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* config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
2
3         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
4         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
5         in 32bit mode when XMM registers are available to avoid store
6         forwarding stalls.
7         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
8         corresponding post-reload splitters.
9
10 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
11
12         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
13         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
14         __builtin_ia32_roundss.
15         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
16         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
17         __builtin_ia32_roundss.
18         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
19         IX86_BUILTIN_SHUFPD here.
20
21 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
22
23         * config/i386/i386.md (plogic): New.
24         (plogicprefix): Likewise.
25
26         * config/i386/mmx.md (mmx_<code><mode>3): New.
27         (mmx_and<mode>3): Removed.
28         (mmx_ior<mode>3): Likewise.
29         (mmx_xor<mode>3): Likewise.
30
31         * config/i386/sse.md (<code><mode>3): New.
32         (*<code><mode>3): Likewise.
33         (*<code><mode>3): Likewise.
34         (<code><mode>3): Likewise.
35         (*sse_<code><mode>3): Likewise.
36         (*sse2_<code><mode>3): Likewise.
37         (<code>tf3): Likewise.
38         (*<code>tf3): Likewise.
39         (and<mode>3): Likewise.
40         (*and<mode>3): Likewise.
41         (ior<mode>3): Removed.
42         (*ior<mode>3): Likewise.
43         (xor<mode>3): Likewise.
44         (*xor<mode>3): Likewise.
45         (*and<mode>3): Likewise.
46         (*ior<mode>3): Likewise.
47         (*xor<mode>3): Likewise.
48         (and<mode>3): Likewise.
49         (*sse_and<mode>3): Likewise.
50         (*sse2_and<mode>3): Likewise.
51         (andtf3): Likewise.
52         (*andtf3): Likewise.
53         (ior<mode>3): Likewise.
54         (*sse_ior<mode>3): Likewise.
55         (*sse2_ior<mode>3): Likewise.
56         (iortf3): Likewise.
57         (*iortf3): Likewise.
58         (xor<mode>3): Likewise.
59         (*sse_xor<mode>3): Likewise.
60         (*sse2_xor<mode>3): Likewise.
61         (xortf3): Likewise.
62         (*xortf3): Likewise.
63
64 2008-04-02  Richard Guenther  <rguenther@suse.de>
65
66         PR tree-optimization/14495
67         PR tree-optimization/34793
68         * tree-vrp.c (struct switch_update): New structure.
69         (to_remove_edges, to_update_switch_stmts): New VECs.
70         (simplify_switch_using_ranges): New function.  Remove not taken
71         case labels and edges.
72         (simplify_stmt_using_ranges): Call it.
73         (identify_jump_threads): Mark edges we have queued for removal
74         so we don't thread them.
75         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
76         case label vector.
77         * tree-cfg.c (group_case_labels): Deal with missing default label.
78         (tree_verify_flow_info): Allow missing default label.
79         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
80         (emit_case_nodes): Likewise.
81         (expand_case): Do not rely on the default label to be present.
82         * expr.c (try_casesi): Deal with NULL default_label.
83         (do_tablejump): Likewise.
84
85 2008-04-02  Richard Guenther  <rguenther@suse.de>
86
87         PR tree-optimization/14495
88         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
89         SWITCH_EXPR here ...
90         (vrp_visit_switch_stmt): ... but here (new function).
91         (find_case_label_index): New helper function.
92         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
93
94 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
95
96         * fwprop.c: Fix ISO-C99ism.
97
98 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
99
100         PR bootstrap/35752
101         * Makefile.in (objdir): Set it here.
102         * configure.ac: Not here.  Find dynamic linker characteristics.
103         * exec-tool.in: Use them.
104         * aclocal.m4: Regenerate.
105         * configure: Regenerate.
106
107 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
108
109         * expr.c (expand_var): Delete it.
110         * expr.h (expand_var): Delete prototype.
111         * function.c (expand_function_start): Use expand_decl instead.
112         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
113         langhook.
114
115 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
116
117         PR rtl-optimization/35542
118         * fwprop.c (forward_propagate_and_simplify): Replace
119         loc_reg_mentioned_in_p with reg_mentioned_p.
120
121 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
122
123         PR rtl-optimization/35281
124         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
125         (propagate_rtx_1): Handle PR_HANDLE_MEM.
126         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
127         (varying_mem_p): Move above propagate_rtx.
128         (all_uses_available_at): Do not check MEMs.
129
130 2008-04-02  Rafael Espindola  <espindola@google.com>
131
132         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
133         (register_edge_assert_for_2): Split the cond argument.
134         (register_edge_assert_for_1): Adjust for the change in
135         register_edge_assert_for_2.
136         (register_edge_assert_for): Split the cond argument.
137         (find_switch_asserts): Adjust for the change in
138         register_edge_assert_for.
139
140 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
141
142         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
143         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
144         offsets for 64-bit mingw.
145         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
146         abi for x86_64-pc-mingw.
147
148 2008-04-02  Richard Guenther  <rguenther@suse.de>
149
150         * tree-vrp.c (extract_range_from_assert): Make sure to not
151         produce range min/max with TREE_OVERFOW set.
152         If merging a anti-range and a range keep the anti-range if
153         the range covers all values of the type.
154         (register_edge_assert_for_2): Only allow sign-changing
155         conversions in detecting canonical range checks.  Also
156         register an assert for the unsigned name if useful.
157
158         PR tree-optimization/35787
159         * tree-vrp.c (vrp_val_max): New function.
160         (vrp_val_min): Likewise.
161         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
162         (vrp_val_is_min): Likewise.
163         (supports_overflow_infinity): Use vrp_val_{min,max}.
164         (negative_overflow_infinity): Likewise.
165         (positive_overflow_infinity): Likewise.
166         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
167         (is_positive_overflow_infinity): Likewise.
168         (is_overflow_infinity): Likewise.
169         (avoid_overflow_infinity): Use vrp_val_{min,max} and
170         vrp_val_is_{min,max}.
171         (set_and_canonicalize_value_range): Canonicalize anti-ranges
172         to ranges if possible.  Avoid empty ranges.
173
174 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
175
176         PR middle-end/35705
177         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
178         the expression is a function address.
179
180 2008-04-01  George Helffrich  <george@gcc.gnu.org>
181
182         PR fortran/PR35154, fortran/PR23057
183         * fortran/trans-common.c (create_common):  Add decl to function
184         chain to preserve identifier scope in debug output.
185
186         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
187         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
188         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
189         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
190         in common.
191         (dbxout_syms): Check for COMMON-based symbol and wrap in
192         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
193         in bracket for efficiency.
194
195         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
196         using DW_TAG_common_block + member offset.
197         (add_pubname_string): New function.
198         (dw_expand_expr): New function to find block name and offset for
199         COMMON var.
200         (common_check): New function to check whether symbol in Fortran COMMON.
201         (gen_variable_die): If COMMON, use DW_TAG_common_block.
202
203         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
204         use of common is unchanged.
205
206         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
207         with all combinations of debug options available on target.
208         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
209         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
210         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
211         .stabs functionality.
212         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
213         DWARF functionality.
214
215 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
216
217         PR c/35436
218         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
219
220 2008-04-02  Ben Elliston  <bje@au.ibm.com>
221
222         * config/v850/v850.md (casesi): Remove if (0) code.
223         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
224         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
225
226 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
227
228         * config/i386/i386.md (rex64suffix): New mode attribute.
229         (floathi<mode>2): Disable expander for SSE math.
230         (*floathi<mode>2_1): New insn insn_and_split pattern.
231         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
232         corresponding post-reload splitters.
233         (*floathi<mode>2_i387): New macroized insn pattern.
234         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
235         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
236         insn_and_split pattern.
237         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
238         New macroized instruction patterns and corresponding post-reload
239         splitters.
240         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
241         and corresponding post-reload splitters.
242         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
243         New macroized instruction patterns.
244         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
245         macroized instruction patterns and corresponding post-reload splitters.
246         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
247         corresponding post-reload splitters.
248         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
249         New macroized instruction patterns.
250         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
251         corresponding post-reload splitters.
252         (*floatsi<mode>2_i387): New macroized instruction patterns.
253
254 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
255
256         * config/i386/i386.md (smaxmin): New.
257         (umaxmin): Likewise.
258         (maxminiprefix): Likewise.
259         (maxminfprefix): Likewise.
260         (<code><mode>3): Likewise.
261         (smin<mode>3): Removed.
262         (smax<mode>3): Likewise.
263
264         * config/i386/mmx.md (mmx_<code>v2sf3): New.
265         (mmx_<code>v4hi3): Likewise.
266         (mmx_<code>v8qi3): Likewise.
267         (mmx_smaxv2sf3): Removed.
268         (mmx_sminv2sf3): Likewise.
269         (mmx_umaxv8qi3): Likewise.
270         (mmx_smaxv4hi3): Likewise.
271         (mmx_uminv8qi3): Likewise.
272         (mmx_sminv4hi3): Likewise.
273
274         * config/i386/sse.md (<addsub><mode>3): New.
275         (*<addsub><mode>3): Likewise.
276         (<sse>_vm<addsub><mode>3): Likewise.
277         (<maxmin><mode>3): Likewise.
278         (*<maxmin><mode>3_finite): Likewise.
279         (*<maxmin><mode>3): Likewise.
280         (<sse>_vm<maxmin><mode>3): Likewise.
281         (sse3_h<addsub>v4sf3): Likewise.
282         (sse3_h<addsub>v2df3): Likewise.
283         (<maxmin>v16qi3): Likewise.
284         (*<maxmin>v16qi3): Likewise.
285         (<maxmin>v8hi3): Likewise.
286         (*<maxmin>v8hi3): Likewise.
287         (*sse4_1_<maxmin><mode>3): Likewise.
288         (*sse4_1_<maxmin><mode>3): Likewise.
289         (add<mode>3): Removed.
290         (*add<mode>3): Likewise.
291         (<sse>_vmadd<mode>3): Likewise.
292         (sub<mode>3): Likewise.
293         (*sub<mode>3): Likewise.
294         (<sse>_vmsub<mode>3): Likewise.
295         (smin<mode>3): Likewise.
296         (*smin<mode>3_finite): Likewise.
297         (*smin<mode>3): Likewise.
298         (<sse>_vmsmin<mode>3): Likewise.
299         (smax<mode>3): Likewise.
300         (*smax<mode>3_finite): Likewise.
301         (*smax<mode>3): Likewise.
302         (<sse>_vmsmax<mode>3): Likewise.
303         (sse3_haddv4sf3): Likewise.
304         (sse3_haddv2df3): Likewise.
305         (sse3_hsubv4sf3): Likewise.
306         (sse3_hsubv2df3): Likewise.
307         (umaxv16qi3): Likewise.
308         (*umaxv16qi3): Likewise.
309         (smaxv8hi3): Likewise.
310         (*smaxv8hi3): Likewise.
311         (*sse4_1_smax<mode>3): Likewise.
312         (*sse4_1_umax<mode>3): Likewise.
313         (uminv16qi3): Likewise.
314         (*uminv16qi3): Likewise.
315         (sminv8hi3): Likewise.
316         (*sminv8hi3): Likewise.
317         (*sse4_1_smin<mode>3): Likewise.
318         (*sse4_1_umin<mode>3): Likewise.
319
320 2008-04-01  Rafael Espindola  <espindola@google.com>
321
322         * tree-cfg.c (verify_expr): remove in_phi.
323         (verify_stmt): Don't call walk_tree with verify_expr. Use
324         is_gimple_min_invariant instead of is_gimple_val.
325
326 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
327
328         * doc/include/gpl_v3.texi: Update for manpage generation.
329         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
330         gpl.texi.
331         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
332         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
333         gpl_v3.texi instead of gpl.texi.
334         (gpl.pod): New.
335
336 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
337
338         PR pch/13675
339         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
340
341 2008-04-01  Rafael Espindola  <espindola@google.com>
342
343         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
344         (extract_code_and_val_from_cond): Use
345         extract_code_and_val_from_cond_with_ops.
346
347 2008-04-01  Jan Hubicka  <jh@suse.cz>
348
349         * function.c (free_after_compilation): Free epilogue_delay_list.
350         (prepare_function_start): Assert that previous compilation was freed.
351
352 2008-04-01  Jan Hubicka  <jh@suse.cz>
353             Jim Wilson  <wilson@tuliptree.org>
354             Andreas Tobler <andreast@gcc.gnu.org>
355
356         PR middle-end/35781
357         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
358         rtl.emit instead cfun->emit.
359         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
360         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
361
362 2008-04-01  Ben Elliston  <bje@au.ibm.com>
363
364         * doc/c-tree.texi (Function Basics): Fix grammatical error.
365
366 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
367
368         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
369         New options
370         (fprofile-use): Add var flag_profile_use
371         * coverage.c (coverage_begin_output): Do not open a gcno file for
372         output only if -ftest-coverage is set.
373         Do not add getpwd() to gcda file path.
374         (build_gcov_info): Check the new flag
375         flag_profile_datafile_relative_path.
376         (coverage_init): Use profile_data_prefix.
377         Read profile counter only if flag_profile_use is set.
378         * opts.c (common_handle_option): New option fprofile-use=,
379         fprofile-dir=, fprofile-generate=.
380         * toplev.c (profile_data_prefix): New variable definition.
381         * toplev.h (profile_data_prefix): New declaration.
382         * doc/invoke.tex (Option Summary, Optimization Options):
383         Add new options.
384
385 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
386
387         * varasm.c (output_constant_pool_1): In LABEL_REF check,
388         use tmp consistently.
389
390         PR target/35695
391         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
392         * config/ia64/ia64.c (rtx_needs_barrier): Handle
393         UNSPEC_FR_RECIP_APPROX_RES.
394         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
395
396 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
397
398         PR c/35750
399         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
400
401 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
402
403         PR middle-end/30186
404         * fold-const.c (fold_indirect_ref_1): Support accessing non first
405         element of the vector via a pointer.
406
407 2008-03-31  Ian Lance Taylor  <iant@google.com>
408
409         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
410
411 2008-03-31  Jan Hubicka  <jh@suse.cz>
412
413         * builtins.c (expand_builtin_setjmp_receiver): Update call of
414         get_arg_pointer_save_area.
