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1 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
2
3         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
4         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
5         offsets for 64-bit mingw.
6         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
7         abi for x86_64-pc-mingw.
8
9 2008-04-02  Richard Guenther  <rguenther@suse.de>
10
11         * tree-vrp.c (extract_range_from_assert): Make sure to not
12         produce range min/max with TREE_OVERFOW set.
13         If merging a anti-range and a range keep the anti-range if
14         the range covers all values of the type.
15         (register_edge_assert_for_2): Only allow sign-changing
16         conversions in detecting canonical range checks.  Also
17         register an assert for the unsigned name if useful.
18
19         PR tree-optimization/35787
20         * tree-vrp.c (vrp_val_max): New function.
21         (vrp_val_min): Likewise.
22         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
23         (vrp_val_is_min): Likewise.
24         (supports_overflow_infinity): Use vrp_val_{min,max}.
25         (negative_overflow_infinity): Likewise.
26         (positive_overflow_infinity): Likewise.
27         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
28         (is_positive_overflow_infinity): Likewise.
29         (is_overflow_infinity): Likewise.
30         (avoid_overflow_infinity): Use vrp_val_{min,max} and
31         vrp_val_is_{min,max}.
32         (set_and_canonicalize_value_range): Canonicalize anti-ranges
33         to ranges if possible.  Avoid empty ranges.
34
35 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
36
37         PR middle-end/35705
38         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
39         the expression is a function address.
40
41 2008-04-01  George Helffrich  <george@gcc.gnu.org>
42
43         PR fortran/PR35154, fortran/PR23057
44         * fortran/trans-common.c (create_common):  Add decl to function
45         chain to preserve identifier scope in debug output.
46
47         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
48         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
49         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
50         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
51         in common.
52         (dbxout_syms): Check for COMMON-based symbol and wrap in
53         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
54         in bracket for efficiency.
55
56         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
57         using DW_TAG_common_block + member offset.
58         (add_pubname_string): New function.
59         (dw_expand_expr): New function to find block name and offset for
60         COMMON var.
61         (common_check): New function to check whether symbol in Fortran COMMON.
62         (gen_variable_die): If COMMON, use DW_TAG_common_block.
63
64         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
65         use of common is unchanged.
66
67         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
68         with all combinations of debug options available on target.
69         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
70         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
71         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
72         .stabs functionality.
73         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
74         DWARF functionality.
75
76 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
77
78         PR c/35436
79         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
80
81 2008-04-02  Ben Elliston  <bje@au.ibm.com>
82
83         * config/v850/v850.md (casesi): Remove if (0) code.
84         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
85         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
86
87 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
88
89         * config/i386/i386.md (rex64suffix): New mode attribute.
90         (floathi<mode>2): Disable expander for SSE math.
91         (*floathi<mode>2_1): New insn insn_and_split pattern.
92         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
93         corresponding post-reload splitters.
94         (*floathi<mode>2_i387): New macroized insn pattern.
95         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
96         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
97         insn_and_split pattern.
98         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
99         New macroized instruction patterns and corresponding post-reload
100         splitters.
101         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
102         and corresponding post-reload splitters.
103         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
104         New macroized instruction patterns.
105         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
106         macroized instruction patterns and corresponding post-reload splitters.
107         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
108         corresponding post-reload splitters.
109         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
110         New macroized instruction patterns.
111         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
112         corresponding post-reload splitters.
113         (*floatsi<mode>2_i387): New macroized instruction patterns.
114
115 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
116
117         * config/i386/i386.md (smaxmin): New.
118         (umaxmin): Likewise.
119         (maxminiprefix): Likewise.
120         (maxminfprefix): Likewise.
121         (<code><mode>3): Likewise.
122         (smin<mode>3): Removed.
123         (smax<mode>3): Likewise.
124
125         * config/i386/mmx.md (mmx_<code>v2sf3): New.
126         (mmx_<code>v4hi3): Likewise.
127         (mmx_<code>v8qi3): Likewise.
128         (mmx_smaxv2sf3): Removed.
129         (mmx_sminv2sf3): Likewise.
130         (mmx_umaxv8qi3): Likewise.
131         (mmx_smaxv4hi3): Likewise.
132         (mmx_uminv8qi3): Likewise.
133         (mmx_sminv4hi3): Likewise.
134
135         * config/i386/sse.md (<addsub><mode>3): New.
136         (*<addsub><mode>3): Likewise.
137         (<sse>_vm<addsub><mode>3): Likewise.
138         (<maxmin><mode>3): Likewise.
139         (*<maxmin><mode>3_finite): Likewise.
140         (*<maxmin><mode>3): Likewise.
141         (<sse>_vm<maxmin><mode>3): Likewise.
142         (sse3_h<addsub>v4sf3): Likewise.
143         (sse3_h<addsub>v2df3): Likewise.
144         (<maxmin>v16qi3): Likewise.
145         (*<maxmin>v16qi3): Likewise.
146         (<maxmin>v8hi3): Likewise.
147         (*<maxmin>v8hi3): Likewise.
148         (*sse4_1_<maxmin><mode>3): Likewise.
149         (*sse4_1_<maxmin><mode>3): Likewise.
150         (add<mode>3): Removed.
151         (*add<mode>3): Likewise.
152         (<sse>_vmadd<mode>3): Likewise.
153         (sub<mode>3): Likewise.
154         (*sub<mode>3): Likewise.
155         (<sse>_vmsub<mode>3): Likewise.
156         (smin<mode>3): Likewise.
157         (*smin<mode>3_finite): Likewise.
158         (*smin<mode>3): Likewise.
159         (<sse>_vmsmin<mode>3): Likewise.
160         (smax<mode>3): Likewise.
161         (*smax<mode>3_finite): Likewise.
162         (*smax<mode>3): Likewise.
163         (<sse>_vmsmax<mode>3): Likewise.
164         (sse3_haddv4sf3): Likewise.
165         (sse3_haddv2df3): Likewise.
166         (sse3_hsubv4sf3): Likewise.
167         (sse3_hsubv2df3): Likewise.
168         (umaxv16qi3): Likewise.
169         (*umaxv16qi3): Likewise.
170         (smaxv8hi3): Likewise.
171         (*smaxv8hi3): Likewise.
172         (*sse4_1_smax<mode>3): Likewise.
173         (*sse4_1_umax<mode>3): Likewise.
174         (uminv16qi3): Likewise.
175         (*uminv16qi3): Likewise.
176         (sminv8hi3): Likewise.
177         (*sminv8hi3): Likewise.
178         (*sse4_1_smin<mode>3): Likewise.
179         (*sse4_1_umin<mode>3): Likewise.
180
181 2008-04-01  Rafael Espindola  <espindola@google.com>
182
183         * tree-cfg.c (verify_expr): remove in_phi.
184         (verify_stmt): Don't call walk_tree with verify_expr. Use
185         is_gimple_min_invariant instead of is_gimple_val.
186
187 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
188
189         * doc/include/gpl_v3.texi: Update for manpage generation.
190         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
191         gpl.texi.
192         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
193         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
194         gpl_v3.texi instead of gpl.texi.
195         (gpl.pod): New.
196
197 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
198
199         PR pch/13675
200         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
201
202 2008-04-01  Rafael Espindola  <espindola@google.com>
203
204         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
205         (extract_code_and_val_from_cond): Use
206         extract_code_and_val_from_cond_with_ops.
207
208 2008-04-01  Jan Hubicka  <jh@suse.cz>
209
210         * function.c (free_after_compilation): Free epilogue_delay_list.
211         (prepare_function_start): Assert that previous compilation was freed.
212
213 2008-04-01  Jan Hubicka  <jh@suse.cz>
214             Jim Wilson  <wilson@tuliptree.org>
215             Andreas Tobler <andreast@gcc.gnu.org>
216
217         PR middle-end/35781
218         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
219         rtl.emit instead cfun->emit.
220         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
221         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
222
223 2008-04-01  Ben Elliston  <bje@au.ibm.com>
224
225         * doc/c-tree.texi (Function Basics): Fix grammatical error.
226
227 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
228
229         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
230         New options
231         (fprofile-use): Add var flag_profile_use
232         * coverage.c (coverage_begin_output): Do not open a gcno file for
233         output only if -ftest-coverage is set.
234         Do not add getpwd() to gcda file path.
235         (build_gcov_info): Check the new flag
236         flag_profile_datafile_relative_path.
237         (coverage_init): Use profile_data_prefix.
238         Read profile counter only if flag_profile_use is set.
239         * opts.c (common_handle_option): New option fprofile-use=,
240         fprofile-dir=, fprofile-generate=.
241         * toplev.c (profile_data_prefix): New variable definition.
242         * toplev.h (profile_data_prefix): New declaration.
243         * doc/invoke.tex (Option Summary, Optimization Options):
244         Add new options.
245
246 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
247
248         * varasm.c (output_constant_pool_1): In LABEL_REF check,
249         use tmp consistently.
250
251         PR target/35695
252         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
253         * config/ia64/ia64.c (rtx_needs_barrier): Handle
254         UNSPEC_FR_RECIP_APPROX_RES.
255         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
256
257 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
258
259         PR c/35750
260         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
261
262 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
263
264         PR middle-end/30186
265         * fold-const.c (fold_indirect_ref_1): Support accessing non first
266         element of the vector via a pointer.
267
268 2008-03-31  Ian Lance Taylor  <iant@google.com>
269
270         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
271
272 2008-03-31  Jan Hubicka  <jh@suse.cz>
273
274         * builtins.c (expand_builtin_setjmp_receiver): Update call of
275         get_arg_pointer_save_area.
276         * expr.c (init_expr): Just clear out rtl.expr.
277         * function.c (free_after_compilation): Clear out whole RTL structure.
278         (get_func_frame_size): Merge into ...
279         (get_frame_size): ... this one.
280         (assign_stack_local_1): Merge into ...
281         (assign_stack_local): ... this one.
282         (expand_function_end): Update call of get_arg_pointer_save_area.
283         (get_art_pointer_save_area): Remove cfun argument.
284         * function.h (emit_status): regno_pointer_align does not need length
285         attribute. Move x_regno_reg_rtx to ...
286         (regno_reg_rtx): ... new global array.
287         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
288         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
289         apply_args_value, forced_labels, stack_pointer_delta):
290         Update accestors.
291         (struct varasm_status): Move here from varasm.c
292         (struct rtl_data): New. Move here some fields from struct function.
293         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
294         frame_offset, stack_check_probe_note, arg_pointer_save_area,
295         used_temp_slots avail_temp_slots, temp_slot_level,
296         nonlocal_goto_handler_labels): Update accesstors.
297         (rtl): New global variable.
298         (struct function): Move some fileds to rtl_data.
299         (get_arg_pointer_save_area): Update prototype.
300         * emit-rtl.c (rtl): Declare.
301         (regno_reg_rtx): Declare.
302         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
303         Update.
304         (gen_reg_rtx): Update.
305         (init_virtual_regs): Do not tate emit_status argument.
306         (init_emit): Do not allocate emit.
307         * varasm.c (varasm_statuc): Move to function.h.
308         (n_deferred_constatns): Update accestor.
309         (init_varasm_status): Do not allocate varasm_status.
310         (force_const_mem, get_pool_size, output_constant_pool): Update.
311         * stmt.c (force_label_rtx): Do not use x_ prefixes.
312         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
313
314 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
315
316         PR rtl-optimization/35729
317         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
318         references.
319
320 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
321
322         PR target/32000
323         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
324         load/store if memory is unaligned.
325         (*movti_rex64): Likewise.
326
327         * config/i386/predicates.md (misaligned_operand): New.
328
329 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
330
331         PR tree-opt/35431
332         * tree-ssa-phiopt.c (conditional_replacement): Return early for
333         complex types.
334
335 2008-03-31  Jan Beulich  <jbeulich@novell.com>
336
337         * config/ia64/constraints.md: Add 'j' constraint.
338         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
339         (movdi_internal): Likewise.
340
341 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
342
343         PR c/35748
344         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
345
346 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
347
348         PR target/35757
349         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
350         proper error message for the third argument on blendpd and
351         blendps.
352
353         * config/i386/sse.md (blendbits): New.
354         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
355
356 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
357
358         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
359
360 2008-03-30  Richard Guenther  <rguenther@suse.de>
361
362         PR middle-end/31023
363         * fold-const.c (fold_sign_changed_comparison): Do leave
364         conversions to base-types alone.
365
366 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
367
368         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
369         the link register if one altivec register is be saved.
370
371 2008-03-30  Ben Elliston  <bje@au.ibm.com>
372
373         * final.c (final_scan_insn): Remove if (0) code.
374
375 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
376
377         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
378
379 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
380
381         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
382         of V4SFmode to ix86_binary_operator_ok.
383
384 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
385
386         * config/i386/i386.c (override_options): Initialize
387         ix86_veclib_handler to ix86_veclibabi_svml when
388         -mveclibabi=svml is used.
389         (ix86_veclibabi_svml): New function for SVML ABI style
390         vectorization support.
391         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
392
393 2008-03-28  Rafael Espindola  <espindola@google.com>
394
395         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
396         (tree_binary_nonnegative_warnv_p): Make it public.
397         (tree_single_nonnegative_warnv_p): Make it public.
398         (tree_invalid_nonnegative_warnv_p): Make it public.
399         (tree_unary_nonzero_warnv_p): Make it public.
400         (tree_binary_nonzero_warnv_p): Make it public
401         (tree_single_nonzero_warnv_p): Make it public.
402         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
403         (extract_range_from_binary_expr): Split the expr argument.
404         (extract_range_from_unary_expr): Split the expr argument.
405         (extract_range_from_comparison): Split the expr argument.
406         (extract_range_from_expr): Use the new aux functions.
407         (vrp_evaluate_conditional_warnv): Use
408         vrp_evaluate_conditional_warnv_with_ops.
409         * tree.h (tree_unary_nonzero_warnv_p): Declare.
410         (tree_binary_nonzero_warnv_p): Declare.
411         (tree_single_nonzero_warnv_p): Declare.
412         (tree_expr_nonzero_warnv_p): Declare.
413         (tree_unary_nonnegative_warnv_p): Declare.
414         (tree_binary_nonnegative_warnv_p): Declare.
415         (tree_single_nonnegative_warnv_p): Declare.
416         (tree_invalid_nonnegative_warnv_p): Declare.
417
418 2008-03-28  Richard Guenther  <rguenther@suse.de>
419
420         PR tree-optimization/30317
421         PR tree-optimization/30911
422         PR tree-optimization/34793
423         * tree-vrp.c (set_and_canonicalize_value_range): New function.
424         (struct assert_locus_d): New member EXPR.
425         (register_new_assert_for): Add EXPR parameter to support
426         ASSERT_EXPR <name, expr OP limit>.
427         (register_edge_assert_for_1): Adjust callers.
428         (find_assert_locations): Likewise.
429         (process_assert_insertions_for): Build condition from expression.
430         (extract_range_from_assert): Handle ASSERT_EXPRs
431         of the form ASSERT_EXPR <name, expr OP limit>.
432         (register_edge_assert_for_2): New helper registering
433         asserts for comparisons.  Recognize range tests of the form
434         (unsigned)i - CST1 OP CST2.
435         (register_edge_assert_for_1): Use it.
436         (register_edge_assert_for): Likewise.
437         (needs_overflow_infinity): Integer sub-types
438         do not need overflow infinities.
439         (vrp_val_is_max): The extreme values of integer sub-types
440         are those of the base type.
441         (vrp_val_is_min): Likewise.
442         * tree.def (ASSERT_EXPR): Document extra allowed conditional
443         expressions.
444
445 2008-03-28  Nick Clifton  <nickc@redhat.com>
446
447         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
448         Return GENERAL_REGS for stack adjustment reloads.
449
450 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
451
452         PR target/31334
453         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
454         const_vector when all the vectors are constant.
455
456 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
457
458         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
459         comparisons.
460         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
461         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
462         (scc_sf): New.
463         (s<code>_sf): Use new scc_sf attribute for opcode names.
