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2008-04-02 Kai Tietz <kai.tietz@onevision.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
2
3         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
4
5 2008-04-02  Richard Guenther  <rguenther@suse.de>
6
7         * tree-vrp.c (extract_range_from_assert): Make sure to not
8         produce range min/max with TREE_OVERFOW set.
9         If merging a anti-range and a range keep the anti-range if
10         the range covers all values of the type.
11         (register_edge_assert_for_2): Only allow sign-changing
12         conversions in detecting canonical range checks.  Also
13         register an assert for the unsigned name if useful.
14
15         PR tree-optimization/35787
16         * tree-vrp.c (vrp_val_max): New function.
17         (vrp_val_min): Likewise.
18         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
19         (vrp_val_is_min): Likewise.
20         (supports_overflow_infinity): Use vrp_val_{min,max}.
21         (negative_overflow_infinity): Likewise.
22         (positive_overflow_infinity): Likewise.
23         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
24         (is_positive_overflow_infinity): Likewise.
25         (is_overflow_infinity): Likewise.
26         (avoid_overflow_infinity): Use vrp_val_{min,max} and
27         vrp_val_is_{min,max}.
28         (set_and_canonicalize_value_range): Canonicalize anti-ranges
29         to ranges if possible.  Avoid empty ranges.
30
31 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
32
33         PR middle-end/35705
34         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
35         the expression is a function address.
36
37 2008-04-01  George Helffrich  <george@gcc.gnu.org>
38
39         PR fortran/PR35154, fortran/PR23057
40         * fortran/trans-common.c (create_common):  Add decl to function
41         chain to preserve identifier scope in debug output.
42
43         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
44         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
45         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
46         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
47         in common.
48         (dbxout_syms): Check for COMMON-based symbol and wrap in
49         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
50         in bracket for efficiency.
51
52         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
53         using DW_TAG_common_block + member offset.
54         (add_pubname_string): New function.
55         (dw_expand_expr): New function to find block name and offset for
56         COMMON var.
57         (common_check): New function to check whether symbol in Fortran COMMON.
58         (gen_variable_die): If COMMON, use DW_TAG_common_block.
59
60         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
61         use of common is unchanged.
62
63         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
64         with all combinations of debug options available on target.
65         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
66         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
67         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
68         .stabs functionality.
69         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
70         DWARF functionality.
71
72 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
73
74         PR c/35436
75         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
76
77 2008-04-02  Ben Elliston  <bje@au.ibm.com>
78
79         * config/v850/v850.md (casesi): Remove if (0) code.
80         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
81         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
82
83 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
84
85         * config/i386/i386.md (rex64suffix): New mode attribute.
86         (floathi<mode>2): Disable expander for SSE math.
87         (*floathi<mode>2_1): New insn insn_and_split pattern.
88         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
89         corresponding post-reload splitters.
90         (*floathi<mode>2_i387): New macroized insn pattern.
91         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
92         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
93         insn_and_split pattern.
94         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
95         New macroized instruction patterns and corresponding post-reload
96         splitters.
97         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
98         and corresponding post-reload splitters.
99         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
100         New macroized instruction patterns.
101         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
102         macroized instruction patterns and corresponding post-reload splitters.
103         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
104         corresponding post-reload splitters.
105         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
106         New macroized instruction patterns.
107         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
108         corresponding post-reload splitters.
109         (*floatsi<mode>2_i387): New macroized instruction patterns.
110
111 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
112
113         * config/i386/i386.md (smaxmin): New.
114         (umaxmin): Likewise.
115         (maxminiprefix): Likewise.
116         (maxminfprefix): Likewise.
117         (<code><mode>3): Likewise.
118         (smin<mode>3): Removed.
119         (smax<mode>3): Likewise.
120
121         * config/i386/mmx.md (mmx_<code>v2sf3): New.
122         (mmx_<code>v4hi3): Likewise.
123         (mmx_<code>v8qi3): Likewise.
124         (mmx_smaxv2sf3): Removed.
125         (mmx_sminv2sf3): Likewise.
126         (mmx_umaxv8qi3): Likewise.
127         (mmx_smaxv4hi3): Likewise.
128         (mmx_uminv8qi3): Likewise.
129         (mmx_sminv4hi3): Likewise.
130
131         * config/i386/sse.md (<addsub><mode>3): New.
132         (*<addsub><mode>3): Likewise.
133         (<sse>_vm<addsub><mode>3): Likewise.
134         (<maxmin><mode>3): Likewise.
135         (*<maxmin><mode>3_finite): Likewise.
136         (*<maxmin><mode>3): Likewise.
137         (<sse>_vm<maxmin><mode>3): Likewise.
138         (sse3_h<addsub>v4sf3): Likewise.
139         (sse3_h<addsub>v2df3): Likewise.
140         (<maxmin>v16qi3): Likewise.
141         (*<maxmin>v16qi3): Likewise.
142         (<maxmin>v8hi3): Likewise.
143         (*<maxmin>v8hi3): Likewise.
144         (*sse4_1_<maxmin><mode>3): Likewise.
145         (*sse4_1_<maxmin><mode>3): Likewise.
146         (add<mode>3): Removed.
147         (*add<mode>3): Likewise.
148         (<sse>_vmadd<mode>3): Likewise.
149         (sub<mode>3): Likewise.
150         (*sub<mode>3): Likewise.
151         (<sse>_vmsub<mode>3): Likewise.
152         (smin<mode>3): Likewise.
153         (*smin<mode>3_finite): Likewise.
154         (*smin<mode>3): Likewise.
155         (<sse>_vmsmin<mode>3): Likewise.
156         (smax<mode>3): Likewise.
157         (*smax<mode>3_finite): Likewise.
158         (*smax<mode>3): Likewise.
159         (<sse>_vmsmax<mode>3): Likewise.
160         (sse3_haddv4sf3): Likewise.
161         (sse3_haddv2df3): Likewise.
162         (sse3_hsubv4sf3): Likewise.
163         (sse3_hsubv2df3): Likewise.
164         (umaxv16qi3): Likewise.
165         (*umaxv16qi3): Likewise.
166         (smaxv8hi3): Likewise.
167         (*smaxv8hi3): Likewise.
168         (*sse4_1_smax<mode>3): Likewise.
169         (*sse4_1_umax<mode>3): Likewise.
170         (uminv16qi3): Likewise.
171         (*uminv16qi3): Likewise.
172         (sminv8hi3): Likewise.
173         (*sminv8hi3): Likewise.
174         (*sse4_1_smin<mode>3): Likewise.
175         (*sse4_1_umin<mode>3): Likewise.
176
177 2008-04-01  Rafael Espindola  <espindola@google.com>
178
179         * tree-cfg.c (verify_expr): remove in_phi.
180         (verify_stmt): Don't call walk_tree with verify_expr. Use
181         is_gimple_min_invariant instead of is_gimple_val.
182
183 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
184
185         * doc/include/gpl_v3.texi: Update for manpage generation.
186         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
187         gpl.texi.
188         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
189         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
190         gpl_v3.texi instead of gpl.texi.
191         (gpl.pod): New.
192
193 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
194
195         PR pch/13675
196         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
197
198 2008-04-01  Rafael Espindola  <espindola@google.com>
199
200         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
201         (extract_code_and_val_from_cond): Use
202         extract_code_and_val_from_cond_with_ops.
203
204 2008-04-01  Jan Hubicka  <jh@suse.cz>
205
206         * function.c (free_after_compilation): Free epilogue_delay_list.
207         (prepare_function_start): Assert that previous compilation was freed.
208
209 2008-04-01  Jan Hubicka  <jh@suse.cz>
210             Jim Wilson  <wilson@tuliptree.org>
211             Andreas Tobler <andreast@gcc.gnu.org>
212
213         PR middle-end/35781
214         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
215         rtl.emit instead cfun->emit.
216         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
217         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
218
219 2008-04-01  Ben Elliston  <bje@au.ibm.com>
220
221         * doc/c-tree.texi (Function Basics): Fix grammatical error.
222
223 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
224
225         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
226         New options
227         (fprofile-use): Add var flag_profile_use
228         * coverage.c (coverage_begin_output): Do not open a gcno file for
229         output only if -ftest-coverage is set.
230         Do not add getpwd() to gcda file path.
231         (build_gcov_info): Check the new flag
232         flag_profile_datafile_relative_path.
233         (coverage_init): Use profile_data_prefix.
234         Read profile counter only if flag_profile_use is set.
235         * opts.c (common_handle_option): New option fprofile-use=,
236         fprofile-dir=, fprofile-generate=.
237         * toplev.c (profile_data_prefix): New variable definition.
238         * toplev.h (profile_data_prefix): New declaration.
239         * doc/invoke.tex (Option Summary, Optimization Options):
240         Add new options.
241
242 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
243
244         * varasm.c (output_constant_pool_1): In LABEL_REF check,
245         use tmp consistently.
246
247         PR target/35695
248         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
249         * config/ia64/ia64.c (rtx_needs_barrier): Handle
250         UNSPEC_FR_RECIP_APPROX_RES.
251         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
252
253 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
254
255         PR c/35750
256         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
257
258 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
259
260         PR middle-end/30186
261         * fold-const.c (fold_indirect_ref_1): Support accessing non first
262         element of the vector via a pointer.
263
264 2008-03-31  Ian Lance Taylor  <iant@google.com>
265
266         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
267
268 2008-03-31  Jan Hubicka  <jh@suse.cz>
269
270         * builtins.c (expand_builtin_setjmp_receiver): Update call of
271         get_arg_pointer_save_area.
272         * expr.c (init_expr): Just clear out rtl.expr.
273         * function.c (free_after_compilation): Clear out whole RTL structure.
274         (get_func_frame_size): Merge into ...
275         (get_frame_size): ... this one.
276         (assign_stack_local_1): Merge into ...
277         (assign_stack_local): ... this one.
278         (expand_function_end): Update call of get_arg_pointer_save_area.
279         (get_art_pointer_save_area): Remove cfun argument.
280         * function.h (emit_status): regno_pointer_align does not need length
281         attribute. Move x_regno_reg_rtx to ...
282         (regno_reg_rtx): ... new global array.
283         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
284         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
285         apply_args_value, forced_labels, stack_pointer_delta):
286         Update accestors.
287         (struct varasm_status): Move here from varasm.c
288         (struct rtl_data): New. Move here some fields from struct function.
289         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
290         frame_offset, stack_check_probe_note, arg_pointer_save_area,
291         used_temp_slots avail_temp_slots, temp_slot_level,
292         nonlocal_goto_handler_labels): Update accesstors.
293         (rtl): New global variable.
294         (struct function): Move some fileds to rtl_data.
295         (get_arg_pointer_save_area): Update prototype.
296         * emit-rtl.c (rtl): Declare.
297         (regno_reg_rtx): Declare.
298         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
299         Update.
300         (gen_reg_rtx): Update.
301         (init_virtual_regs): Do not tate emit_status argument.
302         (init_emit): Do not allocate emit.
303         * varasm.c (varasm_statuc): Move to function.h.
304         (n_deferred_constatns): Update accestor.
305         (init_varasm_status): Do not allocate varasm_status.
306         (force_const_mem, get_pool_size, output_constant_pool): Update.
307         * stmt.c (force_label_rtx): Do not use x_ prefixes.
308         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
309
310 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
311
312         PR rtl-optimization/35729
313         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
314         references.
315
316 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
317
318         PR target/32000
319         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
320         load/store if memory is unaligned.
321         (*movti_rex64): Likewise.
322
323         * config/i386/predicates.md (misaligned_operand): New.
324
325 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
326
327         PR tree-opt/35431
328         * tree-ssa-phiopt.c (conditional_replacement): Return early for
329         complex types.
330
331 2008-03-31  Jan Beulich  <jbeulich@novell.com>
332
333         * config/ia64/constraints.md: Add 'j' constraint.
334         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
335         (movdi_internal): Likewise.
336
337 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
338
339         PR c/35748
340         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
341
342 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
343
344         PR target/35757
345         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
346         proper error message for the third argument on blendpd and
347         blendps.
348
349         * config/i386/sse.md (blendbits): New.
350         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
351
352 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
353
354         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
355
356 2008-03-30  Richard Guenther  <rguenther@suse.de>
357
358         PR middle-end/31023
359         * fold-const.c (fold_sign_changed_comparison): Do leave
360         conversions to base-types alone.
361
362 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
363
364         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
365         the link register if one altivec register is be saved.
366
367 2008-03-30  Ben Elliston  <bje@au.ibm.com>
368
369         * final.c (final_scan_insn): Remove if (0) code.
370
371 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
372
373         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
374
375 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
376
377         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
378         of V4SFmode to ix86_binary_operator_ok.
379
380 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
381
382         * config/i386/i386.c (override_options): Initialize
383         ix86_veclib_handler to ix86_veclibabi_svml when
384         -mveclibabi=svml is used.
385         (ix86_veclibabi_svml): New function for SVML ABI style
386         vectorization support.
387         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
388
389 2008-03-28  Rafael Espindola  <espindola@google.com>
390
391         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
392         (tree_binary_nonnegative_warnv_p): Make it public.
393         (tree_single_nonnegative_warnv_p): Make it public.
394         (tree_invalid_nonnegative_warnv_p): Make it public.
395         (tree_unary_nonzero_warnv_p): Make it public.
396         (tree_binary_nonzero_warnv_p): Make it public
397         (tree_single_nonzero_warnv_p): Make it public.
398         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
399         (extract_range_from_binary_expr): Split the expr argument.
400         (extract_range_from_unary_expr): Split the expr argument.
401         (extract_range_from_comparison): Split the expr argument.
402         (extract_range_from_expr): Use the new aux functions.
403         (vrp_evaluate_conditional_warnv): Use
404         vrp_evaluate_conditional_warnv_with_ops.
405         * tree.h (tree_unary_nonzero_warnv_p): Declare.
406         (tree_binary_nonzero_warnv_p): Declare.
407         (tree_single_nonzero_warnv_p): Declare.
408         (tree_expr_nonzero_warnv_p): Declare.