415         * expr.c (init_expr): Just clear out rtl.expr.
416         * function.c (free_after_compilation): Clear out whole RTL structure.
417         (get_func_frame_size): Merge into ...
418         (get_frame_size): ... this one.
419         (assign_stack_local_1): Merge into ...
420         (assign_stack_local): ... this one.
421         (expand_function_end): Update call of get_arg_pointer_save_area.
422         (get_art_pointer_save_area): Remove cfun argument.
423         * function.h (emit_status): regno_pointer_align does not need length
424         attribute. Move x_regno_reg_rtx to ...
425         (regno_reg_rtx): ... new global array.
426         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
427         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
428         apply_args_value, forced_labels, stack_pointer_delta):
429         Update accestors.
430         (struct varasm_status): Move here from varasm.c
431         (struct rtl_data): New. Move here some fields from struct function.
432         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
433         frame_offset, stack_check_probe_note, arg_pointer_save_area,
434         used_temp_slots avail_temp_slots, temp_slot_level,
435         nonlocal_goto_handler_labels): Update accesstors.
436         (rtl): New global variable.
437         (struct function): Move some fileds to rtl_data.
438         (get_arg_pointer_save_area): Update prototype.
439         * emit-rtl.c (rtl): Declare.
440         (regno_reg_rtx): Declare.
441         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
442         Update.
443         (gen_reg_rtx): Update.
444         (init_virtual_regs): Do not tate emit_status argument.
445         (init_emit): Do not allocate emit.
446         * varasm.c (varasm_statuc): Move to function.h.
447         (n_deferred_constatns): Update accestor.
448         (init_varasm_status): Do not allocate varasm_status.
449         (force_const_mem, get_pool_size, output_constant_pool): Update.
450         * stmt.c (force_label_rtx): Do not use x_ prefixes.
451         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
452
453 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
454
455         PR rtl-optimization/35729
456         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
457         references.
458
459 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
460
461         PR target/32000
462         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
463         load/store if memory is unaligned.
464         (*movti_rex64): Likewise.
465
466         * config/i386/predicates.md (misaligned_operand): New.
467
468 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
469
470         PR tree-opt/35431
471         * tree-ssa-phiopt.c (conditional_replacement): Return early for
472         complex types.
473
474 2008-03-31  Jan Beulich  <jbeulich@novell.com>
475
476         * config/ia64/constraints.md: Add 'j' constraint.
477         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
478         (movdi_internal): Likewise.
479
480 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
481
482         PR c/35748
483         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
484
485 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
486
487         PR target/35757
488         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
489         proper error message for the third argument on blendpd and
490         blendps.
491
492         * config/i386/sse.md (blendbits): New.
493         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
494
495 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
496
497         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
498
499 2008-03-30  Richard Guenther  <rguenther@suse.de>
500
501         PR middle-end/31023
502         * fold-const.c (fold_sign_changed_comparison): Do leave
503         conversions to base-types alone.
504
505 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
506
507         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
508         the link register if one altivec register is be saved.
509
510 2008-03-30  Ben Elliston  <bje@au.ibm.com>
511
512         * final.c (final_scan_insn): Remove if (0) code.
513
514 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
515
516         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
517
518 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
519
520         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
521         of V4SFmode to ix86_binary_operator_ok.
522
523 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
524
525         * config/i386/i386.c (override_options): Initialize
526         ix86_veclib_handler to ix86_veclibabi_svml when
527         -mveclibabi=svml is used.
528         (ix86_veclibabi_svml): New function for SVML ABI style
529         vectorization support.
530         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
531
532 2008-03-28  Rafael Espindola  <espindola@google.com>
533
534         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
535         (tree_binary_nonnegative_warnv_p): Make it public.
536         (tree_single_nonnegative_warnv_p): Make it public.
537         (tree_invalid_nonnegative_warnv_p): Make it public.
538         (tree_unary_nonzero_warnv_p): Make it public.
539         (tree_binary_nonzero_warnv_p): Make it public
540         (tree_single_nonzero_warnv_p): Make it public.
541         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
542         (extract_range_from_binary_expr): Split the expr argument.
543         (extract_range_from_unary_expr): Split the expr argument.
544         (extract_range_from_comparison): Split the expr argument.
545         (extract_range_from_expr): Use the new aux functions.
546         (vrp_evaluate_conditional_warnv): Use
547         vrp_evaluate_conditional_warnv_with_ops.
548         * tree.h (tree_unary_nonzero_warnv_p): Declare.
549         (tree_binary_nonzero_warnv_p): Declare.
550         (tree_single_nonzero_warnv_p): Declare.
551         (tree_expr_nonzero_warnv_p): Declare.
552         (tree_unary_nonnegative_warnv_p): Declare.
553         (tree_binary_nonnegative_warnv_p): Declare.
554         (tree_single_nonnegative_warnv_p): Declare.
555         (tree_invalid_nonnegative_warnv_p): Declare.
556
557 2008-03-28  Richard Guenther  <rguenther@suse.de>
558
559         PR tree-optimization/30317
560         PR tree-optimization/30911
561         PR tree-optimization/34793
562         * tree-vrp.c (set_and_canonicalize_value_range): New function.
563         (struct assert_locus_d): New member EXPR.
564         (register_new_assert_for): Add EXPR parameter to support
565         ASSERT_EXPR <name, expr OP limit>.
566         (register_edge_assert_for_1): Adjust callers.
567         (find_assert_locations): Likewise.
568         (process_assert_insertions_for): Build condition from expression.
569         (extract_range_from_assert): Handle ASSERT_EXPRs
570         of the form ASSERT_EXPR <name, expr OP limit>.
571         (register_edge_assert_for_2): New helper registering
572         asserts for comparisons.  Recognize range tests of the form
573         (unsigned)i - CST1 OP CST2.
574         (register_edge_assert_for_1): Use it.
575         (register_edge_assert_for): Likewise.
576         (needs_overflow_infinity): Integer sub-types
577         do not need overflow infinities.
578         (vrp_val_is_max): The extreme values of integer sub-types
579         are those of the base type.
580         (vrp_val_is_min): Likewise.
581         * tree.def (ASSERT_EXPR): Document extra allowed conditional
582         expressions.
583
584 2008-03-28  Nick Clifton  <nickc@redhat.com>
585
586         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
587         Return GENERAL_REGS for stack adjustment reloads.
588
589 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
590
591         PR target/31334
592         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
593         const_vector when all the vectors are constant.
594
595 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
596
597         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
598         comparisons.
599         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
600         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
601         (scc_sf): New.
602         (s<code>_sf): Use new scc_sf attribute for opcode names.
603
604 2008-03-27  Tom Tromey  <tromey@redhat.com>
605
606         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
607         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
608         config/spu/t-spu-elf, config/i386/t-interix,
609         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
610         config/i386/x-darwin, config/i386/x-mingw32,
611         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
612         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
613         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
614         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
615         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
616         config/rs6000/x-darwin, config/rs6000/t-rs6000,
617         config/score/t-score-elf, config/arm/t-strongarm-pe,
618         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
619         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
620         Revert automatic dependency patch.
621
622 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
623
624         PR target/35657
625         * config/i386/i386.c (ix86_function_arg_boundary): Align
626         decimal floating point to its natural boundary.
627
628 2008-03-27  Richard Guenther  <rguenther@suse.de>
629
630         PR middle-end/35716
631         * fold-const.c (fold_comparison): Restrict distinct decl
632         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
633         solely rely on operand_equal_p.
634
635 2008-03-27  Richard Guenther  <rguenther@suse.de>
636
637         PR c/32511
638         * c-common.c (handle_weak_attribute): Reject combination of
639         weak and inline.
640
641 2008-03-27  Richard Guenther  <rguenther@suse.de>
642
643         PR tree-optimization/32810
644         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
645         conversions from DECL_INITIAL.
646         (fold_const_aggregate_ref): Likewise from constructor elements.
647
648 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
649
650         * tree-affine.h (aff_combination_expand): Declare.
651         (get_inner_reference_aff): Likewise.
652         * tree-affine.c (aff_combination_expand): Split out from
653         tree_to_aff_combination_expand.
654         (get_inner_reference_aff): New function.
655         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
656         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
657         (struct lim_aux_data): sm_done field removed.
658         (mem_ref_loc_p, mem_ref_locs_p): New types.
659         (struct mem_ref): Added id, stored, accesses_in_loop,
660         indep_loop, dep_loop, indep_ref, dep_ref fields.
661         Removed is_stored, locs and next fields.
662         (memory_accesses): New variable.
663         (movement_possibility): Do not allow moving statements
664         that store to memory.
665         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
666         New functions.
667         (determine_max_movement): For statements with memory references,
668         find the outermost loop in that the reference is independent.
669         (move_computations_stmt): Mark the virtual operands for renaming.
670         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
671         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
672         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
673         add_vop_ref_mapping, create_vop_ref_mapping_loop,
674         create_vop_ref_mapping, analyze_memory_references,
675         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
676         get_all_locs_in_loop, ref_always_accessed_p,
677         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
678         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
679         store_motion_loop, store_motion): New functions.
680         (struct vop_to_refs_elt): New type.
681         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
682         memref_hash, memref_eq, hoist_memory_references): Rewritten.
683         (schedule_sm): Replaced by...
684         (execute_sm): ... this.
685         (determine_lsm_ref, hoist_memory_references,
686         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
687         find_more_ref_vops, free_mem_ref, free_mem_refs,
688         determine_lsm_loop, determine_lsm): Removed.
689         (tree_ssa_lim_finalize): Free data structures used by store motion.
690         (tree_ssa_lim): Call analyze_memory_references.  Use
691         store_motion instead of determine_lsm.
692
693 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
694
695         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
696         rename tmake_file to m68hc11/t-m68hc11.
697         (mcore): Set inhibit_libc to true.
698         * config.host (alpha*-dec-*vms*): Set extra_programs.
699         (interix3*): Don't use host_xmake_file.
700         * configure.ac: Let config.gcc override inhibit_libc.
701         * configure: Regenerate.
702
703         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
704         * config/t-openbsd-thread: Remove commented out lines.
705         
706         * config/x-interix: Remove.
707
708         * config/m68hc11/t-m68hc11-gas: Rename to...
709         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
710
711         * config/mcore/t-mcore: Remove T_CFLAGS.
712         * config/mcore/t-mcore-pe: Likewise.
713
714 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
715
716         * configure.ac: Replace custom __GNU_SOURCE test with
717         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
718         * aclocal.m4: Regenerate.
719         * configure: Regenerate.
720         * config.in: Regenerate.
721
722 2008-03-27  Richard Guenther  <rguenther@suse.de>
723
724         * fold-const.c (target.h): Include.
725         (fold_comparison): Fold comparison of addresses of decls
726         that bind locally or of constants.  Consolidate address folding code.
727         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
728         results from fold_binary_to_constant.
729         (compare_values_warnv): Likewise.
730
731 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
732
733         PR middle-end/35429
734         * fold-const.c (fold_truthop): Check for integeral types when folding
735         a == 0 && b == 0 and a != 0 || b != 0 .
736
737 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
738
739         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
740
741 2008-03-26  Andreas Schwab  <schwab@suse.de>
742
743         * doc/invoke.texi: Fix use of @item vs. @itemx.
744
745 2008-03-26  Tom Tromey  <tromey@redhat.com>
746
747         * Makefile.in (build/gensupport.o, build/print-rtl.o,
748         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
749         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
750         build/gencodes.o, build/genconditions.o, build/genconfig.o,
751         build/genconstants.o, build/genemit.o, build/genextract.o,
752         build/genflags.o, build/genmddeps.o, build/genopinit.o,
753         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
754         options.h.
755
756 2008-03-26  Richard Guenther  <rguenther@suse.de>
757
758         Revert
759         2008-03-26  Richard Guenther  <rguenther@suse.de>
760
761         * fold-const.c (target.h): Include.
762         (fold_comparison): Fold comparison of addresses of two decls
763         that bind locally.  Consolidate address folding code.
764
765 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
766
767         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
768         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
769         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
770         dconstsqrt2, dconstthird, dconste and/or dconst10.
771         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
772         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
773         dconstsqrt2, dconste): Delete.
774         (init_emit_once): Likewise.  Simplify initializing dconstm1.
775         Constify variable.
776         * real.c (get_real_const): New.
777         * real.h (dconst3, dconst10, dconstm2, dconstthird,
778         dconstsqrt2, dconste): Delete.
779         (real_value_const, get_real_const): New.
780
781 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
782
783         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
784
785         * config/i386/i386.c (ix86_function_arg_boundary): Check
786         BIGGEST_ALIGNMENT instead of 128.
787         (setup_incoming_varargs_64): Likewise.
788
789 2008-03-26  Tom Tromey  <tromey@redhat.com>
790
791         * Makefile.in (DEPFILES): Add missing '/'.
792
793 2008-03-26  Richard Guenther  <rguenther@suse.de>
794
795         * fold-const.c (target.h): Include.
796         (fold_comparison): Fold comparison of addresses of two decls
797         that bind locally.  Consolidate address folding code.
798
799 2008-03-26  Nick Clifton  <nickc@redhat.com>
800
801         PR target/31232
802         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
803         not allow INT+INT as a legitimate addressing mode.
804
805 2008-03-26  Richard Guenther  <rguenther@suse.de>
806
807         * tree-flow.h (widen_bitfield): Remove declaration.
808         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
809         (widen_bitfield): Remove function.
810         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
811         code.
812
813 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
814
815         PR target/31558
816         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
817         error_mark_node's.
818
819 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
820
821         PR rtl-optimization/35232
822         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
823         (forget_old_reloads_1, forget_marked_reloads): Don't clear
824         reg_reloaded_call_part_clobbered here.
825         (reload_regs_reach_end_p): New function.
826         (reload_reg_rtx_for_input): New variable.
827         (reload_reg_rtx_for_output): Likewise.
828         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
829         when reassigning a pseudo register.  Load reloadreg from 
830         reload_reg_rtx_for_input, moving the mode and register
831         calculation to...
