1 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
3 * expr.c (expand_var): Delete it.
4 * expr.h (expand_var): Delete prototype.
5 * function.c (expand_function_start): Use expand_decl instead.
6 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
9 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
11 PR rtl-optimization/35542
12 * fwprop.c (forward_propagate_and_simplify): Replace
13 loc_reg_mentioned_in_p with reg_mentioned_p.
15 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
17 PR rtl-optimization/35281
18 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
19 (propagate_rtx_1): Handle PR_HANDLE_MEM.
20 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
21 (varying_mem_p): Move above propagate_rtx.
22 (all_uses_available_at): Do not check MEMs.
24 2008-04-02 Rafael Espindola <espindola@google.com>
26 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
27 (register_edge_assert_for_2): Split the cond argument.
28 (register_edge_assert_for_1): Adjust for the change in
29 register_edge_assert_for_2.
30 (register_edge_assert_for): Split the cond argument.
31 (find_switch_asserts): Adjust for the change in
32 register_edge_assert_for.
34 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
36 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
37 * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
38 offsets for 64-bit mingw.
39 * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
40 abi for x86_64-pc-mingw.
42 2008-04-02 Richard Guenther <rguenther@suse.de>
44 * tree-vrp.c (extract_range_from_assert): Make sure to not
45 produce range min/max with TREE_OVERFOW set.
46 If merging a anti-range and a range keep the anti-range if
47 the range covers all values of the type.
48 (register_edge_assert_for_2): Only allow sign-changing
49 conversions in detecting canonical range checks. Also
50 register an assert for the unsigned name if useful.
52 PR tree-optimization/35787
53 * tree-vrp.c (vrp_val_max): New function.
54 (vrp_val_min): Likewise.
55 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
56 (vrp_val_is_min): Likewise.
57 (supports_overflow_infinity): Use vrp_val_{min,max}.
58 (negative_overflow_infinity): Likewise.
59 (positive_overflow_infinity): Likewise.
60 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
61 (is_positive_overflow_infinity): Likewise.
62 (is_overflow_infinity): Likewise.
63 (avoid_overflow_infinity): Use vrp_val_{min,max} and
65 (set_and_canonicalize_value_range): Canonicalize anti-ranges
66 to ranges if possible. Avoid empty ranges.
68 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
71 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
72 the expression is a function address.
74 2008-04-01 George Helffrich <george@gcc.gnu.org>
76 PR fortran/PR35154, fortran/PR23057
77 * fortran/trans-common.c (create_common): Add decl to function
78 chain to preserve identifier scope in debug output.
80 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
81 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
82 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
83 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
85 (dbxout_syms): Check for COMMON-based symbol and wrap in
86 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
87 in bracket for efficiency.
89 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
90 using DW_TAG_common_block + member offset.
91 (add_pubname_string): New function.
92 (dw_expand_expr): New function to find block name and offset for
94 (common_check): New function to check whether symbol in Fortran COMMON.
95 (gen_variable_die): If COMMON, use DW_TAG_common_block.
97 * testsuite/gcc.dg/debug/pr35154.c: New test to check that non-Fortran
98 use of common is unchanged.
100 * testsuite/lib/gfortran-dg.exp: New harness to compile Fortran progs
101 with all combinations of debug options available on target.
102 * testsuite/gfortran.dg/debug/debug.exp: Ditto.
103 * testsuite/gfortran.dg/debug/trivial.f: Ditto.
104 * testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
105 .stabs functionality.
106 * testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
109 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
112 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
114 2008-04-02 Ben Elliston <bje@au.ibm.com>
116 * config/v850/v850.md (casesi): Remove if (0) code.
117 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
118 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
120 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
122 * config/i386/i386.md (rex64suffix): New mode attribute.
123 (floathi<mode>2): Disable expander for SSE math.
124 (*floathi<mode>2_1): New insn insn_and_split pattern.
125 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
126 corresponding post-reload splitters.
127 (*floathi<mode>2_i387): New macroized insn pattern.
128 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
129 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
130 insn_and_split pattern.
131 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
132 New macroized instruction patterns and corresponding post-reload
134 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
135 and corresponding post-reload splitters.
136 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
137 New macroized instruction patterns.
138 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
139 macroized instruction patterns and corresponding post-reload splitters.
140 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
141 corresponding post-reload splitters.
142 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
143 New macroized instruction patterns.
144 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
145 corresponding post-reload splitters.
146 (*floatsi<mode>2_i387): New macroized instruction patterns.
148 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
150 * config/i386/i386.md (smaxmin): New.
152 (maxminiprefix): Likewise.
153 (maxminfprefix): Likewise.
154 (<code><mode>3): Likewise.
155 (smin<mode>3): Removed.
156 (smax<mode>3): Likewise.
158 * config/i386/mmx.md (mmx_<code>v2sf3): New.
159 (mmx_<code>v4hi3): Likewise.
160 (mmx_<code>v8qi3): Likewise.
161 (mmx_smaxv2sf3): Removed.
162 (mmx_sminv2sf3): Likewise.
163 (mmx_umaxv8qi3): Likewise.
164 (mmx_smaxv4hi3): Likewise.
165 (mmx_uminv8qi3): Likewise.
166 (mmx_sminv4hi3): Likewise.
168 * config/i386/sse.md (<addsub><mode>3): New.
169 (*<addsub><mode>3): Likewise.
170 (<sse>_vm<addsub><mode>3): Likewise.
171 (<maxmin><mode>3): Likewise.
172 (*<maxmin><mode>3_finite): Likewise.
173 (*<maxmin><mode>3): Likewise.
174 (<sse>_vm<maxmin><mode>3): Likewise.
175 (sse3_h<addsub>v4sf3): Likewise.
176 (sse3_h<addsub>v2df3): Likewise.
177 (<maxmin>v16qi3): Likewise.
178 (*<maxmin>v16qi3): Likewise.
179 (<maxmin>v8hi3): Likewise.
180 (*<maxmin>v8hi3): Likewise.
181 (*sse4_1_<maxmin><mode>3): Likewise.
182 (*sse4_1_<maxmin><mode>3): Likewise.
183 (add<mode>3): Removed.
184 (*add<mode>3): Likewise.
185 (<sse>_vmadd<mode>3): Likewise.
186 (sub<mode>3): Likewise.
187 (*sub<mode>3): Likewise.
188 (<sse>_vmsub<mode>3): Likewise.
189 (smin<mode>3): Likewise.
190 (*smin<mode>3_finite): Likewise.
191 (*smin<mode>3): Likewise.
192 (<sse>_vmsmin<mode>3): Likewise.
193 (smax<mode>3): Likewise.
194 (*smax<mode>3_finite): Likewise.
195 (*smax<mode>3): Likewise.
196 (<sse>_vmsmax<mode>3): Likewise.
197 (sse3_haddv4sf3): Likewise.
198 (sse3_haddv2df3): Likewise.
199 (sse3_hsubv4sf3): Likewise.
200 (sse3_hsubv2df3): Likewise.
201 (umaxv16qi3): Likewise.
202 (*umaxv16qi3): Likewise.
203 (smaxv8hi3): Likewise.
204 (*smaxv8hi3): Likewise.
205 (*sse4_1_smax<mode>3): Likewise.
206 (*sse4_1_umax<mode>3): Likewise.
207 (uminv16qi3): Likewise.
208 (*uminv16qi3): Likewise.
209 (sminv8hi3): Likewise.
210 (*sminv8hi3): Likewise.
211 (*sse4_1_smin<mode>3): Likewise.
212 (*sse4_1_umin<mode>3): Likewise.
214 2008-04-01 Rafael Espindola <espindola@google.com>
216 * tree-cfg.c (verify_expr): remove in_phi.
217 (verify_stmt): Don't call walk_tree with verify_expr. Use
218 is_gimple_min_invariant instead of is_gimple_val.
220 2008-04-01 Joseph Myers <joseph@codesourcery.com>
222 * doc/include/gpl_v3.texi: Update for manpage generation.
223 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
225 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
226 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
227 gpl_v3.texi instead of gpl.texi.
230 2008-04-01 Jakub Jelinek <jakub@redhat.com>
233 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
235 2008-04-01 Rafael Espindola <espindola@google.com>
237 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
238 (extract_code_and_val_from_cond): Use
239 extract_code_and_val_from_cond_with_ops.
241 2008-04-01 Jan Hubicka <jh@suse.cz>
243 * function.c (free_after_compilation): Free epilogue_delay_list.
244 (prepare_function_start): Assert that previous compilation was freed.
246 2008-04-01 Jan Hubicka <jh@suse.cz>
247 Jim Wilson <wilson@tuliptree.org>
248 Andreas Tobler <andreast@gcc.gnu.org>
251 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
252 rtl.emit instead cfun->emit.
253 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
254 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
256 2008-04-01 Ben Elliston <bje@au.ibm.com>
258 * doc/c-tree.texi (Function Basics): Fix grammatical error.
260 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
262 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
264 (fprofile-use): Add var flag_profile_use
265 * coverage.c (coverage_begin_output): Do not open a gcno file for
266 output only if -ftest-coverage is set.
267 Do not add getpwd() to gcda file path.
268 (build_gcov_info): Check the new flag
269 flag_profile_datafile_relative_path.
270 (coverage_init): Use profile_data_prefix.
271 Read profile counter only if flag_profile_use is set.
272 * opts.c (common_handle_option): New option fprofile-use=,
273 fprofile-dir=, fprofile-generate=.
274 * toplev.c (profile_data_prefix): New variable definition.
275 * toplev.h (profile_data_prefix): New declaration.
276 * doc/invoke.tex (Option Summary, Optimization Options):
279 2008-03-31 James E. Wilson <wilson@tuliptree.org>
281 * varasm.c (output_constant_pool_1): In LABEL_REF check,
282 use tmp consistently.
285 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
286 * config/ia64/ia64.c (rtx_needs_barrier): Handle
287 UNSPEC_FR_RECIP_APPROX_RES.
288 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
290 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
293 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
295 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
298 * fold-const.c (fold_indirect_ref_1): Support accessing non first
299 element of the vector via a pointer.
301 2008-03-31 Ian Lance Taylor <iant@google.com>
303 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
305 2008-03-31 Jan Hubicka <jh@suse.cz>
307 * builtins.c (expand_builtin_setjmp_receiver): Update call of
308 get_arg_pointer_save_area.
309 * expr.c (init_expr): Just clear out rtl.expr.
310 * function.c (free_after_compilation): Clear out whole RTL structure.
311 (get_func_frame_size): Merge into ...
312 (get_frame_size): ... this one.
313 (assign_stack_local_1): Merge into ...
314 (assign_stack_local): ... this one.
315 (expand_function_end): Update call of get_arg_pointer_save_area.
316 (get_art_pointer_save_area): Remove cfun argument.
317 * function.h (emit_status): regno_pointer_align does not need length
318 attribute. Move x_regno_reg_rtx to ...
319 (regno_reg_rtx): ... new global array.
320 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
321 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
322 apply_args_value, forced_labels, stack_pointer_delta):
324 (struct varasm_status): Move here from varasm.c
325 (struct rtl_data): New. Move here some fields from struct function.
326 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
327 frame_offset, stack_check_probe_note, arg_pointer_save_area,
328 used_temp_slots avail_temp_slots, temp_slot_level,
329 nonlocal_goto_handler_labels): Update accesstors.
330 (rtl): New global variable.
331 (struct function): Move some fileds to rtl_data.
332 (get_arg_pointer_save_area): Update prototype.
333 * emit-rtl.c (rtl): Declare.
334 (regno_reg_rtx): Declare.
335 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
337 (gen_reg_rtx): Update.
338 (init_virtual_regs): Do not tate emit_status argument.
339 (init_emit): Do not allocate emit.
340 * varasm.c (varasm_statuc): Move to function.h.
341 (n_deferred_constatns): Update accestor.
342 (init_varasm_status): Do not allocate varasm_status.
343 (force_const_mem, get_pool_size, output_constant_pool): Update.
344 * stmt.c (force_label_rtx): Do not use x_ prefixes.
345 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
347 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
349 PR rtl-optimization/35729
350 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
353 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
356 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
357 load/store if memory is unaligned.
358 (*movti_rex64): Likewise.
360 * config/i386/predicates.md (misaligned_operand): New.
362 2008-03-31 Andrew Pinski <pinskia@gmail.com>
365 * tree-ssa-phiopt.c (conditional_replacement): Return early for
368 2008-03-31 Jan Beulich <jbeulich@novell.com>
370 * config/ia64/constraints.md: Add 'j' constraint.
371 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
372 (movdi_internal): Likewise.
374 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
377 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
379 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
382 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
383 proper error message for the third argument on blendpd and
386 * config/i386/sse.md (blendbits): New.
387 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
389 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
391 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
393 2008-03-30 Richard Guenther <rguenther@suse.de>
396 * fold-const.c (fold_sign_changed_comparison): Do leave
397 conversions to base-types alone.
399 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
401 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
402 the link register if one altivec register is be saved.
404 2008-03-30 Ben Elliston <bje@au.ibm.com>
406 * final.c (final_scan_insn): Remove if (0) code.
408 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
410 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
412 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
414 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
415 of V4SFmode to ix86_binary_operator_ok.
417 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
419 * config/i386/i386.c (override_options): Initialize
420 ix86_veclib_handler to ix86_veclibabi_svml when
421 -mveclibabi=svml is used.
422 (ix86_veclibabi_svml): New function for SVML ABI style
423 vectorization support.
424 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
426 2008-03-28 Rafael Espindola <espindola@google.com>
428 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
429 (tree_binary_nonnegative_warnv_p): Make it public.
430 (tree_single_nonnegative_warnv_p): Make it public.
431 (tree_invalid_nonnegative_warnv_p): Make it public.
432 (tree_unary_nonzero_warnv_p): Make it public.
433 (tree_binary_nonzero_warnv_p): Make it public
434 (tree_single_nonzero_warnv_p): Make it public.
435 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
436 (extract_range_from_binary_expr): Split the expr argument.
437 (extract_range_from_unary_expr): Split the expr argument.
438 (extract_range_from_comparison): Split the expr argument.
439 (extract_range_from_expr): Use the new aux functions.
440 (vrp_evaluate_conditional_warnv): Use
441 vrp_evaluate_conditional_warnv_with_ops.
442 * tree.h (tree_unary_nonzero_warnv_p): Declare.
443 (tree_binary_nonzero_warnv_p): Declare.
444 (tree_single_nonzero_warnv_p): Declare.
445 (tree_expr_nonzero_warnv_p): Declare.
446 (tree_unary_nonnegative_warnv_p): Declare.
447 (tree_binary_nonnegative_warnv_p): Declare.
448 (tree_single_nonnegative_warnv_p): Declare.
449 (tree_invalid_nonnegative_warnv_p): Declare.
451 2008-03-28 Richard Guenther <rguenther@suse.de>
453 PR tree-optimization/30317
454 PR tree-optimization/30911
455 PR tree-optimization/34793
456 * tree-vrp.c (set_and_canonicalize_value_range): New function.
457 (struct assert_locus_d): New member EXPR.
458 (register_new_assert_for): Add EXPR parameter to support
459 ASSERT_EXPR <name, expr OP limit>.
460 (register_edge_assert_for_1): Adjust callers.
461 (find_assert_locations): Likewise.
462 (process_assert_insertions_for): Build condition from expression.
463 (extract_range_from_assert): Handle ASSERT_EXPRs
464 of the form ASSERT_EXPR <name, expr OP limit>.
465 (register_edge_assert_for_2): New helper registering
466 asserts for comparisons. Recognize range tests of the form
467 (unsigned)i - CST1 OP CST2.
468 (register_edge_assert_for_1): Use it.
469 (register_edge_assert_for): Likewise.
470 (needs_overflow_infinity): Integer sub-types
471 do not need overflow infinities.
472 (vrp_val_is_max): The extreme values of integer sub-types
473 are those of the base type.
474 (vrp_val_is_min): Likewise.
475 * tree.def (ASSERT_EXPR): Document extra allowed conditional
478 2008-03-28 Nick Clifton <nickc@redhat.com>
480 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
481 Return GENERAL_REGS for stack adjustment reloads.
483 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
486 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
487 const_vector when all the vectors are constant.
489 2008-03-27 Bob Wilson <bob.wilson@acm.org>
491 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
493 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
494 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
496 (s<code>_sf): Use new scc_sf attribute for opcode names.
498 2008-03-27 Tom Tromey <tromey@redhat.com>
500 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
501 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
502 config/spu/t-spu-elf, config/i386/t-interix,
503 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
504 config/i386/x-darwin, config/i386/x-mingw32,
505 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
506 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
507 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
508 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
509 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
510 config/rs6000/x-darwin, config/rs6000/t-rs6000,
511 config/score/t-score-elf, config/arm/t-strongarm-pe,
512 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
513 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
514 Revert automatic dependency patch.
516 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
519 * config/i386/i386.c (ix86_function_arg_boundary): Align
520 decimal floating point to its natural boundary.
522 2008-03-27 Richard Guenther <rguenther@suse.de>
525 * fold-const.c (fold_comparison): Restrict distinct decl
526 comparison folding to VAR_DECLs and PARM_DECLs. Do not
527 solely rely on operand_equal_p.
529 2008-03-27 Richard Guenther <rguenther@suse.de>
532 * c-common.c (handle_weak_attribute): Reject combination of
535 2008-03-27 Richard Guenther <rguenther@suse.de>
537 PR tree-optimization/32810
538 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
539 conversions from DECL_INITIAL.
540 (fold_const_aggregate_ref): Likewise from constructor elements.
542 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
544 * tree-affine.h (aff_combination_expand): Declare.
545 (get_inner_reference_aff): Likewise.
546 * tree-affine.c (aff_combination_expand): Split out from
547 tree_to_aff_combination_expand.
548 (get_inner_reference_aff): New function.
549 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
550 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
551 (struct lim_aux_data): sm_done field removed.
552 (mem_ref_loc_p, mem_ref_locs_p): New types.
553 (struct mem_ref): Added id, stored, accesses_in_loop,
554 indep_loop, dep_loop, indep_ref, dep_ref fields.
555 Removed is_stored, locs and next fields.
556 (memory_accesses): New variable.
557 (movement_possibility): Do not allow moving statements
558 that store to memory.
559 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
561 (determine_max_movement): For statements with memory references,
562 find the outermost loop in that the reference is independent.
563 (move_computations_stmt): Mark the virtual operands for renaming.
564 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
565 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
566 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
567 add_vop_ref_mapping, create_vop_ref_mapping_loop,
568 create_vop_ref_mapping, analyze_memory_references,
569 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
570 get_all_locs_in_loop, ref_always_accessed_p,
571 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
572 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
573 store_motion_loop, store_motion): New functions.
574 (struct vop_to_refs_elt): New type.
575 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
576 memref_hash, memref_eq, hoist_memory_references): Rewritten.
577 (schedule_sm): Replaced by...
578 (execute_sm): ... this.
579 (determine_lsm_ref, hoist_memory_references,
580 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
581 find_more_ref_vops, free_mem_ref, free_mem_refs,
582 determine_lsm_loop, determine_lsm): Removed.
583 (tree_ssa_lim_finalize): Free data structures used by store motion.
584 (tree_ssa_lim): Call analyze_memory_references. Use
585 store_motion instead of determine_lsm.
587 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
589 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
590 rename tmake_file to m68hc11/t-m68hc11.
591 (mcore): Set inhibit_libc to true.
592 * config.host (alpha*-dec-*vms*): Set extra_programs.
593 (interix3*): Don't use host_xmake_file.
594 * configure.ac: Let config.gcc override inhibit_libc.
595 * configure: Regenerate.
597 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
598 * config/t-openbsd-thread: Remove commented out lines.
600 * config/x-interix: Remove.
602 * config/m68hc11/t-m68hc11-gas: Rename to...
603 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
605 * config/mcore/t-mcore: Remove T_CFLAGS.
606 * config/mcore/t-mcore-pe: Likewise.
608 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
610 * configure.ac: Replace custom __GNU_SOURCE test with
611 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
612 * aclocal.m4: Regenerate.
613 * configure: Regenerate.
614 * config.in: Regenerate.
616 2008-03-27 Richard Guenther <rguenther@suse.de>
618 * fold-const.c (target.h): Include.
619 (fold_comparison): Fold comparison of addresses of decls
620 that bind locally or of constants. Consolidate address folding code.
621 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
622 results from fold_binary_to_constant.
623 (compare_values_warnv): Likewise.
625 2008-03-27 Andrew Pinski <pinskia@gmail.com>
628 * fold-const.c (fold_truthop): Check for integeral types when folding
629 a == 0 && b == 0 and a != 0 || b != 0 .