464
465 2008-03-27  Tom Tromey  <tromey@redhat.com>
466
467         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
468         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
469         config/spu/t-spu-elf, config/i386/t-interix,
470         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
471         config/i386/x-darwin, config/i386/x-mingw32,
472         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
473         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
474         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
475         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
476         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
477         config/rs6000/x-darwin, config/rs6000/t-rs6000,
478         config/score/t-score-elf, config/arm/t-strongarm-pe,
479         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
480         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
481         Revert automatic dependency patch.
482
483 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
484
485         PR target/35657
486         * config/i386/i386.c (ix86_function_arg_boundary): Align
487         decimal floating point to its natural boundary.
488
489 2008-03-27  Richard Guenther  <rguenther@suse.de>
490
491         PR middle-end/35716
492         * fold-const.c (fold_comparison): Restrict distinct decl
493         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
494         solely rely on operand_equal_p.
495
496 2008-03-27  Richard Guenther  <rguenther@suse.de>
497
498         PR c/32511
499         * c-common.c (handle_weak_attribute): Reject combination of
500         weak and inline.
501
502 2008-03-27  Richard Guenther  <rguenther@suse.de>
503
504         PR tree-optimization/32810
505         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
506         conversions from DECL_INITIAL.
507         (fold_const_aggregate_ref): Likewise from constructor elements.
508
509 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
510
511         * tree-affine.h (aff_combination_expand): Declare.
512         (get_inner_reference_aff): Likewise.
513         * tree-affine.c (aff_combination_expand): Split out from
514         tree_to_aff_combination_expand.
515         (get_inner_reference_aff): New function.
516         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
517         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
518         (struct lim_aux_data): sm_done field removed.
519         (mem_ref_loc_p, mem_ref_locs_p): New types.
520         (struct mem_ref): Added id, stored, accesses_in_loop,
521         indep_loop, dep_loop, indep_ref, dep_ref fields.
522         Removed is_stored, locs and next fields.
523         (memory_accesses): New variable.
524         (movement_possibility): Do not allow moving statements
525         that store to memory.
526         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
527         New functions.
528         (determine_max_movement): For statements with memory references,
529         find the outermost loop in that the reference is independent.
530         (move_computations_stmt): Mark the virtual operands for renaming.
531         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
532         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
533         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
534         add_vop_ref_mapping, create_vop_ref_mapping_loop,
535         create_vop_ref_mapping, analyze_memory_references,
536         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
537         get_all_locs_in_loop, ref_always_accessed_p,
538         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
539         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
540         store_motion_loop, store_motion): New functions.
541         (struct vop_to_refs_elt): New type.
542         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
543         memref_hash, memref_eq, hoist_memory_references): Rewritten.
544         (schedule_sm): Replaced by...
545         (execute_sm): ... this.
546         (determine_lsm_ref, hoist_memory_references,
547         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
548         find_more_ref_vops, free_mem_ref, free_mem_refs,
549         determine_lsm_loop, determine_lsm): Removed.
550         (tree_ssa_lim_finalize): Free data structures used by store motion.
551         (tree_ssa_lim): Call analyze_memory_references.  Use
552         store_motion instead of determine_lsm.
553
554 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
555
556         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
557         rename tmake_file to m68hc11/t-m68hc11.
558         (mcore): Set inhibit_libc to true.
559         * config.host (alpha*-dec-*vms*): Set extra_programs.
560         (interix3*): Don't use host_xmake_file.
561         * configure.ac: Let config.gcc override inhibit_libc.
562         * configure: Regenerate.
563
564         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
565         * config/t-openbsd-thread: Remove commented out lines.
566         
567         * config/x-interix: Remove.
568
569         * config/m68hc11/t-m68hc11-gas: Rename to...
570         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
571
572         * config/mcore/t-mcore: Remove T_CFLAGS.
573         * config/mcore/t-mcore-pe: Likewise.
574
575 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
576
577         * configure.ac: Replace custom __GNU_SOURCE test with
578         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
579         * aclocal.m4: Regenerate.
580         * configure: Regenerate.
581         * config.in: Regenerate.
582
583 2008-03-27  Richard Guenther  <rguenther@suse.de>
584
585         * fold-const.c (target.h): Include.
586         (fold_comparison): Fold comparison of addresses of decls
587         that bind locally or of constants.  Consolidate address folding code.
588         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
589         results from fold_binary_to_constant.
590         (compare_values_warnv): Likewise.
591
592 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
593
594         PR middle-end/35429
595         * fold-const.c (fold_truthop): Check for integeral types when folding
596         a == 0 && b == 0 and a != 0 || b != 0 .
597
598 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
599
600         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
601
602 2008-03-26  Andreas Schwab  <schwab@suse.de>
603
604         * doc/invoke.texi: Fix use of @item vs. @itemx.
605
606 2008-03-26  Tom Tromey  <tromey@redhat.com>
607
608         * Makefile.in (build/gensupport.o, build/print-rtl.o,
609         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
610         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
611         build/gencodes.o, build/genconditions.o, build/genconfig.o,
612         build/genconstants.o, build/genemit.o, build/genextract.o,
613         build/genflags.o, build/genmddeps.o, build/genopinit.o,
614         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
615         options.h.
616
617 2008-03-26  Richard Guenther  <rguenther@suse.de>
618
619         Revert
620         2008-03-26  Richard Guenther  <rguenther@suse.de>
621
622         * fold-const.c (target.h): Include.
623         (fold_comparison): Fold comparison of addresses of two decls
624         that bind locally.  Consolidate address folding code.
625
626 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
627
628         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
629         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
630         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
631         dconstsqrt2, dconstthird, dconste and/or dconst10.
632         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
633         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
634         dconstsqrt2, dconste): Delete.
635         (init_emit_once): Likewise.  Simplify initializing dconstm1.
636         Constify variable.
637         * real.c (get_real_const): New.
638         * real.h (dconst3, dconst10, dconstm2, dconstthird,
639         dconstsqrt2, dconste): Delete.
640         (real_value_const, get_real_const): New.
641
642 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
643
644         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
645
646         * config/i386/i386.c (ix86_function_arg_boundary): Check
647         BIGGEST_ALIGNMENT instead of 128.
648         (setup_incoming_varargs_64): Likewise.
649
650 2008-03-26  Tom Tromey  <tromey@redhat.com>
651
652         * Makefile.in (DEPFILES): Add missing '/'.
653
654 2008-03-26  Richard Guenther  <rguenther@suse.de>
655
656         * fold-const.c (target.h): Include.
657         (fold_comparison): Fold comparison of addresses of two decls
658         that bind locally.  Consolidate address folding code.
659
660 2008-03-26  Nick Clifton  <nickc@redhat.com>
661
662         PR target/31232
663         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
664         not allow INT+INT as a legitimate addressing mode.
665
666 2008-03-26  Richard Guenther  <rguenther@suse.de>
667
668         * tree-flow.h (widen_bitfield): Remove declaration.
669         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
670         (widen_bitfield): Remove function.
671         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
672         code.
673
674 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
675
676         PR target/31558
677         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
678         error_mark_node's.
679
680 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
681
682         PR rtl-optimization/35232
683         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
684         (forget_old_reloads_1, forget_marked_reloads): Don't clear
685         reg_reloaded_call_part_clobbered here.
686         (reload_regs_reach_end_p): New function.
687         (reload_reg_rtx_for_input): New variable.
688         (reload_reg_rtx_for_output): Likewise.
689         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
690         when reassigning a pseudo register.  Load reloadreg from 
691         reload_reg_rtx_for_input, moving the mode and register
692         calculation to...
693         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
694         instead of the original when deciding whether an input reload
695         would be a no-op or whether an output reload can be deleted.
696         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
697         when setting up new_spill_reg_store.  Load it from
698         reload_reg_rtx_for_output, moving the mode and register
699         calculation to...
700         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
701         instead of the original when deciding whether an output reload
702         would be a no-op.  Do the same when modifying insn notes.
703         Use rtx_equal_p instead of == to compare the registers.
704         (inherit_piecemeal_p): Take a mode and two register numbers
705         as argument.
706         (emit_reload_insns): Clear new_spill_reg_store for every hard
707         register in the reload register.  Remove spill registers
708         from reg_reloaded_valid before considering whether to record
709         inheritance information for them.  Use reload_reg_rtx_for_output
710         instead of reg_rtx when recording output reloads.  Use
711         reload_reg_rtx_for_input instead of reg_rtx when recording
712         input reloads.  Set or clear reg_reloaded_call_part_clobbered
713         at the same time as setting reg_reloaded_valid.
714         (delete_output_reload): Add a new_reload_reg parameter and use it
715         instead of rld[j].reg_rtx.
716         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
717         calls accordingly.
718
719 2008-03-25  Tom Tromey  <tromey@redhat.com>
720
721         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
722         (build/genattr.o): Likewise.
723         (build/genattrtab.o): Likewise.
724         (build/gencodes.o): Likewise.
725         (build/genconfig.o): Likewise.
726         (build/genconstants.o): Likewise.
727         (build/genemit.o): Likewise.
728         (build/genextract.o): Likewise.
729         (build/genflags.o): Likewise.
730
731 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
732         
733         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
734         instead of size_int for integer types.
735         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
736         to match type of MINUS_EXPR.
737         
738 2008-03-25  Tom Tromey  <tromey@redhat.com>
739
740         * configure: Rebuilt.
741         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
742         Makefile.
743
744 2008-03-25  Tom Tromey  <tromey@redhat.com>
745
746         * config/x-solaris (host-solaris.o): Update.
747         * config/x-linux (host-linux.o): Update.
748         * config/x-hpux (host-hpux.o): Update.
749         * config/x-darwin (host-darwin.o): Update.
750         * config/v850/t-v850e (v850-c.o): Update.
751         * config/v850/t-v850 (v850-c.o): Update.
752         * config/t-vxworks (vxworks.o): Update.
753         * config/t-sol2 (sol2-c.o, sol2.o): Update.
754         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
755         * config/spu/t-spu-elf (spu-c.o): Update.
756         (spu.o): Remove.
757         * config/sh/t-symbian (sh-c.o): Update.
758         (symbian.o): Update.
759         * config/sh/t-sh (sh-c.o): Update.
760         * config/score/t-score-elf (score7.o, score3.o): Update.
761         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
762         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
763         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
764         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
765         (rs6000.o): Remove.
766         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
767         * config/m32c/t-m32c (m32c-pragma.o): Update.
768         * config/ia64/t-ia64 (ia64-c.o): Update.
769         * config/i386/x-mingw32 (host-mingw32.o): Update.
770         * config/i386/x-i386 (driver-i386.o): Update.
771         * config/i386/x-darwin (host-i386-darwin.o): Update.
772         * config/i386/x-cygwin (host-cygwin.o): Update.
773         * config/i386/t-nwld (nwld.o): Update.
774         * config/i386/t-netware (netware.o): Update.
775         * config/i386/t-interix (winnt.o): Update.
776         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
777         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
778         msformat-c.o): Update.
779         * config/bfin/t-bfin-linux (generated_files): Add
780         linux-sysroot-suffix.h.
781         * config/arm/t-wince-pe (pe.o): Update.
782         * config/arm/t-strongarm-pe (pe.o): Update.
783         * config/arm/t-pe (pe.o): Update.
784         * config/arm/t-arm (arm-c.o): Update.
785         * doc/install.texi (Prerequisites): Require make 3.80.
786         * Makefile.in: Remove .o targets.
787         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
788         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
789         (simple_generated_h, simple_generated_c): Move earlier.
790         (generated_files): New variable.
791         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
792         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
793         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
794         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
795         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
796         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
797         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
798         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
799         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
800         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
801         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
802         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
803         (.c.o): Remove.
804         (COMPILE.base, COMPILE): New variables.
805         (%.o): New pattern rule.
806         (ALL_HOST_OBJS): New variable.
807         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
808         (dummy-checksum.o, cc1-checksum.o): Remove.
809         (DRIVER_SHLIB): New variable.
810         (DRIVER_DEFINES): Use it.
811         (gencondmd.c): Move out of build/.
812         (s-conditions): Update.
813         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
814         (ALL_BUILD_OBJS): Likewise.
815         (build/%.o): Use BUILDCOMPILE.
816         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
817         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
818         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
819         build/gencheck.o, build/gencodes.o, build/genconditions.o,
820         build/genconfig.o, build/genconstants.o, build/genemit.o,
821         build/genextract.o, build/genflags.o, build/genmddeps.o,
822         build/genopinit.o, build/genoutput.o, build/genpeep.o,
823         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
824         build/gen-protos.o, build/scan.o, build/fix-header.o,
825         build/scan-decls.o): Simplify.
826         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
827         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
828         prefix.o, toplev.o): Reduce to variable setting.
829         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
830         ($(out_object_file), gcc-options.o): New targets.
831         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
832         * configure: Rebuilt.
833         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
834         * doc/sourcebuild.texi (Front End Directory): Document new variable.
835
836 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
837
838         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
839         complain when we hit an error, return ERROR_MARK_NODE.
840
841 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
842
843         * config/sh/constraints.md (Pso, Psz): New constraints.
844         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
845         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
846
847 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
848
849         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
850         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
851
852 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
853
854         * config/sh/sh.md (prefetch): Add condition for SH2A target.
855         (prefetch_sh2a): New.   
856
857 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
858             Naveen.H.S  <naveen.hs@kpitcummins.com>
859
860         * config/sh/constraints.md (I28): New constraint.
861         * config/sh/sh.c (broken_move): Add support for movi20s.
862         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
863
864 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
865             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
866             Naveen.H.S  <naveen.hs@kpitcummins.com>
867
868         * config/sh/sh.c (SH_ATTRIBUTES): Define.
869         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
870         (print_operand): Handle resbank in %@ operand code.
871         (sh_encode_section_info): New.
872         (push_regs): Add conditions for resbank.
873         (sh_expand_epilogue): Likewise.
874         (sh_insert_attributes): Likewise.
875         (sh_attribute_table): Likewise.
876         (sh_handle_resbank_handler_attribute): New.
877         (sh2a_handle_function_vector_handler_attribute): New.
878         (sh2a_is_function_vector_call): New.
879         (sh2a_get_function_vector_number): New.
880         (sh2a_function_vector_p): New.
881         (sh_cfun_resbank_handler_p): New.
882         * config/sh/sh.md (calli): Emit jsr/n if possible.
883         (calli_tbr_rel): New.
884         (calli_pcrel): Emit jsr/n if possible.
885         (return_i): Emit rts/n if possible.
886         (call_valuei_tbr_rel): New.
887         (call_valuei_pcrel): Add condition for SH2A target.
888         (call_value): Likewise.
889         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
890         (sh2a_get_function_vector_number): Likewise.
891         (sh2a_is_function_vector_call): Likewise.
892         * doc/extend.texi: Document TBR relative addressing of SH2A.
893         (resbank): Add description for SH2A.
894
895 2008-03-24  Richard Guenther  <rguenther@suse.de>
896
897         PR c/22371
898         * gimplify.c (gimplify_modify_expr): For frontend type-correct
899         pointer assignments change conversions according to middle-end rules.
900         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
901         * configure.ac: Include type checking in yes.
902         * configure: Regenerate.
903
904 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
905
906         * diagnostic.c (diagnostic_count_diagnostic): Delete.
907         (diagnostic_report_diagnostic): Update. Handle ICEs here.
908         
909 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
910
911         * gthr-vxworks.h (UNUSED): Define.
912
913 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
914
915         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
916
917 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
918
919         * doc/extend.texi (Function Attributes): Add missing comma in the
920         example of the "alloc_size" attribute.
921         
922 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
923
924         Revert:
925         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
926
927         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
928         32bit host.
929
930         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
931
932         PR target/35496
933         * stor-layout.c (update_alignment_for_field): Set minimum alignment
934         of the underlying type of a MS bitfield layout to the natural
935         alignment of the type.
936
937         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
938
939         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
940         to their natural alignment to avoid store forwarding stalls.
941
942 2008-03-22  Richard Guenther  <rguenther@suse.de>
943
944         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
945         For PHI nodes verify the address is invariant.
946         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
947         (get_symbol_constant_value): Use is_gimple_min_invariant.