409         (tree_unary_nonnegative_warnv_p): Declare.
410         (tree_binary_nonnegative_warnv_p): Declare.
411         (tree_single_nonnegative_warnv_p): Declare.
412         (tree_invalid_nonnegative_warnv_p): Declare.
413
414 2008-03-28  Richard Guenther  <rguenther@suse.de>
415
416         PR tree-optimization/30317
417         PR tree-optimization/30911
418         PR tree-optimization/34793
419         * tree-vrp.c (set_and_canonicalize_value_range): New function.
420         (struct assert_locus_d): New member EXPR.
421         (register_new_assert_for): Add EXPR parameter to support
422         ASSERT_EXPR <name, expr OP limit>.
423         (register_edge_assert_for_1): Adjust callers.
424         (find_assert_locations): Likewise.
425         (process_assert_insertions_for): Build condition from expression.
426         (extract_range_from_assert): Handle ASSERT_EXPRs
427         of the form ASSERT_EXPR <name, expr OP limit>.
428         (register_edge_assert_for_2): New helper registering
429         asserts for comparisons.  Recognize range tests of the form
430         (unsigned)i - CST1 OP CST2.
431         (register_edge_assert_for_1): Use it.
432         (register_edge_assert_for): Likewise.
433         (needs_overflow_infinity): Integer sub-types
434         do not need overflow infinities.
435         (vrp_val_is_max): The extreme values of integer sub-types
436         are those of the base type.
437         (vrp_val_is_min): Likewise.
438         * tree.def (ASSERT_EXPR): Document extra allowed conditional
439         expressions.
440
441 2008-03-28  Nick Clifton  <nickc@redhat.com>
442
443         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
444         Return GENERAL_REGS for stack adjustment reloads.
445
446 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
447
448         PR target/31334
449         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
450         const_vector when all the vectors are constant.
451
452 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
453
454         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
455         comparisons.
456         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
457         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
458         (scc_sf): New.
459         (s<code>_sf): Use new scc_sf attribute for opcode names.
460
461 2008-03-27  Tom Tromey  <tromey@redhat.com>
462
463         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
464         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
465         config/spu/t-spu-elf, config/i386/t-interix,
466         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
467         config/i386/x-darwin, config/i386/x-mingw32,
468         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
469         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
470         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
471         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
472         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
473         config/rs6000/x-darwin, config/rs6000/t-rs6000,
474         config/score/t-score-elf, config/arm/t-strongarm-pe,
475         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
476         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
477         Revert automatic dependency patch.
478
479 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
480
481         PR target/35657
482         * config/i386/i386.c (ix86_function_arg_boundary): Align
483         decimal floating point to its natural boundary.
484
485 2008-03-27  Richard Guenther  <rguenther@suse.de>
486
487         PR middle-end/35716
488         * fold-const.c (fold_comparison): Restrict distinct decl
489         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
490         solely rely on operand_equal_p.
491
492 2008-03-27  Richard Guenther  <rguenther@suse.de>
493
494         PR c/32511
495         * c-common.c (handle_weak_attribute): Reject combination of
496         weak and inline.
497
498 2008-03-27  Richard Guenther  <rguenther@suse.de>
499
500         PR tree-optimization/32810
501         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
502         conversions from DECL_INITIAL.
503         (fold_const_aggregate_ref): Likewise from constructor elements.
504
505 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
506
507         * tree-affine.h (aff_combination_expand): Declare.
508         (get_inner_reference_aff): Likewise.
509         * tree-affine.c (aff_combination_expand): Split out from
510         tree_to_aff_combination_expand.
511         (get_inner_reference_aff): New function.
512         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
513         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
514         (struct lim_aux_data): sm_done field removed.
515         (mem_ref_loc_p, mem_ref_locs_p): New types.
516         (struct mem_ref): Added id, stored, accesses_in_loop,
517         indep_loop, dep_loop, indep_ref, dep_ref fields.
518         Removed is_stored, locs and next fields.
519         (memory_accesses): New variable.
520         (movement_possibility): Do not allow moving statements
521         that store to memory.
522         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
523         New functions.
524         (determine_max_movement): For statements with memory references,
525         find the outermost loop in that the reference is independent.
526         (move_computations_stmt): Mark the virtual operands for renaming.
527         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
528         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
529         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
530         add_vop_ref_mapping, create_vop_ref_mapping_loop,
531         create_vop_ref_mapping, analyze_memory_references,
532         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
533         get_all_locs_in_loop, ref_always_accessed_p,
534         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
535         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
536         store_motion_loop, store_motion): New functions.
537         (struct vop_to_refs_elt): New type.
538         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
539         memref_hash, memref_eq, hoist_memory_references): Rewritten.
540         (schedule_sm): Replaced by...
541         (execute_sm): ... this.
542         (determine_lsm_ref, hoist_memory_references,
543         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
544         find_more_ref_vops, free_mem_ref, free_mem_refs,
545         determine_lsm_loop, determine_lsm): Removed.
546         (tree_ssa_lim_finalize): Free data structures used by store motion.
547         (tree_ssa_lim): Call analyze_memory_references.  Use
548         store_motion instead of determine_lsm.
549
550 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
551
552         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
553         rename tmake_file to m68hc11/t-m68hc11.
554         (mcore): Set inhibit_libc to true.
555         * config.host (alpha*-dec-*vms*): Set extra_programs.
556         (interix3*): Don't use host_xmake_file.
557         * configure.ac: Let config.gcc override inhibit_libc.
558         * configure: Regenerate.
559
560         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
561         * config/t-openbsd-thread: Remove commented out lines.
562         
563         * config/x-interix: Remove.
564
565         * config/m68hc11/t-m68hc11-gas: Rename to...
566         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
567
568         * config/mcore/t-mcore: Remove T_CFLAGS.
569         * config/mcore/t-mcore-pe: Likewise.
570
571 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
572
573         * configure.ac: Replace custom __GNU_SOURCE test with
574         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
575         * aclocal.m4: Regenerate.
576         * configure: Regenerate.
577         * config.in: Regenerate.
578
579 2008-03-27  Richard Guenther  <rguenther@suse.de>
580
581         * fold-const.c (target.h): Include.
582         (fold_comparison): Fold comparison of addresses of decls
583         that bind locally or of constants.  Consolidate address folding code.
584         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
585         results from fold_binary_to_constant.
586         (compare_values_warnv): Likewise.
587
588 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
589
590         PR middle-end/35429
591         * fold-const.c (fold_truthop): Check for integeral types when folding
592         a == 0 && b == 0 and a != 0 || b != 0 .
593
594 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
595
596         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
597
598 2008-03-26  Andreas Schwab  <schwab@suse.de>
599
600         * doc/invoke.texi: Fix use of @item vs. @itemx.
601
602 2008-03-26  Tom Tromey  <tromey@redhat.com>
603
604         * Makefile.in (build/gensupport.o, build/print-rtl.o,
605         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
606         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
607         build/gencodes.o, build/genconditions.o, build/genconfig.o,
608         build/genconstants.o, build/genemit.o, build/genextract.o,
609         build/genflags.o, build/genmddeps.o, build/genopinit.o,
610         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
611         options.h.
612
613 2008-03-26  Richard Guenther  <rguenther@suse.de>
614
615         Revert
616         2008-03-26  Richard Guenther  <rguenther@suse.de>
617
618         * fold-const.c (target.h): Include.
619         (fold_comparison): Fold comparison of addresses of two decls
620         that bind locally.  Consolidate address folding code.
621
622 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
623
624         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
625         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
626         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
627         dconstsqrt2, dconstthird, dconste and/or dconst10.
628         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
629         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
630         dconstsqrt2, dconste): Delete.
631         (init_emit_once): Likewise.  Simplify initializing dconstm1.
632         Constify variable.
633         * real.c (get_real_const): New.
634         * real.h (dconst3, dconst10, dconstm2, dconstthird,
635         dconstsqrt2, dconste): Delete.
636         (real_value_const, get_real_const): New.
637
638 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
639
640         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
641
642         * config/i386/i386.c (ix86_function_arg_boundary): Check
643         BIGGEST_ALIGNMENT instead of 128.
644         (setup_incoming_varargs_64): Likewise.
645
646 2008-03-26  Tom Tromey  <tromey@redhat.com>
647
648         * Makefile.in (DEPFILES): Add missing '/'.
649
650 2008-03-26  Richard Guenther  <rguenther@suse.de>
651
652         * fold-const.c (target.h): Include.
653         (fold_comparison): Fold comparison of addresses of two decls
654         that bind locally.  Consolidate address folding code.
655
656 2008-03-26  Nick Clifton  <nickc@redhat.com>
657
658         PR target/31232
659         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
660         not allow INT+INT as a legitimate addressing mode.
661
662 2008-03-26  Richard Guenther  <rguenther@suse.de>
663
664         * tree-flow.h (widen_bitfield): Remove declaration.
665         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
666         (widen_bitfield): Remove function.
667         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
668         code.
669
670 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
671
672         PR target/31558
673         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
674         error_mark_node's.
675
676 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
677
678         PR rtl-optimization/35232
679         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
680         (forget_old_reloads_1, forget_marked_reloads): Don't clear
681         reg_reloaded_call_part_clobbered here.
682         (reload_regs_reach_end_p): New function.
683         (reload_reg_rtx_for_input): New variable.
684         (reload_reg_rtx_for_output): Likewise.
685         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
686         when reassigning a pseudo register.  Load reloadreg from 
687         reload_reg_rtx_for_input, moving the mode and register
688         calculation to...
689         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
690         instead of the original when deciding whether an input reload
691         would be a no-op or whether an output reload can be deleted.
692         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
693         when setting up new_spill_reg_store.  Load it from
694         reload_reg_rtx_for_output, moving the mode and register
695         calculation to...
696         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
697         instead of the original when deciding whether an output reload
698         would be a no-op.  Do the same when modifying insn notes.
699         Use rtx_equal_p instead of == to compare the registers.
700         (inherit_piecemeal_p): Take a mode and two register numbers
701         as argument.
702         (emit_reload_insns): Clear new_spill_reg_store for every hard
703         register in the reload register.  Remove spill registers
704         from reg_reloaded_valid before considering whether to record
705         inheritance information for them.  Use reload_reg_rtx_for_output
706         instead of reg_rtx when recording output reloads.  Use
707         reload_reg_rtx_for_input instead of reg_rtx when recording
708         input reloads.  Set or clear reg_reloaded_call_part_clobbered
709         at the same time as setting reg_reloaded_valid.
710         (delete_output_reload): Add a new_reload_reg parameter and use it
711         instead of rld[j].reg_rtx.
712         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
713         calls accordingly.
714
715 2008-03-25  Tom Tromey  <tromey@redhat.com>
716
717         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
718         (build/genattr.o): Likewise.
719         (build/genattrtab.o): Likewise.
720         (build/gencodes.o): Likewise.
721         (build/genconfig.o): Likewise.
722         (build/genconstants.o): Likewise.
723         (build/genemit.o): Likewise.
724         (build/genextract.o): Likewise.
725         (build/genflags.o): Likewise.
726
727 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
728         
729         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
730         instead of size_int for integer types.
731         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
732         to match type of MINUS_EXPR.
733         
734 2008-03-25  Tom Tromey  <tromey@redhat.com>
735
736         * configure: Rebuilt.
737         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
738         Makefile.
739
740 2008-03-25  Tom Tromey  <tromey@redhat.com>
741
742         * config/x-solaris (host-solaris.o): Update.
743         * config/x-linux (host-linux.o): Update.
744         * config/x-hpux (host-hpux.o): Update.
745         * config/x-darwin (host-darwin.o): Update.
746         * config/v850/t-v850e (v850-c.o): Update.
747         * config/v850/t-v850 (v850-c.o): Update.
748         * config/t-vxworks (vxworks.o): Update.
749         * config/t-sol2 (sol2-c.o, sol2.o): Update.
750         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
751         * config/spu/t-spu-elf (spu-c.o): Update.
752         (spu.o): Remove.
753         * config/sh/t-symbian (sh-c.o): Update.
754         (symbian.o): Update.
755         * config/sh/t-sh (sh-c.o): Update.
756         * config/score/t-score-elf (score7.o, score3.o): Update.
757         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
758         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
759         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
760         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
761         (rs6000.o): Remove.
762         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
763         * config/m32c/t-m32c (m32c-pragma.o): Update.
764         * config/ia64/t-ia64 (ia64-c.o): Update.
765         * config/i386/x-mingw32 (host-mingw32.o): Update.
766         * config/i386/x-i386 (driver-i386.o): Update.
767         * config/i386/x-darwin (host-i386-darwin.o): Update.
768         * config/i386/x-cygwin (host-cygwin.o): Update.
769         * config/i386/t-nwld (nwld.o): Update.
770         * config/i386/t-netware (netware.o): Update.
771         * config/i386/t-interix (winnt.o): Update.
772         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
773         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
774         msformat-c.o): Update.
775         * config/bfin/t-bfin-linux (generated_files): Add
776         linux-sysroot-suffix.h.
777         * config/arm/t-wince-pe (pe.o): Update.
778         * config/arm/t-strongarm-pe (pe.o): Update.
779         * config/arm/t-pe (pe.o): Update.
780         * config/arm/t-arm (arm-c.o): Update.
781         * doc/install.texi (Prerequisites): Require make 3.80.
782         * Makefile.in: Remove .o targets.
783         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
784         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
785         (simple_generated_h, simple_generated_c): Move earlier.
786         (generated_files): New variable.
787         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
788         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
789         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
790         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
791         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
792         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
793         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
794         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
795         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
796         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
797         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
798         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
799         (.c.o): Remove.
800         (COMPILE.base, COMPILE): New variables.
801         (%.o): New pattern rule.
802         (ALL_HOST_OBJS): New variable.
803         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
804         (dummy-checksum.o, cc1-checksum.o): Remove.
805         (DRIVER_SHLIB): New variable.
806         (DRIVER_DEFINES): Use it.
807         (gencondmd.c): Move out of build/.
808         (s-conditions): Update.