631 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
633 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
635 2008-03-26 Andreas Schwab <schwab@suse.de>
637 * doc/invoke.texi: Fix use of @item vs. @itemx.
639 2008-03-26 Tom Tromey <tromey@redhat.com>
641 * Makefile.in (build/gensupport.o, build/print-rtl.o,
642 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
643 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
644 build/gencodes.o, build/genconditions.o, build/genconfig.o,
645 build/genconstants.o, build/genemit.o, build/genextract.o,
646 build/genflags.o, build/genmddeps.o, build/genopinit.o,
647 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
650 2008-03-26 Richard Guenther <rguenther@suse.de>
653 2008-03-26 Richard Guenther <rguenther@suse.de>
655 * fold-const.c (target.h): Include.
656 (fold_comparison): Fold comparison of addresses of two decls
657 that bind locally. Consolidate address folding code.
659 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
661 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
662 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
663 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
664 dconstsqrt2, dconstthird, dconste and/or dconst10.
665 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
666 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
667 dconstsqrt2, dconste): Delete.
668 (init_emit_once): Likewise. Simplify initializing dconstm1.
670 * real.c (get_real_const): New.
671 * real.h (dconst3, dconst10, dconstm2, dconstthird,
672 dconstsqrt2, dconste): Delete.
673 (real_value_const, get_real_const): New.
675 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
677 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
679 * config/i386/i386.c (ix86_function_arg_boundary): Check
680 BIGGEST_ALIGNMENT instead of 128.
681 (setup_incoming_varargs_64): Likewise.
683 2008-03-26 Tom Tromey <tromey@redhat.com>
685 * Makefile.in (DEPFILES): Add missing '/'.
687 2008-03-26 Richard Guenther <rguenther@suse.de>
689 * fold-const.c (target.h): Include.
690 (fold_comparison): Fold comparison of addresses of two decls
691 that bind locally. Consolidate address folding code.
693 2008-03-26 Nick Clifton <nickc@redhat.com>
696 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
697 not allow INT+INT as a legitimate addressing mode.
699 2008-03-26 Richard Guenther <rguenther@suse.de>
701 * tree-flow.h (widen_bitfield): Remove declaration.
702 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
703 (widen_bitfield): Remove function.
704 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
707 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
710 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
713 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
715 PR rtl-optimization/35232
716 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
717 (forget_old_reloads_1, forget_marked_reloads): Don't clear
718 reg_reloaded_call_part_clobbered here.
719 (reload_regs_reach_end_p): New function.
720 (reload_reg_rtx_for_input): New variable.
721 (reload_reg_rtx_for_output): Likewise.
722 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
723 when reassigning a pseudo register. Load reloadreg from
724 reload_reg_rtx_for_input, moving the mode and register
726 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
727 instead of the original when deciding whether an input reload
728 would be a no-op or whether an output reload can be deleted.
729 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
730 when setting up new_spill_reg_store. Load it from
731 reload_reg_rtx_for_output, moving the mode and register
733 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
734 instead of the original when deciding whether an output reload
735 would be a no-op. Do the same when modifying insn notes.
736 Use rtx_equal_p instead of == to compare the registers.
737 (inherit_piecemeal_p): Take a mode and two register numbers
739 (emit_reload_insns): Clear new_spill_reg_store for every hard
740 register in the reload register. Remove spill registers
741 from reg_reloaded_valid before considering whether to record
742 inheritance information for them. Use reload_reg_rtx_for_output
743 instead of reg_rtx when recording output reloads. Use
744 reload_reg_rtx_for_input instead of reg_rtx when recording
745 input reloads. Set or clear reg_reloaded_call_part_clobbered
746 at the same time as setting reg_reloaded_valid.
747 (delete_output_reload): Add a new_reload_reg parameter and use it
748 instead of rld[j].reg_rtx.
749 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
752 2008-03-25 Tom Tromey <tromey@redhat.com>
754 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
755 (build/genattr.o): Likewise.
756 (build/genattrtab.o): Likewise.
757 (build/gencodes.o): Likewise.
758 (build/genconfig.o): Likewise.
759 (build/genconstants.o): Likewise.
760 (build/genemit.o): Likewise.
761 (build/genextract.o): Likewise.
762 (build/genflags.o): Likewise.
764 2008-03-25 Bob Wilson <bob.wilson@acm.org>
766 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
767 instead of size_int for integer types.
768 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
769 to match type of MINUS_EXPR.
771 2008-03-25 Tom Tromey <tromey@redhat.com>
773 * configure: Rebuilt.
774 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
777 2008-03-25 Tom Tromey <tromey@redhat.com>
779 * config/x-solaris (host-solaris.o): Update.
780 * config/x-linux (host-linux.o): Update.
781 * config/x-hpux (host-hpux.o): Update.
782 * config/x-darwin (host-darwin.o): Update.
783 * config/v850/t-v850e (v850-c.o): Update.
784 * config/v850/t-v850 (v850-c.o): Update.
785 * config/t-vxworks (vxworks.o): Update.
786 * config/t-sol2 (sol2-c.o, sol2.o): Update.
787 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
788 * config/spu/t-spu-elf (spu-c.o): Update.
790 * config/sh/t-symbian (sh-c.o): Update.
792 * config/sh/t-sh (sh-c.o): Update.
793 * config/score/t-score-elf (score7.o, score3.o): Update.
794 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
795 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
796 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
797 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
799 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
800 * config/m32c/t-m32c (m32c-pragma.o): Update.
801 * config/ia64/t-ia64 (ia64-c.o): Update.
802 * config/i386/x-mingw32 (host-mingw32.o): Update.
803 * config/i386/x-i386 (driver-i386.o): Update.
804 * config/i386/x-darwin (host-i386-darwin.o): Update.
805 * config/i386/x-cygwin (host-cygwin.o): Update.
806 * config/i386/t-nwld (nwld.o): Update.
807 * config/i386/t-netware (netware.o): Update.
808 * config/i386/t-interix (winnt.o): Update.
809 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
810 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
811 msformat-c.o): Update.
812 * config/bfin/t-bfin-linux (generated_files): Add
813 linux-sysroot-suffix.h.
814 * config/arm/t-wince-pe (pe.o): Update.
815 * config/arm/t-strongarm-pe (pe.o): Update.
816 * config/arm/t-pe (pe.o): Update.
817 * config/arm/t-arm (arm-c.o): Update.
818 * doc/install.texi (Prerequisites): Require make 3.80.
819 * Makefile.in: Remove .o targets.
820 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
821 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
822 (simple_generated_h, simple_generated_c): Move earlier.
823 (generated_files): New variable.
824 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
825 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
826 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
827 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
828 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
829 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
830 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
831 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
832 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
833 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
834 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
835 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
837 (COMPILE.base, COMPILE): New variables.
838 (%.o): New pattern rule.
839 (ALL_HOST_OBJS): New variable.
840 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
841 (dummy-checksum.o, cc1-checksum.o): Remove.
842 (DRIVER_SHLIB): New variable.
843 (DRIVER_DEFINES): Use it.
844 (gencondmd.c): Move out of build/.
845 (s-conditions): Update.
846 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
847 (ALL_BUILD_OBJS): Likewise.
848 (build/%.o): Use BUILDCOMPILE.
849 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
850 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
851 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
852 build/gencheck.o, build/gencodes.o, build/genconditions.o,
853 build/genconfig.o, build/genconstants.o, build/genemit.o,
854 build/genextract.o, build/genflags.o, build/genmddeps.o,
855 build/genopinit.o, build/genoutput.o, build/genpeep.o,
856 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
857 build/gen-protos.o, build/scan.o, build/fix-header.o,
858 build/scan-decls.o): Simplify.
859 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
860 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
861 prefix.o, toplev.o): Reduce to variable setting.
862 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
863 ($(out_object_file), gcc-options.o): New targets.
864 ($(ALL_HOST_OBJS)): New target. Include dependency files.
865 * configure: Rebuilt.
866 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
867 * doc/sourcebuild.texi (Front End Directory): Document new variable.
869 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
871 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
872 complain when we hit an error, return ERROR_MARK_NODE.
874 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
876 * config/sh/constraints.md (Pso, Psz): New constraints.
877 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
878 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
880 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
882 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
883 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
885 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
887 * config/sh/sh.md (prefetch): Add condition for SH2A target.
888 (prefetch_sh2a): New.
890 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
891 Naveen.H.S <naveen.hs@kpitcummins.com>
893 * config/sh/constraints.md (I28): New constraint.
894 * config/sh/sh.c (broken_move): Add support for movi20s.
895 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
897 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
898 Jayant Sonar <Jayant.sonar@kpitcummins.com>
899 Naveen.H.S <naveen.hs@kpitcummins.com>
901 * config/sh/sh.c (SH_ATTRIBUTES): Define.
902 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
903 (print_operand): Handle resbank in %@ operand code.
904 (sh_encode_section_info): New.
905 (push_regs): Add conditions for resbank.
906 (sh_expand_epilogue): Likewise.
907 (sh_insert_attributes): Likewise.
908 (sh_attribute_table): Likewise.
909 (sh_handle_resbank_handler_attribute): New.
910 (sh2a_handle_function_vector_handler_attribute): New.
911 (sh2a_is_function_vector_call): New.
912 (sh2a_get_function_vector_number): New.
913 (sh2a_function_vector_p): New.
914 (sh_cfun_resbank_handler_p): New.
915 * config/sh/sh.md (calli): Emit jsr/n if possible.
916 (calli_tbr_rel): New.
917 (calli_pcrel): Emit jsr/n if possible.
918 (return_i): Emit rts/n if possible.
919 (call_valuei_tbr_rel): New.
920 (call_valuei_pcrel): Add condition for SH2A target.
921 (call_value): Likewise.
922 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
923 (sh2a_get_function_vector_number): Likewise.
924 (sh2a_is_function_vector_call): Likewise.
925 * doc/extend.texi: Document TBR relative addressing of SH2A.
926 (resbank): Add description for SH2A.
928 2008-03-24 Richard Guenther <rguenther@suse.de>
931 * gimplify.c (gimplify_modify_expr): For frontend type-correct
932 pointer assignments change conversions according to middle-end rules.
933 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
934 * configure.ac: Include type checking in yes.
935 * configure: Regenerate.
937 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
939 * diagnostic.c (diagnostic_count_diagnostic): Delete.
940 (diagnostic_report_diagnostic): Update. Handle ICEs here.
942 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
944 * gthr-vxworks.h (UNUSED): Define.
946 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
948 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
950 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
952 * doc/extend.texi (Function Attributes): Add missing comma in the
953 example of the "alloc_size" attribute.
955 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
958 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
960 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
963 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
966 * stor-layout.c (update_alignment_for_field): Set minimum alignment
967 of the underlying type of a MS bitfield layout to the natural
968 alignment of the type.
970 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
972 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
973 to their natural alignment to avoid store forwarding stalls.
975 2008-03-22 Richard Guenther <rguenther@suse.de>
977 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
978 For PHI nodes verify the address is invariant.
979 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
980 (get_symbol_constant_value): Use is_gimple_min_invariant.
981 (maybe_fold_stmt_indirect): Likewise.
983 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
985 PR rtl-optimization/33927
986 * Makefile.in (dse.o): Depend on $(TM_P_H).
987 * expr.h (extract_low_bits): Declare.
988 * expmed.c (extract_low_bits): New function.
989 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
990 * dse.c: Include tm_p.h.
991 (find_shift_sequence): Remove the read_reg argument and return the
992 read value. Emit the instructions instead of returning them.
993 Iterate on new_mode rather than calculating it each time.
994 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
995 source to NEW_MODE and extract_low_bits to convert the shifted
997 (replace_read): Allow the load and store to have different mode
998 classes. Use extract_low_bits when SHIFT == 0. Create the shift
999 or extraction instructions before trying the replacement. Update
1000 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1002 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
1004 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1005 to their natural alignment to avoid store forwarding stalls.
1007 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1010 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1011 encouraging but not allowing gprs for input;
1012 change the input constraint to !f#r.
1013 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1015 change the output constraint to !f#r.
1017 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
1020 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1021 corresponding post-reload splitters.
1022 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1023 when x87 FP math is selected.
1024 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1025 New function prototype.
1026 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1027 unreachable function to ease macroization of insn patterns.
1029 2008-03-21 Martin Jambor <mjambor@suse.cz>
1031 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1032 reference dumps if ddr is NULL or dependence is unknown.
1034 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1036 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1037 unsigned extension into account.
1038 (ATOMIC_COMPARE_AND_SWAP): Likewise.
1039 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1040 Do computations on a scratch register.
1042 2008-03-21 Richard Guenther <rguenther@suse.de>
1044 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1045 Use is_gimple_min_invariant instead of TREE_INVARIANT.
1046 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1047 * tree-ssa-dom.c (record_equality): Likewise.
1048 * tree-inline.c (copy_body_r): Likewise.
1049 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1052 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1054 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1055 as 'delete_unused' argument.
1057 2008-03-20 Richard Guenther <rguenther@suse.de>
1059 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1060 special casing of constant qualifiers.
1061 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1062 care about them in general.
1063 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1064 regardless of their type.
1065 (fold_stmt_r): Forcefully fold *& if we end up with that.
1067 2008-03-20 Paul Brook <paul@codesourcery.com>
1069 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1070 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1072 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1074 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1075 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1077 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
1079 * common.opt (Wmudflap): New option.
1080 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1081 (mx_register_decls): Likewise.
1082 (mudflap_finish_file): Likewise.
1083 * doc/invoke.texi: Document -Wno-mudflap.
1085 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
1087 * c-format.c (replace_format_name_to_system_name): New.
1089 (convert_format_name_to_system_name): New.
1090 (decode_format_attr): Add use of convert_format_name_to_system_name.
1091 (format_types_orig): Add gnu_ prefix to names.
1092 (check_format_info_main): Special treating of \0 escaped names for
1093 supporting multi-character format specifiers as I32, I64.
1094 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1095 (gnu_target_overrides_format_attributes): New.
1096 * c-format.h: Add structure target_ovr_attr to hold
1097 system specific formatter names.
1098 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1099 msformat-c.o file to c_target_objs and cxx_target_objs.
1100 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1101 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1102 (TARGET_N_FORMAT_TYPES): New.
1103 * config/i386/msformat-c.c: New.
1104 * config/i386/t-cygming: Add build rule for msformat-c.o.
1105 * doc/extend.texi: Add new format names gnu_* and ms_* and
1107 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1109 2008-03-20 Ira Rosen <irar@il.ibm.com>
1111 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1112 optimizations turned on under -O3.
1113 (ftree-vectorize): Add that the flag is turned on with -O3.
1115 2008-03-20 Ben Elliston <bje@au.ibm.com>
1117 * regmove.c (try_auto_increment): Fix spelling error in comment.
1118 * final.c (final_scan_insn): Likewise.
1120 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
1123 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1124 allocator preferences for "y" and "r" class registers.
1125 ("*mov<mode>_internal"): Ditto.
1126 ("*movv2sf_internal_rex64"): Ditto.
1127 ("*movv2sf_internal"): Ditto.
1129 2008-03-19 Michael Matz <matz@suse.de>
1132 * calls.c (expand_call): Check overlap of arguments with call
1133 address for sibcalls.
1135 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
1138 * stor-layout.c (update_alignment_for_field): Set minimum alignment
1139 of the underlying type of a MS bitfield layout to the natural
1140 alignment of the type.
1142 2008-03-19 Jan Hubicka <jh@suse.cz>
1145 * toplev.c (decode_d_option): Handle all CPP flags.
1146 * tree-vrp.c: Update tree_pass descriptors.
1147 * regrename.c: Update tree_pass descriptors.
1148 * fwprop.c: Update tree_pass descriptors.
1149 * doc/invoke.texi: Remove documentation of dropped -d? flags.
1150 * tree-into-ssa.c: Update tree_pass descriptors.
1151 * tree-dump.c: Update tree_pass descriptors.
1152 * tree-complex.c: Update tree_pass descriptors.
1153 * tree-dump.h: Update tree_pass descriptors.
1154 * see.c: Update tree_pass descriptors.
1155 * cgraphbuild.c: Update tree_pass descriptors.
1156 * tracer.c: Update tree_pass descriptors.
1157 * tree-loop-distribution.c: Update tree_pass descriptors.
1158 * cgraph.c: Update tree_pass descriptors.
1159 * postreload-gcse.c: Update tree_pass descriptors.
1160 * postreload.c: Update tree_pass descriptors.
1161 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1162 * tree-tailcall.c: Update tree_pass descriptors.
1163 * tree-pass.h (tree_opt_pass): Rename to ...
1164 (opt_pass) ... this one; add "type" field and remove letter field.
1165 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1166 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1167 all_lowering_passes): Update declaration.
1168 * ipa-cp.c: Update tree_pass descriptors.
1169 * final.c: Update tree_pass descriptors.
1170 * omp-low.c: Update tree_pass descriptors.
1171 * tree-ssa-dse.c: Update tree_pass descriptors.
1172 * ipa-reference.c: Update tree_pass descriptors.
1173 * tree-ssa-uncprop.c: Update tree_pass descriptors.
1174 * auto-inc-dec.c: Update tree_pass descriptors.
1175 * reorg.c: Update tree_pass descriptors.
1176 * cgraphunit.c: Update tree_pass descriptors.
1177 * tree-ssa-copyrename.c: Update tree_pass descriptors.
1178 * tree-ssa-ccp.c: Update tree_pass descriptors.
1179 * df-core.c: Update tree_pass descriptors.
1180 * mode-switching.c: Update tree_pass descriptors.
1181 * tree-nomudflap.c: Update tree_pass descriptors.
1182 * modulo-sched.c: Update tree_pass descriptors.
1183 * ipa-pure-const.c: Update tree_pass descriptors.
1184 * cse.c: Update tree_pass descriptors.
1185 * web.c: Update tree_pass descriptors.
1186 * tree-stdarg.c: Update tree_pass descriptors.
1187 * tree-ssa-math-opts.c: Update tree_pass descriptors.
1188 * tree-ssa-dom.c: Update tree_pass descriptors.
1189 * tree-nrv.c: Update tree_pass descriptors.
1190 * tree-ssa-alias.c: Update tree_pass descriptors.
1191 * loop-init.c: Update tree_pass descriptors.
1192 * gimple-low.c: Update tree_pass descriptors.
1193 * ipa-inline.c: Update tree_pass descriptors.
1194 * tree-ssa-sink.c: Update tree_pass descriptors.
1195 * global.c: Update tree_pass descriptors.
1196 * ifcvt.c: Update tree_pass descriptors.
1197 * jump.c: Update tree_pass descriptors.
1198 * predict.c: Update tree_pass descriptors.
1199 * tree-ssa-loop.c: Update tree_pass descriptors.
1200 * recog.c: Update tree_pass descriptors.
1201 * dse.c: Update tree_pass descriptors.
1202 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1203 * tree-eh.c: Update tree_pass descriptors.
1204 * regmove.c: Update tree_pass descriptors.
1206 * function.c: Update tree_pass descriptors.
1207 * tree-vectorizer.c: Update tree_pass descriptors.
1208 * gcse.c: Update tree_pass descriptors.
1209 * ipa-type-escape.c: Update tree_pass descriptors.
1210 * tree-if-conv.c: Update tree_pass descriptors.
1211 * init-regs.c: Update tree_pass descriptors.
1212 * ipa.c: Update tree_pass descriptors.
1213 * tree-ssa-phiopt.c: Update tree_pass descriptors.
1214 * rtl-factoring.c: Update tree_pass descriptors.
1215 * lower-subreg.c: Update tree_pass descriptors.
1216 * bt-load.c: Update tree_pass descriptors.
1217 * tree-dfa.c: Update tree_pass descriptors.
1218 * except.c: Update tree_pass descriptors.
1219 * emit-rtl.c: Update tree_pass descriptors.
1220 * cfgexpand.c: Update tree_pass descriptors.
1221 * tree-cfgcleanup.c: Update tree_pass descriptors.
1222 * cfgcleanup.c: Update tree_pass descriptors.
1223 * tree-ssa-pre.c: Update tree_pass descriptors.
1224 * tree-sra.c: Update tree_pass descriptors.
1225 * tree-mudflap.c: Update tree_pass descriptors.
1226 * tree-ssa-copy.c: Update tree_pass descriptors.
1227 * cfglayout.c: Update tree_pass descriptors.
1228 * tree-ssa-forwprop.c: Update tree_pass descriptors.
1229 * tree-ssa-dce.c: Update tree_pass descriptors.
1230 * tree-ssa.c: Update tree_pass descriptors.
1231 * regclass.c: Update tree_pass descriptors.