832         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
833         instead of the original when deciding whether an input reload
834         would be a no-op or whether an output reload can be deleted.
835         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
836         when setting up new_spill_reg_store.  Load it from
837         reload_reg_rtx_for_output, moving the mode and register
838         calculation to...
839         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
840         instead of the original when deciding whether an output reload
841         would be a no-op.  Do the same when modifying insn notes.
842         Use rtx_equal_p instead of == to compare the registers.
843         (inherit_piecemeal_p): Take a mode and two register numbers
844         as argument.
845         (emit_reload_insns): Clear new_spill_reg_store for every hard
846         register in the reload register.  Remove spill registers
847         from reg_reloaded_valid before considering whether to record
848         inheritance information for them.  Use reload_reg_rtx_for_output
849         instead of reg_rtx when recording output reloads.  Use
850         reload_reg_rtx_for_input instead of reg_rtx when recording
851         input reloads.  Set or clear reg_reloaded_call_part_clobbered
852         at the same time as setting reg_reloaded_valid.
853         (delete_output_reload): Add a new_reload_reg parameter and use it
854         instead of rld[j].reg_rtx.
855         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
856         calls accordingly.
857
858 2008-03-25  Tom Tromey  <tromey@redhat.com>
859
860         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
861         (build/genattr.o): Likewise.
862         (build/genattrtab.o): Likewise.
863         (build/gencodes.o): Likewise.
864         (build/genconfig.o): Likewise.
865         (build/genconstants.o): Likewise.
866         (build/genemit.o): Likewise.
867         (build/genextract.o): Likewise.
868         (build/genflags.o): Likewise.
869
870 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
871         
872         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
873         instead of size_int for integer types.
874         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
875         to match type of MINUS_EXPR.
876         
877 2008-03-25  Tom Tromey  <tromey@redhat.com>
878
879         * configure: Rebuilt.
880         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
881         Makefile.
882
883 2008-03-25  Tom Tromey  <tromey@redhat.com>
884
885         * config/x-solaris (host-solaris.o): Update.
886         * config/x-linux (host-linux.o): Update.
887         * config/x-hpux (host-hpux.o): Update.
888         * config/x-darwin (host-darwin.o): Update.
889         * config/v850/t-v850e (v850-c.o): Update.
890         * config/v850/t-v850 (v850-c.o): Update.
891         * config/t-vxworks (vxworks.o): Update.
892         * config/t-sol2 (sol2-c.o, sol2.o): Update.
893         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
894         * config/spu/t-spu-elf (spu-c.o): Update.
895         (spu.o): Remove.
896         * config/sh/t-symbian (sh-c.o): Update.
897         (symbian.o): Update.
898         * config/sh/t-sh (sh-c.o): Update.
899         * config/score/t-score-elf (score7.o, score3.o): Update.
900         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
901         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
902         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
903         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
904         (rs6000.o): Remove.
905         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
906         * config/m32c/t-m32c (m32c-pragma.o): Update.
907         * config/ia64/t-ia64 (ia64-c.o): Update.
908         * config/i386/x-mingw32 (host-mingw32.o): Update.
909         * config/i386/x-i386 (driver-i386.o): Update.
910         * config/i386/x-darwin (host-i386-darwin.o): Update.
911         * config/i386/x-cygwin (host-cygwin.o): Update.
912         * config/i386/t-nwld (nwld.o): Update.
913         * config/i386/t-netware (netware.o): Update.
914         * config/i386/t-interix (winnt.o): Update.
915         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
916         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
917         msformat-c.o): Update.
918         * config/bfin/t-bfin-linux (generated_files): Add
919         linux-sysroot-suffix.h.
920         * config/arm/t-wince-pe (pe.o): Update.
921         * config/arm/t-strongarm-pe (pe.o): Update.
922         * config/arm/t-pe (pe.o): Update.
923         * config/arm/t-arm (arm-c.o): Update.
924         * doc/install.texi (Prerequisites): Require make 3.80.
925         * Makefile.in: Remove .o targets.
926         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
927         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
928         (simple_generated_h, simple_generated_c): Move earlier.
929         (generated_files): New variable.
930         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
931         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
932         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
933         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
934         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
935         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
936         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
937         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
938         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
939         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
940         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
941         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
942         (.c.o): Remove.
943         (COMPILE.base, COMPILE): New variables.
944         (%.o): New pattern rule.
945         (ALL_HOST_OBJS): New variable.
946         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
947         (dummy-checksum.o, cc1-checksum.o): Remove.
948         (DRIVER_SHLIB): New variable.
949         (DRIVER_DEFINES): Use it.
950         (gencondmd.c): Move out of build/.
951         (s-conditions): Update.
952         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
953         (ALL_BUILD_OBJS): Likewise.
954         (build/%.o): Use BUILDCOMPILE.
955         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
956         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
957         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
958         build/gencheck.o, build/gencodes.o, build/genconditions.o,
959         build/genconfig.o, build/genconstants.o, build/genemit.o,
960         build/genextract.o, build/genflags.o, build/genmddeps.o,
961         build/genopinit.o, build/genoutput.o, build/genpeep.o,
962         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
963         build/gen-protos.o, build/scan.o, build/fix-header.o,
964         build/scan-decls.o): Simplify.
965         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
966         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
967         prefix.o, toplev.o): Reduce to variable setting.
968         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
969         ($(out_object_file), gcc-options.o): New targets.
970         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
971         * configure: Rebuilt.
972         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
973         * doc/sourcebuild.texi (Front End Directory): Document new variable.
974
975 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
976
977         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
978         complain when we hit an error, return ERROR_MARK_NODE.
979
980 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
981
982         * config/sh/constraints.md (Pso, Psz): New constraints.
983         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
984         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
985
986 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
987
988         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
989         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
990
991 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
992
993         * config/sh/sh.md (prefetch): Add condition for SH2A target.
994         (prefetch_sh2a): New.   
995
996 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
997             Naveen.H.S  <naveen.hs@kpitcummins.com>
998
999         * config/sh/constraints.md (I28): New constraint.
1000         * config/sh/sh.c (broken_move): Add support for movi20s.
1001         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1002
1003 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1004             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1005             Naveen.H.S  <naveen.hs@kpitcummins.com>
1006
1007         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1008         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1009         (print_operand): Handle resbank in %@ operand code.
1010         (sh_encode_section_info): New.
1011         (push_regs): Add conditions for resbank.
1012         (sh_expand_epilogue): Likewise.
1013         (sh_insert_attributes): Likewise.
1014         (sh_attribute_table): Likewise.
1015         (sh_handle_resbank_handler_attribute): New.
1016         (sh2a_handle_function_vector_handler_attribute): New.
1017         (sh2a_is_function_vector_call): New.
1018         (sh2a_get_function_vector_number): New.
1019         (sh2a_function_vector_p): New.
1020         (sh_cfun_resbank_handler_p): New.
1021         * config/sh/sh.md (calli): Emit jsr/n if possible.
1022         (calli_tbr_rel): New.
1023         (calli_pcrel): Emit jsr/n if possible.
1024         (return_i): Emit rts/n if possible.
1025         (call_valuei_tbr_rel): New.
1026         (call_valuei_pcrel): Add condition for SH2A target.
1027         (call_value): Likewise.
1028         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1029         (sh2a_get_function_vector_number): Likewise.
1030         (sh2a_is_function_vector_call): Likewise.
1031         * doc/extend.texi: Document TBR relative addressing of SH2A.
1032         (resbank): Add description for SH2A.
1033
1034 2008-03-24  Richard Guenther  <rguenther@suse.de>
1035
1036         PR c/22371
1037         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1038         pointer assignments change conversions according to middle-end rules.
1039         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1040         * configure.ac: Include type checking in yes.
1041         * configure: Regenerate.
1042
1043 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1044
1045         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1046         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1047         
1048 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1049
1050         * gthr-vxworks.h (UNUSED): Define.
1051
1052 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1053
1054         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1055
1056 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1057
1058         * doc/extend.texi (Function Attributes): Add missing comma in the
1059         example of the "alloc_size" attribute.
1060         
1061 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1062
1063         Revert:
1064         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1065
1066         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1067         32bit host.
1068
1069         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1070
1071         PR target/35496
1072         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1073         of the underlying type of a MS bitfield layout to the natural
1074         alignment of the type.
1075
1076         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1077
1078         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1079         to their natural alignment to avoid store forwarding stalls.
1080
1081 2008-03-22  Richard Guenther  <rguenther@suse.de>
1082
1083         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1084         For PHI nodes verify the address is invariant.
1085         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1086         (get_symbol_constant_value): Use is_gimple_min_invariant.
1087         (maybe_fold_stmt_indirect): Likewise.
1088
1089 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1090
1091         PR rtl-optimization/33927
1092         * Makefile.in (dse.o): Depend on $(TM_P_H).
1093         * expr.h (extract_low_bits): Declare.
1094         * expmed.c (extract_low_bits): New function.
1095         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1096         * dse.c: Include tm_p.h.
1097         (find_shift_sequence): Remove the read_reg argument and return the
1098         read value.  Emit the instructions instead of returning them.
1099         Iterate on new_mode rather than calculating it each time.
1100         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1101         source to NEW_MODE and extract_low_bits to convert the shifted
1102         value to READ_MODE.
1103         (replace_read): Allow the load and store to have different mode
1104         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1105         or extraction instructions before trying the replacement.  Update
1106         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1107
1108 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1109
1110         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1111         to their natural alignment to avoid store forwarding stalls.
1112
1113 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1114
1115         PR target/27946
1116         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1117         encouraging but not allowing gprs for input;
1118         change the input constraint to !f#r.
1119         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1120         gprs for output;
1121         change the output constraint to !f#r.
1122
1123 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1124
1125         PR target/13958
1126         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1127         corresponding post-reload splitters.
1128         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1129         when x87 FP math is selected.
1130         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1131         New function prototype.
1132         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1133         unreachable function to ease macroization of insn patterns.
1134
1135 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1136
1137         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1138         reference dumps if ddr is NULL or dependence is unknown.
1139
1140 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1141
1142         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1143         unsigned extension into account.
1144         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1145         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1146         Do computations on a scratch register.
1147
1148 2008-03-21  Richard Guenther  <rguenther@suse.de>
1149
1150         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1151         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1152         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1153         * tree-ssa-dom.c (record_equality): Likewise.
1154         * tree-inline.c (copy_body_r): Likewise.
1155         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1156         TREE_INVARIANT.
1157
1158 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1159
1160         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1161         as 'delete_unused' argument.
1162
1163 2008-03-20  Richard Guenther  <rguenther@suse.de>
1164
1165         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1166         special casing of constant qualifiers.
1167         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1168         care about them in general.
1169         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1170         regardless of their type.
1171         (fold_stmt_r): Forcefully fold *& if we end up with that.
1172
1173 2008-03-20  Paul Brook  <paul@codesourcery.com>
1174
1175         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1176         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1177         linker flags.
1178         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1179         definition.
1180         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1181         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1182
1183 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1184
1185         * common.opt (Wmudflap): New option.
1186         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1187         (mx_register_decls): Likewise.
1188         (mudflap_finish_file): Likewise.
1189         * doc/invoke.texi: Document -Wno-mudflap.
1190
1191 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1192
1193         * c-format.c (replace_format_name_to_system_name): New.
1194         (cmp_attribs): New.
1195         (convert_format_name_to_system_name): New.
1196         (decode_format_attr): Add use of convert_format_name_to_system_name.
1197         (format_types_orig): Add gnu_ prefix to names.
1198         (check_format_info_main): Special treating of \0 escaped names for
1199         supporting multi-character format specifiers as I32, I64.
1200         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1201         (gnu_target_overrides_format_attributes): New.
1202         * c-format.h: Add structure target_ovr_attr to hold
1203         system specific formatter names.
1204         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1205         msformat-c.o file to c_target_objs and cxx_target_objs.
1206         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1207         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1208         (TARGET_N_FORMAT_TYPES): New.
1209         * config/i386/msformat-c.c: New.
1210         * config/i386/t-cygming: Add build rule for msformat-c.o.
1211         * doc/extend.texi: Add new format names gnu_* and ms_* and
1212         further details.
1213         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1214
1215 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1216
1217         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1218         optimizations turned on under -O3.
1219         (ftree-vectorize): Add that the flag is turned on with -O3.
1220
1221 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1222
1223         * regmove.c (try_auto_increment): Fix spelling error in comment.
1224         * final.c (final_scan_insn): Likewise.
1225
1226 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1227
1228         PR target/14552
1229         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1230         allocator preferences for "y" and "r" class registers.
1231         ("*mov<mode>_internal"): Ditto.
1232         ("*movv2sf_internal_rex64"): Ditto.
1233         ("*movv2sf_internal"): Ditto.
1234
1235 2008-03-19  Michael Matz  <matz@suse.de>
1236
1237         PR middle-end/35616
1238         * calls.c (expand_call): Check overlap of arguments with call
1239         address for sibcalls.
1240
1241 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1242
1243         PR target/35496
1244         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1245         of the underlying type of a MS bitfield layout to the natural
1246         alignment of the type.
1247
1248 2008-03-19  Jan Hubicka  <jh@suse.cz>
1249
1250         PR other/35094
1251         * toplev.c (decode_d_option): Handle all CPP flags.
1252         * tree-vrp.c: Update tree_pass descriptors.
1253         * regrename.c: Update tree_pass descriptors.
1254         * fwprop.c: Update tree_pass descriptors.
1255         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1256         * tree-into-ssa.c: Update tree_pass descriptors.
1257         * tree-dump.c: Update tree_pass descriptors.
1258         * tree-complex.c: Update tree_pass descriptors.
1259         * tree-dump.h: Update tree_pass descriptors.
1260         * see.c: Update tree_pass descriptors.
1261         * cgraphbuild.c: Update tree_pass descriptors.
1262         * tracer.c: Update tree_pass descriptors.
1263         * tree-loop-distribution.c: Update tree_pass descriptors.
1264         * cgraph.c: Update tree_pass descriptors.
1265         * postreload-gcse.c: Update tree_pass descriptors.
