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2008-04-02 Rafael Espindola <espindola@google.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-04-02  Rafael Espindola  <espindola@google.com>
2
3         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
4         (register_edge_assert_for_2): Split the cond argument.
5         (register_edge_assert_for_1): Adjust for the change in
6         register_edge_assert_for_2.
7         (register_edge_assert_for): Split the cond argument.
8         (find_switch_asserts): Adjust for the change in
9         register_edge_assert_for.
10
11 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
12
13         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
14         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
15         offsets for 64-bit mingw.
16         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
17         abi for x86_64-pc-mingw.
18
19 2008-04-02  Richard Guenther  <rguenther@suse.de>
20
21         * tree-vrp.c (extract_range_from_assert): Make sure to not
22         produce range min/max with TREE_OVERFOW set.
23         If merging a anti-range and a range keep the anti-range if
24         the range covers all values of the type.
25         (register_edge_assert_for_2): Only allow sign-changing
26         conversions in detecting canonical range checks.  Also
27         register an assert for the unsigned name if useful.
28
29         PR tree-optimization/35787
30         * tree-vrp.c (vrp_val_max): New function.
31         (vrp_val_min): Likewise.
32         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
33         (vrp_val_is_min): Likewise.
34         (supports_overflow_infinity): Use vrp_val_{min,max}.
35         (negative_overflow_infinity): Likewise.
36         (positive_overflow_infinity): Likewise.
37         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
38         (is_positive_overflow_infinity): Likewise.
39         (is_overflow_infinity): Likewise.
40         (avoid_overflow_infinity): Use vrp_val_{min,max} and
41         vrp_val_is_{min,max}.
42         (set_and_canonicalize_value_range): Canonicalize anti-ranges
43         to ranges if possible.  Avoid empty ranges.
44
45 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
46
47         PR middle-end/35705
48         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
49         the expression is a function address.
50
51 2008-04-01  George Helffrich  <george@gcc.gnu.org>
52
53         PR fortran/PR35154, fortran/PR23057
54         * fortran/trans-common.c (create_common):  Add decl to function
55         chain to preserve identifier scope in debug output.
56
57         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
58         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
59         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
60         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
61         in common.
62         (dbxout_syms): Check for COMMON-based symbol and wrap in
63         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
64         in bracket for efficiency.
65
66         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
67         using DW_TAG_common_block + member offset.
68         (add_pubname_string): New function.
69         (dw_expand_expr): New function to find block name and offset for
70         COMMON var.
71         (common_check): New function to check whether symbol in Fortran COMMON.
72         (gen_variable_die): If COMMON, use DW_TAG_common_block.
73
74         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
75         use of common is unchanged.
76
77         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
78         with all combinations of debug options available on target.
79         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
80         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
81         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
82         .stabs functionality.
83         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
84         DWARF functionality.
85
86 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
87
88         PR c/35436
89         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
90
91 2008-04-02  Ben Elliston  <bje@au.ibm.com>
92
93         * config/v850/v850.md (casesi): Remove if (0) code.
94         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
95         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
96
97 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
98
99         * config/i386/i386.md (rex64suffix): New mode attribute.
100         (floathi<mode>2): Disable expander for SSE math.
101         (*floathi<mode>2_1): New insn insn_and_split pattern.
102         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
103         corresponding post-reload splitters.
104         (*floathi<mode>2_i387): New macroized insn pattern.
105         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
106         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
107         insn_and_split pattern.
108         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
109         New macroized instruction patterns and corresponding post-reload
110         splitters.
111         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
112         and corresponding post-reload splitters.
113         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
114         New macroized instruction patterns.
115         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
116         macroized instruction patterns and corresponding post-reload splitters.
117         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
118         corresponding post-reload splitters.
119         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
120         New macroized instruction patterns.
121         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
122         corresponding post-reload splitters.
123         (*floatsi<mode>2_i387): New macroized instruction patterns.
124
125 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
126
127         * config/i386/i386.md (smaxmin): New.
128         (umaxmin): Likewise.
129         (maxminiprefix): Likewise.
130         (maxminfprefix): Likewise.
131         (<code><mode>3): Likewise.
132         (smin<mode>3): Removed.
133         (smax<mode>3): Likewise.
134
135         * config/i386/mmx.md (mmx_<code>v2sf3): New.
136         (mmx_<code>v4hi3): Likewise.
137         (mmx_<code>v8qi3): Likewise.
138         (mmx_smaxv2sf3): Removed.
139         (mmx_sminv2sf3): Likewise.
140         (mmx_umaxv8qi3): Likewise.
141         (mmx_smaxv4hi3): Likewise.
142         (mmx_uminv8qi3): Likewise.
143         (mmx_sminv4hi3): Likewise.
144
145         * config/i386/sse.md (<addsub><mode>3): New.
146         (*<addsub><mode>3): Likewise.
147         (<sse>_vm<addsub><mode>3): Likewise.
148         (<maxmin><mode>3): Likewise.
149         (*<maxmin><mode>3_finite): Likewise.
150         (*<maxmin><mode>3): Likewise.
151         (<sse>_vm<maxmin><mode>3): Likewise.
152         (sse3_h<addsub>v4sf3): Likewise.
153         (sse3_h<addsub>v2df3): Likewise.
154         (<maxmin>v16qi3): Likewise.
155         (*<maxmin>v16qi3): Likewise.
156         (<maxmin>v8hi3): Likewise.
157         (*<maxmin>v8hi3): Likewise.
158         (*sse4_1_<maxmin><mode>3): Likewise.
159         (*sse4_1_<maxmin><mode>3): Likewise.
160         (add<mode>3): Removed.
161         (*add<mode>3): Likewise.
162         (<sse>_vmadd<mode>3): Likewise.
163         (sub<mode>3): Likewise.
164         (*sub<mode>3): Likewise.
165         (<sse>_vmsub<mode>3): Likewise.
166         (smin<mode>3): Likewise.
167         (*smin<mode>3_finite): Likewise.
168         (*smin<mode>3): Likewise.
169         (<sse>_vmsmin<mode>3): Likewise.
170         (smax<mode>3): Likewise.
171         (*smax<mode>3_finite): Likewise.
172         (*smax<mode>3): Likewise.
173         (<sse>_vmsmax<mode>3): Likewise.
174         (sse3_haddv4sf3): Likewise.
175         (sse3_haddv2df3): Likewise.
176         (sse3_hsubv4sf3): Likewise.
177         (sse3_hsubv2df3): Likewise.
178         (umaxv16qi3): Likewise.
179         (*umaxv16qi3): Likewise.
180         (smaxv8hi3): Likewise.
181         (*smaxv8hi3): Likewise.
182         (*sse4_1_smax<mode>3): Likewise.
183         (*sse4_1_umax<mode>3): Likewise.
184         (uminv16qi3): Likewise.
185         (*uminv16qi3): Likewise.
186         (sminv8hi3): Likewise.
187         (*sminv8hi3): Likewise.
188         (*sse4_1_smin<mode>3): Likewise.
189         (*sse4_1_umin<mode>3): Likewise.
190
191 2008-04-01  Rafael Espindola  <espindola@google.com>
192
193         * tree-cfg.c (verify_expr): remove in_phi.
194         (verify_stmt): Don't call walk_tree with verify_expr. Use
195         is_gimple_min_invariant instead of is_gimple_val.
196
197 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
198
199         * doc/include/gpl_v3.texi: Update for manpage generation.
200         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
201         gpl.texi.
202         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
203         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
204         gpl_v3.texi instead of gpl.texi.
205         (gpl.pod): New.
206
207 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
208
209         PR pch/13675
210         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
211
212 2008-04-01  Rafael Espindola  <espindola@google.com>
213
214         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
215         (extract_code_and_val_from_cond): Use
216         extract_code_and_val_from_cond_with_ops.
217
218 2008-04-01  Jan Hubicka  <jh@suse.cz>
219
220         * function.c (free_after_compilation): Free epilogue_delay_list.
221         (prepare_function_start): Assert that previous compilation was freed.
222
223 2008-04-01  Jan Hubicka  <jh@suse.cz>
224             Jim Wilson  <wilson@tuliptree.org>
225             Andreas Tobler <andreast@gcc.gnu.org>
226
227         PR middle-end/35781
228         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
229         rtl.emit instead cfun->emit.
230         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
231         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
232
233 2008-04-01  Ben Elliston  <bje@au.ibm.com>
234
235         * doc/c-tree.texi (Function Basics): Fix grammatical error.
236
237 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
238
239         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
240         New options
241         (fprofile-use): Add var flag_profile_use
242         * coverage.c (coverage_begin_output): Do not open a gcno file for
243         output only if -ftest-coverage is set.
244         Do not add getpwd() to gcda file path.
245         (build_gcov_info): Check the new flag
246         flag_profile_datafile_relative_path.
247         (coverage_init): Use profile_data_prefix.
248         Read profile counter only if flag_profile_use is set.
249         * opts.c (common_handle_option): New option fprofile-use=,
250         fprofile-dir=, fprofile-generate=.
251         * toplev.c (profile_data_prefix): New variable definition.
252         * toplev.h (profile_data_prefix): New declaration.
253         * doc/invoke.tex (Option Summary, Optimization Options):
254         Add new options.
255
256 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
257
258         * varasm.c (output_constant_pool_1): In LABEL_REF check,
259         use tmp consistently.
260
261         PR target/35695
262         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
263         * config/ia64/ia64.c (rtx_needs_barrier): Handle
264         UNSPEC_FR_RECIP_APPROX_RES.
265         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
266
267 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
268
269         PR c/35750
270         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
271
272 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
273
274         PR middle-end/30186
275         * fold-const.c (fold_indirect_ref_1): Support accessing non first
276         element of the vector via a pointer.
277
278 2008-03-31  Ian Lance Taylor  <iant@google.com>
279
280         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
281
282 2008-03-31  Jan Hubicka  <jh@suse.cz>
283
284         * builtins.c (expand_builtin_setjmp_receiver): Update call of
285         get_arg_pointer_save_area.
286         * expr.c (init_expr): Just clear out rtl.expr.
287         * function.c (free_after_compilation): Clear out whole RTL structure.
288         (get_func_frame_size): Merge into ...
289         (get_frame_size): ... this one.
290         (assign_stack_local_1): Merge into ...
291         (assign_stack_local): ... this one.
292         (expand_function_end): Update call of get_arg_pointer_save_area.
293         (get_art_pointer_save_area): Remove cfun argument.
294         * function.h (emit_status): regno_pointer_align does not need length
295         attribute. Move x_regno_reg_rtx to ...
296         (regno_reg_rtx): ... new global array.
297         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
298         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
299         apply_args_value, forced_labels, stack_pointer_delta):
300         Update accestors.
301         (struct varasm_status): Move here from varasm.c
302         (struct rtl_data): New. Move here some fields from struct function.
303         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
304         frame_offset, stack_check_probe_note, arg_pointer_save_area,
305         used_temp_slots avail_temp_slots, temp_slot_level,
306         nonlocal_goto_handler_labels): Update accesstors.
307         (rtl): New global variable.
308         (struct function): Move some fileds to rtl_data.
309         (get_arg_pointer_save_area): Update prototype.
310         * emit-rtl.c (rtl): Declare.
311         (regno_reg_rtx): Declare.
312         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
313         Update.
314         (gen_reg_rtx): Update.
315         (init_virtual_regs): Do not tate emit_status argument.
316         (init_emit): Do not allocate emit.
317         * varasm.c (varasm_statuc): Move to function.h.
318         (n_deferred_constatns): Update accestor.
319         (init_varasm_status): Do not allocate varasm_status.
320         (force_const_mem, get_pool_size, output_constant_pool): Update.
321         * stmt.c (force_label_rtx): Do not use x_ prefixes.
322         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
323
324 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
325
326         PR rtl-optimization/35729
327         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
328         references.
329
330 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
331
332         PR target/32000
333         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
334         load/store if memory is unaligned.
335         (*movti_rex64): Likewise.
336
337         * config/i386/predicates.md (misaligned_operand): New.
338
339 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
340
341         PR tree-opt/35431
342         * tree-ssa-phiopt.c (conditional_replacement): Return early for
343         complex types.
344
345 2008-03-31  Jan Beulich  <jbeulich@novell.com>
346
347         * config/ia64/constraints.md: Add 'j' constraint.
348         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
349         (movdi_internal): Likewise.
350
351 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
352
353         PR c/35748
354         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
355
356 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
357
358         PR target/35757
359         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
360         proper error message for the third argument on blendpd and
361         blendps.
362
363         * config/i386/sse.md (blendbits): New.
364         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
365
366 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
367
368         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
369
370 2008-03-30  Richard Guenther  <rguenther@suse.de>
371
372         PR middle-end/31023
373         * fold-const.c (fold_sign_changed_comparison): Do leave
374         conversions to base-types alone.
375
376 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
377
378         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
379         the link register if one altivec register is be saved.
380
381 2008-03-30  Ben Elliston  <bje@au.ibm.com>
382
383         * final.c (final_scan_insn): Remove if (0) code.
384
385 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
386
387         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
388
389 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
390
391         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
392         of V4SFmode to ix86_binary_operator_ok.
393
394 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
395
396         * config/i386/i386.c (override_options): Initialize
397         ix86_veclib_handler to ix86_veclibabi_svml when
398         -mveclibabi=svml is used.
399         (ix86_veclibabi_svml): New function for SVML ABI style
400         vectorization support.
401         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
402
403 2008-03-28  Rafael Espindola  <espindola@google.com>
404
405         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
406         (tree_binary_nonnegative_warnv_p): Make it public.
407         (tree_single_nonnegative_warnv_p): Make it public.
408         (tree_invalid_nonnegative_warnv_p): Make it public.
409         (tree_unary_nonzero_warnv_p): Make it public.
410         (tree_binary_nonzero_warnv_p): Make it public
411         (tree_single_nonzero_warnv_p): Make it public.
412         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
413         (extract_range_from_binary_expr): Split the expr argument.
414         (extract_range_from_unary_expr): Split the expr argument.