1232 * integrate.c: Update tree_pass descriptors.
1233 * tree-optimize.c: Update tree_pass descriptors.
1234 * tree-ssa-phiprop.c: Update tree_pass descriptors.
1235 * tree-object-size.c: Update tree_pass descriptors.
1236 * combine.c: Update tree_pass descriptors.
1237 * tree-outof-ssa.c: Update tree_pass descriptors.
1238 * bb-reorder.c: Update tree_pass descriptors.
1239 * stack-ptr-mod.c: Update tree_pass descriptors.
1240 * var-tracking.c: Update tree_pass descriptors.
1241 * tree-profile.c: Update tree_pass descriptors.
1242 * tree-vect-generic.c: Update tree_pass descriptors.
1243 * reg-stack.c: Update tree_pass descriptors.
1244 * sched-rgn.c: Update tree_pass descriptors.
1245 * tree-ssa-structalias.c: Update tree_pass descriptors.
1246 * tree-cfg.c: Update tree_pass descriptors.
1247 * passes.c (current_pass): Update declaration.
1248 (finish_optimization_passes): Update.
1249 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1250 (register_one_dump_file, register_dump_files_1, next_pass_1):
1252 (init_optimization_passes): Update handling of new types.
1253 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1254 * ipa-struct-reorg.c: Update tree_pass descriptors.
1255 * tree-ssa-reassoc.c: Update tree_pass descriptors.
1256 * combine-stack-adj.c: Update tree_pass descriptors.
1257 * cfgrtl.c: Update tree_pass descriptors.
1258 * dce.c: Update tree_pass descriptors.
1259 * tree-ssanames.c: Update tree_pass descriptors.
1261 2008-03-19 Richard Guenther <rguenther@suse.de>
1264 * tree-ssa.c (walk_data): New structure.
1265 (warn_uninitialized_var): If not always_executed warn with "maybe"
1267 (execute_early_warn_uninitialized): Compute post-dominators.
1268 Initialize always_executed before processing each basic block.
1270 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
1273 * config/i386/i386.c (x86_this_parameter): Calculate correct location
1274 of "this" pointer when "regparm = N" or "fastcall" is in effect.
1276 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1278 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1280 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
1282 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1284 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1285 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1286 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
1287 target after ignore has been set, and move there also the commputation
1288 of subtarget and original_target.
1289 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1290 (LANG_HOOKS_INITIALIZER): Remove it.
1291 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1293 2008-03-18 Richard Guenther <rguenther@suse.de>
1295 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1296 found an expression with constants, note that in the VN for the lhs.
1297 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1298 fold them to constants if possible. Run cleanup_cfg if done so.
1299 (execute_pre): Return todo.
1301 (execute_fre): Likewise.
1302 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1304 (get_prop_source_stmt): Look through pointer conversions.
1306 2008-03-18 Jan Hubicka <jh@suse.cz>
1308 * tree-pretty-print.c: Include predict.h.
1309 (dump_generic_node): Dump predictor.
1310 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1311 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1312 * gimple-low.c (lower_stmt): Likewise.
1313 * expr.c (expand_expr_real): Likewise.
1314 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1316 (build_predict_expr, build_predict_expr): New.
1317 * predict.h (predictor_name, build_predict_expr): Update.
1318 * c-typeck.c (c_finish_bc_stmt): Add prediction.
1319 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1320 * predict.def (PRED_CONTINUE): Update hitrate.
1321 * tree.def (PREDICT_EXPR): Define.
1322 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1323 do not handle BIND_EXPR.
1324 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1325 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1326 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1329 2008-03-18 Michael Matz <matz@suse.de>
1331 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1333 2008-03-18 Richard Guenther <rguenther@suse.de>
1335 * tree-gimple.h (is_gimple_invariant_address): Declare.
1336 (is_gimple_constant): Likewise.
1337 * tree-gimple.c (is_gimple_constant): New function.
1338 (is_gimple_invariant_address): Likewise.
1339 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1340 and is_gimple_invariant_address.
1341 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1343 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1344 an addressable base.
1346 2008-03-18 Jakub Jelinek <jakub@redhat.com>
1349 * gimplify.c (gimplify_expr): Gimplify second operand of
1352 2008-03-17 Richard Guenther <rguenther@suse.de>
1354 PR tree-optimization/19637
1355 * fold-const.c (fold_unary): Remove restrictions of removing
1356 intermediate pointer-conversions (P2)(P1)P0.
1357 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1358 conversion to void pointer.
1359 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1361 2008-03-16 James E. Wilson <wilson@tuliptree.org>
1364 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1365 emulated thread local variables.
1367 2008-03-16 Richard Guenther <rguenther@suse.de>
1370 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1371 expand TREE_INVARIANT operations that are not gimple invariant.
1373 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
1375 * doc/extend.texi (Alignment): Say that the ABI controls
1376 the __alignof__ for non-strict-alignment targets rather
1377 than being a recommendation.
1379 2008-03-15 Paul Brook <paul@codesourcery.com>
1381 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1383 (arm_output_fn_unwind): Mark functions that can not be unwound.
1385 2008-03-15 Paul Brook <paul@codesourcery.com>
1387 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1388 extension instructions.
1390 2008-03-15 Richard Guenther <rguenther@suse.de>
1392 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1393 and fold constant aggregate refs.
1394 (fold_const_aggregate_ref): Handle string constants
1395 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
1396 (evaluate_stmt): Simplify now that ccp_fold folds constant
1399 2008-03-15 Paul Brook <paul@codesourcery.com>
1401 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1402 (extzv): Use gen_extzv_t2.
1403 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1405 2008-03-15 Richard Guenther <rguenther@suse.de>
1407 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1408 (fold_const_aggregate_ref): Likewise.
1409 (get_value): Return NULL if we don't have any values.
1410 (ccp_finalize): Set const_val to NULL after freeing it.
1411 * tree-flow.h (get_symbol_constant_value): Declare.
1412 (fold_const_aggregate_ref): Likewise.
1413 * tree-ssa-sccvn.c (try_to_simplify): Use them.
1415 2008-03-15 Richard Guenther <rguenther@suse.de>
1418 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1419 to not produce negative array indices if not allowed. Add
1420 parameter to indicate that.
1421 (maybe_fold_offset_to_component_ref): Allow negative array
1422 indices only for the first member of a structure.
1423 (maybe_fold_offset_to_reference): Allow negative array indices.
1424 (maybe_fold_stmt_addition): Likewise.
1426 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
1427 Anatoly Sokolov <aesok@post.ru>
1429 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1430 (avr_arch): Add ARCH_AVR6.
1431 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1432 (initial_elimination_offset): Initialize and use 'avr_pc_size'
1433 instead of fixed value 2.
1434 (print_operand_address): Use gs() asm specifier instead of pm().
1435 (avr_assemble_integer): (Ditto.).
1436 (avr_output_addr_vec_elt): (Ditto.).
1437 (print_operand): Handle "!" code.
1438 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
1439 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1440 (AVR_HAVE_EIJMP_EICALL): Define.
1441 (AVR_3_BYTE_PC): Redefine.
1442 (AVR_2_BYTE_PC): (Ditto.).
1443 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1444 (LINK_SPEC): Add atmega2560 and atmega2561.
1445 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
1447 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
1448 for 3 byte PC devices.
1449 (call_value_insn): (Ditto.).
1450 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1451 (indirect_jump): Use only for for 2 byte PC devices.
1452 (*tablejump): (Ditto.).
1453 (*indirect_jump_avr6): Add insn.
1454 (*tablejump_rjmp): Don't use for 3 byte PC devices.
1455 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
1456 instead of ijmp for 3 byte PC devices.
1457 (__tablejump2__): (Ditto.).
1458 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1459 (MULITLIB_DIRNAMES): (Ditto.).
1460 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1462 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
1464 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1465 "sse2_umulsidi3". Use V1DI mode for operand 0.
1466 ("mmx_psadbw"): Use V1DI mode for operand 0.
1467 * config/i386/i386-modes.def (V1SI): New vector mode.
1468 * config/i386/i386.c (struct builtin_description)
1469 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1470 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1471 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1472 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1473 v1di_ftype_v8qi_v8qi type.
1474 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1476 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1477 __builtin_ia32_pmuludq]: Fix the mode of return value.
1479 2008-03-15 Richard Guenther <rguenther@suse.de>
1482 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1485 2008-03-14 Bob Wilson <bob.wilson@acm.org>
1487 * doc/invoke.texi (Option Summary, Xtensa Options): Document
1488 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1489 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1490 unless TARGET_SERIALIZE_VOLATILE is enabled.
1491 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1492 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1493 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1495 2008-03-14 Richard Guenther <rguenther@suse.de>
1497 PR tree-optimization/34172
1498 * tree-flow.h (refs_may_alias_p): Declare.
1499 (get_single_def_stmt): Likewise.
1500 (get_single_def_stmt_from_phi): Likewise.
1501 (get_single_def_stmt_with_phi): Likewise.
1502 * tree-dfa.c (refs_may_alias_p): New function.
1503 (get_single_def_stmt): Likewise.
1504 (get_single_def_stmt_from_phi): Likewise.
1505 (get_single_def_stmt_with_phi): Likewise.
1506 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1507 (vn_reference_lookup_1): New helper function.
1508 (vn_reference_lookup): Walk the virtual use-def chain to
1509 continue searching for a match if the def does not alias the
1510 reference we are looking for.
1512 2008-03-14 David Edelsohn <edelsohn@gnu.org>
1514 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
1515 archive and Perzl. Update The Written Word listing.
1517 2008-03-14 Richard Guenther <rguenther@suse.de>
1519 PR tree-optimization/34043
1520 PR tree-optimization/33989
1521 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1523 (bitmap_find_leader): Use extra argument to verify dominance
1524 relationship inside a basic-block.
1525 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1526 (find_leader_in_sets): Adjust.
1527 (create_component_ref_by_pieces): Take extra argument for
1528 dominance check, handle lookup failures.
1529 (find_or_generate_expression): Likewise.
1530 (create_expression_by_pieces): Likewise.
1531 (insert_into_preds_of_block): Adjust.
1532 (create_value_expr_from): If asked for, verify all operands
1533 are in the blocks AVAIL_OUT set.
1534 (make_values_for_stmt): Check for SSA_NAMEs that are life
1535 over an abnormal edge.
1536 (compute_avail): Remove such check.
1537 (do_SCCVN_insertion): New function.
1538 (eliminate): If we do not find a leader suitable for replacement
1539 insert a replacement expression from SCCVN if available.
1540 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1541 (struct vn_ssa_aux): Add needs_insertion flag.
1542 * tree-ssa-sccvn.c (may_insert): New global flag.
1543 (copy_reference_ops_from_ref): Value-number union member access
1544 based on its size, not type and member if insertion is allowed.
1545 (visit_reference_op_load): For a weak match from union type
1546 punning lookup a view-converted value and insert a SSA_NAME
1547 for that value if that is not found.
1548 (visit_use): Make dumps shorter. Do not disallow value numbering
1549 SSA_NAMEs that are life over an abnormal edge to constants.
1550 (free_scc_vn): Release inserted SSA_NAMEs.
1551 (run_scc_vn): New flag to specify whether insertion is allowed.
1552 Process SSA_NAMEs in forward order.
1553 * tree-ssa-loop-im.c (for_each_index): Handle invariant
1554 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1555 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1556 pointer type to/from integral types that do not change the
1557 precision to regular conversions.
1559 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
1561 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1562 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1563 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1564 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1565 input arguments and the mode of return value. Built-in functions
1566 that operate on whole 64-bit MMX register now use V1DI mode.
1568 2008-03-13 Alon Dayan <alond@il.ibm.com>
1569 Olga Golovanevsky <olga@il.ibm.com>
1571 PR tree-optimization/35041
1572 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1573 to locate the right position in a statement.
1575 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
1579 * config/i386/xmmintrin.h: Change all static inline functions to
1580 extern inline and add __gnu_inline__ attribute.
1581 * config/i386/bmintrin.h: Ditto.
1582 * config/i386/smmintrin.h: Ditto.
1583 * config/i386/tmmintrin.h: Ditto.
1584 * config/i386/mmintrin-common.h: Ditto.
1585 * config/i386/ammintrin.h: Ditto.
1586 * config/i386/emmintrin.h: Ditto.
1587 * config/i386/pmmintrin.h: Ditto.
1588 * config/i386/mmintrin.h: Ditto.
1589 * config/i386/mm3dnow.h: Ditto.
1591 2008-03-13 Jakub Jelinek <jakub@redhat.com>
1594 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1595 (lower_omp_2): New function.
1596 (lower_omp_1, lower_omp): Rewritten.
1598 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
1601 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1602 with the phrase "Microsoft Windows compilers".
1603 (Push/Pop Macro Pragmas): New subsection. Document
1604 #pragma push_macro and pragma pop_macro.
1606 2008-03-12 Paul Brook <paul@codesourcery.com>
1608 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1610 2008-03-12 Paul Brook <paul@codesourcery.com>
1612 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1613 (thumb2_alusi3_short): Exclude PLUS and MINUS.
1614 (thumb2_addsi_shortim): Rename ...
1615 (thumb2_addsi_short): ... to this. Allow register operands.
1616 (thumb2_subsi_short): New pattern.
1617 (thumb2_one_cmplsi2_short,
1618 thumb2_negsi2_short): New patterns and peepholes.
1620 2008-03-12 Paul Brook <paul@codesourcery.com>
1622 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1624 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
1626 * config/i386/i386.md (int_cond): New code iterator.
1628 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1629 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1630 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1631 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1632 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1633 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1634 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1635 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1637 2008-03-12 Paul Brook <paul@codesourcery.com>
1639 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1640 instead of {arm,thumb}_compute_save_reg_mask.
1641 (output_return_instruction): Ditto.
1642 (thumb_unexpanded_epilogue): Ditto.
1643 (thumb1_expand_prologue): Ditto.
1644 (thumb1_output_function_prologue): Ditto.
1645 (arm_set_return_address): Ditto.
1646 (thumb_set_return_address): Ditto.
1647 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
1648 regs to achieve stack alignment.
1649 (thumb1_compute_save_reg_mask): Fix compiler warning.
1650 (arm_output_epilogue): Use offsets->saved_regs_mask.
1651 Adjust stack pointer by poping call clobered registers.
1652 (arm_expand_prologue): Use offsets->saved_regs_mask.
1653 Adjust stack pointer by pushing extra registers.
1654 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1656 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
1659 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1660 conversion to the operands of a multiplication.
1662 2008-03-12 Richard Guenther <rguenther@suse.de>
1664 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1665 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1666 * timevar.def (TV_TREE_PHIPROP): Add.
1667 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1668 pass description. Use TV_TREE_PHIPROP.
1669 * tree-ssa-forwprop.c: Remove phiprop code.
1671 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1674 * omp-low.c (maybe_lookup_decl): Constify first argument.
1675 (use_pointer_for_field): Change last argument from bool to
1676 omp_context *. Disallow shared copy-in/out in nested
1677 parallel if decl is shared in outer parallel too.
1678 (build_outer_var_ref, scan_sharing_clauses,
1679 lower_rec_input_clauses, lower_copyprivate_clauses,
1680 lower_send_clauses, lower_send_shared_vars): Adjust callers.
1682 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
1683 Ira Rosen <irar@il.ibm.com>
1685 * tree-vectorizer.c (free_stmt_vec_info): New function.
1686 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1687 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1688 * tree-vectorizer.h (free_stmt_vec_info): Declare.
1689 * tree-vect-transform.c (vectorizable_conversion): Free
1690 vec_oprnds0 if it was allocated.
1691 (vect_permute_store_chain): Remove unused VECs.
1692 (vectorizable_store): Free VECs that are allocated in the..
1694 (vect_transform_strided_load, vectorizable_load): Likewise.
1695 (vect_remove_stores): Simplify the code.
1696 (vect_transform_loop): Move code to vect_remove_stores().
1697 Call vect_remove_stores() and free_stmt_vec_info().
1699 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1701 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1702 TARGET_HPUX. Revise comment.
1703 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1704 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1705 Use sr4 variant of `be' instruction when not generating PIC code.
1706 (attr_length_call): Adjust for above change.
1708 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1710 * ipa-reference.c (static_execute): Remove module_statics_const and
1711 associated setting code.
1713 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1716 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1717 predicate for operand 1.
1718 (paritysi2_cmp): Use register_operand predicate for operand 2.
1719 Use earlyclobber modifier for operand 1. Remove support for
1721 (paritydi2_cmp): Use register_operand predicate for operand 3.
1722 Use earlyclobber modifier for operand 1. Remove support for
1725 2008-03-11 Paul Brook <paul@codesourcery.com>
1726 Vladimir Prus <vladimir@codesourcery.com>
1728 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1729 (arm_compute_save_reg0_reg12_mask): Always
1730 check if register 11 must be saved. Always safe hard frame pointer
1731 when frame_pointer_needeed.
1732 (arm_compute_save_reg_mask): Save IP and PC
1733 only with apcs frames.
1734 (arm_output_epilogue): Adjust Thumb2 codepath to
1735 be also invoked and work for ARM non-apcs frames.
1736 (arm_expand_prologue): Don't bother saving IP
1737 for non-apcs frame, since it's not clobbered by
1738 prologue code. Implement non-apcs frame
1741 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1743 PR rtl-optimization/35281
1744 * expr.c (convert_move): Use a new pseudo for the intermediate
1745 from_mode->word_mode result.
1747 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1749 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1750 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1751 * toplev.c (compile_file): Don't call it.
1753 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1756 * expr.c (store_expr): Call emit_block_move if the mode
1757 of "temp" RTX is BLKmode.
1759 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1760 Richard Guenther <rguenther@suse.de>
1762 PR tree-optimization/31358
1763 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1764 the step with a NULL_TREE.
1765 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1766 to sizetype if type is a pointer type.
1767 (add_candidate_1): Don't convert the base and step to
1768 the generic type if the orginal type is a pointer type.
1769 (add_iv_value_candidates): Use sizetype for the step
1770 if type is a pointer type.
1771 (cand_value_at): Likewise.
1772 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1774 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1775 Don't convert the tem affine to the type.
1776 (add_elt_to_tree): Use sizetype for the step if a pointer.
1777 Use POINTER_PLUS_EXPR for pointers.
1778 (aff_combination_to_tree): Use sizetype for the step if a
1781 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
1783 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1784 Remove commutativity hint.
1786 2008-03-10 Jakub Jelinek <jakub@redhat.com>
1790 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1791 errorneous type. Check that v is a VAR_DECL.
1794 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1796 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
1798 PR tree-optimization/35494
1799 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1800 may be overriden at link and run time.
1802 2008-03-10 Richard Guenther <rguenther@suse.de>
1804 PR tree-optimization/34677
1805 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1806 (poolify_tree): Likewise.
1807 (modify_expr_template): Likewise.
1808 (poolify_modify_stmt): Likewise.
1809 (insert_fake_stores): Handle all component-ref style stores
1810 in addition to INDIRECT_REF. Also handle complex types.
1811 Do not poolify the inserted load.
1812 (realify_fake_stores): Do not rebuild the tree but only
1813 make it a SSA_NAME copy.
1814 (init_pre): Remove initialzation of modify_expr_template.
1815 Do not allocate modify_expr_node_pool.
1816 (fini_pre): Do not free modify_expr_node_pool.
1818 2008-03-10 Paul Brook <paul@codesourcery.com>
1820 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1823 2008-03-10 Paul Brook <paul@codesourcery.com>
1824 Mark Shinwell <shinwell@codesourcery.com>
1826 * config/arm/cortex-r4.md: New.
1827 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1829 * config/arm/arm.md: Include cortex-r4.md.
1830 (insn): Add smmls, sdiv and udiv values.
1831 (generic_sched): Don't use generic scheduling for Cortex-R4.
1832 (arm_issue_rate): New function.
1833 (TARGET_SCHED_ISSUE_RATE): Define.
1835 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
1837 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1839 2008-03-10 Richard Guenther <rguenther@suse.de>
1841 * tree-ssa-pre.c (get_sccvn_value): Simplify.
1842 (compute_avail): Do not add stmt uses to AVAIL_OUT.
1844 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
1846 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1847 Set default to true.
1849 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1851 * c.opt (Wsynth): Deprecate.
1852 * doc/invoke.texi (Option Summary, Warning Options): Document
1853 -Wno-format-contains-nul.
1855 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
1858 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1859 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1861 2008-03-09 Ira Rosen <irar@il.ibm.com>
1863 * config/rs6000/rs6000.c (builtin_description): Rename vector
1864 left shift operations.
1865 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1866 (altivec_vsl<VI_char>): Rename to ...