1266         * postreload.c: Update tree_pass descriptors.
1267         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1268         * tree-tailcall.c: Update tree_pass descriptors.
1269         * tree-pass.h (tree_opt_pass): Rename to ...
1270         (opt_pass) ... this one; add "type" field and remove letter field.
1271         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1272         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1273         all_lowering_passes): Update declaration.
1274         * ipa-cp.c: Update tree_pass descriptors.
1275         * final.c: Update tree_pass descriptors.
1276         * omp-low.c: Update tree_pass descriptors.
1277         * tree-ssa-dse.c: Update tree_pass descriptors.
1278         * ipa-reference.c: Update tree_pass descriptors.
1279         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1280         * auto-inc-dec.c: Update tree_pass descriptors.
1281         * reorg.c: Update tree_pass descriptors.
1282         * cgraphunit.c: Update tree_pass descriptors.
1283         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1284         * tree-ssa-ccp.c: Update tree_pass descriptors.
1285         * df-core.c: Update tree_pass descriptors.
1286         * mode-switching.c: Update tree_pass descriptors.
1287         * tree-nomudflap.c: Update tree_pass descriptors.
1288         * modulo-sched.c: Update tree_pass descriptors.
1289         * ipa-pure-const.c: Update tree_pass descriptors.
1290         * cse.c: Update tree_pass descriptors.
1291         * web.c: Update tree_pass descriptors.
1292         * tree-stdarg.c: Update tree_pass descriptors.
1293         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1294         * tree-ssa-dom.c: Update tree_pass descriptors.
1295         * tree-nrv.c: Update tree_pass descriptors.
1296         * tree-ssa-alias.c: Update tree_pass descriptors.
1297         * loop-init.c: Update tree_pass descriptors.
1298         * gimple-low.c: Update tree_pass descriptors.
1299         * ipa-inline.c: Update tree_pass descriptors.
1300         * tree-ssa-sink.c: Update tree_pass descriptors.
1301         * global.c: Update tree_pass descriptors.
1302         * ifcvt.c: Update tree_pass descriptors.
1303         * jump.c: Update tree_pass descriptors.
1304         * predict.c: Update tree_pass descriptors.
1305         * tree-ssa-loop.c: Update tree_pass descriptors.
1306         * recog.c: Update tree_pass descriptors.
1307         * dse.c: Update tree_pass descriptors.
1308         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1309         * tree-eh.c: Update tree_pass descriptors.
1310         * regmove.c: Update tree_pass descriptors.
1311         * local-alloc.c
1312         * function.c: Update tree_pass descriptors.
1313         * tree-vectorizer.c: Update tree_pass descriptors.
1314         * gcse.c: Update tree_pass descriptors.
1315         * ipa-type-escape.c: Update tree_pass descriptors.
1316         * tree-if-conv.c: Update tree_pass descriptors.
1317         * init-regs.c: Update tree_pass descriptors.
1318         * ipa.c: Update tree_pass descriptors.
1319         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1320         * rtl-factoring.c: Update tree_pass descriptors.
1321         * lower-subreg.c: Update tree_pass descriptors.
1322         * bt-load.c: Update tree_pass descriptors.
1323         * tree-dfa.c: Update tree_pass descriptors.
1324         * except.c: Update tree_pass descriptors.
1325         * emit-rtl.c: Update tree_pass descriptors.
1326         * cfgexpand.c: Update tree_pass descriptors.
1327         * tree-cfgcleanup.c: Update tree_pass descriptors.
1328         * cfgcleanup.c: Update tree_pass descriptors.
1329         * tree-ssa-pre.c: Update tree_pass descriptors.
1330         * tree-sra.c: Update tree_pass descriptors.
1331         * tree-mudflap.c: Update tree_pass descriptors.
1332         * tree-ssa-copy.c: Update tree_pass descriptors.
1333         * cfglayout.c: Update tree_pass descriptors.
1334         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1335         * tree-ssa-dce.c: Update tree_pass descriptors.
1336         * tree-ssa.c: Update tree_pass descriptors.
1337         * regclass.c: Update tree_pass descriptors.
1338         * integrate.c: Update tree_pass descriptors.
1339         * tree-optimize.c: Update tree_pass descriptors.
1340         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1341         * tree-object-size.c: Update tree_pass descriptors.
1342         * combine.c: Update tree_pass descriptors.
1343         * tree-outof-ssa.c: Update tree_pass descriptors.
1344         * bb-reorder.c: Update tree_pass descriptors.
1345         * stack-ptr-mod.c: Update tree_pass descriptors.
1346         * var-tracking.c: Update tree_pass descriptors.
1347         * tree-profile.c: Update tree_pass descriptors.
1348         * tree-vect-generic.c: Update tree_pass descriptors.
1349         * reg-stack.c: Update tree_pass descriptors.
1350         * sched-rgn.c: Update tree_pass descriptors.
1351         * tree-ssa-structalias.c: Update tree_pass descriptors.
1352         * tree-cfg.c: Update tree_pass descriptors.
1353         * passes.c (current_pass): Update declaration.
1354         (finish_optimization_passes): Update.
1355         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1356         (register_one_dump_file, register_dump_files_1, next_pass_1):
1357         Update arguments.
1358         (init_optimization_passes): Update handling of new types.
1359         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1360         * ipa-struct-reorg.c: Update tree_pass descriptors.
1361         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1362         * combine-stack-adj.c: Update tree_pass descriptors.
1363         * cfgrtl.c: Update tree_pass descriptors.
1364         * dce.c: Update tree_pass descriptors.
1365         * tree-ssanames.c: Update tree_pass descriptors.
1366
1367 2008-03-19  Richard Guenther  <rguenther@suse.de>
1368
1369         PR middle-end/35609
1370         * tree-ssa.c (walk_data): New structure.
1371         (warn_uninitialized_var): If not always_executed warn with "maybe"
1372         instead of "is".
1373         (execute_early_warn_uninitialized): Compute post-dominators.
1374         Initialize always_executed before processing each basic block.
1375
1376 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1377
1378         PR target/35504
1379         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1380         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1381
1382 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1383
1384         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1385
1386 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1387
1388         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1389         is true.
1390         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1391         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1392         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1393         target after ignore has been set, and move there also the commputation
1394         of subtarget and original_target.
1395         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1396         (LANG_HOOKS_INITIALIZER): Remove it.
1397         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1398
1399 2008-03-18  Richard Guenther  <rguenther@suse.de>
1400
1401         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1402         found an expression with constants, note that in the VN for the lhs.
1403         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1404         fold them to constants if possible.  Run cleanup_cfg if done so.
1405         (execute_pre): Return todo.
1406         (do_pre): Likewise.
1407         (execute_fre): Likewise.
1408         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1409         of constants.
1410         (get_prop_source_stmt): Look through pointer conversions.
1411
1412 2008-03-18  Jan Hubicka  <jh@suse.cz>
1413
1414         * tree-pretty-print.c: Include predict.h.
1415         (dump_generic_node): Dump predictor.
1416         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1417         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1418         * gimple-low.c (lower_stmt): Likewise.
1419         * expr.c (expand_expr_real): Likewise.
1420         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1421         them.
1422         (build_predict_expr, build_predict_expr): New.
1423         * predict.h (predictor_name, build_predict_expr): Update.
1424         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1425         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1426         * predict.def (PRED_CONTINUE): Update hitrate.
1427         * tree.def (PREDICT_EXPR): Define.
1428         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1429         do not handle BIND_EXPR.
1430         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1431         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1432         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1433         operands.
1434
1435 2008-03-18  Michael Matz  <matz@suse.de>
1436
1437         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1438
1439 2008-03-18  Richard Guenther  <rguenther@suse.de>
1440
1441         * tree-gimple.h (is_gimple_invariant_address): Declare.
1442         (is_gimple_constant): Likewise.
1443         * tree-gimple.c (is_gimple_constant): New function.
1444         (is_gimple_invariant_address): Likewise.
1445         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1446         and is_gimple_invariant_address.
1447         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1448         previous change.
1449         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1450         an addressable base.
1451
1452 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1453
1454         PR middle-end/35611
1455         * gimplify.c (gimplify_expr): Gimplify second operand of
1456         OMP_ATOMIC_LOAD.
1457
1458 2008-03-17  Richard Guenther  <rguenther@suse.de>
1459
1460         PR tree-optimization/19637
1461         * fold-const.c (fold_unary): Remove restrictions of removing
1462         intermediate pointer-conversions (P2)(P1)P0.
1463         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1464         conversion to void pointer.
1465         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1466
1467 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1468
1469         PR debug/31510
1470         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1471         emulated thread local variables.
1472
1473 2008-03-16  Richard Guenther  <rguenther@suse.de>
1474
1475         PR middle-end/35607
1476         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1477         expand TREE_INVARIANT operations that are not gimple invariant.
1478
1479 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1480
1481         * doc/extend.texi (Alignment): Say that the ABI controls
1482         the __alignof__ for non-strict-alignment targets rather
1483         than being a recommendation.
1484
1485 2008-03-15  Paul Brook  <paul@codesourcery.com>
1486
1487         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1488         annotations.
1489         (arm_output_fn_unwind): Mark functions that can not be unwound.
1490
1491 2008-03-15  Paul Brook  <paul@codesourcery.com>
1492
1493         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1494         extension instructions.
1495
1496 2008-03-15  Richard Guenther  <rguenther@suse.de>
1497
1498         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1499         and fold constant aggregate refs.
1500         (fold_const_aggregate_ref): Handle string constants
1501         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1502         (evaluate_stmt): Simplify now that ccp_fold folds constant
1503         aggregate refs.
1504
1505 2008-03-15  Paul Brook  <paul@codesourcery.com>
1506
1507         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1508         (extzv): Use gen_extzv_t2.
1509         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1510
1511 2008-03-15  Richard Guenther  <rguenther@suse.de>
1512
1513         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1514         (fold_const_aggregate_ref): Likewise.
1515         (get_value): Return NULL if we don't have any values.
1516         (ccp_finalize): Set const_val to NULL after freeing it.
1517         * tree-flow.h (get_symbol_constant_value): Declare.
1518         (fold_const_aggregate_ref): Likewise.
1519         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1520
1521 2008-03-15  Richard Guenther  <rguenther@suse.de>
1522
1523         PR middle-end/35593
1524         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1525         to not produce negative array indices if not allowed.  Add
1526         parameter to indicate that.
1527         (maybe_fold_offset_to_component_ref): Allow negative array
1528         indices only for the first member of a structure.
1529         (maybe_fold_offset_to_reference): Allow negative array indices.
1530         (maybe_fold_stmt_addition): Likewise.
1531
1532 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1533             Anatoly Sokolov <aesok@post.ru>
1534
1535         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1536         (avr_arch): Add ARCH_AVR6.
1537         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1538         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1539         instead of fixed value 2.
1540         (print_operand_address): Use gs() asm specifier instead of pm().
1541         (avr_assemble_integer): (Ditto.).
1542         (avr_output_addr_vec_elt): (Ditto.).
1543         (print_operand): Handle "!" code.
1544         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1545         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1546         (AVR_HAVE_EIJMP_EICALL): Define.
1547         (AVR_3_BYTE_PC): Redefine.
1548         (AVR_2_BYTE_PC): (Ditto.).
1549         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1550         (LINK_SPEC): Add atmega2560 and atmega2561.
1551         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1552         (crtm2561.o).
1553         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1554         for 3 byte PC devices.
1555         (call_value_insn): (Ditto.).
1556         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1557         (indirect_jump): Use only for for 2 byte PC devices.
1558         (*tablejump): (Ditto.).
1559         (*indirect_jump_avr6): Add insn.
1560         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1561         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1562         instead of ijmp for 3 byte PC devices.
1563         (__tablejump2__): (Ditto.).
1564         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1565         (MULITLIB_DIRNAMES): (Ditto.). 
1566         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1567
1568 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1569
1570         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1571         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1572         ("mmx_psadbw"): Use V1DI mode for operand 0.
1573         * config/i386/i386-modes.def (V1SI): New vector mode.
1574         * config/i386/i386.c (struct builtin_description)
1575         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1576         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1577         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1578         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1579         v1di_ftype_v8qi_v8qi type.
1580         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1581
1582         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1583         __builtin_ia32_pmuludq]: Fix the mode of return value.
1584
1585 2008-03-15  Richard Guenther  <rguenther@suse.de>
1586
1587         PR middle-end/35595
1588         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1589         being a PHI_NODE.
1590
1591 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1592         
1593         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1594         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1595         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1596         unless TARGET_SERIALIZE_VOLATILE is enabled.
1597         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1598         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1599         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1600
1601 2008-03-14  Richard Guenther  <rguenther@suse.de>
1602
1603         PR tree-optimization/34172
1604         * tree-flow.h (refs_may_alias_p): Declare.
1605         (get_single_def_stmt): Likewise.
1606         (get_single_def_stmt_from_phi): Likewise.
1607         (get_single_def_stmt_with_phi): Likewise.
1608         * tree-dfa.c (refs_may_alias_p): New function.
1609         (get_single_def_stmt): Likewise.
1610         (get_single_def_stmt_from_phi): Likewise.
1611         (get_single_def_stmt_with_phi): Likewise.
1612         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1613         (vn_reference_lookup_1): New helper function.
1614         (vn_reference_lookup): Walk the virtual use-def chain to
1615         continue searching for a match if the def does not alias the
1616         reference we are looking for.
1617
1618 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1619
1620         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1621         archive and Perzl.  Update The Written Word listing.
1622
1623 2008-03-14  Richard Guenther  <rguenther@suse.de>
1624
1625         PR tree-optimization/34043
1626         PR tree-optimization/33989
1627         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1628         when doing FRE.
1629         (bitmap_find_leader): Use extra argument to verify dominance
1630         relationship inside a basic-block.
1631         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1632         (find_leader_in_sets): Adjust.
1633         (create_component_ref_by_pieces): Take extra argument for
1634         dominance check, handle lookup failures.
1635         (find_or_generate_expression): Likewise.
1636         (create_expression_by_pieces): Likewise.
1637         (insert_into_preds_of_block): Adjust.
