com>
13662         * genautomata.c (STATS_OPTION): New option.
13663         (stats_flag): New flag.
13664         (gen_automata_option): Handle it.
13665         (initiate_automaton_gen): Ditto.
13666         (write_automata): Output statistics only if stats_flag is
13667         set. Likewise, output time statistics only if time_flag is set.
13668         * doc/md.texi (Processor pipeline description): Document new flag.
13670 2007-01-08  Richard Guenther  <rguenther@suse.de>
13672         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
13673         * tree.c (build_int_cst_type): Likewise.
13674         (size_in_bytes): Don't call force_fit_type on the result.
13675         (int_fits_type_p): Use fit_double_type.
13676         * fold-const.c (fit_double_type): New function.
13677         (force_fit_type): Use it.
13678         * tree.h (fit_double_type): Export.
13680 2007-01-08  Jan Hubicka  <jh@suse.cz>
13682         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
13683         * ipa.c (function_and_variable_visibility): Fix return type.
13685 2007-01-08  Richard Guenther  <rguenther@suse.de>
13687         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
13688         of offset to build the index.
13689         * tree-pretty-print.c (dump_generic_node): Don't build negated
13690         const just for printing.
13691         * c-pretty-print.c (pp_c_integer_constant): Likewise.
13692         * builtins.c (fold_builtin_int_roundingfn): Check if result
13693         fits the type by using force_fit_type and comparing the result.
13694         * predict.c (predict_loops): Use compare_tree_int for comparison.
13695         * tree.c (build_int_cst): Fall back to integer_type_node for
13696         NULL_TREE type.
13697         (build_int_cst_wide): Assert type is non-null.
13699 2007-01-08  Roberto Costa  <roberto.costa@st.com>
13701         * tree-vrp.c (extract_range_from_cond_expr): New.
13702         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
13703         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
13704         as expressions.
13705         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
13706         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
13707         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
13708         used as expressions.
13709         * tree-object-size.c (cond_expr_object_size): New.
13710         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
13712 2007-01-08  Jan Hubicka  <jh@suse.cz>
13714         * tree-ssa-forwprop.c (forward_propagate_into_cond,
13715         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
13716         statement.
13718 2007-01-08  Richard Guenther  <rguenther@suse.de>
13720         PR tree-optimization/23603
13721         * tree-vrp.c (set_value_range_to_truthvalue): New function.
13722         (extract_range_from_binary): Fall back to truthvalue instead of
13723         varying for TRUTH_*_EXPR.
13724         (extract_range_from_comparison): Fall back to truthvalue instead of
13725         varying.
13726         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
13727         if all visited PHI values were constant.
13729 2007-01-08  Jan Hubicka  <jh@suse.cz>
13731         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
13732         (cgraph_analyze_function): break out from ...
13733         (cgraph_finalize_compilation_unit): ... here.
13734         (cgraph_expand_function): Remove forgoten commented out line.
13735         (cgraph_optimize): Analyze functions.
13737 2007-01-08  Jan Hubicka  <jh@suse.cz>
13739         * tree-pas.h (TODO_remove_function): New flag.
13740         (TODO_update*): Renumber.
13741         (pass_ipa_increase_alignment,
13742         pass_ipa_function_and_variable_visibility): New passes.
13743         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
13744         (cgraph_function_and_variable_visibility): Move to ipa.c
13745         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
13746         cgraph_increase_alignment.
13747         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
13748         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
13749         calling tree-inline.
13750         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
13751         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
13752         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
13753         (gate_increase_alignment): New function.
13754         (pass_ipa_increase_alignment): New pass.
13755         * ipa.c: Inline tree-pass.h and timevar.h
13756         (function_and_variable_visibility): Move here from cgraphunit.c
13757         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
13758         * passes.c (init_optimization_passes): Add the two new passes.
13759         (execute_todo): Handle cgraph_remove_functions.
13761 2007-01-08  Nick Clifton  <nickc@redhat.com>
13763         * config/frv/predicates.md (reg_or_0_operand): Accept
13764         CONST_DOUBLEs.
13766 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
13768         * config/bfin/rtems.h, config/bfin/t-rtems: New.
13769         * config.gcc: Add bfin*-rtems*.
13771 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
13773         * c.opt: Add -flax-vector-conversions.
13774         * c-typeck.c (convert_for_assignment): Pass flag to
13775         vector_types_convertible_p to allow emission of note.