1867 (ashl<mode>3): ... new name.
1868 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1870 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1872 2008-03-08 Richard Guenther <rguenther@suse.de>
1874 * coverage.h (tree_coverage_counter_addr): Declare.
1875 * coverage.c (tree_coverage_counter_addr): New function.
1876 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1878 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1879 (tree_gen_one_value_profiler): Likewise.
1880 (tree_gen_ic_profiler): Likewise.
1881 (tree_gen_average_profiler): Likewise.
1882 (tree_gen_ior_profiler): Likewise.
1884 2008-03-08 Richard Guenther <rguenther@suse.de>
1886 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1887 (vn_binary_op_insert): Likewise.
1888 (vn_unary_op_lookup): Likewise.
1889 (vn_unary_op_insert): Likewise.
1890 (vn_nary_op_lookup): Declare.
1891 (vn_nary_op_insert): Likewise.
1892 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1893 and binary hashes, use a single obstack for unary_op_pool
1895 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1896 a single struct vn_nary_op_s. Store tree code length and
1897 a variable number of operands.
1898 (struct vn_reference_op_struct): Remove unused op2.
1899 (vn_reference_op_eq): Do not compare op2.
1900 (vn_reference_op_compute_hash): Do not compute hash of op2.
1901 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1902 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1903 with vn_nary_op_compute_hash.
1904 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1905 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1907 (vn_unary_op_insert, vn_binary_op_insert): Replace with
1909 (visit_unary_op): Call nary functions.
1910 (visit_binary_op): Likewise.
1911 (process_scc): Adjust for struct vn_tables_s changes.
1912 (allocate_vn_table): Likewise.
1913 (free_vn_table): Likewise.
1914 * tree-vn.c (vn_add): Call nary functions.
1915 (vn_lookup): Likewise.
1917 2008-03-08 Jakub Jelinek <jakub@redhat.com>
1920 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1921 wdst back after sync_compare_and_swapqhi_internal.
1923 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
1926 * config/i386/i386-modes.def (V1DI): New vector mode.
1927 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1928 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1929 (MMXMODE248): Ditto.
1930 (MMXMODE): Add V1DI mode.
1931 (mmxvecsize): Change DI mode to V1DI mode.
1932 ("mov<mode>): Use MMXMODEI8 mode iterator.
1933 ("*mov<mode>_internal_rex64"): Ditto.
1934 ("*mov<mode>_internal"): Ditto.
1935 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
1936 ("mmx_sub<mode>3"): Ditto.
1937 ("mmx_adddi3"): Remove insn pattern.
1938 ("mmx_subdi3"): Ditto.
1939 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1940 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1941 ("mmx_ashl<mode>3"): Ditto.
1942 ("mmx_lshrdi3"): Remove insn pattern.
1943 ("mmx_ashldi3"): Ditto.
1944 * config/i386/i386.c (classify_argument): Handle V1DImode.
1945 (function_arg_advance_32): Ditto.
1946 (function_arg_32): Ditto.
1947 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1948 mmx_addv1di3 insn pattern.
1949 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1950 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1951 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1952 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1953 Remove definitions of built-in functions.
1954 (V1DI_type_node): New node.
1955 (v1di_ftype_v1di_int): Ditto.
1956 (v1di_ftype_v1di_v1di): Ditto.
1957 (v2si_ftype_v2si_si): Ditto.
1958 (v4hi_ftype_v4hi_di): Remove node.
1959 (v2si_ftype_v2si_di): Ditto.
1960 (ix86_init_mmx_sse_builtins): Handle V1DImode.
1961 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1962 Redefine builtins using def_builtin_const with *_ftype_*_int node.
1963 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1964 Add new builtins using def_builtin_const.
1965 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1966 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1967 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1968 * config/i386/mmintrin.h (__v1di): New typedef.
1969 (_mm_add_si64): Cast arguments to __v1di type.
1970 (_mm_sub_si64): Ditto.
1971 (_mm_sll_pi16): Cast __count to __v4hi type.
1972 (_mm_sll_pi32): Cast __count to __v2si type.
1973 (_mm_sll_si64): Cast arguments to __v1di type.
1974 (_mm_srl_pi16): Cast __count to __v4hi type.
1975 (_mm_srl_pi32): Cast __count to __v2si type.
1976 (_mm_srl_si64): Cast arguments to __v1di type.
1977 (_mm_sra_pi16): Cast __count to __v4hi type.
1978 (_mm_sra_pi32): Cast __count to __v2si type.
1979 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1980 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1981 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1982 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1983 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1984 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1985 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1986 (_mm_srai_pi32): Use __builtin_ia32_psradi.
1987 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1988 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1989 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1990 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1992 2008-03-07 Joseph Myers <joseph@codesourcery.com>
1994 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1996 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
1999 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2000 reg+const addressing for Altivec modes. Don't generate reg+reg
2001 addressing for TFmode or TDmode quantities.
2003 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
2005 * c-common.c (vector_types_convertible_p): Call langhook
2006 instead of comptypes.
2008 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2011 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2012 integral and scalar float variables which have a
2015 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
2017 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2018 dwarf_register_span hook when emitting unwind information for
2019 register-to-memory saves.
2020 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2021 (rs6000_frame_related): Remove call to spe_synthesize_frame.
2023 2008-03-06 Jakub Jelinek <jakub@redhat.com>
2025 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2026 for the same VAR_DECL.
2028 2008-03-06 Tom Tromey <tromey@redhat.com>
2031 * doc/standards.texi (Standards): Don't mention treelang.
2032 * doc/invoke.texi (Overall Options): Don't mention treelang.
2033 * doc/install.texi (Prerequisites): Don't mention bison or
2035 (Configuration): Don't mention treelang.
2036 (Building): Likewise.
2037 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2039 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
2041 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2042 word-extractions out of a multi-word object.
2044 2008-03-06 Richard Guenther <rguenther@suse.de>
2046 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2047 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2048 result type and precision.
2049 * expr.c (get_inner_reference): Set unsignedp based on the result
2050 type of BIT_FIELD_REF.
2051 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2052 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2053 (try_instantiate_multiple_fields): Likewise. Use the correct type
2055 (sra_build_assignment): Likewise.
2056 (sra_build_elt_assignment): Likewise.
2057 (sra_explode_bitfield_assignment): Likewise.
2058 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2059 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2060 set BIT_FIELD_REF_UNSIGNED.
2061 (vectorizable_load): Likewise.
2063 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
2065 * cse.c (cse_extended_basic_block): Invalidate artificial defs
2068 2008-03-06 Richard Guenther <rguenther@suse.de>
2070 * alias.c (struct alias_set_entry): Move has_zero_child field
2071 to pack with alias_set.
2073 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2075 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2078 2008-03-05 Ian Lance Taylor <iant@google.com>
2080 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2082 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
2084 * fwprop.c (update_df): Support width and offset parameters of
2086 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2087 global_conflicts): Change DF_REF_EXTRACT to either
2088 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2089 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2090 * df-scan.c (df_ref_record, df_defs_record,
2091 df_ref_create_structure, df_def_record_1, df_uses_record,
2092 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2093 df_bb_refs_collect, df_entry_block_defs_collect,
2094 df_exit_block_uses_collect): Support new width and offset fields.
2095 (ref_extract_pool): New storage pool.
2096 (df_free_ref): New function.
2097 (df_reg_chain_unlink, df_free_collection_rec,
2098 df_sort_and_compress_refs): Call df_free_ref.
2099 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2101 (df_ref_create_structure): Allocate df_ref_extract if offset and
2102 width fields are used.
2103 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2104 (df_uses_record): Get offset and width from ZERO_EXTRACT
2106 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2107 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2108 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2109 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2110 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2111 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2112 (df_ref_extract): New structure.
2113 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2114 (df_ref_create): Add width and offset parameters.
2116 2008-03-05 Richard Guenther <rguenther@suse.de>
2118 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2119 Use ranges_overlap_p.
2120 (offset_overlaps_with_access): Rename
2121 to ranges_overlap_p and move ...
2122 * tree-flow-inline.h (ranges_overlap_p): ... here.
2124 * tree.h (get_inner_reference, handled_component_p): Update
2127 * tree.h (record_component_aliases, get_alias_set,
2128 alias_sets_conflict_p, alias_sets_must_conflict_p,
2129 objects_must_conflict_p): Move declarations ...
2130 * alias.h (record_component_aliases, get_alias_set,
2131 alias_sets_conflict_p, alias_sets_must_conflict_p,
2132 objects_must_conflict_p): ... here.
2133 Include coretypes.h.
2134 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2136 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
2138 * cfg.c: Include tree-flow.h.
2139 (remove_edge_raw): Call redirect_edge_var_map_clear.
2140 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2141 * tree-flow-inline.h (redirect_edge_var_map_def): New.
2142 (redirect_edge_var_map_result): New.
2143 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2144 PENDING_STMT use with redirect_edge_var_map_*.
2145 * tree-ssa.c (edge_var_maps): New definition.
2146 (redirect_edge_var_map_add): New.
2147 (redirect_edge_var_map_clear): New.
2148 (redirect_edge_var_map_dup): New.
2149 (redirect_edge_var_map_vector): New.
2150 (redirect_edge_var_map_destroy): New.
2151 (ssa_redirect_edge): Replace PENDING_STMT use with
2152 redirect_edge_var_map_*.
2153 (flush_pending_stmts): Same.
2154 (delete_tree_ssa): Destroy edge var map.
2155 * tree-flow.h (struct _edge_var_map): New.
2156 Define edge_var_map vector type.
2157 Declare redirect_edge_var_map_* prototypes.
2158 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2159 * tree-cfg.c (reinstall_phi_args): Replace
2160 PENDING_STMT use with redirect_edge_var_map_*.
2162 2008-03-05 Richard Guenther <rguenther@suse.de>
2164 PR tree-optimization/35472
2165 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2166 whose single use_stmt has a overlapping set of loaded and
2167 stored symbols as that use_stmt might be a noop assignment then.
2169 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2171 * gthr-rtems.h: Implement __gthread_mutex_destroy.
2173 2008-03-05 Richard Guenther <rguenther@suse.de>
2176 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2177 should be constants.
2178 * tree-cfg.c (verify_expr): Verify it.
2179 * fold-const.c (fold_truthop): Remove code generating
2180 BIT_FIELD_REFs of structure bases.
2181 (fold_binary): Likewise.
2182 (fold_ternary): Position and size of BIT_FIELD_REFs are
2183 always host integers.
2184 (make_bit_field_ref): Remove.
2185 (optimize_bit_field_compare): Remove.
2186 (all_ones_mask_p): Remove.
2188 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
2191 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2192 (split_block_and_df_analyze): New. Split basic block and rebuild
2194 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2196 (split_pattern_seq): Likewise.
2197 (erase_matching_seqs): Likewise.
2198 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2200 2008-03-04 Geoff Keating <geoffk@apple.com>
2202 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2203 declaration and code.
2204 (tree_invalid_nonnegative_warnv_p): Likewise.
2206 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2208 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2209 examples. Truncate option-names then causing overfull hbox.
2211 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2214 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2216 * configure: Rebuilt.
2218 2008-03-04 Rafael Espindola <espindola@google.com>
2220 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2221 (tree_unary_nonnegative_warnv_p): New.
2222 (tree_binary_nonnegative_warnv_p): New.
2223 (tree_single_nonnegative_warnv_p): New.
2224 (tree_invalid_nonnegative_warnv_p): New.
2225 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2227 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2230 * opts.c (handle_option): Postpone 'unknown option' errors only for
2233 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
2236 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2239 2008-03-04 Rafael Espindola <espindola@google.com>
2241 * fold-const.c (tree_unary_nonzero_warnv_p): New.
2242 (tree_binary_nonzero_warnv_p): New.
2243 (tree_single_nonzero_warnv_p): New.
2244 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2246 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
2249 * fold-const.c (fold_cond_expr_with_comparison): Prevent
2250 transformations for modes that have signed zeros.
2251 * ifcvt.c (noce_try_abs): Ditto.
2253 2008-03-04 Joseph Myers <joseph@codesourcery.com>
2255 * config/i386/i386.c (override_options): Force
2256 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2258 2008-03-04 Jan Hubicka <jh@suse.cz>
2261 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2264 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2266 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
2267 label to probe the stack.
2269 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2271 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2272 (__gthr_win32_mutex_destroy): Declare.
2273 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2274 __gthr_win32_mutex_destroy.
2275 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
2277 2008-03-03 Jan Hubicka <jh@suse.cz>
2280 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2281 aggressive on inlining cold calls.
2283 2008-03-03 Richard Guenther <rguenther@suse.de>
2285 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2286 struct copies into the expression table.
2287 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2288 (try_to_simplify): Likewise.
2289 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2290 integral and pointer arguments which do not change the
2291 precision to NOP_EXPRs.
2292 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2293 VIEW_CONVERT_EXPR case.
2295 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
2297 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2298 defined in a loop at depth 0 is invariant.
2299 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2300 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2301 be called at loop depth 0.
2303 2008-03-02 Jakub Jelinek <jakub@redhat.com>
2306 * gcc.c (process_command): Update copyright notice dates.
2307 * gcov.c (print_version): Likewise.
2308 * gcov-dump.c (print_version): Likewise.
2309 * mips-tfile.c (main): Likewise.
2310 * mips-tdump.c (main): Likewise.
2312 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2315 * c-common.c (flag_permissive): Delete.
2316 (constant_expression_warnings): Check flags first.
2317 (constant_expression_error): New.
2318 * c-common.h (flag_permissive): Delete.
2319 (constant_expression_error): Declare.
2320 * flags.h (flag_permissive): Declare. Update description.
2321 * diagnostic.c (pedwarn): Update.
2323 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2324 (permissive_error_kind): New.
2325 * toplev.c (flag_permissive): Define. Update description.
2326 * toplev.h (permissive_error_kind): Declare.
2327 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2328 (pedwarn_c90): Use pedantic_warning_kind.
2329 * c-opts.c (c_common_post_options): flag_permissive does not affect
2330 flag_pedantic_errors.
2332 2008-03-02 Joseph Myers <joseph@codesourcery.com>
2334 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2335 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2336 __absvsi2, __absvDI2): Use unsigned arithmetic.
2338 2008-03-02 Andi Kleen <ak@suse.de>
2339 Richard Guenther <rguenther@suse.de>
2341 * struct-equiv.c: Remove file.
2342 * cfg_cleanup.c (condjump_equiv_p): Remove.
2343 * Makefile.in (OBJS-common): Remove struct-equiv.o.
2344 (struct-equiv.o): Remove rule.
2345 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2346 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
2347 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2349 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2351 * ifcvt.c (noce_process_if_block): Try to handle only the then
2352 block if the else block exists but isn't suitable.
2354 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
2357 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2358 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2359 regression from previous patch.
2361 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
2364 * gthr.h: Add __gthread_mutex_destroy as a function that must be
2366 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2367 * gthr-single.h (__gthread_mutex_destroy): Likewise.
2368 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2369 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2370 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2371 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2372 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2373 (__gthread_mutex_destroy_function): Rename to
2374 __gthread_mutex_destroy.
2375 * gthr-dce.h (__gthread_mutex_destroy): Call
2376 pthread_mutex_destroy.
2377 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2378 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2379 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2381 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2383 * df-scan.c (df_ref_chain_change_bb): Simplify.
2384 (df_insn_change_bb): Add new_bb argument. Simplify. Call
2385 set_block_for_insn if there's any change.
2386 * df.h ((df_insn_change_bb): Fix prototype.
2387 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2388 df_insn_change_bb, don't call set_block_for_insn.
2389 * emit-rtl.c (reorder_insns): Likewise.
2390 * haifa-sched.c (move_insn): Likewise.
2392 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2394 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2396 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2398 * tree-flow-inline.h (next_readonly_imm_use): Return
2399 NULL_USE_OPERAND_P after the end.
2401 2008-03-01 Richard Guenther <rguenther@suse.de>
2403 PR tree-optimization/35411
2404 * tree-sra.c (sra_build_assignment): Split conversion to
2405 final type to a separate statement if we are not assigning
2408 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2410 * fold-const.c (fold_convertible_p): Correct the logic to follow
2411 that in fold_convert().
2413 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
2416 * tree-inline.c (build_duplicate_type): When we make a
2417 duplicate type, make it unique in the canonical types system.
2419 2008-02-29 Tom Tromey <tromey@redhat.com>
2421 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2422 input_file_stack_history, input_file_stack_restored): Remove.
2423 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2424 * input.h (struct file_stack): Remove.
2425 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2426 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2428 * diagnostic.h (struct diagnostic_context) <last_module>: Change
2430 (diagnostic_last_module_changed): Add 'map' argument.
2431 (diagnostic_set_last_function): Likewise.
2432 * diagnostic.c (undiagnostic_report_current_module): Iterate using
2433 line map, not input_file_stack.
2434 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2436 2008-02-29 Paul Brook <paul@codesourcery.com>
2438 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2440 2008-02-29 Paul Brook <paul@codesourcery.com>
2442 * config/arm/ieee754-df.S (muldf3): Use RET macros.
2444 2008-02-29 Richard Guenther <rguenther@suse.de>
2446 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2448 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2449 value for comparing for a store match.
2450 (simplify_unary_expression): Do nothing for SSA_NAMEs.
2451 (try_to_simplify): Do not do a full-blown reference lookup.
2453 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2455 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2456 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2458 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2460 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
2462 * tree-loop-linear.c (try_interchange_loops): Compare memory access
2463 strides against cache sizes.
2465 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2467 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2470 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
2472 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2473 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2474 is smaller than the original promoted value.
2475 (simplify_subreg): If OP is a SUBREG, try to preserve its
2476 SUBREG_PROMOTED_VAR_P information.
2478 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2480 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2481 (VN_INFO_GET): Allocate new objects on the obstack.
2482 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
2483 for rpo_numbers_temp, for consistency.
2484 (free_scc_vn): Free the obstack.
2486 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
2488 * doc/invoke.texi: Document -ftree-loop-distribution.
2489 * tree-loop-distribution.c: New.
2490 * tree-pass.h (pass_loop_distribution): New.
2491 * graphds.h (struct graph): Add htab_t indices.
2492 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2493 * tree-vectorizer.c (rename_variables_in_loop): Extern.
2494 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2495 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2496 * tree-data-ref.c (debug_data_dependence_relations): New.
2497 (dump_data_dependence_relation): Also print data references.
2498 (free_data_ref): Extern.
2499 (same_access_functions): Moved...
2500 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2501 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2502 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2503 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2504 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2505 (stmts_from_loop): Skip LABEL_EXPR.
2506 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2508 (build_rdg): Initialize rdg->indices htab.
2509 (free_rdg, stores_from_loop, ref_base_address,
2510 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2511 have_similar_memory_accesses_1, ref_base_address_1,
2512 remove_similar_memory_refs): New.
2513 * tree-data-ref.h: Depend on tree-chrec.h.
2514 (debug_data_dependence_relations, free_data_ref): Declared.
2515 (same_access_functions): ... here.
2516 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2518 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2519 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2520 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2521 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2522 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2523 rdg_vertex_for_stmt): Declared.
2524 (struct rdg_edge): Add level.
2526 (free_rdg, stores_from_loop, remove_similar_memory_refs,
2527 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2529 (rdg_has_similar_memory_accesses): New.
2530 * tree-vect-analyze.c: Remove unused static decls.
2531 * lambda.h (dependence_level): New.
2532 * common.opt (ftree-loop-distribution): New.
2533 * tree-flow.h (mark_virtual_ops_in_bb,
2534 slpeel_tree_duplicate_loop_to_edge_cfg,
2535 rename_variables_in_loop): Declared.
2536 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2537 (OBJS-common): Add tree-loop-distribution.o.
2538 (tree-loop-distribution.o): New rule.
2539 * tree-cfg.c (mark_virtual_ops_in_bb): New.
2540 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2541 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2543 2008-02-28 Joseph Myers <joseph@codesourcery.com>
2546 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2547 other than structures and unions.
2549 2008-02-28 Richard Guenther <rguenther@suse.de>
2552 2008-02-26 Richard Guenther <rguenther@suse.de>
2554 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2555 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2556 (lookup_decl_from_uid): Declare.
2557 (remove_decl_from_map): Likewise.
2558 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2559 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2560 (decl_for_uid_map): New global hashtable mapping DECL_UID
2562 (init_ttree): Allocate it.
2563 (insert_decl_to_uid_decl_map): New helper function.
2564 (make_node_stat): Insert new decls into the map.
2565 (copy_node_stat): Likewise.
2566 (lookup_decl_from_uid): New function.
2567 (remove_decl_from_map): Likewise.