415         (extract_range_from_comparison): Split the expr argument.
416         (extract_range_from_expr): Use the new aux functions.
417         (vrp_evaluate_conditional_warnv): Use
418         vrp_evaluate_conditional_warnv_with_ops.
419         * tree.h (tree_unary_nonzero_warnv_p): Declare.
420         (tree_binary_nonzero_warnv_p): Declare.
421         (tree_single_nonzero_warnv_p): Declare.
422         (tree_expr_nonzero_warnv_p): Declare.
423         (tree_unary_nonnegative_warnv_p): Declare.
424         (tree_binary_nonnegative_warnv_p): Declare.
425         (tree_single_nonnegative_warnv_p): Declare.
426         (tree_invalid_nonnegative_warnv_p): Declare.
427
428 2008-03-28  Richard Guenther  <rguenther@suse.de>
429
430         PR tree-optimization/30317
431         PR tree-optimization/30911
432         PR tree-optimization/34793
433         * tree-vrp.c (set_and_canonicalize_value_range): New function.
434         (struct assert_locus_d): New member EXPR.
435         (register_new_assert_for): Add EXPR parameter to support
436         ASSERT_EXPR <name, expr OP limit>.
437         (register_edge_assert_for_1): Adjust callers.
438         (find_assert_locations): Likewise.
439         (process_assert_insertions_for): Build condition from expression.
440         (extract_range_from_assert): Handle ASSERT_EXPRs
441         of the form ASSERT_EXPR <name, expr OP limit>.
442         (register_edge_assert_for_2): New helper registering
443         asserts for comparisons.  Recognize range tests of the form
444         (unsigned)i - CST1 OP CST2.
445         (register_edge_assert_for_1): Use it.
446         (register_edge_assert_for): Likewise.
447         (needs_overflow_infinity): Integer sub-types
448         do not need overflow infinities.
449         (vrp_val_is_max): The extreme values of integer sub-types
450         are those of the base type.
451         (vrp_val_is_min): Likewise.
452         * tree.def (ASSERT_EXPR): Document extra allowed conditional
453         expressions.
454
455 2008-03-28  Nick Clifton  <nickc@redhat.com>
456
457         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
458         Return GENERAL_REGS for stack adjustment reloads.
459
460 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
461
462         PR target/31334
463         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
464         const_vector when all the vectors are constant.
465
466 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
467
468         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
469         comparisons.
470         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
471         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
472         (scc_sf): New.
473         (s<code>_sf): Use new scc_sf attribute for opcode names.
474
475 2008-03-27  Tom Tromey  <tromey@redhat.com>
476
477         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
478         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
479         config/spu/t-spu-elf, config/i386/t-interix,
480         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
481         config/i386/x-darwin, config/i386/x-mingw32,
482         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
483         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
484         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
485         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
486         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
487         config/rs6000/x-darwin, config/rs6000/t-rs6000,
488         config/score/t-score-elf, config/arm/t-strongarm-pe,
489         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
490         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
491         Revert automatic dependency patch.
492
493 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
494
495         PR target/35657
496         * config/i386/i386.c (ix86_function_arg_boundary): Align
497         decimal floating point to its natural boundary.
498
499 2008-03-27  Richard Guenther  <rguenther@suse.de>
500
501         PR middle-end/35716
502         * fold-const.c (fold_comparison): Restrict distinct decl
503         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
504         solely rely on operand_equal_p.
505
506 2008-03-27  Richard Guenther  <rguenther@suse.de>
507
508         PR c/32511
509         * c-common.c (handle_weak_attribute): Reject combination of
510         weak and inline.
511
512 2008-03-27  Richard Guenther  <rguenther@suse.de>
513
514         PR tree-optimization/32810
515         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
516         conversions from DECL_INITIAL.
517         (fold_const_aggregate_ref): Likewise from constructor elements.
518
519 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
520
521         * tree-affine.h (aff_combination_expand): Declare.
522         (get_inner_reference_aff): Likewise.
523         * tree-affine.c (aff_combination_expand): Split out from
524         tree_to_aff_combination_expand.
525         (get_inner_reference_aff): New function.
526         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
527         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
528         (struct lim_aux_data): sm_done field removed.
529         (mem_ref_loc_p, mem_ref_locs_p): New types.
530         (struct mem_ref): Added id, stored, accesses_in_loop,
531         indep_loop, dep_loop, indep_ref, dep_ref fields.
532         Removed is_stored, locs and next fields.
533         (memory_accesses): New variable.
534         (movement_possibility): Do not allow moving statements
535         that store to memory.
536         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
537         New functions.
538         (determine_max_movement): For statements with memory references,
539         find the outermost loop in that the reference is independent.
540         (move_computations_stmt): Mark the virtual operands for renaming.
541         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
542         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
543         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
544         add_vop_ref_mapping, create_vop_ref_mapping_loop,
545         create_vop_ref_mapping, analyze_memory_references,
546         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
547         get_all_locs_in_loop, ref_always_accessed_p,
548         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
549         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
550         store_motion_loop, store_motion): New functions.
551         (struct vop_to_refs_elt): New type.
552         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
553         memref_hash, memref_eq, hoist_memory_references): Rewritten.
554         (schedule_sm): Replaced by...
555         (execute_sm): ... this.
556         (determine_lsm_ref, hoist_memory_references,
557         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
558         find_more_ref_vops, free_mem_ref, free_mem_refs,
559         determine_lsm_loop, determine_lsm): Removed.
560         (tree_ssa_lim_finalize): Free data structures used by store motion.
561         (tree_ssa_lim): Call analyze_memory_references.  Use
562         store_motion instead of determine_lsm.
563
564 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
565
566         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
567         rename tmake_file to m68hc11/t-m68hc11.
568         (mcore): Set inhibit_libc to true.
569         * config.host (alpha*-dec-*vms*): Set extra_programs.
570         (interix3*): Don't use host_xmake_file.
571         * configure.ac: Let config.gcc override inhibit_libc.
572         * configure: Regenerate.
573
574         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
575         * config/t-openbsd-thread: Remove commented out lines.
576         
577         * config/x-interix: Remove.
578
579         * config/m68hc11/t-m68hc11-gas: Rename to...
580         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
581
582         * config/mcore/t-mcore: Remove T_CFLAGS.
583         * config/mcore/t-mcore-pe: Likewise.
584
585 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
586
587         * configure.ac: Replace custom __GNU_SOURCE test with
588         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
589         * aclocal.m4: Regenerate.
590         * configure: Regenerate.
591         * config.in: Regenerate.
592
593 2008-03-27  Richard Guenther  <rguenther@suse.de>
594
595         * fold-const.c (target.h): Include.
596         (fold_comparison): Fold comparison of addresses of decls
597         that bind locally or of constants.  Consolidate address folding code.
598         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
599         results from fold_binary_to_constant.
600         (compare_values_warnv): Likewise.
601
602 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
603
604         PR middle-end/35429
605         * fold-const.c (fold_truthop): Check for integeral types when folding
606         a == 0 && b == 0 and a != 0 || b != 0 .
607
608 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
609
610         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
611
612 2008-03-26  Andreas Schwab  <schwab@suse.de>
613
614         * doc/invoke.texi: Fix use of @item vs. @itemx.
615
616 2008-03-26  Tom Tromey  <tromey@redhat.com>
617
618         * Makefile.in (build/gensupport.o, build/print-rtl.o,
619         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
620         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
621         build/gencodes.o, build/genconditions.o, build/genconfig.o,
622         build/genconstants.o, build/genemit.o, build/genextract.o,
623         build/genflags.o, build/genmddeps.o, build/genopinit.o,
624         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
625         options.h.
626
627 2008-03-26  Richard Guenther  <rguenther@suse.de>
628
629         Revert
630         2008-03-26  Richard Guenther  <rguenther@suse.de>
631
632         * fold-const.c (target.h): Include.
633         (fold_comparison): Fold comparison of addresses of two decls
634         that bind locally.  Consolidate address folding code.
635
636 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
637
638         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
639         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
640         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
641         dconstsqrt2, dconstthird, dconste and/or dconst10.
642         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
643         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
644         dconstsqrt2, dconste): Delete.
645         (init_emit_once): Likewise.  Simplify initializing dconstm1.
646         Constify variable.
647         * real.c (get_real_const): New.
648         * real.h (dconst3, dconst10, dconstm2, dconstthird,
649         dconstsqrt2, dconste): Delete.
650         (real_value_const, get_real_const): New.
651
652 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
653
654         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
655
656         * config/i386/i386.c (ix86_function_arg_boundary): Check
657         BIGGEST_ALIGNMENT instead of 128.
658         (setup_incoming_varargs_64): Likewise.
659
660 2008-03-26  Tom Tromey  <tromey@redhat.com>
661
662         * Makefile.in (DEPFILES): Add missing '/'.
663
664 2008-03-26  Richard Guenther  <rguenther@suse.de>
665
666         * fold-const.c (target.h): Include.
667         (fold_comparison): Fold comparison of addresses of two decls
668         that bind locally.  Consolidate address folding code.
669
670 2008-03-26  Nick Clifton  <nickc@redhat.com>
671
672         PR target/31232
673         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
674         not allow INT+INT as a legitimate addressing mode.
675
676 2008-03-26  Richard Guenther  <rguenther@suse.de>
677
678         * tree-flow.h (widen_bitfield): Remove declaration.
679         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
680         (widen_bitfield): Remove function.
681         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
682         code.
683
684 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
685
686         PR target/31558
687         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
688         error_mark_node's.
689
690 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
691
692         PR rtl-optimization/35232
693         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
694         (forget_old_reloads_1, forget_marked_reloads): Don't clear
695         reg_reloaded_call_part_clobbered here.
696         (reload_regs_reach_end_p): New function.
697         (reload_reg_rtx_for_input): New variable.
698         (reload_reg_rtx_for_output): Likewise.
699         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
700         when reassigning a pseudo register.  Load reloadreg from 
701         reload_reg_rtx_for_input, moving the mode and register
702         calculation to...
703         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
704         instead of the original when deciding whether an input reload
705         would be a no-op or whether an output reload can be deleted.
706         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
707         when setting up new_spill_reg_store.  Load it from
708         reload_reg_rtx_for_output, moving the mode and register
709         calculation to...
710         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
711         instead of the original when deciding whether an output reload
712         would be a no-op.  Do the same when modifying insn notes.
713         Use rtx_equal_p instead of == to compare the registers.
714         (inherit_piecemeal_p): Take a mode and two register numbers
715         as argument.
716         (emit_reload_insns): Clear new_spill_reg_store for every hard
717         register in the reload register.  Remove spill registers
718         from reg_reloaded_valid before considering whether to record
719         inheritance information for them.  Use reload_reg_rtx_for_output
720         instead of reg_rtx when recording output reloads.  Use
721         reload_reg_rtx_for_input instead of reg_rtx when recording
722         input reloads.  Set or clear reg_reloaded_call_part_clobbered
723         at the same time as setting reg_reloaded_valid.
724         (delete_output_reload): Add a new_reload_reg parameter and use it
725         instead of rld[j].reg_rtx.
726         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
727         calls accordingly.
728
729 2008-03-25  Tom Tromey  <tromey@redhat.com>
730
731         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
732         (build/genattr.o): Likewise.
733         (build/genattrtab.o): Likewise.
734         (build/gencodes.o): Likewise.
735         (build/genconfig.o): Likewise.
736         (build/genconstants.o): Likewise.
737         (build/genemit.o): Likewise.
738         (build/genextract.o): Likewise.
739         (build/genflags.o): Likewise.
740
741 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
742         
743         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
744         instead of size_int for integer types.
745         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
746         to match type of MINUS_EXPR.
747         
748 2008-03-25  Tom Tromey  <tromey@redhat.com>
749
750         * configure: Rebuilt.
751         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
752         Makefile.
753
754 2008-03-25  Tom Tromey  <tromey@redhat.com>
755
756         * config/x-solaris (host-solaris.o): Update.
757         * config/x-linux (host-linux.o): Update.
758         * config/x-hpux (host-hpux.o): Update.
759         * config/x-darwin (host-darwin.o): Update.
760         * config/v850/t-v850e (v850-c.o): Update.
761         * config/v850/t-v850 (v850-c.o): Update.
762         * config/t-vxworks (vxworks.o): Update.
763         * config/t-sol2 (sol2-c.o, sol2.o): Update.
764         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
765         * config/spu/t-spu-elf (spu-c.o): Update.
766         (spu.o): Remove.
767         * config/sh/t-symbian (sh-c.o): Update.
768         (symbian.o): Update.
769         * config/sh/t-sh (sh-c.o): Update.
770         * config/score/t-score-elf (score7.o, score3.o): Update.
771         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
772         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
773         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
774         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
775         (rs6000.o): Remove.
776         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
777         * config/m32c/t-m32c (m32c-pragma.o): Update.
778         * config/ia64/t-ia64 (ia64-c.o): Update.
779         * config/i386/x-mingw32 (host-mingw32.o): Update.
780         * config/i386/x-i386 (driver-i386.o): Update.
781         * config/i386/x-darwin (host-i386-darwin.o): Update.
782         * config/i386/x-cygwin (host-cygwin.o): Update.
783         * config/i386/t-nwld (nwld.o): Update.
784         * config/i386/t-netware (netware.o): Update.
785         * config/i386/t-interix (winnt.o): Update.
786         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
787         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
788         msformat-c.o): Update.
789         * config/bfin/t-bfin-linux (generated_files): Add
790         linux-sysroot-suffix.h.
791         * config/arm/t-wince-pe (pe.o): Update.
792         * config/arm/t-strongarm-pe (pe.o): Update.
793         * config/arm/t-pe (pe.o): Update.
794         * config/arm/t-arm (arm-c.o): Update.
795         * doc/install.texi (Prerequisites): Require make 3.80.
796         * Makefile.in: Remove .o targets.
797         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
798         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
799         (simple_generated_h, simple_generated_c): Move earlier.
800         (generated_files): New variable.