809         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
810         (ALL_BUILD_OBJS): Likewise.
811         (build/%.o): Use BUILDCOMPILE.
812         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
813         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
814         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
815         build/gencheck.o, build/gencodes.o, build/genconditions.o,
816         build/genconfig.o, build/genconstants.o, build/genemit.o,
817         build/genextract.o, build/genflags.o, build/genmddeps.o,
818         build/genopinit.o, build/genoutput.o, build/genpeep.o,
819         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
820         build/gen-protos.o, build/scan.o, build/fix-header.o,
821         build/scan-decls.o): Simplify.
822         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
823         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
824         prefix.o, toplev.o): Reduce to variable setting.
825         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
826         ($(out_object_file), gcc-options.o): New targets.
827         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
828         * configure: Rebuilt.
829         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
830         * doc/sourcebuild.texi (Front End Directory): Document new variable.
831
832 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
833
834         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
835         complain when we hit an error, return ERROR_MARK_NODE.
836
837 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
838
839         * config/sh/constraints.md (Pso, Psz): New constraints.
840         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
841         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
842
843 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
844
845         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
846         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
847
848 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
849
850         * config/sh/sh.md (prefetch): Add condition for SH2A target.
851         (prefetch_sh2a): New.   
852
853 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
854             Naveen.H.S  <naveen.hs@kpitcummins.com>
855
856         * config/sh/constraints.md (I28): New constraint.
857         * config/sh/sh.c (broken_move): Add support for movi20s.
858         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
859
860 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
861             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
862             Naveen.H.S  <naveen.hs@kpitcummins.com>
863
864         * config/sh/sh.c (SH_ATTRIBUTES): Define.
865         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
866         (print_operand): Handle resbank in %@ operand code.
867         (sh_encode_section_info): New.
868         (push_regs): Add conditions for resbank.
869         (sh_expand_epilogue): Likewise.
870         (sh_insert_attributes): Likewise.
871         (sh_attribute_table): Likewise.
872         (sh_handle_resbank_handler_attribute): New.
873         (sh2a_handle_function_vector_handler_attribute): New.
874         (sh2a_is_function_vector_call): New.
875         (sh2a_get_function_vector_number): New.
876         (sh2a_function_vector_p): New.
877         (sh_cfun_resbank_handler_p): New.
878         * config/sh/sh.md (calli): Emit jsr/n if possible.
879         (calli_tbr_rel): New.
880         (calli_pcrel): Emit jsr/n if possible.
881         (return_i): Emit rts/n if possible.
882         (call_valuei_tbr_rel): New.
883         (call_valuei_pcrel): Add condition for SH2A target.
884         (call_value): Likewise.
885         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
886         (sh2a_get_function_vector_number): Likewise.
887         (sh2a_is_function_vector_call): Likewise.
888         * doc/extend.texi: Document TBR relative addressing of SH2A.
889         (resbank): Add description for SH2A.
890
891 2008-03-24  Richard Guenther  <rguenther@suse.de>
892
893         PR c/22371
894         * gimplify.c (gimplify_modify_expr): For frontend type-correct
895         pointer assignments change conversions according to middle-end rules.
896         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
897         * configure.ac: Include type checking in yes.
898         * configure: Regenerate.
899
900 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
901
902         * diagnostic.c (diagnostic_count_diagnostic): Delete.
903         (diagnostic_report_diagnostic): Update. Handle ICEs here.
904         
905 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
906
907         * gthr-vxworks.h (UNUSED): Define.
908
909 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
910
911         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
912
913 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
914
915         * doc/extend.texi (Function Attributes): Add missing comma in the
916         example of the "alloc_size" attribute.
917         
918 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
919
920         Revert:
921         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
922
923         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
924         32bit host.
925
926         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
927
928         PR target/35496
929         * stor-layout.c (update_alignment_for_field): Set minimum alignment
930         of the underlying type of a MS bitfield layout to the natural
931         alignment of the type.
932
933         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
934
935         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
936         to their natural alignment to avoid store forwarding stalls.
937
938 2008-03-22  Richard Guenther  <rguenther@suse.de>
939
940         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
941         For PHI nodes verify the address is invariant.
942         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
943         (get_symbol_constant_value): Use is_gimple_min_invariant.
944         (maybe_fold_stmt_indirect): Likewise.
945
946 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
947
948         PR rtl-optimization/33927
949         * Makefile.in (dse.o): Depend on $(TM_P_H).
950         * expr.h (extract_low_bits): Declare.
951         * expmed.c (extract_low_bits): New function.
952         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
953         * dse.c: Include tm_p.h.
954         (find_shift_sequence): Remove the read_reg argument and return the
955         read value.  Emit the instructions instead of returning them.
956         Iterate on new_mode rather than calculating it each time.
957         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
958         source to NEW_MODE and extract_low_bits to convert the shifted
959         value to READ_MODE.
960         (replace_read): Allow the load and store to have different mode
961         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
962         or extraction instructions before trying the replacement.  Update
963         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
964
965 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
966
967         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
968         to their natural alignment to avoid store forwarding stalls.
969
970 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
971
972         PR target/27946
973         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
974         encouraging but not allowing gprs for input;
975         change the input constraint to !f#r.
976         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
977         gprs for output;
978         change the output constraint to !f#r.
979
980 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
981
982         PR target/13958
983         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
984         corresponding post-reload splitters.
985         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
986         when x87 FP math is selected.
987         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
988         New function prototype.
989         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
990         unreachable function to ease macroization of insn patterns.
991
992 2008-03-21  Martin Jambor  <mjambor@suse.cz>
993
994         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
995         reference dumps if ddr is NULL or dependence is unknown.
996
997 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
998
999         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1000         unsigned extension into account.
1001         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1002         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1003         Do computations on a scratch register.
1004
1005 2008-03-21  Richard Guenther  <rguenther@suse.de>
1006
1007         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1008         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1009         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1010         * tree-ssa-dom.c (record_equality): Likewise.
1011         * tree-inline.c (copy_body_r): Likewise.
1012         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1013         TREE_INVARIANT.
1014
1015 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1016
1017         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1018         as 'delete_unused' argument.
1019
1020 2008-03-20  Richard Guenther  <rguenther@suse.de>
1021
1022         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1023         special casing of constant qualifiers.
1024         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1025         care about them in general.
1026         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1027         regardless of their type.
1028         (fold_stmt_r): Forcefully fold *& if we end up with that.
1029
1030 2008-03-20  Paul Brook  <paul@codesourcery.com>
1031
1032         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1033         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1034         linker flags.
1035         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1036         definition.
1037         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1038         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1039
1040 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1041
1042         * common.opt (Wmudflap): New option.
1043         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1044         (mx_register_decls): Likewise.
1045         (mudflap_finish_file): Likewise.
1046         * doc/invoke.texi: Document -Wno-mudflap.
1047
1048 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1049
1050         * c-format.c (replace_format_name_to_system_name): New.
1051         (cmp_attribs): New.
1052         (convert_format_name_to_system_name): New.
1053         (decode_format_attr): Add use of convert_format_name_to_system_name.
1054         (format_types_orig): Add gnu_ prefix to names.
1055         (check_format_info_main): Special treating of \0 escaped names for
1056         supporting multi-character format specifiers as I32, I64.
1057         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1058         (gnu_target_overrides_format_attributes): New.
1059         * c-format.h: Add structure target_ovr_attr to hold
1060         system specific formatter names.
1061         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1062         msformat-c.o file to c_target_objs and cxx_target_objs.
1063         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1064         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1065         (TARGET_N_FORMAT_TYPES): New.
1066         * config/i386/msformat-c.c: New.
1067         * config/i386/t-cygming: Add build rule for msformat-c.o.
1068         * doc/extend.texi: Add new format names gnu_* and ms_* and
1069         further details.
1070         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1071
1072 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1073
1074         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1075         optimizations turned on under -O3.
1076         (ftree-vectorize): Add that the flag is turned on with -O3.
1077
1078 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1079
1080         * regmove.c (try_auto_increment): Fix spelling error in comment.
1081         * final.c (final_scan_insn): Likewise.
1082
1083 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1084
1085         PR target/14552
1086         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1087         allocator preferences for "y" and "r" class registers.
1088         ("*mov<mode>_internal"): Ditto.
1089         ("*movv2sf_internal_rex64"): Ditto.
1090         ("*movv2sf_internal"): Ditto.
1091
1092 2008-03-19  Michael Matz  <matz@suse.de>
1093
1094         PR middle-end/35616
1095         * calls.c (expand_call): Check overlap of arguments with call
1096         address for sibcalls.
1097
1098 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1099
1100         PR target/35496
1101         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1102         of the underlying type of a MS bitfield layout to the natural
1103         alignment of the type.
1104
1105 2008-03-19  Jan Hubicka  <jh@suse.cz>
1106
1107         PR other/35094
1108         * toplev.c (decode_d_option): Handle all CPP flags.
1109         * tree-vrp.c: Update tree_pass descriptors.
1110         * regrename.c: Update tree_pass descriptors.
1111         * fwprop.c: Update tree_pass descriptors.
1112         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1113         * tree-into-ssa.c: Update tree_pass descriptors.
1114         * tree-dump.c: Update tree_pass descriptors.
1115         * tree-complex.c: Update tree_pass descriptors.
1116         * tree-dump.h: Update tree_pass descriptors.
1117         * see.c: Update tree_pass descriptors.
1118         * cgraphbuild.c: Update tree_pass descriptors.
1119         * tracer.c: Update tree_pass descriptors.
1120         * tree-loop-distribution.c: Update tree_pass descriptors.
1121         * cgraph.c: Update tree_pass descriptors.
1122         * postreload-gcse.c: Update tree_pass descriptors.
1123         * postreload.c: Update tree_pass descriptors.
1124         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1125         * tree-tailcall.c: Update tree_pass descriptors.
1126         * tree-pass.h (tree_opt_pass): Rename to ...
1127         (opt_pass) ... this one; add "type" field and remove letter field.
1128         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1129         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1130         all_lowering_passes): Update declaration.
1131         * ipa-cp.c: Update tree_pass descriptors.
1132         * final.c: Update tree_pass descriptors.
1133         * omp-low.c: Update tree_pass descriptors.
1134         * tree-ssa-dse.c: Update tree_pass descriptors.
1135         * ipa-reference.c: Update tree_pass descriptors.
1136         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1137         * auto-inc-dec.c: Update tree_pass descriptors.
1138         * reorg.c: Update tree_pass descriptors.
1139         * cgraphunit.c: Update tree_pass descriptors.
1140         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1141         * tree-ssa-ccp.c: Update tree_pass descriptors.
1142         * df-core.c: Update tree_pass descriptors.
1143         * mode-switching.c: Update tree_pass descriptors.
1144         * tree-nomudflap.c: Update tree_pass descriptors.
1145         * modulo-sched.c: Update tree_pass descriptors.
1146         * ipa-pure-const.c: Update tree_pass descriptors.
1147         * cse.c: Update tree_pass descriptors.
1148         * web.c: Update tree_pass descriptors.
1149         * tree-stdarg.c: Update tree_pass descriptors.
1150         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1151         * tree-ssa-dom.c: Update tree_pass descriptors.
1152         * tree-nrv.c: Update tree_pass descriptors.
1153         * tree-ssa-alias.c: Update tree_pass descriptors.
1154         * loop-init.c: Update tree_pass descriptors.
1155         * gimple-low.c: Update tree_pass descriptors.
1156         * ipa-inline.c: Update tree_pass descriptors.
1157         * tree-ssa-sink.c: Update tree_pass descriptors.
1158         * global.c: Update tree_pass descriptors.
1159         * ifcvt.c: Update tree_pass descriptors.
1160         * jump.c: Update tree_pass descriptors.
1161         * predict.c: Update tree_pass descriptors.
1162         * tree-ssa-loop.c: Update tree_pass descriptors.
1163         * recog.c: Update tree_pass descriptors.
1164         * dse.c: Update tree_pass descriptors.
1165         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1166         * tree-eh.c: Update tree_pass descriptors.
1167         * regmove.c: Update tree_pass descriptors.
1168         * local-alloc.c
1169         * function.c: Update tree_pass descriptors.
1170         * tree-vectorizer.c: Update tree_pass descriptors.
1171         * gcse.c: Update tree_pass descriptors.
1172         * ipa-type-escape.c: Update tree_pass descriptors.
1173         * tree-if-conv.c: Update tree_pass descriptors.
1174         * init-regs.c: Update tree_pass descriptors.
1175         * ipa.c: Update tree_pass descriptors.
1176         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1177         * rtl-factoring.c: Update tree_pass descriptors.
1178         * lower-subreg.c: Update tree_pass descriptors.
1179         * bt-load.c: Update tree_pass descriptors.
1180         * tree-dfa.c: Update tree_pass descriptors.
1181         * except.c: Update tree_pass descriptors.
1182         * emit-rtl.c: Update tree_pass descriptors.
1183         * cfgexpand.c: Update tree_pass descriptors.
1184         * tree-cfgcleanup.c: Update tree_pass descriptors.
1185         * cfgcleanup.c: Update tree_pass descriptors.
1186         * tree-ssa-pre.c: Update tree_pass descriptors.
1187         * tree-sra.c: Update tree_pass descriptors.
1188         * tree-mudflap.c: Update tree_pass descriptors.
1189         * tree-ssa-copy.c: Update tree_pass descriptors.
1190         * cfglayout.c: Update tree_pass descriptors.
1191         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1192         * tree-ssa-dce.c: Update tree_pass descriptors.
1193         * tree-ssa.c: Update tree_pass descriptors.
1194         * regclass.c: Update tree_pass descriptors.
1195         * integrate.c: Update tree_pass descriptors.
1196         * tree-optimize.c: Update tree_pass descriptors.
1197         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1198         * tree-object-size.c: Update tree_pass descriptors.
1199         * combine.c: Update tree_pass descriptors.
1200         * tree-outof-ssa.c: Update tree_pass descriptors.
1201         * bb-reorder.c: Update tree_pass descriptors.
1202         * stack-ptr-mod.c: Update tree_pass descriptors.
