1 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
3 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
4 * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
5 offsets for 64-bit mingw.
6 * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
7 abi for x86_64-pc-mingw.
9 2008-04-02 Richard Guenther <rguenther@suse.de>
11 * tree-vrp.c (extract_range_from_assert): Make sure to not
12 produce range min/max with TREE_OVERFOW set.
13 If merging a anti-range and a range keep the anti-range if
14 the range covers all values of the type.
15 (register_edge_assert_for_2): Only allow sign-changing
16 conversions in detecting canonical range checks. Also
17 register an assert for the unsigned name if useful.
19 PR tree-optimization/35787
20 * tree-vrp.c (vrp_val_max): New function.
21 (vrp_val_min): Likewise.
22 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
23 (vrp_val_is_min): Likewise.
24 (supports_overflow_infinity): Use vrp_val_{min,max}.
25 (negative_overflow_infinity): Likewise.
26 (positive_overflow_infinity): Likewise.
27 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
28 (is_positive_overflow_infinity): Likewise.
29 (is_overflow_infinity): Likewise.
30 (avoid_overflow_infinity): Use vrp_val_{min,max} and
32 (set_and_canonicalize_value_range): Canonicalize anti-ranges
33 to ranges if possible. Avoid empty ranges.
35 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
38 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
39 the expression is a function address.
41 2008-04-01 George Helffrich <george@gcc.gnu.org>
43 PR fortran/PR35154, fortran/PR23057
44 * fortran/trans-common.c (create_common): Add decl to function
45 chain to preserve identifier scope in debug output.
47 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
48 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
49 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
50 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
52 (dbxout_syms): Check for COMMON-based symbol and wrap in
53 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
54 in bracket for efficiency.
56 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
57 using DW_TAG_common_block + member offset.
58 (add_pubname_string): New function.
59 (dw_expand_expr): New function to find block name and offset for
61 (common_check): New function to check whether symbol in Fortran COMMON.
62 (gen_variable_die): If COMMON, use DW_TAG_common_block.
64 * testsuite/gcc.dg/debug/pr35154.c: New test to check that non-Fortran
65 use of common is unchanged.
67 * testsuite/lib/gfortran-dg.exp: New harness to compile Fortran progs
68 with all combinations of debug options available on target.
69 * testsuite/gfortran.dg/debug/debug.exp: Ditto.
70 * testsuite/gfortran.dg/debug/trivial.f: Ditto.
71 * testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
73 * testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
76 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
79 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
81 2008-04-02 Ben Elliston <bje@au.ibm.com>
83 * config/v850/v850.md (casesi): Remove if (0) code.
84 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
85 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
87 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
89 * config/i386/i386.md (rex64suffix): New mode attribute.
90 (floathi<mode>2): Disable expander for SSE math.
91 (*floathi<mode>2_1): New insn insn_and_split pattern.
92 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
93 corresponding post-reload splitters.
94 (*floathi<mode>2_i387): New macroized insn pattern.
95 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
96 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
97 insn_and_split pattern.
98 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
99 New macroized instruction patterns and corresponding post-reload
101 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
102 and corresponding post-reload splitters.
103 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
104 New macroized instruction patterns.
105 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
106 macroized instruction patterns and corresponding post-reload splitters.
107 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
108 corresponding post-reload splitters.
109 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
110 New macroized instruction patterns.
111 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
112 corresponding post-reload splitters.
113 (*floatsi<mode>2_i387): New macroized instruction patterns.
115 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
117 * config/i386/i386.md (smaxmin): New.
119 (maxminiprefix): Likewise.
120 (maxminfprefix): Likewise.
121 (<code><mode>3): Likewise.
122 (smin<mode>3): Removed.
123 (smax<mode>3): Likewise.
125 * config/i386/mmx.md (mmx_<code>v2sf3): New.
126 (mmx_<code>v4hi3): Likewise.
127 (mmx_<code>v8qi3): Likewise.
128 (mmx_smaxv2sf3): Removed.
129 (mmx_sminv2sf3): Likewise.
130 (mmx_umaxv8qi3): Likewise.
131 (mmx_smaxv4hi3): Likewise.
132 (mmx_uminv8qi3): Likewise.
133 (mmx_sminv4hi3): Likewise.
135 * config/i386/sse.md (<addsub><mode>3): New.
136 (*<addsub><mode>3): Likewise.
137 (<sse>_vm<addsub><mode>3): Likewise.
138 (<maxmin><mode>3): Likewise.
139 (*<maxmin><mode>3_finite): Likewise.
140 (*<maxmin><mode>3): Likewise.
141 (<sse>_vm<maxmin><mode>3): Likewise.
142 (sse3_h<addsub>v4sf3): Likewise.
143 (sse3_h<addsub>v2df3): Likewise.
144 (<maxmin>v16qi3): Likewise.
145 (*<maxmin>v16qi3): Likewise.
146 (<maxmin>v8hi3): Likewise.
147 (*<maxmin>v8hi3): Likewise.
148 (*sse4_1_<maxmin><mode>3): Likewise.
149 (*sse4_1_<maxmin><mode>3): Likewise.
150 (add<mode>3): Removed.
151 (*add<mode>3): Likewise.
152 (<sse>_vmadd<mode>3): Likewise.
153 (sub<mode>3): Likewise.
154 (*sub<mode>3): Likewise.
155 (<sse>_vmsub<mode>3): Likewise.
156 (smin<mode>3): Likewise.
157 (*smin<mode>3_finite): Likewise.
158 (*smin<mode>3): Likewise.
159 (<sse>_vmsmin<mode>3): Likewise.
160 (smax<mode>3): Likewise.
161 (*smax<mode>3_finite): Likewise.
162 (*smax<mode>3): Likewise.
163 (<sse>_vmsmax<mode>3): Likewise.
164 (sse3_haddv4sf3): Likewise.
165 (sse3_haddv2df3): Likewise.
166 (sse3_hsubv4sf3): Likewise.
167 (sse3_hsubv2df3): Likewise.
168 (umaxv16qi3): Likewise.
169 (*umaxv16qi3): Likewise.
170 (smaxv8hi3): Likewise.
171 (*smaxv8hi3): Likewise.
172 (*sse4_1_smax<mode>3): Likewise.
173 (*sse4_1_umax<mode>3): Likewise.
174 (uminv16qi3): Likewise.
175 (*uminv16qi3): Likewise.
176 (sminv8hi3): Likewise.
177 (*sminv8hi3): Likewise.
178 (*sse4_1_smin<mode>3): Likewise.
179 (*sse4_1_umin<mode>3): Likewise.
181 2008-04-01 Rafael Espindola <espindola@google.com>
183 * tree-cfg.c (verify_expr): remove in_phi.
184 (verify_stmt): Don't call walk_tree with verify_expr. Use
185 is_gimple_min_invariant instead of is_gimple_val.
187 2008-04-01 Joseph Myers <joseph@codesourcery.com>
189 * doc/include/gpl_v3.texi: Update for manpage generation.
190 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
192 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
193 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
194 gpl_v3.texi instead of gpl.texi.
197 2008-04-01 Jakub Jelinek <jakub@redhat.com>
200 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
202 2008-04-01 Rafael Espindola <espindola@google.com>
204 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
205 (extract_code_and_val_from_cond): Use
206 extract_code_and_val_from_cond_with_ops.
208 2008-04-01 Jan Hubicka <jh@suse.cz>
210 * function.c (free_after_compilation): Free epilogue_delay_list.
211 (prepare_function_start): Assert that previous compilation was freed.
213 2008-04-01 Jan Hubicka <jh@suse.cz>
214 Jim Wilson <wilson@tuliptree.org>
215 Andreas Tobler <andreast@gcc.gnu.org>
218 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
219 rtl.emit instead cfun->emit.
220 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
221 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
223 2008-04-01 Ben Elliston <bje@au.ibm.com>
225 * doc/c-tree.texi (Function Basics): Fix grammatical error.
227 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
229 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
231 (fprofile-use): Add var flag_profile_use
232 * coverage.c (coverage_begin_output): Do not open a gcno file for
233 output only if -ftest-coverage is set.
234 Do not add getpwd() to gcda file path.
235 (build_gcov_info): Check the new flag
236 flag_profile_datafile_relative_path.
237 (coverage_init): Use profile_data_prefix.
238 Read profile counter only if flag_profile_use is set.
239 * opts.c (common_handle_option): New option fprofile-use=,
240 fprofile-dir=, fprofile-generate=.
241 * toplev.c (profile_data_prefix): New variable definition.
242 * toplev.h (profile_data_prefix): New declaration.
243 * doc/invoke.tex (Option Summary, Optimization Options):
246 2008-03-31 James E. Wilson <wilson@tuliptree.org>
248 * varasm.c (output_constant_pool_1): In LABEL_REF check,
249 use tmp consistently.
252 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
253 * config/ia64/ia64.c (rtx_needs_barrier): Handle
254 UNSPEC_FR_RECIP_APPROX_RES.
255 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
257 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
260 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
262 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
265 * fold-const.c (fold_indirect_ref_1): Support accessing non first
266 element of the vector via a pointer.
268 2008-03-31 Ian Lance Taylor <iant@google.com>
270 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
272 2008-03-31 Jan Hubicka <jh@suse.cz>
274 * builtins.c (expand_builtin_setjmp_receiver): Update call of
275 get_arg_pointer_save_area.
276 * expr.c (init_expr): Just clear out rtl.expr.
277 * function.c (free_after_compilation): Clear out whole RTL structure.
278 (get_func_frame_size): Merge into ...
279 (get_frame_size): ... this one.
280 (assign_stack_local_1): Merge into ...
281 (assign_stack_local): ... this one.
282 (expand_function_end): Update call of get_arg_pointer_save_area.
283 (get_art_pointer_save_area): Remove cfun argument.
284 * function.h (emit_status): regno_pointer_align does not need length
285 attribute. Move x_regno_reg_rtx to ...
286 (regno_reg_rtx): ... new global array.
287 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
288 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
289 apply_args_value, forced_labels, stack_pointer_delta):
291 (struct varasm_status): Move here from varasm.c
292 (struct rtl_data): New. Move here some fields from struct function.
293 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
294 frame_offset, stack_check_probe_note, arg_pointer_save_area,
295 used_temp_slots avail_temp_slots, temp_slot_level,
296 nonlocal_goto_handler_labels): Update accesstors.
297 (rtl): New global variable.
298 (struct function): Move some fileds to rtl_data.
299 (get_arg_pointer_save_area): Update prototype.
300 * emit-rtl.c (rtl): Declare.
301 (regno_reg_rtx): Declare.
302 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
304 (gen_reg_rtx): Update.
305 (init_virtual_regs): Do not tate emit_status argument.
306 (init_emit): Do not allocate emit.
307 * varasm.c (varasm_statuc): Move to function.h.
308 (n_deferred_constatns): Update accestor.
309 (init_varasm_status): Do not allocate varasm_status.
310 (force_const_mem, get_pool_size, output_constant_pool): Update.
311 * stmt.c (force_label_rtx): Do not use x_ prefixes.
312 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
314 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
316 PR rtl-optimization/35729
317 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
320 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
323 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
324 load/store if memory is unaligned.
325 (*movti_rex64): Likewise.
327 * config/i386/predicates.md (misaligned_operand): New.
329 2008-03-31 Andrew Pinski <pinskia@gmail.com>
332 * tree-ssa-phiopt.c (conditional_replacement): Return early for
335 2008-03-31 Jan Beulich <jbeulich@novell.com>
337 * config/ia64/constraints.md: Add 'j' constraint.
338 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
339 (movdi_internal): Likewise.
341 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
344 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
346 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
349 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
350 proper error message for the third argument on blendpd and
353 * config/i386/sse.md (blendbits): New.
354 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
356 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
358 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
360 2008-03-30 Richard Guenther <rguenther@suse.de>
363 * fold-const.c (fold_sign_changed_comparison): Do leave
364 conversions to base-types alone.
366 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
368 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
369 the link register if one altivec register is be saved.
371 2008-03-30 Ben Elliston <bje@au.ibm.com>
373 * final.c (final_scan_insn): Remove if (0) code.
375 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
377 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
379 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
381 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
382 of V4SFmode to ix86_binary_operator_ok.
384 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
386 * config/i386/i386.c (override_options): Initialize
387 ix86_veclib_handler to ix86_veclibabi_svml when
388 -mveclibabi=svml is used.
389 (ix86_veclibabi_svml): New function for SVML ABI style
390 vectorization support.
391 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
393 2008-03-28 Rafael Espindola <espindola@google.com>
395 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
396 (tree_binary_nonnegative_warnv_p): Make it public.
397 (tree_single_nonnegative_warnv_p): Make it public.
398 (tree_invalid_nonnegative_warnv_p): Make it public.
399 (tree_unary_nonzero_warnv_p): Make it public.
400 (tree_binary_nonzero_warnv_p): Make it public
401 (tree_single_nonzero_warnv_p): Make it public.
402 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
403 (extract_range_from_binary_expr): Split the expr argument.
404 (extract_range_from_unary_expr): Split the expr argument.
405 (extract_range_from_comparison): Split the expr argument.
406 (extract_range_from_expr): Use the new aux functions.
407 (vrp_evaluate_conditional_warnv): Use
408 vrp_evaluate_conditional_warnv_with_ops.
409 * tree.h (tree_unary_nonzero_warnv_p): Declare.
410 (tree_binary_nonzero_warnv_p): Declare.
411 (tree_single_nonzero_warnv_p): Declare.
412 (tree_expr_nonzero_warnv_p): Declare.
413 (tree_unary_nonnegative_warnv_p): Declare.
414 (tree_binary_nonnegative_warnv_p): Declare.
415 (tree_single_nonnegative_warnv_p): Declare.
416 (tree_invalid_nonnegative_warnv_p): Declare.
418 2008-03-28 Richard Guenther <rguenther@suse.de>
420 PR tree-optimization/30317
421 PR tree-optimization/30911
422 PR tree-optimization/34793
423 * tree-vrp.c (set_and_canonicalize_value_range): New function.
424 (struct assert_locus_d): New member EXPR.
425 (register_new_assert_for): Add EXPR parameter to support
426 ASSERT_EXPR <name, expr OP limit>.
427 (register_edge_assert_for_1): Adjust callers.
428 (find_assert_locations): Likewise.
429 (process_assert_insertions_for): Build condition from expression.
430 (extract_range_from_assert): Handle ASSERT_EXPRs
431 of the form ASSERT_EXPR <name, expr OP limit>.
432 (register_edge_assert_for_2): New helper registering
433 asserts for comparisons. Recognize range tests of the form
434 (unsigned)i - CST1 OP CST2.
435 (register_edge_assert_for_1): Use it.
436 (register_edge_assert_for): Likewise.
437 (needs_overflow_infinity): Integer sub-types
438 do not need overflow infinities.
439 (vrp_val_is_max): The extreme values of integer sub-types
440 are those of the base type.
441 (vrp_val_is_min): Likewise.
442 * tree.def (ASSERT_EXPR): Document extra allowed conditional
445 2008-03-28 Nick Clifton <nickc@redhat.com>
447 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
448 Return GENERAL_REGS for stack adjustment reloads.
450 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
453 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
454 const_vector when all the vectors are constant.
456 2008-03-27 Bob Wilson <bob.wilson@acm.org>
458 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
460 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
461 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
463 (s<code>_sf): Use new scc_sf attribute for opcode names.
465 2008-03-27 Tom Tromey <tromey@redhat.com>
467 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
468 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
469 config/spu/t-spu-elf, config/i386/t-interix,
470 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
471 config/i386/x-darwin, config/i386/x-mingw32,
472 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
473 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
474 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
475 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
476 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
477 config/rs6000/x-darwin, config/rs6000/t-rs6000,
478 config/score/t-score-elf, config/arm/t-strongarm-pe,
479 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
480 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
481 Revert automatic dependency patch.
483 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
486 * config/i386/i386.c (ix86_function_arg_boundary): Align
487 decimal floating point to its natural boundary.
489 2008-03-27 Richard Guenther <rguenther@suse.de>
492 * fold-const.c (fold_comparison): Restrict distinct decl
493 comparison folding to VAR_DECLs and PARM_DECLs. Do not
494 solely rely on operand_equal_p.
496 2008-03-27 Richard Guenther <rguenther@suse.de>
499 * c-common.c (handle_weak_attribute): Reject combination of
502 2008-03-27 Richard Guenther <rguenther@suse.de>
504 PR tree-optimization/32810
505 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
506 conversions from DECL_INITIAL.
507 (fold_const_aggregate_ref): Likewise from constructor elements.
509 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
511 * tree-affine.h (aff_combination_expand): Declare.
512 (get_inner_reference_aff): Likewise.
513 * tree-affine.c (aff_combination_expand): Split out from
514 tree_to_aff_combination_expand.
515 (get_inner_reference_aff): New function.
516 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
517 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
518 (struct lim_aux_data): sm_done field removed.
519 (mem_ref_loc_p, mem_ref_locs_p): New types.
520 (struct mem_ref): Added id, stored, accesses_in_loop,
521 indep_loop, dep_loop, indep_ref, dep_ref fields.
522 Removed is_stored, locs and next fields.
523 (memory_accesses): New variable.
524 (movement_possibility): Do not allow moving statements
525 that store to memory.
526 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
528 (determine_max_movement): For statements with memory references,
529 find the outermost loop in that the reference is independent.
530 (move_computations_stmt): Mark the virtual operands for renaming.
531 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
532 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
533 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
534 add_vop_ref_mapping, create_vop_ref_mapping_loop,
535 create_vop_ref_mapping, analyze_memory_references,
536 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
537 get_all_locs_in_loop, ref_always_accessed_p,
538 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
539 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
540 store_motion_loop, store_motion): New functions.
541 (struct vop_to_refs_elt): New type.
542 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
543 memref_hash, memref_eq, hoist_memory_references): Rewritten.
544 (schedule_sm): Replaced by...
545 (execute_sm): ... this.
546 (determine_lsm_ref, hoist_memory_references,
547 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
548 find_more_ref_vops, free_mem_ref, free_mem_refs,
549 determine_lsm_loop, determine_lsm): Removed.
550 (tree_ssa_lim_finalize): Free data structures used by store motion.
551 (tree_ssa_lim): Call analyze_memory_references. Use
552 store_motion instead of determine_lsm.
554 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
556 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
557 rename tmake_file to m68hc11/t-m68hc11.
558 (mcore): Set inhibit_libc to true.
559 * config.host (alpha*-dec-*vms*): Set extra_programs.
560 (interix3*): Don't use host_xmake_file.
561 * configure.ac: Let config.gcc override inhibit_libc.
562 * configure: Regenerate.
564 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
565 * config/t-openbsd-thread: Remove commented out lines.
567 * config/x-interix: Remove.
569 * config/m68hc11/t-m68hc11-gas: Rename to...
570 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
572 * config/mcore/t-mcore: Remove T_CFLAGS.
573 * config/mcore/t-mcore-pe: Likewise.
575 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
577 * configure.ac: Replace custom __GNU_SOURCE test with
578 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
579 * aclocal.m4: Regenerate.
580 * configure: Regenerate.
581 * config.in: Regenerate.
583 2008-03-27 Richard Guenther <rguenther@suse.de>
585 * fold-const.c (target.h): Include.
586 (fold_comparison): Fold comparison of addresses of decls
587 that bind locally or of constants. Consolidate address folding code.
588 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
589 results from fold_binary_to_constant.
590 (compare_values_warnv): Likewise.
592 2008-03-27 Andrew Pinski <pinskia@gmail.com>
595 * fold-const.c (fold_truthop): Check for integeral types when folding
596 a == 0 && b == 0 and a != 0 || b != 0 .
598 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
600 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
602 2008-03-26 Andreas Schwab <schwab@suse.de>
604 * doc/invoke.texi: Fix use of @item vs. @itemx.
606 2008-03-26 Tom Tromey <tromey@redhat.com>
608 * Makefile.in (build/gensupport.o, build/print-rtl.o,
609 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
610 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
611 build/gencodes.o, build/genconditions.o, build/genconfig.o,
612 build/genconstants.o, build/genemit.o, build/genextract.o,
613 build/genflags.o, build/genmddeps.o, build/genopinit.o,
614 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
617 2008-03-26 Richard Guenther <rguenther@suse.de>
620 2008-03-26 Richard Guenther <rguenther@suse.de>
622 * fold-const.c (target.h): Include.
623 (fold_comparison): Fold comparison of addresses of two decls
624 that bind locally. Consolidate address folding code.