13776         (digest_init): Likewise.
13777         * c-opts.c: Handle -flax-vector-conversions.
13778         * c-common.c (flag_lax_vector_conversions): New.
13779         (vector_types_convertible_p): Unless -flax-vector conversions
13780         has been passed, disallow conversions between vectors with
13781         differing numbers of subparts and/or element types.  If such
13782         a conversion is disallowed, possibly emit a note on the first
13783         occasion only to inform the user of -flax-vector-conversions.
13784         The new last argument specifies this.
13785         * c-common.h (flag_lax_vector_conversions): New.
13786         (vector_types_convertible_p): Add extra argument.
13787         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
13788         char_type_node for V*QI type vectors.
13789         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
13790         Update to satisfy new typechecking rules.
13791         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
13792         C and C++ variants.
13793         * doc/invoke.texi (C Dialect Options): Document
13794         -flax-vector-conversions.
13796 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
13798         PR tree-optimization/29877
13799         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
13800         a register variable on the RHS to not be replaceable.
13802 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
13803         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
13804         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
13805         const_simm15, const_pow2, const_npow2): Added.
13806         * config/score/misc.md (insv, extv, extzv, movmemsi,
13807         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
13808         * config/score/score.c (score_address_cost, score_select_cc_mode):
13809         Added.
13810         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
13811         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
13812         Update score_print_operand.
13813         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
13814         Adjust register allocate order and update some macro define.
13815         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
13816         mdx_block_move_straight, mdx_block_move_loop_head,
13817         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
13818         mdx_block_move): Added.
13819         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
13820         mdp_limm): Updated and fix some bug and typo.
13821         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
13822         (movsf, movdf, doloop_end): Added.
13824 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
13826         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
13827         config/arm/thumb2.md: Fix comment typos.
13828         * doc/extend.texi: Fix a typo.
13830 2007-01-07  Eric Christopher  <echristo@apple.com>
13832         * configure.ac: Check for __stack_chk_fail for darwin.
13833         * configure: Regenerate.
13835 2007-01-07  Richard Guenther  <rguenther@suse.de>
13837         * tree-vrp.c (extract_range_from_assert): CSE calls to
13838         compare_values where possible.
13839         (extract_range_from_unary_expr): Likewise.
13841 2007-01-07  Anatoly Sokolov <aesok@post.ru>
13843         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
13844         * config/avr/avr.c (call_insn_operand): Delete function.
13845         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
13846         instead of register number. Use predicates.
13847         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
13848         call_insn_operand): Add.
13850 2007-01-06  Jan Hubicka  <jh@suse.cz>
13852         * tree-pass.h (pass_build_cgraph_edges): Declare.
13853         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
13854         (visited_nodes): Remove.
13855         (cgraph_create_edges): Move to cgraphbuild.c; rename to
13856         build_cgrpah_edges; make visited_nodes local.
13857         (cgraph_process_new_functions): DO not call initialize_inline_failed.
13858         (record_references_in_initializer): Move to cgraphbuild.c
13859         (initialize_inline_failed, rebuild_cgraph_edges,
13860         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
13861         (verify_cgraph_node): Make visited_nodes local.
13862         (cgraph_analyze_function): Do not call cgraph_create_edges and
13863         initialize_inline_failed.
13864         (cgraph_expand_function): Do not call cgraph_lower_function;
13865         assert that function is already lowered.
13866         * Makefile.in (cgraphbuild.o): New.
13867         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
13868         at the end of lowering passes.
13870 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
13872         * ifcvt.c (cond_move_convert_if_block): New function, code
13873         factored out from...
13874         (cond_move_process_if_block): ...here.  Call the new function
13875         on the THEN and ELSE blocks.
13876         (merge_if_block): Do not copy global_live_at_end, merge_blocks
13877         already takes care of this.
13879 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13881         PR c/19978
13882         * tree.h (TREE_OVERFLOW_P): New.
13883         * c-typeck.c (parser_build_unary_op): Warn only if result
13884         overflowed and operands did not.
13885         (parser_build_binary_op): Likewise.
13886         (convert_for_assignment): Remove redundant overflow_warning.
13887         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
13889 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13891         * c-typeck.c (store_init_value): Split over two lines to follow
13892         the GNU coding style.
13894 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
13896         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
13897         __GXX_EXPERIMENTAL_CXX0X__.