948         (maybe_fold_stmt_indirect): Likewise.
949
950 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
951
952         PR rtl-optimization/33927
953         * Makefile.in (dse.o): Depend on $(TM_P_H).
954         * expr.h (extract_low_bits): Declare.
955         * expmed.c (extract_low_bits): New function.
956         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
957         * dse.c: Include tm_p.h.
958         (find_shift_sequence): Remove the read_reg argument and return the
959         read value.  Emit the instructions instead of returning them.
960         Iterate on new_mode rather than calculating it each time.
961         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
962         source to NEW_MODE and extract_low_bits to convert the shifted
963         value to READ_MODE.
964         (replace_read): Allow the load and store to have different mode
965         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
966         or extraction instructions before trying the replacement.  Update
967         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
968
969 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
970
971         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
972         to their natural alignment to avoid store forwarding stalls.
973
974 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
975
976         PR target/27946
977         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
978         encouraging but not allowing gprs for input;
979         change the input constraint to !f#r.
980         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
981         gprs for output;
982         change the output constraint to !f#r.
983
984 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
985
986         PR target/13958
987         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
988         corresponding post-reload splitters.
989         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
990         when x87 FP math is selected.
991         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
992         New function prototype.
993         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
994         unreachable function to ease macroization of insn patterns.
995
996 2008-03-21  Martin Jambor  <mjambor@suse.cz>
997
998         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
999         reference dumps if ddr is NULL or dependence is unknown.
1000
1001 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1002
1003         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1004         unsigned extension into account.
1005         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1006         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1007         Do computations on a scratch register.
1008
1009 2008-03-21  Richard Guenther  <rguenther@suse.de>
1010
1011         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1012         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1013         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1014         * tree-ssa-dom.c (record_equality): Likewise.
1015         * tree-inline.c (copy_body_r): Likewise.
1016         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1017         TREE_INVARIANT.
1018
1019 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1020
1021         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1022         as 'delete_unused' argument.
1023
1024 2008-03-20  Richard Guenther  <rguenther@suse.de>
1025
1026         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1027         special casing of constant qualifiers.
1028         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1029         care about them in general.
1030         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1031         regardless of their type.
1032         (fold_stmt_r): Forcefully fold *& if we end up with that.
1033
1034 2008-03-20  Paul Brook  <paul@codesourcery.com>
1035
1036         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1037         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1038         linker flags.
1039         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1040         definition.
1041         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1042         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1043
1044 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1045
1046         * common.opt (Wmudflap): New option.
1047         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1048         (mx_register_decls): Likewise.
1049         (mudflap_finish_file): Likewise.
1050         * doc/invoke.texi: Document -Wno-mudflap.
1051
1052 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1053
1054         * c-format.c (replace_format_name_to_system_name): New.
1055         (cmp_attribs): New.
1056         (convert_format_name_to_system_name): New.
1057         (decode_format_attr): Add use of convert_format_name_to_system_name.
1058         (format_types_orig): Add gnu_ prefix to names.
1059         (check_format_info_main): Special treating of \0 escaped names for
1060         supporting multi-character format specifiers as I32, I64.
1061         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1062         (gnu_target_overrides_format_attributes): New.
1063         * c-format.h: Add structure target_ovr_attr to hold
1064         system specific formatter names.
1065         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1066         msformat-c.o file to c_target_objs and cxx_target_objs.
1067         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1068         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1069         (TARGET_N_FORMAT_TYPES): New.
1070         * config/i386/msformat-c.c: New.
1071         * config/i386/t-cygming: Add build rule for msformat-c.o.
1072         * doc/extend.texi: Add new format names gnu_* and ms_* and
1073         further details.
1074         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1075
1076 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1077
1078         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1079         optimizations turned on under -O3.
1080         (ftree-vectorize): Add that the flag is turned on with -O3.
1081
1082 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1083
1084         * regmove.c (try_auto_increment): Fix spelling error in comment.
1085         * final.c (final_scan_insn): Likewise.
1086
1087 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1088
1089         PR target/14552
1090         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1091         allocator preferences for "y" and "r" class registers.
1092         ("*mov<mode>_internal"): Ditto.
1093         ("*movv2sf_internal_rex64"): Ditto.
1094         ("*movv2sf_internal"): Ditto.
1095
1096 2008-03-19  Michael Matz  <matz@suse.de>
1097
1098         PR middle-end/35616
1099         * calls.c (expand_call): Check overlap of arguments with call
1100         address for sibcalls.
1101
1102 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1103
1104         PR target/35496
1105         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1106         of the underlying type of a MS bitfield layout to the natural
1107         alignment of the type.
1108
1109 2008-03-19  Jan Hubicka  <jh@suse.cz>
1110
1111         PR other/35094
1112         * toplev.c (decode_d_option): Handle all CPP flags.
1113         * tree-vrp.c: Update tree_pass descriptors.
1114         * regrename.c: Update tree_pass descriptors.
1115         * fwprop.c: Update tree_pass descriptors.
1116         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1117         * tree-into-ssa.c: Update tree_pass descriptors.
1118         * tree-dump.c: Update tree_pass descriptors.
1119         * tree-complex.c: Update tree_pass descriptors.
1120         * tree-dump.h: Update tree_pass descriptors.
1121         * see.c: Update tree_pass descriptors.
1122         * cgraphbuild.c: Update tree_pass descriptors.
1123         * tracer.c: Update tree_pass descriptors.
1124         * tree-loop-distribution.c: Update tree_pass descriptors.
1125         * cgraph.c: Update tree_pass descriptors.
1126         * postreload-gcse.c: Update tree_pass descriptors.
1127         * postreload.c: Update tree_pass descriptors.
1128         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1129         * tree-tailcall.c: Update tree_pass descriptors.
1130         * tree-pass.h (tree_opt_pass): Rename to ...
1131         (opt_pass) ... this one; add "type" field and remove letter field.
1132         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1133         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1134         all_lowering_passes): Update declaration.
1135         * ipa-cp.c: Update tree_pass descriptors.
1136         * final.c: Update tree_pass descriptors.
1137         * omp-low.c: Update tree_pass descriptors.
1138         * tree-ssa-dse.c: Update tree_pass descriptors.
1139         * ipa-reference.c: Update tree_pass descriptors.
1140         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1141         * auto-inc-dec.c: Update tree_pass descriptors.
1142         * reorg.c: Update tree_pass descriptors.
1143         * cgraphunit.c: Update tree_pass descriptors.
1144         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1145         * tree-ssa-ccp.c: Update tree_pass descriptors.
1146         * df-core.c: Update tree_pass descriptors.
1147         * mode-switching.c: Update tree_pass descriptors.
1148         * tree-nomudflap.c: Update tree_pass descriptors.
1149         * modulo-sched.c: Update tree_pass descriptors.
1150         * ipa-pure-const.c: Update tree_pass descriptors.
1151         * cse.c: Update tree_pass descriptors.
1152         * web.c: Update tree_pass descriptors.
1153         * tree-stdarg.c: Update tree_pass descriptors.
1154         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1155         * tree-ssa-dom.c: Update tree_pass descriptors.
1156         * tree-nrv.c: Update tree_pass descriptors.
1157         * tree-ssa-alias.c: Update tree_pass descriptors.
1158         * loop-init.c: Update tree_pass descriptors.
1159         * gimple-low.c: Update tree_pass descriptors.
1160         * ipa-inline.c: Update tree_pass descriptors.
1161         * tree-ssa-sink.c: Update tree_pass descriptors.
1162         * global.c: Update tree_pass descriptors.
1163         * ifcvt.c: Update tree_pass descriptors.
1164         * jump.c: Update tree_pass descriptors.
1165         * predict.c: Update tree_pass descriptors.
1166         * tree-ssa-loop.c: Update tree_pass descriptors.
1167         * recog.c: Update tree_pass descriptors.
1168         * dse.c: Update tree_pass descriptors.
1169         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1170         * tree-eh.c: Update tree_pass descriptors.
1171         * regmove.c: Update tree_pass descriptors.
1172         * local-alloc.c
1173         * function.c: Update tree_pass descriptors.
1174         * tree-vectorizer.c: Update tree_pass descriptors.
1175         * gcse.c: Update tree_pass descriptors.
1176         * ipa-type-escape.c: Update tree_pass descriptors.
1177         * tree-if-conv.c: Update tree_pass descriptors.
1178         * init-regs.c: Update tree_pass descriptors.
1179         * ipa.c: Update tree_pass descriptors.
1180         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1181         * rtl-factoring.c: Update tree_pass descriptors.
1182         * lower-subreg.c: Update tree_pass descriptors.
1183         * bt-load.c: Update tree_pass descriptors.
1184         * tree-dfa.c: Update tree_pass descriptors.
1185         * except.c: Update tree_pass descriptors.
1186         * emit-rtl.c: Update tree_pass descriptors.
1187         * cfgexpand.c: Update tree_pass descriptors.
1188         * tree-cfgcleanup.c: Update tree_pass descriptors.
1189         * cfgcleanup.c: Update tree_pass descriptors.
1190         * tree-ssa-pre.c: Update tree_pass descriptors.
1191         * tree-sra.c: Update tree_pass descriptors.
1192         * tree-mudflap.c: Update tree_pass descriptors.
1193         * tree-ssa-copy.c: Update tree_pass descriptors.
1194         * cfglayout.c: Update tree_pass descriptors.
1195         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1196         * tree-ssa-dce.c: Update tree_pass descriptors.
1197         * tree-ssa.c: Update tree_pass descriptors.
1198         * regclass.c: Update tree_pass descriptors.
1199         * integrate.c: Update tree_pass descriptors.
1200         * tree-optimize.c: Update tree_pass descriptors.
1201         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1202         * tree-object-size.c: Update tree_pass descriptors.
1203         * combine.c: Update tree_pass descriptors.
1204         * tree-outof-ssa.c: Update tree_pass descriptors.
1205         * bb-reorder.c: Update tree_pass descriptors.
1206         * stack-ptr-mod.c: Update tree_pass descriptors.
1207         * var-tracking.c: Update tree_pass descriptors.
1208         * tree-profile.c: Update tree_pass descriptors.
1209         * tree-vect-generic.c: Update tree_pass descriptors.
1210         * reg-stack.c: Update tree_pass descriptors.
1211         * sched-rgn.c: Update tree_pass descriptors.
1212         * tree-ssa-structalias.c: Update tree_pass descriptors.
1213         * tree-cfg.c: Update tree_pass descriptors.
1214         * passes.c (current_pass): Update declaration.
1215         (finish_optimization_passes): Update.
1216         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1217         (register_one_dump_file, register_dump_files_1, next_pass_1):
1218         Update arguments.
1219         (init_optimization_passes): Update handling of new types.
1220         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1221         * ipa-struct-reorg.c: Update tree_pass descriptors.
1222         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1223         * combine-stack-adj.c: Update tree_pass descriptors.
1224         * cfgrtl.c: Update tree_pass descriptors.
1225         * dce.c: Update tree_pass descriptors.
1226         * tree-ssanames.c: Update tree_pass descriptors.
1227
1228 2008-03-19  Richard Guenther  <rguenther@suse.de>
1229
1230         PR middle-end/35609
1231         * tree-ssa.c (walk_data): New structure.
1232         (warn_uninitialized_var): If not always_executed warn with "maybe"
1233         instead of "is".
1234         (execute_early_warn_uninitialized): Compute post-dominators.
1235         Initialize always_executed before processing each basic block.
1236
1237 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1238
1239         PR target/35504
1240         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1241         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1242
1243 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1244
1245         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1246
1247 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1248
1249         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1250         is true.
1251         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1252         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1253         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1254         target after ignore has been set, and move there also the commputation
1255         of subtarget and original_target.
1256         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1257         (LANG_HOOKS_INITIALIZER): Remove it.
1258         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1259
1260 2008-03-18  Richard Guenther  <rguenther@suse.de>
1261
1262         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1263         found an expression with constants, note that in the VN for the lhs.
1264         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1265         fold them to constants if possible.  Run cleanup_cfg if done so.
1266         (execute_pre): Return todo.
1267         (do_pre): Likewise.
1268         (execute_fre): Likewise.
1269         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1270         of constants.
1271         (get_prop_source_stmt): Look through pointer conversions.
1272
1273 2008-03-18  Jan Hubicka  <jh@suse.cz>
1274
1275         * tree-pretty-print.c: Include predict.h.
1276         (dump_generic_node): Dump predictor.
1277         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1278         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1279         * gimple-low.c (lower_stmt): Likewise.
1280         * expr.c (expand_expr_real): Likewise.
1281         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1282         them.
1283         (build_predict_expr, build_predict_expr): New.
1284         * predict.h (predictor_name, build_predict_expr): Update.
1285         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1286         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1287         * predict.def (PRED_CONTINUE): Update hitrate.
1288         * tree.def (PREDICT_EXPR): Define.
1289         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1290         do not handle BIND_EXPR.
1291         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1292         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1293         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1294         operands.
1295
1296 2008-03-18  Michael Matz  <matz@suse.de>
1297
1298         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1299
1300 2008-03-18  Richard Guenther  <rguenther@suse.de>
1301
1302         * tree-gimple.h (is_gimple_invariant_address): Declare.
1303         (is_gimple_constant): Likewise.
1304         * tree-gimple.c (is_gimple_constant): New function.
1305         (is_gimple_invariant_address): Likewise.
1306         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1307         and is_gimple_invariant_address.
1308         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1309         previous change.
1310         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1311         an addressable base.
1312
1313 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1314
1315         PR middle-end/35611
1316         * gimplify.c (gimplify_expr): Gimplify second operand of
1317         OMP_ATOMIC_LOAD.
1318
1319 2008-03-17  Richard Guenther  <rguenther@suse.de>
1320
1321         PR tree-optimization/19637
1322         * fold-const.c (fold_unary): Remove restrictions of removing
1323         intermediate pointer-conversions (P2)(P1)P0.
1324         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1325         conversion to void pointer.
1326         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1327
1328 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1329
1330         PR debug/31510
1331         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1332         emulated thread local variables.
1333
1334 2008-03-16  Richard Guenther  <rguenther@suse.de>
1335
1336         PR middle-end/35607
1337         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1338         expand TREE_INVARIANT operations that are not gimple invariant.
1339
1340 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1341
1342         * doc/extend.texi (Alignment): Say that the ABI controls
1343         the __alignof__ for non-strict-alignment targets rather
1344         than being a recommendation.
1345
1346 2008-03-15  Paul Brook  <paul@codesourcery.com>
1347
1348         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1349         annotations.
1350         (arm_output_fn_unwind): Mark functions that can not be unwound.
1351
1352 2008-03-15  Paul Brook  <paul@codesourcery.com>
1353
1354         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1355         extension instructions.
1356
1357 2008-03-15  Richard Guenther  <rguenther@suse.de>
1358
1359         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1360         and fold constant aggregate refs.
1361         (fold_const_aggregate_ref): Handle string constants
1362         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1363         (evaluate_stmt): Simplify now that ccp_fold folds constant
1364         aggregate refs.
1365
1366 2008-03-15  Paul Brook  <paul@codesourcery.com>
1367
1368         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1369         (extzv): Use gen_extzv_t2.
1370         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1371
1372 2008-03-15  Richard Guenther  <rguenther@suse.de>
1373
1374         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1375         (fold_const_aggregate_ref): Likewise.
1376         (get_value): Return NULL if we don't have any values.
1377         (ccp_finalize): Set const_val to NULL after freeing it.
1378         * tree-flow.h (get_symbol_constant_value): Declare.
1379         (fold_const_aggregate_ref): Likewise.
1380         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1381
1382 2008-03-15  Richard Guenther  <rguenther@suse.de>
1383
1384         PR middle-end/35593
1385         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1386         to not produce negative array indices if not allowed.  Add
1387         parameter to indicate that.
1388         (maybe_fold_offset_to_component_ref): Allow negative array
1389         indices only for the first member of a structure.
1390         (maybe_fold_offset_to_reference): Allow negative array indices.