1203         * var-tracking.c: Update tree_pass descriptors.
1204         * tree-profile.c: Update tree_pass descriptors.
1205         * tree-vect-generic.c: Update tree_pass descriptors.
1206         * reg-stack.c: Update tree_pass descriptors.
1207         * sched-rgn.c: Update tree_pass descriptors.
1208         * tree-ssa-structalias.c: Update tree_pass descriptors.
1209         * tree-cfg.c: Update tree_pass descriptors.
1210         * passes.c (current_pass): Update declaration.
1211         (finish_optimization_passes): Update.
1212         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1213         (register_one_dump_file, register_dump_files_1, next_pass_1):
1214         Update arguments.
1215         (init_optimization_passes): Update handling of new types.
1216         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1217         * ipa-struct-reorg.c: Update tree_pass descriptors.
1218         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1219         * combine-stack-adj.c: Update tree_pass descriptors.
1220         * cfgrtl.c: Update tree_pass descriptors.
1221         * dce.c: Update tree_pass descriptors.
1222         * tree-ssanames.c: Update tree_pass descriptors.
1223
1224 2008-03-19  Richard Guenther  <rguenther@suse.de>
1225
1226         PR middle-end/35609
1227         * tree-ssa.c (walk_data): New structure.
1228         (warn_uninitialized_var): If not always_executed warn with "maybe"
1229         instead of "is".
1230         (execute_early_warn_uninitialized): Compute post-dominators.
1231         Initialize always_executed before processing each basic block.
1232
1233 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1234
1235         PR target/35504
1236         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1237         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1238
1239 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1240
1241         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1242
1243 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1244
1245         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1246         is true.
1247         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1248         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1249         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1250         target after ignore has been set, and move there also the commputation
1251         of subtarget and original_target.
1252         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1253         (LANG_HOOKS_INITIALIZER): Remove it.
1254         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1255
1256 2008-03-18  Richard Guenther  <rguenther@suse.de>
1257
1258         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1259         found an expression with constants, note that in the VN for the lhs.
1260         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1261         fold them to constants if possible.  Run cleanup_cfg if done so.
1262         (execute_pre): Return todo.
1263         (do_pre): Likewise.
1264         (execute_fre): Likewise.
1265         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1266         of constants.
1267         (get_prop_source_stmt): Look through pointer conversions.
1268
1269 2008-03-18  Jan Hubicka  <jh@suse.cz>
1270
1271         * tree-pretty-print.c: Include predict.h.
1272         (dump_generic_node): Dump predictor.
1273         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1274         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1275         * gimple-low.c (lower_stmt): Likewise.
1276         * expr.c (expand_expr_real): Likewise.
1277         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1278         them.
1279         (build_predict_expr, build_predict_expr): New.
1280         * predict.h (predictor_name, build_predict_expr): Update.
1281         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1282         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1283         * predict.def (PRED_CONTINUE): Update hitrate.
1284         * tree.def (PREDICT_EXPR): Define.
1285         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1286         do not handle BIND_EXPR.
1287         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1288         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1289         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1290         operands.
1291
1292 2008-03-18  Michael Matz  <matz@suse.de>
1293
1294         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1295
1296 2008-03-18  Richard Guenther  <rguenther@suse.de>
1297
1298         * tree-gimple.h (is_gimple_invariant_address): Declare.
1299         (is_gimple_constant): Likewise.
1300         * tree-gimple.c (is_gimple_constant): New function.
1301         (is_gimple_invariant_address): Likewise.
1302         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1303         and is_gimple_invariant_address.
1304         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1305         previous change.
1306         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1307         an addressable base.
1308
1309 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1310
1311         PR middle-end/35611
1312         * gimplify.c (gimplify_expr): Gimplify second operand of
1313         OMP_ATOMIC_LOAD.
1314
1315 2008-03-17  Richard Guenther  <rguenther@suse.de>
1316
1317         PR tree-optimization/19637
1318         * fold-const.c (fold_unary): Remove restrictions of removing
1319         intermediate pointer-conversions (P2)(P1)P0.
1320         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1321         conversion to void pointer.
1322         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1323
1324 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1325
1326         PR debug/31510
1327         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1328         emulated thread local variables.
1329
1330 2008-03-16  Richard Guenther  <rguenther@suse.de>
1331
1332         PR middle-end/35607
1333         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1334         expand TREE_INVARIANT operations that are not gimple invariant.
1335
1336 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1337
1338         * doc/extend.texi (Alignment): Say that the ABI controls
1339         the __alignof__ for non-strict-alignment targets rather
1340         than being a recommendation.
1341
1342 2008-03-15  Paul Brook  <paul@codesourcery.com>
1343
1344         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1345         annotations.
1346         (arm_output_fn_unwind): Mark functions that can not be unwound.
1347
1348 2008-03-15  Paul Brook  <paul@codesourcery.com>
1349
1350         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1351         extension instructions.
1352
1353 2008-03-15  Richard Guenther  <rguenther@suse.de>
1354
1355         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1356         and fold constant aggregate refs.
1357         (fold_const_aggregate_ref): Handle string constants
1358         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1359         (evaluate_stmt): Simplify now that ccp_fold folds constant
1360         aggregate refs.
1361
1362 2008-03-15  Paul Brook  <paul@codesourcery.com>
1363
1364         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1365         (extzv): Use gen_extzv_t2.
1366         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1367
1368 2008-03-15  Richard Guenther  <rguenther@suse.de>
1369
1370         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1371         (fold_const_aggregate_ref): Likewise.
1372         (get_value): Return NULL if we don't have any values.
1373         (ccp_finalize): Set const_val to NULL after freeing it.
1374         * tree-flow.h (get_symbol_constant_value): Declare.
1375         (fold_const_aggregate_ref): Likewise.
1376         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1377
1378 2008-03-15  Richard Guenther  <rguenther@suse.de>
1379
1380         PR middle-end/35593
1381         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1382         to not produce negative array indices if not allowed.  Add
1383         parameter to indicate that.
1384         (maybe_fold_offset_to_component_ref): Allow negative array
1385         indices only for the first member of a structure.
1386         (maybe_fold_offset_to_reference): Allow negative array indices.
1387         (maybe_fold_stmt_addition): Likewise.
1388
1389 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1390             Anatoly Sokolov <aesok@post.ru>
1391
1392         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1393         (avr_arch): Add ARCH_AVR6.
1394         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1395         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1396         instead of fixed value 2.
1397         (print_operand_address): Use gs() asm specifier instead of pm().
1398         (avr_assemble_integer): (Ditto.).
1399         (avr_output_addr_vec_elt): (Ditto.).
1400         (print_operand): Handle "!" code.
1401         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1402         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1403         (AVR_HAVE_EIJMP_EICALL): Define.
1404         (AVR_3_BYTE_PC): Redefine.
1405         (AVR_2_BYTE_PC): (Ditto.).
1406         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1407         (LINK_SPEC): Add atmega2560 and atmega2561.
1408         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1409         (crtm2561.o).
1410         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1411         for 3 byte PC devices.
1412         (call_value_insn): (Ditto.).
1413         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1414         (indirect_jump): Use only for for 2 byte PC devices.
1415         (*tablejump): (Ditto.).
1416         (*indirect_jump_avr6): Add insn.
1417         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1418         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1419         instead of ijmp for 3 byte PC devices.
1420         (__tablejump2__): (Ditto.).
1421         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1422         (MULITLIB_DIRNAMES): (Ditto.). 
1423         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1424
1425 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1426
1427         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1428         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1429         ("mmx_psadbw"): Use V1DI mode for operand 0.
1430         * config/i386/i386-modes.def (V1SI): New vector mode.
1431         * config/i386/i386.c (struct builtin_description)
1432         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1433         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1434         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1435         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1436         v1di_ftype_v8qi_v8qi type.
1437         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1438
1439         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1440         __builtin_ia32_pmuludq]: Fix the mode of return value.
1441
1442 2008-03-15  Richard Guenther  <rguenther@suse.de>
1443
1444         PR middle-end/35595
1445         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1446         being a PHI_NODE.
1447
1448 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1449         
1450         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1451         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1452         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1453         unless TARGET_SERIALIZE_VOLATILE is enabled.
1454         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1455         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1456         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1457
1458 2008-03-14  Richard Guenther  <rguenther@suse.de>
1459
1460         PR tree-optimization/34172
1461         * tree-flow.h (refs_may_alias_p): Declare.
1462         (get_single_def_stmt): Likewise.
1463         (get_single_def_stmt_from_phi): Likewise.
1464         (get_single_def_stmt_with_phi): Likewise.
1465         * tree-dfa.c (refs_may_alias_p): New function.
1466         (get_single_def_stmt): Likewise.
1467         (get_single_def_stmt_from_phi): Likewise.
1468         (get_single_def_stmt_with_phi): Likewise.
1469         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1470         (vn_reference_lookup_1): New helper function.
1471         (vn_reference_lookup): Walk the virtual use-def chain to
1472         continue searching for a match if the def does not alias the
1473         reference we are looking for.
1474
1475 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1476
1477         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1478         archive and Perzl.  Update The Written Word listing.
1479
1480 2008-03-14  Richard Guenther  <rguenther@suse.de>
1481
1482         PR tree-optimization/34043
1483         PR tree-optimization/33989
1484         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1485         when doing FRE.
1486         (bitmap_find_leader): Use extra argument to verify dominance
1487         relationship inside a basic-block.
1488         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1489         (find_leader_in_sets): Adjust.
1490         (create_component_ref_by_pieces): Take extra argument for
1491         dominance check, handle lookup failures.
1492         (find_or_generate_expression): Likewise.
1493         (create_expression_by_pieces): Likewise.
1494         (insert_into_preds_of_block): Adjust.
1495         (create_value_expr_from): If asked for, verify all operands
1496         are in the blocks AVAIL_OUT set.
1497         (make_values_for_stmt): Check for SSA_NAMEs that are life
1498         over an abnormal edge.
1499         (compute_avail): Remove such check.
1500         (do_SCCVN_insertion): New function.
1501         (eliminate): If we do not find a leader suitable for replacement
1502         insert a replacement expression from SCCVN if available.
1503         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1504         (struct vn_ssa_aux): Add needs_insertion flag.
1505         * tree-ssa-sccvn.c (may_insert): New global flag.
1506         (copy_reference_ops_from_ref): Value-number union member access
1507         based on its size, not type and member if insertion is allowed.
1508         (visit_reference_op_load): For a weak match from union type
1509         punning lookup a view-converted value and insert a SSA_NAME
1510         for that value if that is not found.
1511         (visit_use): Make dumps shorter.  Do not disallow value numbering
1512         SSA_NAMEs that are life over an abnormal edge to constants.
1513         (free_scc_vn): Release inserted SSA_NAMEs.
1514         (run_scc_vn): New flag to specify whether insertion is allowed.
1515         Process SSA_NAMEs in forward order.
1516         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1517         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1518         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1519         pointer type to/from integral types that do not change the
1520         precision to regular conversions.
1521
1522 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1523
1524         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1525         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1526         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1527         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1528         input arguments and the mode of return value.  Built-in functions
1529         that operate on whole 64-bit MMX register now use V1DI mode.
1530
1531 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1532             Olga Golovanevsky  <olga@il.ibm.com>
1533
1534         PR tree-optimization/35041
1535         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1536         to locate the right position in a statement.
1537
1538 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1539
1540         PR target/34000
1541         PR target/35553
1542         * config/i386/xmmintrin.h:  Change all static inline functions to
1543         extern inline and add __gnu_inline__ attribute.
1544         * config/i386/bmintrin.h: Ditto.
1545         * config/i386/smmintrin.h: Ditto.
1546         * config/i386/tmmintrin.h: Ditto.
1547         * config/i386/mmintrin-common.h: Ditto.
1548         * config/i386/ammintrin.h: Ditto.
1549         * config/i386/emmintrin.h: Ditto.
1550         * config/i386/pmmintrin.h: Ditto.
1551         * config/i386/mmintrin.h: Ditto.
1552         * config/i386/mm3dnow.h: Ditto.
1553
1554 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1555
1556         PR middle-end/35185
1557         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1558         (lower_omp_2): New function.
1559         (lower_omp_1, lower_omp): Rewritten.
1560
1561 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1562
1563         PR 35054
1564         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1565         with the phrase "Microsoft Windows compilers".
1566         (Push/Pop Macro Pragmas): New subsection. Document
1567         #pragma push_macro and pragma pop_macro.
1568
1569 2008-03-12  Paul Brook  <paul@codesourcery.com>
1570
1571         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1572
1573 2008-03-12  Paul Brook  <paul@codesourcery.com>
1574
1575         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1576         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1577         (thumb2_addsi_shortim): Rename ...
1578         (thumb2_addsi_short): ... to this.  Allow register operands.
1579         (thumb2_subsi_short): New pattern.
1580         (thumb2_one_cmplsi2_short,
1581         thumb2_negsi2_short): New patterns and peepholes.
1582
1583 2008-03-12  Paul Brook  <paul@codesourcery.com>
1584
1585         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1586
1587 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1588
1589         * config/i386/i386.md (int_cond): New code iterator.
1590         (fp_cond): Ditto.
1591         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1592         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1593         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1594         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1595         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1596         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1597         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1598         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1599
1600 2008-03-12  Paul Brook  <paul@codesourcery.com>
1601
1602         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1603         instead of {arm,thumb}_compute_save_reg_mask.
1604         (output_return_instruction): Ditto.
1605         (thumb_unexpanded_epilogue): Ditto.
1606         (thumb1_expand_prologue): Ditto.
1607         (thumb1_output_function_prologue): Ditto.
1608         (arm_set_return_address): Ditto.
1609         (thumb_set_return_address): Ditto.
1610         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1611         regs to achieve stack alignment.
1612         (thumb1_compute_save_reg_mask): Fix compiler warning.
1613         (arm_output_epilogue): Use offsets->saved_regs_mask.
1614         Adjust stack pointer by poping call clobered registers.
1615         (arm_expand_prologue): Use offsets->saved_regs_mask.