2568 (print_decl_for_uid_map_statistics): New helper.
2569 (dump_tree_statistics): Call it.
2571 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2572 (referenced_var_iterator): Adjust.
2573 (FOR_EACH_REFERENCED_VAR): Adjust.
2574 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2575 (num_referenced_vars): Adjust.
2576 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2577 (first_referenced_var): Remove.
2578 (end_referenced_vars_p): Likewise.
2579 (next_referenced_var): Likewise.
2580 (referenced_var_iterator_set): New helper function.
2581 * tree-dfa.c (referenced_var_lookup): Adjust.
2582 (referenced_var_check_and_insert): Likewise.
2583 (remove_referenced_var): Likewise.
2584 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2585 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2586 (verify_call_clobbering): Likewise.
2587 (verify_memory_partitions): Likewise.
2588 (init_tree_ssa): Allocate bitmap instead of hashtable for
2590 (delete_tree_ssa): Adjust.
2591 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2592 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2593 (compute_tag_properties): Likewise.
2594 (set_initial_properties): Likewise.
2595 (find_partition_for): Likewise.
2596 (update_reference_counts): Likewise.
2597 (dump_may_aliases_for): Likewise.
2598 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2599 (add_call_clobber_ops): Likewise.
2600 (add_call_read_ops): Likewise.
2601 (get_asm_expr_operands): Likewise.
2602 * tree-into-ssa.c (dump_decl_set): Likewise.
2603 (update_ssa): Likewise.
2604 * tree-sra.c (scan_function): Likewise.
2605 (decide_instantiations): Likewise.
2606 (scalarize_parms): Likewise.
2607 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2608 (dsa_named_for): Likewise.
2609 * tree-ssa-structalias.c (update_alias_info): Likewise.
2610 (merge_smts_into): Likewise.
2612 2008-02-27 David Daney <ddaney@avtrex.com>
2615 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2616 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2617 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2618 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2619 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2621 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
2624 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2625 (BUILT_IN_NEXTTOWARD): Remove.
2626 (BUILT_IN_NEXTTOWARDF): Ditto.
2627 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2628 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
2630 2008-02-27 Tom Tromey <tromey@redhat.com>
2632 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2633 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2635 2008-02-27 Jan Beulich <jbeulich@novell.com>
2637 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2638 update the respective field on newdecl.
2640 2008-02-27 Revital Eres <eres@il.ibm.com>
2642 PR rtl-optimization/34999
2643 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2644 crossing edges that ends with a call insn.
2645 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2646 call insn and clear the EDGE_CROSSING flag of the crossing edge
2647 when fixing fallthru edges.
2649 2008-02-27 Richard Guenther <rguenther@suse.de>
2652 * fold-const.c (fold_unary): Return the correct argument,
2653 converted to the result type.
2655 2008-02-27 Richard Guenther <rguenther@suse.de>
2658 * expr.c (expand_expr_real_1): Assert on rotates that operate
2660 * fold-const.c (fold_binary): Use the types precision, not the
2661 bitsize of the mode if folding rotate expressions. Build rotates
2662 only for full modes.
2664 2008-02-27 Jakub Jelinek <jakub@redhat.com>
2666 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2668 * c-pragma.c (pragma_ns_name): New typedef.
2669 (registered_pp_pragmas): New variable.
2670 (c_pp_lookup_pragma): New function.
2671 (c_register_pragma_1): If flag_preprocess_only, do nothing
2672 for non-expanded pragmas, for expanded ones push pragma's
2673 namespace and name into registered_pp_pragmas vector.
2674 (c_invoke_pragma_handler): Register OpenMP pragmas even when
2675 flag_preprocess_only, don't register GCC pch_preprocess
2676 pragma if flag_preprocess_only.
2677 * c-opts.c (c_common_init): Call init_pragma even if
2678 flag_preprocess_only.
2679 * c-pragma.c (c_pp_lookup_pragma): New prototype.
2680 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2681 cpp_register_pragma if flag_preprocess_only.
2683 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2686 * c-parser.c (c_parser_translation_unit): Warn for empty
2687 translation unit, not empty source file.
2689 2008-02-26 Paul Brook <paul@codesourcery.com>
2691 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2692 operand for Thumb-2.
2693 * config/arm/arm.h (reg_class): Add CORE_REGS.
2694 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2695 (BASE_REG_CLASS): Use CORE_REGS.
2696 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2697 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2698 (REGNO_OK_FOR_INDEX_P): Exclude SP.
2699 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
2700 ARM_REGNO_OK_FOR_INDEX_P.
2701 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2702 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2703 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2704 (ldm/stm peepholes): Ditto.
2705 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2706 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2707 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2708 * config/arm/constraints.md: Enable "k" constraint on ARM.
2710 2008-02-27 Ben Elliston <bje@au.ibm.com>
2712 * config/rs6000/rs6000.c: Annotate cache line size field in all
2713 instances of struct processor_costs.
2715 2008-02-26 David Edelsohn <edelsohn@gnu.org>
2717 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2718 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2719 jump_bypass): New counters.
2720 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2721 * dce.c (gate_ud_dce): Same.
2722 (gate_fast_dce): Same.
2723 * dse.c (gate_dse1): New function.
2724 (gate_dse2): New function.
2725 (gate_dse): Merge results of new gate functions.
2726 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2727 (gate_handle_jump_bypass): Add dbg_cnt.
2728 (gate_handle_gcse): Add dbg_cnt.
2729 * ifcvt.c (gate_handle_if_conversion): Same.
2730 (gate_handle_if_after_combine): Same.
2731 (gate_handle_if_after_reload): Same.
2732 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2734 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
2736 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2738 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2740 2008-02-26 Jason Merrill <jason@redhat.com>
2743 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
2744 alone if it's the naming decl for the type's main variant.
2746 2008-02-26 Tom Tromey <tromey@redhat.com>
2748 * system.h (USE_MAPPED_LOCATION): Poison.
2749 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2750 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2751 (make_goto_expr_edges): Likewise.
2752 (remove_bb): Likewise.
2753 (execute_warn_function_return): Likewise.
2754 * basic-block.h (struct edge_def) <goto_locus>: Change type to
2756 * c-common.c (fname_decl): Remove old location code.
2757 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2759 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2761 (ASM_INPUT_SOURCE_LOCATION): Likewise.
2762 (gen_rtx_ASM_INPUT): Likewise.
2763 (gen_rtx_ASM_INPUT_loc): Likewise.
2764 (get_rtx_asm_OPERANDS): Remove.
2765 * cfglayout.c (insn_locators_alloc): Remove old location code.
2766 (set_curr_insn_source_location): Likewise.
2767 (curr_insn_locator): Likewise.
2768 * print-tree.c (print_node): Remove old location code.
2769 * tree-mudflap.c (mf_varname_tree): Remove old location code.
2770 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2771 * cfgexpand.c (expand_gimple_cond_expr): Don't use
2772 location_from_locus.
2773 (construct_exit_block): Remove old location code.
2774 * emit-rtl.c (force_next_line_note): Remove old location code.
2775 * profile.c (branch_prob): Remove old location code.
2776 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2777 LOC_LINE): Remove old-location variants.
2778 * langhooks.c (lhd_print_error_function): Remove old location
2780 * configure, config.in: Rebuilt.
2781 * configure.ac (--enable-mapped-location): Remove.
2782 * c-decl.c (c_init_decl_processing): Remove old location code.
2783 (finish_function): Likewise.
2784 * recog.c (decode_asm_operands): Remove old location code.
2785 * c-pch.c (c_common_read_pch): Remove old location code.
2786 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2788 * gimple-low.c (lower_function_body): Remove old location code.
2789 * toplev.c (unknown_location): Remove.
2790 (push_srcloc): Remove old-location variant.
2791 (process_options): Remove old location code.
2792 (lang_dependent_init): Likewise.
2793 * input.h (UNKNOWN_LOCATION): Move definition.
2794 (location_t): Undeprecate.
2795 (source_locus): Remove.
2796 (location_from_locus): Remove.
2797 (struct location_s): Remove.
2798 Remove all old-location code.
2799 (input_line, input_filename): Remove.
2800 * final.c (final_scan_insn): Remove old location code.
2801 * diagnostic.c (diagnostic_build_prefix): Remove
2802 USE_MAPPED_LOCATION test.
2803 * tree.h (gimple_stmt) <locus>: Now a location_t.
2804 (tree_exp) <locus>: Likewise.
2805 (DECL_IS_BUILTIN): Remove old-location variant.
2806 (annotate_with_file_line, annotate_with_locus): Likewise.
2807 (expr_locus, set_expr_locus): Update.
2808 * tree.c (build1_stat): Remove old location code.
2809 (last_annotated_node): Remove.
2810 (annotate_with_file_line): Remove old-location variant.
2811 (annotate_with_locus): Likewise.
2812 (expr_location): Remove old location code.
2813 (set_expr_location): Likewise.
2814 (expr_has_location): Likewise.
2815 (expr_locus): Likewise.
2816 (set_expr_locus): Likewise.
2817 (expr_filename): Don't use location_from_locus.
2818 (expr_lineno): Likewise.
2819 * rtl-error.c (location_for_asm): Remove old location code.
2820 * c-lex.c (cb_line_change): Remove old location code.
2821 (fe_file_change): Likewise.
2822 (cb_def_pragma): Likewise.
2823 (c_lex_with_flags): Likewise.
2824 * gengtype.c (do_typedef): Don't special-case location types.
2825 (define_location_structures): Remove.
2826 (main): Don't call define_location_structures.
2827 * tree-pretty-print.c (dump_implicit_edges): Remove old location
2830 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2833 * builtins.def (BUILT_IN_STDARG_START): Remove.
2834 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2835 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2836 * tree-inline.c (inline_forbidden_p_1): Likewise.
2838 2008-02-26 Richard Guenther <rguenther@suse.de>
2840 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2841 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2842 (lookup_decl_from_uid): Declare.
2843 (remove_decl_from_map): Likewise.
2844 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2845 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2846 (decl_for_uid_map): New global hashtable mapping DECL_UID
2848 (init_ttree): Allocate it.
2849 (insert_decl_to_uid_decl_map): New helper function.
2850 (make_node_stat): Insert new decls into the map.
2851 (copy_node_stat): Likewise.
2852 (lookup_decl_from_uid): New function.
2853 (remove_decl_from_map): Likewise.
2854 (print_decl_for_uid_map_statistics): New helper.
2855 (dump_tree_statistics): Call it.
2857 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2858 (referenced_var_iterator): Adjust.
2859 (FOR_EACH_REFERENCED_VAR): Adjust.
2860 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2861 (num_referenced_vars): Adjust.
2862 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2863 (first_referenced_var): Remove.
2864 (end_referenced_vars_p): Likewise.
2865 (next_referenced_var): Likewise.
2866 (referenced_var_iterator_set): New helper function.
2867 * tree-dfa.c (referenced_var_lookup): Adjust.
2868 (referenced_var_check_and_insert): Likewise.
2869 (remove_referenced_var): Likewise.
2870 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2871 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2872 (verify_call_clobbering): Likewise.
2873 (verify_memory_partitions): Likewise.
2874 (init_tree_ssa): Allocate bitmap instead of hashtable for
2876 (delete_tree_ssa): Adjust.
2877 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2878 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2879 (compute_tag_properties): Likewise.
2880 (set_initial_properties): Likewise.
2881 (find_partition_for): Likewise.
2882 (update_reference_counts): Likewise.
2883 (dump_may_aliases_for): Likewise.
2884 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2885 (add_call_clobber_ops): Likewise.
2886 (add_call_read_ops): Likewise.
2887 (get_asm_expr_operands): Likewise.
2888 * tree-into-ssa.c (dump_decl_set): Likewise.
2889 (update_ssa): Likewise.
2890 * tree-sra.c (scan_function): Likewise.
2891 (decide_instantiations): Likewise.
2892 (scalarize_parms): Likewise.
2893 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2894 (dsa_named_for): Likewise.
2895 * tree-ssa-structalias.c (update_alias_info): Likewise.
2896 (merge_smts_into): Likewise.
2898 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2901 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2902 * c-opts.c (c_common_handle_option): Wall enables
2903 Wvolatile-register-var.
2904 * common.opt: Move Wvolatile-register-var to...
2907 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2909 * common.opt (Wlarger-than=): New.
2910 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2912 * opts.c (common_handle_option): Handle -Wlarger-than=.
2913 * optc-gen.awk: Likewise.
2914 * opth-gen.awk: Likewise.
2915 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2916 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2918 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2920 * c-common.c (match_case_to_enum_1): Add appropriate
2921 OPT_W* parameter to warning.
2922 (c_do_switch_warnings): Likewise.
2923 * c-typeck.c (warning_init): Add one more parameter following
2925 (push_init_level): Update call to warning_init.
2926 (pop_init_level): Likewise.
2927 (add_pending_init): Likewise.
2928 (output_init_element: Likewise.
2930 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2933 * toplev.c (toplev_main): If there are warnings or error, print
2934 errors for ignored options.
2935 * opts.c (ignored_options): New static variable.
2936 (postpone_unknown_option_error): New.
2937 (print_ignored_options): New.
2938 (handle_option): Postpone errors for unknown -Wno-* options.
2939 * opts.h (print_ignored_options): Declare.
2941 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
2943 * config/mips/mips.md (loadgp_blockage, blockage): Change type
2946 2008-02-25 Richard Guenther <rguenther@suse.de>
2949 2008-02-25 Richard Guenther <rguenther@suse.de>
2951 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2952 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2953 (lookup_decl_from_uid): Declare.
2954 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2955 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2956 (decl_for_uid_map): New global hashtable mapping DECL_UID
2958 (init_ttree): Allocate it.
2959 (insert_decl_to_uid_decl_map): New helper function.
2960 (make_node_stat): Insert new decls into the map.
2961 (copy_node_stat): Likewise.
2962 (lookup_decl_from_uid): New function.
2963 (print_decl_for_uid_map_statistics): New helper.
2964 (dump_tree_statistics): Call it.
2966 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2967 (referenced_var_iterator): Adjust.
2968 (FOR_EACH_REFERENCED_VAR): Adjust.
2969 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2970 (num_referenced_vars): Adjust.
2971 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2972 (first_referenced_var): Remove.
2973 (end_referenced_vars_p): Likewise.
2974 (next_referenced_var): Likewise.
2975 (referenced_var_iterator_set): New helper function.
2976 * tree-dfa.c (referenced_var_lookup): Adjust.
2977 (referenced_var_check_and_insert): Likewise.
2978 (remove_referenced_var): Likewise.
2979 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2980 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2981 (verify_call_clobbering): Likewise.
2982 (verify_memory_partitions): Likewise.
2983 (init_tree_ssa): Allocate bitmap instead of hashtable for
2985 (delete_tree_ssa): Adjust.
2986 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2987 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2988 (compute_tag_properties): Likewise.
2989 (set_initial_properties): Likewise.
2990 (find_partition_for): Likewise.
2991 (update_reference_counts): Likewise.
2992 (dump_may_aliases_for): Likewise.
2993 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2994 (add_call_clobber_ops): Likewise.
2995 (add_call_read_ops): Likewise.
2996 (get_asm_expr_operands): Likewise.
2997 * tree-into-ssa.c (dump_decl_set): Likewise.
2998 (update_ssa): Likewise.
2999 * tree-sra.c (scan_function): Likewise.
3000 (decide_instantiations): Likewise.
3001 (scalarize_parms): Likewise.
3002 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3003 (dsa_named_for): Likewise.
3004 * tree-ssa-structalias.c (update_alias_info): Likewise.
3005 (merge_smts_into): Likewise.
3007 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
3010 * doc/invoke.texi (-fcx-limited-range): Document new option.
3011 * toplev.c (process_options): Handle -fcx-fortran-rules.
3012 * common.opt: Add documentation for -fcx-fortran-rules.
3014 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
3017 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3018 actual behaviour and C99.
3020 2008-02-26 Ben Elliston <bje@au.ibm.com>
3022 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3023 (ASM_CPU_POWER6_SPEC): Likewise.
3024 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3025 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3026 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3028 2008-02-25 Richard Guenther <rguenther@suse.de>
3030 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3031 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3032 (lookup_decl_from_uid): Declare.
3033 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3034 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3035 (decl_for_uid_map): New global hashtable mapping DECL_UID
3037 (init_ttree): Allocate it.
3038 (insert_decl_to_uid_decl_map): New helper function.
3039 (make_node_stat): Insert new decls into the map.
3040 (copy_node_stat): Likewise.
3041 (lookup_decl_from_uid): New function.
3042 (print_decl_for_uid_map_statistics): New helper.
3043 (dump_tree_statistics): Call it.
3045 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3046 (referenced_var_iterator): Adjust.
3047 (FOR_EACH_REFERENCED_VAR): Adjust.
3048 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3049 (num_referenced_vars): Adjust.
3050 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3051 (first_referenced_var): Remove.
3052 (end_referenced_vars_p): Likewise.
3053 (next_referenced_var): Likewise.
3054 (referenced_var_iterator_set): New helper function.
3055 * tree-dfa.c (referenced_var_lookup): Adjust.
3056 (referenced_var_check_and_insert): Likewise.
3057 (remove_referenced_var): Likewise.
3058 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3059 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3060 (verify_call_clobbering): Likewise.
3061 (verify_memory_partitions): Likewise.
3062 (init_tree_ssa): Allocate bitmap instead of hashtable for
3064 (delete_tree_ssa): Adjust.
3065 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3066 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3067 (compute_tag_properties): Likewise.
3068 (set_initial_properties): Likewise.
3069 (find_partition_for): Likewise.
3070 (update_reference_counts): Likewise.
3071 (dump_may_aliases_for): Likewise.
3072 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3073 (add_call_clobber_ops): Likewise.
3074 (add_call_read_ops): Likewise.
3075 (get_asm_expr_operands): Likewise.
3076 * tree-into-ssa.c (dump_decl_set): Likewise.
3077 (update_ssa): Likewise.
3078 * tree-sra.c (scan_function): Likewise.
3079 (decide_instantiations): Likewise.
3080 (scalarize_parms): Likewise.
3081 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3082 (dsa_named_for): Likewise.
3083 * tree-ssa-structalias.c (update_alias_info): Likewise.
3084 (merge_smts_into): Likewise.
3086 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
3089 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3090 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3091 * alias.h (nonoverlapping_memrefs_p): Likewise.
3093 2008-02-25 Jan Beulich <jbeulich@novell.com>
3095 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3096 * config/i386/netware-libgcc.exp: Add __bswap?i2,
3097 __emultls_get_address, __emultls_register_common,
3098 __floatundi?f, and _Unwind_GetIPInfo.
3099 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3100 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3101 (gen_regparm_prefix): Likewise.
3102 (i386_nlm_encode_section_info): Sync with
3103 config/i386/winnt.c:i386_pe_encode_section_info().
3104 (i386_nlm_maybe_mangle_decl_assembler_name): New.
3105 i386_nlm_mangle_decl_assembler_name): New.
3106 (netware_override_options): New.
3107 * config/i386/netware.h (netware_override_options): Declare.
3108 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3109 (i386_nlm_mangle_decl_assembler_name): Declare.
3110 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3112 2008-02-25 Ben Elliston <bje@au.ibm.com>
3115 * c-decl.c (grokdeclarator): Remove unused local variables
3116 `typedef_type' and `type_as_written'.
3118 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3119 unused local variable `has_hot_blocks'.
3120 (fix_crossing_conditional_branches): Remove unused local variable
3123 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
3126 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3127 using DEF_C99_BUILTIN.
3128 (BUILT_IN_NANF): Ditto.
3129 (BUILT_IN_NANL): Ditto.
3131 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
3132 Revital Eres <eres@il.ibm.com>
3134 * modulo-sched.c (calculate_must_precede_follow): Address TODO
3135 regarding the order of two dependent insns in the same row.
3137 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
3139 * stor-layout.c (layout_decl): Do not bump the alignment of a
3140 bit-field to more than byte alignment if it is packed.
3142 2008-02-24 David Edelsohn <edelsohn@gnu.org>
3144 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3147 2008-02-24 Diego Novillo <dnovillo@google.com>
3149 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3152 * tree-vrp.c (vrp_evaluate_conditional): With
3153 -Wtype-limits, emit a warning when comparing against a
3154 constant outside the natural range of OP0's type.
3155 * c.opt (Wtype-limits): Move ...
3156 * common.opt (Wtype-limits): ... here.
3158 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
3160 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3161 * config/rs6000/e300c2c3.md: New file.