1391         (maybe_fold_stmt_addition): Likewise.
1392
1393 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1394             Anatoly Sokolov <aesok@post.ru>
1395
1396         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1397         (avr_arch): Add ARCH_AVR6.
1398         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1399         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1400         instead of fixed value 2.
1401         (print_operand_address): Use gs() asm specifier instead of pm().
1402         (avr_assemble_integer): (Ditto.).
1403         (avr_output_addr_vec_elt): (Ditto.).
1404         (print_operand): Handle "!" code.
1405         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1406         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1407         (AVR_HAVE_EIJMP_EICALL): Define.
1408         (AVR_3_BYTE_PC): Redefine.
1409         (AVR_2_BYTE_PC): (Ditto.).
1410         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1411         (LINK_SPEC): Add atmega2560 and atmega2561.
1412         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1413         (crtm2561.o).
1414         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1415         for 3 byte PC devices.
1416         (call_value_insn): (Ditto.).
1417         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1418         (indirect_jump): Use only for for 2 byte PC devices.
1419         (*tablejump): (Ditto.).
1420         (*indirect_jump_avr6): Add insn.
1421         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1422         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1423         instead of ijmp for 3 byte PC devices.
1424         (__tablejump2__): (Ditto.).
1425         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1426         (MULITLIB_DIRNAMES): (Ditto.). 
1427         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1428
1429 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1430
1431         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1432         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1433         ("mmx_psadbw"): Use V1DI mode for operand 0.
1434         * config/i386/i386-modes.def (V1SI): New vector mode.
1435         * config/i386/i386.c (struct builtin_description)
1436         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1437         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1438         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1439         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1440         v1di_ftype_v8qi_v8qi type.
1441         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1442
1443         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1444         __builtin_ia32_pmuludq]: Fix the mode of return value.
1445
1446 2008-03-15  Richard Guenther  <rguenther@suse.de>
1447
1448         PR middle-end/35595
1449         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1450         being a PHI_NODE.
1451
1452 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1453         
1454         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1455         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1456         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1457         unless TARGET_SERIALIZE_VOLATILE is enabled.
1458         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1459         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1460         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1461
1462 2008-03-14  Richard Guenther  <rguenther@suse.de>
1463
1464         PR tree-optimization/34172
1465         * tree-flow.h (refs_may_alias_p): Declare.
1466         (get_single_def_stmt): Likewise.
1467         (get_single_def_stmt_from_phi): Likewise.
1468         (get_single_def_stmt_with_phi): Likewise.
1469         * tree-dfa.c (refs_may_alias_p): New function.
1470         (get_single_def_stmt): Likewise.
1471         (get_single_def_stmt_from_phi): Likewise.
1472         (get_single_def_stmt_with_phi): Likewise.
1473         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1474         (vn_reference_lookup_1): New helper function.
1475         (vn_reference_lookup): Walk the virtual use-def chain to
1476         continue searching for a match if the def does not alias the
1477         reference we are looking for.
1478
1479 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1480
1481         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1482         archive and Perzl.  Update The Written Word listing.
1483
1484 2008-03-14  Richard Guenther  <rguenther@suse.de>
1485
1486         PR tree-optimization/34043
1487         PR tree-optimization/33989
1488         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1489         when doing FRE.
1490         (bitmap_find_leader): Use extra argument to verify dominance
1491         relationship inside a basic-block.
1492         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1493         (find_leader_in_sets): Adjust.
1494         (create_component_ref_by_pieces): Take extra argument for
1495         dominance check, handle lookup failures.
1496         (find_or_generate_expression): Likewise.
1497         (create_expression_by_pieces): Likewise.
1498         (insert_into_preds_of_block): Adjust.
1499         (create_value_expr_from): If asked for, verify all operands
1500         are in the blocks AVAIL_OUT set.
1501         (make_values_for_stmt): Check for SSA_NAMEs that are life
1502         over an abnormal edge.
1503         (compute_avail): Remove such check.
1504         (do_SCCVN_insertion): New function.
1505         (eliminate): If we do not find a leader suitable for replacement
1506         insert a replacement expression from SCCVN if available.
1507         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1508         (struct vn_ssa_aux): Add needs_insertion flag.
1509         * tree-ssa-sccvn.c (may_insert): New global flag.
1510         (copy_reference_ops_from_ref): Value-number union member access
1511         based on its size, not type and member if insertion is allowed.
1512         (visit_reference_op_load): For a weak match from union type
1513         punning lookup a view-converted value and insert a SSA_NAME
1514         for that value if that is not found.
1515         (visit_use): Make dumps shorter.  Do not disallow value numbering
1516         SSA_NAMEs that are life over an abnormal edge to constants.
1517         (free_scc_vn): Release inserted SSA_NAMEs.
1518         (run_scc_vn): New flag to specify whether insertion is allowed.
1519         Process SSA_NAMEs in forward order.
1520         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1521         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1522         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1523         pointer type to/from integral types that do not change the
1524         precision to regular conversions.
1525
1526 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1527
1528         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1529         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1530         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1531         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1532         input arguments and the mode of return value.  Built-in functions
1533         that operate on whole 64-bit MMX register now use V1DI mode.
1534
1535 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1536             Olga Golovanevsky  <olga@il.ibm.com>
1537
1538         PR tree-optimization/35041
1539         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1540         to locate the right position in a statement.
1541
1542 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1543
1544         PR target/34000
1545         PR target/35553
1546         * config/i386/xmmintrin.h:  Change all static inline functions to
1547         extern inline and add __gnu_inline__ attribute.
1548         * config/i386/bmintrin.h: Ditto.
1549         * config/i386/smmintrin.h: Ditto.
1550         * config/i386/tmmintrin.h: Ditto.
1551         * config/i386/mmintrin-common.h: Ditto.
1552         * config/i386/ammintrin.h: Ditto.
1553         * config/i386/emmintrin.h: Ditto.
1554         * config/i386/pmmintrin.h: Ditto.
1555         * config/i386/mmintrin.h: Ditto.
1556         * config/i386/mm3dnow.h: Ditto.
1557
1558 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1559
1560         PR middle-end/35185
1561         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1562         (lower_omp_2): New function.
1563         (lower_omp_1, lower_omp): Rewritten.
1564
1565 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1566
1567         PR 35054
1568         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1569         with the phrase "Microsoft Windows compilers".
1570         (Push/Pop Macro Pragmas): New subsection. Document
1571         #pragma push_macro and pragma pop_macro.
1572
1573 2008-03-12  Paul Brook  <paul@codesourcery.com>
1574
1575         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1576
1577 2008-03-12  Paul Brook  <paul@codesourcery.com>
1578
1579         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1580         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1581         (thumb2_addsi_shortim): Rename ...
1582         (thumb2_addsi_short): ... to this.  Allow register operands.
1583         (thumb2_subsi_short): New pattern.
1584         (thumb2_one_cmplsi2_short,
1585         thumb2_negsi2_short): New patterns and peepholes.
1586
1587 2008-03-12  Paul Brook  <paul@codesourcery.com>
1588
1589         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1590
1591 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1592
1593         * config/i386/i386.md (int_cond): New code iterator.
1594         (fp_cond): Ditto.
1595         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1596         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1597         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1598         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1599         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1600         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1601         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1602         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1603
1604 2008-03-12  Paul Brook  <paul@codesourcery.com>
1605
1606         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1607         instead of {arm,thumb}_compute_save_reg_mask.
1608         (output_return_instruction): Ditto.
1609         (thumb_unexpanded_epilogue): Ditto.
1610         (thumb1_expand_prologue): Ditto.
1611         (thumb1_output_function_prologue): Ditto.
1612         (arm_set_return_address): Ditto.
1613         (thumb_set_return_address): Ditto.
1614         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1615         regs to achieve stack alignment.
1616         (thumb1_compute_save_reg_mask): Fix compiler warning.
1617         (arm_output_epilogue): Use offsets->saved_regs_mask.
1618         Adjust stack pointer by poping call clobered registers.
1619         (arm_expand_prologue): Use offsets->saved_regs_mask.
1620         Adjust stack pointer by pushing extra registers.
1621         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1622
1623 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1624
1625         PR tree-opt/35422
1626         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1627         conversion to the operands of a multiplication.
1628
1629 2008-03-12  Richard Guenther  <rguenther@suse.de>
1630
1631         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1632         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1633         * timevar.def (TV_TREE_PHIPROP): Add.
1634         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1635         pass description.  Use TV_TREE_PHIPROP.
1636         * tree-ssa-forwprop.c: Remove phiprop code.
1637
1638 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1639
1640         PR middle-end/35549
1641         * omp-low.c (maybe_lookup_decl): Constify first argument.
1642         (use_pointer_for_field): Change last argument from bool to
1643         omp_context *.  Disallow shared copy-in/out in nested
1644         parallel if decl is shared in outer parallel too.
1645         (build_outer_var_ref, scan_sharing_clauses,
1646         lower_rec_input_clauses, lower_copyprivate_clauses,
1647         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1648
1649 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1650             Ira Rosen  <irar@il.ibm.com>
1651
1652         * tree-vectorizer.c (free_stmt_vec_info): New function.
1653         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1654         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1655         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1656         * tree-vect-transform.c (vectorizable_conversion): Free
1657         vec_oprnds0 if it was allocated.
1658         (vect_permute_store_chain): Remove unused VECs.
1659         (vectorizable_store): Free VECs that are allocated in the..
1660         function.
1661         (vect_transform_strided_load, vectorizable_load): Likewise.
1662         (vect_remove_stores): Simplify the code.
1663         (vect_transform_loop): Move code to vect_remove_stores().
1664         Call vect_remove_stores() and free_stmt_vec_info().
1665
1666 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1667
1668         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1669         TARGET_HPUX.  Revise comment.
1670         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1671         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1672         Use sr4 variant of `be' instruction when not generating PIC code.
1673         (attr_length_call): Adjust for above change.
1674
1675 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1676
1677         * ipa-reference.c (static_execute): Remove module_statics_const and
1678         associated setting code.
1679
1680 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1681
1682         PR target/35540
1683         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1684         predicate for operand 1.
1685         (paritysi2_cmp): Use register_operand predicate for operand 2.
1686         Use earlyclobber modifier for operand 1.  Remove support for
1687         memory operands.
1688         (paritydi2_cmp): Use register_operand predicate for operand 3.
1689         Use earlyclobber modifier for operand 1.  Remove support for
1690         memory operands.
1691
1692 2008-03-11  Paul Brook  <paul@codesourcery.com>
1693             Vladimir Prus  <vladimir@codesourcery.com>
1694
1695         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1696         (arm_compute_save_reg0_reg12_mask): Always
1697         check if register 11 must be saved.  Always safe hard frame pointer
1698         when frame_pointer_needeed.
1699         (arm_compute_save_reg_mask): Save IP and PC
1700         only with apcs frames.
1701         (arm_output_epilogue): Adjust Thumb2 codepath to
1702         be also invoked and work for ARM non-apcs frames.
1703         (arm_expand_prologue): Don't bother saving IP
1704         for non-apcs frame, since it's not clobbered by
1705         prologue code.  Implement non-apcs frame
1706         layout.
1707
1708 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1709
1710         PR rtl-optimization/35281
1711         * expr.c (convert_move): Use a new pseudo for the intermediate
1712         from_mode->word_mode result.
1713
1714 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1715
1716         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1717         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1718         * toplev.c (compile_file): Don't call it.
1719
1720 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1721
1722         PR middle-end/35526
1723         * expr.c (store_expr): Call emit_block_move if the mode
1724         of "temp" RTX is BLKmode.
1725
1726 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1727             Richard Guenther  <rguenther@suse.de>
1728
1729         PR tree-optimization/31358
1730         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1731         the step with a NULL_TREE.
1732         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1733         to sizetype if type is a pointer type.
1734         (add_candidate_1): Don't convert the base and step to
1735         the generic type if the orginal type is a pointer type.
1736         (add_iv_value_candidates): Use sizetype for the step
1737         if type is a pointer type.
1738         (cand_value_at): Likewise.
1739         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1740         for pointer types.
1741         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1742         Don't convert the tem affine to the type.
1743         (add_elt_to_tree): Use sizetype for the step if a pointer.
1744         Use POINTER_PLUS_EXPR for pointers.
1745         (aff_combination_to_tree): Use sizetype for the step if a
1746         pointer.
1747
1748 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1749
1750         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1751         Remove commutativity hint.
1752
1753 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1754
1755         PR c/35438
1756         PR c/35439
1757         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1758         errorneous type.  Check that v is a VAR_DECL.
1759
1760         PR middle-end/35099
1761         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1762
1763 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1764
1765         PR tree-optimization/35494
1766         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1767         may be overriden at link and run time.
1768
1769 2008-03-10  Richard Guenther  <rguenther@suse.de>
1770
1771         PR tree-optimization/34677
1772         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1773         (poolify_tree): Likewise.
1774         (modify_expr_template): Likewise.
1775         (poolify_modify_stmt): Likewise.
1776         (insert_fake_stores): Handle all component-ref style stores
1777         in addition to INDIRECT_REF.  Also handle complex types.
1778         Do not poolify the inserted load.
1779         (realify_fake_stores): Do not rebuild the tree but only
1780         make it a SSA_NAME copy.
1781         (init_pre): Remove initialzation of modify_expr_template.
1782         Do not allocate modify_expr_node_pool.
1783         (fini_pre): Do not free modify_expr_node_pool.
1784
1785 2008-03-10  Paul Brook  <paul@codesourcery.com>
1786
1787         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1788         to avoid conflicts.
1789
1790 2008-03-10  Paul Brook  <paul@codesourcery.com>
1791             Mark Shinwell  <shinwell@codesourcery.com>
1792
1793         * config/arm/cortex-r4.md: New.
1794         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1795         insn attributes.
1796         * config/arm/arm.md: Include cortex-r4.md.
1797         (insn): Add smmls, sdiv and udiv values.
1798         (generic_sched): Don't use generic scheduling for Cortex-R4.
1799         (arm_issue_rate): New function.
1800         (TARGET_SCHED_ISSUE_RATE): Define.
1801
1802 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1803
1804         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1805
1806 2008-03-10  Richard Guenther  <rguenther@suse.de>
1807
1808         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1809         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1810
1811 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1812
1813         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1814         Set default to true.
1815
1816 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1817
1818         * c.opt (Wsynth): Deprecate.
1819         * doc/invoke.texi (Option Summary, Warning Options): Document
1820         -Wno-format-contains-nul.
1821
1822 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1823
1824         PR target/35496
1825         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1826         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1827
1828 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1829
1830         * config/rs6000/rs6000.c (builtin_description): Rename vector
1831         left shift operations.
1832         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1833         (altivec_vsl<VI_char>): Rename to ...
1834         (ashl<mode>3): ... new name.
1835         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1836         gen_ashlv4si3.
1837         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1838
1839 2008-03-08  Richard Guenther  <rguenther@suse.de>
1840
1841         * coverage.h (tree_coverage_counter_addr): Declare.
1842         * coverage.c (tree_coverage_counter_addr): New function.
1843         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1844         before using again.
1845         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1846         (tree_gen_one_value_profiler): Likewise.
1847         (tree_gen_ic_profiler): Likewise.
1848         (tree_gen_average_profiler): Likewise.
1849         (tree_gen_ior_profiler): Likewise.
1850
1851 2008-03-08  Richard Guenther  <rguenther@suse.de>
1852
1853         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1854         (vn_binary_op_insert): Likewise.
1855         (vn_unary_op_lookup): Likewise.
1856         (vn_unary_op_insert): Likewise.
1857         (vn_nary_op_lookup): Declare.
1858         (vn_nary_op_insert): Likewise.
1859         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1860         and binary hashes, use a single obstack for unary_op_pool
1861         and binary_op_pool.
1862         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1863         a single struct vn_nary_op_s.  Store tree code length and
1864         a variable number of operands.
1865         (struct vn_reference_op_struct): Remove unused op2.
1866         (vn_reference_op_eq): Do not compare op2.
1867         (vn_reference_op_compute_hash): Do not compute hash of op2.