1616         Adjust stack pointer by pushing extra registers.
1617         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1618
1619 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1620
1621         PR tree-opt/35422
1622         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1623         conversion to the operands of a multiplication.
1624
1625 2008-03-12  Richard Guenther  <rguenther@suse.de>
1626
1627         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1628         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1629         * timevar.def (TV_TREE_PHIPROP): Add.
1630         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1631         pass description.  Use TV_TREE_PHIPROP.
1632         * tree-ssa-forwprop.c: Remove phiprop code.
1633
1634 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1635
1636         PR middle-end/35549
1637         * omp-low.c (maybe_lookup_decl): Constify first argument.
1638         (use_pointer_for_field): Change last argument from bool to
1639         omp_context *.  Disallow shared copy-in/out in nested
1640         parallel if decl is shared in outer parallel too.
1641         (build_outer_var_ref, scan_sharing_clauses,
1642         lower_rec_input_clauses, lower_copyprivate_clauses,
1643         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1644
1645 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1646             Ira Rosen  <irar@il.ibm.com>
1647
1648         * tree-vectorizer.c (free_stmt_vec_info): New function.
1649         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1650         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1651         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1652         * tree-vect-transform.c (vectorizable_conversion): Free
1653         vec_oprnds0 if it was allocated.
1654         (vect_permute_store_chain): Remove unused VECs.
1655         (vectorizable_store): Free VECs that are allocated in the..
1656         function.
1657         (vect_transform_strided_load, vectorizable_load): Likewise.
1658         (vect_remove_stores): Simplify the code.
1659         (vect_transform_loop): Move code to vect_remove_stores().
1660         Call vect_remove_stores() and free_stmt_vec_info().
1661
1662 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1663
1664         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1665         TARGET_HPUX.  Revise comment.
1666         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1667         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1668         Use sr4 variant of `be' instruction when not generating PIC code.
1669         (attr_length_call): Adjust for above change.
1670
1671 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1672
1673         * ipa-reference.c (static_execute): Remove module_statics_const and
1674         associated setting code.
1675
1676 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1677
1678         PR target/35540
1679         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1680         predicate for operand 1.
1681         (paritysi2_cmp): Use register_operand predicate for operand 2.
1682         Use earlyclobber modifier for operand 1.  Remove support for
1683         memory operands.
1684         (paritydi2_cmp): Use register_operand predicate for operand 3.
1685         Use earlyclobber modifier for operand 1.  Remove support for
1686         memory operands.
1687
1688 2008-03-11  Paul Brook  <paul@codesourcery.com>
1689             Vladimir Prus  <vladimir@codesourcery.com>
1690
1691         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1692         (arm_compute_save_reg0_reg12_mask): Always
1693         check if register 11 must be saved.  Always safe hard frame pointer
1694         when frame_pointer_needeed.
1695         (arm_compute_save_reg_mask): Save IP and PC
1696         only with apcs frames.
1697         (arm_output_epilogue): Adjust Thumb2 codepath to
1698         be also invoked and work for ARM non-apcs frames.
1699         (arm_expand_prologue): Don't bother saving IP
1700         for non-apcs frame, since it's not clobbered by
1701         prologue code.  Implement non-apcs frame
1702         layout.
1703
1704 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1705
1706         PR rtl-optimization/35281
1707         * expr.c (convert_move): Use a new pseudo for the intermediate
1708         from_mode->word_mode result.
1709
1710 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1711
1712         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1713         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1714         * toplev.c (compile_file): Don't call it.
1715
1716 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1717
1718         PR middle-end/35526
1719         * expr.c (store_expr): Call emit_block_move if the mode
1720         of "temp" RTX is BLKmode.
1721
1722 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1723             Richard Guenther  <rguenther@suse.de>
1724
1725         PR tree-optimization/31358
1726         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1727         the step with a NULL_TREE.
1728         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1729         to sizetype if type is a pointer type.
1730         (add_candidate_1): Don't convert the base and step to
1731         the generic type if the orginal type is a pointer type.
1732         (add_iv_value_candidates): Use sizetype for the step
1733         if type is a pointer type.
1734         (cand_value_at): Likewise.
1735         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1736         for pointer types.
1737         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1738         Don't convert the tem affine to the type.
1739         (add_elt_to_tree): Use sizetype for the step if a pointer.
1740         Use POINTER_PLUS_EXPR for pointers.
1741         (aff_combination_to_tree): Use sizetype for the step if a
1742         pointer.
1743
1744 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1745
1746         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1747         Remove commutativity hint.
1748
1749 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1750
1751         PR c/35438
1752         PR c/35439
1753         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1754         errorneous type.  Check that v is a VAR_DECL.
1755
1756         PR middle-end/35099
1757         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1758
1759 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1760
1761         PR tree-optimization/35494
1762         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1763         may be overriden at link and run time.
1764
1765 2008-03-10  Richard Guenther  <rguenther@suse.de>
1766
1767         PR tree-optimization/34677
1768         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1769         (poolify_tree): Likewise.
1770         (modify_expr_template): Likewise.
1771         (poolify_modify_stmt): Likewise.
1772         (insert_fake_stores): Handle all component-ref style stores
1773         in addition to INDIRECT_REF.  Also handle complex types.
1774         Do not poolify the inserted load.
1775         (realify_fake_stores): Do not rebuild the tree but only
1776         make it a SSA_NAME copy.
1777         (init_pre): Remove initialzation of modify_expr_template.
1778         Do not allocate modify_expr_node_pool.
1779         (fini_pre): Do not free modify_expr_node_pool.
1780
1781 2008-03-10  Paul Brook  <paul@codesourcery.com>
1782
1783         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1784         to avoid conflicts.
1785
1786 2008-03-10  Paul Brook  <paul@codesourcery.com>
1787             Mark Shinwell  <shinwell@codesourcery.com>
1788
1789         * config/arm/cortex-r4.md: New.
1790         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1791         insn attributes.
1792         * config/arm/arm.md: Include cortex-r4.md.
1793         (insn): Add smmls, sdiv and udiv values.
1794         (generic_sched): Don't use generic scheduling for Cortex-R4.
1795         (arm_issue_rate): New function.
1796         (TARGET_SCHED_ISSUE_RATE): Define.
1797
1798 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1799
1800         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1801
1802 2008-03-10  Richard Guenther  <rguenther@suse.de>
1803
1804         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1805         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1806
1807 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1808
1809         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1810         Set default to true.
1811
1812 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1813
1814         * c.opt (Wsynth): Deprecate.
1815         * doc/invoke.texi (Option Summary, Warning Options): Document
1816         -Wno-format-contains-nul.
1817
1818 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1819
1820         PR target/35496
1821         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1822         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1823
1824 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1825
1826         * config/rs6000/rs6000.c (builtin_description): Rename vector
1827         left shift operations.
1828         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1829         (altivec_vsl<VI_char>): Rename to ...
1830         (ashl<mode>3): ... new name.
1831         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1832         gen_ashlv4si3.
1833         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1834
1835 2008-03-08  Richard Guenther  <rguenther@suse.de>
1836
1837         * coverage.h (tree_coverage_counter_addr): Declare.
1838         * coverage.c (tree_coverage_counter_addr): New function.
1839         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1840         before using again.
1841         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1842         (tree_gen_one_value_profiler): Likewise.
1843         (tree_gen_ic_profiler): Likewise.
1844         (tree_gen_average_profiler): Likewise.
1845         (tree_gen_ior_profiler): Likewise.
1846
1847 2008-03-08  Richard Guenther  <rguenther@suse.de>
1848
1849         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1850         (vn_binary_op_insert): Likewise.
1851         (vn_unary_op_lookup): Likewise.
1852         (vn_unary_op_insert): Likewise.
1853         (vn_nary_op_lookup): Declare.
1854         (vn_nary_op_insert): Likewise.
1855         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1856         and binary hashes, use a single obstack for unary_op_pool
1857         and binary_op_pool.
1858         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1859         a single struct vn_nary_op_s.  Store tree code length and
1860         a variable number of operands.
1861         (struct vn_reference_op_struct): Remove unused op2.
1862         (vn_reference_op_eq): Do not compare op2.
1863         (vn_reference_op_compute_hash): Do not compute hash of op2.
1864         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1865         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1866         with vn_nary_op_compute_hash.
1867         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1868         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1869         vn_nary_op_lookup.
1870         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1871         vn_nary_op_insert.
1872         (visit_unary_op): Call nary functions.
1873         (visit_binary_op): Likewise.
1874         (process_scc): Adjust for struct vn_tables_s changes.
1875         (allocate_vn_table): Likewise.
1876         (free_vn_table): Likewise.
1877         * tree-vn.c (vn_add): Call nary functions.
1878         (vn_lookup): Likewise.
1879
1880 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1881
1882         PR target/35498
1883         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1884         wdst back after sync_compare_and_swapqhi_internal.
1885
1886 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1887
1888         PR target/22152
1889         * config/i386/i386-modes.def (V1DI): New vector mode.
1890         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1891         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1892         (MMXMODE248): Ditto.
1893         (MMXMODE): Add V1DI mode.
1894         (mmxvecsize): Change DI mode to V1DI mode.
1895         ("mov<mode>): Use MMXMODEI8 mode iterator.
1896         ("*mov<mode>_internal_rex64"): Ditto.
1897         ("*mov<mode>_internal"): Ditto.
1898         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1899         ("mmx_sub<mode>3"): Ditto.
1900         ("mmx_adddi3"): Remove insn pattern.
1901         ("mmx_subdi3"): Ditto.
1902         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1903         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1904         ("mmx_ashl<mode>3"): Ditto.
1905         ("mmx_lshrdi3"): Remove insn pattern.
1906         ("mmx_ashldi3"): Ditto.
1907         * config/i386/i386.c (classify_argument): Handle V1DImode.
1908         (function_arg_advance_32): Ditto.
1909         (function_arg_32): Ditto.
1910         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1911         mmx_addv1di3 insn pattern.
1912         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1913         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1914         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1915         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1916         Remove definitions of built-in functions.
1917         (V1DI_type_node): New node.
1918         (v1di_ftype_v1di_int): Ditto.
1919         (v1di_ftype_v1di_v1di): Ditto.
1920         (v2si_ftype_v2si_si): Ditto.
1921         (v4hi_ftype_v4hi_di): Remove node.
1922         (v2si_ftype_v2si_di): Ditto.
1923         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1924         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1925         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1926         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1927         Add new builtins using def_builtin_const.
1928         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1929         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1930         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1931         * config/i386/mmintrin.h (__v1di): New typedef.
1932         (_mm_add_si64): Cast arguments to __v1di type.
1933         (_mm_sub_si64): Ditto.
1934         (_mm_sll_pi16): Cast __count to __v4hi type.
1935         (_mm_sll_pi32): Cast __count to __v2si type.
1936         (_mm_sll_si64): Cast arguments to __v1di type.
1937         (_mm_srl_pi16): Cast __count to __v4hi type.
1938         (_mm_srl_pi32): Cast __count to __v2si type.
1939         (_mm_srl_si64): Cast arguments to __v1di type.
1940         (_mm_sra_pi16): Cast __count to __v4hi type.
1941         (_mm_sra_pi32): Cast __count to __v2si type.
1942         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1943         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1944         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1945         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1946         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1947         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1948         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1949         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1950         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1951         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1952         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1953         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1954
1955 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1956
1957         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1958
1959 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1960
1961         PR target/35373
1962         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1963         reg+const addressing for Altivec modes.  Don't generate reg+reg
1964         addressing for TFmode or TDmode quantities.
1965
1966 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1967
1968         * c-common.c (vector_types_convertible_p): Call langhook
1969         instead of comptypes.
1970
1971 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1972
1973         PR tree-opt/35402
1974         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1975         integral and scalar float variables which have a
1976         NULL DECL_INITIAL.
1977
1978 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1979
1980         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1981         dwarf_register_span hook when emitting unwind information for
1982         register-to-memory saves.
1983         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1984         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1985
1986 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1987
1988         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1989         for the same VAR_DECL.
1990
1991 2008-03-06  Tom Tromey  <tromey@redhat.com>
1992
1993         * treelang: Delete.
1994         * doc/standards.texi (Standards): Don't mention treelang.
1995         * doc/invoke.texi (Overall Options): Don't mention treelang.
1996         * doc/install.texi (Prerequisites): Don't mention bison or
1997         treelang.
1998         (Configuration): Don't mention treelang.
1999         (Building): Likewise.
2000         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2001
2002 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2003
2004         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2005         word-extractions out of a multi-word object.
2006
2007 2008-03-06  Richard Guenther  <rguenther@suse.de>
2008
2009         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2010         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2011         result type and precision.
2012         * expr.c (get_inner_reference): Set unsignedp based on the result
2013         type of BIT_FIELD_REF.
2014         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2015         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2016         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2017         for BIT_FIELD_REF.
2018         (sra_build_assignment): Likewise.
2019         (sra_build_elt_assignment): Likewise.
2020         (sra_explode_bitfield_assignment): Likewise.
2021         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2022         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2023         set BIT_FIELD_REF_UNSIGNED.
2024         (vectorizable_load): Likewise.
2025
2026 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2027
2028         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2029         at bb start.
2030
2031 2008-03-06  Richard Guenther  <rguenther@suse.de>
2032
2033         * alias.c (struct alias_set_entry): Move has_zero_child field
2034         to pack with alias_set.
2035
2036 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2037
2038         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2039         32bit host.
2040
2041 2008-03-05  Ian Lance Taylor  <iant@google.com>
2042
2043         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2044
2045 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2046
2047         * fwprop.c (update_df): Support width and offset parameters of
2048         df_ref_create.
2049         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2050         global_conflicts): Change DF_REF_EXTRACT to either
2051         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2052         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2053         * df-scan.c (df_ref_record, df_defs_record,
2054         df_ref_create_structure, df_def_record_1, df_uses_record,
2055         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2056         df_bb_refs_collect, df_entry_block_defs_collect,
2057         df_exit_block_uses_collect): Support new width and offset fields.
2058         (ref_extract_pool): New storage pool.