626 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
628 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
629 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
630 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
631 dconstsqrt2, dconstthird, dconste and/or dconst10.
632 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
633 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
634 dconstsqrt2, dconste): Delete.
635 (init_emit_once): Likewise. Simplify initializing dconstm1.
637 * real.c (get_real_const): New.
638 * real.h (dconst3, dconst10, dconstm2, dconstthird,
639 dconstsqrt2, dconste): Delete.
640 (real_value_const, get_real_const): New.
642 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
644 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
646 * config/i386/i386.c (ix86_function_arg_boundary): Check
647 BIGGEST_ALIGNMENT instead of 128.
648 (setup_incoming_varargs_64): Likewise.
650 2008-03-26 Tom Tromey <tromey@redhat.com>
652 * Makefile.in (DEPFILES): Add missing '/'.
654 2008-03-26 Richard Guenther <rguenther@suse.de>
656 * fold-const.c (target.h): Include.
657 (fold_comparison): Fold comparison of addresses of two decls
658 that bind locally. Consolidate address folding code.
660 2008-03-26 Nick Clifton <nickc@redhat.com>
663 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
664 not allow INT+INT as a legitimate addressing mode.
666 2008-03-26 Richard Guenther <rguenther@suse.de>
668 * tree-flow.h (widen_bitfield): Remove declaration.
669 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
670 (widen_bitfield): Remove function.
671 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
674 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
677 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
680 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
682 PR rtl-optimization/35232
683 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
684 (forget_old_reloads_1, forget_marked_reloads): Don't clear
685 reg_reloaded_call_part_clobbered here.
686 (reload_regs_reach_end_p): New function.
687 (reload_reg_rtx_for_input): New variable.
688 (reload_reg_rtx_for_output): Likewise.
689 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
690 when reassigning a pseudo register. Load reloadreg from
691 reload_reg_rtx_for_input, moving the mode and register
693 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
694 instead of the original when deciding whether an input reload
695 would be a no-op or whether an output reload can be deleted.
696 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
697 when setting up new_spill_reg_store. Load it from
698 reload_reg_rtx_for_output, moving the mode and register
700 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
701 instead of the original when deciding whether an output reload
702 would be a no-op. Do the same when modifying insn notes.
703 Use rtx_equal_p instead of == to compare the registers.
704 (inherit_piecemeal_p): Take a mode and two register numbers
706 (emit_reload_insns): Clear new_spill_reg_store for every hard
707 register in the reload register. Remove spill registers
708 from reg_reloaded_valid before considering whether to record
709 inheritance information for them. Use reload_reg_rtx_for_output
710 instead of reg_rtx when recording output reloads. Use
711 reload_reg_rtx_for_input instead of reg_rtx when recording
712 input reloads. Set or clear reg_reloaded_call_part_clobbered
713 at the same time as setting reg_reloaded_valid.
714 (delete_output_reload): Add a new_reload_reg parameter and use it
715 instead of rld[j].reg_rtx.
716 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
719 2008-03-25 Tom Tromey <tromey@redhat.com>
721 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
722 (build/genattr.o): Likewise.
723 (build/genattrtab.o): Likewise.
724 (build/gencodes.o): Likewise.
725 (build/genconfig.o): Likewise.
726 (build/genconstants.o): Likewise.
727 (build/genemit.o): Likewise.
728 (build/genextract.o): Likewise.
729 (build/genflags.o): Likewise.
731 2008-03-25 Bob Wilson <bob.wilson@acm.org>
733 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
734 instead of size_int for integer types.
735 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
736 to match type of MINUS_EXPR.
738 2008-03-25 Tom Tromey <tromey@redhat.com>
740 * configure: Rebuilt.
741 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
744 2008-03-25 Tom Tromey <tromey@redhat.com>
746 * config/x-solaris (host-solaris.o): Update.
747 * config/x-linux (host-linux.o): Update.
748 * config/x-hpux (host-hpux.o): Update.
749 * config/x-darwin (host-darwin.o): Update.
750 * config/v850/t-v850e (v850-c.o): Update.
751 * config/v850/t-v850 (v850-c.o): Update.
752 * config/t-vxworks (vxworks.o): Update.
753 * config/t-sol2 (sol2-c.o, sol2.o): Update.
754 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
755 * config/spu/t-spu-elf (spu-c.o): Update.
757 * config/sh/t-symbian (sh-c.o): Update.
759 * config/sh/t-sh (sh-c.o): Update.
760 * config/score/t-score-elf (score7.o, score3.o): Update.
761 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
762 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
763 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
764 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
766 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
767 * config/m32c/t-m32c (m32c-pragma.o): Update.
768 * config/ia64/t-ia64 (ia64-c.o): Update.
769 * config/i386/x-mingw32 (host-mingw32.o): Update.
770 * config/i386/x-i386 (driver-i386.o): Update.
771 * config/i386/x-darwin (host-i386-darwin.o): Update.
772 * config/i386/x-cygwin (host-cygwin.o): Update.
773 * config/i386/t-nwld (nwld.o): Update.
774 * config/i386/t-netware (netware.o): Update.
775 * config/i386/t-interix (winnt.o): Update.
776 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
777 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
778 msformat-c.o): Update.
779 * config/bfin/t-bfin-linux (generated_files): Add
780 linux-sysroot-suffix.h.
781 * config/arm/t-wince-pe (pe.o): Update.
782 * config/arm/t-strongarm-pe (pe.o): Update.
783 * config/arm/t-pe (pe.o): Update.
784 * config/arm/t-arm (arm-c.o): Update.
785 * doc/install.texi (Prerequisites): Require make 3.80.
786 * Makefile.in: Remove .o targets.
787 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
788 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
789 (simple_generated_h, simple_generated_c): Move earlier.
790 (generated_files): New variable.
791 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
792 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
793 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
794 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
795 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
796 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
797 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
798 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
799 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
800 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
801 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
802 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
804 (COMPILE.base, COMPILE): New variables.
805 (%.o): New pattern rule.
806 (ALL_HOST_OBJS): New variable.
807 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
808 (dummy-checksum.o, cc1-checksum.o): Remove.
809 (DRIVER_SHLIB): New variable.
810 (DRIVER_DEFINES): Use it.
811 (gencondmd.c): Move out of build/.
812 (s-conditions): Update.
813 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
814 (ALL_BUILD_OBJS): Likewise.
815 (build/%.o): Use BUILDCOMPILE.
816 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
817 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
818 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
819 build/gencheck.o, build/gencodes.o, build/genconditions.o,
820 build/genconfig.o, build/genconstants.o, build/genemit.o,
821 build/genextract.o, build/genflags.o, build/genmddeps.o,
822 build/genopinit.o, build/genoutput.o, build/genpeep.o,
823 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
824 build/gen-protos.o, build/scan.o, build/fix-header.o,
825 build/scan-decls.o): Simplify.
826 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
827 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
828 prefix.o, toplev.o): Reduce to variable setting.
829 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
830 ($(out_object_file), gcc-options.o): New targets.
831 ($(ALL_HOST_OBJS)): New target. Include dependency files.
832 * configure: Rebuilt.
833 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
834 * doc/sourcebuild.texi (Front End Directory): Document new variable.
836 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
838 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
839 complain when we hit an error, return ERROR_MARK_NODE.
841 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
843 * config/sh/constraints.md (Pso, Psz): New constraints.
844 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
845 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
847 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
849 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
850 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
852 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
854 * config/sh/sh.md (prefetch): Add condition for SH2A target.
855 (prefetch_sh2a): New.
857 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
858 Naveen.H.S <naveen.hs@kpitcummins.com>
860 * config/sh/constraints.md (I28): New constraint.
861 * config/sh/sh.c (broken_move): Add support for movi20s.
862 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
864 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
865 Jayant Sonar <Jayant.sonar@kpitcummins.com>
866 Naveen.H.S <naveen.hs@kpitcummins.com>
868 * config/sh/sh.c (SH_ATTRIBUTES): Define.
869 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
870 (print_operand): Handle resbank in %@ operand code.
871 (sh_encode_section_info): New.
872 (push_regs): Add conditions for resbank.
873 (sh_expand_epilogue): Likewise.
874 (sh_insert_attributes): Likewise.
875 (sh_attribute_table): Likewise.
876 (sh_handle_resbank_handler_attribute): New.
877 (sh2a_handle_function_vector_handler_attribute): New.
878 (sh2a_is_function_vector_call): New.
879 (sh2a_get_function_vector_number): New.
880 (sh2a_function_vector_p): New.
881 (sh_cfun_resbank_handler_p): New.
882 * config/sh/sh.md (calli): Emit jsr/n if possible.
883 (calli_tbr_rel): New.
884 (calli_pcrel): Emit jsr/n if possible.
885 (return_i): Emit rts/n if possible.
886 (call_valuei_tbr_rel): New.
887 (call_valuei_pcrel): Add condition for SH2A target.
888 (call_value): Likewise.
889 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
890 (sh2a_get_function_vector_number): Likewise.
891 (sh2a_is_function_vector_call): Likewise.
892 * doc/extend.texi: Document TBR relative addressing of SH2A.
893 (resbank): Add description for SH2A.
895 2008-03-24 Richard Guenther <rguenther@suse.de>
898 * gimplify.c (gimplify_modify_expr): For frontend type-correct
899 pointer assignments change conversions according to middle-end rules.
900 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
901 * configure.ac: Include type checking in yes.
902 * configure: Regenerate.
904 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
906 * diagnostic.c (diagnostic_count_diagnostic): Delete.
907 (diagnostic_report_diagnostic): Update. Handle ICEs here.
909 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
911 * gthr-vxworks.h (UNUSED): Define.
913 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
915 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
917 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
919 * doc/extend.texi (Function Attributes): Add missing comma in the
920 example of the "alloc_size" attribute.
922 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
925 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
927 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
930 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
933 * stor-layout.c (update_alignment_for_field): Set minimum alignment
934 of the underlying type of a MS bitfield layout to the natural
935 alignment of the type.
937 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
939 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
940 to their natural alignment to avoid store forwarding stalls.
942 2008-03-22 Richard Guenther <rguenther@suse.de>
944 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
945 For PHI nodes verify the address is invariant.
946 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
947 (get_symbol_constant_value): Use is_gimple_min_invariant.
948 (maybe_fold_stmt_indirect): Likewise.
950 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
952 PR rtl-optimization/33927
953 * Makefile.in (dse.o): Depend on $(TM_P_H).
954 * expr.h (extract_low_bits): Declare.
955 * expmed.c (extract_low_bits): New function.
956 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
957 * dse.c: Include tm_p.h.
958 (find_shift_sequence): Remove the read_reg argument and return the
959 read value. Emit the instructions instead of returning them.
960 Iterate on new_mode rather than calculating it each time.
961 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
962 source to NEW_MODE and extract_low_bits to convert the shifted
964 (replace_read): Allow the load and store to have different mode
965 classes. Use extract_low_bits when SHIFT == 0. Create the shift
966 or extraction instructions before trying the replacement. Update
967 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
969 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
971 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
972 to their natural alignment to avoid store forwarding stalls.
974 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
977 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
978 encouraging but not allowing gprs for input;
979 change the input constraint to !f#r.
980 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
982 change the output constraint to !f#r.
984 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
987 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
988 corresponding post-reload splitters.
989 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
990 when x87 FP math is selected.
991 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
992 New function prototype.
993 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
994 unreachable function to ease macroization of insn patterns.
996 2008-03-21 Martin Jambor <mjambor@suse.cz>
998 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
999 reference dumps if ddr is NULL or dependence is unknown.
1001 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1003 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1004 unsigned extension into account.
1005 (ATOMIC_COMPARE_AND_SWAP): Likewise.
1006 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1007 Do computations on a scratch register.
1009 2008-03-21 Richard Guenther <rguenther@suse.de>
1011 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1012 Use is_gimple_min_invariant instead of TREE_INVARIANT.
1013 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1014 * tree-ssa-dom.c (record_equality): Likewise.
1015 * tree-inline.c (copy_body_r): Likewise.
1016 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1019 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1021 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1022 as 'delete_unused' argument.
1024 2008-03-20 Richard Guenther <rguenther@suse.de>
1026 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1027 special casing of constant qualifiers.
1028 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1029 care about them in general.
1030 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1031 regardless of their type.
1032 (fold_stmt_r): Forcefully fold *& if we end up with that.
1034 2008-03-20 Paul Brook <paul@codesourcery.com>
1036 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1037 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1039 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1041 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1042 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1044 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
1046 * common.opt (Wmudflap): New option.
1047 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1048 (mx_register_decls): Likewise.
1049 (mudflap_finish_file): Likewise.
1050 * doc/invoke.texi: Document -Wno-mudflap.
1052 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
1054 * c-format.c (replace_format_name_to_system_name): New.
1056 (convert_format_name_to_system_name): New.
1057 (decode_format_attr): Add use of convert_format_name_to_system_name.
1058 (format_types_orig): Add gnu_ prefix to names.
1059 (check_format_info_main): Special treating of \0 escaped names for
1060 supporting multi-character format specifiers as I32, I64.
1061 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1062 (gnu_target_overrides_format_attributes): New.
1063 * c-format.h: Add structure target_ovr_attr to hold
1064 system specific formatter names.
1065 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1066 msformat-c.o file to c_target_objs and cxx_target_objs.
1067 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1068 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1069 (TARGET_N_FORMAT_TYPES): New.
1070 * config/i386/msformat-c.c: New.
1071 * config/i386/t-cygming: Add build rule for msformat-c.o.
1072 * doc/extend.texi: Add new format names gnu_* and ms_* and
1074 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1076 2008-03-20 Ira Rosen <irar@il.ibm.com>
1078 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1079 optimizations turned on under -O3.
1080 (ftree-vectorize): Add that the flag is turned on with -O3.
1082 2008-03-20 Ben Elliston <bje@au.ibm.com>
1084 * regmove.c (try_auto_increment): Fix spelling error in comment.
1085 * final.c (final_scan_insn): Likewise.
1087 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
1090 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1091 allocator preferences for "y" and "r" class registers.
1092 ("*mov<mode>_internal"): Ditto.
1093 ("*movv2sf_internal_rex64"): Ditto.
1094 ("*movv2sf_internal"): Ditto.
1096 2008-03-19 Michael Matz <matz@suse.de>
1099 * calls.c (expand_call): Check overlap of arguments with call
1100 address for sibcalls.
1102 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
1105 * stor-layout.c (update_alignment_for_field): Set minimum alignment
1106 of the underlying type of a MS bitfield layout to the natural
1107 alignment of the type.
1109 2008-03-19 Jan Hubicka <jh@suse.cz>
1112 * toplev.c (decode_d_option): Handle all CPP flags.
1113 * tree-vrp.c: Update tree_pass descriptors.
1114 * regrename.c: Update tree_pass descriptors.
1115 * fwprop.c: Update tree_pass descriptors.
1116 * doc/invoke.texi: Remove documentation of dropped -d? flags.
1117 * tree-into-ssa.c: Update tree_pass descriptors.
1118 * tree-dump.c: Update tree_pass descriptors.
1119 * tree-complex.c: Update tree_pass descriptors.
1120 * tree-dump.h: Update tree_pass descriptors.
1121 * see.c: Update tree_pass descriptors.
1122 * cgraphbuild.c: Update tree_pass descriptors.
1123 * tracer.c: Update tree_pass descriptors.
1124 * tree-loop-distribution.c: Update tree_pass descriptors.
1125 * cgraph.c: Update tree_pass descriptors.
1126 * postreload-gcse.c: Update tree_pass descriptors.
1127 * postreload.c: Update tree_pass descriptors.
1128 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1129 * tree-tailcall.c: Update tree_pass descriptors.
1130 * tree-pass.h (tree_opt_pass): Rename to ...
1131 (opt_pass) ... this one; add "type" field and remove letter field.
1132 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1133 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1134 all_lowering_passes): Update declaration.
1135 * ipa-cp.c: Update tree_pass descriptors.
1136 * final.c: Update tree_pass descriptors.
1137 * omp-low.c: Update tree_pass descriptors.
1138 * tree-ssa-dse.c: Update tree_pass descriptors.
1139 * ipa-reference.c: Update tree_pass descriptors.
1140 * tree-ssa-uncprop.c: Update tree_pass descriptors.
1141 * auto-inc-dec.c: Update tree_pass descriptors.
1142 * reorg.c: Update tree_pass descriptors.
1143 * cgraphunit.c: Update tree_pass descriptors.
1144 * tree-ssa-copyrename.c: Update tree_pass descriptors.
1145 * tree-ssa-ccp.c: Update tree_pass descriptors.
1146 * df-core.c: Update tree_pass descriptors.
1147 * mode-switching.c: Update tree_pass descriptors.
1148 * tree-nomudflap.c: Update tree_pass descriptors.
1149 * modulo-sched.c: Update tree_pass descriptors.
1150 * ipa-pure-const.c: Update tree_pass descriptors.
1151 * cse.c: Update tree_pass descriptors.
1152 * web.c: Update tree_pass descriptors.
1153 * tree-stdarg.c: Update tree_pass descriptors.
1154 * tree-ssa-math-opts.c: Update tree_pass descriptors.
1155 * tree-ssa-dom.c: Update tree_pass descriptors.
1156 * tree-nrv.c: Update tree_pass descriptors.
1157 * tree-ssa-alias.c: Update tree_pass descriptors.
1158 * loop-init.c: Update tree_pass descriptors.
1159 * gimple-low.c: Update tree_pass descriptors.
1160 * ipa-inline.c: Update tree_pass descriptors.
1161 * tree-ssa-sink.c: Update tree_pass descriptors.
1162 * global.c: Update tree_pass descriptors.
1163 * ifcvt.c: Update tree_pass descriptors.
1164 * jump.c: Update tree_pass descriptors.
1165 * predict.c: Update tree_pass descriptors.
1166 * tree-ssa-loop.c: Update tree_pass descriptors.
1167 * recog.c: Update tree_pass descriptors.
1168 * dse.c: Update tree_pass descriptors.
1169 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1170 * tree-eh.c: Update tree_pass descriptors.
1171 * regmove.c: Update tree_pass descriptors.
1173 * function.c: Update tree_pass descriptors.
1174 * tree-vectorizer.c: Update tree_pass descriptors.
1175 * gcse.c: Update tree_pass descriptors.
1176 * ipa-type-escape.c: Update tree_pass descriptors.
1177 * tree-if-conv.c: Update tree_pass descriptors.
1178 * init-regs.c: Update tree_pass descriptors.
1179 * ipa.c: Update tree_pass descriptors.
1180 * tree-ssa-phiopt.c: Update tree_pass descriptors.
1181 * rtl-factoring.c: Update tree_pass descriptors.
1182 * lower-subreg.c: Update tree_pass descriptors.
1183 * bt-load.c: Update tree_pass descriptors.
1184 * tree-dfa.c: Update tree_pass descriptors.
1185 * except.c: Update tree_pass descriptors.
1186 * emit-rtl.c: Update tree_pass descriptors.
1187 * cfgexpand.c: Update tree_pass descriptors.
1188 * tree-cfgcleanup.c: Update tree_pass descriptors.
1189 * cfgcleanup.c: Update tree_pass descriptors.
1190 * tree-ssa-pre.c: Update tree_pass descriptors.
1191 * tree-sra.c: Update tree_pass descriptors.
1192 * tree-mudflap.c: Update tree_pass descriptors.
1193 * tree-ssa-copy.c: Update tree_pass descriptors.
1194 * cfglayout.c: Update tree_pass descriptors.
1195 * tree-ssa-forwprop.c: Update tree_pass descriptors.
1196 * tree-ssa-dce.c: Update tree_pass descriptors.
1197 * tree-ssa.c: Update tree_pass descriptors.
1198 * regclass.c: Update tree_pass descriptors.
1199 * integrate.c: Update tree_pass descriptors.
1200 * tree-optimize.c: Update tree_pass descriptors.
1201 * tree-ssa-phiprop.c: Update tree_pass descriptors.
1202 * tree-object-size.c: Update tree_pass descriptors.
1203 * combine.c: Update tree_pass descriptors.
1204 * tree-outof-ssa.c: Update tree_pass descriptors.
1205 * bb-reorder.c: Update tree_pass descriptors.
1206 * stack-ptr-mod.c: Update tree_pass descriptors.
1207 * var-tracking.c: Update tree_pass descriptors.
1208 * tree-profile.c: Update tree_pass descriptors.
1209 * tree-vect-generic.c: Update tree_pass descriptors.
1210 * reg-stack.c: Update tree_pass descriptors.