1868         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1869         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1870         with vn_nary_op_compute_hash.
1871         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1872         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1873         vn_nary_op_lookup.
1874         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1875         vn_nary_op_insert.
1876         (visit_unary_op): Call nary functions.
1877         (visit_binary_op): Likewise.
1878         (process_scc): Adjust for struct vn_tables_s changes.
1879         (allocate_vn_table): Likewise.
1880         (free_vn_table): Likewise.
1881         * tree-vn.c (vn_add): Call nary functions.
1882         (vn_lookup): Likewise.
1883
1884 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1885
1886         PR target/35498
1887         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1888         wdst back after sync_compare_and_swapqhi_internal.
1889
1890 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1891
1892         PR target/22152
1893         * config/i386/i386-modes.def (V1DI): New vector mode.
1894         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1895         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1896         (MMXMODE248): Ditto.
1897         (MMXMODE): Add V1DI mode.
1898         (mmxvecsize): Change DI mode to V1DI mode.
1899         ("mov<mode>): Use MMXMODEI8 mode iterator.
1900         ("*mov<mode>_internal_rex64"): Ditto.
1901         ("*mov<mode>_internal"): Ditto.
1902         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1903         ("mmx_sub<mode>3"): Ditto.
1904         ("mmx_adddi3"): Remove insn pattern.
1905         ("mmx_subdi3"): Ditto.
1906         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1907         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1908         ("mmx_ashl<mode>3"): Ditto.
1909         ("mmx_lshrdi3"): Remove insn pattern.
1910         ("mmx_ashldi3"): Ditto.
1911         * config/i386/i386.c (classify_argument): Handle V1DImode.
1912         (function_arg_advance_32): Ditto.
1913         (function_arg_32): Ditto.
1914         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1915         mmx_addv1di3 insn pattern.
1916         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1917         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1918         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1919         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1920         Remove definitions of built-in functions.
1921         (V1DI_type_node): New node.
1922         (v1di_ftype_v1di_int): Ditto.
1923         (v1di_ftype_v1di_v1di): Ditto.
1924         (v2si_ftype_v2si_si): Ditto.
1925         (v4hi_ftype_v4hi_di): Remove node.
1926         (v2si_ftype_v2si_di): Ditto.
1927         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1928         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1929         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1930         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1931         Add new builtins using def_builtin_const.
1932         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1933         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1934         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1935         * config/i386/mmintrin.h (__v1di): New typedef.
1936         (_mm_add_si64): Cast arguments to __v1di type.
1937         (_mm_sub_si64): Ditto.
1938         (_mm_sll_pi16): Cast __count to __v4hi type.
1939         (_mm_sll_pi32): Cast __count to __v2si type.
1940         (_mm_sll_si64): Cast arguments to __v1di type.
1941         (_mm_srl_pi16): Cast __count to __v4hi type.
1942         (_mm_srl_pi32): Cast __count to __v2si type.
1943         (_mm_srl_si64): Cast arguments to __v1di type.
1944         (_mm_sra_pi16): Cast __count to __v4hi type.
1945         (_mm_sra_pi32): Cast __count to __v2si type.
1946         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1947         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1948         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1949         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1950         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1951         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1952         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1953         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1954         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1955         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1956         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1957         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1958
1959 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1960
1961         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1962
1963 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1964
1965         PR target/35373
1966         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1967         reg+const addressing for Altivec modes.  Don't generate reg+reg
1968         addressing for TFmode or TDmode quantities.
1969
1970 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1971
1972         * c-common.c (vector_types_convertible_p): Call langhook
1973         instead of comptypes.
1974
1975 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1976
1977         PR tree-opt/35402
1978         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1979         integral and scalar float variables which have a
1980         NULL DECL_INITIAL.
1981
1982 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1983
1984         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1985         dwarf_register_span hook when emitting unwind information for
1986         register-to-memory saves.
1987         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1988         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1989
1990 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1991
1992         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1993         for the same VAR_DECL.
1994
1995 2008-03-06  Tom Tromey  <tromey@redhat.com>
1996
1997         * treelang: Delete.
1998         * doc/standards.texi (Standards): Don't mention treelang.
1999         * doc/invoke.texi (Overall Options): Don't mention treelang.
2000         * doc/install.texi (Prerequisites): Don't mention bison or
2001         treelang.
2002         (Configuration): Don't mention treelang.
2003         (Building): Likewise.
2004         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2005
2006 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2007
2008         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2009         word-extractions out of a multi-word object.
2010
2011 2008-03-06  Richard Guenther  <rguenther@suse.de>
2012
2013         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2014         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2015         result type and precision.
2016         * expr.c (get_inner_reference): Set unsignedp based on the result
2017         type of BIT_FIELD_REF.
2018         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2019         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2020         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2021         for BIT_FIELD_REF.
2022         (sra_build_assignment): Likewise.
2023         (sra_build_elt_assignment): Likewise.
2024         (sra_explode_bitfield_assignment): Likewise.
2025         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2026         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2027         set BIT_FIELD_REF_UNSIGNED.
2028         (vectorizable_load): Likewise.
2029
2030 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2031
2032         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2033         at bb start.
2034
2035 2008-03-06  Richard Guenther  <rguenther@suse.de>
2036
2037         * alias.c (struct alias_set_entry): Move has_zero_child field
2038         to pack with alias_set.
2039
2040 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2041
2042         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2043         32bit host.
2044
2045 2008-03-05  Ian Lance Taylor  <iant@google.com>
2046
2047         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2048
2049 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2050
2051         * fwprop.c (update_df): Support width and offset parameters of
2052         df_ref_create.
2053         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2054         global_conflicts): Change DF_REF_EXTRACT to either
2055         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2056         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2057         * df-scan.c (df_ref_record, df_defs_record,
2058         df_ref_create_structure, df_def_record_1, df_uses_record,
2059         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2060         df_bb_refs_collect, df_entry_block_defs_collect,
2061         df_exit_block_uses_collect): Support new width and offset fields.
2062         (ref_extract_pool): New storage pool.
2063         (df_free_ref): New function.
2064         (df_reg_chain_unlink, df_free_collection_rec,
2065         df_sort_and_compress_refs): Call df_free_ref.
2066         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2067         of df_ref_extract.
2068         (df_ref_create_structure): Allocate df_ref_extract if offset and
2069         width fields are used.
2070         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2071         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2072         and SIGN_EXTRACT.
2073         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2074         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2075         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2076         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2077         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2078         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2079         (df_ref_extract): New structure.
2080         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2081         (df_ref_create): Add width and offset parameters.
2082         
2083 2008-03-05  Richard Guenther  <rguenther@suse.de>
2084
2085         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2086         Use ranges_overlap_p.
2087         (offset_overlaps_with_access): Rename
2088         to ranges_overlap_p and move ...
2089         * tree-flow-inline.h (ranges_overlap_p): ... here.
2090
2091         * tree.h (get_inner_reference, handled_component_p): Update
2092         comments.
2093
2094         * tree.h (record_component_aliases, get_alias_set,
2095         alias_sets_conflict_p, alias_sets_must_conflict_p,
2096         objects_must_conflict_p): Move declarations ...
2097         * alias.h (record_component_aliases, get_alias_set,
2098         alias_sets_conflict_p, alias_sets_must_conflict_p,
2099         objects_must_conflict_p): ... here.
2100         Include coretypes.h.
2101         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2102
2103 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2104
2105         * cfg.c: Include tree-flow.h.
2106         (remove_edge_raw): Call redirect_edge_var_map_clear.
2107         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2108         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2109         (redirect_edge_var_map_result): New.
2110         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2111         PENDING_STMT use with redirect_edge_var_map_*.
2112         * tree-ssa.c (edge_var_maps): New definition.
2113         (redirect_edge_var_map_add): New.
2114         (redirect_edge_var_map_clear): New.
2115         (redirect_edge_var_map_dup): New.
2116         (redirect_edge_var_map_vector): New.
2117         (redirect_edge_var_map_destroy): New.
2118         (ssa_redirect_edge): Replace PENDING_STMT use with
2119         redirect_edge_var_map_*.
2120         (flush_pending_stmts): Same.
2121         (delete_tree_ssa): Destroy edge var map.
2122         * tree-flow.h (struct _edge_var_map): New.
2123         Define edge_var_map vector type.
2124         Declare redirect_edge_var_map_* prototypes.
2125         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2126         * tree-cfg.c (reinstall_phi_args): Replace
2127         PENDING_STMT use with redirect_edge_var_map_*.
2128
2129 2008-03-05  Richard Guenther  <rguenther@suse.de>
2130
2131         PR tree-optimization/35472
2132         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2133         whose single use_stmt has a overlapping set of loaded and
2134         stored symbols as that use_stmt might be a noop assignment then.
2135
2136 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2137
2138         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2139
2140 2008-03-05  Richard Guenther  <rguenther@suse.de>
2141
2142         PR c++/35336
2143         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2144         should be constants.
2145         * tree-cfg.c (verify_expr): Verify it.
2146         * fold-const.c (fold_truthop): Remove code generating
2147         BIT_FIELD_REFs of structure bases.
2148         (fold_binary): Likewise.
2149         (fold_ternary): Position and size of BIT_FIELD_REFs are
2150         always host integers.
2151         (make_bit_field_ref): Remove.
2152         (optimize_bit_field_compare): Remove.
2153         (all_ones_mask_p): Remove.
2154
2155 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2156
2157         PR gcc/33009
2158         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2159         (split_block_and_df_analyze): New. Split basic block and rebuild
2160         dataflow.
2161         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2162         SPLIT_BLOCK.
2163         (split_pattern_seq): Likewise.
2164         (erase_matching_seqs): Likewise.
2165         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2166
2167 2008-03-04  Geoff Keating  <geoffk@apple.com>
2168
2169         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2170         declaration and code.
2171         (tree_invalid_nonnegative_warnv_p): Likewise.
2172
2173 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2174
2175         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2176         examples.  Truncate option-names then causing overfull hbox.
2177
2178 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2179
2180         PR target/35222
2181         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2182         on hpux10.
2183         * configure: Rebuilt.
2184
2185 2008-03-04  Rafael Espindola  <espindola@google.com>
2186
2187         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2188         (tree_unary_nonnegative_warnv_p): New.
2189         (tree_binary_nonnegative_warnv_p): New.
2190         (tree_single_nonnegative_warnv_p): New.
2191         (tree_invalid_nonnegative_warnv_p): New.
2192         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2193
2194 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2195
2196         PR 28322
2197         * opts.c (handle_option): Postpone 'unknown option' errors only for
2198         warning options.
2199
2200 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2201
2202         PR target/35453
2203         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2204         (_SIDD_XXX): This.
2205
2206 2008-03-04  Rafael Espindola  <espindola@google.com>
2207
2208         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2209         (tree_binary_nonzero_warnv_p): New.
2210         (tree_single_nonzero_warnv_p): New.
2211         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2212
2213 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2214
2215         PR middle-end/35456
2216         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2217         transformations for modes that have signed zeros.
2218         * ifcvt.c (noce_try_abs): Ditto.
2219
2220 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2221
2222         * config/i386/i386.c (override_options): Force
2223         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2224
2225 2008-03-04  Jan Hubicka  <jh@suse.cz>
2226
2227         PR c++/35262
2228         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2229         in last commit.
2230
2231 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2232
2233         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2234         label to probe the stack.
2235
2236 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2237
2238         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2239         (__gthr_win32_mutex_destroy): Declare.
2240         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2241         __gthr_win32_mutex_destroy.
2242         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2243
2244 2008-03-03  Jan Hubicka  <jh@suse.cz>
2245
2246         PR c++/35262
2247         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2248         aggressive on inlining cold calls.
2249
2250 2008-03-03  Richard Guenther  <rguenther@suse.de>
2251
2252         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2253         struct copies into the expression table.
2254         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2255         (try_to_simplify): Likewise.
2256         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2257         integral and pointer arguments which do not change the
2258         precision to NOP_EXPRs.
2259         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2260         VIEW_CONVERT_EXPR case.
2261
2262 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2263
2264         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2265         defined in a loop at depth 0 is invariant.
2266         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2267         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2268         be called at loop depth 0.
2269
2270 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2271
2272         PR driver/35420
2273         * gcc.c (process_command): Update copyright notice dates.
2274         * gcov.c (print_version): Likewise.
2275         * gcov-dump.c (print_version): Likewise.
2276         * mips-tfile.c (main): Likewise.
2277         * mips-tdump.c (main): Likewise.
2278
2279 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2280
2281         PR 24924
2282         * c-common.c (flag_permissive): Delete.
2283         (constant_expression_warnings): Check flags first.
2284         (constant_expression_error): New.
2285         * c-common.h (flag_permissive): Delete.
2286         (constant_expression_error): Declare.
2287         * flags.h (flag_permissive): Declare. Update description.
2288         * diagnostic.c (pedwarn): Update.
2289         (permerror): New.
2290         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2291         (permissive_error_kind): New.
2292         * toplev.c (flag_permissive): Define. Update description.
2293         * toplev.h (permissive_error_kind): Declare.
2294         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2295         (pedwarn_c90): Use pedantic_warning_kind.
2296         * c-opts.c (c_common_post_options): flag_permissive does not affect
2297         flag_pedantic_errors.
2298
2299 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2300
2301         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2302         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2303         __absvsi2, __absvDI2): Use unsigned arithmetic.
2304
2305 2008-03-02  Andi Kleen  <ak@suse.de>
2306             Richard Guenther  <rguenther@suse.de>
2307
2308         * struct-equiv.c: Remove file.
2309         * cfg_cleanup.c (condjump_equiv_p): Remove.
2310         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2311         (struct-equiv.o): Remove rule.
2312         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2313         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2314         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2315
2316 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2317
2318         * ifcvt.c (noce_process_if_block): Try to handle only the then
2319         block if the else block exists but isn't suitable.
2320
2321 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2322
2323         PR gcc/35063
2324         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2325         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2326         regression from previous patch.
2327
2328 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2329
2330         PR gcc/35063
2331         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2332         implemented.
2333         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2334         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2335         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2336         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2337         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2338         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2339         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2340         (__gthread_mutex_destroy_function): Rename to
2341         __gthread_mutex_destroy.
2342         * gthr-dce.h (__gthread_mutex_destroy): Call
2343         pthread_mutex_destroy.
2344         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2345         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2346         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2347
2348 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2349
2350         * df-scan.c (df_ref_chain_change_bb): Simplify.
2351         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2352         set_block_for_insn if there's any change.
2353         * df.h ((df_insn_change_bb): Fix prototype.
2354         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2355         df_insn_change_bb, don't call set_block_for_insn.
2356         * emit-rtl.c (reorder_insns): Likewise.
2357         * haifa-sched.c (move_insn): Likewise.
2358
2359 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2360
2361         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2362
2363 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2364
2365         * tree-flow-inline.h (next_readonly_imm_use): Return
2366         NULL_USE_OPERAND_P after the end.
2367
2368 2008-03-01  Richard Guenther  <rguenther@suse.de>
2369
2370         PR tree-optimization/35411
2371         * tree-sra.c (sra_build_assignment): Split conversion to
2372         final type to a separate statement if we are not assigning
2373         to a register.
2374
2375 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2376
2377         * fold-const.c (fold_convertible_p): Correct the logic to follow
2378         that in fold_convert().
2379
2380 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2381
2382         PR c++/35315
2383         * tree-inline.c (build_duplicate_type): When we make a
2384         duplicate type, make it unique in the canonical types system.
2385
2386 2008-02-29  Tom Tromey  <tromey@redhat.com>
2387
2388         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2389         input_file_stack_history, input_file_stack_restored): Remove.
2390         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2391         * input.h (struct file_stack): Remove.
2392         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2393         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2394         Likewise.
2395         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2396         type.
2397         (diagnostic_last_module_changed): Add 'map' argument.
2398         (diagnostic_set_last_function): Likewise.
2399         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2400         line map, not input_file_stack.