2059         (df_free_ref): New function.
2060         (df_reg_chain_unlink, df_free_collection_rec,
2061         df_sort_and_compress_refs): Call df_free_ref.
2062         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2063         of df_ref_extract.
2064         (df_ref_create_structure): Allocate df_ref_extract if offset and
2065         width fields are used.
2066         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2067         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2068         and SIGN_EXTRACT.
2069         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2070         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2071         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2072         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2073         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2074         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2075         (df_ref_extract): New structure.
2076         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2077         (df_ref_create): Add width and offset parameters.
2078         
2079 2008-03-05  Richard Guenther  <rguenther@suse.de>
2080
2081         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2082         Use ranges_overlap_p.
2083         (offset_overlaps_with_access): Rename
2084         to ranges_overlap_p and move ...
2085         * tree-flow-inline.h (ranges_overlap_p): ... here.
2086
2087         * tree.h (get_inner_reference, handled_component_p): Update
2088         comments.
2089
2090         * tree.h (record_component_aliases, get_alias_set,
2091         alias_sets_conflict_p, alias_sets_must_conflict_p,
2092         objects_must_conflict_p): Move declarations ...
2093         * alias.h (record_component_aliases, get_alias_set,
2094         alias_sets_conflict_p, alias_sets_must_conflict_p,
2095         objects_must_conflict_p): ... here.
2096         Include coretypes.h.
2097         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2098
2099 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2100
2101         * cfg.c: Include tree-flow.h.
2102         (remove_edge_raw): Call redirect_edge_var_map_clear.
2103         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2104         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2105         (redirect_edge_var_map_result): New.
2106         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2107         PENDING_STMT use with redirect_edge_var_map_*.
2108         * tree-ssa.c (edge_var_maps): New definition.
2109         (redirect_edge_var_map_add): New.
2110         (redirect_edge_var_map_clear): New.
2111         (redirect_edge_var_map_dup): New.
2112         (redirect_edge_var_map_vector): New.
2113         (redirect_edge_var_map_destroy): New.
2114         (ssa_redirect_edge): Replace PENDING_STMT use with
2115         redirect_edge_var_map_*.
2116         (flush_pending_stmts): Same.
2117         (delete_tree_ssa): Destroy edge var map.
2118         * tree-flow.h (struct _edge_var_map): New.
2119         Define edge_var_map vector type.
2120         Declare redirect_edge_var_map_* prototypes.
2121         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2122         * tree-cfg.c (reinstall_phi_args): Replace
2123         PENDING_STMT use with redirect_edge_var_map_*.
2124
2125 2008-03-05  Richard Guenther  <rguenther@suse.de>
2126
2127         PR tree-optimization/35472
2128         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2129         whose single use_stmt has a overlapping set of loaded and
2130         stored symbols as that use_stmt might be a noop assignment then.
2131
2132 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2133
2134         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2135
2136 2008-03-05  Richard Guenther  <rguenther@suse.de>
2137
2138         PR c++/35336
2139         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2140         should be constants.
2141         * tree-cfg.c (verify_expr): Verify it.
2142         * fold-const.c (fold_truthop): Remove code generating
2143         BIT_FIELD_REFs of structure bases.
2144         (fold_binary): Likewise.
2145         (fold_ternary): Position and size of BIT_FIELD_REFs are
2146         always host integers.
2147         (make_bit_field_ref): Remove.
2148         (optimize_bit_field_compare): Remove.
2149         (all_ones_mask_p): Remove.
2150
2151 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2152
2153         PR gcc/33009
2154         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2155         (split_block_and_df_analyze): New. Split basic block and rebuild
2156         dataflow.
2157         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2158         SPLIT_BLOCK.
2159         (split_pattern_seq): Likewise.
2160         (erase_matching_seqs): Likewise.
2161         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2162
2163 2008-03-04  Geoff Keating  <geoffk@apple.com>
2164
2165         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2166         declaration and code.
2167         (tree_invalid_nonnegative_warnv_p): Likewise.
2168
2169 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2170
2171         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2172         examples.  Truncate option-names then causing overfull hbox.
2173
2174 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2175
2176         PR target/35222
2177         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2178         on hpux10.
2179         * configure: Rebuilt.
2180
2181 2008-03-04  Rafael Espindola  <espindola@google.com>
2182
2183         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2184         (tree_unary_nonnegative_warnv_p): New.
2185         (tree_binary_nonnegative_warnv_p): New.
2186         (tree_single_nonnegative_warnv_p): New.
2187         (tree_invalid_nonnegative_warnv_p): New.
2188         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2189
2190 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2191
2192         PR 28322
2193         * opts.c (handle_option): Postpone 'unknown option' errors only for
2194         warning options.
2195
2196 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2197
2198         PR target/35453
2199         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2200         (_SIDD_XXX): This.
2201
2202 2008-03-04  Rafael Espindola  <espindola@google.com>
2203
2204         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2205         (tree_binary_nonzero_warnv_p): New.
2206         (tree_single_nonzero_warnv_p): New.
2207         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2208
2209 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2210
2211         PR middle-end/35456
2212         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2213         transformations for modes that have signed zeros.
2214         * ifcvt.c (noce_try_abs): Ditto.
2215
2216 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2217
2218         * config/i386/i386.c (override_options): Force
2219         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2220
2221 2008-03-04  Jan Hubicka  <jh@suse.cz>
2222
2223         PR c++/35262
2224         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2225         in last commit.
2226
2227 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2228
2229         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2230         label to probe the stack.
2231
2232 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2233
2234         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2235         (__gthr_win32_mutex_destroy): Declare.
2236         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2237         __gthr_win32_mutex_destroy.
2238         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2239
2240 2008-03-03  Jan Hubicka  <jh@suse.cz>
2241
2242         PR c++/35262
2243         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2244         aggressive on inlining cold calls.
2245
2246 2008-03-03  Richard Guenther  <rguenther@suse.de>
2247
2248         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2249         struct copies into the expression table.
2250         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2251         (try_to_simplify): Likewise.
2252         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2253         integral and pointer arguments which do not change the
2254         precision to NOP_EXPRs.
2255         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2256         VIEW_CONVERT_EXPR case.
2257
2258 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2259
2260         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2261         defined in a loop at depth 0 is invariant.
2262         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2263         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2264         be called at loop depth 0.
2265
2266 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2267
2268         PR driver/35420
2269         * gcc.c (process_command): Update copyright notice dates.
2270         * gcov.c (print_version): Likewise.
2271         * gcov-dump.c (print_version): Likewise.
2272         * mips-tfile.c (main): Likewise.
2273         * mips-tdump.c (main): Likewise.
2274
2275 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2276
2277         PR 24924
2278         * c-common.c (flag_permissive): Delete.
2279         (constant_expression_warnings): Check flags first.
2280         (constant_expression_error): New.
2281         * c-common.h (flag_permissive): Delete.
2282         (constant_expression_error): Declare.
2283         * flags.h (flag_permissive): Declare. Update description.
2284         * diagnostic.c (pedwarn): Update.
2285         (permerror): New.
2286         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2287         (permissive_error_kind): New.
2288         * toplev.c (flag_permissive): Define. Update description.
2289         * toplev.h (permissive_error_kind): Declare.
2290         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2291         (pedwarn_c90): Use pedantic_warning_kind.
2292         * c-opts.c (c_common_post_options): flag_permissive does not affect
2293         flag_pedantic_errors.
2294
2295 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2296
2297         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2298         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2299         __absvsi2, __absvDI2): Use unsigned arithmetic.
2300
2301 2008-03-02  Andi Kleen  <ak@suse.de>
2302             Richard Guenther  <rguenther@suse.de>
2303
2304         * struct-equiv.c: Remove file.
2305         * cfg_cleanup.c (condjump_equiv_p): Remove.
2306         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2307         (struct-equiv.o): Remove rule.
2308         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2309         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2310         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2311
2312 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2313
2314         * ifcvt.c (noce_process_if_block): Try to handle only the then
2315         block if the else block exists but isn't suitable.
2316
2317 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2318
2319         PR gcc/35063
2320         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2321         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2322         regression from previous patch.
2323
2324 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2325
2326         PR gcc/35063
2327         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2328         implemented.
2329         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2330         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2331         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2332         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2333         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2334         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2335         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2336         (__gthread_mutex_destroy_function): Rename to
2337         __gthread_mutex_destroy.
2338         * gthr-dce.h (__gthread_mutex_destroy): Call
2339         pthread_mutex_destroy.
2340         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2341         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2342         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2343
2344 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2345
2346         * df-scan.c (df_ref_chain_change_bb): Simplify.
2347         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2348         set_block_for_insn if there's any change.
2349         * df.h ((df_insn_change_bb): Fix prototype.
2350         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2351         df_insn_change_bb, don't call set_block_for_insn.
2352         * emit-rtl.c (reorder_insns): Likewise.
2353         * haifa-sched.c (move_insn): Likewise.
2354
2355 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2356
2357         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2358
2359 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2360
2361         * tree-flow-inline.h (next_readonly_imm_use): Return
2362         NULL_USE_OPERAND_P after the end.
2363
2364 2008-03-01  Richard Guenther  <rguenther@suse.de>
2365
2366         PR tree-optimization/35411
2367         * tree-sra.c (sra_build_assignment): Split conversion to
2368         final type to a separate statement if we are not assigning
2369         to a register.
2370
2371 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2372
2373         * fold-const.c (fold_convertible_p): Correct the logic to follow
2374         that in fold_convert().
2375
2376 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2377
2378         PR c++/35315
2379         * tree-inline.c (build_duplicate_type): When we make a
2380         duplicate type, make it unique in the canonical types system.
2381
2382 2008-02-29  Tom Tromey  <tromey@redhat.com>
2383
2384         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2385         input_file_stack_history, input_file_stack_restored): Remove.
2386         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2387         * input.h (struct file_stack): Remove.
2388         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2389         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2390         Likewise.
2391         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2392         type.
2393         (diagnostic_last_module_changed): Add 'map' argument.
2394         (diagnostic_set_last_function): Likewise.
2395         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2396         line map, not input_file_stack.
2397         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2398
2399 2008-02-29  Paul Brook  <paul@codesourcery.com>
2400
2401         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2402
2403 2008-02-29  Paul Brook  <paul@codesourcery.com>
2404
2405         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2406
2407 2008-02-29  Richard Guenther  <rguenther@suse.de>
2408
2409         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2410         vn_lookup_or_add.
2411         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2412         value for comparing for a store match.
2413         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2414         (try_to_simplify): Do not do a full-blown reference lookup.
2415
2416 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2417
2418         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2419         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2420
2421         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2422
2423 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2424
2425         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2426         strides against cache sizes.
2427
2428 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2429
2430         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2431         constant to fpul.
2432
2433 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2434
2435         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2436         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2437         is smaller than the original promoted value.
2438         (simplify_subreg): If OP is a SUBREG, try to preserve its
2439         SUBREG_PROMOTED_VAR_P information.
2440
2441 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2442
2443         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2444         (VN_INFO_GET): Allocate new objects on the obstack.
2445         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2446         for rpo_numbers_temp, for consistency.
2447         (free_scc_vn): Free the obstack.
2448
2449 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2450
2451         * doc/invoke.texi: Document -ftree-loop-distribution.
2452         * tree-loop-distribution.c: New.
2453         * tree-pass.h (pass_loop_distribution): New.
2454         * graphds.h (struct graph): Add htab_t indices.
2455         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2456         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2457         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2458         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2459         * tree-data-ref.c (debug_data_dependence_relations): New.
2460         (dump_data_dependence_relation): Also print data references.
2461         (free_data_ref): Extern.
2462         (same_access_functions): Moved...
2463         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2464         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2465         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2466         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2467         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2468         (stmts_from_loop): Skip LABEL_EXPR.
2469         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2470         New.
2471         (build_rdg): Initialize rdg->indices htab.
2472         (free_rdg, stores_from_loop, ref_base_address,
2473         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2474         have_similar_memory_accesses_1, ref_base_address_1,
2475         remove_similar_memory_refs): New.
2476         * tree-data-ref.h: Depend on tree-chrec.h.
2477         (debug_data_dependence_relations, free_data_ref): Declared.
2478         (same_access_functions): ... here.
2479         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2480         New.
2481         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2482         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2483         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2484         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2485         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2486         rdg_vertex_for_stmt): Declared.
2487         (struct rdg_edge): Add level.
2488         (RDGE_LEVEL): New.
2489         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2490         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2491         Declared.
2492         (rdg_has_similar_memory_accesses): New.
2493         * tree-vect-analyze.c: Remove unused static decls.
2494         * lambda.h (dependence_level): New.
2495         * common.opt (ftree-loop-distribution): New.
2496         * tree-flow.h (mark_virtual_ops_in_bb, 
2497         slpeel_tree_duplicate_loop_to_edge_cfg,
2498         rename_variables_in_loop): Declared.
2499         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2500         (OBJS-common): Add tree-loop-distribution.o.
2501         (tree-loop-distribution.o): New rule.
2502         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2503         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2504         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2505
2506 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2507
2508         PR target/33963
2509         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2510         other than structures and unions.
2511
2512 2008-02-28  Richard Guenther  <rguenther@suse.de>
2513
2514         Revert:
2515         2008-02-26  Richard Guenther  <rguenther@suse.de>
2516
2517         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2518         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2519         (lookup_decl_from_uid): Declare.
2520         (remove_decl_from_map): Likewise.
2521         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2522         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2523         (decl_for_uid_map): New global hashtable mapping DECL_UID
2524         to the decl tree.
2525         (init_ttree): Allocate it.
2526         (insert_decl_to_uid_decl_map): New helper function.
2527         (make_node_stat): Insert new decls into the map.
2528         (copy_node_stat): Likewise.
2529         (lookup_decl_from_uid): New function.
2530         (remove_decl_from_map): Likewise.
2531         (print_decl_for_uid_map_statistics): New helper.
2532         (dump_tree_statistics): Call it.
2533
2534         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2535         (referenced_var_iterator): Adjust.