1638         (create_value_expr_from): If asked for, verify all operands
1639         are in the blocks AVAIL_OUT set.
1640         (make_values_for_stmt): Check for SSA_NAMEs that are life
1641         over an abnormal edge.
1642         (compute_avail): Remove such check.
1643         (do_SCCVN_insertion): New function.
1644         (eliminate): If we do not find a leader suitable for replacement
1645         insert a replacement expression from SCCVN if available.
1646         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1647         (struct vn_ssa_aux): Add needs_insertion flag.
1648         * tree-ssa-sccvn.c (may_insert): New global flag.
1649         (copy_reference_ops_from_ref): Value-number union member access
1650         based on its size, not type and member if insertion is allowed.
1651         (visit_reference_op_load): For a weak match from union type
1652         punning lookup a view-converted value and insert a SSA_NAME
1653         for that value if that is not found.
1654         (visit_use): Make dumps shorter.  Do not disallow value numbering
1655         SSA_NAMEs that are life over an abnormal edge to constants.
1656         (free_scc_vn): Release inserted SSA_NAMEs.
1657         (run_scc_vn): New flag to specify whether insertion is allowed.
1658         Process SSA_NAMEs in forward order.
1659         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1660         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1661         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1662         pointer type to/from integral types that do not change the
1663         precision to regular conversions.
1664
1665 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1666
1667         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1668         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1669         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1670         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1671         input arguments and the mode of return value.  Built-in functions
1672         that operate on whole 64-bit MMX register now use V1DI mode.
1673
1674 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1675             Olga Golovanevsky  <olga@il.ibm.com>
1676
1677         PR tree-optimization/35041
1678         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1679         to locate the right position in a statement.
1680
1681 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1682
1683         PR target/34000
1684         PR target/35553
1685         * config/i386/xmmintrin.h:  Change all static inline functions to
1686         extern inline and add __gnu_inline__ attribute.
1687         * config/i386/bmintrin.h: Ditto.
1688         * config/i386/smmintrin.h: Ditto.
1689         * config/i386/tmmintrin.h: Ditto.
1690         * config/i386/mmintrin-common.h: Ditto.
1691         * config/i386/ammintrin.h: Ditto.
1692         * config/i386/emmintrin.h: Ditto.
1693         * config/i386/pmmintrin.h: Ditto.
1694         * config/i386/mmintrin.h: Ditto.
1695         * config/i386/mm3dnow.h: Ditto.
1696
1697 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1698
1699         PR middle-end/35185
1700         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1701         (lower_omp_2): New function.
1702         (lower_omp_1, lower_omp): Rewritten.
1703
1704 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1705
1706         PR 35054
1707         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1708         with the phrase "Microsoft Windows compilers".
1709         (Push/Pop Macro Pragmas): New subsection. Document
1710         #pragma push_macro and pragma pop_macro.
1711
1712 2008-03-12  Paul Brook  <paul@codesourcery.com>
1713
1714         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1715
1716 2008-03-12  Paul Brook  <paul@codesourcery.com>
1717
1718         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1719         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1720         (thumb2_addsi_shortim): Rename ...
1721         (thumb2_addsi_short): ... to this.  Allow register operands.
1722         (thumb2_subsi_short): New pattern.
1723         (thumb2_one_cmplsi2_short,
1724         thumb2_negsi2_short): New patterns and peepholes.
1725
1726 2008-03-12  Paul Brook  <paul@codesourcery.com>
1727
1728         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1729
1730 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1731
1732         * config/i386/i386.md (int_cond): New code iterator.
1733         (fp_cond): Ditto.
1734         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1735         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1736         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1737         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1738         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1739         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1740         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1741         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1742
1743 2008-03-12  Paul Brook  <paul@codesourcery.com>
1744
1745         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1746         instead of {arm,thumb}_compute_save_reg_mask.
1747         (output_return_instruction): Ditto.
1748         (thumb_unexpanded_epilogue): Ditto.
1749         (thumb1_expand_prologue): Ditto.
1750         (thumb1_output_function_prologue): Ditto.
1751         (arm_set_return_address): Ditto.
1752         (thumb_set_return_address): Ditto.
1753         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1754         regs to achieve stack alignment.
1755         (thumb1_compute_save_reg_mask): Fix compiler warning.
1756         (arm_output_epilogue): Use offsets->saved_regs_mask.
1757         Adjust stack pointer by poping call clobered registers.
1758         (arm_expand_prologue): Use offsets->saved_regs_mask.
1759         Adjust stack pointer by pushing extra registers.
1760         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1761
1762 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1763
1764         PR tree-opt/35422
1765         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1766         conversion to the operands of a multiplication.
1767
1768 2008-03-12  Richard Guenther  <rguenther@suse.de>
1769
1770         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1771         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1772         * timevar.def (TV_TREE_PHIPROP): Add.
1773         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1774         pass description.  Use TV_TREE_PHIPROP.
1775         * tree-ssa-forwprop.c: Remove phiprop code.
1776
1777 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1778
1779         PR middle-end/35549
1780         * omp-low.c (maybe_lookup_decl): Constify first argument.
1781         (use_pointer_for_field): Change last argument from bool to
1782         omp_context *.  Disallow shared copy-in/out in nested
1783         parallel if decl is shared in outer parallel too.
1784         (build_outer_var_ref, scan_sharing_clauses,
1785         lower_rec_input_clauses, lower_copyprivate_clauses,
1786         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1787
1788 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1789             Ira Rosen  <irar@il.ibm.com>
1790
1791         * tree-vectorizer.c (free_stmt_vec_info): New function.
1792         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1793         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1794         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1795         * tree-vect-transform.c (vectorizable_conversion): Free
1796         vec_oprnds0 if it was allocated.
1797         (vect_permute_store_chain): Remove unused VECs.
1798         (vectorizable_store): Free VECs that are allocated in the..
1799         function.
1800         (vect_transform_strided_load, vectorizable_load): Likewise.
1801         (vect_remove_stores): Simplify the code.
1802         (vect_transform_loop): Move code to vect_remove_stores().
1803         Call vect_remove_stores() and free_stmt_vec_info().
1804
1805 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1806
1807         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1808         TARGET_HPUX.  Revise comment.
1809         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1810         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1811         Use sr4 variant of `be' instruction when not generating PIC code.
1812         (attr_length_call): Adjust for above change.
1813
1814 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1815
1816         * ipa-reference.c (static_execute): Remove module_statics_const and
1817         associated setting code.
1818
1819 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1820
1821         PR target/35540
1822         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1823         predicate for operand 1.
1824         (paritysi2_cmp): Use register_operand predicate for operand 2.
1825         Use earlyclobber modifier for operand 1.  Remove support for
1826         memory operands.
1827         (paritydi2_cmp): Use register_operand predicate for operand 3.
1828         Use earlyclobber modifier for operand 1.  Remove support for
1829         memory operands.
1830
1831 2008-03-11  Paul Brook  <paul@codesourcery.com>
1832             Vladimir Prus  <vladimir@codesourcery.com>
1833
1834         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1835         (arm_compute_save_reg0_reg12_mask): Always
1836         check if register 11 must be saved.  Always safe hard frame pointer
1837         when frame_pointer_needeed.
1838         (arm_compute_save_reg_mask): Save IP and PC
1839         only with apcs frames.
1840         (arm_output_epilogue): Adjust Thumb2 codepath to
1841         be also invoked and work for ARM non-apcs frames.
1842         (arm_expand_prologue): Don't bother saving IP
1843         for non-apcs frame, since it's not clobbered by
1844         prologue code.  Implement non-apcs frame
1845         layout.
1846
1847 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1848
1849         PR rtl-optimization/35281
1850         * expr.c (convert_move): Use a new pseudo for the intermediate
1851         from_mode->word_mode result.
1852
1853 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1854
1855         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1856         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1857         * toplev.c (compile_file): Don't call it.
1858
1859 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1860
1861         PR middle-end/35526
1862         * expr.c (store_expr): Call emit_block_move if the mode
1863         of "temp" RTX is BLKmode.
1864
1865 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1866             Richard Guenther  <rguenther@suse.de>
1867
1868         PR tree-optimization/31358
1869         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1870         the step with a NULL_TREE.
1871         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1872         to sizetype if type is a pointer type.
1873         (add_candidate_1): Don't convert the base and step to
1874         the generic type if the orginal type is a pointer type.
1875         (add_iv_value_candidates): Use sizetype for the step
1876         if type is a pointer type.
1877         (cand_value_at): Likewise.
1878         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1879         for pointer types.
1880         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1881         Don't convert the tem affine to the type.
1882         (add_elt_to_tree): Use sizetype for the step if a pointer.
1883         Use POINTER_PLUS_EXPR for pointers.
1884         (aff_combination_to_tree): Use sizetype for the step if a
1885         pointer.
1886
1887 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1888
1889         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1890         Remove commutativity hint.
1891
1892 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1893
1894         PR c/35438
1895         PR c/35439
1896         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1897         errorneous type.  Check that v is a VAR_DECL.
1898
1899         PR middle-end/35099
1900         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1901
1902 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1903
1904         PR tree-optimization/35494
1905         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1906         may be overriden at link and run time.
1907
1908 2008-03-10  Richard Guenther  <rguenther@suse.de>
1909
1910         PR tree-optimization/34677
1911         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1912         (poolify_tree): Likewise.
1913         (modify_expr_template): Likewise.
1914         (poolify_modify_stmt): Likewise.
1915         (insert_fake_stores): Handle all component-ref style stores
1916         in addition to INDIRECT_REF.  Also handle complex types.
1917         Do not poolify the inserted load.
1918         (realify_fake_stores): Do not rebuild the tree but only
1919         make it a SSA_NAME copy.
1920         (init_pre): Remove initialzation of modify_expr_template.
1921         Do not allocate modify_expr_node_pool.
1922         (fini_pre): Do not free modify_expr_node_pool.
1923
1924 2008-03-10  Paul Brook  <paul@codesourcery.com>
1925
1926         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1927         to avoid conflicts.
1928
1929 2008-03-10  Paul Brook  <paul@codesourcery.com>
1930             Mark Shinwell  <shinwell@codesourcery.com>
1931
1932         * config/arm/cortex-r4.md: New.
1933         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1934         insn attributes.
1935         * config/arm/arm.md: Include cortex-r4.md.
1936         (insn): Add smmls, sdiv and udiv values.
1937         (generic_sched): Don't use generic scheduling for Cortex-R4.
1938         (arm_issue_rate): New function.
1939         (TARGET_SCHED_ISSUE_RATE): Define.
1940
1941 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1942
1943         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1944
1945 2008-03-10  Richard Guenther  <rguenther@suse.de>
1946
1947         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1948         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1949
1950 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1951
1952         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1953         Set default to true.
1954
1955 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1956
1957         * c.opt (Wsynth): Deprecate.
1958         * doc/invoke.texi (Option Summary, Warning Options): Document
1959         -Wno-format-contains-nul.
1960
1961 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1962
1963         PR target/35496
1964         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1965         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1966
1967 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1968
1969         * config/rs6000/rs6000.c (builtin_description): Rename vector
1970         left shift operations.
1971         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1972         (altivec_vsl<VI_char>): Rename to ...
1973         (ashl<mode>3): ... new name.
1974         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1975         gen_ashlv4si3.
1976         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1977
1978 2008-03-08  Richard Guenther  <rguenther@suse.de>
1979
1980         * coverage.h (tree_coverage_counter_addr): Declare.
1981         * coverage.c (tree_coverage_counter_addr): New function.
1982         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1983         before using again.
1984         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1985         (tree_gen_one_value_profiler): Likewise.
1986         (tree_gen_ic_profiler): Likewise.
1987         (tree_gen_average_profiler): Likewise.
1988         (tree_gen_ior_profiler): Likewise.
1989
1990 2008-03-08  Richard Guenther  <rguenther@suse.de>
1991
1992         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1993         (vn_binary_op_insert): Likewise.
1994         (vn_unary_op_lookup): Likewise.
1995         (vn_unary_op_insert): Likewise.
1996         (vn_nary_op_lookup): Declare.
1997         (vn_nary_op_insert): Likewise.
1998         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1999         and binary hashes, use a single obstack for unary_op_pool
2000         and binary_op_pool.
2001         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2002         a single struct vn_nary_op_s.  Store tree code length and
2003         a variable number of operands.
2004         (struct vn_reference_op_struct): Remove unused op2.
2005         (vn_reference_op_eq): Do not compare op2.
2006         (vn_reference_op_compute_hash): Do not compute hash of op2.
2007         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2008         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2009         with vn_nary_op_compute_hash.
2010         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2011         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2012         vn_nary_op_lookup.
2013         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2014         vn_nary_op_insert.
2015         (visit_unary_op): Call nary functions.
2016         (visit_binary_op): Likewise.
2017         (process_scc): Adjust for struct vn_tables_s changes.
2018         (allocate_vn_table): Likewise.
2019         (free_vn_table): Likewise.
2020         * tree-vn.c (vn_add): Call nary functions.
2021         (vn_lookup): Likewise.
2022
2023 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2024
2025         PR target/35498
2026         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2027         wdst back after sync_compare_and_swapqhi_internal.
2028
2029 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2030
2031         PR target/22152
2032         * config/i386/i386-modes.def (V1DI): New vector mode.
2033         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2034         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2035         (MMXMODE248): Ditto.
2036         (MMXMODE): Add V1DI mode.
2037         (mmxvecsize): Change DI mode to V1DI mode.
2038         ("mov<mode>): Use MMXMODEI8 mode iterator.
2039         ("*mov<mode>_internal_rex64"): Ditto.
2040         ("*mov<mode>_internal"): Ditto.
2041         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2042         ("mmx_sub<mode>3"): Ditto.
2043         ("mmx_adddi3"): Remove insn pattern.
2044         ("mmx_subdi3"): Ditto.
2045         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2046         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2047         ("mmx_ashl<mode>3"): Ditto.
2048         ("mmx_lshrdi3"): Remove insn pattern.
2049         ("mmx_ashldi3"): Ditto.
2050         * config/i386/i386.c (classify_argument): Handle V1DImode.