2401         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2402
2403 2008-02-29  Paul Brook  <paul@codesourcery.com>
2404
2405         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2406
2407 2008-02-29  Paul Brook  <paul@codesourcery.com>
2408
2409         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2410
2411 2008-02-29  Richard Guenther  <rguenther@suse.de>
2412
2413         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2414         vn_lookup_or_add.
2415         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2416         value for comparing for a store match.
2417         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2418         (try_to_simplify): Do not do a full-blown reference lookup.
2419
2420 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2421
2422         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2423         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2424
2425         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2426
2427 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2428
2429         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2430         strides against cache sizes.
2431
2432 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2433
2434         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2435         constant to fpul.
2436
2437 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2438
2439         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2440         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2441         is smaller than the original promoted value.
2442         (simplify_subreg): If OP is a SUBREG, try to preserve its
2443         SUBREG_PROMOTED_VAR_P information.
2444
2445 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2446
2447         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2448         (VN_INFO_GET): Allocate new objects on the obstack.
2449         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2450         for rpo_numbers_temp, for consistency.
2451         (free_scc_vn): Free the obstack.
2452
2453 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2454
2455         * doc/invoke.texi: Document -ftree-loop-distribution.
2456         * tree-loop-distribution.c: New.
2457         * tree-pass.h (pass_loop_distribution): New.
2458         * graphds.h (struct graph): Add htab_t indices.
2459         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2460         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2461         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2462         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2463         * tree-data-ref.c (debug_data_dependence_relations): New.
2464         (dump_data_dependence_relation): Also print data references.
2465         (free_data_ref): Extern.
2466         (same_access_functions): Moved...
2467         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2468         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2469         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2470         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2471         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2472         (stmts_from_loop): Skip LABEL_EXPR.
2473         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2474         New.
2475         (build_rdg): Initialize rdg->indices htab.
2476         (free_rdg, stores_from_loop, ref_base_address,
2477         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2478         have_similar_memory_accesses_1, ref_base_address_1,
2479         remove_similar_memory_refs): New.
2480         * tree-data-ref.h: Depend on tree-chrec.h.
2481         (debug_data_dependence_relations, free_data_ref): Declared.
2482         (same_access_functions): ... here.
2483         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2484         New.
2485         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2486         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2487         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2488         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2489         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2490         rdg_vertex_for_stmt): Declared.
2491         (struct rdg_edge): Add level.
2492         (RDGE_LEVEL): New.
2493         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2494         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2495         Declared.
2496         (rdg_has_similar_memory_accesses): New.
2497         * tree-vect-analyze.c: Remove unused static decls.
2498         * lambda.h (dependence_level): New.
2499         * common.opt (ftree-loop-distribution): New.
2500         * tree-flow.h (mark_virtual_ops_in_bb, 
2501         slpeel_tree_duplicate_loop_to_edge_cfg,
2502         rename_variables_in_loop): Declared.
2503         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2504         (OBJS-common): Add tree-loop-distribution.o.
2505         (tree-loop-distribution.o): New rule.
2506         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2507         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2508         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2509
2510 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2511
2512         PR target/33963
2513         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2514         other than structures and unions.
2515
2516 2008-02-28  Richard Guenther  <rguenther@suse.de>
2517
2518         Revert:
2519         2008-02-26  Richard Guenther  <rguenther@suse.de>
2520
2521         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2522         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2523         (lookup_decl_from_uid): Declare.
2524         (remove_decl_from_map): Likewise.
2525         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2526         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2527         (decl_for_uid_map): New global hashtable mapping DECL_UID
2528         to the decl tree.
2529         (init_ttree): Allocate it.
2530         (insert_decl_to_uid_decl_map): New helper function.
2531         (make_node_stat): Insert new decls into the map.
2532         (copy_node_stat): Likewise.
2533         (lookup_decl_from_uid): New function.
2534         (remove_decl_from_map): Likewise.
2535         (print_decl_for_uid_map_statistics): New helper.
2536         (dump_tree_statistics): Call it.
2537
2538         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2539         (referenced_var_iterator): Adjust.
2540         (FOR_EACH_REFERENCED_VAR): Adjust.
2541         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2542         (num_referenced_vars): Adjust.
2543         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2544         (first_referenced_var): Remove.
2545         (end_referenced_vars_p): Likewise.
2546         (next_referenced_var): Likewise.
2547         (referenced_var_iterator_set): New helper function.
2548         * tree-dfa.c (referenced_var_lookup): Adjust.
2549         (referenced_var_check_and_insert): Likewise.
2550         (remove_referenced_var): Likewise.
2551         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2552         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2553         (verify_call_clobbering): Likewise.
2554         (verify_memory_partitions): Likewise.
2555         (init_tree_ssa): Allocate bitmap instead of hashtable for
2556         referenced_vars.
2557         (delete_tree_ssa): Adjust.
2558         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2559         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2560         (compute_tag_properties): Likewise.
2561         (set_initial_properties): Likewise.
2562         (find_partition_for): Likewise.
2563         (update_reference_counts): Likewise.
2564         (dump_may_aliases_for): Likewise.
2565         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2566         (add_call_clobber_ops): Likewise.
2567         (add_call_read_ops): Likewise.
2568         (get_asm_expr_operands): Likewise.
2569         * tree-into-ssa.c (dump_decl_set): Likewise.
2570         (update_ssa): Likewise.
2571         * tree-sra.c (scan_function): Likewise.
2572         (decide_instantiations): Likewise.
2573         (scalarize_parms): Likewise.
2574         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2575         (dsa_named_for): Likewise.
2576         * tree-ssa-structalias.c (update_alias_info): Likewise.
2577         (merge_smts_into): Likewise.
2578
2579 2008-02-27  David Daney  <ddaney@avtrex.com>
2580
2581         PR target/34409
2582         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2583         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2584         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2585         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2586         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2587
2588 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2589
2590         PR target/25477
2591         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2592         (BUILT_IN_NEXTTOWARD): Remove.
2593         (BUILT_IN_NEXTTOWARDF): Ditto.
2594         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2595         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2596
2597 2008-02-27  Tom Tromey  <tromey@redhat.com>
2598
2599         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2600         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2601
2602 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2603
2604         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2605         update the respective field on newdecl.
2606
2607 2008-02-27  Revital Eres  <eres@il.ibm.com>
2608
2609         PR rtl-optimization/34999
2610         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2611         crossing edges that ends with a call insn.
2612         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2613         call insn and clear the EDGE_CROSSING flag of the crossing edge
2614         when fixing fallthru edges.
2615
2616 2008-02-27  Richard Guenther  <rguenther@suse.de>
2617
2618         PR middle-end/35390
2619         * fold-const.c (fold_unary): Return the correct argument,
2620         converted to the result type.
2621
2622 2008-02-27  Richard Guenther  <rguenther@suse.de>
2623
2624         PR middle-end/34971
2625         * expr.c (expand_expr_real_1): Assert on rotates that operate
2626         on partial modes.
2627         * fold-const.c (fold_binary): Use the types precision, not the
2628         bitsize of the mode if folding rotate expressions.  Build rotates
2629         only for full modes.
2630
2631 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2632
2633         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2634         and CPP_PRAGMA_EOL.
2635         * c-pragma.c (pragma_ns_name): New typedef.
2636         (registered_pp_pragmas): New variable.
2637         (c_pp_lookup_pragma): New function.
2638         (c_register_pragma_1): If flag_preprocess_only, do nothing
2639         for non-expanded pragmas, for expanded ones push pragma's
2640         namespace and name into registered_pp_pragmas vector.
2641         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2642         flag_preprocess_only, don't register GCC pch_preprocess
2643         pragma if flag_preprocess_only.
2644         * c-opts.c (c_common_init): Call init_pragma even if
2645         flag_preprocess_only.
2646         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2647         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2648         cpp_register_pragma if flag_preprocess_only.
2649
2650 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2651
2652         PR c/28800
2653         * c-parser.c (c_parser_translation_unit): Warn for empty
2654         translation unit, not empty source file.
2655
2656 2008-02-26  Paul Brook  <paul@codesourcery.com>
2657
2658         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2659         operand for Thumb-2.
2660         * config/arm/arm.h (reg_class): Add CORE_REGS.
2661         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2662         (BASE_REG_CLASS): Use CORE_REGS.
2663         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2664         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2665         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2666         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2667         ARM_REGNO_OK_FOR_INDEX_P.
2668         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2669         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2670         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2671         (ldm/stm peepholes): Ditto.
2672         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2673         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2674         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2675         * config/arm/constraints.md: Enable "k" constraint on ARM.
2676
2677 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2678
2679         * config/rs6000/rs6000.c: Annotate cache line size field in all
2680         instances of struct processor_costs.
2681
2682 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2683
2684         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2685         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2686         jump_bypass): New counters.
2687         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2688         * dce.c (gate_ud_dce): Same.
2689         (gate_fast_dce): Same.
2690         * dse.c (gate_dse1): New function.
2691         (gate_dse2): New function.
2692         (gate_dse): Merge results of new gate functions.
2693         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2694         (gate_handle_jump_bypass): Add dbg_cnt.
2695         (gate_handle_gcse): Add dbg_cnt.
2696         * ifcvt.c (gate_handle_if_conversion): Same.
2697         (gate_handle_if_after_combine): Same.
2698         (gate_handle_if_after_reload): Same.
2699         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2700
2701 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2702
2703         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2704         line sizes.
2705         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2706
2707 2008-02-26  Jason Merrill  <jason@redhat.com>
2708
2709         PR c++/35315
2710         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2711         alone if it's the naming decl for the type's main variant.
2712
2713 2008-02-26  Tom Tromey  <tromey@redhat.com>
2714
2715         * system.h (USE_MAPPED_LOCATION): Poison.
2716         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2717         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2718         (make_goto_expr_edges): Likewise.
2719         (remove_bb): Likewise.
2720         (execute_warn_function_return): Likewise.
2721         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2722         location_t.
2723         * c-common.c (fname_decl): Remove old location code.
2724         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2725         location code.
2726         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2727         variant.
2728         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2729         (gen_rtx_ASM_INPUT): Likewise.
2730         (gen_rtx_ASM_INPUT_loc): Likewise.
2731         (get_rtx_asm_OPERANDS): Remove.
2732         * cfglayout.c (insn_locators_alloc): Remove old location code.
2733         (set_curr_insn_source_location): Likewise.
2734         (curr_insn_locator): Likewise.
2735         * print-tree.c (print_node): Remove old location code.
2736         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2737         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2738         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2739         location_from_locus.
2740         (construct_exit_block): Remove old location code.
2741         * emit-rtl.c (force_next_line_note): Remove old location code.
2742         * profile.c (branch_prob): Remove old location code.
2743         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2744         LOC_LINE): Remove old-location variants.
2745         * langhooks.c (lhd_print_error_function): Remove old location
2746         code.
2747         * configure, config.in: Rebuilt.
2748         * configure.ac (--enable-mapped-location): Remove.
2749         * c-decl.c (c_init_decl_processing): Remove old location code.
2750         (finish_function): Likewise.
2751         * recog.c (decode_asm_operands): Remove old location code.
2752         * c-pch.c (c_common_read_pch): Remove old location code.
2753         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2754         variants.
2755         * gimple-low.c (lower_function_body): Remove old location code.
2756         * toplev.c (unknown_location): Remove.
2757         (push_srcloc): Remove old-location variant.
2758         (process_options): Remove old location code.
2759         (lang_dependent_init): Likewise.
2760         * input.h (UNKNOWN_LOCATION): Move definition.
2761         (location_t): Undeprecate.
2762         (source_locus): Remove.
2763         (location_from_locus): Remove.
2764         (struct location_s): Remove.
2765         Remove all old-location code.
2766         (input_line, input_filename): Remove.
2767         * final.c (final_scan_insn): Remove old location code.
2768         * diagnostic.c (diagnostic_build_prefix): Remove
2769         USE_MAPPED_LOCATION test.
2770         * tree.h (gimple_stmt) <locus>: Now a location_t.
2771         (tree_exp) <locus>: Likewise.
2772         (DECL_IS_BUILTIN): Remove old-location variant.
2773         (annotate_with_file_line, annotate_with_locus): Likewise.
2774         (expr_locus, set_expr_locus): Update.
2775         * tree.c (build1_stat): Remove old location code.
2776         (last_annotated_node): Remove.
2777         (annotate_with_file_line): Remove old-location variant.
2778         (annotate_with_locus): Likewise.
2779         (expr_location): Remove old location code.
2780         (set_expr_location): Likewise.
2781         (expr_has_location): Likewise.
2782         (expr_locus): Likewise.
2783         (set_expr_locus): Likewise.
2784         (expr_filename): Don't use location_from_locus.
2785         (expr_lineno): Likewise.
2786         * rtl-error.c (location_for_asm): Remove old location code.
2787         * c-lex.c (cb_line_change): Remove old location code.
2788         (fe_file_change): Likewise.
2789         (cb_def_pragma): Likewise.
2790         (c_lex_with_flags): Likewise.
2791         * gengtype.c (do_typedef): Don't special-case location types.
2792         (define_location_structures): Remove.
2793         (main): Don't call define_location_structures.
2794         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2795         code.
2796
2797 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2798
2799         PR 26264
2800         * builtins.def (BUILT_IN_STDARG_START): Remove.
2801         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2802         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2803         * tree-inline.c (inline_forbidden_p_1): Likewise.
2804         
2805 2008-02-26  Richard Guenther  <rguenther@suse.de>
2806
2807         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2808         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2809         (lookup_decl_from_uid): Declare.
2810         (remove_decl_from_map): Likewise.
2811         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2812         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2813         (decl_for_uid_map): New global hashtable mapping DECL_UID
2814         to the decl tree.
2815         (init_ttree): Allocate it.
2816         (insert_decl_to_uid_decl_map): New helper function.
2817         (make_node_stat): Insert new decls into the map.
2818         (copy_node_stat): Likewise.
2819         (lookup_decl_from_uid): New function.
2820         (remove_decl_from_map): Likewise.
2821         (print_decl_for_uid_map_statistics): New helper.
2822         (dump_tree_statistics): Call it.
2823
2824         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2825         (referenced_var_iterator): Adjust.
2826         (FOR_EACH_REFERENCED_VAR): Adjust.
2827         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2828         (num_referenced_vars): Adjust.
2829         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2830         (first_referenced_var): Remove.
2831         (end_referenced_vars_p): Likewise.
2832         (next_referenced_var): Likewise.
2833         (referenced_var_iterator_set): New helper function.
2834         * tree-dfa.c (referenced_var_lookup): Adjust.
2835         (referenced_var_check_and_insert): Likewise.
2836         (remove_referenced_var): Likewise.
2837         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2838         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2839         (verify_call_clobbering): Likewise.
2840         (verify_memory_partitions): Likewise.
2841         (init_tree_ssa): Allocate bitmap instead of hashtable for
2842         referenced_vars.
2843         (delete_tree_ssa): Adjust.
2844         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2845         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2846         (compute_tag_properties): Likewise.
2847         (set_initial_properties): Likewise.
2848         (find_partition_for): Likewise.
2849         (update_reference_counts): Likewise.
2850         (dump_may_aliases_for): Likewise.
2851         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2852         (add_call_clobber_ops): Likewise.
2853         (add_call_read_ops): Likewise.
2854         (get_asm_expr_operands): Likewise.
2855         * tree-into-ssa.c (dump_decl_set): Likewise.
2856         (update_ssa): Likewise.
2857         * tree-sra.c (scan_function): Likewise.
2858         (decide_instantiations): Likewise.
2859         (scalarize_parms): Likewise.
2860         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2861         (dsa_named_for): Likewise.
2862         * tree-ssa-structalias.c (update_alias_info): Likewise.
2863         (merge_smts_into): Likewise.
2864
2865 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2866
2867         PR 34351
2868         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2869         * c-opts.c (c_common_handle_option): Wall enables
2870         Wvolatile-register-var.
2871         * common.opt: Move Wvolatile-register-var to...
2872         * c.opt: ...here.
2873         
2874 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2875
2876         * common.opt (Wlarger-than=): New.
2877         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2878         -Wlarger-than=.