801         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
802         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
803         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
804         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
805         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
806         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
807         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
808         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
809         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
810         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
811         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
812         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
813         (.c.o): Remove.
814         (COMPILE.base, COMPILE): New variables.
815         (%.o): New pattern rule.
816         (ALL_HOST_OBJS): New variable.
817         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
818         (dummy-checksum.o, cc1-checksum.o): Remove.
819         (DRIVER_SHLIB): New variable.
820         (DRIVER_DEFINES): Use it.
821         (gencondmd.c): Move out of build/.
822         (s-conditions): Update.
823         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
824         (ALL_BUILD_OBJS): Likewise.
825         (build/%.o): Use BUILDCOMPILE.
826         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
827         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
828         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
829         build/gencheck.o, build/gencodes.o, build/genconditions.o,
830         build/genconfig.o, build/genconstants.o, build/genemit.o,
831         build/genextract.o, build/genflags.o, build/genmddeps.o,
832         build/genopinit.o, build/genoutput.o, build/genpeep.o,
833         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
834         build/gen-protos.o, build/scan.o, build/fix-header.o,
835         build/scan-decls.o): Simplify.
836         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
837         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
838         prefix.o, toplev.o): Reduce to variable setting.
839         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
840         ($(out_object_file), gcc-options.o): New targets.
841         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
842         * configure: Rebuilt.
843         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
844         * doc/sourcebuild.texi (Front End Directory): Document new variable.
845
846 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
847
848         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
849         complain when we hit an error, return ERROR_MARK_NODE.
850
851 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
852
853         * config/sh/constraints.md (Pso, Psz): New constraints.
854         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
855         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
856
857 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
858
859         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
860         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
861
862 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
863
864         * config/sh/sh.md (prefetch): Add condition for SH2A target.
865         (prefetch_sh2a): New.   
866
867 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
868             Naveen.H.S  <naveen.hs@kpitcummins.com>
869
870         * config/sh/constraints.md (I28): New constraint.
871         * config/sh/sh.c (broken_move): Add support for movi20s.
872         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
873
874 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
875             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
876             Naveen.H.S  <naveen.hs@kpitcummins.com>
877
878         * config/sh/sh.c (SH_ATTRIBUTES): Define.
879         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
880         (print_operand): Handle resbank in %@ operand code.
881         (sh_encode_section_info): New.
882         (push_regs): Add conditions for resbank.
883         (sh_expand_epilogue): Likewise.
884         (sh_insert_attributes): Likewise.
885         (sh_attribute_table): Likewise.
886         (sh_handle_resbank_handler_attribute): New.
887         (sh2a_handle_function_vector_handler_attribute): New.
888         (sh2a_is_function_vector_call): New.
889         (sh2a_get_function_vector_number): New.
890         (sh2a_function_vector_p): New.
891         (sh_cfun_resbank_handler_p): New.
892         * config/sh/sh.md (calli): Emit jsr/n if possible.
893         (calli_tbr_rel): New.
894         (calli_pcrel): Emit jsr/n if possible.
895         (return_i): Emit rts/n if possible.
896         (call_valuei_tbr_rel): New.
897         (call_valuei_pcrel): Add condition for SH2A target.
898         (call_value): Likewise.
899         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
900         (sh2a_get_function_vector_number): Likewise.
901         (sh2a_is_function_vector_call): Likewise.
902         * doc/extend.texi: Document TBR relative addressing of SH2A.
903         (resbank): Add description for SH2A.
904
905 2008-03-24  Richard Guenther  <rguenther@suse.de>
906
907         PR c/22371
908         * gimplify.c (gimplify_modify_expr): For frontend type-correct
909         pointer assignments change conversions according to middle-end rules.
910         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
911         * configure.ac: Include type checking in yes.
912         * configure: Regenerate.
913
914 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
915
916         * diagnostic.c (diagnostic_count_diagnostic): Delete.
917         (diagnostic_report_diagnostic): Update. Handle ICEs here.
918         
919 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
920
921         * gthr-vxworks.h (UNUSED): Define.
922
923 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
924
925         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
926
927 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
928
929         * doc/extend.texi (Function Attributes): Add missing comma in the
930         example of the "alloc_size" attribute.
931         
932 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
933
934         Revert:
935         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
936
937         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
938         32bit host.
939
940         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
941
942         PR target/35496
943         * stor-layout.c (update_alignment_for_field): Set minimum alignment
944         of the underlying type of a MS bitfield layout to the natural
945         alignment of the type.
946
947         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
948
949         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
950         to their natural alignment to avoid store forwarding stalls.
951
952 2008-03-22  Richard Guenther  <rguenther@suse.de>
953
954         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
955         For PHI nodes verify the address is invariant.
956         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
957         (get_symbol_constant_value): Use is_gimple_min_invariant.
958         (maybe_fold_stmt_indirect): Likewise.
959
960 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
961
962         PR rtl-optimization/33927
963         * Makefile.in (dse.o): Depend on $(TM_P_H).
964         * expr.h (extract_low_bits): Declare.
965         * expmed.c (extract_low_bits): New function.
966         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
967         * dse.c: Include tm_p.h.
968         (find_shift_sequence): Remove the read_reg argument and return the
969         read value.  Emit the instructions instead of returning them.
970         Iterate on new_mode rather than calculating it each time.
971         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
972         source to NEW_MODE and extract_low_bits to convert the shifted
973         value to READ_MODE.
974         (replace_read): Allow the load and store to have different mode
975         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
976         or extraction instructions before trying the replacement.  Update
977         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
978
979 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
980
981         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
982         to their natural alignment to avoid store forwarding stalls.
983
984 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
985
986         PR target/27946
987         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
988         encouraging but not allowing gprs for input;
989         change the input constraint to !f#r.
990         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
991         gprs for output;
992         change the output constraint to !f#r.
993
994 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
995
996         PR target/13958
997         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
998         corresponding post-reload splitters.
999         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1000         when x87 FP math is selected.
1001         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1002         New function prototype.
1003         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1004         unreachable function to ease macroization of insn patterns.
1005
1006 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1007
1008         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1009         reference dumps if ddr is NULL or dependence is unknown.
1010
1011 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1012
1013         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1014         unsigned extension into account.
1015         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1016         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1017         Do computations on a scratch register.
1018
1019 2008-03-21  Richard Guenther  <rguenther@suse.de>
1020
1021         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1022         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1023         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1024         * tree-ssa-dom.c (record_equality): Likewise.
1025         * tree-inline.c (copy_body_r): Likewise.
1026         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1027         TREE_INVARIANT.
1028
1029 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1030
1031         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1032         as 'delete_unused' argument.
1033
1034 2008-03-20  Richard Guenther  <rguenther@suse.de>
1035
1036         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1037         special casing of constant qualifiers.
1038         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1039         care about them in general.
1040         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1041         regardless of their type.
1042         (fold_stmt_r): Forcefully fold *& if we end up with that.
1043
1044 2008-03-20  Paul Brook  <paul@codesourcery.com>
1045
1046         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1047         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1048         linker flags.
1049         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1050         definition.
1051         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1052         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1053
1054 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1055
1056         * common.opt (Wmudflap): New option.
1057         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1058         (mx_register_decls): Likewise.
1059         (mudflap_finish_file): Likewise.
1060         * doc/invoke.texi: Document -Wno-mudflap.
1061
1062 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1063
1064         * c-format.c (replace_format_name_to_system_name): New.
1065         (cmp_attribs): New.
1066         (convert_format_name_to_system_name): New.
1067         (decode_format_attr): Add use of convert_format_name_to_system_name.
1068         (format_types_orig): Add gnu_ prefix to names.
1069         (check_format_info_main): Special treating of \0 escaped names for
1070         supporting multi-character format specifiers as I32, I64.
1071         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1072         (gnu_target_overrides_format_attributes): New.
1073         * c-format.h: Add structure target_ovr_attr to hold
1074         system specific formatter names.
1075         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1076         msformat-c.o file to c_target_objs and cxx_target_objs.
1077         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1078         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1079         (TARGET_N_FORMAT_TYPES): New.
1080         * config/i386/msformat-c.c: New.
1081         * config/i386/t-cygming: Add build rule for msformat-c.o.
1082         * doc/extend.texi: Add new format names gnu_* and ms_* and
1083         further details.
1084         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1085
1086 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1087
1088         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1089         optimizations turned on under -O3.
1090         (ftree-vectorize): Add that the flag is turned on with -O3.
1091
1092 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1093
1094         * regmove.c (try_auto_increment): Fix spelling error in comment.
1095         * final.c (final_scan_insn): Likewise.
1096
1097 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1098
1099         PR target/14552
1100         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1101         allocator preferences for "y" and "r" class registers.
1102         ("*mov<mode>_internal"): Ditto.
1103         ("*movv2sf_internal_rex64"): Ditto.
1104         ("*movv2sf_internal"): Ditto.
1105
1106 2008-03-19  Michael Matz  <matz@suse.de>
1107
1108         PR middle-end/35616
1109         * calls.c (expand_call): Check overlap of arguments with call
1110         address for sibcalls.
1111
1112 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1113
1114         PR target/35496
1115         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1116         of the underlying type of a MS bitfield layout to the natural
1117         alignment of the type.
1118
1119 2008-03-19  Jan Hubicka  <jh@suse.cz>
1120
1121         PR other/35094
1122         * toplev.c (decode_d_option): Handle all CPP flags.
1123         * tree-vrp.c: Update tree_pass descriptors.
1124         * regrename.c: Update tree_pass descriptors.
1125         * fwprop.c: Update tree_pass descriptors.
1126         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1127         * tree-into-ssa.c: Update tree_pass descriptors.
1128         * tree-dump.c: Update tree_pass descriptors.
1129         * tree-complex.c: Update tree_pass descriptors.
1130         * tree-dump.h: Update tree_pass descriptors.
1131         * see.c: Update tree_pass descriptors.
1132         * cgraphbuild.c: Update tree_pass descriptors.
1133         * tracer.c: Update tree_pass descriptors.
1134         * tree-loop-distribution.c: Update tree_pass descriptors.
1135         * cgraph.c: Update tree_pass descriptors.
1136         * postreload-gcse.c: Update tree_pass descriptors.
1137         * postreload.c: Update tree_pass descriptors.
1138         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1139         * tree-tailcall.c: Update tree_pass descriptors.
1140         * tree-pass.h (tree_opt_pass): Rename to ...
1141         (opt_pass) ... this one; add "type" field and remove letter field.
1142         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1143         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1144         all_lowering_passes): Update declaration.
1145         * ipa-cp.c: Update tree_pass descriptors.
1146         * final.c: Update tree_pass descriptors.
1147         * omp-low.c: Update tree_pass descriptors.
1148         * tree-ssa-dse.c: Update tree_pass descriptors.
1149         * ipa-reference.c: Update tree_pass descriptors.
1150         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1151         * auto-inc-dec.c: Update tree_pass descriptors.
1152         * reorg.c: Update tree_pass descriptors.
1153         * cgraphunit.c: Update tree_pass descriptors.
1154         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1155         * tree-ssa-ccp.c: Update tree_pass descriptors.
1156         * df-core.c: Update tree_pass descriptors.
1157         * mode-switching.c: Update tree_pass descriptors.
1158         * tree-nomudflap.c: Update tree_pass descriptors.
1159         * modulo-sched.c: Update tree_pass descriptors.
1160         * ipa-pure-const.c: Update tree_pass descriptors.
1161         * cse.c: Update tree_pass descriptors.
1162         * web.c: Update tree_pass descriptors.
1163         * tree-stdarg.c: Update tree_pass descriptors.
1164         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1165         * tree-ssa-dom.c: Update tree_pass descriptors.
1166         * tree-nrv.c: Update tree_pass descriptors.
1167         * tree-ssa-alias.c: Update tree_pass descriptors.
1168         * loop-init.c: Update tree_pass descriptors.
1169         * gimple-low.c: Update tree_pass descriptors.
1170         * ipa-inline.c: Update tree_pass descriptors.
1171         * tree-ssa-sink.c: Update tree_pass descriptors.
1172         * global.c: Update tree_pass descriptors.
1173         * ifcvt.c: Update tree_pass descriptors.
1174         * jump.c: Update tree_pass descriptors.
1175         * predict.c: Update tree_pass descriptors.
1176         * tree-ssa-loop.c: Update tree_pass descriptors.
1177         * recog.c: Update tree_pass descriptors.
1178         * dse.c: Update tree_pass descriptors.
1179         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1180         * tree-eh.c: Update tree_pass descriptors.
1181         * regmove.c: Update tree_pass descriptors.
1182         * local-alloc.c
1183         * function.c: Update tree_pass descriptors.
1184         * tree-vectorizer.c: Update tree_pass descriptors.
1185         * gcse.c: Update tree_pass descriptors.
1186         * ipa-type-escape.c: Update tree_pass descriptors.
1187         * tree-if-conv.c: Update tree_pass descriptors.
1188         * init-regs.c: Update tree_pass descriptors.
1189         * ipa.c: Update tree_pass descriptors.
1190         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1191         * rtl-factoring.c: Update tree_pass descriptors.
1192         * lower-subreg.c: Update tree_pass descriptors.
1193         * bt-load.c: Update tree_pass descriptors.
1194         * tree-dfa.c: Update tree_pass descriptors.
1195         * except.c: Update tree_pass descriptors.
1196         * emit-rtl.c: Update tree_pass descriptors.
1197         * cfgexpand.c: Update tree_pass descriptors.
1198         * tree-cfgcleanup.c: Update tree_pass descriptors.
1199         * cfgcleanup.c: Update tree_pass descriptors.
1200         * tree-ssa-pre.c: Update tree_pass descriptors.
1201         * tree-sra.c: Update tree_pass descriptors.
1202         * tree-mudflap.c: Update tree_pass descriptors.
1203         * tree-ssa-copy.c: Update tree_pass descriptors.
1204         * cfglayout.c: Update tree_pass descriptors.
1205         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1206         * tree-ssa-dce.c: Update tree_pass descriptors.
1207         * tree-ssa.c: Update tree_pass descriptors.
1208         * regclass.c: Update tree_pass descriptors.