2051         (function_arg_advance_32): Ditto.
2052         (function_arg_32): Ditto.
2053         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2054         mmx_addv1di3 insn pattern.
2055         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2056         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2057         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2058         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2059         Remove definitions of built-in functions.
2060         (V1DI_type_node): New node.
2061         (v1di_ftype_v1di_int): Ditto.
2062         (v1di_ftype_v1di_v1di): Ditto.
2063         (v2si_ftype_v2si_si): Ditto.
2064         (v4hi_ftype_v4hi_di): Remove node.
2065         (v2si_ftype_v2si_di): Ditto.
2066         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2067         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2068         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2069         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2070         Add new builtins using def_builtin_const.
2071         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2072         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2073         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2074         * config/i386/mmintrin.h (__v1di): New typedef.
2075         (_mm_add_si64): Cast arguments to __v1di type.
2076         (_mm_sub_si64): Ditto.
2077         (_mm_sll_pi16): Cast __count to __v4hi type.
2078         (_mm_sll_pi32): Cast __count to __v2si type.
2079         (_mm_sll_si64): Cast arguments to __v1di type.
2080         (_mm_srl_pi16): Cast __count to __v4hi type.
2081         (_mm_srl_pi32): Cast __count to __v2si type.
2082         (_mm_srl_si64): Cast arguments to __v1di type.
2083         (_mm_sra_pi16): Cast __count to __v4hi type.
2084         (_mm_sra_pi32): Cast __count to __v2si type.
2085         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2086         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2087         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2088         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2089         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2090         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2091         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2092         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2093         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2094         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2095         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2096         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2097
2098 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2099
2100         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2101
2102 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2103
2104         PR target/35373
2105         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2106         reg+const addressing for Altivec modes.  Don't generate reg+reg
2107         addressing for TFmode or TDmode quantities.
2108
2109 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2110
2111         * c-common.c (vector_types_convertible_p): Call langhook
2112         instead of comptypes.
2113
2114 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2115
2116         PR tree-opt/35402
2117         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2118         integral and scalar float variables which have a
2119         NULL DECL_INITIAL.
2120
2121 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2122
2123         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2124         dwarf_register_span hook when emitting unwind information for
2125         register-to-memory saves.
2126         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2127         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2128
2129 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2130
2131         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2132         for the same VAR_DECL.
2133
2134 2008-03-06  Tom Tromey  <tromey@redhat.com>
2135
2136         * treelang: Delete.
2137         * doc/standards.texi (Standards): Don't mention treelang.
2138         * doc/invoke.texi (Overall Options): Don't mention treelang.
2139         * doc/install.texi (Prerequisites): Don't mention bison or
2140         treelang.
2141         (Configuration): Don't mention treelang.
2142         (Building): Likewise.
2143         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2144
2145 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2146
2147         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2148         word-extractions out of a multi-word object.
2149
2150 2008-03-06  Richard Guenther  <rguenther@suse.de>
2151
2152         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2153         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2154         result type and precision.
2155         * expr.c (get_inner_reference): Set unsignedp based on the result
2156         type of BIT_FIELD_REF.
2157         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2158         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2159         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2160         for BIT_FIELD_REF.
2161         (sra_build_assignment): Likewise.
2162         (sra_build_elt_assignment): Likewise.
2163         (sra_explode_bitfield_assignment): Likewise.
2164         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2165         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2166         set BIT_FIELD_REF_UNSIGNED.
2167         (vectorizable_load): Likewise.
2168
2169 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2170
2171         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2172         at bb start.
2173
2174 2008-03-06  Richard Guenther  <rguenther@suse.de>
2175
2176         * alias.c (struct alias_set_entry): Move has_zero_child field
2177         to pack with alias_set.
2178
2179 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2180
2181         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2182         32bit host.
2183
2184 2008-03-05  Ian Lance Taylor  <iant@google.com>
2185
2186         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2187
2188 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2189
2190         * fwprop.c (update_df): Support width and offset parameters of
2191         df_ref_create.
2192         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2193         global_conflicts): Change DF_REF_EXTRACT to either
2194         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2195         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2196         * df-scan.c (df_ref_record, df_defs_record,
2197         df_ref_create_structure, df_def_record_1, df_uses_record,
2198         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2199         df_bb_refs_collect, df_entry_block_defs_collect,
2200         df_exit_block_uses_collect): Support new width and offset fields.
2201         (ref_extract_pool): New storage pool.
2202         (df_free_ref): New function.
2203         (df_reg_chain_unlink, df_free_collection_rec,
2204         df_sort_and_compress_refs): Call df_free_ref.
2205         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2206         of df_ref_extract.
2207         (df_ref_create_structure): Allocate df_ref_extract if offset and
2208         width fields are used.
2209         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2210         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2211         and SIGN_EXTRACT.
2212         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2213         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2214         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2215         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2216         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2217         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2218         (df_ref_extract): New structure.
2219         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2220         (df_ref_create): Add width and offset parameters.
2221         
2222 2008-03-05  Richard Guenther  <rguenther@suse.de>
2223
2224         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2225         Use ranges_overlap_p.
2226         (offset_overlaps_with_access): Rename
2227         to ranges_overlap_p and move ...
2228         * tree-flow-inline.h (ranges_overlap_p): ... here.
2229
2230         * tree.h (get_inner_reference, handled_component_p): Update
2231         comments.
2232
2233         * tree.h (record_component_aliases, get_alias_set,
2234         alias_sets_conflict_p, alias_sets_must_conflict_p,
2235         objects_must_conflict_p): Move declarations ...
2236         * alias.h (record_component_aliases, get_alias_set,
2237         alias_sets_conflict_p, alias_sets_must_conflict_p,
2238         objects_must_conflict_p): ... here.
2239         Include coretypes.h.
2240         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2241
2242 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2243
2244         * cfg.c: Include tree-flow.h.
2245         (remove_edge_raw): Call redirect_edge_var_map_clear.
2246         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2247         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2248         (redirect_edge_var_map_result): New.
2249         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2250         PENDING_STMT use with redirect_edge_var_map_*.
2251         * tree-ssa.c (edge_var_maps): New definition.
2252         (redirect_edge_var_map_add): New.
2253         (redirect_edge_var_map_clear): New.
2254         (redirect_edge_var_map_dup): New.
2255         (redirect_edge_var_map_vector): New.
2256         (redirect_edge_var_map_destroy): New.
2257         (ssa_redirect_edge): Replace PENDING_STMT use with
2258         redirect_edge_var_map_*.
2259         (flush_pending_stmts): Same.
2260         (delete_tree_ssa): Destroy edge var map.
2261         * tree-flow.h (struct _edge_var_map): New.
2262         Define edge_var_map vector type.
2263         Declare redirect_edge_var_map_* prototypes.
2264         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2265         * tree-cfg.c (reinstall_phi_args): Replace
2266         PENDING_STMT use with redirect_edge_var_map_*.
2267
2268 2008-03-05  Richard Guenther  <rguenther@suse.de>
2269
2270         PR tree-optimization/35472
2271         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2272         whose single use_stmt has a overlapping set of loaded and
2273         stored symbols as that use_stmt might be a noop assignment then.
2274
2275 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2276
2277         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2278
2279 2008-03-05  Richard Guenther  <rguenther@suse.de>
2280
2281         PR c++/35336
2282         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2283         should be constants.
2284         * tree-cfg.c (verify_expr): Verify it.
2285         * fold-const.c (fold_truthop): Remove code generating
2286         BIT_FIELD_REFs of structure bases.
2287         (fold_binary): Likewise.
2288         (fold_ternary): Position and size of BIT_FIELD_REFs are
2289         always host integers.
2290         (make_bit_field_ref): Remove.
2291         (optimize_bit_field_compare): Remove.
2292         (all_ones_mask_p): Remove.
2293
2294 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2295
2296         PR gcc/33009
2297         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2298         (split_block_and_df_analyze): New. Split basic block and rebuild
2299         dataflow.
2300         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2301         SPLIT_BLOCK.
2302         (split_pattern_seq): Likewise.
2303         (erase_matching_seqs): Likewise.
2304         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2305
2306 2008-03-04  Geoff Keating  <geoffk@apple.com>
2307
2308         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2309         declaration and code.
2310         (tree_invalid_nonnegative_warnv_p): Likewise.
2311
2312 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2313
2314         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2315         examples.  Truncate option-names then causing overfull hbox.
2316
2317 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2318
2319         PR target/35222
2320         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2321         on hpux10.
2322         * configure: Rebuilt.
2323
2324 2008-03-04  Rafael Espindola  <espindola@google.com>
2325
2326         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2327         (tree_unary_nonnegative_warnv_p): New.
2328         (tree_binary_nonnegative_warnv_p): New.
2329         (tree_single_nonnegative_warnv_p): New.
2330         (tree_invalid_nonnegative_warnv_p): New.
2331         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2332
2333 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2334
2335         PR 28322
2336         * opts.c (handle_option): Postpone 'unknown option' errors only for
2337         warning options.
2338
2339 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2340
2341         PR target/35453
2342         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2343         (_SIDD_XXX): This.
2344
2345 2008-03-04  Rafael Espindola  <espindola@google.com>
2346
2347         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2348         (tree_binary_nonzero_warnv_p): New.
2349         (tree_single_nonzero_warnv_p): New.
2350         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2351
2352 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2353
2354         PR middle-end/35456
2355         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2356         transformations for modes that have signed zeros.
2357         * ifcvt.c (noce_try_abs): Ditto.
2358
2359 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2360
2361         * config/i386/i386.c (override_options): Force
2362         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2363
2364 2008-03-04  Jan Hubicka  <jh@suse.cz>
2365
2366         PR c++/35262
2367         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2368         in last commit.
2369
2370 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2371
2372         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2373         label to probe the stack.
2374
2375 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2376
2377         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2378         (__gthr_win32_mutex_destroy): Declare.
2379         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2380         __gthr_win32_mutex_destroy.
2381         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2382
2383 2008-03-03  Jan Hubicka  <jh@suse.cz>
2384
2385         PR c++/35262
2386         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2387         aggressive on inlining cold calls.
2388
2389 2008-03-03  Richard Guenther  <rguenther@suse.de>
2390
2391         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2392         struct copies into the expression table.
2393         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2394         (try_to_simplify): Likewise.
2395         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2396         integral and pointer arguments which do not change the
2397         precision to NOP_EXPRs.
2398         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2399         VIEW_CONVERT_EXPR case.
2400
2401 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2402
2403         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2404         defined in a loop at depth 0 is invariant.
2405         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2406         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2407         be called at loop depth 0.
2408
2409 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2410
2411         PR driver/35420
2412         * gcc.c (process_command): Update copyright notice dates.
2413         * gcov.c (print_version): Likewise.
2414         * gcov-dump.c (print_version): Likewise.
2415         * mips-tfile.c (main): Likewise.
2416         * mips-tdump.c (main): Likewise.
2417
2418 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2419
2420         PR 24924
2421         * c-common.c (flag_permissive): Delete.
2422         (constant_expression_warnings): Check flags first.
2423         (constant_expression_error): New.
2424         * c-common.h (flag_permissive): Delete.
2425         (constant_expression_error): Declare.
2426         * flags.h (flag_permissive): Declare. Update description.
2427         * diagnostic.c (pedwarn): Update.
2428         (permerror): New.
2429         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2430         (permissive_error_kind): New.
2431         * toplev.c (flag_permissive): Define. Update description.
2432         * toplev.h (permissive_error_kind): Declare.
2433         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2434         (pedwarn_c90): Use pedantic_warning_kind.
2435         * c-opts.c (c_common_post_options): flag_permissive does not affect
2436         flag_pedantic_errors.
2437
2438 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2439
2440         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2441         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2442         __absvsi2, __absvDI2): Use unsigned arithmetic.
2443
2444 2008-03-02  Andi Kleen  <ak@suse.de>
2445             Richard Guenther  <rguenther@suse.de>
2446
2447         * struct-equiv.c: Remove file.
2448         * cfg_cleanup.c (condjump_equiv_p): Remove.
2449         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2450         (struct-equiv.o): Remove rule.
2451         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2452         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2453         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2454
2455 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2456
2457         * ifcvt.c (noce_process_if_block): Try to handle only the then
2458         block if the else block exists but isn't suitable.
2459
2460 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2461
2462         PR gcc/35063
2463         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2464         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2465         regression from previous patch.
2466
2467 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2468
2469         PR gcc/35063
2470         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2471         implemented.
2472         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2473         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2474         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2475         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2476         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2477         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2478         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2479         (__gthread_mutex_destroy_function): Rename to
2480         __gthread_mutex_destroy.
2481         * gthr-dce.h (__gthread_mutex_destroy): Call
2482         pthread_mutex_destroy.
2483         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2484         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2485         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2486
2487 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2488
2489         * df-scan.c (df_ref_chain_change_bb): Simplify.
2490         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2491         set_block_for_insn if there's any change.
2492         * df.h ((df_insn_change_bb): Fix prototype.
2493         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2494         df_insn_change_bb, don't call set_block_for_insn.
2495         * emit-rtl.c (reorder_insns): Likewise.
2496         * haifa-sched.c (move_insn): Likewise.
2497
2498 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2499
2500         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2501
2502 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2503
2504         * tree-flow-inline.h (next_readonly_imm_use): Return
2505         NULL_USE_OPERAND_P after the end.
2506
2507 2008-03-01  Richard Guenther  <rguenther@suse.de>
2508
2509         PR tree-optimization/35411
2510         * tree-sra.c (sra_build_assignment): Split conversion to
2511         final type to a separate statement if we are not assigning
2512         to a register.
2513
2514 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2515
2516         * fold-const.c (fold_convertible_p): Correct the logic to follow
2517         that in fold_convert().
2518
2519 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2520
2521         PR c++/35315
2522         * tree-inline.c (build_duplicate_type): When we make a
2523         duplicate type, make it unique in the canonical types system.
2524
2525 2008-02-29  Tom Tromey  <tromey@redhat.com>
2526
2527         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2528         input_file_stack_history, input_file_stack_restored): Remove.
2529         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2530         * input.h (struct file_stack): Remove.