1211 * sched-rgn.c: Update tree_pass descriptors.
1212 * tree-ssa-structalias.c: Update tree_pass descriptors.
1213 * tree-cfg.c: Update tree_pass descriptors.
1214 * passes.c (current_pass): Update declaration.
1215 (finish_optimization_passes): Update.
1216 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1217 (register_one_dump_file, register_dump_files_1, next_pass_1):
1219 (init_optimization_passes): Update handling of new types.
1220 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1221 * ipa-struct-reorg.c: Update tree_pass descriptors.
1222 * tree-ssa-reassoc.c: Update tree_pass descriptors.
1223 * combine-stack-adj.c: Update tree_pass descriptors.
1224 * cfgrtl.c: Update tree_pass descriptors.
1225 * dce.c: Update tree_pass descriptors.
1226 * tree-ssanames.c: Update tree_pass descriptors.
1228 2008-03-19 Richard Guenther <rguenther@suse.de>
1231 * tree-ssa.c (walk_data): New structure.
1232 (warn_uninitialized_var): If not always_executed warn with "maybe"
1234 (execute_early_warn_uninitialized): Compute post-dominators.
1235 Initialize always_executed before processing each basic block.
1237 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
1240 * config/i386/i386.c (x86_this_parameter): Calculate correct location
1241 of "this" pointer when "regparm = N" or "fastcall" is in effect.
1243 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1245 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1247 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
1249 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1251 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1252 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1253 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
1254 target after ignore has been set, and move there also the commputation
1255 of subtarget and original_target.
1256 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1257 (LANG_HOOKS_INITIALIZER): Remove it.
1258 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1260 2008-03-18 Richard Guenther <rguenther@suse.de>
1262 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1263 found an expression with constants, note that in the VN for the lhs.
1264 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1265 fold them to constants if possible. Run cleanup_cfg if done so.
1266 (execute_pre): Return todo.
1268 (execute_fre): Likewise.
1269 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1271 (get_prop_source_stmt): Look through pointer conversions.
1273 2008-03-18 Jan Hubicka <jh@suse.cz>
1275 * tree-pretty-print.c: Include predict.h.
1276 (dump_generic_node): Dump predictor.
1277 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1278 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1279 * gimple-low.c (lower_stmt): Likewise.
1280 * expr.c (expand_expr_real): Likewise.
1281 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1283 (build_predict_expr, build_predict_expr): New.
1284 * predict.h (predictor_name, build_predict_expr): Update.
1285 * c-typeck.c (c_finish_bc_stmt): Add prediction.
1286 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1287 * predict.def (PRED_CONTINUE): Update hitrate.
1288 * tree.def (PREDICT_EXPR): Define.
1289 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1290 do not handle BIND_EXPR.
1291 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1292 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1293 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1296 2008-03-18 Michael Matz <matz@suse.de>
1298 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1300 2008-03-18 Richard Guenther <rguenther@suse.de>
1302 * tree-gimple.h (is_gimple_invariant_address): Declare.
1303 (is_gimple_constant): Likewise.
1304 * tree-gimple.c (is_gimple_constant): New function.
1305 (is_gimple_invariant_address): Likewise.
1306 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1307 and is_gimple_invariant_address.
1308 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1310 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1311 an addressable base.
1313 2008-03-18 Jakub Jelinek <jakub@redhat.com>
1316 * gimplify.c (gimplify_expr): Gimplify second operand of
1319 2008-03-17 Richard Guenther <rguenther@suse.de>
1321 PR tree-optimization/19637
1322 * fold-const.c (fold_unary): Remove restrictions of removing
1323 intermediate pointer-conversions (P2)(P1)P0.
1324 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1325 conversion to void pointer.
1326 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1328 2008-03-16 James E. Wilson <wilson@tuliptree.org>
1331 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1332 emulated thread local variables.
1334 2008-03-16 Richard Guenther <rguenther@suse.de>
1337 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1338 expand TREE_INVARIANT operations that are not gimple invariant.
1340 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
1342 * doc/extend.texi (Alignment): Say that the ABI controls
1343 the __alignof__ for non-strict-alignment targets rather
1344 than being a recommendation.
1346 2008-03-15 Paul Brook <paul@codesourcery.com>
1348 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1350 (arm_output_fn_unwind): Mark functions that can not be unwound.
1352 2008-03-15 Paul Brook <paul@codesourcery.com>
1354 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1355 extension instructions.
1357 2008-03-15 Richard Guenther <rguenther@suse.de>
1359 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1360 and fold constant aggregate refs.
1361 (fold_const_aggregate_ref): Handle string constants
1362 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
1363 (evaluate_stmt): Simplify now that ccp_fold folds constant
1366 2008-03-15 Paul Brook <paul@codesourcery.com>
1368 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1369 (extzv): Use gen_extzv_t2.
1370 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1372 2008-03-15 Richard Guenther <rguenther@suse.de>
1374 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1375 (fold_const_aggregate_ref): Likewise.
1376 (get_value): Return NULL if we don't have any values.
1377 (ccp_finalize): Set const_val to NULL after freeing it.
1378 * tree-flow.h (get_symbol_constant_value): Declare.
1379 (fold_const_aggregate_ref): Likewise.
1380 * tree-ssa-sccvn.c (try_to_simplify): Use them.
1382 2008-03-15 Richard Guenther <rguenther@suse.de>
1385 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1386 to not produce negative array indices if not allowed. Add
1387 parameter to indicate that.
1388 (maybe_fold_offset_to_component_ref): Allow negative array
1389 indices only for the first member of a structure.
1390 (maybe_fold_offset_to_reference): Allow negative array indices.
1391 (maybe_fold_stmt_addition): Likewise.
1393 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
1394 Anatoly Sokolov <aesok@post.ru>
1396 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1397 (avr_arch): Add ARCH_AVR6.
1398 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1399 (initial_elimination_offset): Initialize and use 'avr_pc_size'
1400 instead of fixed value 2.
1401 (print_operand_address): Use gs() asm specifier instead of pm().
1402 (avr_assemble_integer): (Ditto.).
1403 (avr_output_addr_vec_elt): (Ditto.).
1404 (print_operand): Handle "!" code.
1405 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
1406 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1407 (AVR_HAVE_EIJMP_EICALL): Define.
1408 (AVR_3_BYTE_PC): Redefine.
1409 (AVR_2_BYTE_PC): (Ditto.).
1410 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1411 (LINK_SPEC): Add atmega2560 and atmega2561.
1412 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
1414 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
1415 for 3 byte PC devices.
1416 (call_value_insn): (Ditto.).
1417 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1418 (indirect_jump): Use only for for 2 byte PC devices.
1419 (*tablejump): (Ditto.).
1420 (*indirect_jump_avr6): Add insn.
1421 (*tablejump_rjmp): Don't use for 3 byte PC devices.
1422 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
1423 instead of ijmp for 3 byte PC devices.
1424 (__tablejump2__): (Ditto.).
1425 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1426 (MULITLIB_DIRNAMES): (Ditto.).
1427 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1429 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
1431 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1432 "sse2_umulsidi3". Use V1DI mode for operand 0.
1433 ("mmx_psadbw"): Use V1DI mode for operand 0.
1434 * config/i386/i386-modes.def (V1SI): New vector mode.
1435 * config/i386/i386.c (struct builtin_description)
1436 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1437 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1438 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1439 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1440 v1di_ftype_v8qi_v8qi type.
1441 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1443 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1444 __builtin_ia32_pmuludq]: Fix the mode of return value.
1446 2008-03-15 Richard Guenther <rguenther@suse.de>
1449 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1452 2008-03-14 Bob Wilson <bob.wilson@acm.org>
1454 * doc/invoke.texi (Option Summary, Xtensa Options): Document
1455 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1456 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1457 unless TARGET_SERIALIZE_VOLATILE is enabled.
1458 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1459 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1460 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1462 2008-03-14 Richard Guenther <rguenther@suse.de>
1464 PR tree-optimization/34172
1465 * tree-flow.h (refs_may_alias_p): Declare.
1466 (get_single_def_stmt): Likewise.
1467 (get_single_def_stmt_from_phi): Likewise.
1468 (get_single_def_stmt_with_phi): Likewise.
1469 * tree-dfa.c (refs_may_alias_p): New function.
1470 (get_single_def_stmt): Likewise.
1471 (get_single_def_stmt_from_phi): Likewise.
1472 (get_single_def_stmt_with_phi): Likewise.
1473 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1474 (vn_reference_lookup_1): New helper function.
1475 (vn_reference_lookup): Walk the virtual use-def chain to
1476 continue searching for a match if the def does not alias the
1477 reference we are looking for.
1479 2008-03-14 David Edelsohn <edelsohn@gnu.org>
1481 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
1482 archive and Perzl. Update The Written Word listing.
1484 2008-03-14 Richard Guenther <rguenther@suse.de>
1486 PR tree-optimization/34043
1487 PR tree-optimization/33989
1488 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1490 (bitmap_find_leader): Use extra argument to verify dominance
1491 relationship inside a basic-block.
1492 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1493 (find_leader_in_sets): Adjust.
1494 (create_component_ref_by_pieces): Take extra argument for
1495 dominance check, handle lookup failures.
1496 (find_or_generate_expression): Likewise.
1497 (create_expression_by_pieces): Likewise.
1498 (insert_into_preds_of_block): Adjust.
1499 (create_value_expr_from): If asked for, verify all operands
1500 are in the blocks AVAIL_OUT set.
1501 (make_values_for_stmt): Check for SSA_NAMEs that are life
1502 over an abnormal edge.
1503 (compute_avail): Remove such check.
1504 (do_SCCVN_insertion): New function.
1505 (eliminate): If we do not find a leader suitable for replacement
1506 insert a replacement expression from SCCVN if available.
1507 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1508 (struct vn_ssa_aux): Add needs_insertion flag.
1509 * tree-ssa-sccvn.c (may_insert): New global flag.
1510 (copy_reference_ops_from_ref): Value-number union member access
1511 based on its size, not type and member if insertion is allowed.
1512 (visit_reference_op_load): For a weak match from union type
1513 punning lookup a view-converted value and insert a SSA_NAME
1514 for that value if that is not found.
1515 (visit_use): Make dumps shorter. Do not disallow value numbering
1516 SSA_NAMEs that are life over an abnormal edge to constants.
1517 (free_scc_vn): Release inserted SSA_NAMEs.
1518 (run_scc_vn): New flag to specify whether insertion is allowed.
1519 Process SSA_NAMEs in forward order.
1520 * tree-ssa-loop-im.c (for_each_index): Handle invariant
1521 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1522 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1523 pointer type to/from integral types that do not change the
1524 precision to regular conversions.
1526 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
1528 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1529 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1530 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1531 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1532 input arguments and the mode of return value. Built-in functions
1533 that operate on whole 64-bit MMX register now use V1DI mode.
1535 2008-03-13 Alon Dayan <alond@il.ibm.com>
1536 Olga Golovanevsky <olga@il.ibm.com>
1538 PR tree-optimization/35041
1539 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1540 to locate the right position in a statement.
1542 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
1546 * config/i386/xmmintrin.h: Change all static inline functions to
1547 extern inline and add __gnu_inline__ attribute.
1548 * config/i386/bmintrin.h: Ditto.
1549 * config/i386/smmintrin.h: Ditto.
1550 * config/i386/tmmintrin.h: Ditto.
1551 * config/i386/mmintrin-common.h: Ditto.
1552 * config/i386/ammintrin.h: Ditto.
1553 * config/i386/emmintrin.h: Ditto.
1554 * config/i386/pmmintrin.h: Ditto.
1555 * config/i386/mmintrin.h: Ditto.
1556 * config/i386/mm3dnow.h: Ditto.
1558 2008-03-13 Jakub Jelinek <jakub@redhat.com>
1561 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1562 (lower_omp_2): New function.
1563 (lower_omp_1, lower_omp): Rewritten.
1565 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
1568 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1569 with the phrase "Microsoft Windows compilers".
1570 (Push/Pop Macro Pragmas): New subsection. Document
1571 #pragma push_macro and pragma pop_macro.
1573 2008-03-12 Paul Brook <paul@codesourcery.com>
1575 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1577 2008-03-12 Paul Brook <paul@codesourcery.com>
1579 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1580 (thumb2_alusi3_short): Exclude PLUS and MINUS.
1581 (thumb2_addsi_shortim): Rename ...
1582 (thumb2_addsi_short): ... to this. Allow register operands.
1583 (thumb2_subsi_short): New pattern.
1584 (thumb2_one_cmplsi2_short,
1585 thumb2_negsi2_short): New patterns and peepholes.
1587 2008-03-12 Paul Brook <paul@codesourcery.com>
1589 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1591 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
1593 * config/i386/i386.md (int_cond): New code iterator.
1595 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1596 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1597 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1598 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1599 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1600 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1601 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1602 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1604 2008-03-12 Paul Brook <paul@codesourcery.com>
1606 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1607 instead of {arm,thumb}_compute_save_reg_mask.
1608 (output_return_instruction): Ditto.
1609 (thumb_unexpanded_epilogue): Ditto.
1610 (thumb1_expand_prologue): Ditto.
1611 (thumb1_output_function_prologue): Ditto.
1612 (arm_set_return_address): Ditto.
1613 (thumb_set_return_address): Ditto.
1614 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
1615 regs to achieve stack alignment.
1616 (thumb1_compute_save_reg_mask): Fix compiler warning.
1617 (arm_output_epilogue): Use offsets->saved_regs_mask.
1618 Adjust stack pointer by poping call clobered registers.
1619 (arm_expand_prologue): Use offsets->saved_regs_mask.
1620 Adjust stack pointer by pushing extra registers.
1621 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1623 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
1626 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1627 conversion to the operands of a multiplication.
1629 2008-03-12 Richard Guenther <rguenther@suse.de>
1631 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1632 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1633 * timevar.def (TV_TREE_PHIPROP): Add.
1634 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1635 pass description. Use TV_TREE_PHIPROP.
1636 * tree-ssa-forwprop.c: Remove phiprop code.
1638 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1641 * omp-low.c (maybe_lookup_decl): Constify first argument.
1642 (use_pointer_for_field): Change last argument from bool to
1643 omp_context *. Disallow shared copy-in/out in nested
1644 parallel if decl is shared in outer parallel too.
1645 (build_outer_var_ref, scan_sharing_clauses,
1646 lower_rec_input_clauses, lower_copyprivate_clauses,
1647 lower_send_clauses, lower_send_shared_vars): Adjust callers.
1649 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
1650 Ira Rosen <irar@il.ibm.com>
1652 * tree-vectorizer.c (free_stmt_vec_info): New function.
1653 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1654 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1655 * tree-vectorizer.h (free_stmt_vec_info): Declare.
1656 * tree-vect-transform.c (vectorizable_conversion): Free
1657 vec_oprnds0 if it was allocated.
1658 (vect_permute_store_chain): Remove unused VECs.
1659 (vectorizable_store): Free VECs that are allocated in the..
1661 (vect_transform_strided_load, vectorizable_load): Likewise.
1662 (vect_remove_stores): Simplify the code.
1663 (vect_transform_loop): Move code to vect_remove_stores().
1664 Call vect_remove_stores() and free_stmt_vec_info().
1666 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1668 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1669 TARGET_HPUX. Revise comment.
1670 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1671 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1672 Use sr4 variant of `be' instruction when not generating PIC code.
1673 (attr_length_call): Adjust for above change.
1675 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1677 * ipa-reference.c (static_execute): Remove module_statics_const and
1678 associated setting code.
1680 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1683 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1684 predicate for operand 1.
1685 (paritysi2_cmp): Use register_operand predicate for operand 2.
1686 Use earlyclobber modifier for operand 1. Remove support for
1688 (paritydi2_cmp): Use register_operand predicate for operand 3.
1689 Use earlyclobber modifier for operand 1. Remove support for
1692 2008-03-11 Paul Brook <paul@codesourcery.com>
1693 Vladimir Prus <vladimir@codesourcery.com>
1695 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1696 (arm_compute_save_reg0_reg12_mask): Always
1697 check if register 11 must be saved. Always safe hard frame pointer
1698 when frame_pointer_needeed.
1699 (arm_compute_save_reg_mask): Save IP and PC
1700 only with apcs frames.
1701 (arm_output_epilogue): Adjust Thumb2 codepath to
1702 be also invoked and work for ARM non-apcs frames.
1703 (arm_expand_prologue): Don't bother saving IP
1704 for non-apcs frame, since it's not clobbered by
1705 prologue code. Implement non-apcs frame
1708 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1710 PR rtl-optimization/35281
1711 * expr.c (convert_move): Use a new pseudo for the intermediate
1712 from_mode->word_mode result.
1714 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1716 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1717 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1718 * toplev.c (compile_file): Don't call it.
1720 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1723 * expr.c (store_expr): Call emit_block_move if the mode
1724 of "temp" RTX is BLKmode.
1726 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1727 Richard Guenther <rguenther@suse.de>
1729 PR tree-optimization/31358
1730 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1731 the step with a NULL_TREE.
1732 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1733 to sizetype if type is a pointer type.
1734 (add_candidate_1): Don't convert the base and step to
1735 the generic type if the orginal type is a pointer type.
1736 (add_iv_value_candidates): Use sizetype for the step
1737 if type is a pointer type.
1738 (cand_value_at): Likewise.
1739 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1741 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1742 Don't convert the tem affine to the type.
1743 (add_elt_to_tree): Use sizetype for the step if a pointer.
1744 Use POINTER_PLUS_EXPR for pointers.
1745 (aff_combination_to_tree): Use sizetype for the step if a
1748 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
1750 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1751 Remove commutativity hint.
1753 2008-03-10 Jakub Jelinek <jakub@redhat.com>
1757 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1758 errorneous type. Check that v is a VAR_DECL.
1761 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1763 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
1765 PR tree-optimization/35494
1766 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1767 may be overriden at link and run time.
1769 2008-03-10 Richard Guenther <rguenther@suse.de>
1771 PR tree-optimization/34677
1772 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1773 (poolify_tree): Likewise.
1774 (modify_expr_template): Likewise.
1775 (poolify_modify_stmt): Likewise.
1776 (insert_fake_stores): Handle all component-ref style stores
1777 in addition to INDIRECT_REF. Also handle complex types.
1778 Do not poolify the inserted load.
1779 (realify_fake_stores): Do not rebuild the tree but only
1780 make it a SSA_NAME copy.
1781 (init_pre): Remove initialzation of modify_expr_template.
1782 Do not allocate modify_expr_node_pool.
1783 (fini_pre): Do not free modify_expr_node_pool.
1785 2008-03-10 Paul Brook <paul@codesourcery.com>
1787 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1790 2008-03-10 Paul Brook <paul@codesourcery.com>
1791 Mark Shinwell <shinwell@codesourcery.com>
1793 * config/arm/cortex-r4.md: New.
1794 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1796 * config/arm/arm.md: Include cortex-r4.md.
1797 (insn): Add smmls, sdiv and udiv values.
1798 (generic_sched): Don't use generic scheduling for Cortex-R4.
1799 (arm_issue_rate): New function.
1800 (TARGET_SCHED_ISSUE_RATE): Define.
1802 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
1804 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1806 2008-03-10 Richard Guenther <rguenther@suse.de>
1808 * tree-ssa-pre.c (get_sccvn_value): Simplify.
1809 (compute_avail): Do not add stmt uses to AVAIL_OUT.
1811 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
1813 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1814 Set default to true.
1816 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1818 * c.opt (Wsynth): Deprecate.
1819 * doc/invoke.texi (Option Summary, Warning Options): Document
1820 -Wno-format-contains-nul.
1822 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
1825 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1826 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1828 2008-03-09 Ira Rosen <irar@il.ibm.com>
1830 * config/rs6000/rs6000.c (builtin_description): Rename vector
1831 left shift operations.
1832 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1833 (altivec_vsl<VI_char>): Rename to ...
1834 (ashl<mode>3): ... new name.
1835 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1837 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1839 2008-03-08 Richard Guenther <rguenther@suse.de>
1841 * coverage.h (tree_coverage_counter_addr): Declare.
1842 * coverage.c (tree_coverage_counter_addr): New function.
1843 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1845 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1846 (tree_gen_one_value_profiler): Likewise.
1847 (tree_gen_ic_profiler): Likewise.
1848 (tree_gen_average_profiler): Likewise.
1849 (tree_gen_ior_profiler): Likewise.
1851 2008-03-08 Richard Guenther <rguenther@suse.de>
1853 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1854 (vn_binary_op_insert): Likewise.