1209         * integrate.c: Update tree_pass descriptors.
1210         * tree-optimize.c: Update tree_pass descriptors.
1211         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1212         * tree-object-size.c: Update tree_pass descriptors.
1213         * combine.c: Update tree_pass descriptors.
1214         * tree-outof-ssa.c: Update tree_pass descriptors.
1215         * bb-reorder.c: Update tree_pass descriptors.
1216         * stack-ptr-mod.c: Update tree_pass descriptors.
1217         * var-tracking.c: Update tree_pass descriptors.
1218         * tree-profile.c: Update tree_pass descriptors.
1219         * tree-vect-generic.c: Update tree_pass descriptors.
1220         * reg-stack.c: Update tree_pass descriptors.
1221         * sched-rgn.c: Update tree_pass descriptors.
1222         * tree-ssa-structalias.c: Update tree_pass descriptors.
1223         * tree-cfg.c: Update tree_pass descriptors.
1224         * passes.c (current_pass): Update declaration.
1225         (finish_optimization_passes): Update.
1226         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1227         (register_one_dump_file, register_dump_files_1, next_pass_1):
1228         Update arguments.
1229         (init_optimization_passes): Update handling of new types.
1230         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1231         * ipa-struct-reorg.c: Update tree_pass descriptors.
1232         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1233         * combine-stack-adj.c: Update tree_pass descriptors.
1234         * cfgrtl.c: Update tree_pass descriptors.
1235         * dce.c: Update tree_pass descriptors.
1236         * tree-ssanames.c: Update tree_pass descriptors.
1237
1238 2008-03-19  Richard Guenther  <rguenther@suse.de>
1239
1240         PR middle-end/35609
1241         * tree-ssa.c (walk_data): New structure.
1242         (warn_uninitialized_var): If not always_executed warn with "maybe"
1243         instead of "is".
1244         (execute_early_warn_uninitialized): Compute post-dominators.
1245         Initialize always_executed before processing each basic block.
1246
1247 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1248
1249         PR target/35504
1250         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1251         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1252
1253 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1254
1255         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1256
1257 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1258
1259         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1260         is true.
1261         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1262         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1263         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1264         target after ignore has been set, and move there also the commputation
1265         of subtarget and original_target.
1266         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1267         (LANG_HOOKS_INITIALIZER): Remove it.
1268         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1269
1270 2008-03-18  Richard Guenther  <rguenther@suse.de>
1271
1272         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1273         found an expression with constants, note that in the VN for the lhs.
1274         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1275         fold them to constants if possible.  Run cleanup_cfg if done so.
1276         (execute_pre): Return todo.
1277         (do_pre): Likewise.
1278         (execute_fre): Likewise.
1279         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1280         of constants.
1281         (get_prop_source_stmt): Look through pointer conversions.
1282
1283 2008-03-18  Jan Hubicka  <jh@suse.cz>
1284
1285         * tree-pretty-print.c: Include predict.h.
1286         (dump_generic_node): Dump predictor.
1287         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1288         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1289         * gimple-low.c (lower_stmt): Likewise.
1290         * expr.c (expand_expr_real): Likewise.
1291         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1292         them.
1293         (build_predict_expr, build_predict_expr): New.
1294         * predict.h (predictor_name, build_predict_expr): Update.
1295         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1296         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1297         * predict.def (PRED_CONTINUE): Update hitrate.
1298         * tree.def (PREDICT_EXPR): Define.
1299         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1300         do not handle BIND_EXPR.
1301         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1302         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1303         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1304         operands.
1305
1306 2008-03-18  Michael Matz  <matz@suse.de>
1307
1308         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1309
1310 2008-03-18  Richard Guenther  <rguenther@suse.de>
1311
1312         * tree-gimple.h (is_gimple_invariant_address): Declare.
1313         (is_gimple_constant): Likewise.
1314         * tree-gimple.c (is_gimple_constant): New function.
1315         (is_gimple_invariant_address): Likewise.
1316         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1317         and is_gimple_invariant_address.
1318         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1319         previous change.
1320         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1321         an addressable base.
1322
1323 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1324
1325         PR middle-end/35611
1326         * gimplify.c (gimplify_expr): Gimplify second operand of
1327         OMP_ATOMIC_LOAD.
1328
1329 2008-03-17  Richard Guenther  <rguenther@suse.de>
1330
1331         PR tree-optimization/19637
1332         * fold-const.c (fold_unary): Remove restrictions of removing
1333         intermediate pointer-conversions (P2)(P1)P0.
1334         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1335         conversion to void pointer.
1336         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1337
1338 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1339
1340         PR debug/31510
1341         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1342         emulated thread local variables.
1343
1344 2008-03-16  Richard Guenther  <rguenther@suse.de>
1345
1346         PR middle-end/35607
1347         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1348         expand TREE_INVARIANT operations that are not gimple invariant.
1349
1350 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1351
1352         * doc/extend.texi (Alignment): Say that the ABI controls
1353         the __alignof__ for non-strict-alignment targets rather
1354         than being a recommendation.
1355
1356 2008-03-15  Paul Brook  <paul@codesourcery.com>
1357
1358         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1359         annotations.
1360         (arm_output_fn_unwind): Mark functions that can not be unwound.
1361
1362 2008-03-15  Paul Brook  <paul@codesourcery.com>
1363
1364         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1365         extension instructions.
1366
1367 2008-03-15  Richard Guenther  <rguenther@suse.de>
1368
1369         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1370         and fold constant aggregate refs.
1371         (fold_const_aggregate_ref): Handle string constants
1372         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1373         (evaluate_stmt): Simplify now that ccp_fold folds constant
1374         aggregate refs.
1375
1376 2008-03-15  Paul Brook  <paul@codesourcery.com>
1377
1378         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1379         (extzv): Use gen_extzv_t2.
1380         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1381
1382 2008-03-15  Richard Guenther  <rguenther@suse.de>
1383
1384         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1385         (fold_const_aggregate_ref): Likewise.
1386         (get_value): Return NULL if we don't have any values.
1387         (ccp_finalize): Set const_val to NULL after freeing it.
1388         * tree-flow.h (get_symbol_constant_value): Declare.
1389         (fold_const_aggregate_ref): Likewise.
1390         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1391
1392 2008-03-15  Richard Guenther  <rguenther@suse.de>
1393
1394         PR middle-end/35593
1395         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1396         to not produce negative array indices if not allowed.  Add
1397         parameter to indicate that.
1398         (maybe_fold_offset_to_component_ref): Allow negative array
1399         indices only for the first member of a structure.
1400         (maybe_fold_offset_to_reference): Allow negative array indices.
1401         (maybe_fold_stmt_addition): Likewise.
1402
1403 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1404             Anatoly Sokolov <aesok@post.ru>
1405
1406         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1407         (avr_arch): Add ARCH_AVR6.
1408         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1409         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1410         instead of fixed value 2.
1411         (print_operand_address): Use gs() asm specifier instead of pm().
1412         (avr_assemble_integer): (Ditto.).
1413         (avr_output_addr_vec_elt): (Ditto.).
1414         (print_operand): Handle "!" code.
1415         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1416         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1417         (AVR_HAVE_EIJMP_EICALL): Define.
1418         (AVR_3_BYTE_PC): Redefine.
1419         (AVR_2_BYTE_PC): (Ditto.).
1420         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1421         (LINK_SPEC): Add atmega2560 and atmega2561.
1422         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1423         (crtm2561.o).
1424         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1425         for 3 byte PC devices.
1426         (call_value_insn): (Ditto.).
1427         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1428         (indirect_jump): Use only for for 2 byte PC devices.
1429         (*tablejump): (Ditto.).
1430         (*indirect_jump_avr6): Add insn.
1431         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1432         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1433         instead of ijmp for 3 byte PC devices.
1434         (__tablejump2__): (Ditto.).
1435         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1436         (MULITLIB_DIRNAMES): (Ditto.). 
1437         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1438
1439 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1440
1441         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1442         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1443         ("mmx_psadbw"): Use V1DI mode for operand 0.
1444         * config/i386/i386-modes.def (V1SI): New vector mode.
1445         * config/i386/i386.c (struct builtin_description)
1446         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1447         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1448         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1449         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1450         v1di_ftype_v8qi_v8qi type.
1451         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1452
1453         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1454         __builtin_ia32_pmuludq]: Fix the mode of return value.
1455
1456 2008-03-15  Richard Guenther  <rguenther@suse.de>
1457
1458         PR middle-end/35595
1459         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1460         being a PHI_NODE.
1461
1462 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1463         
1464         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1465         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1466         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1467         unless TARGET_SERIALIZE_VOLATILE is enabled.
1468         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1469         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1470         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1471
1472 2008-03-14  Richard Guenther  <rguenther@suse.de>
1473
1474         PR tree-optimization/34172
1475         * tree-flow.h (refs_may_alias_p): Declare.
1476         (get_single_def_stmt): Likewise.
1477         (get_single_def_stmt_from_phi): Likewise.
1478         (get_single_def_stmt_with_phi): Likewise.
1479         * tree-dfa.c (refs_may_alias_p): New function.
1480         (get_single_def_stmt): Likewise.
1481         (get_single_def_stmt_from_phi): Likewise.
1482         (get_single_def_stmt_with_phi): Likewise.
1483         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1484         (vn_reference_lookup_1): New helper function.
1485         (vn_reference_lookup): Walk the virtual use-def chain to
1486         continue searching for a match if the def does not alias the
1487         reference we are looking for.
1488
1489 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1490
1491         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1492         archive and Perzl.  Update The Written Word listing.
1493
1494 2008-03-14  Richard Guenther  <rguenther@suse.de>
1495
1496         PR tree-optimization/34043
1497         PR tree-optimization/33989
1498         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1499         when doing FRE.
1500         (bitmap_find_leader): Use extra argument to verify dominance
1501         relationship inside a basic-block.
1502         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1503         (find_leader_in_sets): Adjust.
1504         (create_component_ref_by_pieces): Take extra argument for
1505         dominance check, handle lookup failures.
1506         (find_or_generate_expression): Likewise.
1507         (create_expression_by_pieces): Likewise.
1508         (insert_into_preds_of_block): Adjust.
1509         (create_value_expr_from): If asked for, verify all operands
1510         are in the blocks AVAIL_OUT set.
1511         (make_values_for_stmt): Check for SSA_NAMEs that are life
1512         over an abnormal edge.
1513         (compute_avail): Remove such check.
1514         (do_SCCVN_insertion): New function.
1515         (eliminate): If we do not find a leader suitable for replacement
1516         insert a replacement expression from SCCVN if available.
1517         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1518         (struct vn_ssa_aux): Add needs_insertion flag.
1519         * tree-ssa-sccvn.c (may_insert): New global flag.
1520         (copy_reference_ops_from_ref): Value-number union member access
1521         based on its size, not type and member if insertion is allowed.
1522         (visit_reference_op_load): For a weak match from union type
1523         punning lookup a view-converted value and insert a SSA_NAME
1524         for that value if that is not found.
1525         (visit_use): Make dumps shorter.  Do not disallow value numbering
1526         SSA_NAMEs that are life over an abnormal edge to constants.
1527         (free_scc_vn): Release inserted SSA_NAMEs.
1528         (run_scc_vn): New flag to specify whether insertion is allowed.
1529         Process SSA_NAMEs in forward order.
1530         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1531         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1532         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1533         pointer type to/from integral types that do not change the
1534         precision to regular conversions.
1535
1536 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1537
1538         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1539         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1540         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1541         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1542         input arguments and the mode of return value.  Built-in functions
1543         that operate on whole 64-bit MMX register now use V1DI mode.
1544
1545 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1546             Olga Golovanevsky  <olga@il.ibm.com>
1547
1548         PR tree-optimization/35041
1549         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1550         to locate the right position in a statement.
1551
1552 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1553
1554         PR target/34000
1555         PR target/35553
1556         * config/i386/xmmintrin.h:  Change all static inline functions to
1557         extern inline and add __gnu_inline__ attribute.
1558         * config/i386/bmintrin.h: Ditto.
1559         * config/i386/smmintrin.h: Ditto.
1560         * config/i386/tmmintrin.h: Ditto.
1561         * config/i386/mmintrin-common.h: Ditto.
1562         * config/i386/ammintrin.h: Ditto.
1563         * config/i386/emmintrin.h: Ditto.
1564         * config/i386/pmmintrin.h: Ditto.
1565         * config/i386/mmintrin.h: Ditto.
1566         * config/i386/mm3dnow.h: Ditto.
1567
1568 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1569
1570         PR middle-end/35185
1571         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1572         (lower_omp_2): New function.
1573         (lower_omp_1, lower_omp): Rewritten.
1574
1575 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1576
1577         PR 35054
1578         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1579         with the phrase "Microsoft Windows compilers".
1580         (Push/Pop Macro Pragmas): New subsection. Document
1581         #pragma push_macro and pragma pop_macro.
1582
1583 2008-03-12  Paul Brook  <paul@codesourcery.com>
1584
1585         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1586
1587 2008-03-12  Paul Brook  <paul@codesourcery.com>
1588
1589         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1590         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1591         (thumb2_addsi_shortim): Rename ...
1592         (thumb2_addsi_short): ... to this.  Allow register operands.
1593         (thumb2_subsi_short): New pattern.
1594         (thumb2_one_cmplsi2_short,
1595         thumb2_negsi2_short): New patterns and peepholes.
1596
1597 2008-03-12  Paul Brook  <paul@codesourcery.com>
1598
1599         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1600
1601 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1602
1603         * config/i386/i386.md (int_cond): New code iterator.
1604         (fp_cond): Ditto.
1605         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1606         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1607         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1608         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1609         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1610         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1611         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1612         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1613
1614 2008-03-12  Paul Brook  <paul@codesourcery.com>
1615
1616         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1617         instead of {arm,thumb}_compute_save_reg_mask.
1618         (output_return_instruction): Ditto.
1619         (thumb_unexpanded_epilogue): Ditto.
1620         (thumb1_expand_prologue): Ditto.