13898         * doc/cpp.texi: Same.
13900 2007-01-05  Richard Guenther  <rguenther@suse.de>
13902         PR middle-end/27826
13903         * tree.c (get_narrower): Do not construct COMPONENT_REFs
13904         with mismatched types.  Instead explicitly build a
13905         conversion NOP_EXPR.
13907 2007-01-05  Ian Lance Taylor  <iant@google.com>
13909         * c-common.c (decl_with_nonnull_addr_p): New function.
13910         (c_common_truthvalue_conversion): Call it.
13911         * c-typeck.c (build_binary_op): Likewise.
13912         * c-common.h (decl_with_nonnull_addr_p): Declare.
13914 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
13916         PR c/30360
13917         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
13918         denom against 0.0.
13920 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
13922         * doc/install.texi (Final install): Document the fact that
13923         the GNAT runtime should not be stripped.
13925 2007-01-04  Jan Hubicka  <jh@suse.cz>
13927         * tree-inline.c (fold_marked_statements): Update operand caches
13928         and EH after folding
13930 2007-01-04  Ian Lance Taylor  <iant@google.com>
13932         * c-common.c (check_function_nonnull): Whitespace fix.
13934 2007-01-04  Jan Hubicka  <jh@suse.cz>
13936         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
13937         comitted older version of patch.
13938         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
13939         function, celanup cfg and collect garbage.
13941 2007-01-04  Mike Stump  <mrs@apple.com>
13943         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
13944         (clean): Likewise.
13946 2007-01-04  Eric Christopher  <echristo@apple.com>
13948         * libgcc2.c (__bswapsi2): Use SItype.
13949         (__bswapdi2): Use DItype.
13950         * libgcc2.h: Update for above.
13952 2007-01-04  Paul Brook  <paul@codesourcery.com>
13954         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
13955         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
13956         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
13957         umulsidi3, umulsidi3adddi, smulsi3_highpart,
13958         umulsi3_highpart): Make conditional on !arm_arch6.
13959         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
13960         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
13961         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
13962         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
13963         umulsi3_highpart_v6): New insns.
13965 2007-01-04  Roger Sayle  <roger@eyesopen.com>
13967         * fold-const.c (fold_convert): When casting an expression to void,
13968         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
13969         have a type.  Instead of attempting to build a NOP_EXPR, return
13970         these "special" trees directly.
13972 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
13974         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
13975         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
13976         rs6000_cost->fp not 0 as adjustment for outer NEG.
13978 2007-01-04  Jan Hubicka  <jh@suse.cz>
13980         * cgraph.c (cgraph_release_function_body): New function.
13981         (cgraph_remove_node): Use it.
13982         * cgraph.h (cgraph_release_function_body): Declare.
13983         * cgraphunit.c (cgraph_expand_function): Use it.
13984         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
13985         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
13986         is initialized and while compilation of other function is running.
13987         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
13988         statement CFG annotations from here to ...
13989         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
13991 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
13993         * cfgloop.h (enum li_flags): Make the constants powers of two.
13995 2007-01-04  Jan Hubicka  <jh@suse.cz>
13997         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
13998         set.
13999         (fold_marked_statements): New function.
14000         (optimize_inline_calls, tree_function_versioning): Fold new statements.
14001         * tree-inline.h (copy_body_data): Add statements_to_fold.
14003 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
14005         * config.gcc: Mention libgcc/config.host.
14006         * Makefile.in: Update comments mentioning libgcc.
14007         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
14008         (all.cross, start.encap, rest.encap, rest.cross): Update
14009         dependencies for libgcc move.
14010         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
14011         (clean-target, clean-target-libgcc): Delete.
14012         (srcdirify, GCC_EXTRA_PARTS): New macros.
14013         (libgcc-support, libgcc.mvars): New rules.
14014         (distclean): Remove mention of mklibgcc.
14015         (install): Don't reference INSTALL_LIBGCC.
14016         (install-common): Don't reference EXTRA_PARTS.
14017         (install-libgcc, install-multilib): Delete rules.
14018         * mklibgcc.in: Delete file.
14019         * doc/configfiles.texi: Don't mention mklibgcc.
14021         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
14022         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
14023         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
14024         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
14025         (mklibgcc, ldblspecs): Likewise.
14027         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
14028         (posixpre.def): Use $(T).