2536         (FOR_EACH_REFERENCED_VAR): Adjust.
2537         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2538         (num_referenced_vars): Adjust.
2539         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2540         (first_referenced_var): Remove.
2541         (end_referenced_vars_p): Likewise.
2542         (next_referenced_var): Likewise.
2543         (referenced_var_iterator_set): New helper function.
2544         * tree-dfa.c (referenced_var_lookup): Adjust.
2545         (referenced_var_check_and_insert): Likewise.
2546         (remove_referenced_var): Likewise.
2547         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2548         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2549         (verify_call_clobbering): Likewise.
2550         (verify_memory_partitions): Likewise.
2551         (init_tree_ssa): Allocate bitmap instead of hashtable for
2552         referenced_vars.
2553         (delete_tree_ssa): Adjust.
2554         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2555         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2556         (compute_tag_properties): Likewise.
2557         (set_initial_properties): Likewise.
2558         (find_partition_for): Likewise.
2559         (update_reference_counts): Likewise.
2560         (dump_may_aliases_for): Likewise.
2561         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2562         (add_call_clobber_ops): Likewise.
2563         (add_call_read_ops): Likewise.
2564         (get_asm_expr_operands): Likewise.
2565         * tree-into-ssa.c (dump_decl_set): Likewise.
2566         (update_ssa): Likewise.
2567         * tree-sra.c (scan_function): Likewise.
2568         (decide_instantiations): Likewise.
2569         (scalarize_parms): Likewise.
2570         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2571         (dsa_named_for): Likewise.
2572         * tree-ssa-structalias.c (update_alias_info): Likewise.
2573         (merge_smts_into): Likewise.
2574
2575 2008-02-27  David Daney  <ddaney@avtrex.com>
2576
2577         PR target/34409
2578         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2579         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2580         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2581         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2582         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2583
2584 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2585
2586         PR target/25477
2587         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2588         (BUILT_IN_NEXTTOWARD): Remove.
2589         (BUILT_IN_NEXTTOWARDF): Ditto.
2590         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2591         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2592
2593 2008-02-27  Tom Tromey  <tromey@redhat.com>
2594
2595         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2596         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2597
2598 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2599
2600         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2601         update the respective field on newdecl.
2602
2603 2008-02-27  Revital Eres  <eres@il.ibm.com>
2604
2605         PR rtl-optimization/34999
2606         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2607         crossing edges that ends with a call insn.
2608         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2609         call insn and clear the EDGE_CROSSING flag of the crossing edge
2610         when fixing fallthru edges.
2611
2612 2008-02-27  Richard Guenther  <rguenther@suse.de>
2613
2614         PR middle-end/35390
2615         * fold-const.c (fold_unary): Return the correct argument,
2616         converted to the result type.
2617
2618 2008-02-27  Richard Guenther  <rguenther@suse.de>
2619
2620         PR middle-end/34971
2621         * expr.c (expand_expr_real_1): Assert on rotates that operate
2622         on partial modes.
2623         * fold-const.c (fold_binary): Use the types precision, not the
2624         bitsize of the mode if folding rotate expressions.  Build rotates
2625         only for full modes.
2626
2627 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2628
2629         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2630         and CPP_PRAGMA_EOL.
2631         * c-pragma.c (pragma_ns_name): New typedef.
2632         (registered_pp_pragmas): New variable.
2633         (c_pp_lookup_pragma): New function.
2634         (c_register_pragma_1): If flag_preprocess_only, do nothing
2635         for non-expanded pragmas, for expanded ones push pragma's
2636         namespace and name into registered_pp_pragmas vector.
2637         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2638         flag_preprocess_only, don't register GCC pch_preprocess
2639         pragma if flag_preprocess_only.
2640         * c-opts.c (c_common_init): Call init_pragma even if
2641         flag_preprocess_only.
2642         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2643         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2644         cpp_register_pragma if flag_preprocess_only.
2645
2646 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2647
2648         PR c/28800
2649         * c-parser.c (c_parser_translation_unit): Warn for empty
2650         translation unit, not empty source file.
2651
2652 2008-02-26  Paul Brook  <paul@codesourcery.com>
2653
2654         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2655         operand for Thumb-2.
2656         * config/arm/arm.h (reg_class): Add CORE_REGS.
2657         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2658         (BASE_REG_CLASS): Use CORE_REGS.
2659         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2660         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2661         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2662         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2663         ARM_REGNO_OK_FOR_INDEX_P.
2664         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2665         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2666         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2667         (ldm/stm peepholes): Ditto.
2668         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2669         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2670         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2671         * config/arm/constraints.md: Enable "k" constraint on ARM.
2672
2673 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2674
2675         * config/rs6000/rs6000.c: Annotate cache line size field in all
2676         instances of struct processor_costs.
2677
2678 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2679
2680         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2681         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2682         jump_bypass): New counters.
2683         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2684         * dce.c (gate_ud_dce): Same.
2685         (gate_fast_dce): Same.
2686         * dse.c (gate_dse1): New function.
2687         (gate_dse2): New function.
2688         (gate_dse): Merge results of new gate functions.
2689         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2690         (gate_handle_jump_bypass): Add dbg_cnt.
2691         (gate_handle_gcse): Add dbg_cnt.
2692         * ifcvt.c (gate_handle_if_conversion): Same.
2693         (gate_handle_if_after_combine): Same.
2694         (gate_handle_if_after_reload): Same.
2695         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2696
2697 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2698
2699         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2700         line sizes.
2701         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2702
2703 2008-02-26  Jason Merrill  <jason@redhat.com>
2704
2705         PR c++/35315
2706         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2707         alone if it's the naming decl for the type's main variant.
2708
2709 2008-02-26  Tom Tromey  <tromey@redhat.com>
2710
2711         * system.h (USE_MAPPED_LOCATION): Poison.
2712         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2713         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2714         (make_goto_expr_edges): Likewise.
2715         (remove_bb): Likewise.
2716         (execute_warn_function_return): Likewise.
2717         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2718         location_t.
2719         * c-common.c (fname_decl): Remove old location code.
2720         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2721         location code.
2722         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2723         variant.
2724         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2725         (gen_rtx_ASM_INPUT): Likewise.
2726         (gen_rtx_ASM_INPUT_loc): Likewise.
2727         (get_rtx_asm_OPERANDS): Remove.
2728         * cfglayout.c (insn_locators_alloc): Remove old location code.
2729         (set_curr_insn_source_location): Likewise.
2730         (curr_insn_locator): Likewise.
2731         * print-tree.c (print_node): Remove old location code.
2732         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2733         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2734         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2735         location_from_locus.
2736         (construct_exit_block): Remove old location code.
2737         * emit-rtl.c (force_next_line_note): Remove old location code.
2738         * profile.c (branch_prob): Remove old location code.
2739         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2740         LOC_LINE): Remove old-location variants.
2741         * langhooks.c (lhd_print_error_function): Remove old location
2742         code.
2743         * configure, config.in: Rebuilt.
2744         * configure.ac (--enable-mapped-location): Remove.
2745         * c-decl.c (c_init_decl_processing): Remove old location code.
2746         (finish_function): Likewise.
2747         * recog.c (decode_asm_operands): Remove old location code.
2748         * c-pch.c (c_common_read_pch): Remove old location code.
2749         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2750         variants.
2751         * gimple-low.c (lower_function_body): Remove old location code.
2752         * toplev.c (unknown_location): Remove.
2753         (push_srcloc): Remove old-location variant.
2754         (process_options): Remove old location code.
2755         (lang_dependent_init): Likewise.
2756         * input.h (UNKNOWN_LOCATION): Move definition.
2757         (location_t): Undeprecate.
2758         (source_locus): Remove.
2759         (location_from_locus): Remove.
2760         (struct location_s): Remove.
2761         Remove all old-location code.
2762         (input_line, input_filename): Remove.
2763         * final.c (final_scan_insn): Remove old location code.
2764         * diagnostic.c (diagnostic_build_prefix): Remove
2765         USE_MAPPED_LOCATION test.
2766         * tree.h (gimple_stmt) <locus>: Now a location_t.
2767         (tree_exp) <locus>: Likewise.
2768         (DECL_IS_BUILTIN): Remove old-location variant.
2769         (annotate_with_file_line, annotate_with_locus): Likewise.
2770         (expr_locus, set_expr_locus): Update.
2771         * tree.c (build1_stat): Remove old location code.
2772         (last_annotated_node): Remove.
2773         (annotate_with_file_line): Remove old-location variant.
2774         (annotate_with_locus): Likewise.
2775         (expr_location): Remove old location code.
2776         (set_expr_location): Likewise.
2777         (expr_has_location): Likewise.
2778         (expr_locus): Likewise.
2779         (set_expr_locus): Likewise.
2780         (expr_filename): Don't use location_from_locus.
2781         (expr_lineno): Likewise.
2782         * rtl-error.c (location_for_asm): Remove old location code.
2783         * c-lex.c (cb_line_change): Remove old location code.
2784         (fe_file_change): Likewise.
2785         (cb_def_pragma): Likewise.
2786         (c_lex_with_flags): Likewise.
2787         * gengtype.c (do_typedef): Don't special-case location types.
2788         (define_location_structures): Remove.
2789         (main): Don't call define_location_structures.
2790         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2791         code.
2792
2793 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2794
2795         PR 26264
2796         * builtins.def (BUILT_IN_STDARG_START): Remove.
2797         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2798         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2799         * tree-inline.c (inline_forbidden_p_1): Likewise.
2800         
2801 2008-02-26  Richard Guenther  <rguenther@suse.de>
2802
2803         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2804         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2805         (lookup_decl_from_uid): Declare.
2806         (remove_decl_from_map): Likewise.
2807         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2808         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2809         (decl_for_uid_map): New global hashtable mapping DECL_UID
2810         to the decl tree.
2811         (init_ttree): Allocate it.
2812         (insert_decl_to_uid_decl_map): New helper function.
2813         (make_node_stat): Insert new decls into the map.
2814         (copy_node_stat): Likewise.
2815         (lookup_decl_from_uid): New function.
2816         (remove_decl_from_map): Likewise.
2817         (print_decl_for_uid_map_statistics): New helper.
2818         (dump_tree_statistics): Call it.
2819
2820         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2821         (referenced_var_iterator): Adjust.
2822         (FOR_EACH_REFERENCED_VAR): Adjust.
2823         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2824         (num_referenced_vars): Adjust.
2825         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2826         (first_referenced_var): Remove.
2827         (end_referenced_vars_p): Likewise.
2828         (next_referenced_var): Likewise.
2829         (referenced_var_iterator_set): New helper function.
2830         * tree-dfa.c (referenced_var_lookup): Adjust.
2831         (referenced_var_check_and_insert): Likewise.
2832         (remove_referenced_var): Likewise.
2833         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2834         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2835         (verify_call_clobbering): Likewise.
2836         (verify_memory_partitions): Likewise.
2837         (init_tree_ssa): Allocate bitmap instead of hashtable for
2838         referenced_vars.
2839         (delete_tree_ssa): Adjust.
2840         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2841         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2842         (compute_tag_properties): Likewise.
2843         (set_initial_properties): Likewise.
2844         (find_partition_for): Likewise.
2845         (update_reference_counts): Likewise.
2846         (dump_may_aliases_for): Likewise.
2847         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2848         (add_call_clobber_ops): Likewise.
2849         (add_call_read_ops): Likewise.
2850         (get_asm_expr_operands): Likewise.
2851         * tree-into-ssa.c (dump_decl_set): Likewise.
2852         (update_ssa): Likewise.
2853         * tree-sra.c (scan_function): Likewise.
2854         (decide_instantiations): Likewise.
2855         (scalarize_parms): Likewise.
2856         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2857         (dsa_named_for): Likewise.
2858         * tree-ssa-structalias.c (update_alias_info): Likewise.
2859         (merge_smts_into): Likewise.
2860
2861 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2862
2863         PR 34351
2864         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2865         * c-opts.c (c_common_handle_option): Wall enables
2866         Wvolatile-register-var.
2867         * common.opt: Move Wvolatile-register-var to...
2868         * c.opt: ...here.
2869         
2870 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2871
2872         * common.opt (Wlarger-than=): New.
2873         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2874         -Wlarger-than=.
2875         * opts.c (common_handle_option): Handle -Wlarger-than=.
2876         * optc-gen.awk: Likewise.
2877         * opth-gen.awk: Likewise.
2878         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2879         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2880         
2881 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2882
2883         * c-common.c (match_case_to_enum_1): Add appropriate
2884         OPT_W* parameter to warning.
2885         (c_do_switch_warnings): Likewise.
2886         * c-typeck.c (warning_init): Add one more parameter following
2887         'warning' function.
2888         (push_init_level): Update call to warning_init.
2889         (pop_init_level): Likewise.
2890         (add_pending_init): Likewise.
2891         (output_init_element: Likewise.
2892
2893 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2894
2895         PR 28322
2896         * toplev.c (toplev_main): If there are warnings or error, print
2897         errors for ignored options.
2898         * opts.c (ignored_options): New static variable.
2899         (postpone_unknown_option_error): New.
2900         (print_ignored_options): New.
2901         (handle_option): Postpone errors for unknown -Wno-* options.
2902         * opts.h (print_ignored_options): Declare.
2903         
2904 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2905
2906         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2907         to "ghost".
2908
2909 2008-02-25  Richard Guenther  <rguenther@suse.de>
2910
2911         Revert:
2912         2008-02-25  Richard Guenther  <rguenther@suse.de>
2913
2914         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2915         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2916         (lookup_decl_from_uid): Declare.
2917         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2918         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2919         (decl_for_uid_map): New global hashtable mapping DECL_UID
2920         to the decl tree.
2921         (init_ttree): Allocate it.
2922         (insert_decl_to_uid_decl_map): New helper function.
2923         (make_node_stat): Insert new decls into the map.
2924         (copy_node_stat): Likewise.
2925         (lookup_decl_from_uid): New function.
2926         (print_decl_for_uid_map_statistics): New helper.
2927         (dump_tree_statistics): Call it.
2928
2929         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2930         (referenced_var_iterator): Adjust.