1855 (vn_unary_op_lookup): Likewise.
1856 (vn_unary_op_insert): Likewise.
1857 (vn_nary_op_lookup): Declare.
1858 (vn_nary_op_insert): Likewise.
1859 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1860 and binary hashes, use a single obstack for unary_op_pool
1862 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1863 a single struct vn_nary_op_s. Store tree code length and
1864 a variable number of operands.
1865 (struct vn_reference_op_struct): Remove unused op2.
1866 (vn_reference_op_eq): Do not compare op2.
1867 (vn_reference_op_compute_hash): Do not compute hash of op2.
1868 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1869 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1870 with vn_nary_op_compute_hash.
1871 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1872 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1874 (vn_unary_op_insert, vn_binary_op_insert): Replace with
1876 (visit_unary_op): Call nary functions.
1877 (visit_binary_op): Likewise.
1878 (process_scc): Adjust for struct vn_tables_s changes.
1879 (allocate_vn_table): Likewise.
1880 (free_vn_table): Likewise.
1881 * tree-vn.c (vn_add): Call nary functions.
1882 (vn_lookup): Likewise.
1884 2008-03-08 Jakub Jelinek <jakub@redhat.com>
1887 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1888 wdst back after sync_compare_and_swapqhi_internal.
1890 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
1893 * config/i386/i386-modes.def (V1DI): New vector mode.
1894 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1895 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1896 (MMXMODE248): Ditto.
1897 (MMXMODE): Add V1DI mode.
1898 (mmxvecsize): Change DI mode to V1DI mode.
1899 ("mov<mode>): Use MMXMODEI8 mode iterator.
1900 ("*mov<mode>_internal_rex64"): Ditto.
1901 ("*mov<mode>_internal"): Ditto.
1902 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
1903 ("mmx_sub<mode>3"): Ditto.
1904 ("mmx_adddi3"): Remove insn pattern.
1905 ("mmx_subdi3"): Ditto.
1906 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1907 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1908 ("mmx_ashl<mode>3"): Ditto.
1909 ("mmx_lshrdi3"): Remove insn pattern.
1910 ("mmx_ashldi3"): Ditto.
1911 * config/i386/i386.c (classify_argument): Handle V1DImode.
1912 (function_arg_advance_32): Ditto.
1913 (function_arg_32): Ditto.
1914 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1915 mmx_addv1di3 insn pattern.
1916 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1917 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1918 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1919 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1920 Remove definitions of built-in functions.
1921 (V1DI_type_node): New node.
1922 (v1di_ftype_v1di_int): Ditto.
1923 (v1di_ftype_v1di_v1di): Ditto.
1924 (v2si_ftype_v2si_si): Ditto.
1925 (v4hi_ftype_v4hi_di): Remove node.
1926 (v2si_ftype_v2si_di): Ditto.
1927 (ix86_init_mmx_sse_builtins): Handle V1DImode.
1928 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1929 Redefine builtins using def_builtin_const with *_ftype_*_int node.
1930 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1931 Add new builtins using def_builtin_const.
1932 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1933 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1934 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1935 * config/i386/mmintrin.h (__v1di): New typedef.
1936 (_mm_add_si64): Cast arguments to __v1di type.
1937 (_mm_sub_si64): Ditto.
1938 (_mm_sll_pi16): Cast __count to __v4hi type.
1939 (_mm_sll_pi32): Cast __count to __v2si type.
1940 (_mm_sll_si64): Cast arguments to __v1di type.
1941 (_mm_srl_pi16): Cast __count to __v4hi type.
1942 (_mm_srl_pi32): Cast __count to __v2si type.
1943 (_mm_srl_si64): Cast arguments to __v1di type.
1944 (_mm_sra_pi16): Cast __count to __v4hi type.
1945 (_mm_sra_pi32): Cast __count to __v2si type.
1946 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1947 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1948 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1949 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1950 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1951 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1952 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1953 (_mm_srai_pi32): Use __builtin_ia32_psradi.
1954 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1955 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1956 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1957 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1959 2008-03-07 Joseph Myers <joseph@codesourcery.com>
1961 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1963 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
1966 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1967 reg+const addressing for Altivec modes. Don't generate reg+reg
1968 addressing for TFmode or TDmode quantities.
1970 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
1972 * c-common.c (vector_types_convertible_p): Call langhook
1973 instead of comptypes.
1975 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1978 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1979 integral and scalar float variables which have a
1982 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
1984 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1985 dwarf_register_span hook when emitting unwind information for
1986 register-to-memory saves.
1987 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1988 (rs6000_frame_related): Remove call to spe_synthesize_frame.
1990 2008-03-06 Jakub Jelinek <jakub@redhat.com>
1992 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1993 for the same VAR_DECL.
1995 2008-03-06 Tom Tromey <tromey@redhat.com>
1998 * doc/standards.texi (Standards): Don't mention treelang.
1999 * doc/invoke.texi (Overall Options): Don't mention treelang.
2000 * doc/install.texi (Prerequisites): Don't mention bison or
2002 (Configuration): Don't mention treelang.
2003 (Building): Likewise.
2004 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2006 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
2008 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2009 word-extractions out of a multi-word object.
2011 2008-03-06 Richard Guenther <rguenther@suse.de>
2013 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2014 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2015 result type and precision.
2016 * expr.c (get_inner_reference): Set unsignedp based on the result
2017 type of BIT_FIELD_REF.
2018 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2019 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2020 (try_instantiate_multiple_fields): Likewise. Use the correct type
2022 (sra_build_assignment): Likewise.
2023 (sra_build_elt_assignment): Likewise.
2024 (sra_explode_bitfield_assignment): Likewise.
2025 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2026 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2027 set BIT_FIELD_REF_UNSIGNED.
2028 (vectorizable_load): Likewise.
2030 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
2032 * cse.c (cse_extended_basic_block): Invalidate artificial defs
2035 2008-03-06 Richard Guenther <rguenther@suse.de>
2037 * alias.c (struct alias_set_entry): Move has_zero_child field
2038 to pack with alias_set.
2040 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2042 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2045 2008-03-05 Ian Lance Taylor <iant@google.com>
2047 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2049 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
2051 * fwprop.c (update_df): Support width and offset parameters of
2053 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2054 global_conflicts): Change DF_REF_EXTRACT to either
2055 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2056 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2057 * df-scan.c (df_ref_record, df_defs_record,
2058 df_ref_create_structure, df_def_record_1, df_uses_record,
2059 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2060 df_bb_refs_collect, df_entry_block_defs_collect,
2061 df_exit_block_uses_collect): Support new width and offset fields.
2062 (ref_extract_pool): New storage pool.
2063 (df_free_ref): New function.
2064 (df_reg_chain_unlink, df_free_collection_rec,
2065 df_sort_and_compress_refs): Call df_free_ref.
2066 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2068 (df_ref_create_structure): Allocate df_ref_extract if offset and
2069 width fields are used.
2070 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2071 (df_uses_record): Get offset and width from ZERO_EXTRACT
2073 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2074 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2075 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2076 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2077 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2078 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2079 (df_ref_extract): New structure.
2080 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2081 (df_ref_create): Add width and offset parameters.
2083 2008-03-05 Richard Guenther <rguenther@suse.de>
2085 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2086 Use ranges_overlap_p.
2087 (offset_overlaps_with_access): Rename
2088 to ranges_overlap_p and move ...
2089 * tree-flow-inline.h (ranges_overlap_p): ... here.
2091 * tree.h (get_inner_reference, handled_component_p): Update
2094 * tree.h (record_component_aliases, get_alias_set,
2095 alias_sets_conflict_p, alias_sets_must_conflict_p,
2096 objects_must_conflict_p): Move declarations ...
2097 * alias.h (record_component_aliases, get_alias_set,
2098 alias_sets_conflict_p, alias_sets_must_conflict_p,
2099 objects_must_conflict_p): ... here.
2100 Include coretypes.h.
2101 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2103 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
2105 * cfg.c: Include tree-flow.h.
2106 (remove_edge_raw): Call redirect_edge_var_map_clear.
2107 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2108 * tree-flow-inline.h (redirect_edge_var_map_def): New.
2109 (redirect_edge_var_map_result): New.
2110 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2111 PENDING_STMT use with redirect_edge_var_map_*.
2112 * tree-ssa.c (edge_var_maps): New definition.
2113 (redirect_edge_var_map_add): New.
2114 (redirect_edge_var_map_clear): New.
2115 (redirect_edge_var_map_dup): New.
2116 (redirect_edge_var_map_vector): New.
2117 (redirect_edge_var_map_destroy): New.
2118 (ssa_redirect_edge): Replace PENDING_STMT use with
2119 redirect_edge_var_map_*.
2120 (flush_pending_stmts): Same.
2121 (delete_tree_ssa): Destroy edge var map.
2122 * tree-flow.h (struct _edge_var_map): New.
2123 Define edge_var_map vector type.
2124 Declare redirect_edge_var_map_* prototypes.
2125 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2126 * tree-cfg.c (reinstall_phi_args): Replace
2127 PENDING_STMT use with redirect_edge_var_map_*.
2129 2008-03-05 Richard Guenther <rguenther@suse.de>
2131 PR tree-optimization/35472
2132 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2133 whose single use_stmt has a overlapping set of loaded and
2134 stored symbols as that use_stmt might be a noop assignment then.
2136 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2138 * gthr-rtems.h: Implement __gthread_mutex_destroy.
2140 2008-03-05 Richard Guenther <rguenther@suse.de>
2143 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2144 should be constants.
2145 * tree-cfg.c (verify_expr): Verify it.
2146 * fold-const.c (fold_truthop): Remove code generating
2147 BIT_FIELD_REFs of structure bases.
2148 (fold_binary): Likewise.
2149 (fold_ternary): Position and size of BIT_FIELD_REFs are
2150 always host integers.
2151 (make_bit_field_ref): Remove.
2152 (optimize_bit_field_compare): Remove.
2153 (all_ones_mask_p): Remove.
2155 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
2158 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2159 (split_block_and_df_analyze): New. Split basic block and rebuild
2161 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2163 (split_pattern_seq): Likewise.
2164 (erase_matching_seqs): Likewise.
2165 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2167 2008-03-04 Geoff Keating <geoffk@apple.com>
2169 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2170 declaration and code.
2171 (tree_invalid_nonnegative_warnv_p): Likewise.
2173 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2175 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2176 examples. Truncate option-names then causing overfull hbox.
2178 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2181 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2183 * configure: Rebuilt.
2185 2008-03-04 Rafael Espindola <espindola@google.com>
2187 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2188 (tree_unary_nonnegative_warnv_p): New.
2189 (tree_binary_nonnegative_warnv_p): New.
2190 (tree_single_nonnegative_warnv_p): New.
2191 (tree_invalid_nonnegative_warnv_p): New.
2192 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2194 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2197 * opts.c (handle_option): Postpone 'unknown option' errors only for
2200 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
2203 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2206 2008-03-04 Rafael Espindola <espindola@google.com>
2208 * fold-const.c (tree_unary_nonzero_warnv_p): New.
2209 (tree_binary_nonzero_warnv_p): New.
2210 (tree_single_nonzero_warnv_p): New.
2211 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2213 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
2216 * fold-const.c (fold_cond_expr_with_comparison): Prevent
2217 transformations for modes that have signed zeros.
2218 * ifcvt.c (noce_try_abs): Ditto.
2220 2008-03-04 Joseph Myers <joseph@codesourcery.com>
2222 * config/i386/i386.c (override_options): Force
2223 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2225 2008-03-04 Jan Hubicka <jh@suse.cz>
2228 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2231 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2233 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
2234 label to probe the stack.
2236 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2238 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2239 (__gthr_win32_mutex_destroy): Declare.
2240 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2241 __gthr_win32_mutex_destroy.
2242 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
2244 2008-03-03 Jan Hubicka <jh@suse.cz>
2247 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2248 aggressive on inlining cold calls.
2250 2008-03-03 Richard Guenther <rguenther@suse.de>
2252 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2253 struct copies into the expression table.
2254 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2255 (try_to_simplify): Likewise.
2256 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2257 integral and pointer arguments which do not change the
2258 precision to NOP_EXPRs.
2259 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2260 VIEW_CONVERT_EXPR case.
2262 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
2264 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2265 defined in a loop at depth 0 is invariant.
2266 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2267 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2268 be called at loop depth 0.
2270 2008-03-02 Jakub Jelinek <jakub@redhat.com>
2273 * gcc.c (process_command): Update copyright notice dates.
2274 * gcov.c (print_version): Likewise.
2275 * gcov-dump.c (print_version): Likewise.
2276 * mips-tfile.c (main): Likewise.
2277 * mips-tdump.c (main): Likewise.
2279 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2282 * c-common.c (flag_permissive): Delete.
2283 (constant_expression_warnings): Check flags first.
2284 (constant_expression_error): New.
2285 * c-common.h (flag_permissive): Delete.
2286 (constant_expression_error): Declare.
2287 * flags.h (flag_permissive): Declare. Update description.
2288 * diagnostic.c (pedwarn): Update.
2290 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2291 (permissive_error_kind): New.
2292 * toplev.c (flag_permissive): Define. Update description.
2293 * toplev.h (permissive_error_kind): Declare.
2294 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2295 (pedwarn_c90): Use pedantic_warning_kind.
2296 * c-opts.c (c_common_post_options): flag_permissive does not affect
2297 flag_pedantic_errors.
2299 2008-03-02 Joseph Myers <joseph@codesourcery.com>
2301 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2302 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2303 __absvsi2, __absvDI2): Use unsigned arithmetic.
2305 2008-03-02 Andi Kleen <ak@suse.de>
2306 Richard Guenther <rguenther@suse.de>
2308 * struct-equiv.c: Remove file.
2309 * cfg_cleanup.c (condjump_equiv_p): Remove.
2310 * Makefile.in (OBJS-common): Remove struct-equiv.o.
2311 (struct-equiv.o): Remove rule.
2312 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2313 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
2314 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2316 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2318 * ifcvt.c (noce_process_if_block): Try to handle only the then
2319 block if the else block exists but isn't suitable.
2321 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
2324 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2325 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2326 regression from previous patch.
2328 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
2331 * gthr.h: Add __gthread_mutex_destroy as a function that must be
2333 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2334 * gthr-single.h (__gthread_mutex_destroy): Likewise.
2335 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2336 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2337 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2338 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2339 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2340 (__gthread_mutex_destroy_function): Rename to
2341 __gthread_mutex_destroy.
2342 * gthr-dce.h (__gthread_mutex_destroy): Call
2343 pthread_mutex_destroy.
2344 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2345 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2346 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2348 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2350 * df-scan.c (df_ref_chain_change_bb): Simplify.
2351 (df_insn_change_bb): Add new_bb argument. Simplify. Call
2352 set_block_for_insn if there's any change.
2353 * df.h ((df_insn_change_bb): Fix prototype.
2354 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2355 df_insn_change_bb, don't call set_block_for_insn.
2356 * emit-rtl.c (reorder_insns): Likewise.
2357 * haifa-sched.c (move_insn): Likewise.
2359 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2361 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2363 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2365 * tree-flow-inline.h (next_readonly_imm_use): Return
2366 NULL_USE_OPERAND_P after the end.
2368 2008-03-01 Richard Guenther <rguenther@suse.de>
2370 PR tree-optimization/35411
2371 * tree-sra.c (sra_build_assignment): Split conversion to
2372 final type to a separate statement if we are not assigning
2375 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2377 * fold-const.c (fold_convertible_p): Correct the logic to follow
2378 that in fold_convert().
2380 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
2383 * tree-inline.c (build_duplicate_type): When we make a
2384 duplicate type, make it unique in the canonical types system.
2386 2008-02-29 Tom Tromey <tromey@redhat.com>
2388 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2389 input_file_stack_history, input_file_stack_restored): Remove.
2390 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2391 * input.h (struct file_stack): Remove.
2392 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2393 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2395 * diagnostic.h (struct diagnostic_context) <last_module>: Change
2397 (diagnostic_last_module_changed): Add 'map' argument.
2398 (diagnostic_set_last_function): Likewise.
2399 * diagnostic.c (undiagnostic_report_current_module): Iterate using
2400 line map, not input_file_stack.
2401 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2403 2008-02-29 Paul Brook <paul@codesourcery.com>
2405 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2407 2008-02-29 Paul Brook <paul@codesourcery.com>
2409 * config/arm/ieee754-df.S (muldf3): Use RET macros.
2411 2008-02-29 Richard Guenther <rguenther@suse.de>
2413 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2415 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2416 value for comparing for a store match.
2417 (simplify_unary_expression): Do nothing for SSA_NAMEs.
2418 (try_to_simplify): Do not do a full-blown reference lookup.
2420 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2422 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2423 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2425 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2427 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
2429 * tree-loop-linear.c (try_interchange_loops): Compare memory access
2430 strides against cache sizes.
2432 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2434 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2437 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
2439 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2440 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2441 is smaller than the original promoted value.
2442 (simplify_subreg): If OP is a SUBREG, try to preserve its
2443 SUBREG_PROMOTED_VAR_P information.
2445 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2447 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2448 (VN_INFO_GET): Allocate new objects on the obstack.
2449 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
2450 for rpo_numbers_temp, for consistency.
2451 (free_scc_vn): Free the obstack.
2453 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
2455 * doc/invoke.texi: Document -ftree-loop-distribution.
2456 * tree-loop-distribution.c: New.
2457 * tree-pass.h (pass_loop_distribution): New.
2458 * graphds.h (struct graph): Add htab_t indices.
2459 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2460 * tree-vectorizer.c (rename_variables_in_loop): Extern.
2461 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2462 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2463 * tree-data-ref.c (debug_data_dependence_relations): New.
2464 (dump_data_dependence_relation): Also print data references.
2465 (free_data_ref): Extern.
2466 (same_access_functions): Moved...
2467 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2468 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2469 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2470 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2471 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2472 (stmts_from_loop): Skip LABEL_EXPR.
2473 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2475 (build_rdg): Initialize rdg->indices htab.
2476 (free_rdg, stores_from_loop, ref_base_address,
2477 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2478 have_similar_memory_accesses_1, ref_base_address_1,
2479 remove_similar_memory_refs): New.
2480 * tree-data-ref.h: Depend on tree-chrec.h.
2481 (debug_data_dependence_relations, free_data_ref): Declared.
2482 (same_access_functions): ... here.
2483 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2485 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2486 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2487 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2488 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2489 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2490 rdg_vertex_for_stmt): Declared.
2491 (struct rdg_edge): Add level.
2493 (free_rdg, stores_from_loop, remove_similar_memory_refs,
2494 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2496 (rdg_has_similar_memory_accesses): New.
2497 * tree-vect-analyze.c: Remove unused static decls.
2498 * lambda.h (dependence_level): New.
2499 * common.opt (ftree-loop-distribution): New.
2500 * tree-flow.h (mark_virtual_ops_in_bb,
2501 slpeel_tree_duplicate_loop_to_edge_cfg,
2502 rename_variables_in_loop): Declared.
2503 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2504 (OBJS-common): Add tree-loop-distribution.o.
2505 (tree-loop-distribution.o): New rule.
2506 * tree-cfg.c (mark_virtual_ops_in_bb): New.
2507 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2508 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2510 2008-02-28 Joseph Myers <joseph@codesourcery.com>
2513 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2514 other than structures and unions.
2516 2008-02-28 Richard Guenther <rguenther@suse.de>
2519 2008-02-26 Richard Guenther <rguenther@suse.de>
2521 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2522 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2523 (lookup_decl_from_uid): Declare.
2524 (remove_decl_from_map): Likewise.
2525 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2526 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2527 (decl_for_uid_map): New global hashtable mapping DECL_UID
2529 (init_ttree): Allocate it.
2530 (insert_decl_to_uid_decl_map): New helper function.
2531 (make_node_stat): Insert new decls into the map.
2532 (copy_node_stat): Likewise.
2533 (lookup_decl_from_uid): New function.
2534 (remove_decl_from_map): Likewise.
2535 (print_decl_for_uid_map_statistics): New helper.
2536 (dump_tree_statistics): Call it.
2538 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2539 (referenced_var_iterator): Adjust.
2540 (FOR_EACH_REFERENCED_VAR): Adjust.
2541 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2542 (num_referenced_vars): Adjust.
2543 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2544 (first_referenced_var): Remove.
2545 (end_referenced_vars_p): Likewise.
2546 (next_referenced_var): Likewise.
2547 (referenced_var_iterator_set): New helper function.