1621         (thumb1_output_function_prologue): Ditto.
1622         (arm_set_return_address): Ditto.
1623         (thumb_set_return_address): Ditto.
1624         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1625         regs to achieve stack alignment.
1626         (thumb1_compute_save_reg_mask): Fix compiler warning.
1627         (arm_output_epilogue): Use offsets->saved_regs_mask.
1628         Adjust stack pointer by poping call clobered registers.
1629         (arm_expand_prologue): Use offsets->saved_regs_mask.
1630         Adjust stack pointer by pushing extra registers.
1631         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1632
1633 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1634
1635         PR tree-opt/35422
1636         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1637         conversion to the operands of a multiplication.
1638
1639 2008-03-12  Richard Guenther  <rguenther@suse.de>
1640
1641         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1642         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1643         * timevar.def (TV_TREE_PHIPROP): Add.
1644         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1645         pass description.  Use TV_TREE_PHIPROP.
1646         * tree-ssa-forwprop.c: Remove phiprop code.
1647
1648 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1649
1650         PR middle-end/35549
1651         * omp-low.c (maybe_lookup_decl): Constify first argument.
1652         (use_pointer_for_field): Change last argument from bool to
1653         omp_context *.  Disallow shared copy-in/out in nested
1654         parallel if decl is shared in outer parallel too.
1655         (build_outer_var_ref, scan_sharing_clauses,
1656         lower_rec_input_clauses, lower_copyprivate_clauses,
1657         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1658
1659 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1660             Ira Rosen  <irar@il.ibm.com>
1661
1662         * tree-vectorizer.c (free_stmt_vec_info): New function.
1663         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1664         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1665         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1666         * tree-vect-transform.c (vectorizable_conversion): Free
1667         vec_oprnds0 if it was allocated.
1668         (vect_permute_store_chain): Remove unused VECs.
1669         (vectorizable_store): Free VECs that are allocated in the..
1670         function.
1671         (vect_transform_strided_load, vectorizable_load): Likewise.
1672         (vect_remove_stores): Simplify the code.
1673         (vect_transform_loop): Move code to vect_remove_stores().
1674         Call vect_remove_stores() and free_stmt_vec_info().
1675
1676 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1677
1678         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1679         TARGET_HPUX.  Revise comment.
1680         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1681         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1682         Use sr4 variant of `be' instruction when not generating PIC code.
1683         (attr_length_call): Adjust for above change.
1684
1685 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1686
1687         * ipa-reference.c (static_execute): Remove module_statics_const and
1688         associated setting code.
1689
1690 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1691
1692         PR target/35540
1693         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1694         predicate for operand 1.
1695         (paritysi2_cmp): Use register_operand predicate for operand 2.
1696         Use earlyclobber modifier for operand 1.  Remove support for
1697         memory operands.
1698         (paritydi2_cmp): Use register_operand predicate for operand 3.
1699         Use earlyclobber modifier for operand 1.  Remove support for
1700         memory operands.
1701
1702 2008-03-11  Paul Brook  <paul@codesourcery.com>
1703             Vladimir Prus  <vladimir@codesourcery.com>
1704
1705         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1706         (arm_compute_save_reg0_reg12_mask): Always
1707         check if register 11 must be saved.  Always safe hard frame pointer
1708         when frame_pointer_needeed.
1709         (arm_compute_save_reg_mask): Save IP and PC
1710         only with apcs frames.
1711         (arm_output_epilogue): Adjust Thumb2 codepath to
1712         be also invoked and work for ARM non-apcs frames.
1713         (arm_expand_prologue): Don't bother saving IP
1714         for non-apcs frame, since it's not clobbered by
1715         prologue code.  Implement non-apcs frame
1716         layout.
1717
1718 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1719
1720         PR rtl-optimization/35281
1721         * expr.c (convert_move): Use a new pseudo for the intermediate
1722         from_mode->word_mode result.
1723
1724 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1725
1726         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1727         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1728         * toplev.c (compile_file): Don't call it.
1729
1730 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1731
1732         PR middle-end/35526
1733         * expr.c (store_expr): Call emit_block_move if the mode
1734         of "temp" RTX is BLKmode.
1735
1736 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1737             Richard Guenther  <rguenther@suse.de>
1738
1739         PR tree-optimization/31358
1740         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1741         the step with a NULL_TREE.
1742         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1743         to sizetype if type is a pointer type.
1744         (add_candidate_1): Don't convert the base and step to
1745         the generic type if the orginal type is a pointer type.
1746         (add_iv_value_candidates): Use sizetype for the step
1747         if type is a pointer type.
1748         (cand_value_at): Likewise.
1749         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1750         for pointer types.
1751         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1752         Don't convert the tem affine to the type.
1753         (add_elt_to_tree): Use sizetype for the step if a pointer.
1754         Use POINTER_PLUS_EXPR for pointers.
1755         (aff_combination_to_tree): Use sizetype for the step if a
1756         pointer.
1757
1758 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1759
1760         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1761         Remove commutativity hint.
1762
1763 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1764
1765         PR c/35438
1766         PR c/35439
1767         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1768         errorneous type.  Check that v is a VAR_DECL.
1769
1770         PR middle-end/35099
1771         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1772
1773 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1774
1775         PR tree-optimization/35494
1776         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1777         may be overriden at link and run time.
1778
1779 2008-03-10  Richard Guenther  <rguenther@suse.de>
1780
1781         PR tree-optimization/34677
1782         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1783         (poolify_tree): Likewise.
1784         (modify_expr_template): Likewise.
1785         (poolify_modify_stmt): Likewise.
1786         (insert_fake_stores): Handle all component-ref style stores
1787         in addition to INDIRECT_REF.  Also handle complex types.
1788         Do not poolify the inserted load.
1789         (realify_fake_stores): Do not rebuild the tree but only
1790         make it a SSA_NAME copy.
1791         (init_pre): Remove initialzation of modify_expr_template.
1792         Do not allocate modify_expr_node_pool.
1793         (fini_pre): Do not free modify_expr_node_pool.
1794
1795 2008-03-10  Paul Brook  <paul@codesourcery.com>
1796
1797         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1798         to avoid conflicts.
1799
1800 2008-03-10  Paul Brook  <paul@codesourcery.com>
1801             Mark Shinwell  <shinwell@codesourcery.com>
1802
1803         * config/arm/cortex-r4.md: New.
1804         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1805         insn attributes.
1806         * config/arm/arm.md: Include cortex-r4.md.
1807         (insn): Add smmls, sdiv and udiv values.
1808         (generic_sched): Don't use generic scheduling for Cortex-R4.
1809         (arm_issue_rate): New function.
1810         (TARGET_SCHED_ISSUE_RATE): Define.
1811
1812 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1815
1816 2008-03-10  Richard Guenther  <rguenther@suse.de>
1817
1818         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1819         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1820
1821 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1822
1823         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1824         Set default to true.
1825
1826 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1827
1828         * c.opt (Wsynth): Deprecate.
1829         * doc/invoke.texi (Option Summary, Warning Options): Document
1830         -Wno-format-contains-nul.
1831
1832 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1833
1834         PR target/35496
1835         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1836         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1837
1838 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1839
1840         * config/rs6000/rs6000.c (builtin_description): Rename vector
1841         left shift operations.
1842         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1843         (altivec_vsl<VI_char>): Rename to ...
1844         (ashl<mode>3): ... new name.
1845         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1846         gen_ashlv4si3.
1847         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1848
1849 2008-03-08  Richard Guenther  <rguenther@suse.de>
1850
1851         * coverage.h (tree_coverage_counter_addr): Declare.
1852         * coverage.c (tree_coverage_counter_addr): New function.
1853         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1854         before using again.
1855         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1856         (tree_gen_one_value_profiler): Likewise.
1857         (tree_gen_ic_profiler): Likewise.
1858         (tree_gen_average_profiler): Likewise.
1859         (tree_gen_ior_profiler): Likewise.
1860
1861 2008-03-08  Richard Guenther  <rguenther@suse.de>
1862
1863         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1864         (vn_binary_op_insert): Likewise.
1865         (vn_unary_op_lookup): Likewise.
1866         (vn_unary_op_insert): Likewise.
1867         (vn_nary_op_lookup): Declare.
1868         (vn_nary_op_insert): Likewise.
1869         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1870         and binary hashes, use a single obstack for unary_op_pool
1871         and binary_op_pool.
1872         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1873         a single struct vn_nary_op_s.  Store tree code length and
1874         a variable number of operands.
1875         (struct vn_reference_op_struct): Remove unused op2.
1876         (vn_reference_op_eq): Do not compare op2.
1877         (vn_reference_op_compute_hash): Do not compute hash of op2.
1878         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1879         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1880         with vn_nary_op_compute_hash.
1881         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1882         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1883         vn_nary_op_lookup.
1884         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1885         vn_nary_op_insert.
1886         (visit_unary_op): Call nary functions.
1887         (visit_binary_op): Likewise.
1888         (process_scc): Adjust for struct vn_tables_s changes.
1889         (allocate_vn_table): Likewise.
1890         (free_vn_table): Likewise.
1891         * tree-vn.c (vn_add): Call nary functions.
1892         (vn_lookup): Likewise.
1893
1894 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1895
1896         PR target/35498
1897         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1898         wdst back after sync_compare_and_swapqhi_internal.
1899
1900 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1901
1902         PR target/22152
1903         * config/i386/i386-modes.def (V1DI): New vector mode.
1904         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1905         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1906         (MMXMODE248): Ditto.
1907         (MMXMODE): Add V1DI mode.
1908         (mmxvecsize): Change DI mode to V1DI mode.
1909         ("mov<mode>): Use MMXMODEI8 mode iterator.
1910         ("*mov<mode>_internal_rex64"): Ditto.
1911         ("*mov<mode>_internal"): Ditto.
1912         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1913         ("mmx_sub<mode>3"): Ditto.
1914         ("mmx_adddi3"): Remove insn pattern.
1915         ("mmx_subdi3"): Ditto.
1916         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1917         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1918         ("mmx_ashl<mode>3"): Ditto.
1919         ("mmx_lshrdi3"): Remove insn pattern.
1920         ("mmx_ashldi3"): Ditto.
1921         * config/i386/i386.c (classify_argument): Handle V1DImode.
1922         (function_arg_advance_32): Ditto.
1923         (function_arg_32): Ditto.
1924         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1925         mmx_addv1di3 insn pattern.
1926         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1927         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1928         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1929         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1930         Remove definitions of built-in functions.
1931         (V1DI_type_node): New node.
1932         (v1di_ftype_v1di_int): Ditto.
1933         (v1di_ftype_v1di_v1di): Ditto.
1934         (v2si_ftype_v2si_si): Ditto.
1935         (v4hi_ftype_v4hi_di): Remove node.
1936         (v2si_ftype_v2si_di): Ditto.
1937         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1938         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1939         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1940         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1941         Add new builtins using def_builtin_const.
1942         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1943         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1944         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1945         * config/i386/mmintrin.h (__v1di): New typedef.
1946         (_mm_add_si64): Cast arguments to __v1di type.
1947         (_mm_sub_si64): Ditto.
1948         (_mm_sll_pi16): Cast __count to __v4hi type.
1949         (_mm_sll_pi32): Cast __count to __v2si type.
1950         (_mm_sll_si64): Cast arguments to __v1di type.
1951         (_mm_srl_pi16): Cast __count to __v4hi type.
1952         (_mm_srl_pi32): Cast __count to __v2si type.
1953         (_mm_srl_si64): Cast arguments to __v1di type.
1954         (_mm_sra_pi16): Cast __count to __v4hi type.
1955         (_mm_sra_pi32): Cast __count to __v2si type.
1956         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1957         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1958         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1959         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1960         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1961         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1962         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1963         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1964         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1965         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1966         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1967         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1968
1969 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1970
1971         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1972
1973 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1974
1975         PR target/35373
1976         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1977         reg+const addressing for Altivec modes.  Don't generate reg+reg
1978         addressing for TFmode or TDmode quantities.
1979
1980 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1981
1982         * c-common.c (vector_types_convertible_p): Call langhook
1983         instead of comptypes.
1984
1985 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1986
1987         PR tree-opt/35402
1988         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1989         integral and scalar float variables which have a
1990         NULL DECL_INITIAL.
1991
1992 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1993
1994         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1995         dwarf_register_span hook when emitting unwind information for
1996         register-to-memory saves.
1997         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1998         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1999
2000 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2001
2002         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2003         for the same VAR_DECL.
2004
2005 2008-03-06  Tom Tromey  <tromey@redhat.com>
2006
2007         * treelang: Delete.
2008         * doc/standards.texi (Standards): Don't mention treelang.
2009         * doc/invoke.texi (Overall Options): Don't mention treelang.
2010         * doc/install.texi (Prerequisites): Don't mention bison or
2011         treelang.
2012         (Configuration): Don't mention treelang.
2013         (Building): Likewise.
2014         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2015
2016 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2017
2018         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2019         word-extractions out of a multi-word object.
2020
2021 2008-03-06  Richard Guenther  <rguenther@suse.de>
2022
2023         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2024         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2025         result type and precision.
2026         * expr.c (get_inner_reference): Set unsignedp based on the result
2027         type of BIT_FIELD_REF.
2028         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2029         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2030         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2031         for BIT_FIELD_REF.
2032         (sra_build_assignment): Likewise.
2033         (sra_build_elt_assignment): Likewise.
2034         (sra_explode_bitfield_assignment): Likewise.
2035         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2036         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2037         set BIT_FIELD_REF_UNSIGNED.
2038         (vectorizable_load): Likewise.
2039
2040 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2041
2042         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2043         at bb start.
2044
2045 2008-03-06  Richard Guenther  <rguenther@suse.de>
2046
2047         * alias.c (struct alias_set_entry): Move has_zero_child field
2048         to pack with alias_set.
2049
2050 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2051
2052         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2053         32bit host.
2054
2055 2008-03-05  Ian Lance Taylor  <iant@google.com>
2056
2057         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2058
2059 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2060
2061         * fwprop.c (update_df): Support width and offset parameters of
2062         df_ref_create.