2531         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2532         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2533         Likewise.
2534         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2535         type.
2536         (diagnostic_last_module_changed): Add 'map' argument.
2537         (diagnostic_set_last_function): Likewise.
2538         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2539         line map, not input_file_stack.
2540         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2541
2542 2008-02-29  Paul Brook  <paul@codesourcery.com>
2543
2544         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2545
2546 2008-02-29  Paul Brook  <paul@codesourcery.com>
2547
2548         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2549
2550 2008-02-29  Richard Guenther  <rguenther@suse.de>
2551
2552         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2553         vn_lookup_or_add.
2554         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2555         value for comparing for a store match.
2556         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2557         (try_to_simplify): Do not do a full-blown reference lookup.
2558
2559 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2560
2561         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2562         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2563
2564         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2565
2566 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2567
2568         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2569         strides against cache sizes.
2570
2571 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2572
2573         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2574         constant to fpul.
2575
2576 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2577
2578         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2579         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2580         is smaller than the original promoted value.
2581         (simplify_subreg): If OP is a SUBREG, try to preserve its
2582         SUBREG_PROMOTED_VAR_P information.
2583
2584 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2585
2586         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2587         (VN_INFO_GET): Allocate new objects on the obstack.
2588         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2589         for rpo_numbers_temp, for consistency.
2590         (free_scc_vn): Free the obstack.
2591
2592 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2593
2594         * doc/invoke.texi: Document -ftree-loop-distribution.
2595         * tree-loop-distribution.c: New.
2596         * tree-pass.h (pass_loop_distribution): New.
2597         * graphds.h (struct graph): Add htab_t indices.
2598         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2599         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2600         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2601         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2602         * tree-data-ref.c (debug_data_dependence_relations): New.
2603         (dump_data_dependence_relation): Also print data references.
2604         (free_data_ref): Extern.
2605         (same_access_functions): Moved...
2606         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2607         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2608         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2609         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2610         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2611         (stmts_from_loop): Skip LABEL_EXPR.
2612         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2613         New.
2614         (build_rdg): Initialize rdg->indices htab.
2615         (free_rdg, stores_from_loop, ref_base_address,
2616         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2617         have_similar_memory_accesses_1, ref_base_address_1,
2618         remove_similar_memory_refs): New.
2619         * tree-data-ref.h: Depend on tree-chrec.h.
2620         (debug_data_dependence_relations, free_data_ref): Declared.
2621         (same_access_functions): ... here.
2622         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2623         New.
2624         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2625         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2626         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2627         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2628         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2629         rdg_vertex_for_stmt): Declared.
2630         (struct rdg_edge): Add level.
2631         (RDGE_LEVEL): New.
2632         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2633         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2634         Declared.
2635         (rdg_has_similar_memory_accesses): New.
2636         * tree-vect-analyze.c: Remove unused static decls.
2637         * lambda.h (dependence_level): New.
2638         * common.opt (ftree-loop-distribution): New.
2639         * tree-flow.h (mark_virtual_ops_in_bb, 
2640         slpeel_tree_duplicate_loop_to_edge_cfg,
2641         rename_variables_in_loop): Declared.
2642         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2643         (OBJS-common): Add tree-loop-distribution.o.
2644         (tree-loop-distribution.o): New rule.
2645         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2646         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2647         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2648
2649 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2650
2651         PR target/33963
2652         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2653         other than structures and unions.
2654
2655 2008-02-28  Richard Guenther  <rguenther@suse.de>
2656
2657         Revert:
2658         2008-02-26  Richard Guenther  <rguenther@suse.de>
2659
2660         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2661         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2662         (lookup_decl_from_uid): Declare.
2663         (remove_decl_from_map): Likewise.
2664         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2665         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2666         (decl_for_uid_map): New global hashtable mapping DECL_UID
2667         to the decl tree.
2668         (init_ttree): Allocate it.
2669         (insert_decl_to_uid_decl_map): New helper function.
2670         (make_node_stat): Insert new decls into the map.
2671         (copy_node_stat): Likewise.
2672         (lookup_decl_from_uid): New function.
2673         (remove_decl_from_map): Likewise.
2674         (print_decl_for_uid_map_statistics): New helper.
2675         (dump_tree_statistics): Call it.
2676
2677         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2678         (referenced_var_iterator): Adjust.
2679         (FOR_EACH_REFERENCED_VAR): Adjust.
2680         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2681         (num_referenced_vars): Adjust.
2682         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2683         (first_referenced_var): Remove.
2684         (end_referenced_vars_p): Likewise.
2685         (next_referenced_var): Likewise.
2686         (referenced_var_iterator_set): New helper function.
2687         * tree-dfa.c (referenced_var_lookup): Adjust.
2688         (referenced_var_check_and_insert): Likewise.
2689         (remove_referenced_var): Likewise.
2690         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2691         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2692         (verify_call_clobbering): Likewise.
2693         (verify_memory_partitions): Likewise.
2694         (init_tree_ssa): Allocate bitmap instead of hashtable for
2695         referenced_vars.
2696         (delete_tree_ssa): Adjust.
2697         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2698         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2699         (compute_tag_properties): Likewise.
2700         (set_initial_properties): Likewise.
2701         (find_partition_for): Likewise.
2702         (update_reference_counts): Likewise.
2703         (dump_may_aliases_for): Likewise.
2704         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2705         (add_call_clobber_ops): Likewise.
2706         (add_call_read_ops): Likewise.
2707         (get_asm_expr_operands): Likewise.
2708         * tree-into-ssa.c (dump_decl_set): Likewise.
2709         (update_ssa): Likewise.
2710         * tree-sra.c (scan_function): Likewise.
2711         (decide_instantiations): Likewise.
2712         (scalarize_parms): Likewise.
2713         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2714         (dsa_named_for): Likewise.
2715         * tree-ssa-structalias.c (update_alias_info): Likewise.
2716         (merge_smts_into): Likewise.
2717
2718 2008-02-27  David Daney  <ddaney@avtrex.com>
2719
2720         PR target/34409
2721         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2722         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2723         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2724         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2725         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2726
2727 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2728
2729         PR target/25477
2730         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2731         (BUILT_IN_NEXTTOWARD): Remove.
2732         (BUILT_IN_NEXTTOWARDF): Ditto.
2733         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2734         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2735
2736 2008-02-27  Tom Tromey  <tromey@redhat.com>
2737
2738         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2739         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2740
2741 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2742
2743         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2744         update the respective field on newdecl.
2745
2746 2008-02-27  Revital Eres  <eres@il.ibm.com>
2747
2748         PR rtl-optimization/34999
2749         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2750         crossing edges that ends with a call insn.
2751         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2752         call insn and clear the EDGE_CROSSING flag of the crossing edge
2753         when fixing fallthru edges.
2754
2755 2008-02-27  Richard Guenther  <rguenther@suse.de>
2756
2757         PR middle-end/35390
2758         * fold-const.c (fold_unary): Return the correct argument,
2759         converted to the result type.
2760
2761 2008-02-27  Richard Guenther  <rguenther@suse.de>
2762
2763         PR middle-end/34971
2764         * expr.c (expand_expr_real_1): Assert on rotates that operate
2765         on partial modes.
2766         * fold-const.c (fold_binary): Use the types precision, not the
2767         bitsize of the mode if folding rotate expressions.  Build rotates
2768         only for full modes.
2769
2770 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2771
2772         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2773         and CPP_PRAGMA_EOL.
2774         * c-pragma.c (pragma_ns_name): New typedef.
2775         (registered_pp_pragmas): New variable.
2776         (c_pp_lookup_pragma): New function.
2777         (c_register_pragma_1): If flag_preprocess_only, do nothing
2778         for non-expanded pragmas, for expanded ones push pragma's
2779         namespace and name into registered_pp_pragmas vector.
2780         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2781         flag_preprocess_only, don't register GCC pch_preprocess
2782         pragma if flag_preprocess_only.
2783         * c-opts.c (c_common_init): Call init_pragma even if
2784         flag_preprocess_only.
2785         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2786         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2787         cpp_register_pragma if flag_preprocess_only.
2788
2789 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2790
2791         PR c/28800
2792         * c-parser.c (c_parser_translation_unit): Warn for empty
2793         translation unit, not empty source file.
2794
2795 2008-02-26  Paul Brook  <paul@codesourcery.com>
2796
2797         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2798         operand for Thumb-2.
2799         * config/arm/arm.h (reg_class): Add CORE_REGS.
2800         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2801         (BASE_REG_CLASS): Use CORE_REGS.
2802         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2803         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2804         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2805         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2806         ARM_REGNO_OK_FOR_INDEX_P.
2807         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2808         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2809         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2810         (ldm/stm peepholes): Ditto.
2811         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2812         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2813         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2814         * config/arm/constraints.md: Enable "k" constraint on ARM.
2815
2816 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2817
2818         * config/rs6000/rs6000.c: Annotate cache line size field in all
2819         instances of struct processor_costs.
2820
2821 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2822
2823         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2824         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2825         jump_bypass): New counters.
2826         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2827         * dce.c (gate_ud_dce): Same.
2828         (gate_fast_dce): Same.
2829         * dse.c (gate_dse1): New function.
2830         (gate_dse2): New function.
2831         (gate_dse): Merge results of new gate functions.
2832         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2833         (gate_handle_jump_bypass): Add dbg_cnt.
2834         (gate_handle_gcse): Add dbg_cnt.
2835         * ifcvt.c (gate_handle_if_conversion): Same.
2836         (gate_handle_if_after_combine): Same.
2837         (gate_handle_if_after_reload): Same.
2838         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2839
2840 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2841
2842         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2843         line sizes.
2844         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2845
2846 2008-02-26  Jason Merrill  <jason@redhat.com>
2847
2848         PR c++/35315
2849         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2850         alone if it's the naming decl for the type's main variant.
2851
2852 2008-02-26  Tom Tromey  <tromey@redhat.com>
2853
2854         * system.h (USE_MAPPED_LOCATION): Poison.
2855         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2856         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2857         (make_goto_expr_edges): Likewise.
2858         (remove_bb): Likewise.
2859         (execute_warn_function_return): Likewise.
2860         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2861         location_t.
2862         * c-common.c (fname_decl): Remove old location code.
2863         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2864         location code.
2865         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2866         variant.
2867         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2868         (gen_rtx_ASM_INPUT): Likewise.
2869         (gen_rtx_ASM_INPUT_loc): Likewise.
2870         (get_rtx_asm_OPERANDS): Remove.
2871         * cfglayout.c (insn_locators_alloc): Remove old location code.
2872         (set_curr_insn_source_location): Likewise.
2873         (curr_insn_locator): Likewise.
2874         * print-tree.c (print_node): Remove old location code.
2875         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2876         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2877         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2878         location_from_locus.
2879         (construct_exit_block): Remove old location code.
2880         * emit-rtl.c (force_next_line_note): Remove old location code.
2881         * profile.c (branch_prob): Remove old location code.
2882         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2883         LOC_LINE): Remove old-location variants.
2884         * langhooks.c (lhd_print_error_function): Remove old location
2885         code.
2886         * configure, config.in: Rebuilt.
2887         * configure.ac (--enable-mapped-location): Remove.
2888         * c-decl.c (c_init_decl_processing): Remove old location code.
2889         (finish_function): Likewise.
2890         * recog.c (decode_asm_operands): Remove old location code.
2891         * c-pch.c (c_common_read_pch): Remove old location code.
2892         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2893         variants.
2894         * gimple-low.c (lower_function_body): Remove old location code.
2895         * toplev.c (unknown_location): Remove.
2896         (push_srcloc): Remove old-location variant.
2897         (process_options): Remove old location code.
2898         (lang_dependent_init): Likewise.
2899         * input.h (UNKNOWN_LOCATION): Move definition.
2900         (location_t): Undeprecate.
2901         (source_locus): Remove.
2902         (location_from_locus): Remove.
2903         (struct location_s): Remove.
2904         Remove all old-location code.
2905         (input_line, input_filename): Remove.
2906         * final.c (final_scan_insn): Remove old location code.
2907         * diagnostic.c (diagnostic_build_prefix): Remove
2908         USE_MAPPED_LOCATION test.
2909         * tree.h (gimple_stmt) <locus>: Now a location_t.
2910         (tree_exp) <locus>: Likewise.
2911         (DECL_IS_BUILTIN): Remove old-location variant.
2912         (annotate_with_file_line, annotate_with_locus): Likewise.
2913         (expr_locus, set_expr_locus): Update.
2914         * tree.c (build1_stat): Remove old location code.
2915         (last_annotated_node): Remove.
2916         (annotate_with_file_line): Remove old-location variant.
2917         (annotate_with_locus): Likewise.
2918         (expr_location): Remove old location code.
2919         (set_expr_location): Likewise.
2920         (expr_has_location): Likewise.
2921         (expr_locus): Likewise.
2922         (set_expr_locus): Likewise.
2923         (expr_filename): Don't use location_from_locus.
2924         (expr_lineno): Likewise.
2925         * rtl-error.c (location_for_asm): Remove old location code.
2926         * c-lex.c (cb_line_change): Remove old location code.
2927         (fe_file_change): Likewise.
2928         (cb_def_pragma): Likewise.
2929         (c_lex_with_flags): Likewise.
2930         * gengtype.c (do_typedef): Don't special-case location types.
2931         (define_location_structures): Remove.
2932         (main): Don't call define_location_structures.
2933         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2934         code.
2935
2936 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2937
2938         PR 26264
2939         * builtins.def (BUILT_IN_STDARG_START): Remove.
2940         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2941         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2942         * tree-inline.c (inline_forbidden_p_1): Likewise.
2943         
2944 2008-02-26  Richard Guenther  <rguenther@suse.de>
2945
2946         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2947         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2948         (lookup_decl_from_uid): Declare.
2949         (remove_decl_from_map): Likewise.
2950         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2951         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2952         (decl_for_uid_map): New global hashtable mapping DECL_UID
2953         to the decl tree.
2954         (init_ttree): Allocate it.
2955         (insert_decl_to_uid_decl_map): New helper function.
2956         (make_node_stat): Insert new decls into the map.