2548 * tree-dfa.c (referenced_var_lookup): Adjust.
2549 (referenced_var_check_and_insert): Likewise.
2550 (remove_referenced_var): Likewise.
2551 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2552 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2553 (verify_call_clobbering): Likewise.
2554 (verify_memory_partitions): Likewise.
2555 (init_tree_ssa): Allocate bitmap instead of hashtable for
2557 (delete_tree_ssa): Adjust.
2558 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2559 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2560 (compute_tag_properties): Likewise.
2561 (set_initial_properties): Likewise.
2562 (find_partition_for): Likewise.
2563 (update_reference_counts): Likewise.
2564 (dump_may_aliases_for): Likewise.
2565 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2566 (add_call_clobber_ops): Likewise.
2567 (add_call_read_ops): Likewise.
2568 (get_asm_expr_operands): Likewise.
2569 * tree-into-ssa.c (dump_decl_set): Likewise.
2570 (update_ssa): Likewise.
2571 * tree-sra.c (scan_function): Likewise.
2572 (decide_instantiations): Likewise.
2573 (scalarize_parms): Likewise.
2574 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2575 (dsa_named_for): Likewise.
2576 * tree-ssa-structalias.c (update_alias_info): Likewise.
2577 (merge_smts_into): Likewise.
2579 2008-02-27 David Daney <ddaney@avtrex.com>
2582 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2583 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2584 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2585 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2586 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2588 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
2591 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2592 (BUILT_IN_NEXTTOWARD): Remove.
2593 (BUILT_IN_NEXTTOWARDF): Ditto.
2594 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2595 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
2597 2008-02-27 Tom Tromey <tromey@redhat.com>
2599 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2600 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2602 2008-02-27 Jan Beulich <jbeulich@novell.com>
2604 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2605 update the respective field on newdecl.
2607 2008-02-27 Revital Eres <eres@il.ibm.com>
2609 PR rtl-optimization/34999
2610 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2611 crossing edges that ends with a call insn.
2612 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2613 call insn and clear the EDGE_CROSSING flag of the crossing edge
2614 when fixing fallthru edges.
2616 2008-02-27 Richard Guenther <rguenther@suse.de>
2619 * fold-const.c (fold_unary): Return the correct argument,
2620 converted to the result type.
2622 2008-02-27 Richard Guenther <rguenther@suse.de>
2625 * expr.c (expand_expr_real_1): Assert on rotates that operate
2627 * fold-const.c (fold_binary): Use the types precision, not the
2628 bitsize of the mode if folding rotate expressions. Build rotates
2629 only for full modes.
2631 2008-02-27 Jakub Jelinek <jakub@redhat.com>
2633 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2635 * c-pragma.c (pragma_ns_name): New typedef.
2636 (registered_pp_pragmas): New variable.
2637 (c_pp_lookup_pragma): New function.
2638 (c_register_pragma_1): If flag_preprocess_only, do nothing
2639 for non-expanded pragmas, for expanded ones push pragma's
2640 namespace and name into registered_pp_pragmas vector.
2641 (c_invoke_pragma_handler): Register OpenMP pragmas even when
2642 flag_preprocess_only, don't register GCC pch_preprocess
2643 pragma if flag_preprocess_only.
2644 * c-opts.c (c_common_init): Call init_pragma even if
2645 flag_preprocess_only.
2646 * c-pragma.c (c_pp_lookup_pragma): New prototype.
2647 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2648 cpp_register_pragma if flag_preprocess_only.
2650 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2653 * c-parser.c (c_parser_translation_unit): Warn for empty
2654 translation unit, not empty source file.
2656 2008-02-26 Paul Brook <paul@codesourcery.com>
2658 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2659 operand for Thumb-2.
2660 * config/arm/arm.h (reg_class): Add CORE_REGS.
2661 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2662 (BASE_REG_CLASS): Use CORE_REGS.
2663 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2664 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2665 (REGNO_OK_FOR_INDEX_P): Exclude SP.
2666 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
2667 ARM_REGNO_OK_FOR_INDEX_P.
2668 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2669 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2670 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2671 (ldm/stm peepholes): Ditto.
2672 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2673 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2674 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2675 * config/arm/constraints.md: Enable "k" constraint on ARM.
2677 2008-02-27 Ben Elliston <bje@au.ibm.com>
2679 * config/rs6000/rs6000.c: Annotate cache line size field in all
2680 instances of struct processor_costs.
2682 2008-02-26 David Edelsohn <edelsohn@gnu.org>
2684 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2685 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2686 jump_bypass): New counters.
2687 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2688 * dce.c (gate_ud_dce): Same.
2689 (gate_fast_dce): Same.
2690 * dse.c (gate_dse1): New function.
2691 (gate_dse2): New function.
2692 (gate_dse): Merge results of new gate functions.
2693 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2694 (gate_handle_jump_bypass): Add dbg_cnt.
2695 (gate_handle_gcse): Add dbg_cnt.
2696 * ifcvt.c (gate_handle_if_conversion): Same.
2697 (gate_handle_if_after_combine): Same.
2698 (gate_handle_if_after_reload): Same.
2699 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2701 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
2703 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2705 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2707 2008-02-26 Jason Merrill <jason@redhat.com>
2710 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
2711 alone if it's the naming decl for the type's main variant.
2713 2008-02-26 Tom Tromey <tromey@redhat.com>
2715 * system.h (USE_MAPPED_LOCATION): Poison.
2716 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2717 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2718 (make_goto_expr_edges): Likewise.
2719 (remove_bb): Likewise.
2720 (execute_warn_function_return): Likewise.
2721 * basic-block.h (struct edge_def) <goto_locus>: Change type to
2723 * c-common.c (fname_decl): Remove old location code.
2724 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2726 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2728 (ASM_INPUT_SOURCE_LOCATION): Likewise.
2729 (gen_rtx_ASM_INPUT): Likewise.
2730 (gen_rtx_ASM_INPUT_loc): Likewise.
2731 (get_rtx_asm_OPERANDS): Remove.
2732 * cfglayout.c (insn_locators_alloc): Remove old location code.
2733 (set_curr_insn_source_location): Likewise.
2734 (curr_insn_locator): Likewise.
2735 * print-tree.c (print_node): Remove old location code.
2736 * tree-mudflap.c (mf_varname_tree): Remove old location code.
2737 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2738 * cfgexpand.c (expand_gimple_cond_expr): Don't use
2739 location_from_locus.
2740 (construct_exit_block): Remove old location code.
2741 * emit-rtl.c (force_next_line_note): Remove old location code.
2742 * profile.c (branch_prob): Remove old location code.
2743 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2744 LOC_LINE): Remove old-location variants.
2745 * langhooks.c (lhd_print_error_function): Remove old location
2747 * configure, config.in: Rebuilt.
2748 * configure.ac (--enable-mapped-location): Remove.
2749 * c-decl.c (c_init_decl_processing): Remove old location code.
2750 (finish_function): Likewise.
2751 * recog.c (decode_asm_operands): Remove old location code.
2752 * c-pch.c (c_common_read_pch): Remove old location code.
2753 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2755 * gimple-low.c (lower_function_body): Remove old location code.
2756 * toplev.c (unknown_location): Remove.
2757 (push_srcloc): Remove old-location variant.
2758 (process_options): Remove old location code.
2759 (lang_dependent_init): Likewise.
2760 * input.h (UNKNOWN_LOCATION): Move definition.
2761 (location_t): Undeprecate.
2762 (source_locus): Remove.
2763 (location_from_locus): Remove.
2764 (struct location_s): Remove.
2765 Remove all old-location code.
2766 (input_line, input_filename): Remove.
2767 * final.c (final_scan_insn): Remove old location code.
2768 * diagnostic.c (diagnostic_build_prefix): Remove
2769 USE_MAPPED_LOCATION test.
2770 * tree.h (gimple_stmt) <locus>: Now a location_t.
2771 (tree_exp) <locus>: Likewise.
2772 (DECL_IS_BUILTIN): Remove old-location variant.
2773 (annotate_with_file_line, annotate_with_locus): Likewise.
2774 (expr_locus, set_expr_locus): Update.
2775 * tree.c (build1_stat): Remove old location code.
2776 (last_annotated_node): Remove.
2777 (annotate_with_file_line): Remove old-location variant.
2778 (annotate_with_locus): Likewise.
2779 (expr_location): Remove old location code.
2780 (set_expr_location): Likewise.
2781 (expr_has_location): Likewise.
2782 (expr_locus): Likewise.
2783 (set_expr_locus): Likewise.
2784 (expr_filename): Don't use location_from_locus.
2785 (expr_lineno): Likewise.
2786 * rtl-error.c (location_for_asm): Remove old location code.
2787 * c-lex.c (cb_line_change): Remove old location code.
2788 (fe_file_change): Likewise.
2789 (cb_def_pragma): Likewise.
2790 (c_lex_with_flags): Likewise.
2791 * gengtype.c (do_typedef): Don't special-case location types.
2792 (define_location_structures): Remove.
2793 (main): Don't call define_location_structures.
2794 * tree-pretty-print.c (dump_implicit_edges): Remove old location
2797 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2800 * builtins.def (BUILT_IN_STDARG_START): Remove.
2801 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2802 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2803 * tree-inline.c (inline_forbidden_p_1): Likewise.
2805 2008-02-26 Richard Guenther <rguenther@suse.de>
2807 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2808 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2809 (lookup_decl_from_uid): Declare.
2810 (remove_decl_from_map): Likewise.
2811 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2812 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2813 (decl_for_uid_map): New global hashtable mapping DECL_UID
2815 (init_ttree): Allocate it.
2816 (insert_decl_to_uid_decl_map): New helper function.
2817 (make_node_stat): Insert new decls into the map.
2818 (copy_node_stat): Likewise.
2819 (lookup_decl_from_uid): New function.
2820 (remove_decl_from_map): Likewise.
2821 (print_decl_for_uid_map_statistics): New helper.
2822 (dump_tree_statistics): Call it.
2824 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2825 (referenced_var_iterator): Adjust.
2826 (FOR_EACH_REFERENCED_VAR): Adjust.
2827 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2828 (num_referenced_vars): Adjust.
2829 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2830 (first_referenced_var): Remove.
2831 (end_referenced_vars_p): Likewise.
2832 (next_referenced_var): Likewise.
2833 (referenced_var_iterator_set): New helper function.
2834 * tree-dfa.c (referenced_var_lookup): Adjust.
2835 (referenced_var_check_and_insert): Likewise.
2836 (remove_referenced_var): Likewise.
2837 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2838 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2839 (verify_call_clobbering): Likewise.
2840 (verify_memory_partitions): Likewise.
2841 (init_tree_ssa): Allocate bitmap instead of hashtable for
2843 (delete_tree_ssa): Adjust.
2844 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2845 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2846 (compute_tag_properties): Likewise.
2847 (set_initial_properties): Likewise.
2848 (find_partition_for): Likewise.
2849 (update_reference_counts): Likewise.
2850 (dump_may_aliases_for): Likewise.
2851 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2852 (add_call_clobber_ops): Likewise.
2853 (add_call_read_ops): Likewise.
2854 (get_asm_expr_operands): Likewise.
2855 * tree-into-ssa.c (dump_decl_set): Likewise.
2856 (update_ssa): Likewise.
2857 * tree-sra.c (scan_function): Likewise.
2858 (decide_instantiations): Likewise.
2859 (scalarize_parms): Likewise.
2860 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2861 (dsa_named_for): Likewise.
2862 * tree-ssa-structalias.c (update_alias_info): Likewise.
2863 (merge_smts_into): Likewise.
2865 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2868 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2869 * c-opts.c (c_common_handle_option): Wall enables
2870 Wvolatile-register-var.
2871 * common.opt: Move Wvolatile-register-var to...
2874 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2876 * common.opt (Wlarger-than=): New.
2877 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2879 * opts.c (common_handle_option): Handle -Wlarger-than=.
2880 * optc-gen.awk: Likewise.
2881 * opth-gen.awk: Likewise.
2882 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2883 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2885 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2887 * c-common.c (match_case_to_enum_1): Add appropriate
2888 OPT_W* parameter to warning.
2889 (c_do_switch_warnings): Likewise.
2890 * c-typeck.c (warning_init): Add one more parameter following
2892 (push_init_level): Update call to warning_init.
2893 (pop_init_level): Likewise.
2894 (add_pending_init): Likewise.
2895 (output_init_element: Likewise.
2897 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2900 * toplev.c (toplev_main): If there are warnings or error, print
2901 errors for ignored options.
2902 * opts.c (ignored_options): New static variable.
2903 (postpone_unknown_option_error): New.
2904 (print_ignored_options): New.
2905 (handle_option): Postpone errors for unknown -Wno-* options.
2906 * opts.h (print_ignored_options): Declare.
2908 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
2910 * config/mips/mips.md (loadgp_blockage, blockage): Change type
2913 2008-02-25 Richard Guenther <rguenther@suse.de>
2916 2008-02-25 Richard Guenther <rguenther@suse.de>
2918 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2919 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2920 (lookup_decl_from_uid): Declare.
2921 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2922 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2923 (decl_for_uid_map): New global hashtable mapping DECL_UID
2925 (init_ttree): Allocate it.
2926 (insert_decl_to_uid_decl_map): New helper function.
2927 (make_node_stat): Insert new decls into the map.
2928 (copy_node_stat): Likewise.
2929 (lookup_decl_from_uid): New function.
2930 (print_decl_for_uid_map_statistics): New helper.
2931 (dump_tree_statistics): Call it.
2933 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2934 (referenced_var_iterator): Adjust.
2935 (FOR_EACH_REFERENCED_VAR): Adjust.
2936 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2937 (num_referenced_vars): Adjust.
2938 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2939 (first_referenced_var): Remove.
2940 (end_referenced_vars_p): Likewise.
2941 (next_referenced_var): Likewise.
2942 (referenced_var_iterator_set): New helper function.
2943 * tree-dfa.c (referenced_var_lookup): Adjust.
2944 (referenced_var_check_and_insert): Likewise.
2945 (remove_referenced_var): Likewise.
2946 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2947 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2948 (verify_call_clobbering): Likewise.
2949 (verify_memory_partitions): Likewise.
2950 (init_tree_ssa): Allocate bitmap instead of hashtable for
2952 (delete_tree_ssa): Adjust.
2953 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2954 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2955 (compute_tag_properties): Likewise.
2956 (set_initial_properties): Likewise.
2957 (find_partition_for): Likewise.
2958 (update_reference_counts): Likewise.
2959 (dump_may_aliases_for): Likewise.
2960 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2961 (add_call_clobber_ops): Likewise.
2962 (add_call_read_ops): Likewise.
2963 (get_asm_expr_operands): Likewise.
2964 * tree-into-ssa.c (dump_decl_set): Likewise.
2965 (update_ssa): Likewise.
2966 * tree-sra.c (scan_function): Likewise.
2967 (decide_instantiations): Likewise.
2968 (scalarize_parms): Likewise.
2969 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2970 (dsa_named_for): Likewise.
2971 * tree-ssa-structalias.c (update_alias_info): Likewise.
2972 (merge_smts_into): Likewise.
2974 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2977 * doc/invoke.texi (-fcx-limited-range): Document new option.
2978 * toplev.c (process_options): Handle -fcx-fortran-rules.
2979 * common.opt: Add documentation for -fcx-fortran-rules.
2981 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2984 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2985 actual behaviour and C99.
2987 2008-02-26 Ben Elliston <bje@au.ibm.com>
2989 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2990 (ASM_CPU_POWER6_SPEC): Likewise.
2991 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2992 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2993 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2995 2008-02-25 Richard Guenther <rguenther@suse.de>
2997 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2998 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2999 (lookup_decl_from_uid): Declare.
3000 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3001 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3002 (decl_for_uid_map): New global hashtable mapping DECL_UID
3004 (init_ttree): Allocate it.
3005 (insert_decl_to_uid_decl_map): New helper function.
3006 (make_node_stat): Insert new decls into the map.
3007 (copy_node_stat): Likewise.
3008 (lookup_decl_from_uid): New function.
3009 (print_decl_for_uid_map_statistics): New helper.
3010 (dump_tree_statistics): Call it.
3012 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3013 (referenced_var_iterator): Adjust.
3014 (FOR_EACH_REFERENCED_VAR): Adjust.
3015 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3016 (num_referenced_vars): Adjust.
3017 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3018 (first_referenced_var): Remove.
3019 (end_referenced_vars_p): Likewise.
3020 (next_referenced_var): Likewise.
3021 (referenced_var_iterator_set): New helper function.
3022 * tree-dfa.c (referenced_var_lookup): Adjust.
3023 (referenced_var_check_and_insert): Likewise.
3024 (remove_referenced_var): Likewise.
3025 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3026 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3027 (verify_call_clobbering): Likewise.
3028 (verify_memory_partitions): Likewise.
3029 (init_tree_ssa): Allocate bitmap instead of hashtable for
3031 (delete_tree_ssa): Adjust.
3032 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3033 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3034 (compute_tag_properties): Likewise.
3035 (set_initial_properties): Likewise.
3036 (find_partition_for): Likewise.
3037 (update_reference_counts): Likewise.
3038 (dump_may_aliases_for): Likewise.
3039 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3040 (add_call_clobber_ops): Likewise.
3041 (add_call_read_ops): Likewise.
3042 (get_asm_expr_operands): Likewise.
3043 * tree-into-ssa.c (dump_decl_set): Likewise.
3044 (update_ssa): Likewise.
3045 * tree-sra.c (scan_function): Likewise.
3046 (decide_instantiations): Likewise.
3047 (scalarize_parms): Likewise.
3048 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3049 (dsa_named_for): Likewise.
3050 * tree-ssa-structalias.c (update_alias_info): Likewise.
3051 (merge_smts_into): Likewise.
3053 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
3056 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3057 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3058 * alias.h (nonoverlapping_memrefs_p): Likewise.
3060 2008-02-25 Jan Beulich <jbeulich@novell.com>
3062 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3063 * config/i386/netware-libgcc.exp: Add __bswap?i2,
3064 __emultls_get_address, __emultls_register_common,
3065 __floatundi?f, and _Unwind_GetIPInfo.
3066 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3067 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3068 (gen_regparm_prefix): Likewise.
3069 (i386_nlm_encode_section_info): Sync with
3070 config/i386/winnt.c:i386_pe_encode_section_info().
3071 (i386_nlm_maybe_mangle_decl_assembler_name): New.
3072 i386_nlm_mangle_decl_assembler_name): New.
3073 (netware_override_options): New.
3074 * config/i386/netware.h (netware_override_options): Declare.
3075 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3076 (i386_nlm_mangle_decl_assembler_name): Declare.
3077 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3079 2008-02-25 Ben Elliston <bje@au.ibm.com>
3082 * c-decl.c (grokdeclarator): Remove unused local variables
3083 `typedef_type' and `type_as_written'.
3085 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3086 unused local variable `has_hot_blocks'.
3087 (fix_crossing_conditional_branches): Remove unused local variable
3090 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
3093 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3094 using DEF_C99_BUILTIN.
3095 (BUILT_IN_NANF): Ditto.
3096 (BUILT_IN_NANL): Ditto.
3098 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
3099 Revital Eres <eres@il.ibm.com>
3101 * modulo-sched.c (calculate_must_precede_follow): Address TODO
3102 regarding the order of two dependent insns in the same row.
3104 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
3106 * stor-layout.c (layout_decl): Do not bump the alignment of a
3107 bit-field to more than byte alignment if it is packed.
3109 2008-02-24 David Edelsohn <edelsohn@gnu.org>
3111 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3114 2008-02-24 Diego Novillo <dnovillo@google.com>
3116 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3119 * tree-vrp.c (vrp_evaluate_conditional): With
3120 -Wtype-limits, emit a warning when comparing against a
3121 constant outside the natural range of OP0's type.
3122 * c.opt (Wtype-limits): Move ...
3123 * common.opt (Wtype-limits): ... here.
3125 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
3127 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3128 * config/rs6000/e300c2c3.md: New file.
3129 * config/rs6000/rs6000.c (processor_costs): Add new costs for
3131 (rs6000_override_options): Add e300c2 and e300c3 cases to
3132 processor_target_table. Do not allow usage of Altivec or Spe
3133 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3134 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3135 * config/rs6000/rs6000.h (processor_type): Add
3136 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3137 (ASM_CPU_SPEC): Add e300c2 and e300c3.
3138 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3139 and ppce300c3. Include e300c2c3.md.
3141 2008-02-23 David Edelsohn <edelsohn@gnu.org>
3143 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3144 instead of TARGET_STRICT_ALIGN.