2063         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2064         global_conflicts): Change DF_REF_EXTRACT to either
2065         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2066         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2067         * df-scan.c (df_ref_record, df_defs_record,
2068         df_ref_create_structure, df_def_record_1, df_uses_record,
2069         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2070         df_bb_refs_collect, df_entry_block_defs_collect,
2071         df_exit_block_uses_collect): Support new width and offset fields.
2072         (ref_extract_pool): New storage pool.
2073         (df_free_ref): New function.
2074         (df_reg_chain_unlink, df_free_collection_rec,
2075         df_sort_and_compress_refs): Call df_free_ref.
2076         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2077         of df_ref_extract.
2078         (df_ref_create_structure): Allocate df_ref_extract if offset and
2079         width fields are used.
2080         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2081         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2082         and SIGN_EXTRACT.
2083         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2084         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2085         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2086         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2087         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2088         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2089         (df_ref_extract): New structure.
2090         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2091         (df_ref_create): Add width and offset parameters.
2092         
2093 2008-03-05  Richard Guenther  <rguenther@suse.de>
2094
2095         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2096         Use ranges_overlap_p.
2097         (offset_overlaps_with_access): Rename
2098         to ranges_overlap_p and move ...
2099         * tree-flow-inline.h (ranges_overlap_p): ... here.
2100
2101         * tree.h (get_inner_reference, handled_component_p): Update
2102         comments.
2103
2104         * tree.h (record_component_aliases, get_alias_set,
2105         alias_sets_conflict_p, alias_sets_must_conflict_p,
2106         objects_must_conflict_p): Move declarations ...
2107         * alias.h (record_component_aliases, get_alias_set,
2108         alias_sets_conflict_p, alias_sets_must_conflict_p,
2109         objects_must_conflict_p): ... here.
2110         Include coretypes.h.
2111         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2112
2113 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2114
2115         * cfg.c: Include tree-flow.h.
2116         (remove_edge_raw): Call redirect_edge_var_map_clear.
2117         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2118         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2119         (redirect_edge_var_map_result): New.
2120         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2121         PENDING_STMT use with redirect_edge_var_map_*.
2122         * tree-ssa.c (edge_var_maps): New definition.
2123         (redirect_edge_var_map_add): New.
2124         (redirect_edge_var_map_clear): New.
2125         (redirect_edge_var_map_dup): New.
2126         (redirect_edge_var_map_vector): New.
2127         (redirect_edge_var_map_destroy): New.
2128         (ssa_redirect_edge): Replace PENDING_STMT use with
2129         redirect_edge_var_map_*.
2130         (flush_pending_stmts): Same.
2131         (delete_tree_ssa): Destroy edge var map.
2132         * tree-flow.h (struct _edge_var_map): New.
2133         Define edge_var_map vector type.
2134         Declare redirect_edge_var_map_* prototypes.
2135         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2136         * tree-cfg.c (reinstall_phi_args): Replace
2137         PENDING_STMT use with redirect_edge_var_map_*.
2138
2139 2008-03-05  Richard Guenther  <rguenther@suse.de>
2140
2141         PR tree-optimization/35472
2142         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2143         whose single use_stmt has a overlapping set of loaded and
2144         stored symbols as that use_stmt might be a noop assignment then.
2145
2146 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2147
2148         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2149
2150 2008-03-05  Richard Guenther  <rguenther@suse.de>
2151
2152         PR c++/35336
2153         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2154         should be constants.
2155         * tree-cfg.c (verify_expr): Verify it.
2156         * fold-const.c (fold_truthop): Remove code generating
2157         BIT_FIELD_REFs of structure bases.
2158         (fold_binary): Likewise.
2159         (fold_ternary): Position and size of BIT_FIELD_REFs are
2160         always host integers.
2161         (make_bit_field_ref): Remove.
2162         (optimize_bit_field_compare): Remove.
2163         (all_ones_mask_p): Remove.
2164
2165 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2166
2167         PR gcc/33009
2168         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2169         (split_block_and_df_analyze): New. Split basic block and rebuild
2170         dataflow.
2171         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2172         SPLIT_BLOCK.
2173         (split_pattern_seq): Likewise.
2174         (erase_matching_seqs): Likewise.
2175         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2176
2177 2008-03-04  Geoff Keating  <geoffk@apple.com>
2178
2179         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2180         declaration and code.
2181         (tree_invalid_nonnegative_warnv_p): Likewise.
2182
2183 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2184
2185         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2186         examples.  Truncate option-names then causing overfull hbox.
2187
2188 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2189
2190         PR target/35222
2191         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2192         on hpux10.
2193         * configure: Rebuilt.
2194
2195 2008-03-04  Rafael Espindola  <espindola@google.com>
2196
2197         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2198         (tree_unary_nonnegative_warnv_p): New.
2199         (tree_binary_nonnegative_warnv_p): New.
2200         (tree_single_nonnegative_warnv_p): New.
2201         (tree_invalid_nonnegative_warnv_p): New.
2202         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2203
2204 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2205
2206         PR 28322
2207         * opts.c (handle_option): Postpone 'unknown option' errors only for
2208         warning options.
2209
2210 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2211
2212         PR target/35453
2213         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2214         (_SIDD_XXX): This.
2215
2216 2008-03-04  Rafael Espindola  <espindola@google.com>
2217
2218         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2219         (tree_binary_nonzero_warnv_p): New.
2220         (tree_single_nonzero_warnv_p): New.
2221         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2222
2223 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2224
2225         PR middle-end/35456
2226         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2227         transformations for modes that have signed zeros.
2228         * ifcvt.c (noce_try_abs): Ditto.
2229
2230 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2231
2232         * config/i386/i386.c (override_options): Force
2233         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2234
2235 2008-03-04  Jan Hubicka  <jh@suse.cz>
2236
2237         PR c++/35262
2238         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2239         in last commit.
2240
2241 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2242
2243         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2244         label to probe the stack.
2245
2246 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2247
2248         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2249         (__gthr_win32_mutex_destroy): Declare.
2250         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2251         __gthr_win32_mutex_destroy.
2252         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2253
2254 2008-03-03  Jan Hubicka  <jh@suse.cz>
2255
2256         PR c++/35262
2257         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2258         aggressive on inlining cold calls.
2259
2260 2008-03-03  Richard Guenther  <rguenther@suse.de>
2261
2262         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2263         struct copies into the expression table.
2264         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2265         (try_to_simplify): Likewise.
2266         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2267         integral and pointer arguments which do not change the
2268         precision to NOP_EXPRs.
2269         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2270         VIEW_CONVERT_EXPR case.
2271
2272 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2273
2274         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2275         defined in a loop at depth 0 is invariant.
2276         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2277         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2278         be called at loop depth 0.
2279
2280 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2281
2282         PR driver/35420
2283         * gcc.c (process_command): Update copyright notice dates.
2284         * gcov.c (print_version): Likewise.
2285         * gcov-dump.c (print_version): Likewise.
2286         * mips-tfile.c (main): Likewise.
2287         * mips-tdump.c (main): Likewise.
2288
2289 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2290
2291         PR 24924
2292         * c-common.c (flag_permissive): Delete.
2293         (constant_expression_warnings): Check flags first.
2294         (constant_expression_error): New.
2295         * c-common.h (flag_permissive): Delete.
2296         (constant_expression_error): Declare.
2297         * flags.h (flag_permissive): Declare. Update description.
2298         * diagnostic.c (pedwarn): Update.
2299         (permerror): New.
2300         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2301         (permissive_error_kind): New.
2302         * toplev.c (flag_permissive): Define. Update description.
2303         * toplev.h (permissive_error_kind): Declare.
2304         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2305         (pedwarn_c90): Use pedantic_warning_kind.
2306         * c-opts.c (c_common_post_options): flag_permissive does not affect
2307         flag_pedantic_errors.
2308
2309 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2310
2311         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2312         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2313         __absvsi2, __absvDI2): Use unsigned arithmetic.
2314
2315 2008-03-02  Andi Kleen  <ak@suse.de>
2316             Richard Guenther  <rguenther@suse.de>
2317
2318         * struct-equiv.c: Remove file.
2319         * cfg_cleanup.c (condjump_equiv_p): Remove.
2320         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2321         (struct-equiv.o): Remove rule.
2322         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2323         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2324         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2325
2326 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2327
2328         * ifcvt.c (noce_process_if_block): Try to handle only the then
2329         block if the else block exists but isn't suitable.
2330
2331 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2332
2333         PR gcc/35063
2334         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2335         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2336         regression from previous patch.
2337
2338 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2339
2340         PR gcc/35063
2341         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2342         implemented.
2343         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2344         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2345         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2346         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2347         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2348         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2349         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2350         (__gthread_mutex_destroy_function): Rename to
2351         __gthread_mutex_destroy.
2352         * gthr-dce.h (__gthread_mutex_destroy): Call
2353         pthread_mutex_destroy.
2354         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2355         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2356         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2357
2358 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2359
2360         * df-scan.c (df_ref_chain_change_bb): Simplify.
2361         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2362         set_block_for_insn if there's any change.
2363         * df.h ((df_insn_change_bb): Fix prototype.
2364         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2365         df_insn_change_bb, don't call set_block_for_insn.
2366         * emit-rtl.c (reorder_insns): Likewise.
2367         * haifa-sched.c (move_insn): Likewise.
2368
2369 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2370
2371         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2372
2373 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2374
2375         * tree-flow-inline.h (next_readonly_imm_use): Return
2376         NULL_USE_OPERAND_P after the end.
2377
2378 2008-03-01  Richard Guenther  <rguenther@suse.de>
2379
2380         PR tree-optimization/35411
2381         * tree-sra.c (sra_build_assignment): Split conversion to
2382         final type to a separate statement if we are not assigning
2383         to a register.
2384
2385 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2386
2387         * fold-const.c (fold_convertible_p): Correct the logic to follow
2388         that in fold_convert().
2389
2390 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2391
2392         PR c++/35315
2393         * tree-inline.c (build_duplicate_type): When we make a
2394         duplicate type, make it unique in the canonical types system.
2395
2396 2008-02-29  Tom Tromey  <tromey@redhat.com>
2397
2398         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2399         input_file_stack_history, input_file_stack_restored): Remove.
2400         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2401         * input.h (struct file_stack): Remove.
2402         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2403         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2404         Likewise.
2405         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2406         type.
2407         (diagnostic_last_module_changed): Add 'map' argument.
2408         (diagnostic_set_last_function): Likewise.
2409         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2410         line map, not input_file_stack.
2411         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2412
2413 2008-02-29  Paul Brook  <paul@codesourcery.com>
2414
2415         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2416
2417 2008-02-29  Paul Brook  <paul@codesourcery.com>
2418
2419         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2420
2421 2008-02-29  Richard Guenther  <rguenther@suse.de>
2422
2423         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2424         vn_lookup_or_add.
2425         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2426         value for comparing for a store match.
2427         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2428         (try_to_simplify): Do not do a full-blown reference lookup.
2429
2430 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2431
2432         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2433         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2434
2435         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2436
2437 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2438
2439         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2440         strides against cache sizes.
2441
2442 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2443
2444         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2445         constant to fpul.
2446
2447 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2448
2449         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2450         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2451         is smaller than the original promoted value.
2452         (simplify_subreg): If OP is a SUBREG, try to preserve its
2453         SUBREG_PROMOTED_VAR_P information.
2454
2455 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2456
2457         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2458         (VN_INFO_GET): Allocate new objects on the obstack.
2459         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2460         for rpo_numbers_temp, for consistency.
2461         (free_scc_vn): Free the obstack.
2462
2463 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2464
2465         * doc/invoke.texi: Document -ftree-loop-distribution.
2466         * tree-loop-distribution.c: New.
2467         * tree-pass.h (pass_loop_distribution): New.
2468         * graphds.h (struct graph): Add htab_t indices.
2469         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2470         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2471         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2472         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2473         * tree-data-ref.c (debug_data_dependence_relations): New.
2474         (dump_data_dependence_relation): Also print data references.
2475         (free_data_ref): Extern.
2476         (same_access_functions): Moved...
2477         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2478         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2479         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2480         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2481         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2482         (stmts_from_loop): Skip LABEL_EXPR.
2483         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2484         New.
2485         (build_rdg): Initialize rdg->indices htab.
2486         (free_rdg, stores_from_loop, ref_base_address,
2487         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2488         have_similar_memory_accesses_1, ref_base_address_1,
2489         remove_similar_memory_refs): New.
2490         * tree-data-ref.h: Depend on tree-chrec.h.
2491         (debug_data_dependence_relations, free_data_ref): Declared.
2492         (same_access_functions): ... here.
2493         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2494         New.
2495         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2496         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2497         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2498         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2499         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2500         rdg_vertex_for_stmt): Declared.
2501         (struct rdg_edge): Add level.
2502         (RDGE_LEVEL): New.
2503         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2504         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2505         Declared.
2506         (rdg_has_similar_memory_accesses): New.
2507         * tree-vect-analyze.c: Remove unused static decls.
2508         * lambda.h (dependence_level): New.
2509         * common.opt (ftree-loop-distribution): New.
2510         * tree-flow.h (mark_virtual_ops_in_bb, 
2511         slpeel_tree_duplicate_loop_to_edge_cfg,
2512         rename_variables_in_loop): Declared.
2513         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2514         (OBJS-common): Add tree-loop-distribution.o.
2515         (tree-loop-distribution.o): New rule.
2516         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2517         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2518         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2519
2520 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2521
2522         PR target/33963
2523         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2524         other than structures and unions.
2525
2526 2008-02-28  Richard Guenther  <rguenther@suse.de>
2527
2528         Revert:
2529         2008-02-26  Richard Guenther  <rguenther@suse.de>
2530
2531         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2532         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2533         (lookup_decl_from_uid): Declare.
2534         (remove_decl_from_map): Likewise.
2535         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2536         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2537         (decl_for_uid_map): New global hashtable mapping DECL_UID
2538         to the decl tree.
2539         (init_ttree): Allocate it.