14029         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
14030         (SHLIB_SRC, SHLIB_INSTALL): Delete.
14031         (SHLIB_LINK): Make dummy.
14032         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
14034         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
14036         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
14037         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
14038         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
14039         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
14041         * configure.ac (all_outputs): Remove mklibgcc.
14042         * configure: Regenerated.
14044 2007-01-03  Josh Conner  <jconner@apple.com>
14046         PR middle-end/29683
14047         * calls.c (compute_argument_addresses): Set stack and stack_slot
14048         for partial args, too.
14049         (store_one_arg): Use locate.size.constant for the size when
14050         generating a save_area.
14052 2007-01-03  Robert Kennedy <jimbob@google.com>
14054         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
14055         whose definitions are deleted due to basic block merging.
14057 2007-01-03  Paul Brook  <paul@codesourcery.com>
14059         PR target/16634
14060         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
14061         functions.
14062         (use_return_insn): Return 0 for Thumb interrupt functions.
14063         (print_multi_reg): Add rfe argument for IRQ returns.
14064         (arm_output_epilogue): Pop interrupt return address directly into PC.
14065         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
14067 2007-01-03  Paul Brook  <paul@codesourcery.com>
14069         Merge from sourcerygxx-4_1.
14070         * config/arm/thumb2.md: New file.
14071         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
14072         Thumb-2.
14073         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
14074         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
14075         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
14076         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
14077         tables.
14078         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
14079         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
14080         comptibility.
14081         * config/arm/ieee754-sf.S: Ditto.
14082         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
14083         (thumb1_base_register_rtx_p): ... to this.
14084         (thumb_index_register_rtx_p): Rename...
14085         (thumb1_index_register_rtx_p): ... to this.
14086         (thumb_output_function_prologue): Rename...
14087         (thumb1_output_function_prologue): ... to this.
14088         (thumb_legitimate_address_p): Rename...
14089         (thumb1_legitimate_address_p): ... to this.
14090         (thumb_rtx_costs): Rename...
14091         (thumb1_rtx_costs): ... to this.
14092         (thumb_compute_save_reg_mask): Rename...
14093         (thumb1_compute_save_reg_mask): ... to this.
14094         (thumb_final_prescan_insn): Rename...
14095         (thumb1_final_prescan_insn): ... to this.
14096         (thumb_expand_epilogue): Rename...
14097         (thumb1_expand_epilogue): ... to this.
14098         (arm_unwind_emit_stm): Rename...
14099         (arm_unwind_emit_sequence): ... to this.
14100         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
14101         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
14102         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
14103         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
14104         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
14105         thumb2_output_casesi): New functions.
14106         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
14107         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
14108         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
14109         THUMB2_WORK_REGS): Define.
14110         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
14111         arm_condexec_mask, arm_condexec_masklen)): New variables.
14112         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
14113         (arm_override_options): Check new CPU capabilities.
14114         Set new architecture flag variables.
14115         (arm_isr_value): Handle v7m interrupt functions.
14116         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
14117         Thumb-2.
14118         (const_ok_for_arm): Handle Thumb-2 constants.
14119         (arm_gen_constant): Ditto.  Use movw when available.
14120         (arm_function_ok_for_sibcall): Return false for v7m interrupt
14121         functions.
14122         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
14123         (thumb_find_work_register, arm_load_pic_register,
14124         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
14125         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
14126         print_multi_reg, output_mov_long_double_fpa_from_arm,
14127         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
14128         output_mov_double_fpa_from_arm, output_move_double,
14129         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
14130         output_return_instruction, arm_output_function_prologue,
14131         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
14132         arm_output_mi_thunk, thumb_set_return_address): Ditto.
14133         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
14134         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
14135         (arithmetic_instr, shift_op): Use arm_shift_nmem.
14136         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
14137         '!' and 'L'.
14138         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
14139         (thumb_expand_prologue): Use thumb_set_frame_pointer.
14140         (arm_file_start): Output directive for unified syntax.
14141         (arm_unwind_emit_set): Handle stack alignment instruction.
14142         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
14143         Add v6t2, v7, v7a, v7r and v7m.
14144         (RETLDM): Add Thumb-2 code.
14145         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
14146         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
14147         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
14148         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
14149         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
14150         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
14151         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
14152         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
14153         ADJUST_INSN_LENGTH): Define.
14154         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
14155         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
14156         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
14157         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
14158         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
14159         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
14160         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
14161         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
14162         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
14163         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
14164         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
14165         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
14166         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
14167         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
14168         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
14169         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
14170         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
14171         cortex-m3.