3146 2008-02-23 Joseph Myers <joseph@codesourcery.com>
3148 * explow.c (memory_address): Assert that the generated address is
3151 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3154 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3155 * config/darwin-ppc-ldouble-patch.def: New file.
3156 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3157 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3158 SUBTARGET_INIT_BUILTINS if defined.
3159 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3162 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
3165 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3166 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3168 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
3171 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3172 file" warning condtional on -Winvalid-PCH.
3174 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
3176 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3178 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
3182 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3183 prevent reload from using MMX registers.
3184 (*mov<mode>_internal): Ditto.
3185 (*movv2sf_internal_rex64): Ditto.
3186 (*movv2sf_internal): Ditto.
3188 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3190 PR documentation/31569
3191 * doc/install.texi2html: Use makeinfo --no-number-sections.
3193 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3195 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3196 ensure that we can address an entire entity > 8 bytes. Don't
3197 generate reg+reg addressing for such data.
3199 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3201 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3202 strings when optimizing for size, unless the target cares about
3205 2008-02-22 Tom Tromey <tromey@redhat.com>
3207 * regclass.c (current_pass): Remove declaration.
3209 2008-02-22 Anatoly Sokolov <aesok@post.ru>
3211 * config/avr/libgcc.S (__RAMPZ__): Define.
3212 (__do_copy_data): Add for devices with 128KB code memory.
3214 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3216 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3218 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3220 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
3222 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3225 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3228 * c-typeck.c (build_binary_op): Warn about floating point
3229 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3231 2008-02-21 Janis Johnson <janis187@us.ibm.com>
3234 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3235 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3237 (rs6000_override_options): Set altivec_abi as default, not override,
3238 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3239 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3240 is used; use new member spe_abi.
3241 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3242 spe_abi and altivec_abi.
3244 2008-02-22 Tomas Bily <tbily@suse.cz>
3246 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3248 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3251 * config.build (build_file_translate): Set to `CMD //c' only if
3253 * Makefile.in (build_file_translate): Improve comment.
3255 2008-02-21 Jan Hubicka <jh@suse.cz>
3257 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3258 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3259 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3261 2008-02-21 Michael Matz <matz@suse.de>
3264 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3266 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
3268 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3269 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3271 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3272 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3273 SSE_VEC_FLOAT_MODE_P as insn constraint.
3274 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3275 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3276 sse4a_movntdf using MODEF mode iterator.
3277 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3278 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3279 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3280 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3281 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3282 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3283 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3285 2008-02-21 Richard Guenther <rguenther@suse.de>
3287 * tree.def (PAREN_EXPR): New tree code.
3288 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3290 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3291 * expr.c (expand_expr_real_1): Likewise.
3292 * tree-inline.c (estimate_num_insns_1): Likewise.
3293 * tree-complex.c (expand_complex_move): Likewise.
3294 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3297 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
3300 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3302 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
3305 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3307 * config/sh/sh.c (find_barrier): Don't go past
3308 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3310 2008-02-20 DJ Delorie <dj@redhat.com>
3312 * config/h8300/h8300.md (insv): Force source operand to be a register.
3314 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3315 as a jump, not as a plain insn.
3317 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
3319 * doc/invoke.texi (Warning Options): Add new option
3320 -Wframe-larger-than=.
3321 (-Wframe-larger-than): Document.
3323 * flags.h (warn_frame_larger_than, frame_larger_than_size):
3324 Add declarations for new option variables.
3326 * final.c (final_start_function): Check the frame size
3327 before emission and issue a Wframe-larger-than warning.
3329 * opts.c (warn_frame_larger_than, frame_larger_than_size):
3330 Add definitions for new option variables.
3331 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3333 * common.opt (Wframe-larger-than=): New option.
3335 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
3337 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3338 (<sse>_div<mode>3): Ditto.
3339 (<sse>_vmdiv<mode>3): Ditto.
3340 (<sse>_vmsqrt<mode>2): Ditto.
3341 (*smax<mode>3): Ditto.
3342 (sse5_frcz<mode>2): Ditto.
3343 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
3346 2008-02-20 Richard Guenther <rguenther@suse.de>
3349 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3350 be happy with INTEGRAL_TYPE_P.
3352 2008-02-20 Richard Guenther <rguenther@suse.de>
3354 * fold-const.c (split_tree): Associate floatig-point expressions
3355 if flag_associative_math is set.
3357 2008-02-20 Richard Guenther <rguenther@suse.de>
3359 * tree.h (fold_real_zero_addition_p): Declare.
3360 * fold-const.c (fold_real_zero_addition_p): Export.
3361 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3362 floating-point operations with zero and one.
3364 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
3366 * doc/install.texi: Correct references to CFLAGS, replacing them
3367 with BOOT_CFLAGS. Document flags used during bootstrap for
3370 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
3372 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3373 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3374 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3376 (smin<mode>3): Ditto from similar patterns.
3377 (smax<mode>3): Ditto.
3378 (*ieee_smin<mode>3): Ditto.
3379 (*ieee_smax<mode>3): Ditto.
3380 * config/i386/sse.md (sse): New mode attribute.
3381 (mov<mode>): Macroize expander from movv4sf and movv2df using
3382 SSEMODEF2P mode iterator.
3383 (<sse>_movnt<mode>): Ditto from similar patterns. Use
3384 SSE_VEC_FLOAT_MODE_P as insn constraint.
3385 (storent<mode>): Ditto.
3386 (storent<mode>): Macroize expander from storentsf and storentdf using
3387 MODEF mode iterator.
3388 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3389 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3390 (abs<mode>2): Ditto from similar patterns.
3391 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3392 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3393 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3394 (<sse>_vmsqrt<mode>2): Ditto.
3395 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3396 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3397 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3398 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3399 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3400 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3401 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3403 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3404 iterator and SSE_FLOAT_MODE_P as insn constraint.
3405 (<sse>_ucomi): Ditto from similar patterns.
3406 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3407 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3408 SSE_VEC_FLOAT_MODE_P as insn constraint.
3409 (vcond<mode>): Ditto from similar patterns.
3410 (and<mode>3, *and<mode>3): Ditto.
3411 (<sse>_nand<mode>3): Ditto.
3412 (ior<mode>3, *ior<mode>3): Ditto.
3413 (xor<mode>3, *xor<mode>3): Ditto.
3414 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3415 iterator and SSE_FLOAT_MODE_P as insn constraint.
3416 (*nand<mode>3): Ditto from similar patterns.
3417 (*ior<mode>3): Ditto.
3418 (*xor<mode>3): Ditto.
3420 2008-02-20 Ira Rosen <irar@il.ibm.com>
3422 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3423 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3424 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3426 2008-02-19 Jan Hubicka <jh@suse.cz>
3428 * predict.c (tree_bb_level_predictions): Remove variable next
3429 mistakely introduced by previous commit.
3431 2008-02-19 Jan Hubicka <jh@suse.cz>
3433 * predict.c (predict_paths_leading_to): Rewrite.
3434 (predict_paths_for_bb): New.
3435 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3437 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3440 * Makefile.in (build_file_translate): New.
3441 (gcc-vers.texi): Use it for translating $(abs_srcdir).
3442 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3443 * configure.ac (build_file_translate): Substitute it.
3444 * configure: Regenerate.
3446 2008-02-19 Jan Hubicka <jh@suse.cz>
3448 PR rtl-optimization/34408
3449 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3452 2008-02-19 Jan Hubicka <jh@suse.cz>
3455 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3458 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
3461 * config/i386/i386-modes.def: Revert the last DI alignment
3462 change until Ada people can look into it.
3464 2008-02-19 Nick Clifton <nickc@redhat.com>
3466 * opts.c (print_specific_help): Fix typo in --help text.
3468 2008-02-19 Jakub Jelinek <jakub@redhat.com>
3471 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3472 32-bit inline asm without asm alternatives for host GCC < 3.0.
3474 2008-02-19 Richard Guenther <rguenther@suse.de>
3476 PR tree-optimization/34989
3477 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3478 Allow propagation to INDIRECT_REF if we can simplify only.
3480 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3482 * c-common.c (warn_for_collisions_1): Use appropriate option when
3485 2008-02-19 Nick Clifton <nickc@redhat.com>
3488 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3489 (handle_options): Fix indentation.
3490 (print_filtered_help): If no language-specific options were
3491 displayed tell the user how to list all the options supported by
3492 the language's front-end.
3493 (print_specific_help): Fix indentation and remove duplicate line.
3494 (common_handle_option): Handle the -v option.
3495 For --help enable the display of undocumented options if the -v
3496 switch has been included on the command line.
3497 For --help= check for overlaps in the arguments between the option
3498 classes and the language names and issue a warning when they
3499 cannot be disambiguated.
3500 * c.opt (v): Pass on to the common option handler.
3502 2008-02-19 Revital Eres <eres@il.ibm.com>
3504 * modulo-sched.c (sms_schedule): Change dump message when
3505 create_ddg function fails.
3506 (try_scheduling_node_in_cycle): Rename row to cycle.
3507 (print_partial_schedule): Rename CYCLE to ROW.
3509 2008-02-19 Christian Bruel <christian.bruel@st.com>
3510 Zdenek Dvorak <ook@ucw.cz>
3512 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3514 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
3517 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3518 (*x86_movdicc_0_m1_se): Ditto.
3520 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
3522 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3523 (CMPtype): Define as __gcc_CMPtype.
3524 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3525 (CMPtype): Define as __gcc_CMPtype.
3527 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
3529 Support valgrind 3.3 for --enable-checking=valgrind.
3530 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3532 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3533 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3534 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3535 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3536 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3537 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3538 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3540 * ggc-zone.c: Similar.
3541 * ggc-page.c: Similar.
3543 2008-02-19 Paul Brook <paul@codesourcery.com>
3546 * config/arm/ieee754-df.S: Fix do_it typo.
3547 * config/arm/ieee754-sf.S: Fix do_it typo.
3549 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3552 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3553 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3554 (OPTION_MASK_ISA_SSE_SET): Likewise.
3555 (OPTION_MASK_ISA_SSE2_SET): Likewise.
3556 (OPTION_MASK_ISA_SSE3_SET): Likewise.
3557 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3558 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3559 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3560 (OPTION_MASK_ISA_SSE4_SET): Likewise.
3561 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3562 (OPTION_MASK_ISA_SSE5_SET): Likewise.
3563 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3564 (OPTION_MASK_ISA_MMX_UNSET): Updated.
3565 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3566 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3567 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3568 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3569 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3570 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3571 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3572 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3573 (OPTION_MASK_ISA_SSE4): Removed.
3574 (ix86_handle_option): Turn on bits in ix86_isa_flags and
3575 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3576 (override_options): Don't turn on implied SSE/MMX bits in
3579 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3581 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3584 2008-02-18 Joey Ye <joey.ye@intel.com>
3587 * tree-nested.c (insert_field_into_struct): Set type alignment
3588 to field alignment if the former is less than the latter.
3590 2008-02-18 Jakub Jelinek <jakub@redhat.com>
3592 * BASE-VER: Set to 4.4.0.
3594 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3596 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3597 * doc/cfg.texi: Likewise.
3598 * doc/extend.texi: Likewise.
3599 * doc/gty.texi: Likewise.
3600 * doc/invoke.texi: Likewise.
3601 * doc/loop.texi: Likewise.
3602 * doc/md.texi: Likewise.
3603 * doc/passes.texi: Likewise.
3604 * doc/rtl.texi: Likewise.
3605 * doc/sourcebuild.texi: Likewise.
3606 * doc/tm.texi: Likewise.
3607 * doc/tree-ssa.texi: Likewise.
3609 2008-02-17 Richard Guenther <rguenther@suse.de>
3612 * tree-complex.c (init_parameter_lattice_values): Handle parameters
3613 without default definition.
3615 2008-02-17 Richard Guenther <rguenther@suse.de>
3617 PR tree-optimization/35231
3618 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3621 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
3624 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3625 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3626 libgcc_cmp_return mode.
3628 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3631 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3633 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
3635 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3638 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3640 * doc/c-tree.texi: Use `@.' where appropriate.
3641 * doc/extend.texi: Likewise.
3642 * doc/install.texi: Likewise.
3643 * doc/invoke.texi: Likewise.
3644 * doc/loop.texi: Likewise.
3645 * doc/makefile.texi: Likewise.
3646 * doc/md.texi: Likewise.
3647 * doc/passes.texi: Likewise.
3648 * doc/standards.texi: Likewise.
3649 * doc/tm.texi: Likewise.
3651 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3654 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3656 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3657 rather than in entry_bb.
3659 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3661 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3662 libgcc_cmp_return mode.
3664 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3667 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3668 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3670 2008-02-15 Richard Guenther <rguenther@suse.de>
3671 Zdenek Dvorak <ook@ucw.cz>
3673 PR tree-optimization/35164
3674 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3675 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3676 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3677 Only propagate addresses which do not have abnormal SSA_NAMEs
3680 2008-02-15 Joseph Myers <joseph@codesourcery.com>
3683 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3685 2008-02-15 Jan Hubicka <jh@suse.cz>
3688 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3690 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3693 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3694 when calculating alignment_pad.
3696 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3698 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3699 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3700 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3701 and STACK_BOUNDARY define.
3703 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
3705 PR preprocessor/35061
3706 * c-pragma.c (handle_pragma_pop_macro): Check that
3707 pushed_macro_table has been allocated.
3709 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
3712 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3713 (force_gimple_operand): Likewise.
3714 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3715 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3716 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3717 (find_interesting_uses_address): Check addressability and alignment
3718 of the base expression only after substituting bases of IVs into it.
3720 2008-02-14 Michael Matz <matz@suse.de>
3723 * function.c (instantiate_virtual_regs_in_insn): Reload address
3724 before falling back to reloading the whole operand.
3726 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
3728 * config/s390/s390.c (s390_mainpool_start): Emit the pool
3729 before the first section switch note.
3731 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3733 * doc/bugreport.texi: Update copyright years.
3734 * doc/c-tree.texi: Likewise.
3735 * doc/cfg.texi: Likewise.
3736 * doc/cpp.texi: Likewise.
3737 * doc/cppinternals.texi: Likewise.
3738 * doc/fragments.texi: Likewise.
3739 * doc/frontends.texi: Likewise.
3740 * doc/gcc.texi: Likewise.
3741 * doc/gty.texi: Likewise.
3742 * doc/hostconfig.texi: Likewise.
3743 * doc/implement-c.texi: Likewise.
3744 * doc/libgcc.texi: Likewise.
3745 * doc/loop.texi: Likewise.
3746 * doc/makefile.texi: Likewise.
3747 * doc/options.texi: Likewise.
3748 * doc/passes.texi: Likewise.
3749 * doc/rtl.texi: Likewise.
3750 * doc/sourcebuild.texi: Likewise.
3751 * doc/standards.texi: Likewise.
3752 * doc/tree-ssa.texi: Likewise.
3753 * doc/trouble.texi: Likewise.
3755 * doc/extend.texi: Use @: or add comma where appropriate.
3756 * doc/invoke.texi: Likewise.
3757 * doc/tm.texi: Likewise.
3759 2008-02-14 Alan Modra <amodra@bigpond.net.au>
3762 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3765 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
3767 * doc/md.texi (clz, ctz): Add reference.
3768 * doc/rtl.texi (clz, ctz): Likewise.
3770 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3773 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3776 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
3778 * config/s390/s390.c (struct constant_pool): New field
3779 emit_pool_after added.
3780 (s390_mainpool_start): Set the emit_pool_after flag according
3781 to the section switch notes.
3782 (s390_mainpool_finish): Consider emit_pool_after when emitting
3783 the literal pool at the end of the function.
3784 (s390_chunkify_start): Force literal pool splits at section
3787 2008-02-13 Michael Matz <matz@suse.de>
3790 * var-tracking.c (clobber_variable_part): Correctly traverse the
3793 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3796 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3797 Add -fdump-ipa-inline.
3798 * tree-dump.c (dump_files): Remove tree-inlined dump.
3799 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3801 2008-02-12 Richard Guenther <rguenther@suse.de>
3803 PR tree-optimization/35171
3804 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3807 2008-02-12 Richard Guenther <rguenther@suse.de>
3810 * fold-const.c (fold_widened_comparison): Use get_unwidened in
3811 value-preserving mode. Disallow final truncation.
3813 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
3816 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3817 code from here to...
3818 (force_gimple_operand): ...here.
3820 2008-02-12 Jakub Jelinek <jakub@redhat.com>
3823 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3824 non-compatible pointers.
3825 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3826 different FIELD_DECLs, try harder by comparing field offsets, sizes
3830 * function.c (match_asm_constraints_1): Don't replace the same input
3833 2008-02-12 Anatoly Sokolov <aesok@post.ru>
3835 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3836 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3837 (expand_epilogue): Restore RAMPZ register.
3838 * config/avr/avr.md (RAMPZ_ADDR): New constant.
3840 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
3842 * config/i386/cygwin.asm: (__alloca): Correct calling
3843 convention and alignment.
3844 (__chkstk): Force 8 byte stack alignment.
3846 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
3847 Richard Guenther <rguenther@suse.de>
3849 PR tree-optimization/33992
3850 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3851 the zero we compare against.
3853 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
3856 * gthr-win32.h (__gthread_mutex_destroy_function): New function
3857 to CloseHandle after unlocking to prevent accumulation of handle
3860 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3863 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3864 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
3865 and update LABEL_NUSES during and after reload.
3867 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
3870 * combine.c (simplify_if_then_else): Make sure the comparison is
3871 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3873 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
3876 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3877 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3878 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3879 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3880 * tree.h (get_type_static_bounds): Likewise.
3882 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3884 * doc/invoke.texi (Option Summary, C++ Dialect Options)
3885 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3886 Make -Wfoo language annotations match what the compiler outputs.
3888 2008-02-08 Sa Liu <saliu@de.ibm.com>
3890 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
3891 intrinsics spu_convts, spu_convtu, spu_convtf.
3892 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3894 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
3896 * doc/extend.texi (Function Attributes) <noinline>: Mention
3897 asm ("") as method to keep calls.
3899 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3902 * doc/options.texi (Options): Replace references to opts.sh with
3904 * opts-common.c: Likewise.
3905 * optc-gen.awk: Likewise.
3907 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
3909 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3911 2008-02-07 Richard Henderson <rth@redhat.com>
3914 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3915 EXPR_LIST for the REG_EQUAL instead of a comparison with a
3918 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
3920 PR tree-optimization/35085
3921 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3922 for operand entry oe2 in addition to operand entry oe3 in order to
3923 expose more opportunities for vectorizer sum reduction.
3925 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3928 * Makefile.in (LIBS): Remove $(GMPLIBS).
3929 (cc1-dummy, cc1): Add $(GMPLIBS).
3931 2008-02-06 Jan Hubicka <jh@suse.cz>
3934 * i386.md (moddf_integer): Do not produce partial memory stalls for
3935 targets where it hurts.
3937 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
3940 * optabs.c (expand_float): Do not check for decimal modes when
3941 expanding unsigned integer through signed conversion.
3943 2008-02-06 Nick Clifton <nickc@redhat.com>
3945 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3946 inside the clobber with a match_operand and duplicated operand
3947 number in the constraint.
3948 (ineqbranchsi): Delete redundant comment.
3950 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3952 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
3953 builtin_define ("__USE_INIT_FINI__").
3954 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3956 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3958 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3960 PR documentation/30330
3961 * doc/invoke.texi (C++ Dialect Options)
3962 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3963 For each warning option -Wfoo that allows -Wno-foo, ensure both
3964 -Wfoo and -Wno-foo are listed in the option index. Fix index
3965 entry of -Wswitch-default, index -Wnormalized= including the
3966 `=', and -Wlarger-than-@var{len} including @var{len}.
3968 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3970 * config/i386/i386.md (floatunssisf2): Use
3971 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3972 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3973 Macroize expander using MODEF mode iterator.
3975 2008-02-05 Diego Novillo <dnovillo@google.com>
3977 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3980 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3982 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3985 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3987 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
3990 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3991 to indicate if a message should be generated.
3992 (init_cumulative_args): Updated.
3993 (function_value_32): Likewise.
3995 2008-02-05 Joseph Myers <joseph@codesourcery.com>
3997 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3999 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
4002 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4003 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4005 2008-02-04 Diego Novillo <dnovillo@google.com>
4007 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4010 * tree-vrp.c (vrp_evaluate_conditional): With
4011 -Wtype-limits, emit a warning when comparing against a
4012 constant outside the natural range of OP0's type.