2540         (insert_decl_to_uid_decl_map): New helper function.
2541         (make_node_stat): Insert new decls into the map.
2542         (copy_node_stat): Likewise.
2543         (lookup_decl_from_uid): New function.
2544         (remove_decl_from_map): Likewise.
2545         (print_decl_for_uid_map_statistics): New helper.
2546         (dump_tree_statistics): Call it.
2547
2548         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2549         (referenced_var_iterator): Adjust.
2550         (FOR_EACH_REFERENCED_VAR): Adjust.
2551         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2552         (num_referenced_vars): Adjust.
2553         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2554         (first_referenced_var): Remove.
2555         (end_referenced_vars_p): Likewise.
2556         (next_referenced_var): Likewise.
2557         (referenced_var_iterator_set): New helper function.
2558         * tree-dfa.c (referenced_var_lookup): Adjust.
2559         (referenced_var_check_and_insert): Likewise.
2560         (remove_referenced_var): Likewise.
2561         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2562         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2563         (verify_call_clobbering): Likewise.
2564         (verify_memory_partitions): Likewise.
2565         (init_tree_ssa): Allocate bitmap instead of hashtable for
2566         referenced_vars.
2567         (delete_tree_ssa): Adjust.
2568         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2569         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2570         (compute_tag_properties): Likewise.
2571         (set_initial_properties): Likewise.
2572         (find_partition_for): Likewise.
2573         (update_reference_counts): Likewise.
2574         (dump_may_aliases_for): Likewise.
2575         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2576         (add_call_clobber_ops): Likewise.
2577         (add_call_read_ops): Likewise.
2578         (get_asm_expr_operands): Likewise.
2579         * tree-into-ssa.c (dump_decl_set): Likewise.
2580         (update_ssa): Likewise.
2581         * tree-sra.c (scan_function): Likewise.
2582         (decide_instantiations): Likewise.
2583         (scalarize_parms): Likewise.
2584         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2585         (dsa_named_for): Likewise.
2586         * tree-ssa-structalias.c (update_alias_info): Likewise.
2587         (merge_smts_into): Likewise.
2588
2589 2008-02-27  David Daney  <ddaney@avtrex.com>
2590
2591         PR target/34409
2592         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2593         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2594         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2595         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2596         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2597
2598 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2599
2600         PR target/25477
2601         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2602         (BUILT_IN_NEXTTOWARD): Remove.
2603         (BUILT_IN_NEXTTOWARDF): Ditto.
2604         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2605         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2606
2607 2008-02-27  Tom Tromey  <tromey@redhat.com>
2608
2609         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2610         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2611
2612 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2613
2614         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2615         update the respective field on newdecl.
2616
2617 2008-02-27  Revital Eres  <eres@il.ibm.com>
2618
2619         PR rtl-optimization/34999
2620         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2621         crossing edges that ends with a call insn.
2622         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2623         call insn and clear the EDGE_CROSSING flag of the crossing edge
2624         when fixing fallthru edges.
2625
2626 2008-02-27  Richard Guenther  <rguenther@suse.de>
2627
2628         PR middle-end/35390
2629         * fold-const.c (fold_unary): Return the correct argument,
2630         converted to the result type.
2631
2632 2008-02-27  Richard Guenther  <rguenther@suse.de>
2633
2634         PR middle-end/34971
2635         * expr.c (expand_expr_real_1): Assert on rotates that operate
2636         on partial modes.
2637         * fold-const.c (fold_binary): Use the types precision, not the
2638         bitsize of the mode if folding rotate expressions.  Build rotates
2639         only for full modes.
2640
2641 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2642
2643         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2644         and CPP_PRAGMA_EOL.
2645         * c-pragma.c (pragma_ns_name): New typedef.
2646         (registered_pp_pragmas): New variable.
2647         (c_pp_lookup_pragma): New function.
2648         (c_register_pragma_1): If flag_preprocess_only, do nothing
2649         for non-expanded pragmas, for expanded ones push pragma's
2650         namespace and name into registered_pp_pragmas vector.
2651         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2652         flag_preprocess_only, don't register GCC pch_preprocess
2653         pragma if flag_preprocess_only.
2654         * c-opts.c (c_common_init): Call init_pragma even if
2655         flag_preprocess_only.
2656         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2657         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2658         cpp_register_pragma if flag_preprocess_only.
2659
2660 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2661
2662         PR c/28800
2663         * c-parser.c (c_parser_translation_unit): Warn for empty
2664         translation unit, not empty source file.
2665
2666 2008-02-26  Paul Brook  <paul@codesourcery.com>
2667
2668         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2669         operand for Thumb-2.
2670         * config/arm/arm.h (reg_class): Add CORE_REGS.
2671         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2672         (BASE_REG_CLASS): Use CORE_REGS.
2673         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2674         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2675         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2676         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2677         ARM_REGNO_OK_FOR_INDEX_P.
2678         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2679         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2680         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2681         (ldm/stm peepholes): Ditto.
2682         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2683         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2684         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2685         * config/arm/constraints.md: Enable "k" constraint on ARM.
2686
2687 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2688
2689         * config/rs6000/rs6000.c: Annotate cache line size field in all
2690         instances of struct processor_costs.
2691
2692 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2693
2694         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2695         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2696         jump_bypass): New counters.
2697         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2698         * dce.c (gate_ud_dce): Same.
2699         (gate_fast_dce): Same.
2700         * dse.c (gate_dse1): New function.
2701         (gate_dse2): New function.
2702         (gate_dse): Merge results of new gate functions.
2703         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2704         (gate_handle_jump_bypass): Add dbg_cnt.
2705         (gate_handle_gcse): Add dbg_cnt.
2706         * ifcvt.c (gate_handle_if_conversion): Same.
2707         (gate_handle_if_after_combine): Same.
2708         (gate_handle_if_after_reload): Same.
2709         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2710
2711 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2712
2713         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2714         line sizes.
2715         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2716
2717 2008-02-26  Jason Merrill  <jason@redhat.com>
2718
2719         PR c++/35315
2720         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2721         alone if it's the naming decl for the type's main variant.
2722
2723 2008-02-26  Tom Tromey  <tromey@redhat.com>
2724
2725         * system.h (USE_MAPPED_LOCATION): Poison.
2726         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2727         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2728         (make_goto_expr_edges): Likewise.
2729         (remove_bb): Likewise.
2730         (execute_warn_function_return): Likewise.
2731         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2732         location_t.
2733         * c-common.c (fname_decl): Remove old location code.
2734         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2735         location code.
2736         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2737         variant.
2738         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2739         (gen_rtx_ASM_INPUT): Likewise.
2740         (gen_rtx_ASM_INPUT_loc): Likewise.
2741         (get_rtx_asm_OPERANDS): Remove.
2742         * cfglayout.c (insn_locators_alloc): Remove old location code.
2743         (set_curr_insn_source_location): Likewise.
2744         (curr_insn_locator): Likewise.
2745         * print-tree.c (print_node): Remove old location code.
2746         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2747         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2748         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2749         location_from_locus.
2750         (construct_exit_block): Remove old location code.
2751         * emit-rtl.c (force_next_line_note): Remove old location code.
2752         * profile.c (branch_prob): Remove old location code.
2753         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2754         LOC_LINE): Remove old-location variants.
2755         * langhooks.c (lhd_print_error_function): Remove old location
2756         code.
2757         * configure, config.in: Rebuilt.
2758         * configure.ac (--enable-mapped-location): Remove.
2759         * c-decl.c (c_init_decl_processing): Remove old location code.
2760         (finish_function): Likewise.
2761         * recog.c (decode_asm_operands): Remove old location code.
2762         * c-pch.c (c_common_read_pch): Remove old location code.
2763         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2764         variants.
2765         * gimple-low.c (lower_function_body): Remove old location code.
2766         * toplev.c (unknown_location): Remove.
2767         (push_srcloc): Remove old-location variant.
2768         (process_options): Remove old location code.
2769         (lang_dependent_init): Likewise.
2770         * input.h (UNKNOWN_LOCATION): Move definition.
2771         (location_t): Undeprecate.
2772         (source_locus): Remove.
2773         (location_from_locus): Remove.
2774         (struct location_s): Remove.
2775         Remove all old-location code.
2776         (input_line, input_filename): Remove.
2777         * final.c (final_scan_insn): Remove old location code.
2778         * diagnostic.c (diagnostic_build_prefix): Remove
2779         USE_MAPPED_LOCATION test.
2780         * tree.h (gimple_stmt) <locus>: Now a location_t.
2781         (tree_exp) <locus>: Likewise.
2782         (DECL_IS_BUILTIN): Remove old-location variant.
2783         (annotate_with_file_line, annotate_with_locus): Likewise.
2784         (expr_locus, set_expr_locus): Update.
2785         * tree.c (build1_stat): Remove old location code.
2786         (last_annotated_node): Remove.
2787         (annotate_with_file_line): Remove old-location variant.
2788         (annotate_with_locus): Likewise.
2789         (expr_location): Remove old location code.
2790         (set_expr_location): Likewise.
2791         (expr_has_location): Likewise.
2792         (expr_locus): Likewise.
2793         (set_expr_locus): Likewise.
2794         (expr_filename): Don't use location_from_locus.
2795         (expr_lineno): Likewise.
2796         * rtl-error.c (location_for_asm): Remove old location code.
2797         * c-lex.c (cb_line_change): Remove old location code.
2798         (fe_file_change): Likewise.
2799         (cb_def_pragma): Likewise.
2800         (c_lex_with_flags): Likewise.
2801         * gengtype.c (do_typedef): Don't special-case location types.
2802         (define_location_structures): Remove.
2803         (main): Don't call define_location_structures.
2804         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2805         code.
2806
2807 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2808
2809         PR 26264
2810         * builtins.def (BUILT_IN_STDARG_START): Remove.
2811         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2812         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2813         * tree-inline.c (inline_forbidden_p_1): Likewise.
2814         
2815 2008-02-26  Richard Guenther  <rguenther@suse.de>
2816
2817         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2818         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2819         (lookup_decl_from_uid): Declare.
2820         (remove_decl_from_map): Likewise.
2821         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2822         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2823         (decl_for_uid_map): New global hashtable mapping DECL_UID
2824         to the decl tree.
2825         (init_ttree): Allocate it.
2826         (insert_decl_to_uid_decl_map): New helper function.
2827         (make_node_stat): Insert new decls into the map.
2828         (copy_node_stat): Likewise.
2829         (lookup_decl_from_uid): New function.
2830         (remove_decl_from_map): Likewise.
2831         (print_decl_for_uid_map_statistics): New helper.
2832         (dump_tree_statistics): Call it.
2833
2834         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2835         (referenced_var_iterator): Adjust.
2836         (FOR_EACH_REFERENCED_VAR): Adjust.
2837         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2838         (num_referenced_vars): Adjust.
2839         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2840         (first_referenced_var): Remove.
2841         (end_referenced_vars_p): Likewise.
2842         (next_referenced_var): Likewise.
2843         (referenced_var_iterator_set): New helper function.
2844         * tree-dfa.c (referenced_var_lookup): Adjust.
2845         (referenced_var_check_and_insert): Likewise.
2846         (remove_referenced_var): Likewise.
2847         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2848         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2849         (verify_call_clobbering): Likewise.
2850         (verify_memory_partitions): Likewise.
2851         (init_tree_ssa): Allocate bitmap instead of hashtable for
2852         referenced_vars.
2853         (delete_tree_ssa): Adjust.
2854         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2855         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2856         (compute_tag_properties): Likewise.
2857         (set_initial_properties): Likewise.
2858         (find_partition_for): Likewise.
2859         (update_reference_counts): Likewise.
2860         (dump_may_aliases_for): Likewise.
2861         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2862         (add_call_clobber_ops): Likewise.
2863         (add_call_read_ops): Likewise.
2864         (get_asm_expr_operands): Likewise.
2865         * tree-into-ssa.c (dump_decl_set): Likewise.
2866         (update_ssa): Likewise.
2867         * tree-sra.c (scan_function): Likewise.
2868         (decide_instantiations): Likewise.
2869         (scalarize_parms): Likewise.
2870         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2871         (dsa_named_for): Likewise.
2872         * tree-ssa-structalias.c (update_alias_info): Likewise.
2873         (merge_smts_into): Likewise.
2874
2875 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2876
2877         PR 34351
2878         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2879         * c-opts.c (c_common_handle_option): Wall enables
2880         Wvolatile-register-var.
2881         * common.opt: Move Wvolatile-register-var to...
2882         * c.opt: ...here.
2883         
2884 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2885
2886         * common.opt (Wlarger-than=): New.
2887         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2888         -Wlarger-than=.
2889         * opts.c (common_handle_option): Handle -Wlarger-than=.
2890         * optc-gen.awk: Likewise.
2891         * opth-gen.awk: Likewise.
2892         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2893         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2894         
2895 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2896
2897         * c-common.c (match_case_to_enum_1): Add appropriate
2898         OPT_W* parameter to warning.
2899         (c_do_switch_warnings): Likewise.
2900         * c-typeck.c (warning_init): Add one more parameter following
2901         'warning' function.
2902         (push_init_level): Update call to warning_init.
2903         (pop_init_level): Likewise.
2904         (add_pending_init): Likewise.
2905         (output_init_element: Likewise.
2906
2907 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2908
2909         PR 28322
2910         * toplev.c (toplev_main): If there are warnings or error, print
2911         errors for ignored options.
2912         * opts.c (ignored_options): New static variable.
2913         (postpone_unknown_option_error): New.
2914         (print_ignored_options): New.
2915         (handle_option): Postpone errors for unknown -Wno-* options.
2916         * opts.h (print_ignored_options): Declare.
2917         
2918 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2919
2920         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2921         to "ghost".
2922
2923 2008-02-25  Richard Guenther  <rguenther@suse.de>
2924
2925         Revert:
2926         2008-02-25  Richard Guenther  <rguenther@suse.de>
2927
2928         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2929         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2930         (lookup_decl_from_uid): Declare.