3162 * config/rs6000/rs6000.c (processor_costs): Add new costs for
3164 (rs6000_override_options): Add e300c2 and e300c3 cases to
3165 processor_target_table. Do not allow usage of Altivec or Spe
3166 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3167 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3168 * config/rs6000/rs6000.h (processor_type): Add
3169 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3170 (ASM_CPU_SPEC): Add e300c2 and e300c3.
3171 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3172 and ppce300c3. Include e300c2c3.md.
3174 2008-02-23 David Edelsohn <edelsohn@gnu.org>
3176 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3177 instead of TARGET_STRICT_ALIGN.
3179 2008-02-23 Joseph Myers <joseph@codesourcery.com>
3181 * explow.c (memory_address): Assert that the generated address is
3184 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3187 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3188 * config/darwin-ppc-ldouble-patch.def: New file.
3189 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3190 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3191 SUBTARGET_INIT_BUILTINS if defined.
3192 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3195 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
3198 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3199 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3201 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
3204 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3205 file" warning condtional on -Winvalid-PCH.
3207 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
3209 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3211 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
3215 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3216 prevent reload from using MMX registers.
3217 (*mov<mode>_internal): Ditto.
3218 (*movv2sf_internal_rex64): Ditto.
3219 (*movv2sf_internal): Ditto.
3221 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3223 PR documentation/31569
3224 * doc/install.texi2html: Use makeinfo --no-number-sections.
3226 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3228 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3229 ensure that we can address an entire entity > 8 bytes. Don't
3230 generate reg+reg addressing for such data.
3232 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3234 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3235 strings when optimizing for size, unless the target cares about
3238 2008-02-22 Tom Tromey <tromey@redhat.com>
3240 * regclass.c (current_pass): Remove declaration.
3242 2008-02-22 Anatoly Sokolov <aesok@post.ru>
3244 * config/avr/libgcc.S (__RAMPZ__): Define.
3245 (__do_copy_data): Add for devices with 128KB code memory.
3247 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3249 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3251 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3253 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
3255 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3258 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3261 * c-typeck.c (build_binary_op): Warn about floating point
3262 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3264 2008-02-21 Janis Johnson <janis187@us.ibm.com>
3267 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3268 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3270 (rs6000_override_options): Set altivec_abi as default, not override,
3271 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3272 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3273 is used; use new member spe_abi.
3274 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3275 spe_abi and altivec_abi.
3277 2008-02-22 Tomas Bily <tbily@suse.cz>
3279 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3281 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3284 * config.build (build_file_translate): Set to `CMD //c' only if
3286 * Makefile.in (build_file_translate): Improve comment.
3288 2008-02-21 Jan Hubicka <jh@suse.cz>
3290 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3291 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3292 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3294 2008-02-21 Michael Matz <matz@suse.de>
3297 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3299 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
3301 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3302 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3304 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3305 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3306 SSE_VEC_FLOAT_MODE_P as insn constraint.
3307 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3308 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3309 sse4a_movntdf using MODEF mode iterator.
3310 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3311 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3312 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3313 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3314 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3315 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3316 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3318 2008-02-21 Richard Guenther <rguenther@suse.de>
3320 * tree.def (PAREN_EXPR): New tree code.
3321 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3323 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3324 * expr.c (expand_expr_real_1): Likewise.
3325 * tree-inline.c (estimate_num_insns_1): Likewise.
3326 * tree-complex.c (expand_complex_move): Likewise.
3327 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3330 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
3333 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3335 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
3338 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3340 * config/sh/sh.c (find_barrier): Don't go past
3341 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3343 2008-02-20 DJ Delorie <dj@redhat.com>
3345 * config/h8300/h8300.md (insv): Force source operand to be a register.
3347 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3348 as a jump, not as a plain insn.
3350 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
3352 * doc/invoke.texi (Warning Options): Add new option
3353 -Wframe-larger-than=.
3354 (-Wframe-larger-than): Document.
3356 * flags.h (warn_frame_larger_than, frame_larger_than_size):
3357 Add declarations for new option variables.
3359 * final.c (final_start_function): Check the frame size
3360 before emission and issue a Wframe-larger-than warning.
3362 * opts.c (warn_frame_larger_than, frame_larger_than_size):
3363 Add definitions for new option variables.
3364 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3366 * common.opt (Wframe-larger-than=): New option.
3368 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
3370 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3371 (<sse>_div<mode>3): Ditto.
3372 (<sse>_vmdiv<mode>3): Ditto.
3373 (<sse>_vmsqrt<mode>2): Ditto.
3374 (*smax<mode>3): Ditto.
3375 (sse5_frcz<mode>2): Ditto.
3376 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
3379 2008-02-20 Richard Guenther <rguenther@suse.de>
3382 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3383 be happy with INTEGRAL_TYPE_P.
3385 2008-02-20 Richard Guenther <rguenther@suse.de>
3387 * fold-const.c (split_tree): Associate floatig-point expressions
3388 if flag_associative_math is set.
3390 2008-02-20 Richard Guenther <rguenther@suse.de>
3392 * tree.h (fold_real_zero_addition_p): Declare.
3393 * fold-const.c (fold_real_zero_addition_p): Export.
3394 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3395 floating-point operations with zero and one.
3397 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
3399 * doc/install.texi: Correct references to CFLAGS, replacing them
3400 with BOOT_CFLAGS. Document flags used during bootstrap for
3403 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
3405 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3406 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3407 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3409 (smin<mode>3): Ditto from similar patterns.
3410 (smax<mode>3): Ditto.
3411 (*ieee_smin<mode>3): Ditto.
3412 (*ieee_smax<mode>3): Ditto.
3413 * config/i386/sse.md (sse): New mode attribute.
3414 (mov<mode>): Macroize expander from movv4sf and movv2df using
3415 SSEMODEF2P mode iterator.
3416 (<sse>_movnt<mode>): Ditto from similar patterns. Use
3417 SSE_VEC_FLOAT_MODE_P as insn constraint.
3418 (storent<mode>): Ditto.
3419 (storent<mode>): Macroize expander from storentsf and storentdf using
3420 MODEF mode iterator.
3421 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3422 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3423 (abs<mode>2): Ditto from similar patterns.
3424 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3425 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3426 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3427 (<sse>_vmsqrt<mode>2): Ditto.
3428 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3429 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3430 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3431 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3432 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3433 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3434 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3436 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3437 iterator and SSE_FLOAT_MODE_P as insn constraint.
3438 (<sse>_ucomi): Ditto from similar patterns.
3439 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3440 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3441 SSE_VEC_FLOAT_MODE_P as insn constraint.
3442 (vcond<mode>): Ditto from similar patterns.
3443 (and<mode>3, *and<mode>3): Ditto.
3444 (<sse>_nand<mode>3): Ditto.
3445 (ior<mode>3, *ior<mode>3): Ditto.
3446 (xor<mode>3, *xor<mode>3): Ditto.
3447 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3448 iterator and SSE_FLOAT_MODE_P as insn constraint.
3449 (*nand<mode>3): Ditto from similar patterns.
3450 (*ior<mode>3): Ditto.
3451 (*xor<mode>3): Ditto.
3453 2008-02-20 Ira Rosen <irar@il.ibm.com>
3455 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3456 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3457 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3459 2008-02-19 Jan Hubicka <jh@suse.cz>
3461 * predict.c (tree_bb_level_predictions): Remove variable next
3462 mistakely introduced by previous commit.
3464 2008-02-19 Jan Hubicka <jh@suse.cz>
3466 * predict.c (predict_paths_leading_to): Rewrite.
3467 (predict_paths_for_bb): New.
3468 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3470 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3473 * Makefile.in (build_file_translate): New.
3474 (gcc-vers.texi): Use it for translating $(abs_srcdir).
3475 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3476 * configure.ac (build_file_translate): Substitute it.
3477 * configure: Regenerate.
3479 2008-02-19 Jan Hubicka <jh@suse.cz>
3481 PR rtl-optimization/34408
3482 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3485 2008-02-19 Jan Hubicka <jh@suse.cz>
3488 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3491 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
3494 * config/i386/i386-modes.def: Revert the last DI alignment
3495 change until Ada people can look into it.
3497 2008-02-19 Nick Clifton <nickc@redhat.com>
3499 * opts.c (print_specific_help): Fix typo in --help text.
3501 2008-02-19 Jakub Jelinek <jakub@redhat.com>
3504 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3505 32-bit inline asm without asm alternatives for host GCC < 3.0.
3507 2008-02-19 Richard Guenther <rguenther@suse.de>
3509 PR tree-optimization/34989
3510 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3511 Allow propagation to INDIRECT_REF if we can simplify only.
3513 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3515 * c-common.c (warn_for_collisions_1): Use appropriate option when
3518 2008-02-19 Nick Clifton <nickc@redhat.com>
3521 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3522 (handle_options): Fix indentation.
3523 (print_filtered_help): If no language-specific options were
3524 displayed tell the user how to list all the options supported by
3525 the language's front-end.
3526 (print_specific_help): Fix indentation and remove duplicate line.
3527 (common_handle_option): Handle the -v option.
3528 For --help enable the display of undocumented options if the -v
3529 switch has been included on the command line.
3530 For --help= check for overlaps in the arguments between the option
3531 classes and the language names and issue a warning when they
3532 cannot be disambiguated.
3533 * c.opt (v): Pass on to the common option handler.
3535 2008-02-19 Revital Eres <eres@il.ibm.com>
3537 * modulo-sched.c (sms_schedule): Change dump message when
3538 create_ddg function fails.
3539 (try_scheduling_node_in_cycle): Rename row to cycle.
3540 (print_partial_schedule): Rename CYCLE to ROW.
3542 2008-02-19 Christian Bruel <christian.bruel@st.com>
3543 Zdenek Dvorak <ook@ucw.cz>
3545 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3547 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
3550 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3551 (*x86_movdicc_0_m1_se): Ditto.
3553 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
3555 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3556 (CMPtype): Define as __gcc_CMPtype.
3557 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3558 (CMPtype): Define as __gcc_CMPtype.
3560 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
3562 Support valgrind 3.3 for --enable-checking=valgrind.
3563 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3565 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3566 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3567 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3568 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3569 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3570 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3571 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3573 * ggc-zone.c: Similar.
3574 * ggc-page.c: Similar.
3576 2008-02-19 Paul Brook <paul@codesourcery.com>
3579 * config/arm/ieee754-df.S: Fix do_it typo.
3580 * config/arm/ieee754-sf.S: Fix do_it typo.
3582 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3585 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3586 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3587 (OPTION_MASK_ISA_SSE_SET): Likewise.
3588 (OPTION_MASK_ISA_SSE2_SET): Likewise.
3589 (OPTION_MASK_ISA_SSE3_SET): Likewise.
3590 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3591 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3592 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3593 (OPTION_MASK_ISA_SSE4_SET): Likewise.
3594 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3595 (OPTION_MASK_ISA_SSE5_SET): Likewise.
3596 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3597 (OPTION_MASK_ISA_MMX_UNSET): Updated.
3598 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3599 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3600 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3601 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3602 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3603 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3604 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3605 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3606 (OPTION_MASK_ISA_SSE4): Removed.
3607 (ix86_handle_option): Turn on bits in ix86_isa_flags and
3608 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3609 (override_options): Don't turn on implied SSE/MMX bits in
3612 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3614 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3617 2008-02-18 Joey Ye <joey.ye@intel.com>
3620 * tree-nested.c (insert_field_into_struct): Set type alignment
3621 to field alignment if the former is less than the latter.
3623 2008-02-18 Jakub Jelinek <jakub@redhat.com>
3625 * BASE-VER: Set to 4.4.0.
3627 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3629 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3630 * doc/cfg.texi: Likewise.
3631 * doc/extend.texi: Likewise.
3632 * doc/gty.texi: Likewise.
3633 * doc/invoke.texi: Likewise.
3634 * doc/loop.texi: Likewise.
3635 * doc/md.texi: Likewise.
3636 * doc/passes.texi: Likewise.
3637 * doc/rtl.texi: Likewise.
3638 * doc/sourcebuild.texi: Likewise.
3639 * doc/tm.texi: Likewise.
3640 * doc/tree-ssa.texi: Likewise.
3642 2008-02-17 Richard Guenther <rguenther@suse.de>
3645 * tree-complex.c (init_parameter_lattice_values): Handle parameters
3646 without default definition.
3648 2008-02-17 Richard Guenther <rguenther@suse.de>
3650 PR tree-optimization/35231
3651 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3654 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
3657 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3658 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3659 libgcc_cmp_return mode.
3661 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3664 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3666 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
3668 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3671 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3673 * doc/c-tree.texi: Use `@.' where appropriate.
3674 * doc/extend.texi: Likewise.
3675 * doc/install.texi: Likewise.
3676 * doc/invoke.texi: Likewise.
3677 * doc/loop.texi: Likewise.
3678 * doc/makefile.texi: Likewise.
3679 * doc/md.texi: Likewise.
3680 * doc/passes.texi: Likewise.
3681 * doc/standards.texi: Likewise.
3682 * doc/tm.texi: Likewise.
3684 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3687 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3689 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3690 rather than in entry_bb.
3692 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3694 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3695 libgcc_cmp_return mode.
3697 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3700 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3701 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3703 2008-02-15 Richard Guenther <rguenther@suse.de>
3704 Zdenek Dvorak <ook@ucw.cz>
3706 PR tree-optimization/35164
3707 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3708 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3709 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3710 Only propagate addresses which do not have abnormal SSA_NAMEs
3713 2008-02-15 Joseph Myers <joseph@codesourcery.com>
3716 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3718 2008-02-15 Jan Hubicka <jh@suse.cz>
3721 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3723 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3726 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3727 when calculating alignment_pad.
3729 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3731 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3732 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3733 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3734 and STACK_BOUNDARY define.
3736 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
3738 PR preprocessor/35061
3739 * c-pragma.c (handle_pragma_pop_macro): Check that
3740 pushed_macro_table has been allocated.
3742 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
3745 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3746 (force_gimple_operand): Likewise.
3747 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3748 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3749 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3750 (find_interesting_uses_address): Check addressability and alignment
3751 of the base expression only after substituting bases of IVs into it.
3753 2008-02-14 Michael Matz <matz@suse.de>
3756 * function.c (instantiate_virtual_regs_in_insn): Reload address
3757 before falling back to reloading the whole operand.
3759 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
3761 * config/s390/s390.c (s390_mainpool_start): Emit the pool
3762 before the first section switch note.
3764 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3766 * doc/bugreport.texi: Update copyright years.
3767 * doc/c-tree.texi: Likewise.
3768 * doc/cfg.texi: Likewise.
3769 * doc/cpp.texi: Likewise.
3770 * doc/cppinternals.texi: Likewise.
3771 * doc/fragments.texi: Likewise.
3772 * doc/frontends.texi: Likewise.
3773 * doc/gcc.texi: Likewise.
3774 * doc/gty.texi: Likewise.
3775 * doc/hostconfig.texi: Likewise.
3776 * doc/implement-c.texi: Likewise.
3777 * doc/libgcc.texi: Likewise.
3778 * doc/loop.texi: Likewise.
3779 * doc/makefile.texi: Likewise.
3780 * doc/options.texi: Likewise.
3781 * doc/passes.texi: Likewise.
3782 * doc/rtl.texi: Likewise.
3783 * doc/sourcebuild.texi: Likewise.
3784 * doc/standards.texi: Likewise.
3785 * doc/tree-ssa.texi: Likewise.
3786 * doc/trouble.texi: Likewise.
3788 * doc/extend.texi: Use @: or add comma where appropriate.
3789 * doc/invoke.texi: Likewise.
3790 * doc/tm.texi: Likewise.
3792 2008-02-14 Alan Modra <amodra@bigpond.net.au>
3795 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3798 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
3800 * doc/md.texi (clz, ctz): Add reference.
3801 * doc/rtl.texi (clz, ctz): Likewise.
3803 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3806 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3809 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
3811 * config/s390/s390.c (struct constant_pool): New field
3812 emit_pool_after added.
3813 (s390_mainpool_start): Set the emit_pool_after flag according
3814 to the section switch notes.
3815 (s390_mainpool_finish): Consider emit_pool_after when emitting
3816 the literal pool at the end of the function.
3817 (s390_chunkify_start): Force literal pool splits at section
3820 2008-02-13 Michael Matz <matz@suse.de>
3823 * var-tracking.c (clobber_variable_part): Correctly traverse the
3826 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3829 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3830 Add -fdump-ipa-inline.
3831 * tree-dump.c (dump_files): Remove tree-inlined dump.
3832 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3834 2008-02-12 Richard Guenther <rguenther@suse.de>
3836 PR tree-optimization/35171
3837 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3840 2008-02-12 Richard Guenther <rguenther@suse.de>
3843 * fold-const.c (fold_widened_comparison): Use get_unwidened in
3844 value-preserving mode. Disallow final truncation.
3846 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
3849 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3850 code from here to...
3851 (force_gimple_operand): ...here.
3853 2008-02-12 Jakub Jelinek <jakub@redhat.com>
3856 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3857 non-compatible pointers.
3858 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3859 different FIELD_DECLs, try harder by comparing field offsets, sizes
3863 * function.c (match_asm_constraints_1): Don't replace the same input
3866 2008-02-12 Anatoly Sokolov <aesok@post.ru>
3868 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3869 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3870 (expand_epilogue): Restore RAMPZ register.
3871 * config/avr/avr.md (RAMPZ_ADDR): New constant.
3873 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
3875 * config/i386/cygwin.asm: (__alloca): Correct calling
3876 convention and alignment.
3877 (__chkstk): Force 8 byte stack alignment.
3879 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
3880 Richard Guenther <rguenther@suse.de>
3882 PR tree-optimization/33992
3883 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3884 the zero we compare against.
3886 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
3889 * gthr-win32.h (__gthread_mutex_destroy_function): New function
3890 to CloseHandle after unlocking to prevent accumulation of handle
3893 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3896 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3897 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
3898 and update LABEL_NUSES during and after reload.
3900 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
3903 * combine.c (simplify_if_then_else): Make sure the comparison is
3904 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3906 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
3909 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3910 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3911 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3912 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3913 * tree.h (get_type_static_bounds): Likewise.
3915 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3917 * doc/invoke.texi (Option Summary, C++ Dialect Options)
3918 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3919 Make -Wfoo language annotations match what the compiler outputs.
3921 2008-02-08 Sa Liu <saliu@de.ibm.com>
3923 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
3924 intrinsics spu_convts, spu_convtu, spu_convtf.
3925 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3927 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
3929 * doc/extend.texi (Function Attributes) <noinline>: Mention
3930 asm ("") as method to keep calls.
3932 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3935 * doc/options.texi (Options): Replace references to opts.sh with
3937 * opts-common.c: Likewise.
3938 * optc-gen.awk: Likewise.
3940 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
3942 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3944 2008-02-07 Richard Henderson <rth@redhat.com>
3947 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3948 EXPR_LIST for the REG_EQUAL instead of a comparison with a
3951 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
3953 PR tree-optimization/35085
3954 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3955 for operand entry oe2 in addition to operand entry oe3 in order to
3956 expose more opportunities for vectorizer sum reduction.
3958 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3961 * Makefile.in (LIBS): Remove $(GMPLIBS).
3962 (cc1-dummy, cc1): Add $(GMPLIBS).
3964 2008-02-06 Jan Hubicka <jh@suse.cz>
3967 * i386.md (moddf_integer): Do not produce partial memory stalls for
3968 targets where it hurts.
3970 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
3973 * optabs.c (expand_float): Do not check for decimal modes when
3974 expanding unsigned integer through signed conversion.
3976 2008-02-06 Nick Clifton <nickc@redhat.com>
3978 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3979 inside the clobber with a match_operand and duplicated operand
3980 number in the constraint.
3981 (ineqbranchsi): Delete redundant comment.
3983 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3985 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
3986 builtin_define ("__USE_INIT_FINI__").
3987 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3989 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3991 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3993 PR documentation/30330
3994 * doc/invoke.texi (C++ Dialect Options)
3995 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3996 For each warning option -Wfoo that allows -Wno-foo, ensure both
3997 -Wfoo and -Wno-foo are listed in the option index. Fix index
3998 entry of -Wswitch-default, index -Wnormalized= including the
3999 `=', and -Wlarger-than-@var{len} including @var{len}.
4001 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
4003 * config/i386/i386.md (floatunssisf2): Use
4004 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
4005 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
4006 Macroize expander using MODEF mode iterator.
4008 2008-02-05 Diego Novillo <dnovillo@google.com>
4010 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
4013 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
4015 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4018 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
4020 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
4023 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4024 to indicate if a message should be generated.
4025 (init_cumulative_args): Updated.
4026 (function_value_32): Likewise.