4014 2008-02-04 Richard Guenther <rguenther@suse.de>
4017 * expr.c (count_type_elements): Give for unions instead of
4020 2008-02-04 Richard Guenther <rguenther@suse.de>
4023 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
4024 to TYPE_DOMAINs base type instead of using bitsizetype here.
4026 2008-02-03 Jason Merrill <jason@redhat.com>
4028 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
4030 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4033 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
4034 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
4035 (RS/6000 and PowerPC Options): Fix typos and markup.
4036 * doc/passes.texi (Tree-SSA passes): Likewise.
4038 2008-02-02 Michael Matz <matz@suse.de>
4041 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
4042 from record_last_reg_set_info.
4043 (record_last_reg_set_info): Take an RTX argument, iterate over all
4044 constituent hardregs.
4045 (record_last_set_info, record_opr_changes): Change calls to
4046 new signature or to record_last_reg_set_info_regno.
4048 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4050 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
4052 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
4054 PR rtl-optimization/34773
4055 * reg-notes.def (EQUAL): Mention significance of combination of
4056 REG_EQUAL and REG_RETVAL.
4057 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
4058 insn that has a REG_RETVAL.
4060 2008-02-01 Roger Sayle <roger@eyesopen.com>
4063 * configure.ac (--enable-fixed-point): Disable unless explicitly
4065 * configure: Regenerate.
4067 2008-02-01 Richard Guenther <rguenther@suse.de>
4070 * invoke.texi (-finline-limit): Remove no longer true parts
4071 of the documentation. Note that there is no default value.
4073 2008-02-01 Andrew Pinski <pinskia@gmail.com>
4074 Mark Mitchell <mark@codesourcery.com>
4075 Ben Elliston <bje@au.ibm.com>
4078 * doc/extend.texi (Other Builtins): Document.
4080 2008-01-31 Tom Browder <tom.browder@gmail.com>
4082 * doc/c-tree.texi (Types): Fix grammar.
4083 (Expression trees): Ditto.
4084 * doc/passes.texi (Tree-SSA passes): Ditto.
4086 * doc/configterms.texi (Configure Terms): Fix typo.
4087 * doc/cpp.texi (Common Predefined Macros): Ditto.
4088 * doc/md.texi (Machine Constraints): Ditto.
4090 * doc/makefile.texi (Makefile): Add comma.
4092 2008-01-31 Tom Browder <tom.browder@gmail.com>
4093 Gerald Pfeifer <gerald@pfeifer.com>
4095 * doc/sourcebuild.texi (Front End): Remove references to CVS
4096 and CVSROOT/modules.
4097 (Texinfo Manuals): Replace reference to CVS by one to SVN.
4098 (Back End): Remove reference to CVS.
4100 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
4103 * config/mips/mips.c (gen_load_const_gp): New function, taking a
4105 (mips16_gp_pseudo_reg): ...here.
4106 * config/mips/mips.md (load_const_gp): Replace with...
4107 (load_const_gp_<mode>): ...this :P-based insn.
4109 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4111 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4112 options. Minor fixes.
4113 (-std): Move reference to standards closer to where language
4114 standards are first mentioned.
4116 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
4118 PR rtl-optimization/34995
4119 * reload.c (alternative_allows_const_pool_ref): Take an rtx
4120 parameter and return a bool. If the rtx parameter is nonnull,
4121 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4122 (find_reloads): Update call accordingly. Pass the new operand
4123 if it needed no address reloads, otherwise pass null.
4125 2008-01-30 Richard Henderson <rth@redhat.com>
4128 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4129 for unbounded arrays.
4131 2008-01-30 Silvius Rus <rus@google.com>
4133 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4135 2008-01-30 Jan Hubicka <jh@suse.cz>
4138 * i386.c (init_cumulative_args): Use real function declaration when
4141 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
4143 PR rtl-optimization/34998
4144 * global.c (build_insn_chain): Treat non-subreg_lowpart
4145 SUBREGs of pseudos as clobbering all the words covered by the
4146 SUBREG, not just all the bytes.
4147 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
4148 original df_ref rather than an extract parameter.
4149 (global_conflicts): Update call accordingly.
4151 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
4153 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4154 the overflow check to make it easier to read.
4155 (__fixtfdi): Change the type of the ll member in union
4156 long_double to UDItype_x.
4158 2008-01-30 Jakub Jelinek <jakub@redhat.com>
4161 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4162 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4163 * tree-inline.c (fold_marked_statements): Call
4164 cgraph_update_edges_for_call_stmt if folding a call statement.
4165 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4166 debug_generic_stmt calls, reset it back afterwards.
4169 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4171 * c-typeck.c (build_external_ref): Don't pedwarn about
4172 static vars in current function's scope.
4174 2008-01-29 Joseph Myers <joseph@codesourcery.com>
4176 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4178 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
4181 * ipa-struct-reorg.c: Fix spelling.
4182 * params.def: Ditto.
4184 2008-01-29 Richard Guenther <rguenther@suse.de>
4187 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4189 * tree-inline.c (remap_type): Increment remapping_type_depth
4190 around remapping types.
4191 (copy_body_r): Only add referenced variables if they are referenced
4192 from code, not types.
4194 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
4205 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4206 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4208 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
4211 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
4212 pointer for tiny stack.
4214 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
4216 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4218 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
4220 * config/vx-common.h: Fix typo in comment.
4222 2008-01-28 Ian Lance Taylor <iant@google.com>
4226 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4227 coalesce pointers if they have different DECL_NO_TBAA_P values.
4228 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4229 between variables with different DECL_NO_TBAA_P values.
4231 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
4234 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4235 are not legitimate small data references on SPE targets.
4237 2008-01-28 David Daney <ddaney@avtrex.com>
4239 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4241 2008-01-28 David Daney <ddaney@avtrex.com>
4243 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
4245 2008-01-27 Joseph Myers <joseph@codesourcery.com>
4247 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4248 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4249 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4250 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4251 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4252 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4253 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4254 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4256 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4258 * basic-block.h (condjump_equiv_p): Fix comment.
4260 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4262 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4263 print_generic_stmt_indented): Fix comment.
4265 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4267 * configure.ac (__stack_chk_fail): Add detecion for availability
4268 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4269 * configure: Regenerate.
4271 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
4274 * final.c (output_addr_const): Handle TRUNCATE.
4276 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
4279 * tree-ssa-loop-ivopts.c (comp_cost): New type.
4280 (zero_cost, infinite_cost): New constants.
4281 (struct cost_pair): Change type of cost to comp_cost.
4282 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4283 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4285 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4286 split_address_cost, ptr_difference_cost, difference_cost,
4287 get_computation_cost_at, get_computation_cost,
4288 determine_use_iv_cost_generic, determine_use_iv_cost_address,
4289 determine_use_iv_cost_condition, determine_use_iv_costs,
4290 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4291 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4292 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4293 Change type of cost to comp_cost.
4294 (determine_iv_cost): Increase cost of non-original ivs, instead
4295 of decreasing the cost of original ones.
4296 (get_address_cost): Indicate the complexity of the addressing mode
4298 (try_add_cand_for): Prefer using ivs not specific to some object.
4299 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4301 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
4302 Janis Johnson <janis187@us.ibm.com>
4305 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4306 (TARGET_INSTANTIATE_DECLS): Likewise.
4307 * target.h (expand_to_rtl_hook): New target hook.
4308 (instantiate_decls): Likewise.
4309 * function.c (instantiate_decl): Make non-static. Rename to...
4310 (instantiate_decl_rtl): ... this.
4311 (instantiate_expr): Use instantiate_decl_rtl.
4312 (instantiate_decls_1): Likewise.
4313 (instantiate_decls): Likewise.
4314 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4315 * function.h (instantiate_decl_rtl): Add prototype.
4316 * cfgexpand.c (target.h): New include.
4317 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4318 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4319 (TARGET_INSTANTIATE_DECLS): Likewise.
4320 (TARGET_INITIALIZER): New target hooks added.
4321 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4323 * config/rs6000/rs6000.c (tree-flow.h): New include.
4324 (machine_function): Add sdmode_stack_slot field.
4325 (rs6000_alloc_sdmode_stack_slot): New function.
4326 (rs6000_instantiate_decls): Likewise.
4327 (rs6000_secondary_memory_needed_rtx): Likewise.
4328 (rs6000_check_sdmode): Likewise.
4329 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4330 (TARGET_INSTANTIATE_DECLS): Likewise.
4331 (rs6000_hard_regno_mode_ok): Allow SDmode.
4332 (num_insns_constant): Likewise. Handle _Decimal32 constants.
4333 (rs6000_emit_move): Handle SDmode.
4334 (function_arg_advance): Likewise.
4335 (function_arg): Likewise.
4336 (rs6000_gimplify_va_arg): Likewise. Add special handling of
4337 SDmode var args for 32-bit compiles.
4338 (rs6000_secondary_reload_class): Handle SDmode.
4339 (rs6000_output_function_epilogue): Likewise.
4340 (rs6000_function_value): Simplify if statement.
4341 (rs6000_libcall_value): Likewise.
4342 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4343 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4344 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4345 (movsd_hardfloat): New define_insn.
4346 (movsd_softfloat): Likewise.
4347 (movsd_store): Likewise.
4348 (movsd_load): Likewise.
4349 (extendsddd2): Likewise.
4350 (extendsdtd2): Likewise.
4351 (truncddsd2): Likewise.
4352 (movdd_hardfloat64): Fixup comment.
4353 (UNSPEC_MOVSD_LOAD): New constant.
4354 (UNSPEC_MOVSD_STORE): Likewise.
4356 2008-01-26 Jakub Jelinek <jakub@redhat.com>
4359 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4361 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4362 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4363 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4366 2008-01-26 David Edelsohn <edelsohn@gnu.org>
4369 * config.gcc: Separate AIX 5.3 from AIX 6.1.
4370 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4371 __LONGDOUBLE128 too.
4372 * config/rs6000/aix61.h: New file.
4374 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
4376 PR rtl-optimization/34959
4377 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4378 popcount and parity rtxes the same mode as their operand.
4379 Truncate or extend the result to the return value's mode
4382 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
4385 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4386 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4387 to GOT_VERSION_REGNUM.
4388 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4389 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4390 * config/mips/mips.c (mips_emit_call_insn): New function.
4391 (mips_call_tls_get_addr): Call mips_expand_call directly.
4392 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4394 (mips16_build_call_stub): Likewise. Return the call insn or null.
4395 (mips_expand_call): Update the call to mips16_build_call_stub
4396 accordingly and a remove redundant condition. Assert that MIPS16
4397 stubs do not use lazy binding. Use mips_emit_call_insn and return
4399 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4401 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4402 (mips_avoid_hazard): Remove hazard_set handling.
4403 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4404 (UNSPEC_RESTORE_GP): ...this.
4405 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4406 (FAKE_CALL_REGNO): Rename to...
4407 (GOT_VERSION_REGNUM): ...this.
4408 (type): Add "ghost" value. Add an associated insn reservation.
4409 (hazard_set): Remove.
4410 (exception_receiver): Rename to...
4411 (restore_gp): ...this and update the unspec identifier accordingly.
4412 (exception_receiver, nonlocal_got_receiver): New expanders.
4413 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
4414 FAKE_CALL_REGNO. Remove hazard_set attribute.
4415 (set_got_version, update_got_version): New patterns.
4417 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
4420 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4422 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4425 * doc/install.texi2html: Generate gcc-vers.texi.
4427 2008-01-25 DJ Delorie <dj@redhat.com>
4429 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4431 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4433 * config/c4x: Remove directory.
4434 * config.gcc (crx-*, mt-*): Mark obsolete.
4435 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4436 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4437 sh-*-rtemscoff*): Remove cases.
4438 * defaults.h (C4X_FLOAT_FORMAT): Remove.
4439 * real.c (encode_c4x_single, decode_c4x_single,
4440 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4441 c4x_extended_format): Remove.
4442 * real.h (c4x_single_format, c4x_extended_format): Remove.
4443 * doc/extend.texi (interrupt, naked): Remove mention of attributes
4445 (Pragmas): Remove comment about c4x pragmas.
4446 * doc/install.texi (c4x): Remove target-specific instructions.
4447 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4448 * doc/md.texi (Machine Constraints): Remove C4x documentation.
4449 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4450 refer to C4x source files as examples.
4451 (C4X_FLOAT_FORMAT): Remove documentation.
4453 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
4455 * config/bfin/bfin.c (override_options): Reorder tests so that
4456 flag_pic gets enabled for -msep-data.
4458 2008-01-25 Richard Guenther <rguenther@suse.de>
4461 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4462 to its bitfield precision if required.
4464 2008-01-25 Jakub Jelinek <jakub@redhat.com>
4467 * tree-nested.c (walk_omp_for): New function.
4468 (convert_nonlocal_reference, convert_local_reference): Call
4469 walk_omp_for on OMP_FOR.
4470 (convert_call_expr): Call walk_body on OMP_FOR's
4471 OMP_FOR_PRE_INIT_BODY.
4473 2008-01-25 Richard Guenther <rguenther@suse.de>
4475 PR tree-optimization/34966
4476 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4477 default defs and PHI_NODEs we have to insert after the
4480 2008-01-24 Nick Clifton <nickc@redhat.com>
4482 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4483 Provide a default definition.
4484 (LIBGCC2_UNITS_PER_WORD): Likewise.
4486 * config/stormy16/stormy16.c: Include df.h for the prototype
4487 for df_regs_ever_live_p.
4488 (xstormy16_expand_builtin_va_start): Convert the stack offset
4489 into a component_ref and then use POINTER_PLUS_EXPR to add it
4490 to the incoming_virtual_args_rtx.
4491 (xstormy16_gimplify_va_arg_expr): Rename to
4492 xstormy16_gimplify_va_arg_expr.
4493 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4494 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4495 xstormy16_gimplify_va_arg_expr.
4496 Fix up some formatting issues.
4498 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4499 Move to predicates.md.
4500 (xs_hi_general_operand): Likewise.
4501 (xs_hi_nonmemory_operand): Likewise.
4502 * config/stormy16/predicates.md:
4503 (xstormy16_carry_plus_operand): New predicate.
4504 (xs_hi_general_operand): New predicate.
4505 (xs_hi_nonmemory_operand): New predicate.
4506 * config/stormy16/stormy16-protos.h:
4507 (xstormy16_carry_plus_operand): Delete prototype.
4508 (xs_hi_general_operand): Likewise.
4509 (xs_hi_nonmemory_operand): Likewise.
4511 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4512 modifiers as they are no longer needed and they can trigger
4513 reload spill failures.
4515 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4516 with a match_operand in order to help reload.
4518 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4519 constraint with 'e' for the 8th alternative as this version of
4520 the mov.w instruction only accepts the lower 8 registers.
4522 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
4525 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4526 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4529 2008-01-25 Jakub Jelinek <jakub@redhat.com>
4532 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4534 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
4536 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4538 (remove_structure): Update allocations list before removing structure.
4540 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
4542 * ipa-struct-reorg.c (is_safe_cond_expr,
4543 create_new_stmts_for_cond_expr): Use integer_zerop function,
4544 that recognize not only zero-pointer, but zero-integer too.
4546 2008-01-25 Ben Elliston <bje@au.ibm.com>
4549 * fixproto: Escape "." in sed expression that strips leading "./".
4551 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
4554 * gcc.c (SWITCH_OK): Removed.
4555 (SWITCH_LIVE): Changed to bit.
4556 (SWITCH_FALSE): Likewise.
4557 (SWITCH_IGNORE): Likewise.
4558 (switchstr): Change live_cond to unsigned int.
4559 (process_command): Replace SWITCH_OK with 0.
4560 (do_self_spec): Likewise.
4561 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4562 (give_switch): Likewise.
4563 (used_arg): Likewise.
4564 (do_spec_1): Set the SWITCH_IGNORE bit.
4565 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4566 bits. Set the SWITCH_LIVE bit.
4568 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
4570 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4572 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
4574 PR tree-optimization/34472
4575 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4576 parameter to a "bool *" and set *DATA to false if there is
4577 an unsafe access. Do not delete the structure here.
4578 (check_cond_exprs): Delete it here instead.
4579 (check_cond_exprs, exclude_cold_structs): Do not increase
4580 I when removing a structure.
4582 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
4585 * config/i386/i386.c (ix86_expand_vector_init): Consider only
4586 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4588 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
4591 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4592 a fixed vector for stack.
4594 2008-01-24 Ben Elliston <bje@au.ibm.com>
4597 * doc/gcc.texi (Software development): Add a direntry for g++.
4599 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
4601 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4602 stale and straggling -fforce-addr comments above.
4604 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4606 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4607 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4609 2008-01-23 Michael Matz <matz@suse.de>
4612 * dwarf2out.c (force_type_die): Use modified_type_die instead of
4615 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
4617 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4620 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4622 * config/avr/avr.c (avr_current_arch): New variable.
4623 (avr_arch_types): Add 'avr31' and 'avr51' entries.
4624 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4625 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4626 (avr_override_options): Init 'avr_current_arch'.
4627 (base_arch_s): Move from here...
4628 * config/avr/avr.h (base_arch_s): ... here. Add new members
4629 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
4630 'mega' to 'have_jmp_call'.
4631 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
4632 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
4634 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
4636 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
4637 MULTILIB_MATCHES): (Ditto.).
4639 2008-01-23 Richard Guenther <rguenther@suse.de>
4642 * cgraphunit.c (cgraph_reset_node): Always mark the node
4643 not reachable if it is not queued already.
4645 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
4647 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4648 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4649 (cputype_selected): New static variable.
4650 (bfin_handle_option): Set it if -mcpu is used.
4651 (override_option): Select default set of workarounds if no cpu type
4652 selected on the command line.
4653 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4655 From Michael Frysinger <michael.frysinger@analog.com>
4656 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4657 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4659 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4660 for bf547, bf523, bf524, and bf526.
4661 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
4663 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4664 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4665 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4666 __ADSPBF547__ and __ADSPBF54x__ for bf547.
4667 * doc/invoke.texi (Blackfin Options): Document that
4668 -mcpu now accept bf547, bf523, bf524, and bf526.
4670 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
4672 PR rtl-optimization/34628
4673 * combine.c (try_combine): Stop and undo after the first combination
4674 if an autoincrement side-effect on the first insn has effectively
4677 2008-01-22 David Edelsohn <edelsohn@gnu.org>
4680 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4681 Offset addresses are not valid for Altivec or paired float modes.
4683 2008-01-22 Jakub Jelinek <jakub@redhat.com>
4686 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4687 if DECL_INITIAL (decl) is error_mark_node.
4690 * c-common.c (handle_vector_size_attribute): Only allow
4691 integral, scalar float and fixed point types. Handle OFFSET_TYPE
4692 the same way as pointer, array etc. types.
4693 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4696 * tree.c (build_type_attribute_qual_variant): Call
4697 build_qualified_type if attributes are equal, but quals are not.
4699 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4702 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4703 * flags.h (warn_strict_aliasing): Remove.
4704 (warn_strict_overflow): Remove.
4705 * opts.c (warn_strict_aliasing): Remove.
4706 (warn_strict_overflow): Remove.
4707 * c-opts.c (c_common_handle_option): -Wall only sets
4708 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4709 (c_common_post_options): Give default values to -Wstrict-aliasing
4710 and -Wstrict-overflow if they are uninitialized.
4711 * common.opt (Wstrict-aliasing): Specify Var and Init.
4712 (Wstrict-overflow): Likewise.
4714 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4716 PR rtl-optimization/26854
4717 PR rtl-optimization/34400
4718 PR rtl-optimization/34884
4719 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4721 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4722 (df_rd_bb_info.expanded_lr_out): Deleted
4723 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4724 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
4725 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4726 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4727 Removed code to allocate, initialize or free expanded_lr_out.
4728 (df_rd_bb_local_compute_process_def): Restructured to make more
4730 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4731 sets if the sets are being trimmed.
4733 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
4736 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4737 (as_vers): Likewise.
4738 * configure: Regenerated.
4740 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4743 * tree-pass.h (pass_build_alias): New pass.
4744 * tree-ssa-alias.c (gate_build_alias): New.
4745 (pass_build_alias): New.
4746 * passes.c (init_optimization_passes): Add pass_build_alias after
4747 pass_create_structure_vars.
4749 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
4751 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4752 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4753 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4754 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4755 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4756 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4757 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4758 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4759 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4760 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4761 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4762 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4763 * config/s390/s390.md (FP_ALL): New mode iterator.