14172         * config/arm/arm-tune.md: Regenerate.
14173         * config/arm/arm-protos.h: Update prototypes.
14174         * config/arm/vfp.md: Enable patterns for Thumb-2.
14175         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
14176         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
14177         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
14178         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
14179         * config/arm/libunwind.S: Add Thumb-2 code.
14180         * config/arm/constraints.md: Update include Thumb-2.
14181         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
14182         * config/arm/ieee754-df.S: Ditto.
14183         * config/arm/bpabi.S: Ditto.
14184         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
14185         * config/arm/predicates.md (low_register_operand,
14186         low_reg_or_int_operand, thumb_16bit_operator): New.
14187         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
14188         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
14189         * config/arm/t-arm-elf: Add armv7 multilib.
14190         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
14191         Include thumb2.md.
14192         (UNSPEC_STACK_ALIGN, ce_count): New.
14193         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
14194         arm_zero_extendsidi2, arm_zero_extendqidi2): New
14195         insns/expanders.
14196         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
14197         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
14198         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
14199         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
14200         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
14201         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
14202         insns.
14203         * doc/extend.texi: Document ARMv7-M interrupt functions.
14204         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
14206 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
14208         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
14209         (struct _Unwind_Context): Rename args_size to flags, remove
14210         signal_frame field, add a new args_size field and version field.
14211         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
14212         _Unwind_IsExtendedContext): New inline functions.
14213         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
14214         Assume by_value array is only present if _Unwind_IsExtendedContext.
14215         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
14216         _Unwind_IsSignalFrame.
14217         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
14218         (uw_update_context_1): Use _Unwind_SetSignalFrame.
14219         (uw_init_context_1): Initialize context->flags to
14220         EXTENDED_CONTEXT_BIT.
14221         * config/rs6000/linux-unwind.h (frob_update_context): Use
14222         _Unwind_SetSignalFrame.
14224 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14226         PR middle-end/30353
14227         * gimplify.c (gimplify_modify_expr_complex_part): Move below
14228         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
14229         the value.
14231 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
14233         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
14234         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
14235         RET, AT_SP): Remove.
14236         * config/i386/i386.md (*sse_prologue_save_insn): Use return
14237         instead of RET.
14239         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
14240         * cfgbuild.c (find_basic_blocks): Likewise.
14241         * cfgrtl.c (rtl_create_basic_block): Likewise.
14242         * function.c (temp_slots_at_level): Likewise.
14243         * reg-stack.c (stack_regs_mentioned): Likewise.
14244         * regclass.c (allocate_reg_info): Likewise.
14245         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
14246         set_bb_for_stmt, move_block_to_fn): Likewise.
14247         * tree-complex.c (tree_lower_complex): Likewise.
14248         * vec.h (VEC_safe_grow_cleared): New.
14250         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
14252 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
14254         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
14255         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
14256         to loop_version.
14257         * cfgloopmanip.c (scale_loop_frequencies): Export.
14258         (loopify): Scale the frequencies by prescribed coefficients.
14259         (set_zero_probability): New function.
14260         (duplicate_loop_to_header_edge): Improve updating of frequencies.
14261         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
14262         and frequencies according to arguments.
14263         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
14264         correctly.
14265         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
14266         * modulo-sched.c (sms_schedule): Set probabilities for entering
14267         versioned loop correctly.
14268         * tree-vect-transform.c (vect_transform_loop): Ditto.
14269         * cfgloop.h (loopify, loop_version): Declaration changed.
14270         (scale_loop_frequencies): Declared.
14272 2007-01-02  Jan Hubicka  <jh@suse.cz>
14274         * cgraph.c: Include tree-flow.h
14275         (cgraph_add_new-function): Handle IPA_SSA mode; execute
14276         early_local_passes.
14277         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
14278         * tree-pass.h (pass_all_early_optimizations): Declare.
14279         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
14280         early_local_passes.
14281         (cgraph_analyze_function): Do early_local_passes.
14282         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
14283         Do not add referenced vars.
14284         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
14285         SSA form.
14286         (gate_all_early_local_passes): New gate.
14287         (pass_early_local_passes): Use new gate.
14288         (execute_early_local_optimizations): New functions.