2931         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2932         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2933         (decl_for_uid_map): New global hashtable mapping DECL_UID
2934         to the decl tree.
2935         (init_ttree): Allocate it.
2936         (insert_decl_to_uid_decl_map): New helper function.
2937         (make_node_stat): Insert new decls into the map.
2938         (copy_node_stat): Likewise.
2939         (lookup_decl_from_uid): New function.
2940         (print_decl_for_uid_map_statistics): New helper.
2941         (dump_tree_statistics): Call it.
2942
2943         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2944         (referenced_var_iterator): Adjust.
2945         (FOR_EACH_REFERENCED_VAR): Adjust.
2946         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2947         (num_referenced_vars): Adjust.
2948         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2949         (first_referenced_var): Remove.
2950         (end_referenced_vars_p): Likewise.
2951         (next_referenced_var): Likewise.
2952         (referenced_var_iterator_set): New helper function.
2953         * tree-dfa.c (referenced_var_lookup): Adjust.
2954         (referenced_var_check_and_insert): Likewise.
2955         (remove_referenced_var): Likewise.
2956         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2957         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2958         (verify_call_clobbering): Likewise.
2959         (verify_memory_partitions): Likewise.
2960         (init_tree_ssa): Allocate bitmap instead of hashtable for
2961         referenced_vars.
2962         (delete_tree_ssa): Adjust.
2963         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2964         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2965         (compute_tag_properties): Likewise.
2966         (set_initial_properties): Likewise.
2967         (find_partition_for): Likewise.
2968         (update_reference_counts): Likewise.
2969         (dump_may_aliases_for): Likewise.
2970         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2971         (add_call_clobber_ops): Likewise.
2972         (add_call_read_ops): Likewise.
2973         (get_asm_expr_operands): Likewise.
2974         * tree-into-ssa.c (dump_decl_set): Likewise.
2975         (update_ssa): Likewise.
2976         * tree-sra.c (scan_function): Likewise.
2977         (decide_instantiations): Likewise.
2978         (scalarize_parms): Likewise.
2979         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2980         (dsa_named_for): Likewise.
2981         * tree-ssa-structalias.c (update_alias_info): Likewise.
2982         (merge_smts_into): Likewise.
2983
2984 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2985
2986         PR fortran/29549
2987         * doc/invoke.texi (-fcx-limited-range): Document new option.
2988         * toplev.c (process_options): Handle -fcx-fortran-rules.
2989         * common.opt: Add documentation for -fcx-fortran-rules.
2990
2991 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2992
2993         PR c/35162
2994         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2995         actual behaviour and C99.
2996         
2997 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2998
2999         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3000         (ASM_CPU_POWER6_SPEC): Likewise.
3001         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3002         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3003         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3004
3005 2008-02-25  Richard Guenther  <rguenther@suse.de>
3006
3007         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3008         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3009         (lookup_decl_from_uid): Declare.
3010         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3011         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3012         (decl_for_uid_map): New global hashtable mapping DECL_UID
3013         to the decl tree.
3014         (init_ttree): Allocate it.
3015         (insert_decl_to_uid_decl_map): New helper function.
3016         (make_node_stat): Insert new decls into the map.
3017         (copy_node_stat): Likewise.
3018         (lookup_decl_from_uid): New function.
3019         (print_decl_for_uid_map_statistics): New helper.
3020         (dump_tree_statistics): Call it.
3021
3022         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3023         (referenced_var_iterator): Adjust.
3024         (FOR_EACH_REFERENCED_VAR): Adjust.
3025         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3026         (num_referenced_vars): Adjust.
3027         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3028         (first_referenced_var): Remove.
3029         (end_referenced_vars_p): Likewise.
3030         (next_referenced_var): Likewise.
3031         (referenced_var_iterator_set): New helper function.
3032         * tree-dfa.c (referenced_var_lookup): Adjust.
3033         (referenced_var_check_and_insert): Likewise.
3034         (remove_referenced_var): Likewise.
3035         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3036         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3037         (verify_call_clobbering): Likewise.
3038         (verify_memory_partitions): Likewise.
3039         (init_tree_ssa): Allocate bitmap instead of hashtable for
3040         referenced_vars.
3041         (delete_tree_ssa): Adjust.
3042         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3043         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3044         (compute_tag_properties): Likewise.
3045         (set_initial_properties): Likewise.
3046         (find_partition_for): Likewise.
3047         (update_reference_counts): Likewise.
3048         (dump_may_aliases_for): Likewise.
3049         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3050         (add_call_clobber_ops): Likewise.
3051         (add_call_read_ops): Likewise.
3052         (get_asm_expr_operands): Likewise.
3053         * tree-into-ssa.c (dump_decl_set): Likewise.
3054         (update_ssa): Likewise.
3055         * tree-sra.c (scan_function): Likewise.
3056         (decide_instantiations): Likewise.
3057         (scalarize_parms): Likewise.
3058         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3059         (dsa_named_for): Likewise.
3060         * tree-ssa-structalias.c (update_alias_info): Likewise.
3061         (merge_smts_into): Likewise.
3062
3063 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3064
3065         PR target/35258
3066         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3067         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3068         * alias.h (nonoverlapping_memrefs_p): Likewise.
3069
3070 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3071
3072         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3073         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3074         __emultls_get_address, __emultls_register_common,
3075         __floatundi?f, and _Unwind_GetIPInfo.
3076         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3077         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3078         (gen_regparm_prefix): Likewise.
3079         (i386_nlm_encode_section_info): Sync with
3080         config/i386/winnt.c:i386_pe_encode_section_info().
3081         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3082         i386_nlm_mangle_decl_assembler_name): New.
3083         (netware_override_options): New.
3084         * config/i386/netware.h (netware_override_options): Declare.
3085         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3086         (i386_nlm_mangle_decl_assembler_name): Declare.
3087         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3088
3089 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3090
3091         PR other/32948
3092         * c-decl.c (grokdeclarator): Remove unused local variables
3093         `typedef_type' and `type_as_written'.
3094         * bb-reorder.c
3095         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3096         unused local variable `has_hot_blocks'.
3097         (fix_crossing_conditional_branches): Remove unused local variable
3098         `prev_bb'.
3099         
3100 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3101
3102         PR middle-end/19984
3103         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3104         using DEF_C99_BUILTIN.
3105         (BUILT_IN_NANF): Ditto.
3106         (BUILT_IN_NANL): Ditto.
3107
3108 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3109             Revital Eres  <eres@il.ibm.com>
3110
3111         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3112         regarding the order of two dependent insns in the same row.
3113
3114 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3115
3116         * stor-layout.c (layout_decl): Do not bump the alignment of a
3117         bit-field to more than byte alignment if it is packed.
3118
3119 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3120
3121         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3122         e300c2 and e300c3.
3123
3124 2008-02-24  Diego Novillo  <dnovillo@google.com>
3125
3126         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3127
3128         PR 33738
3129         * tree-vrp.c (vrp_evaluate_conditional): With
3130         -Wtype-limits, emit a warning when comparing against a
3131         constant outside the natural range of OP0's type.
3132         * c.opt (Wtype-limits): Move ...
3133         * common.opt (Wtype-limits): ... here.
3134
3135 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3136
3137         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3138         * config/rs6000/e300c2c3.md: New file.
3139         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3140         e300c2 and e300c3.
3141         (rs6000_override_options): Add e300c2 and e300c3 cases to
3142         processor_target_table. Do not allow usage of Altivec or Spe
3143         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3144         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3145         * config/rs6000/rs6000.h (processor_type): Add
3146         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3147         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3148         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3149         and ppce300c3. Include e300c2c3.md.
3150
3151 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3152
3153         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3154         instead of TARGET_STRICT_ALIGN.
3155
3156 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3157
3158         * explow.c (memory_address): Assert that the generated address is
3159         valid.
3160
3161 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3162
3163         PR target/25477
3164         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3165         * config/darwin-ppc-ldouble-patch.def: New file.
3166         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3167         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3168         SUBTARGET_INIT_BUILTINS if defined.
3169         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3170         New functions.
3171
3172 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3173
3174         PR rtl-opt/33512
3175         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3176         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3177
3178 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3179
3180         PR pch/35027
3181         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3182         file" warning condtional on -Winvalid-PCH.
3183
3184 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3185
3186         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3187
3188 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3189
3190         PR target/22076
3191         PR target/34256 
3192         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3193         prevent reload from using MMX registers.
3194         (*mov<mode>_internal): Ditto.
3195         (*movv2sf_internal_rex64): Ditto.
3196         (*movv2sf_internal): Ditto.
3197
3198 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3199
3200         PR documentation/31569
3201         * doc/install.texi2html: Use makeinfo --no-number-sections.
3202
3203 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3204
3205         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3206         ensure that we can address an entire entity > 8 bytes.  Don't
3207         generate reg+reg addressing for such data.
3208
3209 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3210
3211         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3212         strings when optimizing for size, unless the target cares about
3213         alignment.
3214
3215 2008-02-22  Tom Tromey  <tromey@redhat.com>
3216
3217         * regclass.c (current_pass): Remove declaration.
3218
3219 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3220
3221         * config/avr/libgcc.S (__RAMPZ__): Define.
3222         (__do_copy_data): Add for devices with 128KB code memory.
3223
3224 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3225
3226         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3227         Use spe_abi.
3228         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3229
3230 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3231
3232         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3233         GENNONACR_REGS.
3234
3235 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3236
3237         PR c/19999
3238         * c-typeck.c (build_binary_op): Warn about floating point
3239         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3240
3241 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3242
3243         PR target/34526
3244         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3245         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3246         add vrsave.
3247         (rs6000_override_options): Set altivec_abi as default, not override,
3248         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3249         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3250         is used; use new member spe_abi.
3251         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3252         spe_abi and altivec_abi.
3253
3254 2008-02-22  Tomas Bily  <tbily@suse.cz>
3255
3256         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3257
3258 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3259
3260         PR bootstrap/35273
3261         * config.build (build_file_translate): Set to `CMD //c' only if
3262         it works.
3263         * Makefile.in (build_file_translate): Improve comment.
3264
3265 2008-02-21  Jan Hubicka  <jh@suse.cz>
3266
3267         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3268         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3269         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3270
3271 2008-02-21  Michael Matz  <matz@suse.de>
3272
3273         PR target/35264
3274         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3275
3276 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3277
3278         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3279         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3280         as insn constraint.
3281         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3282         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3283         SSE_VEC_FLOAT_MODE_P as insn constraint.
3284         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3285         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3286         sse4a_movntdf using MODEF mode iterator.
3287         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3288         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3289         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3290         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3291         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3292         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3293         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3294
3295 2008-02-21  Richard Guenther  <rguenther@suse.de>
3296
3297         * tree.def (PAREN_EXPR): New tree code.
3298         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3299         and PAREN_EXPR.
3300         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3301         * expr.c (expand_expr_real_1): Likewise.
3302         * tree-inline.c (estimate_num_insns_1): Likewise.
3303         * tree-complex.c (expand_complex_move): Likewise.
3304         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3305         as plain x.
3306
3307 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3308
3309         PR target/35225
3310         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3311
3312 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3313
3314         PR target/35190
3315         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3316
3317         * config/sh/sh.c (find_barrier): Don't go past
3318         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3319
3320 2008-02-20  DJ Delorie  <dj@redhat.com>
3321
3322         * config/h8300/h8300.md (insv): Force source operand to be a register.
3323
3324         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3325         as a jump, not as a plain insn.
3326         
3327 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3328
3329         * doc/invoke.texi (Warning Options): Add new option
3330         -Wframe-larger-than=.
3331         (-Wframe-larger-than): Document.
3332
3333         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3334         Add declarations for new option variables.
3335
3336         * final.c (final_start_function): Check the frame size
3337         before emission and issue a Wframe-larger-than warning.
3338
3339         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3340         Add definitions for new option variables.
3341         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3342
3343         * common.opt (Wframe-larger-than=): New option.
3344
3345 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3346
3347         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3348         (<sse>_div<mode>3): Ditto.
3349         (<sse>_vmdiv<mode>3): Ditto.
3350         (<sse>_vmsqrt<mode>2): Ditto.
3351         (*smax<mode>3): Ditto.
3352         (sse5_frcz<mode>2): Ditto.
3353         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3354         as insn constraint.
3355
3356 2008-02-20  Richard Guenther  <rguenther@suse.de>
3357
3358         PR middle-end/35265
3359         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3360         be happy with INTEGRAL_TYPE_P.
3361
3362 2008-02-20  Richard Guenther  <rguenther@suse.de>
3363
3364         * fold-const.c (split_tree): Associate floatig-point expressions
3365         if flag_associative_math is set.
3366
3367 2008-02-20  Richard Guenther  <rguenther@suse.de>
3368
3369         * tree.h (fold_real_zero_addition_p): Declare.
3370         * fold-const.c (fold_real_zero_addition_p): Export.
3371         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3372         floating-point operations with zero and one.
3373
3374 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3375
3376         * doc/install.texi: Correct references to CFLAGS, replacing them
3377         with BOOT_CFLAGS.  Document flags used during bootstrap for
3378         target libraries.
3379                                 
3380 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3381
3382         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3383         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3384         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3385         insn constraint.
3386         (smin<mode>3): Ditto from similar patterns.
3387         (smax<mode>3): Ditto.
3388         (*ieee_smin<mode>3): Ditto.
3389         (*ieee_smax<mode>3): Ditto.
3390         * config/i386/sse.md (sse): New mode attribute.
3391         (mov<mode>): Macroize expander from movv4sf and movv2df using
3392         SSEMODEF2P mode iterator.
3393         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3394         SSE_VEC_FLOAT_MODE_P as insn constraint.
3395         (storent<mode>): Ditto.
3396         (storent<mode>): Macroize expander from storentsf and storentdf using
3397         MODEF mode iterator.
3398         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3399         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3400         (abs<mode>2): Ditto from similar patterns.
3401         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3402         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3403         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3404         (<sse>_vmsqrt<mode>2): Ditto.
3405         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3406         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3407         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3408         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3409         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3410    &n