4028 2008-02-05 Joseph Myers <joseph@codesourcery.com>
4030 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
4032 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
4035 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4036 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4038 2008-02-04 Diego Novillo <dnovillo@google.com>
4040 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4043 * tree-vrp.c (vrp_evaluate_conditional): With
4044 -Wtype-limits, emit a warning when comparing against a
4045 constant outside the natural range of OP0's type.
4047 2008-02-04 Richard Guenther <rguenther@suse.de>
4050 * expr.c (count_type_elements): Give for unions instead of
4053 2008-02-04 Richard Guenther <rguenther@suse.de>
4056 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
4057 to TYPE_DOMAINs base type instead of using bitsizetype here.
4059 2008-02-03 Jason Merrill <jason@redhat.com>
4061 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
4063 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4066 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
4067 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
4068 (RS/6000 and PowerPC Options): Fix typos and markup.
4069 * doc/passes.texi (Tree-SSA passes): Likewise.
4071 2008-02-02 Michael Matz <matz@suse.de>
4074 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
4075 from record_last_reg_set_info.
4076 (record_last_reg_set_info): Take an RTX argument, iterate over all
4077 constituent hardregs.
4078 (record_last_set_info, record_opr_changes): Change calls to
4079 new signature or to record_last_reg_set_info_regno.
4081 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4083 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
4085 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
4087 PR rtl-optimization/34773
4088 * reg-notes.def (EQUAL): Mention significance of combination of
4089 REG_EQUAL and REG_RETVAL.
4090 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
4091 insn that has a REG_RETVAL.
4093 2008-02-01 Roger Sayle <roger@eyesopen.com>
4096 * configure.ac (--enable-fixed-point): Disable unless explicitly
4098 * configure: Regenerate.
4100 2008-02-01 Richard Guenther <rguenther@suse.de>
4103 * invoke.texi (-finline-limit): Remove no longer true parts
4104 of the documentation. Note that there is no default value.
4106 2008-02-01 Andrew Pinski <pinskia@gmail.com>
4107 Mark Mitchell <mark@codesourcery.com>
4108 Ben Elliston <bje@au.ibm.com>
4111 * doc/extend.texi (Other Builtins): Document.
4113 2008-01-31 Tom Browder <tom.browder@gmail.com>
4115 * doc/c-tree.texi (Types): Fix grammar.
4116 (Expression trees): Ditto.
4117 * doc/passes.texi (Tree-SSA passes): Ditto.
4119 * doc/configterms.texi (Configure Terms): Fix typo.
4120 * doc/cpp.texi (Common Predefined Macros): Ditto.
4121 * doc/md.texi (Machine Constraints): Ditto.
4123 * doc/makefile.texi (Makefile): Add comma.
4125 2008-01-31 Tom Browder <tom.browder@gmail.com>
4126 Gerald Pfeifer <gerald@pfeifer.com>
4128 * doc/sourcebuild.texi (Front End): Remove references to CVS
4129 and CVSROOT/modules.
4130 (Texinfo Manuals): Replace reference to CVS by one to SVN.
4131 (Back End): Remove reference to CVS.
4133 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
4136 * config/mips/mips.c (gen_load_const_gp): New function, taking a
4138 (mips16_gp_pseudo_reg): ...here.
4139 * config/mips/mips.md (load_const_gp): Replace with...
4140 (load_const_gp_<mode>): ...this :P-based insn.
4142 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4144 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4145 options. Minor fixes.
4146 (-std): Move reference to standards closer to where language
4147 standards are first mentioned.
4149 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
4151 PR rtl-optimization/34995
4152 * reload.c (alternative_allows_const_pool_ref): Take an rtx
4153 parameter and return a bool. If the rtx parameter is nonnull,
4154 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4155 (find_reloads): Update call accordingly. Pass the new operand
4156 if it needed no address reloads, otherwise pass null.
4158 2008-01-30 Richard Henderson <rth@redhat.com>
4161 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4162 for unbounded arrays.
4164 2008-01-30 Silvius Rus <rus@google.com>
4166 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4168 2008-01-30 Jan Hubicka <jh@suse.cz>
4171 * i386.c (init_cumulative_args): Use real function declaration when
4174 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
4176 PR rtl-optimization/34998
4177 * global.c (build_insn_chain): Treat non-subreg_lowpart
4178 SUBREGs of pseudos as clobbering all the words covered by the
4179 SUBREG, not just all the bytes.
4180 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
4181 original df_ref rather than an extract parameter.
4182 (global_conflicts): Update call accordingly.
4184 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
4186 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4187 the overflow check to make it easier to read.
4188 (__fixtfdi): Change the type of the ll member in union
4189 long_double to UDItype_x.
4191 2008-01-30 Jakub Jelinek <jakub@redhat.com>
4194 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4195 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4196 * tree-inline.c (fold_marked_statements): Call
4197 cgraph_update_edges_for_call_stmt if folding a call statement.
4198 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4199 debug_generic_stmt calls, reset it back afterwards.
4202 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4204 * c-typeck.c (build_external_ref): Don't pedwarn about
4205 static vars in current function's scope.
4207 2008-01-29 Joseph Myers <joseph@codesourcery.com>
4209 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4211 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
4214 * ipa-struct-reorg.c: Fix spelling.
4215 * params.def: Ditto.
4217 2008-01-29 Richard Guenther <rguenther@suse.de>
4220 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4222 * tree-inline.c (remap_type): Increment remapping_type_depth
4223 around remapping types.
4224 (copy_body_r): Only add referenced variables if they are referenced
4225 from code, not types.
4227 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
4238 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4239 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4241 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
4244 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
4245 pointer for tiny stack.
4247 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
4249 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4251 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
4253 * config/vx-common.h: Fix typo in comment.
4255 2008-01-28 Ian Lance Taylor <iant@google.com>
4259 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4260 coalesce pointers if they have different DECL_NO_TBAA_P values.
4261 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4262 between variables with different DECL_NO_TBAA_P values.
4264 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
4267 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4268 are not legitimate small data references on SPE targets.
4270 2008-01-28 David Daney <ddaney@avtrex.com>
4272 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4274 2008-01-28 David Daney <ddaney@avtrex.com>
4276 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
4278 2008-01-27 Joseph Myers <joseph@codesourcery.com>
4280 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4281 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4282 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4283 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4284 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4285 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4286 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4287 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4289 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4291 * basic-block.h (condjump_equiv_p): Fix comment.
4293 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4295 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4296 print_generic_stmt_indented): Fix comment.
4298 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4300 * configure.ac (__stack_chk_fail): Add detecion for availability
4301 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4302 * configure: Regenerate.
4304 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
4307 * final.c (output_addr_const): Handle TRUNCATE.
4309 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
4312 * tree-ssa-loop-ivopts.c (comp_cost): New type.
4313 (zero_cost, infinite_cost): New constants.
4314 (struct cost_pair): Change type of cost to comp_cost.
4315 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4316 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4318 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4319 split_address_cost, ptr_difference_cost, difference_cost,
4320 get_computation_cost_at, get_computation_cost,
4321 determine_use_iv_cost_generic, determine_use_iv_cost_address,
4322 determine_use_iv_cost_condition, determine_use_iv_costs,
4323 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4324 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4325 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4326 Change type of cost to comp_cost.
4327 (determine_iv_cost): Increase cost of non-original ivs, instead
4328 of decreasing the cost of original ones.
4329 (get_address_cost): Indicate the complexity of the addressing mode
4331 (try_add_cand_for): Prefer using ivs not specific to some object.
4332 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4334 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
4335 Janis Johnson <janis187@us.ibm.com>
4338 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4339 (TARGET_INSTANTIATE_DECLS): Likewise.
4340 * target.h (expand_to_rtl_hook): New target hook.
4341 (instantiate_decls): Likewise.
4342 * function.c (instantiate_decl): Make non-static. Rename to...
4343 (instantiate_decl_rtl): ... this.
4344 (instantiate_expr): Use instantiate_decl_rtl.
4345 (instantiate_decls_1): Likewise.
4346 (instantiate_decls): Likewise.
4347 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4348 * function.h (instantiate_decl_rtl): Add prototype.
4349 * cfgexpand.c (target.h): New include.
4350 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4351 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4352 (TARGET_INSTANTIATE_DECLS): Likewise.
4353 (TARGET_INITIALIZER): New target hooks added.
4354 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4356 * config/rs6000/rs6000.c (tree-flow.h): New include.
4357 (machine_function): Add sdmode_stack_slot field.
4358 (rs6000_alloc_sdmode_stack_slot): New function.
4359 (rs6000_instantiate_decls): Likewise.
4360 (rs6000_secondary_memory_needed_rtx): Likewise.
4361 (rs6000_check_sdmode): Likewise.
4362 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4363 (TARGET_INSTANTIATE_DECLS): Likewise.
4364 (rs6000_hard_regno_mode_ok): Allow SDmode.
4365 (num_insns_constant): Likewise. Handle _Decimal32 constants.
4366 (rs6000_emit_move): Handle SDmode.
4367 (function_arg_advance): Likewise.
4368 (function_arg): Likewise.
4369 (rs6000_gimplify_va_arg): Likewise. Add special handling of
4370 SDmode var args for 32-bit compiles.
4371 (rs6000_secondary_reload_class): Handle SDmode.
4372 (rs6000_output_function_epilogue): Likewise.
4373 (rs6000_function_value): Simplify if statement.
4374 (rs6000_libcall_value): Likewise.
4375 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4376 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4377 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4378 (movsd_hardfloat): New define_insn.
4379 (movsd_softfloat): Likewise.
4380 (movsd_store): Likewise.
4381 (movsd_load): Likewise.
4382 (extendsddd2): Likewise.
4383 (extendsdtd2): Likewise.
4384 (truncddsd2): Likewise.
4385 (movdd_hardfloat64): Fixup comment.
4386 (UNSPEC_MOVSD_LOAD): New constant.
4387 (UNSPEC_MOVSD_STORE): Likewise.
4389 2008-01-26 Jakub Jelinek <jakub@redhat.com>
4392 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4394 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4395 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4396 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4399 2008-01-26 David Edelsohn <edelsohn@gnu.org>
4402 * config.gcc: Separate AIX 5.3 from AIX 6.1.
4403 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4404 __LONGDOUBLE128 too.
4405 * config/rs6000/aix61.h: New file.
4407 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
4409 PR rtl-optimization/34959
4410 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4411 popcount and parity rtxes the same mode as their operand.
4412 Truncate or extend the result to the return value's mode
4415 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
4418 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4419 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4420 to GOT_VERSION_REGNUM.
4421 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4422 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4423 * config/mips/mips.c (mips_emit_call_insn): New function.
4424 (mips_call_tls_get_addr): Call mips_expand_call directly.
4425 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4427 (mips16_build_call_stub): Likewise. Return the call insn or null.
4428 (mips_expand_call): Update the call to mips16_build_call_stub
4429 accordingly and a remove redundant condition. Assert that MIPS16
4430 stubs do not use lazy binding. Use mips_emit_call_insn and return
4432 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4434 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4435 (mips_avoid_hazard): Remove hazard_set handling.
4436 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4437 (UNSPEC_RESTORE_GP): ...this.
4438 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4439 (FAKE_CALL_REGNO): Rename to...
4440 (GOT_VERSION_REGNUM): ...this.
4441 (type): Add "ghost" value. Add an associated insn reservation.
4442 (hazard_set): Remove.
4443 (exception_receiver): Rename to...
4444 (restore_gp): ...this and update the unspec identifier accordingly.
4445 (exception_receiver, nonlocal_got_receiver): New expanders.
4446 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
4447 FAKE_CALL_REGNO. Remove hazard_set attribute.
4448 (set_got_version, update_got_version): New patterns.
4450 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
4453 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4455 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4458 * doc/install.texi2html: Generate gcc-vers.texi.
4460 2008-01-25 DJ Delorie <dj@redhat.com>
4462 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4464 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4466 * config/c4x: Remove directory.
4467 * config.gcc (crx-*, mt-*): Mark obsolete.
4468 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4469 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4470 sh-*-rtemscoff*): Remove cases.
4471 * defaults.h (C4X_FLOAT_FORMAT): Remove.
4472 * real.c (encode_c4x_single, decode_c4x_single,
4473 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4474 c4x_extended_format): Remove.
4475 * real.h (c4x_single_format, c4x_extended_format): Remove.
4476 * doc/extend.texi (interrupt, naked): Remove mention of attributes
4478 (Pragmas): Remove comment about c4x pragmas.
4479 * doc/install.texi (c4x): Remove target-specific instructions.
4480 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4481 * doc/md.texi (Machine Constraints): Remove C4x documentation.
4482 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4483 refer to C4x source files as examples.
4484 (C4X_FLOAT_FORMAT): Remove documentation.
4486 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
4488 * config/bfin/bfin.c (override_options): Reorder tests so that
4489 flag_pic gets enabled for -msep-data.
4491 2008-01-25 Richard Guenther <rguenther@suse.de>
4494 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4495 to its bitfield precision if required.
4497 2008-01-25 Jakub Jelinek <jakub@redhat.com>
4500 * tree-nested.c (walk_omp_for): New function.
4501 (convert_nonlocal_reference, convert_local_reference): Call
4502 walk_omp_for on OMP_FOR.
4503 (convert_call_expr): Call walk_body on OMP_FOR's
4504 OMP_FOR_PRE_INIT_BODY.
4506 2008-01-25 Richard Guenther <rguenther@suse.de>
4508 PR tree-optimization/34966
4509 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4510 default defs and PHI_NODEs we have to insert after the
4513 2008-01-24 Nick Clifton <nickc@redhat.com>
4515 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4516 Provide a default definition.
4517 (LIBGCC2_UNITS_PER_WORD): Likewise.
4519 * config/stormy16/stormy16.c: Include df.h for the prototype
4520 for df_regs_ever_live_p.
4521 (xstormy16_expand_builtin_va_start): Convert the stack offset
4522 into a component_ref and then use POINTER_PLUS_EXPR to add it
4523 to the incoming_virtual_args_rtx.
4524 (xstormy16_gimplify_va_arg_expr): Rename to
4525 xstormy16_gimplify_va_arg_expr.
4526 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4527 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4528 xstormy16_gimplify_va_arg_expr.
4529 Fix up some formatting issues.
4531 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4532 Move to predicates.md.
4533 (xs_hi_general_operand): Likewise.
4534 (xs_hi_nonmemory_operand): Likewise.
4535 * config/stormy16/predicates.md:
4536 (xstormy16_carry_plus_operand): New predicate.
4537 (xs_hi_general_operand): New predicate.
4538 (xs_hi_nonmemory_operand): New predicate.
4539 * config/stormy16/stormy16-protos.h:
4540 (xstormy16_carry_plus_operand): Delete prototype.
4541 (xs_hi_general_operand): Likewise.
4542 (xs_hi_nonmemory_operand): Likewise.
4544 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4545 modifiers as they are no longer needed and they can trigger
4546 reload spill failures.
4548 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4549 with a match_operand in order to help reload.
4551 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4552 constraint with 'e' for the 8th alternative as this version of
4553 the mov.w instruction only accepts the lower 8 registers.
4555 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
4558 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4559 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4562 2008-01-25 Jakub Jelinek <jakub@redhat.com>
4565 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4567 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
4569 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4571 (remove_structure): Update allocations list before removing structure.
4573 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
4575 * ipa-struct-reorg.c (is_safe_cond_expr,
4576 create_new_stmts_for_cond_expr): Use integer_zerop function,
4577 that recognize not only zero-pointer, but zero-integer too.
4579 2008-01-25 Ben Elliston <bje@au.ibm.com>
4582 * fixproto: Escape "." in sed expression that strips leading "./".
4584 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
4587 * gcc.c (SWITCH_OK): Removed.
4588 (SWITCH_LIVE): Changed to bit.
4589 (SWITCH_FALSE): Likewise.
4590 (SWITCH_IGNORE): Likewise.
4591 (switchstr): Change live_cond to unsigned int.
4592 (process_command): Replace SWITCH_OK with 0.
4593 (do_self_spec): Likewise.
4594 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4595 (give_switch): Likewise.
4596 (used_arg): Likewise.
4597 (do_spec_1): Set the SWITCH_IGNORE bit.
4598 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4599 bits. Set the SWITCH_LIVE bit.
4601 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
4603 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4605 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
4607 PR tree-optimization/34472
4608 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4609 parameter to a "bool *" and set *DATA to false if there is
4610 an unsafe access. Do not delete the structure here.
4611 (check_cond_exprs): Delete it here instead.
4612 (check_cond_exprs, exclude_cold_structs): Do not increase
4613 I when removing a structure.
4615 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
4618 * config/i386/i386.c (ix86_expand_vector_init): Consider only
4619 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4621 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
4624 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4625 a fixed vector for stack.
4627 2008-01-24 Ben Elliston <bje@au.ibm.com>
4630 * doc/gcc.texi (Software development): Add a direntry for g++.
4632 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
4634 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4635 stale and straggling -fforce-addr comments above.
4637 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4639 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4640 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4642 2008-01-23 Michael Matz <matz@suse.de>
4645 * dwarf2out.c (force_type_die): Use modified_type_die instead of
4648 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
4650 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4653 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4655 * config/avr/avr.c (avr_current_arch): New variable.
4656 (avr_arch_types): Add 'avr31' and 'avr51' entries.
4657 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4658 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4659 (avr_override_options): Init 'avr_current_arch'.
4660 (base_arch_s): Move from here...
4661 * config/avr/avr.h (base_arch_s): ... here. Add new members
4662 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
4663 'mega' to 'have_jmp_call'.
4664 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
4665 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
4667 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
4669 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
4670 MULTILIB_MATCHES): (Ditto.).
4672 2008-01-23 Richard Guenther <rguenther@suse.de>
4675 * cgraphunit.c (cgraph_reset_node): Always mark the node
4676 not reachable if it is not queued already.
4678 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
4680 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4681 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4682 (cputype_selected): New static variable.
4683 (bfin_handle_option): Set it if -mcpu is used.
4684 (override_option): Select default set of workarounds if no cpu type
4685 selected on the command line.
4686 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4688 From Michael Frysinger <michael.frysinger@analog.com>
4689 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4690 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4692 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4693 for bf547, bf523, bf524, and bf526.
4694 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
4696 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4697 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4698 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4699 __ADSPBF547__ and __ADSPBF54x__ for bf547.
4700 * doc/invoke.texi (Blackfin Options): Document that
4701 -mcpu now accept bf547, bf523, bf524, and bf526.
4703 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
4705 PR rtl-optimization/34628
4706 * combine.c (try_combine): Stop and undo after the first combination
4707 if an autoincrement side-effect on the first insn has effectively
4710 2008-01-22 David Edelsohn <edelsohn@gnu.org>
4713 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4714 Offset addresses are not valid for Altivec or paired float modes.
4716 2008-01-22 Jakub Jelinek <jakub@redhat.com>
4719 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4720 if DECL_INITIAL (decl) is error_mark_node.
4723 * c-common.c (handle_vector_size_attribute): Only allow
4724 integral, scalar float and fixed point types. Handle OFFSET_TYPE
4725 the same way as pointer, array etc. types.
4726 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4729 * tree.c (build_type_attribute_qual_variant): Call
4730 build_qualified_type if attributes are equal, but quals are not.
4732 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4735 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4736 * flags.h (warn_strict_aliasing): Remove.
4737 (warn_strict_overflow): Remove.
4738 * opts.c (warn_strict_aliasing): Remove.
4739 (warn_strict_overflow): Remove.
4740 * c-opts.c (c_common_handle_option): -Wall only sets
4741 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4742 (c_common_post_options): Give default values to -Wstrict-aliasing
4743 and -Wstrict-overflow if they are uninitialized.
4744 * common.opt (Wstrict-aliasing): Specify Var and Init.
4745 (Wstrict-overflow): Likewise.
4747 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4749 PR rtl-optimization/26854
4750 PR rtl-optimization/34400
4751 PR rtl-optimization/34884
4752 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4754 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4755 (df_rd_bb_info.expanded_lr_out): Deleted
4756 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4757 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
4758 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4759 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4760 Removed code to allocate, initialize or free expanded_lr_out.
4761 (df_rd_bb_local_compute_process_def): Restructured to make more
4763 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4764 sets if the sets are being trimmed.
4766 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
4769 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4770 (as_vers): Likewise.
4771 * configure: Regenerated.
4773 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4776 * tree-pass.h (pass_build_alias): New pass.
4777 * tree-ssa-alias.c (gate_build_alias): New.
4778 (pass_build_alias): New.
4779 * passes.c (init_optimization_passes): Add pass_build_alias after
4780 pass_create_structure_vars.