2931         (FOR_EACH_REFERENCED_VAR): Adjust.
2932         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2933         (num_referenced_vars): Adjust.
2934         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2935         (first_referenced_var): Remove.
2936         (end_referenced_vars_p): Likewise.
2937         (next_referenced_var): Likewise.
2938         (referenced_var_iterator_set): New helper function.
2939         * tree-dfa.c (referenced_var_lookup): Adjust.
2940         (referenced_var_check_and_insert): Likewise.
2941         (remove_referenced_var): Likewise.
2942         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2943         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2944         (verify_call_clobbering): Likewise.
2945         (verify_memory_partitions): Likewise.
2946         (init_tree_ssa): Allocate bitmap instead of hashtable for
2947         referenced_vars.
2948         (delete_tree_ssa): Adjust.
2949         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2950         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2951         (compute_tag_properties): Likewise.
2952         (set_initial_properties): Likewise.
2953         (find_partition_for): Likewise.
2954         (update_reference_counts): Likewise.
2955         (dump_may_aliases_for): Likewise.
2956         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2957         (add_call_clobber_ops): Likewise.
2958         (add_call_read_ops): Likewise.
2959         (get_asm_expr_operands): Likewise.
2960         * tree-into-ssa.c (dump_decl_set): Likewise.
2961         (update_ssa): Likewise.
2962         * tree-sra.c (scan_function): Likewise.
2963         (decide_instantiations): Likewise.
2964         (scalarize_parms): Likewise.
2965         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2966         (dsa_named_for): Likewise.
2967         * tree-ssa-structalias.c (update_alias_info): Likewise.
2968         (merge_smts_into): Likewise.
2969
2970 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2971
2972         PR fortran/29549
2973         * doc/invoke.texi (-fcx-limited-range): Document new option.
2974         * toplev.c (process_options): Handle -fcx-fortran-rules.
2975         * common.opt: Add documentation for -fcx-fortran-rules.
2976
2977 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2978
2979         PR c/35162
2980         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2981         actual behaviour and C99.
2982         
2983 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2984
2985         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2986         (ASM_CPU_POWER6_SPEC): Likewise.
2987         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2988         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2989         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2990
2991 2008-02-25  Richard Guenther  <rguenther@suse.de>
2992
2993         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2994         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2995         (lookup_decl_from_uid): Declare.
2996         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2997         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2998         (decl_for_uid_map): New global hashtable mapping DECL_UID
2999         to the decl tree.
3000         (init_ttree): Allocate it.
3001         (insert_decl_to_uid_decl_map): New helper function.
3002         (make_node_stat): Insert new decls into the map.
3003         (copy_node_stat): Likewise.
3004         (lookup_decl_from_uid): New function.
3005         (print_decl_for_uid_map_statistics): New helper.
3006         (dump_tree_statistics): Call it.
3007
3008         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3009         (referenced_var_iterator): Adjust.
3010         (FOR_EACH_REFERENCED_VAR): Adjust.
3011         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3012         (num_referenced_vars): Adjust.
3013         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3014         (first_referenced_var): Remove.
3015         (end_referenced_vars_p): Likewise.
3016         (next_referenced_var): Likewise.
3017         (referenced_var_iterator_set): New helper function.
3018         * tree-dfa.c (referenced_var_lookup): Adjust.
3019         (referenced_var_check_and_insert): Likewise.
3020         (remove_referenced_var): Likewise.
3021         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3022         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3023         (verify_call_clobbering): Likewise.
3024         (verify_memory_partitions): Likewise.
3025         (init_tree_ssa): Allocate bitmap instead of hashtable for
3026         referenced_vars.
3027         (delete_tree_ssa): Adjust.
3028         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3029         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3030         (compute_tag_properties): Likewise.
3031         (set_initial_properties): Likewise.
3032         (find_partition_for): Likewise.
3033         (update_reference_counts): Likewise.
3034         (dump_may_aliases_for): Likewise.
3035         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3036         (add_call_clobber_ops): Likewise.
3037         (add_call_read_ops): Likewise.
3038         (get_asm_expr_operands): Likewise.
3039         * tree-into-ssa.c (dump_decl_set): Likewise.
3040         (update_ssa): Likewise.
3041         * tree-sra.c (scan_function): Likewise.
3042         (decide_instantiations): Likewise.
3043         (scalarize_parms): Likewise.
3044         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3045         (dsa_named_for): Likewise.
3046         * tree-ssa-structalias.c (update_alias_info): Likewise.
3047         (merge_smts_into): Likewise.
3048
3049 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3050
3051         PR target/35258
3052         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3053         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3054         * alias.h (nonoverlapping_memrefs_p): Likewise.
3055
3056 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3057
3058         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3059         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3060         __emultls_get_address, __emultls_register_common,
3061         __floatundi?f, and _Unwind_GetIPInfo.
3062         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3063         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3064         (gen_regparm_prefix): Likewise.
3065         (i386_nlm_encode_section_info): Sync with
3066         config/i386/winnt.c:i386_pe_encode_section_info().
3067         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3068         i386_nlm_mangle_decl_assembler_name): New.
3069         (netware_override_options): New.
3070         * config/i386/netware.h (netware_override_options): Declare.
3071         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3072         (i386_nlm_mangle_decl_assembler_name): Declare.
3073         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3074
3075 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3076
3077         PR other/32948
3078         * c-decl.c (grokdeclarator): Remove unused local variables
3079         `typedef_type' and `type_as_written'.
3080         * bb-reorder.c
3081         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3082         unused local variable `has_hot_blocks'.
3083         (fix_crossing_conditional_branches): Remove unused local variable
3084         `prev_bb'.
3085         
3086 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3087
3088         PR middle-end/19984
3089         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3090         using DEF_C99_BUILTIN.
3091         (BUILT_IN_NANF): Ditto.
3092         (BUILT_IN_NANL): Ditto.
3093
3094 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3095             Revital Eres  <eres@il.ibm.com>
3096
3097         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3098         regarding the order of two dependent insns in the same row.
3099
3100 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3101
3102         * stor-layout.c (layout_decl): Do not bump the alignment of a
3103         bit-field to more than byte alignment if it is packed.
3104
3105 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3106
3107         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3108         e300c2 and e300c3.
3109
3110 2008-02-24  Diego Novillo  <dnovillo@google.com>
3111
3112         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3113
3114         PR 33738
3115         * tree-vrp.c (vrp_evaluate_conditional): With
3116         -Wtype-limits, emit a warning when comparing against a
3117         constant outside the natural range of OP0's type.
3118         * c.opt (Wtype-limits): Move ...
3119         * common.opt (Wtype-limits): ... here.
3120
3121 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3122
3123         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3124         * config/rs6000/e300c2c3.md: New file.
3125         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3126         e300c2 and e300c3.
3127         (rs6000_override_options): Add e300c2 and e300c3 cases to
3128         processor_target_table. Do not allow usage of Altivec or Spe
3129         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3130         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3131         * config/rs6000/rs6000.h (processor_type): Add
3132         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3133         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3134         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3135         and ppce300c3. Include e300c2c3.md.
3136
3137 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3138
3139         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3140         instead of TARGET_STRICT_ALIGN.
3141
3142 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3143
3144         * explow.c (memory_address): Assert that the generated address is
3145         valid.
3146
3147 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3148
3149         PR target/25477
3150         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3151         * config/darwin-ppc-ldouble-patch.def: New file.
3152         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3153         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3154         SUBTARGET_INIT_BUILTINS if defined.
3155         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3156         New functions.
3157
3158 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3159
3160         PR rtl-opt/33512
3161         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3162         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3163
3164 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3165
3166         PR pch/35027
3167         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3168         file" warning condtional on -Winvalid-PCH.
3169
3170 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3171
3172         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3173
3174 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3175
3176         PR target/22076
3177         PR target/34256 
3178         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3179         prevent reload from using MMX registers.
3180         (*mov<mode>_internal): Ditto.
3181         (*movv2sf_internal_rex64): Ditto.
3182         (*movv2sf_internal): Ditto.
3183
3184 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3185
3186         PR documentation/31569
3187         * doc/install.texi2html: Use makeinfo --no-number-sections.
3188
3189 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3190
3191         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3192         ensure that we can address an entire entity > 8 bytes.  Don't
3193         generate reg+reg addressing for such data.
3194
3195 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3196
3197         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3198         strings when optimizing for size, unless the target cares about
3199         alignment.
3200
3201 2008-02-22  Tom Tromey  <tromey@redhat.com>
3202
3203         * regclass.c (current_pass): Remove declaration.
3204
3205 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3206
3207         * config/avr/libgcc.S (__RAMPZ__): Define.
3208         (__do_copy_data): Add for devices with 128KB code memory.
3209
3210 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3211
3212         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3213         Use spe_abi.
3214         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3215
3216 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3217
3218         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3219         GENNONACR_REGS.
3220
3221 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3222
3223         PR c/19999
3224         * c-typeck.c (build_binary_op): Warn about floating point
3225         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3226
3227 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3228
3229         PR target/34526
3230         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3231         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3232         add vrsave.
3233         (rs6000_override_options): Set altivec_abi as default, not override,
3234         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3235         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3236         is used; use new member spe_abi.
3237         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3238         spe_abi and altivec_abi.
3239
3240 2008-02-22  Tomas Bily  <tbily@suse.cz>
3241
3242         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3243
3244 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3245
3246         PR bootstrap/35273
3247         * config.build (build_file_translate): Set to `CMD //c' only if
3248         it works.
3249         * Makefile.in (build_file_translate): Improve comment.
3250
3251 2008-02-21  Jan Hubicka  <jh@suse.cz>
3252
3253         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3254         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3255         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3256
3257 2008-02-21  Michael Matz  <matz@suse.de>
3258
3259         PR target/35264
3260         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3261
3262 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3263
3264         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3265         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3266         as insn constraint.
3267         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3268         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3269         SSE_VEC_FLOAT_MODE_P as insn constraint.
3270         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3271         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3272         sse4a_movntdf using MODEF mode iterator.
3273         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3274         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3275         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3276         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3277         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3278         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3279         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3280
3281 2008-02-21  Richard Guenther  <rguenther@suse.de>
3282
3283         * tree.def (PAREN_EXPR): New tree code.
3284         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3285         and PAREN_EXPR.
3286         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3287         * expr.c (expand_expr_real_1): Likewise.
3288         * tree-inline.c (estimate_num_insns_1): Likewise.
3289         * tree-complex.c (expand_complex_move): Likewise.
3290         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3291         as plain x.
3292
3293 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3294
3295         PR target/35225
3296         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3297
3298 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3299
3300         PR target/35190
3301         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3302
3303         * config/sh/sh.c (find_barrier): Don't go past
3304         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3305
3306 2008-02-20  DJ Delorie  <dj@redhat.com>
3307
3308         * config/h8300/h8300.md (insv): Force source operand to be a register.
3309
3310         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3311         as a jump, not as a plain insn.
3312         
3313 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3314
3315         * doc/invoke.texi (Warning Options): Add new option
3316         -Wframe-larger-than=.
3317         (-Wframe-larger-than): Document.
3318
3319         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3320         Add declarations for new option variables.
3321
3322         * final.c (final_start_function): Check the frame size
3323         before emission and issue a Wframe-larger-than warning.
3324
3325         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3326         Add definitions for new option variables.
3327         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3328
3329         * common.opt (Wframe-larger-than=): New option.
3330
3331 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3332
3333         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3334         (<sse>_div<mode>3): Ditto.
3335         (<sse>_vmdiv<mode>3): Ditto.
3336         (<sse>_vmsqrt<mode>2): Ditto.
3337         (*smax<mode>3): Ditto.
3338         (sse5_frcz<mode>2): Ditto.
3339         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3340         as insn constraint.
3341
3342 2008-02-20  Richard Guenther  <rguenther@suse.de>
3343
3344         PR middle-end/35265
3345         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3346         be happy with INTEGRAL_TYPE_P.
3347
3348 2008-02-20  Richard Guenther  <rguenther@suse.de>
3349
3350         * fold-const.c (split_tree): Associate floatig-point expressions
3351         if flag_associative_math is set.
3352
3353 2008-02-20  Richard Guenther  <rguenther@suse.de>
3354
3355         * tree.h (fold_real_zero_addition_p): Declare.
3356         * fold-const.c (fold_real_zero_addition_p): Export.
3357         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3358         floating-point operations with zero and one.
3359
3360 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3361
3362         * doc/install.texi: Correct references to CFLAGS, replacing them
3363         with BOOT_CFLAGS.  Document flags used during bootstrap for
3364         target libraries.
3365                                 
3366 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3367
3368         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3369         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3370         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3371         insn constraint.
3372         (smin<mode>3): Ditto from similar patterns.
3373         (smax<mode>3): Ditto.
3374         (*ieee_smin<mode>3): Ditto.
3375         (*ieee_smax<mode>3): Ditto.
3376         * config/i386/sse.md (sse): New mode attribute.
3377         (mov<mode>): Macroize expander from movv4sf and movv2df using
3378         SSEMODEF2P mode iterator.
3379         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3380         SSE_VEC_FLOAT_MODE_P as insn constraint.
3381         (storent<mode>): Ditto.
3382         (storent<mode>): Macroize expander from storentsf and storentdf using
3383         MODEF mode iterator.
3384         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3385         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3386         (abs<mode>2): Ditto from similar patterns.
3387         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3388         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3389         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3390         (<sse>_vmsqrt<mode>2): Ditto.
3391         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3392         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3393         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3394         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3395         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3396         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3397         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3398         insn constraint.
3399         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3400         iterator and SSE_FLOAT_MODE_P as insn constraint.
3401         (<sse>_ucomi): Ditto from similar patterns.
3402         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3403         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3404         SSE_VEC_FLOAT_MODE_P as insn constraint.
3405         (vcond<mode>): Ditto from similar patterns.
3406         (and<mode>3, *and<mode>3): Ditto.
3407         (<sse>_nand<mode>3): Ditto.
3408         (ior<mode>3, *ior<mode>3): Ditto.