2879         * opts.c (common_handle_option): Handle -Wlarger-than=.
2880         * optc-gen.awk: Likewise.
2881         * opth-gen.awk: Likewise.
2882         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2883         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2884         
2885 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2886
2887         * c-common.c (match_case_to_enum_1): Add appropriate
2888         OPT_W* parameter to warning.
2889         (c_do_switch_warnings): Likewise.
2890         * c-typeck.c (warning_init): Add one more parameter following
2891         'warning' function.
2892         (push_init_level): Update call to warning_init.
2893         (pop_init_level): Likewise.
2894         (add_pending_init): Likewise.
2895         (output_init_element: Likewise.
2896
2897 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2898
2899         PR 28322
2900         * toplev.c (toplev_main): If there are warnings or error, print
2901         errors for ignored options.
2902         * opts.c (ignored_options): New static variable.
2903         (postpone_unknown_option_error): New.
2904         (print_ignored_options): New.
2905         (handle_option): Postpone errors for unknown -Wno-* options.
2906         * opts.h (print_ignored_options): Declare.
2907         
2908 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2909
2910         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2911         to "ghost".
2912
2913 2008-02-25  Richard Guenther  <rguenther@suse.de>
2914
2915         Revert:
2916         2008-02-25  Richard Guenther  <rguenther@suse.de>
2917
2918         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2919         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2920         (lookup_decl_from_uid): Declare.
2921         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2922         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2923         (decl_for_uid_map): New global hashtable mapping DECL_UID
2924         to the decl tree.
2925         (init_ttree): Allocate it.
2926         (insert_decl_to_uid_decl_map): New helper function.
2927         (make_node_stat): Insert new decls into the map.
2928         (copy_node_stat): Likewise.
2929         (lookup_decl_from_uid): New function.
2930         (print_decl_for_uid_map_statistics): New helper.
2931         (dump_tree_statistics): Call it.
2932
2933         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2934         (referenced_var_iterator): Adjust.
2935         (FOR_EACH_REFERENCED_VAR): Adjust.
2936         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2937         (num_referenced_vars): Adjust.
2938         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2939         (first_referenced_var): Remove.
2940         (end_referenced_vars_p): Likewise.
2941         (next_referenced_var): Likewise.
2942         (referenced_var_iterator_set): New helper function.
2943         * tree-dfa.c (referenced_var_lookup): Adjust.
2944         (referenced_var_check_and_insert): Likewise.
2945         (remove_referenced_var): Likewise.
2946         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2947         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2948         (verify_call_clobbering): Likewise.
2949         (verify_memory_partitions): Likewise.
2950         (init_tree_ssa): Allocate bitmap instead of hashtable for
2951         referenced_vars.
2952         (delete_tree_ssa): Adjust.
2953         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2954         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2955         (compute_tag_properties): Likewise.
2956         (set_initial_properties): Likewise.
2957         (find_partition_for): Likewise.
2958         (update_reference_counts): Likewise.
2959         (dump_may_aliases_for): Likewise.
2960         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2961         (add_call_clobber_ops): Likewise.
2962         (add_call_read_ops): Likewise.
2963         (get_asm_expr_operands): Likewise.
2964         * tree-into-ssa.c (dump_decl_set): Likewise.
2965         (update_ssa): Likewise.
2966         * tree-sra.c (scan_function): Likewise.
2967         (decide_instantiations): Likewise.
2968         (scalarize_parms): Likewise.
2969         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2970         (dsa_named_for): Likewise.
2971         * tree-ssa-structalias.c (update_alias_info): Likewise.
2972         (merge_smts_into): Likewise.
2973
2974 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2975
2976         PR fortran/29549
2977         * doc/invoke.texi (-fcx-limited-range): Document new option.
2978         * toplev.c (process_options): Handle -fcx-fortran-rules.
2979         * common.opt: Add documentation for -fcx-fortran-rules.
2980
2981 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2982
2983         PR c/35162
2984         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2985         actual behaviour and C99.
2986         
2987 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2988
2989         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2990         (ASM_CPU_POWER6_SPEC): Likewise.
2991         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2992         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2993         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2994
2995 2008-02-25  Richard Guenther  <rguenther@suse.de>
2996
2997         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2998         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2999         (lookup_decl_from_uid): Declare.
3000         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3001         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3002         (decl_for_uid_map): New global hashtable mapping DECL_UID
3003         to the decl tree.
3004         (init_ttree): Allocate it.
3005         (insert_decl_to_uid_decl_map): New helper function.
3006         (make_node_stat): Insert new decls into the map.
3007         (copy_node_stat): Likewise.
3008         (lookup_decl_from_uid): New function.
3009         (print_decl_for_uid_map_statistics): New helper.
3010         (dump_tree_statistics): Call it.
3011
3012         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3013         (referenced_var_iterator): Adjust.
3014         (FOR_EACH_REFERENCED_VAR): Adjust.
3015         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3016         (num_referenced_vars): Adjust.
3017         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3018         (first_referenced_var): Remove.
3019         (end_referenced_vars_p): Likewise.
3020         (next_referenced_var): Likewise.
3021         (referenced_var_iterator_set): New helper function.
3022         * tree-dfa.c (referenced_var_lookup): Adjust.
3023         (referenced_var_check_and_insert): Likewise.
3024         (remove_referenced_var): Likewise.
3025         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3026         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3027         (verify_call_clobbering): Likewise.
3028         (verify_memory_partitions): Likewise.
3029         (init_tree_ssa): Allocate bitmap instead of hashtable for
3030         referenced_vars.
3031         (delete_tree_ssa): Adjust.
3032         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3033         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3034         (compute_tag_properties): Likewise.
3035         (set_initial_properties): Likewise.
3036         (find_partition_for): Likewise.
3037         (update_reference_counts): Likewise.
3038         (dump_may_aliases_for): Likewise.
3039         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3040         (add_call_clobber_ops): Likewise.
3041         (add_call_read_ops): Likewise.
3042         (get_asm_expr_operands): Likewise.
3043         * tree-into-ssa.c (dump_decl_set): Likewise.
3044         (update_ssa): Likewise.
3045         * tree-sra.c (scan_function): Likewise.
3046         (decide_instantiations): Likewise.
3047         (scalarize_parms): Likewise.
3048         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3049         (dsa_named_for): Likewise.
3050         * tree-ssa-structalias.c (update_alias_info): Likewise.
3051         (merge_smts_into): Likewise.
3052
3053 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3054
3055         PR target/35258
3056         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3057         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3058         * alias.h (nonoverlapping_memrefs_p): Likewise.
3059
3060 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3061
3062         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3063         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3064         __emultls_get_address, __emultls_register_common,
3065         __floatundi?f, and _Unwind_GetIPInfo.
3066         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3067         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3068         (gen_regparm_prefix): Likewise.
3069         (i386_nlm_encode_section_info): Sync with
3070         config/i386/winnt.c:i386_pe_encode_section_info().
3071         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3072         i386_nlm_mangle_decl_assembler_name): New.
3073         (netware_override_options): New.
3074         * config/i386/netware.h (netware_override_options): Declare.
3075         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3076         (i386_nlm_mangle_decl_assembler_name): Declare.
3077         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3078
3079 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3080
3081         PR other/32948
3082         * c-decl.c (grokdeclarator): Remove unused local variables
3083         `typedef_type' and `type_as_written'.
3084         * bb-reorder.c
3085         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3086         unused local variable `has_hot_blocks'.
3087         (fix_crossing_conditional_branches): Remove unused local variable
3088         `prev_bb'.
3089         
3090 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3091
3092         PR middle-end/19984
3093         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3094         using DEF_C99_BUILTIN.
3095         (BUILT_IN_NANF): Ditto.
3096         (BUILT_IN_NANL): Ditto.
3097
3098 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3099             Revital Eres  <eres@il.ibm.com>
3100
3101         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3102         regarding the order of two dependent insns in the same row.
3103
3104 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3105
3106         * stor-layout.c (layout_decl): Do not bump the alignment of a
3107         bit-field to more than byte alignment if it is packed.
3108
3109 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3110
3111         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3112         e300c2 and e300c3.
3113
3114 2008-02-24  Diego Novillo  <dnovillo@google.com>
3115
3116         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3117
3118         PR 33738
3119         * tree-vrp.c (vrp_evaluate_conditional): With
3120         -Wtype-limits, emit a warning when comparing against a
3121         constant outside the natural range of OP0's type.
3122         * c.opt (Wtype-limits): Move ...
3123         * common.opt (Wtype-limits): ... here.
3124
3125 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3126
3127         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3128         * config/rs6000/e300c2c3.md: New file.
3129         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3130         e300c2 and e300c3.
3131         (rs6000_override_options): Add e300c2 and e300c3 cases to
3132         processor_target_table. Do not allow usage of Altivec or Spe
3133         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3134         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3135         * config/rs6000/rs6000.h (processor_type): Add
3136         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3137         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3138         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3139         and ppce300c3. Include e300c2c3.md.
3140
3141 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3142
3143         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3144         instead of TARGET_STRICT_ALIGN.
3145
3146 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3147
3148         * explow.c (memory_address): Assert that the generated address is
3149         valid.
3150
3151 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3152
3153         PR target/25477
3154         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3155         * config/darwin-ppc-ldouble-patch.def: New file.
3156         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3157         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3158         SUBTARGET_INIT_BUILTINS if defined.
3159         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3160         New functions.
3161
3162 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3163
3164         PR rtl-opt/33512
3165         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3166         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3167
3168 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3169
3170         PR pch/35027
3171         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3172         file" warning condtional on -Winvalid-PCH.
3173
3174 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3175
3176         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3177
3178 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3179
3180         PR target/22076
3181         PR target/34256 
3182         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3183         prevent reload from using MMX registers.
3184         (*mov<mode>_internal): Ditto.
3185         (*movv2sf_internal_rex64): Ditto.
3186         (*movv2sf_internal): Ditto.
3187
3188 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3189
3190         PR documentation/31569
3191         * doc/install.texi2html: Use makeinfo --no-number-sections.
3192
3193 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3194
3195         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3196         ensure that we can address an entire entity > 8 bytes.  Don't
3197         generate reg+reg addressing for such data.
3198
3199 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3200
3201         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3202         strings when optimizing for size, unless the target cares about
3203         alignment.
3204
3205 2008-02-22  Tom Tromey  <tromey@redhat.com>
3206
3207         * regclass.c (current_pass): Remove declaration.
3208
3209 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3210
3211         * config/avr/libgcc.S (__RAMPZ__): Define.
3212         (__do_copy_data): Add for devices with 128KB code memory.
3213
3214 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3215
3216         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3217         Use spe_abi.
3218         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3219
3220 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3221
3222         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3223         GENNONACR_REGS.
3224
3225 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3226
3227         PR c/19999
3228         * c-typeck.c (build_binary_op): Warn about floating point
3229         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3230
3231 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3232
3233         PR target/34526
3234         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3235         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3236         add vrsave.
3237         (rs6000_override_options): Set altivec_abi as default, not override,
3238         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3239         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3240         is used; use new member spe_abi.
3241         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3242         spe_abi and altivec_abi.
3243
3244 2008-02-22  Tomas Bily  <tbily@suse.cz>
3245
3246         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3247
3248 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3249
3250         PR bootstrap/35273
3251         * config.build (build_file_translate): Set to `CMD //c' only if
3252         it works.
3253         * Makefile.in (build_file_translate): Improve comment.
3254
3255 2008-02-21  Jan Hubicka  <jh@suse.cz>
3256
3257         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3258         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3259         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3260
3261 2008-02-21  Michael Matz  <matz@suse.de>
3262
3263         PR target/35264
3264         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3265
3266 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3267
3268         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3269         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3270         as insn constraint.
3271         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3272         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3273         SSE_VEC_FLOAT_MODE_P as insn constraint.
3274         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3275         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3276         sse4a_movntdf using MODEF mode iterator.
3277         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3278         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3279         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3280         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3281         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3282         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3283         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3284
3285 2008-02-21  Richard Guenther  <rguenther@suse.de>
3286
3287         * tree.def (PAREN_EXPR): New tree code.
3288         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3289         and PAREN_EXPR.
3290         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3291         * expr.c (expand_expr_real_1): Likewise.
3292         * tree-inline.c (estimate_num_insns_1): Likewise.
3293         * tree-complex.c (expand_complex_move): Likewise.
3294         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3295         as plain x.
3296
3297 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3298
3299         PR target/35225
3300         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3301
3302 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3303
3304         PR target/35190
3305         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3306
3307         * config/sh/sh.c (find_barrier): Don't go past
3308         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3309
3310 2008-02-20  DJ Delorie  <dj@redhat.com>
3311
3312         * config/h8300/h8300.md (insv): Force source operand to be a register.
3313
3314         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3315         as a jump, not as a plain insn.
3316         
3317 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3318
3319         * doc/invoke.texi (Warning Options): Add new option
3320         -Wframe-larger-than=.
3321         (-Wframe-larger-than): Document.
3322
3323         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3324         Add declarations for new option variables.
3325
3326         * final.c (final_start_function): Check the frame size
3327         before emission and issue a Wframe-larger-than warning.
3328
3329         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3330         Add definitions for new option variables.
3331         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3332
3333         * common.opt (Wframe-larger-than=): New option.
3334
3335 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3336
3337         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3338         (<sse>_div<mode>3): Ditto.
3339         (<sse>_vmdiv<mode>3): Ditto.
3340         (<sse>_vmsqrt<mode>2): Ditto.
3341         (*smax<mode>3): Ditto.
3342         (sse5_frcz<mode>2): Ditto.
3343         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3344         as insn constraint.
3345
3346 2008-02-20  Richard Guenther  <rguenther@suse.de>
3347
3348         PR middle-end/35265
3349         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3350         be happy with INTEGRAL_TYPE_P.
3351
3352 2008-02-20  Richard Guenther  <rguenther@suse.de>
3353
3354         * fold-const.c (split_tree): Associate floatig-point expressions
3355         if flag_associative_math is set.
3356
3357 2008-02-20  Richard Guenther  <rguenther@suse.de>
3358
3359         * tree.h (fold_real_zero_addition_p): Declare.
3360         * fold-const.c (fold_real_zero_addition_p): Export.
3361         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3362         floating-point operations with zero and one.
3363
3364 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3365
3366         * doc/install.texi: Correct references to CFLAGS, replacing them
3367         with BOOT_CFLAGS.  Document flags used during bootstrap for
3368         target libraries.
3369                                 
3370 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3371
3372         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3373         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3374         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3375         insn constraint.
3376         (smin<mode>3): Ditto from similar patterns.
3377         (smax<mode>3): Ditto.
3378         (*ieee_smin<mode>3): Ditto.
3379         (*ieee_smax<mode>3): Ditto.
3380         * config/i386/sse.md (sse): New mode attribute.
3381         (mov<mode>): Macroize expander from movv4sf and movv2df using
3382         SSEMODEF2P mode iterator.
3383         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3384         SSE_VEC_FLOAT_MODE_P as insn constraint.
3385         (storent<mode>): Ditto.
3386         (storent<mode>): Macroize expander from storentsf and storentdf using
3387         MODEF mode iterator.
3388         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3389         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3390         (abs<mode>2): Ditto from similar patterns.
3391         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3392         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3393         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3394         (<sse>_vmsqrt<mode>2): Ditto.
3395         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3396         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3397         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3398         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3399         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3400         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3401         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3402         insn constraint.
3403         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3404         iterator and SSE_FLOAT_MODE_P as insn constraint.
3405         (<sse>_ucomi): Ditto from similar patterns.
3406         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3407         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3408         SSE_VEC_FLOAT_MODE_P as insn constraint.
3409         (vcond<mode>): Ditto from similar patterns.
3410         (and<mode>3, *and<mode>3): Ditto.
3411         (<sse>_nand<mode>3): Ditto.
3412         (ior<mode>3, *ior<mode>3): Ditto.
3413         (xor<mode>3, *xor<mode>3): Ditto.
3414         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3415         iterator and SSE_FLOAT_MODE_P as insn constraint.