4782 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
4784 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4785 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4786 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4787 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4788 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4789 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4790 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4791 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4792 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4793 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4794 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4795 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4796 * config/s390/s390.md (FP_ALL): New mode iterator.
4797 (_d): New mode attribute.
4798 ("*signbit<mode>2>"): Changed mode of first operand.
4799 ("isinf<mode>2"): Changed mode of first operand.
4800 ("*TDC_insn"): Adaptation for DFP modes.
4802 2008-01-22 Ben Elliston <bje@au.ibm.com>
4804 * tree.c (check_qualified_type): Improve function description.
4806 2008-01-21 Jason Merrill <jason@redhat.com>
4809 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4810 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4813 2008-01-21 DJ Delorie <dj@redhat.com>
4815 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4818 2008-01-21 Richard Guenther <rguenther@suse.de>
4821 * tree-cfg.c (verify_expr): Allow all invariant expressions
4822 instead of just constant class ones as reference argument.
4823 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4824 like any other constant.
4825 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4827 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
4829 * regmove.c (fixup_match_1): Update call crossed frequencies.
4831 2008-01-21 Richard Guenther <rguenther@suse.de>
4834 * tree-inline.c (setup_one_parameter): Deal with mismatched
4835 types using a VIEW_CONVERT_EXPR.
4837 2008-01-21 Alon Dayan <alond@il.ibm.com>
4838 Olga Golovanevsky <olga@il.ibm.com>
4840 PR tree-optimization/34701
4841 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4842 when the structure size is not a power of 2.
4844 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
4846 * doc/install.texi: Add doc for --enable-checking=df.
4848 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
4850 PR rtl-optimization/34808
4851 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4853 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4855 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4858 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4860 PR rtl-optimization/26854
4861 PR rtl-optimization/34400
4862 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4864 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4865 (df_rd_bb_info.expanded_lr_out): New.
4866 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4867 * loop_iv.c (iv_analysis_loop_init): Ditto.
4868 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4869 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4870 Added code to allocate, initialize or free expanded_lr_out.
4871 (df_rd_bb_local_compute_process_def): Restructured to make
4872 more understandable.
4873 (df_rd_confluence_n): Add code to do nothing with fake edges and
4874 code to no apply invalidate_by_call sets if the sets are being trimmed.
4875 (df_lr_local_finalize): Renamed to df_lr_finalize.
4876 (df_live_local_finalize): Renamed to df_live_finalize.
4878 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4881 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4882 deciding whether to use reciprocal instructions.
4884 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
4886 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4887 dwarf2out_note_section_used if cold_text_section is NULL.
4889 2008-01-19 Jakub Jelinek <jakub@redhat.com>
4891 PR gcov-profile/34610
4892 * tree-cfg.c (make_edges): Mark both outgoing edges from
4893 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4894 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4895 from OMP_FOR and OMP_CONTINUE outgoing edges.
4897 * tree-profile.c (tree_profiling): Return early if
4898 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
4900 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4901 from cfun to child_cfun.
4902 * function.h (struct function): Add after_tree_profile bit.
4904 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4906 * config/avr/avr.S (_exit): Disable interrupt.
4908 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
4909 Steven Bosscher <stevenb.gcc@gmail.com>
4911 PR rtl-optimization/26854
4912 PR rtl-optimization/34400
4913 * df-problems.c (df_live_scratch): New scratch bitmap.
4914 (df_live_alloc): Allocate df_live_scratch when doing df_live.
4915 (df_live_reset): Clear the proper bitmaps.
4916 (df_live_bb_local_compute): Only process the artificial defs once
4917 since the order is not important.
4918 (df_live_init): Init the df_live sets only with the variables
4919 found live by df_lr.
4920 (df_live_transfer_function): Use the df_lr sets to prune the
4921 df_live sets as they are being computed.
4922 (df_live_free): Free df_live_scratch.
4924 2008-01-18 Ian Lance Taylor <iant@google.com>
4926 * common.opt: Add fmerge-debug-strings.
4927 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4928 flag_merge_debug_strings rather than flag_merge_constants.
4929 * doc/invoke.texi (Option Summary): Mention
4930 -fmerge-debug-strings.
4931 (Debugging Options): Document -fmerge-debug-strings.
4933 2008-01-18 Ian Lance Taylor <iant@google.com>
4936 * tree.h (DECL_IS_OPERATOR_NEW): Define.
4937 (struct tree_function_decl): Add new field operator_new_flag.
4938 * tree-inline.c (expand_call_inline): When inlining a call to
4939 operator new, force the return value to go into a variable, and
4940 set DECL_NO_TBAA_P on that variable.
4941 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4943 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
4946 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4947 DWARF2_DEBUGGING_INFO.
4948 (dwarf2out_note_section_used): Ditto. Add prototype.
4949 (have_multiple_function_sections, text_section_used,
4950 cold_text_section_used, *cold_text_sections): Move declarations
4953 2008-01-17 Bob Wilson <bob.wilson@acm.org>
4955 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4956 field and add signal_ra.
4957 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4958 assignments to frame state pc. Move end of stack check after
4959 MD_FALLBACK_FRAME_STATE_FOR.
4960 (uw_update_context_1): Use frame state signal_regs if set, instead
4961 of checking signal_frame flag.
4962 (uw_update_context): Use frame state signal_ra if set.
4963 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4964 * config/xtensa/linux-unwind.h: New file.
4966 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
4968 * modulo-sched.c (get_sched_window): Fix comment typo.
4970 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
4972 PR tree-optimization/34648
4973 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4975 2008-01-17 Anatoly Sokolov <aesok@post.ru>
4977 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4978 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4980 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
4982 PR rtl-optimization/34400
4983 * df-core.c (df_worklist_dataflow_overeager,
4984 df_worklist_dataflow_doublequeue): New functions.
4985 (df_worklist_dataflow): Two different worklist solvers.
4986 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4989 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4992 * doc/invoke.texi: Document the dependence on pthread for fopenmp
4993 and ftree-parallelize-loops.
4995 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
4997 PR rtl-optimization/34826
4998 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5000 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
5002 * global.c (find_reg): Mark the eh regs as used if necessary.
5003 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
5004 * ra.h (struct allocno): no_eh_reg field added. Changed
5005 no_stack_reg type to bitfield.
5007 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
5009 * tree.c (substitute_in_expr): Add missing 'break'.
5011 2008-01-17 Richard Guenther <rguenther@suse.de>
5013 PR tree-optimization/34825
5014 * tree-ssa-math-opts.c (is_division_by): Do not recognize
5015 x / x as division to handle.
5017 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5019 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
5020 "-pthread" is specified.
5021 * pa-hpux11.h (LIB_SPEC): Likewise.
5023 2008-01-16 Janis Johnson <janis187@us.ibm.com>
5024 Peter Bergner <bergner@vnet.ibm.com>
5026 PR rtl-optimization/33796
5027 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
5029 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5031 PR libgfortran/34699
5032 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5034 * pa-hpux10.h (LINK_SPEC): Likewise.
5035 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5037 2008-01-16 Richard Guenther <rguenther@suse.de>
5040 * fold-const.c (fold_convert_const_int_from_int): Do not
5041 set overflow if that occured only because of a sign extension
5042 change when converting from/to a sizetype with the same
5043 precision and signedness.
5045 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
5048 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
5049 location address to the correct place. Update copyright year.
5051 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5053 * lambda-code.c (lambda_transform_legal_p): Handle the case of
5054 no dependences in the dependence_relations vector.
5056 2008-01-16 Jan Hubicka <jh@suse.cz>
5058 PR rtl-optimization/31396
5059 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
5060 * cfg.c (dump_reg_info): Print it.
5061 * regs.h (struct reg_info_t): add freq_calls_crossed.
5062 (REG_FREQ_CALLS_CROSSED): New macro.
5063 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
5064 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
5065 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5066 regmove_optimize): Update call crossed frequencies.
5067 * local-alloc.c (struct qty): Add freq_calls_crossed.
5068 (alloc_qty): Copute freq_calls_crossed.
5069 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
5070 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
5071 * ra.h (struct allocno): Add freq_calls_crossed.
5073 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5075 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
5076 libgomp when compiling with ftree-parallelize-loops.
5077 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
5079 2008-01-16 Richard Guenther <rguenther@suse.de>
5081 PR tree-optimization/34769
5082 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
5083 * tree.c (int_cst_value): Instead make this function more
5084 permissive in what it accepts as valid input. Document this
5085 function always sign-extends the value.
5087 2008-01-16 Jakub Jelinek <jakub@redhat.com>
5088 Richard Guenther <rguenther@suse.de>
5091 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
5092 (gimple_fold_indirect_ref_rhs): ... this.
5093 (gimple_fold_indirect_ref): New function with foldings
5094 that preserve lvalueness.
5095 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
5096 * tree-flow.h (gimple_fold_indirect_ref): Declare.
5097 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
5098 to fold an INDIRECT_REF, fall back to the old use of
5099 fold_indirect_ref_1.
5101 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5103 * tree-data-ref.c (subscript_dependence_tester_1): Call
5104 free_conflict_function.
5105 (compute_self_dependence): Same.
5107 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
5110 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
5111 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
5113 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5114 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5115 for DWARF2_UNWIND_INFO targets.
5117 2008-01-16 Richard Guenther <rguenther@suse.de>
5120 * c-typeck.c (common_pointer_type): Do not merge inconsistent
5121 type qualifiers for function types.
5123 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
5125 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5126 loop_iterator li from previous commit.
5128 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
5130 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5132 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
5134 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5135 (parallelize_loops): Don't parallelize irreducible components.
5137 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5140 * c-opts (c_common_post_options): Do not enable CPP
5141 flag_pedantic_errors by default.
5143 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
5145 PR rtl-optimization/31944
5146 * cse.c (remove_pseudo_from_table): New function.
5147 (merge_equiv_classes): Use above function to remove pseudo-registers.
5148 (invalidate): Likewise.
5150 2008-01-13 Richard Guenther <rguenther@suse.de>
5153 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5154 instead of TYPE_MODE to deal with calls from expand_one_error_var.
5156 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
5158 * gcse.c (cprop_jump): Call validate_unshare_change instead of
5159 validate_change to unshare the source of the PC set.
5161 2008-01-12 Jan Hubicka <jh@suse.cz>
5164 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5165 references above array bounds. This might trigger bounds checks for
5168 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
5170 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5171 new_replaceable_dependencies.
5173 2008-01-12 Doug Kwan <dougkwan@google.com>
5175 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5176 instead of OPT_Wreturn_type in warning due to ignored return type
5178 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5179 options included in -Wextra.
5180 * c.opt: New option -Wignored_qualifiers.
5181 * doc/invoke.texi (Warning Options, -Wextra): Add new option
5182 -Wignore_qualifiers.
5183 (-Wignored-qualifiers): Document.
5184 (-Wreturn-type): Remove description of functionality now handled
5185 by -Wignored-qualifiers.
5187 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
5190 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5191 NOP_EXPR if it is between integral types with the same precision.
5193 2008-01-12 Jan Hubicka <jh@suse.cz>
5196 * invoke.texi (max-inline-recursive-depth): Fix default value.
5198 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
5200 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5203 2008-01-11 Bob Wilson <bob.wilson@acm.org>
5205 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5207 2008-01-11 James E. Wilson <wilson@specifix.com>
5210 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5212 2008-01-11 Anatoly Sokolov <aesok@post.ru>
5214 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
5215 save/restore frame pointer register and don't use 'call-prologues'
5216 optimization in function with "OS_task" attribute.
5218 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
5221 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5222 when copying to memory.
5224 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
5226 PR rtl-optimization/30905
5227 * cfgcleanup.c: Include dce.h
5228 (crossjumps_occured): New global variable.
5229 (try_crossjump_bb): Exit loop after finding a fallthru edge.
5230 If something changed, set crossjumps_occured to true.
5231 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5232 Don't add/remove fake edges to exit here...
5233 (cleanup_cfg): ...but do it here, when crossjumping.
5234 Run a fast DCE when successful crossjumps occured in the latest
5235 iteration of try_optimize_cfg.
5237 2008-01-11 Richard Guenther <rguenther@suse.de>
5239 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5240 (struct vn_unary_op_s): Likewise.
5241 (vn_reference_insert): Free old reference on hash collision.
5243 2008-01-10 Raksit Ashok <raksit@google.com>
5245 PR rtl-optimization/27971
5246 * combine.c (find_split_point): Split PLUS expressions which are
5247 inside a MEM rtx, and whose first operand is complex.
5249 2008-01-10 DJ Delorie <dj@redhat.com>
5251 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5252 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5253 (m32c_hard_regno_ok): Call the underlying function.
5255 2008-01-10 Richard Guenther <rguenther@suse.de>
5258 * tree-cfg.c (tree_merge_blocks): Do not go through the
5259 full-blown folding and stmt updating path if we just deal
5260 with virtual operands.
5261 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5262 test for abnormal SSA_NAMEs.
5264 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
5267 * reload.c (push_reload): Add assertions. All constants from
5268 reg_equiv_constant should have been used for replacing the respective
5270 (find_reloads_address): Invoke find_reloads_address_part for
5271 constant taken from the reg_equiv_constant array.
5273 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
5275 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5276 field (valnum) the first in the struct. Replace bools with
5279 2008-01-10 Richard Guenther <rguenther@suse.de>
5281 PR tree-optimization/34651
5282 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
5283 types and ordering for masking and converting.
5285 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
5287 PR tree-optimization/34017
5288 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5289 also for PHI_NODE expressions.
5291 2008-01-09 Jan Hubicka <jh@suse.cz>
5293 PR tree-optimization/34708
5294 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5295 based on number of case labels.
5296 (init_inline_once): Remove switch_cost.
5297 * tree-inline.h (eni_weights_d): Remove switch_cost.
5299 2008-01-09 Richard Guenther <rguenther@suse.de>
5300 Andrew Pinski <andrew_pinski@playstation.sony.com>
5303 * gimplify.c (gimplify_cond_expr): Do not create an addressable
5304 temporary if an rvalue is ok or an lvalue is not required.
5306 2008-01-09 Richard Guenther <rguenther@suse.de>
5309 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5312 2008-01-09 Richard Guenther <rguenther@suse.de>
5315 * tree.c (host_integerp): Check for sizetype only if the
5316 type is an integer type.
5318 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
5321 * opts.c (decode_options): Disable inlining of functions called
5322 once if not in unit-at-a-time mode.
5324 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
5326 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5328 2008-01-08 Richard Guenther <rguenther@suse.de>
5331 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5332 out early if the result will be unused.
5334 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
5339 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5340 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5343 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
5345 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5346 for vectorization tuned.
5348 2008-01-08 Richard Guenther <rguenther@suse.de>
5350 PR tree-optimization/34683
5351 * tree-ssa-operands.c (operand_build_cmp): Export.
5352 * tree-ssa-operands.h (operand_build_cmp): Declare.
5353 * tree-vn.c (vuses_compare): Remove.
5354 (sort_vuses): Use operand_build_cmp.
5355 (sort_vuses_heap): Likewise.
5356 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5357 to re-use old VEC if available. Do not sort already sorted VUSEs.
5358 (vdefs_to_vec): Do not sort already sorted VDEFs.
5360 2008-01-08 Jakub Jelinek <jakub@redhat.com>
5363 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5365 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
5368 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5369 limitations of reciprocal sequences on x86 targets.
5371 2008-01-08 Richard Guenther <rguenther@suse.de>
5373 PR tree-optimization/34683
5374 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5376 2008-01-07 Jakub Jelinek <jakub@redhat.com>
5379 * config/darwin.c (darwin_mergeable_string_section): Don't use
5380 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5382 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
5385 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5386 negxf2. Macroize expander using X87MODEF mode iterator. Change
5387 predicates of op0 and op1 to register_operand.
5388 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
5389 expander using X87MODEF mode iterator. Change predicates of
5390 op0 and op1 to register_operand.
5391 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5392 corresponding patterns and macroize using MODEF macro. Change
5393 predicates of op0 and op1 to register_operand and remove
5394 "m" constraint. Disparage "r" alternative with "!".
5395 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5396 macroize using X87MODEF macro. Change predicates of op0 and op1
5397 to register_operand and remove "m" constraint. Disparage "r"
5398 alternative with "!".
5399 (absneg splitter with memory operands): Remove.
5400 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5401 patterns and macroize using X87MODEF mode iterator.
5402 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5403 Change predicate of op1 to register_operand.
5404 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5405 for memory operands.
5407 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
5409 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5411 2008-01-07 Richard Guenther <rguenther@suse.de>
5413 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5416 2008-01-07 Richard Guenther <rguenther@suse.de>
5418 PR tree-optimization/34683
5419 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5420 VOPs of the needed size to save memory. Use VEC_quick_push
5421 to save compile-time.
5422 (vdefs_to_vec): Likewise.
5424 2008-01-07 Sa Liu <saliu@de.ibm.com>
5426 * config/spu/spu.md (divdf3): Genetate inline code for double
5427 division. The implementation doesn't handle INF or NAN, therefore it
5428 only applies when -ffinite-math-only is given.
5430 2008-01-06 Paolo Carlini <pcarlini@suse.de>
5433 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5434 * doc/cpp.texi ([Common Predefined Macros]): Document.
5436 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
5438 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5439 order to use commutative addition instead of subtraction.
5441 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5442 Mircea Namolaru <namolaru@il.ibm.com>
5443 Vladimir Yanovsky <yanov@il.ibm.com>
5444 Revital Eres <eres@il.ibm.com>
5446 PR tree-optimization/34263
5447 * tree-outof-ssa.c (process_single_block_loop_latch,
5448 contains_tree_r): New functions.
5449 (analyze_edges_for_bb): Call process_single_block_loop_latch
5450 function to empty single-basic-block latch block if possible.
5452 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5454 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5456 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5458 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
5460 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5462 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
5464 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5466 2008-01-05 Jakub Jelinek <jakub@redhat.com>
5468 PR tree-optimization/34618
5469 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5472 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5475 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5476 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
5477 Update copyright year.
5479 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5480 Update copyright year.
5481 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5484 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
5486 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5487 edge does not point to current bb before changing need_assert.
5489 2008-01-04 Richard Guenther <rguenther@suse.de>
5492 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5493 for verifying purposes if they are is_gimple_min_invariant.
5495 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
5497 PR tree-optimization/34448
5498 PR tree-optimization/34465
5499 * gimplify.c (gimplify_init_constructor): Add new parameter
5500 notify_temp_creation. Use it.
5501 (gimplify_modify_expr_rhs): Take volatiles into account when
5502 optimizing constructors.
5503 Do not optimize constructors if gimplify_init_constructor will dump to
5505 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5506 * gcc.c-torture/compile/pr34448.c: New.
5508 2008-01-04 Jakub Jelinek <jakub@redhat.com>
5510 PR gcov-profile/34609
5511 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5512 return_slot if result is TREE_ADDRESSABLE.
5514 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
5516 * config/mips/mips.md (sqrt_condition): Tweak comment.
5517 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
5519 2008-01-03 Tom Tromey <tromey@redhat.com>
5522 * c-common.c (c_type_hash): Handle VLAs.
5524 2008-01-03 Jan Hubicka <jh@suse.cz>
5526 PR tree-optimization/31081
5527 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5528 0 when inlining and not inlining to first basic block.
5529 (remap_decl): When var is initialized to 0, don't set default_def.
5530 (expand_call_inline): Set entry_bb.
5531 * tree-inline.h (copy_body_data): Add entry_bb.
5533 2008-01-03 Jakub Jelinek <jakub@redhat.com>
5536 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5539 PR tree-optimization/29484
5540 * tree-inline.c (inline_forbidden_p_2): New function.
5541 (inline_forbidden_p): Disallow inlining if some static var
5542 has an address of a local LABEL_DECL in its initializer.
5543 * doc/extend.texi (Labels as Values): Document &&foo behaviour
5546 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
5548 PR tree-optimization/34635
5549 * tree-data-ref.c (add_other_self_distances): Make sure that the
5550 evolution step is constant.
5552 2008-01-03 Jakub Jelinek <jakub@redhat.com>
5555 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5557 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
5559 * tree-sra.c (scalarize_init): Insert the generate_element_init
5560 statements after the generate_element_zero statements.
5562 2008-01-02 Richard Guenther <rguenther@suse.de>
5566 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5567 for very large number of operands instead of ICEing.
5569 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
5572 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5573 while stack probing.
5575 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
5577 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5580 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
5583 * tree-mudflap.c (mx_register_decls): Guard warning by
5584 !DECL_ARTIFICIAL check.
5586 2008-01-01 Jakub Jelinek <jakub@redhat.com>
5588 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5589 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5590 sse5_perm<mode>): Fix constraints.