14289         (gate_all_early_optimizations): New gate.
14290         (pass_all_early_optimizations): New pass.
14291         (execute_free_datastructures): Free SSA only when initialized.
14292         (gate_init_datastructures): Init only when optimizing.
14293         (tree_lowering_passes): Do early local passes when called late.
14294         * tree-profile.c (do_tree_profiling): Don't profile functions added
14295         late.
14296         (do_early_tree_profiling, pass_early_tree_profile): Kill.
14297         * tree-cfg.c (update_modified_stmts): Do not update when operands are
14298         not active.
14299         * passes.c (init_optimizations_passes): Reorder so we go into SSA
14300         during early_local_passes.
14301         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
14304 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
14306         * Makefile.in: Update copyright year.
14308 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
14310         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
14311         in $(lang_checks) and check-consistency targets.
14313 2007-01-02  Jan Hubicka  <jh@suse.cz>
14315         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
14316         Do not add referenced vars.
14317         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
14318         are not active.
14319         * passes.c (init_optimization_passes): Put mudflap_2 after
14320         free_datastructures.
14322 2007-01-02  Jan Hubicka  <jh@suse.cz>
14324         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
14325         Set NOTHROW flag on call statements proved to be nothrow.
14326         Update statement of local calls so new pure/const functions are
14327         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
14328         goto receivers.
14329         (tree_rest_of_compilation): Register hooks and initialize bitmap
14330         early. Do not set after_inlining flag.
14332 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
14334         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
14335         HOST_BITS_PER_LONGLONG
14337 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14339         PR c/19977
14340         * c-typeck.c (store_init_value): Don't emit pedantic overflow
14341         warning for non-static initializers.
14343 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
14345         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
14346         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
14347         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
14348         Always use set_unique_reg_note to add REG_EQUAL notes.
14350 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
14352         Revert:
14353         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
14355         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
14356         * cfgbuild.c (find_basic_blocks): Likewise.
14357         * cfgrtl.c (rtl_create_basic_block): Likewise.
14358         * function.c (temp_slots_at_level): Likewise.
14359         * reg-stack.c (stack_regs_mentioned): Likewise.
14360         * regclass.c (allocate_reg_info): Likewise.
14361         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
14362         set_bb_for_stmt, move_block_to_fn): Likewise.
14363         * tree-complex.c (tree_lower_complex): Likewise.
14364         * vec.h (VEC_safe_grow_cleared): New.
14366 2007-01-02  Ian Lance Taylor  <iant@google.com>
14368         * c-common.c (c_common_truthvalue_conversion): When warning about
14369         using an assignment as a truth value, set TREE_NO_WARNING.
14371 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14373         PR middle-end/7651
14374         * c.opt (Wold-style-declaration): New.
14375         * doc/invoke.texi (C-only Warning Options): New.
14376         (Wold-style-declaration): Document it.
14377         (Wextra): Enabled by -Wextra.
14378         * c-opts.c (c_common_post_options): Enabled by -Wextra.
14379         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
14380         -Wold-style-declaration.
14382 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
14384         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
14385         * cfgbuild.c (find_basic_blocks): Likewise.
14386         * cfgrtl.c (rtl_create_basic_block): Likewise.
14387         * function.c (temp_slots_at_level): Likewise.
14388         * reg-stack.c (stack_regs_mentioned): Likewise.
14389         * regclass.c (allocate_reg_info): Likewise.
14390         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
14391         set_bb_for_stmt, move_block_to_fn): Likewise.
14392         * tree-complex.c (tree_lower_complex): Likewise.
14393         * vec.h (VEC_safe_grow_cleared): New.
14395 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
14397         * c-common.c (c_common_nodes_and_builtins): Since variants of
14398         void_type_node get built before it is given a name, we need to
14399         give those variants the name, too.
14400         (complete_array_type): We need to work with the canonical main
14401         type of the array, from which we will build the qualified version.
14402         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
14403         * print-tree.c (print_node): Display canonical type information
14404         for each type.
14405         * stor-layout.c (layout_type): When we don't know the
14406         alignment of a type for which we're building an array, we end up
14407         guessing wrong, so make the type require structural equality.
14408         * tree.c (make_node_stat): When we build a new type, it is its
14409         own canonical type.
14410         (build_type_attribute_qual_variant): When building an attribute
14411         variant, its canonical type is the non-attribute variant. However,
14412         if the attributes are target-dependent and they differ, we need to
14413         use structural equality checks for this type.