4764 (_d): New mode attribute.
4765 ("*signbit<mode>2>"): Changed mode of first operand.
4766 ("isinf<mode>2"): Changed mode of first operand.
4767 ("*TDC_insn"): Adaptation for DFP modes.
4769 2008-01-22 Ben Elliston <bje@au.ibm.com>
4771 * tree.c (check_qualified_type): Improve function description.
4773 2008-01-21 Jason Merrill <jason@redhat.com>
4776 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4777 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4780 2008-01-21 DJ Delorie <dj@redhat.com>
4782 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4785 2008-01-21 Richard Guenther <rguenther@suse.de>
4788 * tree-cfg.c (verify_expr): Allow all invariant expressions
4789 instead of just constant class ones as reference argument.
4790 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4791 like any other constant.
4792 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4794 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
4796 * regmove.c (fixup_match_1): Update call crossed frequencies.
4798 2008-01-21 Richard Guenther <rguenther@suse.de>
4801 * tree-inline.c (setup_one_parameter): Deal with mismatched
4802 types using a VIEW_CONVERT_EXPR.
4804 2008-01-21 Alon Dayan <alond@il.ibm.com>
4805 Olga Golovanevsky <olga@il.ibm.com>
4807 PR tree-optimization/34701
4808 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4809 when the structure size is not a power of 2.
4811 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
4813 * doc/install.texi: Add doc for --enable-checking=df.
4815 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
4817 PR rtl-optimization/34808
4818 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4820 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4822 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4825 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4827 PR rtl-optimization/26854
4828 PR rtl-optimization/34400
4829 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4831 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4832 (df_rd_bb_info.expanded_lr_out): New.
4833 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4834 * loop_iv.c (iv_analysis_loop_init): Ditto.
4835 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4836 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4837 Added code to allocate, initialize or free expanded_lr_out.
4838 (df_rd_bb_local_compute_process_def): Restructured to make
4839 more understandable.
4840 (df_rd_confluence_n): Add code to do nothing with fake edges and
4841 code to no apply invalidate_by_call sets if the sets are being trimmed.
4842 (df_lr_local_finalize): Renamed to df_lr_finalize.
4843 (df_live_local_finalize): Renamed to df_live_finalize.
4845 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4848 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4849 deciding whether to use reciprocal instructions.
4851 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
4853 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4854 dwarf2out_note_section_used if cold_text_section is NULL.
4856 2008-01-19 Jakub Jelinek <jakub@redhat.com>
4858 PR gcov-profile/34610
4859 * tree-cfg.c (make_edges): Mark both outgoing edges from
4860 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4861 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4862 from OMP_FOR and OMP_CONTINUE outgoing edges.
4864 * tree-profile.c (tree_profiling): Return early if
4865 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
4867 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4868 from cfun to child_cfun.
4869 * function.h (struct function): Add after_tree_profile bit.
4871 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4873 * config/avr/avr.S (_exit): Disable interrupt.
4875 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
4876 Steven Bosscher <stevenb.gcc@gmail.com>
4878 PR rtl-optimization/26854
4879 PR rtl-optimization/34400
4880 * df-problems.c (df_live_scratch): New scratch bitmap.
4881 (df_live_alloc): Allocate df_live_scratch when doing df_live.
4882 (df_live_reset): Clear the proper bitmaps.
4883 (df_live_bb_local_compute): Only process the artificial defs once
4884 since the order is not important.
4885 (df_live_init): Init the df_live sets only with the variables
4886 found live by df_lr.
4887 (df_live_transfer_function): Use the df_lr sets to prune the
4888 df_live sets as they are being computed.
4889 (df_live_free): Free df_live_scratch.
4891 2008-01-18 Ian Lance Taylor <iant@google.com>
4893 * common.opt: Add fmerge-debug-strings.
4894 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4895 flag_merge_debug_strings rather than flag_merge_constants.
4896 * doc/invoke.texi (Option Summary): Mention
4897 -fmerge-debug-strings.
4898 (Debugging Options): Document -fmerge-debug-strings.
4900 2008-01-18 Ian Lance Taylor <iant@google.com>
4903 * tree.h (DECL_IS_OPERATOR_NEW): Define.
4904 (struct tree_function_decl): Add new field operator_new_flag.
4905 * tree-inline.c (expand_call_inline): When inlining a call to
4906 operator new, force the return value to go into a variable, and
4907 set DECL_NO_TBAA_P on that variable.
4908 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4910 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
4913 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4914 DWARF2_DEBUGGING_INFO.
4915 (dwarf2out_note_section_used): Ditto. Add prototype.
4916 (have_multiple_function_sections, text_section_used,
4917 cold_text_section_used, *cold_text_sections): Move declarations
4920 2008-01-17 Bob Wilson <bob.wilson@acm.org>
4922 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4923 field and add signal_ra.
4924 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4925 assignments to frame state pc. Move end of stack check after
4926 MD_FALLBACK_FRAME_STATE_FOR.
4927 (uw_update_context_1): Use frame state signal_regs if set, instead
4928 of checking signal_frame flag.
4929 (uw_update_context): Use frame state signal_ra if set.
4930 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4931 * config/xtensa/linux-unwind.h: New file.
4933 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
4935 * modulo-sched.c (get_sched_window): Fix comment typo.
4937 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
4939 PR tree-optimization/34648
4940 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4942 2008-01-17 Anatoly Sokolov <aesok@post.ru>
4944 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4945 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4947 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
4949 PR rtl-optimization/34400
4950 * df-core.c (df_worklist_dataflow_overeager,
4951 df_worklist_dataflow_doublequeue): New functions.
4952 (df_worklist_dataflow): Two different worklist solvers.
4953 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4956 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4959 * doc/invoke.texi: Document the dependence on pthread for fopenmp
4960 and ftree-parallelize-loops.
4962 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
4964 PR rtl-optimization/34826
4965 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4967 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
4969 * global.c (find_reg): Mark the eh regs as used if necessary.
4970 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4971 * ra.h (struct allocno): no_eh_reg field added. Changed
4972 no_stack_reg type to bitfield.
4974 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
4976 * tree.c (substitute_in_expr): Add missing 'break'.
4978 2008-01-17 Richard Guenther <rguenther@suse.de>
4980 PR tree-optimization/34825
4981 * tree-ssa-math-opts.c (is_division_by): Do not recognize
4982 x / x as division to handle.
4984 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4986 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4987 "-pthread" is specified.
4988 * pa-hpux11.h (LIB_SPEC): Likewise.
4990 2008-01-16 Janis Johnson <janis187@us.ibm.com>
4991 Peter Bergner <bergner@vnet.ibm.com>
4993 PR rtl-optimization/33796
4994 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4996 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4998 PR libgfortran/34699
4999 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5001 * pa-hpux10.h (LINK_SPEC): Likewise.
5002 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5004 2008-01-16 Richard Guenther <rguenther@suse.de>
5007 * fold-const.c (fold_convert_const_int_from_int): Do not
5008 set overflow if that occured only because of a sign extension
5009 change when converting from/to a sizetype with the same
5010 precision and signedness.
5012 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
5015 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
5016 location address to the correct place. Update copyright year.
5018 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5020 * lambda-code.c (lambda_transform_legal_p): Handle the case of
5021 no dependences in the dependence_relations vector.
5023 2008-01-16 Jan Hubicka <jh@suse.cz>
5025 PR rtl-optimization/31396
5026 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
5027 * cfg.c (dump_reg_info): Print it.
5028 * regs.h (struct reg_info_t): add freq_calls_crossed.
5029 (REG_FREQ_CALLS_CROSSED): New macro.
5030 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
5031 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
5032 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5033 regmove_optimize): Update call crossed frequencies.
5034 * local-alloc.c (struct qty): Add freq_calls_crossed.
5035 (alloc_qty): Copute freq_calls_crossed.
5036 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
5037 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
5038 * ra.h (struct allocno): Add freq_calls_crossed.
5040 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5042 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
5043 libgomp when compiling with ftree-parallelize-loops.
5044 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
5046 2008-01-16 Richard Guenther <rguenther@suse.de>
5048 PR tree-optimization/34769
5049 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
5050 * tree.c (int_cst_value): Instead make this function more
5051 permissive in what it accepts as valid input. Document this
5052 function always sign-extends the value.
5054 2008-01-16 Jakub Jelinek <jakub@redhat.com>
5055 Richard Guenther <rguenther@suse.de>
5058 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
5059 (gimple_fold_indirect_ref_rhs): ... this.
5060 (gimple_fold_indirect_ref): New function with foldings
5061 that preserve lvalueness.
5062 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
5063 * tree-flow.h (gimple_fold_indirect_ref): Declare.
5064 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
5065 to fold an INDIRECT_REF, fall back to the old use of
5066 fold_indirect_ref_1.
5068 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5070 * tree-data-ref.c (subscript_dependence_tester_1): Call
5071 free_conflict_function.
5072 (compute_self_dependence): Same.
5074 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
5077 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
5078 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
5080 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5081 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5082 for DWARF2_UNWIND_INFO targets.
5084 2008-01-16 Richard Guenther <rguenther@suse.de>
5087 * c-typeck.c (common_pointer_type): Do not merge inconsistent
5088 type qualifiers for function types.
5090 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
5092 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5093 loop_iterator li from previous commit.
5095 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
5097 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5099 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
5101 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5102 (parallelize_loops): Don't parallelize irreducible components.
5104 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5107 * c-opts (c_common_post_options): Do not enable CPP
5108 flag_pedantic_errors by default.
5110 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
5112 PR rtl-optimization/31944
5113 * cse.c (remove_pseudo_from_table): New function.
5114 (merge_equiv_classes): Use above function to remove pseudo-registers.
5115 (invalidate): Likewise.
5117 2008-01-13 Richard Guenther <rguenther@suse.de>
5120 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5121 instead of TYPE_MODE to deal with calls from expand_one_error_var.
5123 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
5125 * gcse.c (cprop_jump): Call validate_unshare_change instead of
5126 validate_change to unshare the source of the PC set.
5128 2008-01-12 Jan Hubicka <jh@suse.cz>
5131 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5132 references above array bounds. This might trigger bounds checks for
5135 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
5137 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5138 new_replaceable_dependencies.
5140 2008-01-12 Doug Kwan <dougkwan@google.com>
5142 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5143 instead of OPT_Wreturn_type in warning due to ignored return type
5145 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5146 options included in -Wextra.
5147 * c.opt: New option -Wignored_qualifiers.
5148 * doc/invoke.texi (Warning Options, -Wextra): Add new option
5149 -Wignore_qualifiers.
5150 (-Wignored-qualifiers): Document.
5151 (-Wreturn-type): Remove description of functionality now handled
5152 by -Wignored-qualifiers.
5154 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
5157 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5158 NOP_EXPR if it is between integral types with the same precision.
5160 2008-01-12 Jan Hubicka <jh@suse.cz>
5163 * invoke.texi (max-inline-recursive-depth): Fix default value.
5165 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
5167 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5170 2008-01-11 Bob Wilson <bob.wilson@acm.org>
5172 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5174 2008-01-11 James E. Wilson <wilson@specifix.com>
5177 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5179 2008-01-11 Anatoly Sokolov <aesok@post.ru>
5181 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
5182 save/restore frame pointer register and don't use 'call-prologues'
5183 optimization in function with "OS_task" attribute.
5185 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
5188 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5189 when copying to memory.
5191 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
5193 PR rtl-optimization/30905
5194 * cfgcleanup.c: Include dce.h
5195 (crossjumps_occured): New global variable.
5196 (try_crossjump_bb): Exit loop after finding a fallthru edge.
5197 If something changed, set crossjumps_occured to true.
5198 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5199 Don't add/remove fake edges to exit here...
5200 (cleanup_cfg): ...but do it here, when crossjumping.
5201 Run a fast DCE when successful crossjumps occured in the latest
5202 iteration of try_optimize_cfg.
5204 2008-01-11 Richard Guenther <rguenther@suse.de>
5206 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5207 (struct vn_unary_op_s): Likewise.
5208 (vn_reference_insert): Free old reference on hash collision.
5210 2008-01-10 Raksit Ashok <raksit@google.com>
5212 PR rtl-optimization/27971
5213 * combine.c (find_split_point): Split PLUS expressions which are
5214 inside a MEM rtx, and whose first operand is complex.
5216 2008-01-10 DJ Delorie <dj@redhat.com>
5218 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5219 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5220 (m32c_hard_regno_ok): Call the underlying function.
5222 2008-01-10 Richard Guenther <rguenther@suse.de>
5225 * tree-cfg.c (tree_merge_blocks): Do not go through the
5226 full-blown folding and stmt updating path if we just deal
5227 with virtual operands.
5228 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5229 test for abnormal SSA_NAMEs.
5231 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
5234 * reload.c (push_reload): Add assertions. All constants from
5235 reg_equiv_constant should have been used for replacing the respective
5237 (find_reloads_address): Invoke find_reloads_address_part for
5238 constant taken from the reg_equiv_constant array.
5240 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
5242 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5243 field (valnum) the first in the struct. Replace bools with
5246 2008-01-10 Richard Guenther <rguenther@suse.de>
5248 PR tree-optimization/34651
5249 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
5250 types and ordering for masking and converting.
5252 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
5254 PR tree-optimization/34017
5255 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5256 also for PHI_NODE expressions.
5258 2008-01-09 Jan Hubicka <jh@suse.cz>
5260 PR tree-optimization/34708
5261 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5262 based on number of case labels.
5263 (init_inline_once): Remove switch_cost.
5264 * tree-inline.h (eni_weights_d): Remove switch_cost.
5266 2008-01-09 Richard Guenther <rguenther@suse.de>
5267 Andrew Pinski <andrew_pinski@playstation.sony.com>
5270 * gimplify.c (gimplify_cond_expr): Do not create an addressable
5271 temporary if an rvalue is ok or an lvalue is not required.
5273 2008-01-09 Richard Guenther <rguenther@suse.de>
5276 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5279 2008-01-09 Richard Guenther <rguenther@suse.de>
5282 * tree.c (host_integerp): Check for sizetype only if the
5283 type is an integer type.
5285 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
5288 * opts.c (decode_options): Disable inlining of functions called
5289 once if not in unit-at-a-time mode.
5291 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
5293 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5295 2008-01-08 Richard Guenther <rguenther@suse.de>
5298 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5299 out early if the result will be unused.
5301 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
5306 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5307 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5310 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
5312 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5313 for vectorization tuned.
5315 2008-01-08 Richard Guenther <rguenther@suse.de>
5317 PR tree-optimization/34683
5318 * tree-ssa-operands.c (operand_build_cmp): Export.
5319 * tree-ssa-operands.h (operand_build_cmp): Declare.
5320 * tree-vn.c (vuses_compare): Remove.
5321 (sort_vuses): Use operand_build_cmp.
5322 (sort_vuses_heap): Likewise.
5323 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5324 to re-use old VEC if available. Do not sort already sorted VUSEs.
5325 (vdefs_to_vec): Do not sort already sorted VDEFs.
5327 2008-01-08 Jakub Jelinek <jakub@redhat.com>
5330 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5332 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
5335 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5336 limitations of reciprocal sequences on x86 targets.
5338 2008-01-08 Richard Guenther <rguenther@suse.de>
5340 PR tree-optimization/34683
5341 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5343 2008-01-07 Jakub Jelinek <jakub@redhat.com>
5346 * config/darwin.c (darwin_mergeable_string_section): Don't use
5347 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5349 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
5352 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5353 negxf2. Macroize expander using X87MODEF mode iterator. Change
5354 predicates of op0 and op1 to register_operand.
5355 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
5356 expander using X87MODEF mode iterator. Change predicates of
5357 op0 and op1 to register_operand.
5358 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5359 corresponding patterns and macroize using MODEF macro. Change
5360 predicates of op0 and op1 to register_operand and remove
5361 "m" constraint. Disparage "r" alternative with "!".
5362 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5363 macroize using X87MODEF macro. Change predicates of op0 and op1
5364 to register_operand and remove "m" constraint. Disparage "r"
5365 alternative with "!".
5366 (absneg splitter with memory operands): Remove.
5367 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5368 patterns and macroize using X87MODEF mode iterator.
5369 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5370 Change predicate of op1 to register_operand.
5371 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5372 for memory operands.
5374 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
5376 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5378 2008-01-07 Richard Guenther <rguenther@suse.de>
5380 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5383 2008-01-07 Richard Guenther <rguenther@suse.de>
5385 PR tree-optimization/34683
5386 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5387 VOPs of the needed size to save memory. Use VEC_quick_push
5388 to save compile-time.
5389 (vdefs_to_vec): Likewise.
5391 2008-01-07 Sa Liu <saliu@de.ibm.com>
5393 * config/spu/spu.md (divdf3): Genetate inline code for double
5394 division. The implementation doesn't handle INF or NAN, therefore it
5395 only applies when -ffinite-math-only is given.
5397 2008-01-06 Paolo Carlini <pcarlini@suse.de>
5400 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5401 * doc/cpp.texi ([Common Predefined Macros]): Document.
5403 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
5405 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5406 order to use commutative addition instead of subtraction.
5408 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5409 Mircea Namolaru <namolaru@il.ibm.com>
5410 Vladimir Yanovsky <yanov@il.ibm.com>
5411 Revital Eres <eres@il.ibm.com>
5413 PR tree-optimization/34263
5414 * tree-outof-ssa.c (process_single_block_loop_latch,
5415 contains_tree_r): New functions.
5416 (analyze_edges_for_bb): Call process_single_block_loop_latch
5417 function to empty single-basic-block latch block if possible.
5419 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5421 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5423 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5425 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
5427 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5429 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
5431 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5433 2008-01-05 Jakub Jelinek <jakub@redhat.com>
5435 PR tree-optimization/34618
5436 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5439 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5442 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5443 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
5444 Update copyright year.
5446 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5447 Update copyright year.
5448 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5451 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
5453 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5454 edge does not point to current bb before changing need_assert.
5456 2008-01-04 Richard Guenther <rguenther@suse.de>
5459 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5460 for verifying purposes if they are is_gimple_min_invariant.
5462 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
5464 PR tree-optimization/34448
5465 PR tree-optimization/34465
5466 * gimplify.c (gimplify_init_constructor): Add new parameter
5467 notify_temp_creation. Use it.
5468 (gimplify_modify_expr_rhs): Take volatiles into account when
5469 optimizing constructors.
5470 Do not optimize constructors if gimplify_init_constructor will dump to
5472 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5473 * gcc.c-torture/compile/pr34448.c: New.
5475 2008-01-04 Jakub Jelinek <jakub@redhat.com>
5477 PR gcov-profile/34609
5478 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5479 return_slot if result is TREE_ADDRESSABLE.
5481 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
5483 * config/mips/mips.md (sqrt_condition): Tweak comment.
5484 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
5486 2008-01-03 Tom Tromey <tromey@redhat.com>
5489 * c-common.c (c_type_hash): Handle VLAs.
5491 2008-01-03 Jan Hubicka <jh@suse.cz>
5493 PR tree-optimization/31081
5494 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5495 0 when inlining and not inlining to first basic block.
5496 (remap_decl): When var is initialized to 0, don't set default_def.
5497 (expand_call_inline): Set entry_bb.
5498 * tree-inline.h (copy_body_data): Add entry_bb.
5500 2008-01-03 Jakub Jelinek <jakub@redhat.com>
5503 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5506 PR tree-optimization/29484
5507 * tree-inline.c (inline_forbidden_p_2): New function.
5508 (inline_forbidden_p): Disallow inlining if some static var
5509 has an address of a local LABEL_DECL in its initializer.
5510 * doc/extend.texi (Labels as Values): Document &&foo behaviour
5513 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
5515 PR tree-optimization/34635
5516 * tree-data-ref.c (add_other_self_distances): Make sure that the
5517 evolution step is constant.
5519 2008-01-03 Jakub Jelinek <jakub@redhat.com>
5522 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5524 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
5526 * tree-sra.c (scalarize_init): Insert the generate_element_init
5527 statements after the generate_element_zero statements.
5529 2008-01-02 Richard Guenther <rguenther@suse.de>
5533 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5534 for very large number of operands instead of ICEing.
5536 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
5539 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5540 while stack probing.
5542 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
5544 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5547 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
5550 * tree-mudflap.c (mx_register_decls): Guard warning by
5551 !DECL_ARTIFICIAL check.
5553 2008-01-01 Jakub Jelinek <jakub@redhat.com>
5555 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5556 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5557 sse5_perm<mode>): Fix constraints.
OSDN Git Service