2957         (copy_node_stat): Likewise.
2958         (lookup_decl_from_uid): New function.
2959         (remove_decl_from_map): Likewise.
2960         (print_decl_for_uid_map_statistics): New helper.
2961         (dump_tree_statistics): Call it.
2962
2963         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2964         (referenced_var_iterator): Adjust.
2965         (FOR_EACH_REFERENCED_VAR): Adjust.
2966         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2967         (num_referenced_vars): Adjust.
2968         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2969         (first_referenced_var): Remove.
2970         (end_referenced_vars_p): Likewise.
2971         (next_referenced_var): Likewise.
2972         (referenced_var_iterator_set): New helper function.
2973         * tree-dfa.c (referenced_var_lookup): Adjust.
2974         (referenced_var_check_and_insert): Likewise.
2975         (remove_referenced_var): Likewise.
2976         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2977         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2978         (verify_call_clobbering): Likewise.
2979         (verify_memory_partitions): Likewise.
2980         (init_tree_ssa): Allocate bitmap instead of hashtable for
2981         referenced_vars.
2982         (delete_tree_ssa): Adjust.
2983         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2984         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2985         (compute_tag_properties): Likewise.
2986         (set_initial_properties): Likewise.
2987         (find_partition_for): Likewise.
2988         (update_reference_counts): Likewise.
2989         (dump_may_aliases_for): Likewise.
2990         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2991         (add_call_clobber_ops): Likewise.
2992         (add_call_read_ops): Likewise.
2993         (get_asm_expr_operands): Likewise.
2994         * tree-into-ssa.c (dump_decl_set): Likewise.
2995         (update_ssa): Likewise.
2996         * tree-sra.c (scan_function): Likewise.
2997         (decide_instantiations): Likewise.
2998         (scalarize_parms): Likewise.
2999         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3000         (dsa_named_for): Likewise.
3001         * tree-ssa-structalias.c (update_alias_info): Likewise.
3002         (merge_smts_into): Likewise.
3003
3004 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3005
3006         PR 34351
3007         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3008         * c-opts.c (c_common_handle_option): Wall enables
3009         Wvolatile-register-var.
3010         * common.opt: Move Wvolatile-register-var to...
3011         * c.opt: ...here.
3012         
3013 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3014
3015         * common.opt (Wlarger-than=): New.
3016         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3017         -Wlarger-than=.
3018         * opts.c (common_handle_option): Handle -Wlarger-than=.
3019         * optc-gen.awk: Likewise.
3020         * opth-gen.awk: Likewise.
3021         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3022         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3023         
3024 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3025
3026         * c-common.c (match_case_to_enum_1): Add appropriate
3027         OPT_W* parameter to warning.
3028         (c_do_switch_warnings): Likewise.
3029         * c-typeck.c (warning_init): Add one more parameter following
3030         'warning' function.
3031         (push_init_level): Update call to warning_init.
3032         (pop_init_level): Likewise.
3033         (add_pending_init): Likewise.
3034         (output_init_element: Likewise.
3035
3036 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3037
3038         PR 28322
3039         * toplev.c (toplev_main): If there are warnings or error, print
3040         errors for ignored options.
3041         * opts.c (ignored_options): New static variable.
3042         (postpone_unknown_option_error): New.
3043         (print_ignored_options): New.
3044         (handle_option): Postpone errors for unknown -Wno-* options.
3045         * opts.h (print_ignored_options): Declare.
3046         
3047 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3048
3049         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3050         to "ghost".
3051
3052 2008-02-25  Richard Guenther  <rguenther@suse.de>
3053
3054         Revert:
3055         2008-02-25  Richard Guenther  <rguenther@suse.de>
3056
3057         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3058         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3059         (lookup_decl_from_uid): Declare.
3060         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3061         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3062         (decl_for_uid_map): New global hashtable mapping DECL_UID
3063         to the decl tree.
3064         (init_ttree): Allocate it.
3065         (insert_decl_to_uid_decl_map): New helper function.
3066         (make_node_stat): Insert new decls into the map.
3067         (copy_node_stat): Likewise.
3068         (lookup_decl_from_uid): New function.
3069         (print_decl_for_uid_map_statistics): New helper.
3070         (dump_tree_statistics): Call it.
3071
3072         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3073         (referenced_var_iterator): Adjust.
3074         (FOR_EACH_REFERENCED_VAR): Adjust.
3075         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3076         (num_referenced_vars): Adjust.
3077         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3078         (first_referenced_var): Remove.
3079         (end_referenced_vars_p): Likewise.
3080         (next_referenced_var): Likewise.
3081         (referenced_var_iterator_set): New helper function.
3082         * tree-dfa.c (referenced_var_lookup): Adjust.
3083         (referenced_var_check_and_insert): Likewise.
3084         (remove_referenced_var): Likewise.
3085         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3086         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3087         (verify_call_clobbering): Likewise.
3088         (verify_memory_partitions): Likewise.
3089         (init_tree_ssa): Allocate bitmap instead of hashtable for
3090         referenced_vars.
3091         (delete_tree_ssa): Adjust.
3092         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3093         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3094         (compute_tag_properties): Likewise.
3095         (set_initial_properties): Likewise.
3096         (find_partition_for): Likewise.
3097         (update_reference_counts): Likewise.
3098         (dump_may_aliases_for): Likewise.
3099         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3100         (add_call_clobber_ops): Likewise.
3101         (add_call_read_ops): Likewise.
3102         (get_asm_expr_operands): Likewise.
3103         * tree-into-ssa.c (dump_decl_set): Likewise.
3104         (update_ssa): Likewise.
3105         * tree-sra.c (scan_function): Likewise.
3106         (decide_instantiations): Likewise.
3107         (scalarize_parms): Likewise.
3108         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3109         (dsa_named_for): Likewise.
3110         * tree-ssa-structalias.c (update_alias_info): Likewise.
3111         (merge_smts_into): Likewise.
3112
3113 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3114
3115         PR fortran/29549
3116         * doc/invoke.texi (-fcx-limited-range): Document new option.
3117         * toplev.c (process_options): Handle -fcx-fortran-rules.
3118         * common.opt: Add documentation for -fcx-fortran-rules.
3119
3120 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3121
3122         PR c/35162
3123         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3124         actual behaviour and C99.
3125         
3126 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3127
3128         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3129         (ASM_CPU_POWER6_SPEC): Likewise.
3130         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3131         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3132         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3133
3134 2008-02-25  Richard Guenther  <rguenther@suse.de>
3135
3136         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3137         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3138         (lookup_decl_from_uid): Declare.
3139         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3140         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3141         (decl_for_uid_map): New global hashtable mapping DECL_UID
3142         to the decl tree.
3143         (init_ttree): Allocate it.
3144         (insert_decl_to_uid_decl_map): New helper function.
3145         (make_node_stat): Insert new decls into the map.
3146         (copy_node_stat): Likewise.
3147         (lookup_decl_from_uid): New function.
3148         (print_decl_for_uid_map_statistics): New helper.
3149         (dump_tree_statistics): Call it.
3150
3151         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3152         (referenced_var_iterator): Adjust.
3153         (FOR_EACH_REFERENCED_VAR): Adjust.
3154         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3155         (num_referenced_vars): Adjust.
3156         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3157         (first_referenced_var): Remove.
3158         (end_referenced_vars_p): Likewise.
3159         (next_referenced_var): Likewise.
3160         (referenced_var_iterator_set): New helper function.
3161         * tree-dfa.c (referenced_var_lookup): Adjust.
3162         (referenced_var_check_and_insert): Likewise.
3163         (remove_referenced_var): Likewise.
3164         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3165         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3166         (verify_call_clobbering): Likewise.
3167         (verify_memory_partitions): Likewise.
3168         (init_tree_ssa): Allocate bitmap instead of hashtable for
3169         referenced_vars.
3170         (delete_tree_ssa): Adjust.
3171         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3172         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3173         (compute_tag_properties): Likewise.
3174         (set_initial_properties): Likewise.
3175         (find_partition_for): Likewise.
3176         (update_reference_counts): Likewise.
3177         (dump_may_aliases_for): Likewise.
3178         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3179         (add_call_clobber_ops): Likewise.
3180         (add_call_read_ops): Likewise.
3181         (get_asm_expr_operands): Likewise.
3182         * tree-into-ssa.c (dump_decl_set): Likewise.
3183         (update_ssa): Likewise.
3184         * tree-sra.c (scan_function): Likewise.
3185         (decide_instantiations): Likewise.
3186         (scalarize_parms): Likewise.
3187         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3188         (dsa_named_for): Likewise.
3189         * tree-ssa-structalias.c (update_alias_info): Likewise.
3190         (merge_smts_into): Likewise.
3191
3192 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3193
3194         PR target/35258
3195         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3196         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3197         * alias.h (nonoverlapping_memrefs_p): Likewise.
3198
3199 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3200
3201         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3202         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3203         __emultls_get_address, __emultls_register_common,
3204         __floatundi?f, and _Unwind_GetIPInfo.
3205         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3206         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3207         (gen_regparm_prefix): Likewise.
3208         (i386_nlm_encode_section_info): Sync with
3209         config/i386/winnt.c:i386_pe_encode_section_info().
3210         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3211         i386_nlm_mangle_decl_assembler_name): New.
3212         (netware_override_options): New.
3213         * config/i386/netware.h (netware_override_options): Declare.
3214         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3215         (i386_nlm_mangle_decl_assembler_name): Declare.
3216         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3217
3218 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3219
3220         PR other/32948
3221         * c-decl.c (grokdeclarator): Remove unused local variables
3222         `typedef_type' and `type_as_written'.
3223         * bb-reorder.c
3224         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3225         unused local variable `has_hot_blocks'.
3226         (fix_crossing_conditional_branches): Remove unused local variable
3227         `prev_bb'.
3228         
3229 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3230
3231         PR middle-end/19984
3232         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3233         using DEF_C99_BUILTIN.
3234         (BUILT_IN_NANF): Ditto.
3235         (BUILT_IN_NANL): Ditto.
3236
3237 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3238             Revital Eres  <eres@il.ibm.com>
3239
3240         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3241         regarding the order of two dependent insns in the same row.
3242
3243 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3244
3245         * stor-layout.c (layout_decl): Do not bump the alignment of a
3246         bit-field to more than byte alignment if it is packed.
3247
3248 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3249
3250         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3251         e300c2 and e300c3.
3252
3253 2008-02-24  Diego Novillo  <dnovillo@google.com>
3254
3255         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3256
3257         PR 33738
3258         * tree-vrp.c (vrp_evaluate_conditional): With
3259         -Wtype-limits, emit a warning when comparing against a
3260         constant outside the natural range of OP0's type.
3261         * c.opt (Wtype-limits): Move ...
3262         * common.opt (Wtype-limits): ... here.
3263
3264 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3265
3266         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3267         * config/rs6000/e300c2c3.md: New file.
3268         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3269         e300c2 and e300c3.
3270         (rs6000_override_options): Add e300c2 and e300c3 cases to
3271         processor_target_table. Do not allow usage of Altivec or Spe
3272         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3273         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3274         * config/rs6000/rs6000.h (processor_type): Add
3275         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3276         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3277         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3278         and ppce300c3. Include e300c2c3.md.
3279
3280 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3281
3282         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3283         instead of TARGET_STRICT_ALIGN.
3284
3285 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3286
3287         * explow.c (memory_address): Assert that the generated address is
3288         valid.
3289
3290 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3291
3292         PR target/25477
3293         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3294         * config/darwin-ppc-ldouble-patch.def: New file.
3295         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3296         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3297         SUBTARGET_INIT_BUILTINS if defined.
3298         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3299         New functions.
3300
3301 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3302
3303         PR rtl-opt/33512
3304         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3305         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3306
3307 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3308
3309         PR pch/35027
3310         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3311         file" warning condtional on -Winvalid-PCH.
3312
3313 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3314
3315         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3316
3317 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3318
3319         PR target/22076
3320         PR target/34256 
3321         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3322         prevent reload from using MMX registers.
3323         (*mov<mode>_internal): Ditto.
3324         (*movv2sf_internal_rex64): Ditto.
3325         (*movv2sf_internal): Ditto.
3326
3327 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3328
3329         PR documentation/31569
3330         * doc/install.texi2html: Use makeinfo --no-number-sections.
3331
3332 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3333
3334         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3335         ensure that we can address an entire entity > 8 bytes.  Don't
3336         generate reg+reg addressing for such data.
3337
3338 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3339
3340         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3341         strings when optimizing for size, unless the target cares about
3342         alignment.
3343
3344 2008-02-22  Tom Tromey  <tromey@redhat.com>
3345
3346         * regclass.c (current_pass): Remove declaration.
3347
3348 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3349
3350         * config/avr/libgcc.S (__RAMPZ__): Define.
3351         (__do_copy_data): Add for devices with 128KB code memory.
3352
3353 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3354
3355         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3356         Use spe_abi.
3357         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3358
3359 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3360
3361         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3362         GENNONACR_REGS.
3363
3364 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3365
3366         PR c/19999
3367         * c-typeck.c (build_binary_op): Warn about floating point
3368         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3369
3370 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3371
3372         PR target/34526
3373         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3374         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3375         add vrsave.
3376         (rs6000_override_options): Set altivec_abi as default, not override,
3377         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3378         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3379         is used; use new member spe_abi.
3380         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3381         spe_abi and altivec_abi.
3382
3383 2008-02-22  Tomas Bily  <tbily@suse.cz>
3384
3385         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3386
3387 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3388
3389         PR bootstrap/35273
3390         * config.build (build_file_translate): Set to `CMD //c' only if
3391         it works.
3392         * Makefile.in (build_file_translate): Improve comment.
3393
3394 2008-02-21  Jan Hubicka  <jh@suse.cz>
3395
3396         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3397         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3398         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3399
3400 2008-02-21  Michael Matz  <matz@suse.de>
3401
3402         PR target/35264
3403         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3404
3405 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3406
3407         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3408         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3409         as insn constraint.
3410         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3411         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3412         SSE_VEC_FLOAT_MODE_P as insn constraint.
3413      &nb