14414         (build_qualified_type): A qualified type is not equivalent to its
14415         unqualified variant; set the canonical type appropriately.
14416         (build_distinct_type_copy): When building a distinct type from
14417         another type, the new type is its own canonical type.
14418         (build_variant_type_copy): When building a new type variant, we
14419         assume that it is equivalent to the original type.
14420         (build_pointer_type_for_mode): When building a pointer type, also
14421         build a canonical type pointer.
14422         (build_reference_type_for_mode): When building a reference type,
14423         also build a canonical type reference.
14424         (build_index_type): When we can't hash an index type (e.g.,
14425         because its maximum value is negative), the index type requires
14426         structural equality tests.
14427         (build_array_type): Build the canonical form of an array type.
14428         (build_function_type): Function types require structural equality,
14429         because they contain default arguments, attributes, etc.
14430         (build_method_type_directly): Ditto for method types.
14431         (build_offset_type): Build the canonical offset type.
14432         (build_complex_type): Build the canonical vector type.
14433         (make_vector_type): Build the canonical vector type.
14434         * tree.h (TYPE_CANONICAL): New.
14435         (TYPE_STRUCTURAL_EQUALITY_P): New.
14436         (SET_TYPE_STRUCTURAL_EQUALITY): New.
14437         (struct tree_type): Added "canonical" field.
14438         * params.h (VERIFY_CANONICAL_TYPES): New.
14439         * doc/c-tree.texi (TYPE_CANONICAL): Document.
14440         (TYPE_STRUCTURAL_EQUALITY_P): Document.
14441         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
14442         * doc/invoke.texi (verify-canonical-types): Document --param
14443         parameter for verifying canonical types.
14445 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
14447         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
14448         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
14449         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
14450         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
14451         tm_file.
14452         * config/rs6000/e500.h: New.
14453         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
14454         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
14455         Remove.
14456         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
14457         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
14458         TARGET_E500_DOUBLE): Remove.
14459         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
14460         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
14461         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
14462         * config/rs6000/rs6000.c (rs6000_override_options): Use
14463         CHECK_E500_OPTIONS.
14465 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
14467         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
14468         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
14469         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
14470         rs6000_emit_cmove): Don't check TARGET_E500.
14471         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
14472         sordered): Don't check TARGET_E500.
14474 2007-01-01  Eric Christopher  <echristo@apple.com>
14476         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
14477         HARD_REGISTER_NUM_P.
14479 2007-01-01  Roger Sayle  <roger@eyesopen.com>
14481         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
14482         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
14483         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
14484         eq/ne Y".
14486 2007-01-01  Mike Stump  <mrs@apple.com>
14488         * configure.ac: Remove support for building with Apple's gcc-3.1.
14490 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
14492         PR middle-end/30311
14493         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
14494         REG is a hard register.  Do not modify REG before calling
14495         subreg_nregs.
14496         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
14497         multiple of the size of YMODE for certain lowpart cases.
14499 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
14501         PR middle-end/30253
14502         * gimplify (voidify_wrapper_expr): Update for
14503         GIMPLE_MODIFY_STMT.
14505 2007-01-01  Andreas Schwab  <schwab@suse.de>
14507         PR target/29166
14508         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
14509         save of BR0 in extra_spill_size instead of spill_size.
14510         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
14511         area.
14512         (ia64_expand_epilogue): Restore BR0 from its new location.
14514 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
14516         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
14517         Use a temporary variable if the left hand side is not a gimple
14518         register.
14520 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
14522         * gimplify.c (gimplify_return_expr): Make the temporary variable
14523         for the return expression, a gimple register variable.
14525 2007-01-01  Jan Hubicka  <jh@suse.cz>
14527         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
14528         INSN_LIST.
14530 2007-01-01  Mike Stump  <mrs@apple.com>
14532         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
14533         .literal16.
14534         * config/darwin.c (machopic_select_rtx_section): Use
14535         HAVE_GAS_LITERAL16.
14536         (darwin_mergeable_constant_section): Likewise.
14537         * configure: Regenerate.
14538         * config.in: Regenerate.
14540 2007-01-01  Jan Hubicka  <jh@suse.cz>
14541             Andrew Pinski  <pinskia@gmail.com>
14543         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
14544         before starting IPA passes.