3416         (*nand<mode>3): Ditto from similar patterns.
3417         (*ior<mode>3): Ditto.
3418         (*xor<mode>3): Ditto.
3419
3420 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3421
3422         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3423         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3424         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3425
3426 2008-02-19  Jan Hubicka  <jh@suse.cz>
3427
3428         * predict.c (tree_bb_level_predictions): Remove variable next
3429         mistakely introduced by previous commit.
3430
3431 2008-02-19  Jan Hubicka  <jh@suse.cz>
3432
3433         * predict.c (predict_paths_leading_to): Rewrite.
3434         (predict_paths_for_bb): New.
3435         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3436
3437 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3438
3439         PR bootstrap/35218
3440         * Makefile.in (build_file_translate): New.
3441         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3442         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3443         * configure.ac (build_file_translate): Substitute it.
3444         * configure: Regenerate.
3445
3446 2008-02-19  Jan Hubicka  <jh@suse.cz>
3447
3448         PR rtl-optimization/34408
3449         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3450         invalid sharing.
3451
3452 2008-02-19  Jan Hubicka  <jh@suse.cz>
3453
3454         PR middle-end/28779
3455         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3456         call_expr.
3457
3458 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3459
3460         PR Ada/35186
3461         * config/i386/i386-modes.def: Revert the last DI alignment
3462         change until Ada people can look into it.
3463
3464 2008-02-19  Nick Clifton  <nickc@redhat.com>
3465
3466         * opts.c (print_specific_help): Fix typo in --help text.
3467
3468 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3469
3470         PR target/35239
3471         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3472         32-bit inline asm without asm alternatives for host GCC < 3.0.
3473
3474 2008-02-19  Richard Guenther  <rguenther@suse.de>
3475
3476         PR tree-optimization/34989
3477         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3478         Allow propagation to INDIRECT_REF if we can simplify only.
3479
3480 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3481
3482         * c-common.c (warn_for_collisions_1): Use appropriate option when
3483         warning.
3484
3485 2008-02-19  Nick Clifton  <nickc@redhat.com>
3486
3487         PR other/31349
3488         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3489         (handle_options): Fix indentation.
3490         (print_filtered_help): If no language-specific options were
3491         displayed tell the user how to list all the options supported by
3492         the language's front-end.
3493         (print_specific_help): Fix indentation and remove duplicate line.
3494         (common_handle_option): Handle the -v option.
3495         For --help enable the display of undocumented options if the -v
3496         switch has been included on the command line.
3497         For --help= check for overlaps in the arguments between the option
3498         classes and the language names and issue a warning when they
3499         cannot be disambiguated.
3500         * c.opt (v): Pass on to the common option handler.
3501
3502 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3503
3504         * modulo-sched.c (sms_schedule): Change dump message when
3505         create_ddg function fails.
3506         (try_scheduling_node_in_cycle): Rename row to cycle.
3507         (print_partial_schedule): Rename CYCLE to ROW.
3508
3509 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3510             Zdenek Dvorak  <ook@ucw.cz>
3511
3512         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3513
3514 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3515
3516         PR target/33555
3517         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3518         (*x86_movdicc_0_m1_se): Ditto.
3519
3520 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3521
3522         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3523         (CMPtype): Define as __gcc_CMPtype.
3524         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3525         (CMPtype): Define as __gcc_CMPtype.
3526
3527 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3528
3529         Support valgrind 3.3 for --enable-checking=valgrind.
3530         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3531         here.
3532         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3533         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3534         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3535         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3536         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3537         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3538         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3539         respectively.
3540         * ggc-zone.c: Similar.
3541         * ggc-page.c: Similar.
3542
3543 2008-02-19  Paul Brook  <paul@codesourcery.com>
3544
3545         PR target/35071
3546         * config/arm/ieee754-df.S: Fix do_it typo.
3547         * config/arm/ieee754-sf.S: Fix do_it typo.
3548
3549 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3550
3551         PR target/35189
3552         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3553         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3554         (OPTION_MASK_ISA_SSE_SET): Likewise.
3555         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3556         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3557         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3558         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3559         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3560         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3561         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3562         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3563         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3564         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3565         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3566         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3567         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3568         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3569         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3570         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3571         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3572         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3573         (OPTION_MASK_ISA_SSE4): Removed.
3574         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3575         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3576         (override_options): Don't turn on implied SSE/MMX bits in
3577         ix86_isa_flags.
3578
3579 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3580
3581         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3582         32bit host.
3583
3584 2008-02-18  Joey Ye  <joey.ye@intel.com>
3585
3586         PR middle-end/34921
3587         * tree-nested.c (insert_field_into_struct): Set type alignment
3588         to field alignment if the former is less than the latter.
3589
3590 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3591
3592         * BASE-VER: Set to 4.4.0.
3593
3594 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3595
3596         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3597         * doc/cfg.texi: Likewise.
3598         * doc/extend.texi: Likewise.
3599         * doc/gty.texi: Likewise.
3600         * doc/invoke.texi: Likewise.
3601         * doc/loop.texi: Likewise.
3602         * doc/md.texi: Likewise.
3603         * doc/passes.texi: Likewise.
3604         * doc/rtl.texi: Likewise.
3605         * doc/sourcebuild.texi: Likewise.
3606         * doc/tm.texi: Likewise.
3607         * doc/tree-ssa.texi: Likewise.
3608
3609 2008-02-17  Richard Guenther  <rguenther@suse.de>
3610
3611         PR middle-end/35227
3612         * tree-complex.c (init_parameter_lattice_values): Handle parameters
3613         without default definition.
3614
3615 2008-02-17  Richard Guenther  <rguenther@suse.de>
3616
3617         PR tree-optimization/35231
3618         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3619         if A | B != 1.
3620
3621 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
3622
3623         Revert:
3624         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
3625         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3626         libgcc_cmp_return mode.
3627
3628 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3629
3630         PR c/28368
3631         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3632
3633 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
3634
3635         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3636         multilibs.
3637
3638 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3639
3640         * doc/c-tree.texi: Use `@.' where appropriate.
3641         * doc/extend.texi: Likewise.
3642         * doc/install.texi: Likewise.
3643         * doc/invoke.texi: Likewise.
3644         * doc/loop.texi: Likewise.
3645         * doc/makefile.texi: Likewise.
3646         * doc/md.texi: Likewise.
3647         * doc/passes.texi: Likewise.
3648         * doc/standards.texi: Likewise.
3649         * doc/tm.texi: Likewise.
3650
3651 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3652
3653         PR middle-end/35196
3654         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3655         in entry_bb.
3656         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3657         rather than in entry_bb.
3658
3659 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3660
3661         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3662         libgcc_cmp_return mode.
3663
3664 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3665
3666         PR middle-end/35130
3667         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3668         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3669
3670 2008-02-15  Richard Guenther  <rguenther@suse.de>
3671             Zdenek Dvorak  <ook@ucw.cz>
3672
3673         PR tree-optimization/35164
3674         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3675         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3676         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3677         Only propagate addresses which do not have abnormal SSA_NAMEs
3678         in their operands.
3679
3680 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3681
3682         PR target/35088
3683         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3684
3685 2008-02-15  Jan Hubicka  <jh@suse.cz>
3686
3687         PR middle-end/35149
3688         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3689
3690 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3691
3692         PR middle-end/34621
3693         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3694         when calculating alignment_pad.
3695
3696 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3697
3698         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3699         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3700         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3701         and STACK_BOUNDARY define.
3702
3703 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3704
3705         PR preprocessor/35061
3706         * c-pragma.c (handle_pragma_pop_macro): Check that
3707         pushed_macro_table has been allocated.
3708
3709 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3710
3711         PR middle-end/35136
3712         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3713         (force_gimple_operand): Likewise.
3714         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3715         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3716         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3717         (find_interesting_uses_address): Check addressability and alignment
3718         of the base expression only after substituting bases of IVs into it.
3719
3720 2008-02-14  Michael Matz  <matz@suse.de>
3721
3722         PR target/34930
3723         * function.c (instantiate_virtual_regs_in_insn): Reload address
3724         before falling back to reloading the whole operand.
3725
3726 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3727
3728         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3729         before the first section switch note.
3730
3731 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3732
3733         * doc/bugreport.texi: Update copyright years.
3734         * doc/c-tree.texi: Likewise.
3735         * doc/cfg.texi: Likewise.
3736         * doc/cpp.texi: Likewise.
3737         * doc/cppinternals.texi: Likewise.
3738         * doc/fragments.texi: Likewise.
3739         * doc/frontends.texi: Likewise.
3740         * doc/gcc.texi: Likewise.
3741         * doc/gty.texi: Likewise.
3742         * doc/hostconfig.texi: Likewise.
3743         * doc/implement-c.texi: Likewise.
3744         * doc/libgcc.texi: Likewise.
3745         * doc/loop.texi: Likewise.
3746         * doc/makefile.texi: Likewise.
3747         * doc/options.texi: Likewise.
3748         * doc/passes.texi: Likewise.
3749         * doc/rtl.texi: Likewise.
3750         * doc/sourcebuild.texi: Likewise.
3751         * doc/standards.texi: Likewise.
3752         * doc/tree-ssa.texi: Likewise.
3753         * doc/trouble.texi: Likewise.
3754
3755         * doc/extend.texi: Use @: or add comma where appropriate.
3756         * doc/invoke.texi: Likewise.
3757         * doc/tm.texi: Likewise.
3758
3759 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
3760
3761         PR target/34393
3762         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3763         to a reg.
3764
3765 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
3766
3767         * doc/md.texi (clz, ctz): Add reference.
3768         * doc/rtl.texi (clz, ctz): Likewise.
3769
3770 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3771
3772         PR other/35148
3773         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3774         srcdir.
3775
3776 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
3777
3778         * config/s390/s390.c (struct constant_pool): New field
3779         emit_pool_after added.
3780         (s390_mainpool_start): Set the emit_pool_after flag according
3781         to the section switch notes.
3782         (s390_mainpool_finish): Consider emit_pool_after when emitting
3783         the literal pool at the end of the function.
3784         (s390_chunkify_start): Force literal pool splits at section
3785         switch notes.
3786
3787 2008-02-13  Michael Matz  <matz@suse.de>
3788
3789         PR debug/35065
3790         * var-tracking.c (clobber_variable_part): Correctly traverse the
3791         list.
3792
3793 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3794
3795         PR 29673
3796         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3797         Add -fdump-ipa-inline.
3798         * tree-dump.c (dump_files): Remove tree-inlined dump.
3799         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3800         
3801 2008-02-12  Richard Guenther  <rguenther@suse.de>
3802
3803         PR tree-optimization/35171
3804         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3805         default defs.
3806
3807 2008-02-12  Richard Guenther  <rguenther@suse.de>
3808
3809         PR middle-end/35163
3810         * fold-const.c (fold_widened_comparison): Use get_unwidened in
3811         value-preserving mode.  Disallow final truncation.
3812
3813 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3814
3815         PR middle-end/35136
3816         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3817         code from here to...
3818         (force_gimple_operand): ...here.
3819
3820 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
3821
3822         PR c++/35144
3823         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3824         non-compatible pointers.
3825         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3826         different FIELD_DECLs, try harder by comparing field offsets, sizes
3827         and types.
3828
3829         PR inline-asm/35160
3830         * function.c (match_asm_constraints_1): Don't replace the same input
3831         multiple times.
3832
3833 2008-02-12  Anatoly Sokolov <aesok@post.ru>
3834
3835         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3836         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3837         (expand_epilogue): Restore RAMPZ register.
3838         * config/avr/avr.md (RAMPZ_ADDR): New constant.
3839
3840 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
3841
3842         * config/i386/cygwin.asm: (__alloca): Correct calling
3843         convention and alignment.
3844         (__chkstk): Force 8 byte stack alignment.
3845
3846 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
3847             Richard Guenther  <rguenther@suse.de>
3848
3849         PR tree-optimization/33992
3850         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3851         the zero we compare against.
3852
3853 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
3854
3855         PR libfortran/35063
3856         * gthr-win32.h (__gthread_mutex_destroy_function): New function
3857         to CloseHandle after unlocking to prevent accumulation of handle
3858         count.
3859
3860 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3861
3862         PR middle_end/34150
3863         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3864         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
3865         and update LABEL_NUSES during and after reload.
3866
3867 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
3868
3869         PR middle-end/34627
3870         * combine.c (simplify_if_then_else): Make sure the comparison is
3871         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3872
3873 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3874
3875         PR bootstrap/35051
3876         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3877         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3878         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3879         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3880         * tree.h (get_type_static_bounds): Likewise.
3881
3882 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3883
3884         * doc/invoke.texi (Option Summary, C++ Dialect Options)
3885         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3886         Make -Wfoo language annotations match what the compiler outputs.
3887
3888 2008-02-08  Sa Liu  <saliu@de.ibm.com>
3889
3890         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
3891         intrinsics spu_convts, spu_convtu, spu_convtf.
3892         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3893
3894 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
3895
3896         * doc/extend.texi (Function Attributes) <noinline>: Mention
3897         asm ("") as method to keep calls.
3898
3899 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3900
3901         PR other/32754
3902         * doc/options.texi (Options): Replace references to opts.sh with
3903         optc-gen.awk.
3904         * opts-common.c: Likewise.
3905         * optc-gen.awk: Likewise.
3906         
3907 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3908
3909         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3910
3911 2008-02-07  Richard Henderson  <rth@redhat.com>
3912
3913         PR rtl-opt/33410
3914         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3915         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
3916         funny mode.
3917
3918 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
3919
3920         PR tree-optimization/35085
3921         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3922         for operand entry oe2 in addition to operand entry oe3 in order to
3923         expose more opportunities for vectorizer sum reduction.
3924
3925 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3926
3927         PR other/35107
3928         * Makefile.in (LIBS): Remove $(GMPLIBS).
3929         (cc1-dummy, cc1): Add $(GMPLIBS).
3930
3931 2008-02-06  Jan Hubicka  <jh@suse.cz>
3932
3933         PR target/23322
3934         * i386.md (moddf_integer): Do not produce partial memory stalls for
3935         targets where it hurts.
3936
3937 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
3938
3939         PR target/35083
3940         * optabs.c (expand_float): Do not check for decimal modes when
3941         expanding unsigned integer through signed conversion.
3942
3943 2008-02-06  Nick Clifton  <nickc@redhat.com>
3944
3945         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3946         inside the clobber with a match_operand and duplicated operand
3947         number in the constraint.
3948         (ineqbranchsi): Delete redundant comment.
3949
3950 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3951
3952         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
3953         builtin_define ("__USE_INIT_FINI__").
3954         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3955         -msx multilibs.
3956         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3957
3958 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3959
3960         PR documentation/30330
3961         * doc/invoke.texi (C++ Dialect Options)
3962         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3963         For each warning option -Wfoo that allows -Wno-foo, ensure both
3964         -Wfoo and -Wno-foo are listed in the option index.  Fix index
3965         entry of -Wswitch-default, index -Wnormalized= including the
3966         `=', and -Wlarger-than-@var{len} including @var{len}.
3967
3968 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3969
3970         * config/i386/i386.md (floatunssisf2): Use
3971         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3972         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3973         Macroize expander using MODEF mode iterator.
3974
3975 2008-02-05  Diego Novillo  <dnovillo@google.com>
3976
3977         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3978
3979         PR 33738
3980         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3981
3982 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3983
3984         PR other/35070
3985         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3986
3987 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
3988
3989         PR target/35084
3990         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3991         to indicate if a message should be generated.
3992         (init_cumulative_args): Updated.
3993         (function_value_32): Likewise.
3994
3995 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
3996
3997         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3998
3999 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4000
4001         PR target/35083
4002         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4003         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4004
4005 2008-02-04  Diego Novillo  <dnovillo@google.com>
4006
4007         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4008
4009         PR 33738
4010         * tree-vrp.c (vrp_evaluate_conditional): With
4011         -Wtype-limits, emit a warning when comparing against a
4012         constant outside the natural range of OP0's type.
4013
4014 2008-02-04  Richard Guenther  <rguenther@suse.de>